diff --git a/src/python/of11/__init__.py b/src/python/of11/__init__.py
deleted file mode 100644
index c4407ee..0000000
--- a/src/python/of11/__init__.py
+++ /dev/null
@@ -1,8 +0,0 @@
-"""
-Python OpenFlow 1.0 library
-
-Most of the files in this package are automatically generated by tools/munger.
-They are checked in to simplify running OFTest.
-"""
-
-__all__ = ["action_list", "action", "cstruct", "error", "message", "parse"]
diff --git a/src/python/of11/action.py b/src/python/of11/action.py
deleted file mode 100644
index 447cd17..0000000
--- a/src/python/of11/action.py
+++ /dev/null
@@ -1,550 +0,0 @@
-
-# Python OpenFlow action wrapper classes
-
-from cstruct import *
-
-
-
-class action_set_nw_src(ofp_action_nw_addr):
-    """
-    Wrapper class for set_nw_src action object
-
-    Data members inherited from ofp_action_nw_addr:
-    @arg type
-    @arg len
-    @arg nw_addr
-
-    """
-    def __init__(self):
-        ofp_action_nw_addr.__init__(self)
-        self.type = OFPAT_SET_NW_SRC
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_nw_src\n"
-        outstr += ofp_action_nw_addr.show(self, prefix)
-        return outstr
-
-
-class action_set_mpls_tc(ofp_action_mpls_tc):
-    """
-    Wrapper class for set_mpls_tc action object
-
-    Data members inherited from ofp_action_mpls_tc:
-    @arg type
-    @arg len
-    @arg mpls_tc
-
-    """
-    def __init__(self):
-        ofp_action_mpls_tc.__init__(self)
-        self.type = OFPAT_SET_MPLS_TC
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_mpls_tc\n"
-        outstr += ofp_action_mpls_tc.show(self, prefix)
-        return outstr
-
-
-class action_set_nw_tos(ofp_action_nw_tos):
-    """
-    Wrapper class for set_nw_tos action object
-
-    Data members inherited from ofp_action_nw_tos:
-    @arg type
-    @arg len
-    @arg nw_tos
-
-    """
-    def __init__(self):
-        ofp_action_nw_tos.__init__(self)
-        self.type = OFPAT_SET_NW_TOS
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_nw_tos\n"
-        outstr += ofp_action_nw_tos.show(self, prefix)
-        return outstr
-
-
-class action_dec_mpls_ttl(ofp_action_header):
-    """
-    Wrapper class for dec_mpls_ttl action object
-
-    Data members inherited from ofp_action_header:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_action_header.__init__(self)
-        self.type = OFPAT_DEC_MPLS_TTL
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_dec_mpls_ttl\n"
-        outstr += ofp_action_header.show(self, prefix)
-        return outstr
-
-
-class action_set_nw_dst(ofp_action_nw_addr):
-    """
-    Wrapper class for set_nw_dst action object
-
-    Data members inherited from ofp_action_nw_addr:
-    @arg type
-    @arg len
-    @arg nw_addr
-
-    """
-    def __init__(self):
-        ofp_action_nw_addr.__init__(self)
-        self.type = OFPAT_SET_NW_DST
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_nw_dst\n"
-        outstr += ofp_action_nw_addr.show(self, prefix)
-        return outstr
-
-
-class action_set_mpls_label(ofp_action_mpls_label):
-    """
-    Wrapper class for set_mpls_label action object
-
-    Data members inherited from ofp_action_mpls_label:
-    @arg type
-    @arg len
-    @arg mpls_label
-
-    """
-    def __init__(self):
-        ofp_action_mpls_label.__init__(self)
-        self.type = OFPAT_SET_MPLS_LABEL
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_mpls_label\n"
-        outstr += ofp_action_mpls_label.show(self, prefix)
-        return outstr
-
-
-class action_group(ofp_action_group):
-    """
-    Wrapper class for group action object
-
-    Data members inherited from ofp_action_group:
-    @arg type
-    @arg len
-    @arg group_id
-
-    """
-    def __init__(self):
-        ofp_action_group.__init__(self)
-        self.type = OFPAT_GROUP
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_group\n"
-        outstr += ofp_action_group.show(self, prefix)
-        return outstr
-
-
-class action_copy_ttl_out(ofp_action_header):
-    """
-    Wrapper class for copy_ttl_out action object
-
-    Data members inherited from ofp_action_header:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_action_header.__init__(self)
-        self.type = OFPAT_COPY_TTL_OUT
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_copy_ttl_out\n"
-        outstr += ofp_action_header.show(self, prefix)
-        return outstr
-
-
-class action_set_vlan_vid(ofp_action_vlan_vid):
-    """
-    Wrapper class for set_vlan_vid action object
-
-    Data members inherited from ofp_action_vlan_vid:
-    @arg type
-    @arg len
-    @arg vlan_vid
-
-    """
-    def __init__(self):
-        ofp_action_vlan_vid.__init__(self)
-        self.type = OFPAT_SET_VLAN_VID
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_vlan_vid\n"
-        outstr += ofp_action_vlan_vid.show(self, prefix)
-        return outstr
-
-
-class action_set_mpls_ttl(ofp_action_mpls_ttl):
-    """
-    Wrapper class for set_mpls_ttl action object
-
-    Data members inherited from ofp_action_mpls_ttl:
-    @arg type
-    @arg len
-    @arg mpls_ttl
-
-    """
-    def __init__(self):
-        ofp_action_mpls_ttl.__init__(self)
-        self.type = OFPAT_SET_MPLS_TTL
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_mpls_ttl\n"
-        outstr += ofp_action_mpls_ttl.show(self, prefix)
-        return outstr
-
-
-class action_pop_vlan(ofp_action_header):
-    """
-    Wrapper class for pop_vlan action object
-
-    Data members inherited from ofp_action_header:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_action_header.__init__(self)
-        self.type = OFPAT_POP_VLAN
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_pop_vlan\n"
-        outstr += ofp_action_header.show(self, prefix)
-        return outstr
-
-
-class action_set_tp_dst(ofp_action_tp_port):
-    """
-    Wrapper class for set_tp_dst action object
-
-    Data members inherited from ofp_action_tp_port:
-    @arg type
-    @arg len
-    @arg tp_port
-
-    """
-    def __init__(self):
-        ofp_action_tp_port.__init__(self)
-        self.type = OFPAT_SET_TP_DST
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_tp_dst\n"
-        outstr += ofp_action_tp_port.show(self, prefix)
-        return outstr
-
-
-class action_pop_mpls(ofp_action_pop_mpls):
-    """
-    Wrapper class for pop_mpls action object
-
-    Data members inherited from ofp_action_pop_mpls:
-    @arg type
-    @arg len
-    @arg ethertype
-
-    """
-    def __init__(self):
-        ofp_action_pop_mpls.__init__(self)
-        self.type = OFPAT_POP_MPLS
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_pop_mpls\n"
-        outstr += ofp_action_pop_mpls.show(self, prefix)
-        return outstr
-
-
-class action_push_vlan(ofp_action_push):
-    """
-    Wrapper class for push_vlan action object
-
-    Data members inherited from ofp_action_push:
-    @arg type
-    @arg len
-    @arg ethertype
-
-    """
-    def __init__(self):
-        ofp_action_push.__init__(self)
-        self.type = OFPAT_PUSH_VLAN
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_push_vlan\n"
-        outstr += ofp_action_push.show(self, prefix)
-        return outstr
-
-
-class action_set_vlan_pcp(ofp_action_vlan_pcp):
-    """
-    Wrapper class for set_vlan_pcp action object
-
-    Data members inherited from ofp_action_vlan_pcp:
-    @arg type
-    @arg len
-    @arg vlan_pcp
-
-    """
-    def __init__(self):
-        ofp_action_vlan_pcp.__init__(self)
-        self.type = OFPAT_SET_VLAN_PCP
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_vlan_pcp\n"
-        outstr += ofp_action_vlan_pcp.show(self, prefix)
-        return outstr
-
-
-class action_set_tp_src(ofp_action_tp_port):
-    """
-    Wrapper class for set_tp_src action object
-
-    Data members inherited from ofp_action_tp_port:
-    @arg type
-    @arg len
-    @arg tp_port
-
-    """
-    def __init__(self):
-        ofp_action_tp_port.__init__(self)
-        self.type = OFPAT_SET_TP_SRC
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_tp_src\n"
-        outstr += ofp_action_tp_port.show(self, prefix)
-        return outstr
-
-
-class action_experimenter(ofp_action_experimenter_header):
-    """
-    Wrapper class for experimenter action object
-
-    Data members inherited from ofp_action_experimenter_header:
-    @arg type
-    @arg len
-    @arg experimenter
-
-    """
-    def __init__(self):
-        ofp_action_experimenter_header.__init__(self)
-        self.type = OFPAT_EXPERIMENTER
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_experimenter\n"
-        outstr += ofp_action_experimenter_header.show(self, prefix)
-        return outstr
-
-
-class action_set_nw_ttl(ofp_action_nw_ttl):
-    """
-    Wrapper class for set_nw_ttl action object
-
-    Data members inherited from ofp_action_nw_ttl:
-    @arg type
-    @arg len
-    @arg nw_ttl
-
-    """
-    def __init__(self):
-        ofp_action_nw_ttl.__init__(self)
-        self.type = OFPAT_SET_NW_TTL
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_nw_ttl\n"
-        outstr += ofp_action_nw_ttl.show(self, prefix)
-        return outstr
-
-
-class action_copy_ttl_in(ofp_action_header):
-    """
-    Wrapper class for copy_ttl_in action object
-
-    Data members inherited from ofp_action_header:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_action_header.__init__(self)
-        self.type = OFPAT_COPY_TTL_IN
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_copy_ttl_in\n"
-        outstr += ofp_action_header.show(self, prefix)
-        return outstr
-
-
-class action_set_nw_ecn(ofp_action_nw_ecn):
-    """
-    Wrapper class for set_nw_ecn action object
-
-    Data members inherited from ofp_action_nw_ecn:
-    @arg type
-    @arg len
-    @arg nw_ecn
-
-    """
-    def __init__(self):
-        ofp_action_nw_ecn.__init__(self)
-        self.type = OFPAT_SET_NW_ECN
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_nw_ecn\n"
-        outstr += ofp_action_nw_ecn.show(self, prefix)
-        return outstr
-
-
-class action_set_dl_dst(ofp_action_dl_addr):
-    """
-    Wrapper class for set_dl_dst action object
-
-    Data members inherited from ofp_action_dl_addr:
-    @arg type
-    @arg len
-    @arg dl_addr
-
-    """
-    def __init__(self):
-        ofp_action_dl_addr.__init__(self)
-        self.type = OFPAT_SET_DL_DST
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_dl_dst\n"
-        outstr += ofp_action_dl_addr.show(self, prefix)
-        return outstr
-
-
-class action_push_mpls(ofp_action_push):
-    """
-    Wrapper class for push_mpls action object
-
-    Data members inherited from ofp_action_push:
-    @arg type
-    @arg len
-    @arg ethertype
-
-    """
-    def __init__(self):
-        ofp_action_push.__init__(self)
-        self.type = OFPAT_PUSH_MPLS
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_push_mpls\n"
-        outstr += ofp_action_push.show(self, prefix)
-        return outstr
-
-
-class action_dec_nw_ttl(ofp_action_header):
-    """
-    Wrapper class for dec_nw_ttl action object
-
-    Data members inherited from ofp_action_header:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_action_header.__init__(self)
-        self.type = OFPAT_DEC_NW_TTL
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_dec_nw_ttl\n"
-        outstr += ofp_action_header.show(self, prefix)
-        return outstr
-
-
-class action_set_dl_src(ofp_action_dl_addr):
-    """
-    Wrapper class for set_dl_src action object
-
-    Data members inherited from ofp_action_dl_addr:
-    @arg type
-    @arg len
-    @arg dl_addr
-
-    """
-    def __init__(self):
-        ofp_action_dl_addr.__init__(self)
-        self.type = OFPAT_SET_DL_SRC
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_dl_src\n"
-        outstr += ofp_action_dl_addr.show(self, prefix)
-        return outstr
-
-
-class action_set_queue(ofp_action_set_queue):
-    """
-    Wrapper class for set_queue action object
-
-    Data members inherited from ofp_action_set_queue:
-    @arg type
-    @arg len
-    @arg queue_id
-
-    """
-    def __init__(self):
-        ofp_action_set_queue.__init__(self)
-        self.type = OFPAT_SET_QUEUE
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_queue\n"
-        outstr += ofp_action_set_queue.show(self, prefix)
-        return outstr
-
-
-class action_output(ofp_action_output):
-    """
-    Wrapper class for output action object
-
-    Data members inherited from ofp_action_output:
-    @arg type
-    @arg len
-    @arg port
-    @arg max_len
-
-    """
-    def __init__(self):
-        ofp_action_output.__init__(self)
-        self.type = OFPAT_OUTPUT
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "action_output\n"
-        outstr += ofp_action_output.show(self, prefix)
-        return outstr
-
-action_class_list = (
-    action_copy_ttl_in,
-    action_copy_ttl_out,
-    action_dec_mpls_ttl,
-    action_dec_nw_ttl,
-    action_experimenter,
-    action_group,
-    action_output,
-    action_pop_mpls,
-    action_pop_vlan,
-    action_push_mpls,
-    action_push_vlan,
-    action_set_dl_dst,
-    action_set_dl_src,
-    action_set_mpls_label,
-    action_set_mpls_tc,
-    action_set_mpls_ttl,
-    action_set_nw_dst,
-    action_set_nw_ecn,
-    action_set_nw_src,
-    action_set_nw_tos,
-    action_set_nw_ttl,
-    action_set_queue,
-    action_set_tp_dst,
-    action_set_tp_src,
-    action_set_vlan_pcp,
-    action_set_vlan_vid)
-
diff --git a/src/python/of11/action_list.py b/src/python/of11/action_list.py
deleted file mode 100644
index 878050b..0000000
--- a/src/python/of11/action_list.py
+++ /dev/null
@@ -1,97 +0,0 @@
-"""
-OpenFlow action, instruction and bucket list classes
-"""
-
-from action import *
-from cstruct import ofp_header
-from base_list import ofp_base_list
-import copy
-
-action_object_map = {
-    OFPAT_OUTPUT                        : action_output,
-    OFPAT_SET_VLAN_VID                  : action_set_vlan_vid,
-    OFPAT_SET_VLAN_PCP                  : action_set_vlan_pcp,
-    OFPAT_SET_DL_SRC                    : action_set_dl_src,
-    OFPAT_SET_DL_DST                    : action_set_dl_dst,
-    OFPAT_SET_NW_SRC                    : action_set_nw_src,
-    OFPAT_SET_NW_DST                    : action_set_nw_dst,
-    OFPAT_SET_NW_TOS                    : action_set_nw_tos,
-    OFPAT_SET_NW_ECN                    : action_set_nw_ecn,
-    OFPAT_SET_TP_SRC                    : action_set_tp_src,
-    OFPAT_SET_TP_DST                    : action_set_tp_dst,
-    OFPAT_COPY_TTL_OUT                  : action_copy_ttl_out,
-    OFPAT_COPY_TTL_IN                   : action_copy_ttl_in,
-    OFPAT_SET_MPLS_LABEL                : action_set_mpls_label,
-    OFPAT_SET_MPLS_TC                   : action_set_mpls_tc,
-    OFPAT_SET_MPLS_TTL                  : action_set_mpls_ttl,
-    OFPAT_DEC_MPLS_TTL                  : action_dec_mpls_ttl,
-    OFPAT_PUSH_VLAN                     : action_push_vlan,
-    OFPAT_POP_VLAN                      : action_pop_vlan,
-    OFPAT_PUSH_MPLS                     : action_push_mpls,
-    OFPAT_POP_MPLS                      : action_pop_mpls,
-    OFPAT_SET_QUEUE                     : action_set_queue,
-    OFPAT_GROUP                         : action_group,
-    OFPAT_SET_NW_TTL                    : action_set_nw_ttl,
-    OFPAT_DEC_NW_TTL                    : action_dec_nw_ttl,
-    OFPAT_EXPERIMENTER                  : action_experimenter
-}
-
-class action_list(ofp_base_list):
-    """
-    Maintain a list of actions
-
-    Data members:
-    @arg actions: An array of action objects such as action_output, etc.
-
-    Methods:
-    @arg pack: Pack the structure into a string
-    @arg unpack: Unpack a string to objects, with proper typing
-    @arg add: Add an action to the list; you can directly access
-    the action member, but add will validate that the added object 
-    is an action.
-
-    """
-
-    def __init__(self):
-        ofp_base_list.__init__(self)
-        self.actions = self.items
-        self.name = "action"
-        self.class_list = action_class_list
-
-    def unpack(self, binary_string, bytes=None):
-        """
-        Unpack a list of actions
-        
-        Unpack actions from a binary string, creating an array
-        of objects of the appropriate type
-
-        @param binary_string The string to be unpacked
-
-        @param bytes The total length of the action list in bytes.  
-        Ignored if decode is True.  If None and decode is false, the
-        list is assumed to extend through the entire string.
-
-        @return The remainder of binary_string that was not parsed
-
-        """
-        if bytes == None:
-            bytes = len(binary_string)
-        bytes_done = 0
-        count = 0
-        cur_string = binary_string
-        while bytes_done < bytes:
-            hdr = ofp_action_header()
-            hdr.unpack(cur_string)
-            if hdr.len < OFP_ACTION_HEADER_BYTES:
-                print "ERROR: Action too short"
-                break
-            if not hdr.type in action_object_map.keys():
-                print "WARNING: Skipping unknown action ", hdr.type, hdr.len
-            else:
-                self.actions.append(action_object_map[hdr.type]())
-                self.actions[count].unpack(cur_string)
-                count += 1
-            cur_string = cur_string[hdr.len:]
-            bytes_done += hdr.len
-        return cur_string
-
diff --git a/src/python/of11/base_list.py b/src/python/of11/base_list.py
deleted file mode 100644
index 938c68e..0000000
--- a/src/python/of11/base_list.py
+++ /dev/null
@@ -1,158 +0,0 @@
-
-"""
-Base list class for inheritance.
-Most of the list stuff is common; unpacking is the only thing that
-is left pure virtual.
-"""
-
-import copy
-
-class ofp_base_list(object):
-    """
-    Container type to maintain a list of ofp objects
-
-    Data members:
-    @arg items An array of objects
-    @arg class_list A tuple of classes that may be added to the list;
-         If None, no checking is done
-    @arg name The name to use when displaying the list
-
-    Methods:
-    @arg pack Pack the structure into a string
-    @arg unpack Unpack a string to objects, with proper typing
-    @arg add Add an item to the list; you can directly access
-    the item member, but add will validate that the added object 
-    is of the right type.
-    @arg extend Add the items for another list to this list
-
-    """
-
-    def __init__(self):
-        self.items = []
-        self.class_list = None
-        self.name = "unspecified"
-
-    def pack(self):
-        """
-        Pack a list of items
-
-        Returns the packed string
-        """
-        packed = ""
-        for obj in self.items:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string, bytes=None):
-        """
-        Pure virtual function for a list of items
-
-        Unpack items from a binary string, creating an array
-        of objects of the appropriate type
-
-        @param binary_string The string to be unpacked
-
-        @param bytes The total length of the list in bytes.  
-        Ignored if decode is True.  If None and decode is false, the
-        list is assumed to extend through the entire string.
-
-        @return The remainder of binary_string that was not parsed
-        """
-        pass
-
-    def add(self, item):
-        """
-        Add an item to a list
-
-        @param item The item to add
-        @return True if successful, False if not proper type object
-
-        """
-
-        # Note that the second arg of isinstance can be a list which
-        # checks that the type of item is in the list
-        if (self.class_list is not None) and \
-                not isinstance(item, tuple(self.class_list)):
-            return False
-
-        tmp = copy.deepcopy(item)
-        self.items.append(tmp)
-        return True
-
-    def remove_type(self, target):
-        """
-        Remove the first item on the list of the given type
-
-        @param target The type of item to search
-
-        @return The object removed, if any; otherwise None
-
-        """
-        for index in xrange(len(self.items)):
-            if self.items[index].type == target:
-                return self.items.pop(index)
-        return None
-
-    def find_type(self, target):
-        """
-        Find the first item on the list of the given type
-
-        @param target The type of item to search
-
-        @return The object with the matching type if any; otherwise None
-
-        """
-        for index in xrange(len(self.items)):
-            if self.items[index].type == target:
-                return self.items[index]
-        return None
-
-    def extend(self, other):
-        """
-        Add the items in other to this list
-
-        @param other An object of the same type of list whose
-        entries are to be merged into this list
-
-        @return True if successful.  If not successful, the list
-        may have been modified.
-
-        @todo Check if this is proper deep copy or not
-
-        """
-        for act in other.items:
-            if not self.add(act):
-                return False
-        return True
-
-    def __len__(self):
-        """
-        Length of the list packed as a string
-        """
-        length = 0
-        for item in self.items:
-            length += item.__len__()
-        return length
-
-    def __eq__(self, other):
-        if type(self) != type(other):
-            return False
-        if self.items != other.items:
-            return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    # Methods to make class iterable
-    def __iter__(self):
-        return self.items.__iter__()
-
-    def show(self, prefix=''):
-        outstr = prefix + self.name + "list with " + str(len(self.items)) + \
-            " items\n"
-        count = 0
-        for obj in self.items:
-            count += 1
-            outstr += prefix + " " + self.name + " " + str(count) + ": \n"
-            outstr += obj.show(prefix + '    ')
-        return outstr
diff --git a/src/python/of11/bucket.py b/src/python/of11/bucket.py
deleted file mode 100644
index 64caed1..0000000
--- a/src/python/of11/bucket.py
+++ /dev/null
@@ -1,42 +0,0 @@
-
-# Python OpenFlow bucket wrapper class
-
-from cstruct import ofp_bucket
-from action_list import action_list
-
-
-
-class bucket(ofp_bucket):
-    """
-    Wrapper class for bucket object
-
-    Data members inherited from ofp_bucket:
-    @arg len
-    @arg weight
-    @arg watch_port
-    @arg watch_group
-
-    """
-    def __init__(self):
-        ofp_bucket.__init__(self)
-        self.actions = action_list()
-        self.type = None
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "bucket\n"
-        outstr += ofp_bucket.show(self, prefix)
-        outstr += self.actions.show()
-        return outstr
-    def unpack(self, binary_string):
-        binary_string = ofp_bucket.unpack(self, binary_string)
-        self.actions = action_list()
-        return self.actions.unpack(binary_string)
-    def pack(self):
-        self.len = len(self)
-        packed = ""
-        packed += ofp_bucket.pack(self)
-        packed += self.actions.pack()
-        return packed
-    def __len__(self):
-        return ofp_bucket.__len__(self) + self.actions.__len__()
-
diff --git a/src/python/of11/bucket_list.py b/src/python/of11/bucket_list.py
deleted file mode 100644
index 33d9472..0000000
--- a/src/python/of11/bucket_list.py
+++ /dev/null
@@ -1,52 +0,0 @@
-
-from base_list import ofp_base_list
-from bucket import bucket
-
-class bucket_list(ofp_base_list):
-    """
-    Maintain a list of instructions
-
-    Data members:
-    @arg instructions An array of instructions such as write_actions
-
-    Methods:
-    @arg pack: Pack the structure into a string
-    @arg unpack: Unpack a string to objects, with proper typing
-    @arg add: Add an action to the list; you can directly access
-    the action member, but add will validate that the added object 
-    is an action.
-
-    """
-
-    def __init__(self):
-        ofp_base_list.__init__(self)
-        self.buckets = self.items
-        self.name = "buckets"
-        self.class_list = (bucket,)
-
-    def unpack(self, binary_string, bytes=None):
-        """
-        Unpack a list of buckets
-        
-        Unpack buckets from a binary string, creating an array
-        of objects of the appropriate type
-
-        @param binary_string The string to be unpacked
-
-        @param bytes The total length of the instruction list in bytes.  
-        Ignored if decode is True.  If bytes is None and decode is false, the
-        list is assumed to extend through the entire string.
-
-        @return The remainder of binary_string that was not parsed
-
-        """
-        if bytes == None:
-            bytes = len(binary_string)
-        bytes_done = 0
-        cur_string = binary_string
-        while bytes_done < bytes:
-            b = bucket()
-            cur_string = b.unpack(cur_string)
-            self.buckets.append(b)
-            bytes_done += len(b)
-        return cur_string
diff --git a/src/python/of11/class_maps.py b/src/python/of11/class_maps.py
deleted file mode 100644
index 50ff188..0000000
--- a/src/python/of11/class_maps.py
+++ /dev/null
@@ -1,375 +0,0 @@
-
-# Class to array member map
-class_to_members_map = {
-    'ofp_action_mpls_tc'            : [
-                                       'type',
-                                       'len',
-                                       'mpls_tc'
-                                      ],
-    'ofp_aggregate_stats_reply'     : [
-                                       'packet_count',
-                                       'byte_count',
-                                       'flow_count'
-                                      ],
-    'ofp_action_set_queue'          : [
-                                       'type',
-                                       'len',
-                                       'queue_id'
-                                      ],
-    'ofp_table_stats'               : [
-                                       'table_id',
-                                       'name',
-                                       'wildcards',
-                                       'match',
-                                       'instructions',
-                                       'write_actions',
-                                       'apply_actions',
-                                       'config',
-                                       'max_entries',
-                                       'active_count',
-                                       'lookup_count',
-                                       'matched_count'
-                                      ],
-    'ofp_table_mod'                 : [
-                                       'table_id',
-                                       'config'
-                                      ],
-    'ofp_flow_removed'              : [
-                                       'cookie',
-                                       'priority',
-                                       'reason',
-                                       'table_id',
-                                       'duration_sec',
-                                       'duration_nsec',
-                                       'idle_timeout',
-                                       'packet_count',
-                                       'byte_count',
-                                       'match'
-                                      ],
-    'ofp_instruction_actions'       : [
-                                       'type',
-                                       'len'
-                                      ],
-    'ofp_queue_stats'               : [
-                                       'port_no',
-                                       'queue_id',
-                                       'tx_bytes',
-                                       'tx_packets',
-                                       'tx_errors'
-                                      ],
-    'ofp_action_tp_port'            : [
-                                       'type',
-                                       'len',
-                                       'tp_port'
-                                      ],
-    'ofp_action_nw_ecn'             : [
-                                       'type',
-                                       'len',
-                                       'nw_ecn'
-                                      ],
-    'ofp_group_mod'                 : [
-                                       'command',
-                                       'type',
-                                       'group_id'
-                                      ],
-    'ofp_port_stats_request'        : [
-                                       'port_no'
-                                      ],
-    'ofp_stats_request'             : [
-                                       'type',
-                                       'flags'
-                                      ],
-    'ofp_instruction'               : [
-                                       'type',
-                                       'len'
-                                      ],
-    'ofp_group_stats_request'       : [
-                                       'group_id'
-                                      ],
-    'ofp_experimenter_header'       : [
-                                       'experimenter'
-                                      ],
-    'ofp_aggregate_stats_request'   : [
-                                       'table_id',
-                                       'out_port',
-                                       'out_group',
-                                       'cookie',
-                                       'cookie_mask',
-                                       'match'
-                                      ],
-    'ofp_queue_get_config_request'  : [
-                                       'port'
-                                      ],
-    'ofp_instruction_experimenter'  : [
-                                       'type',
-                                       'len',
-                                       'experimenter'
-                                      ],
-    'ofp_action_nw_ttl'             : [
-                                       'type',
-                                       'len',
-                                       'nw_ttl'
-                                      ],
-    'ofp_port_status'               : [
-                                       'reason',
-                                       'desc'
-                                      ],
-    'ofp_action_header'             : [
-                                       'type',
-                                       'len'
-                                      ],
-    'ofp_port_mod'                  : [
-                                       'port_no',
-                                       'hw_addr',
-                                       'config',
-                                       'mask',
-                                       'advertise'
-                                      ],
-    'ofp_action_vlan_vid'           : [
-                                       'type',
-                                       'len',
-                                       'vlan_vid'
-                                      ],
-    'ofp_action_output'             : [
-                                       'type',
-                                       'len',
-                                       'port',
-                                       'max_len'
-                                      ],
-    'ofp_switch_config'             : [
-                                       'flags',
-                                       'miss_send_len'
-                                      ],
-    'ofp_action_nw_tos'             : [
-                                       'type',
-                                       'len',
-                                       'nw_tos'
-                                      ],
-    'ofp_action_experimenter_header' : [
-                                       'type',
-                                       'len',
-                                       'experimenter'
-                                      ],
-    'ofp_queue_get_config_reply'    : [
-                                       'port'
-                                      ],
-    'ofp_queue_prop_header'         : [
-                                       'property',
-                                       'len'
-                                      ],
-    'ofp_packet_in'                 : [
-                                       'buffer_id',
-                                       'in_port',
-                                       'in_phy_port',
-                                       'total_len',
-                                       'reason',
-                                       'table_id'
-                                      ],
-    'ofp_instruction_write_metadata' : [
-                                       'type',
-                                       'len',
-                                       'metadata',
-                                       'metadata_mask'
-                                      ],
-    'ofp_flow_stats'                : [
-                                       'length',
-                                       'table_id',
-                                       'duration_sec',
-                                       'duration_nsec',
-                                       'priority',
-                                       'idle_timeout',
-                                       'hard_timeout',
-                                       'cookie',
-                                       'packet_count',
-                                       'byte_count',
-                                       'match'
-                                      ],
-    'ofp_action_mpls_label'         : [
-                                       'type',
-                                       'len',
-                                       'mpls_label'
-                                      ],
-    'ofp_flow_stats_request'        : [
-                                       'table_id',
-                                       'out_port',
-                                       'out_group',
-                                       'cookie',
-                                       'cookie_mask',
-                                       'match'
-                                      ],
-    'ofp_header'                    : [
-                                       'version',
-                                       'type',
-                                       'length',
-                                       'xid'
-                                      ],
-    'ofp_stats_reply'               : [
-                                       'type',
-                                       'flags'
-                                      ],
-    'ofp_queue_stats_request'       : [
-                                       'port_no',
-                                       'queue_id'
-                                      ],
-    'ofp_desc_stats'                : [
-                                       'mfr_desc',
-                                       'hw_desc',
-                                       'sw_desc',
-                                       'serial_num',
-                                       'dp_desc'
-                                      ],
-    'ofp_match'                     : [
-                                       'type',
-                                       'length',
-                                       'in_port',
-                                       'wildcards',
-                                       'dl_src',
-                                       'dl_src_mask',
-                                       'dl_dst',
-                                       'dl_dst_mask',
-                                       'dl_vlan',
-                                       'dl_vlan_pcp',
-                                       'dl_type',
-                                       'nw_tos',
-                                       'nw_proto',
-                                       'nw_src',
-                                       'nw_src_mask',
-                                       'nw_dst',
-                                       'nw_dst_mask',
-                                       'tp_src',
-                                       'tp_dst',
-                                       'mpls_label',
-                                       'mpls_tc',
-                                       'metadata',
-                                       'metadata_mask'
-                                      ],
-    'ofp_port_stats'                : [
-                                       'port_no',
-                                       'rx_packets',
-                                       'tx_packets',
-                                       'rx_bytes',
-                                       'tx_bytes',
-                                       'rx_dropped',
-                                       'tx_dropped',
-                                       'rx_errors',
-                                       'tx_errors',
-                                       'rx_frame_err',
-                                       'rx_over_err',
-                                       'rx_crc_err',
-                                       'collisions'
-                                      ],
-    'ofp_packet_queue'              : [
-                                       'queue_id',
-                                       'len'
-                                      ],
-    'ofp_port'                      : [
-                                       'port_no',
-                                       'hw_addr',
-                                       'name',
-                                       'config',
-                                       'state',
-                                       'curr',
-                                       'advertised',
-                                       'supported',
-                                       'peer',
-                                       'curr_speed',
-                                       'max_speed'
-                                      ],
-    'ofp_action_dl_addr'            : [
-                                       'type',
-                                       'len',
-                                       'dl_addr'
-                                      ],
-    'ofp_bucket_counter'            : [
-                                       'packet_count',
-                                       'byte_count'
-                                      ],
-    'ofp_queue_prop_min_rate'       : [
-                                       'prop_header',
-                                       'rate'
-                                      ],
-    'ofp_bucket'                    : [
-                                       'len',
-                                       'weight',
-                                       'watch_port',
-                                       'watch_group'
-                                      ],
-    'ofp_switch_features'           : [
-                                       'datapath_id',
-                                       'n_buffers',
-                                       'n_tables',
-                                       'capabilities',
-                                       'reserved'
-                                      ],
-    'ofp_action_pop_mpls'           : [
-                                       'type',
-                                       'len',
-                                       'ethertype'
-                                      ],
-    'ofp_flow_mod'                  : [
-                                       'cookie',
-                                       'cookie_mask',
-                                       'table_id',
-                                       'command',
-                                       'idle_timeout',
-                                       'hard_timeout',
-                                       'priority',
-                                       'buffer_id',
-                                       'out_port',
-                                       'out_group',
-                                       'flags',
-                                       'match'
-                                      ],
-    'ofp_packet_out'                : [
-                                       'buffer_id',
-                                       'in_port',
-                                       'actions_len'
-                                      ],
-    'ofp_instruction_goto_table'    : [
-                                       'type',
-                                       'len',
-                                       'table_id'
-                                      ],
-    'ofp_action_nw_addr'            : [
-                                       'type',
-                                       'len',
-                                       'nw_addr'
-                                      ],
-    'ofp_action_group'              : [
-                                       'type',
-                                       'len',
-                                       'group_id'
-                                      ],
-    'ofp_group_stats'               : [
-                                       'length',
-                                       'group_id',
-                                       'ref_count',
-                                       'packet_count',
-                                       'byte_count'
-                                      ],
-    'ofp_action_vlan_pcp'           : [
-                                       'type',
-                                       'len',
-                                       'vlan_pcp'
-                                      ],
-    'ofp_action_push'               : [
-                                       'type',
-                                       'len',
-                                       'ethertype'
-                                      ],
-    'ofp_group_desc_stats'          : [
-                                       'length',
-                                       'type',
-                                       'group_id'
-                                      ],
-    'ofp_error_msg'                 : [
-                                       'type',
-                                       'code'
-                                      ],
-    'ofp_action_mpls_ttl'           : [
-                                       'type',
-                                       'len',
-                                       'mpls_ttl'
-                                      ],
-    '_ignore' : []
-}
diff --git a/src/python/of11/cstruct.py b/src/python/of11/cstruct.py
deleted file mode 100644
index 1db5f00..0000000
--- a/src/python/of11/cstruct.py
+++ /dev/null
@@ -1,6043 +0,0 @@
-import struct
-
-# Structure definitions
-class ofp_action_mpls_tc(object):
-    """Automatically generated Python class for ofp_action_mpls_tc
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.mpls_tc = 0
-        self.pad= [0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHB", self.type, self.len, self.mpls_tc)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.mpls_tc) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 5
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.mpls_tc !=  other.mpls_tc: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'mpls_tc: ' + str(self.mpls_tc) + '\n'
-        return outstr
-
-
-class ofp_aggregate_stats_reply(object):
-    """Automatically generated Python class for ofp_aggregate_stats_reply
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.packet_count = 0
-        self.byte_count = 0
-        self.flow_count = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!QQL", self.packet_count, self.byte_count, self.flow_count)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 24):
-            return binaryString
-        fmt = '!QQL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.packet_count, self.byte_count, self.flow_count) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 20
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[24:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 24
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.packet_count !=  other.packet_count: return False
-        if self.byte_count !=  other.byte_count: return False
-        if self.flow_count !=  other.flow_count: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'packet_count: ' + str(self.packet_count) + '\n'
-        outstr += prefix + 'byte_count: ' + str(self.byte_count) + '\n'
-        outstr += prefix + 'flow_count: ' + str(self.flow_count) + '\n'
-        return outstr
-
-
-class ofp_action_set_queue(object):
-    """Automatically generated Python class for ofp_action_set_queue
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.queue_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHL", self.type, self.len, self.queue_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.queue_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.queue_id !=  other.queue_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'queue_id: ' + str(self.queue_id) + '\n'
-        return outstr
-
-
-class ofp_table_stats(object):
-    """Automatically generated Python class for ofp_table_stats
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.table_id = 0
-        self.pad= [0,0,0,0,0,0,0]
-        self.name= ""
-        self.wildcards = 0
-        self.match = 0
-        self.instructions = 0
-        self.write_actions = 0
-        self.apply_actions = 0
-        self.config = 0
-        self.max_entries = 0
-        self.active_count = 0
-        self.lookup_count = 0
-        self.matched_count = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 7):
-            return (False, "self.pad is not of size 7 as expected.")
-        if(not isinstance(self.name, str)):
-            return (False, "self.name is not string as expected.")
-        if(len(self.name) > 32):
-            return (False, "self.name is not of size 32 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!B", self.table_id)
-        packed += struct.pack("!BBBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5], self.pad[6])
-        packed += self.name.ljust(32,'\0')
-        packed += struct.pack("!LLLLLLLLQQ", self.wildcards, self.match, self.instructions, self.write_actions, self.apply_actions, self.config, self.max_entries, self.active_count, self.lookup_count, self.matched_count)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 88):
-            return binaryString
-        fmt = '!B'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.table_id,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBBB'
-        start = 1
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5], self.pad[6]) = struct.unpack(fmt, binaryString[start:end])
-        self.name = binaryString[8:40].replace("\0","")
-        fmt = '!LLLLLLLLQQ'
-        start = 40
-        end = start + struct.calcsize(fmt)
-        (self.wildcards, self.match, self.instructions, self.write_actions, self.apply_actions, self.config, self.max_entries, self.active_count, self.lookup_count, self.matched_count) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[88:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 88
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        if self.name !=  other.name: return False
-        if self.wildcards !=  other.wildcards: return False
-        if self.match !=  other.match: return False
-        if self.instructions !=  other.instructions: return False
-        if self.write_actions !=  other.write_actions: return False
-        if self.apply_actions !=  other.apply_actions: return False
-        if self.config !=  other.config: return False
-        if self.max_entries !=  other.max_entries: return False
-        if self.active_count !=  other.active_count: return False
-        if self.lookup_count !=  other.lookup_count: return False
-        if self.matched_count !=  other.matched_count: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'name: ' + str(self.name) + '\n'
-        outstr += prefix + 'wildcards: ' + str(self.wildcards) + '\n'
-        outstr += prefix + 'match: ' + str(self.match) + '\n'
-        outstr += prefix + 'instructions: ' + str(self.instructions) + '\n'
-        outstr += prefix + 'write_actions: ' + str(self.write_actions) + '\n'
-        outstr += prefix + 'apply_actions: ' + str(self.apply_actions) + '\n'
-        outstr += prefix + 'config: ' + str(self.config) + '\n'
-        outstr += prefix + 'max_entries: ' + str(self.max_entries) + '\n'
-        outstr += prefix + 'active_count: ' + str(self.active_count) + '\n'
-        outstr += prefix + 'lookup_count: ' + str(self.lookup_count) + '\n'
-        outstr += prefix + 'matched_count: ' + str(self.matched_count) + '\n'
-        return outstr
-
-
-class ofp_table_mod(object):
-    """Automatically generated Python class for ofp_table_mod
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.table_id = 0
-        self.pad= [0,0,0]
-        self.config = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!B", self.table_id)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        packed += struct.pack("!L", self.config)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!B'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.table_id,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBB'
-        start = 1
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!L'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.config,) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        if self.config !=  other.config: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'config: ' + str(self.config) + '\n'
-        return outstr
-
-
-class ofp_flow_removed(object):
-    """Automatically generated Python class for ofp_flow_removed
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.cookie = 0
-        self.priority = 0
-        self.reason = 0
-        self.table_id = 0
-        self.duration_sec = 0
-        self.duration_nsec = 0
-        self.idle_timeout = 0
-        self.pad2= [0,0]
-        self.packet_count = 0
-        self.byte_count = 0
-        self.match = ofp_match()
-        self.match.length = OFP_MATCH_BYTES
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 2):
-            return (False, "self.pad2 is not of size 2 as expected.")
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!QHBBLLH", self.cookie, self.priority, self.reason, self.table_id, self.duration_sec, self.duration_nsec, self.idle_timeout)
-        packed += struct.pack("!BB", self.pad2[0], self.pad2[1])
-        packed += struct.pack("!QQ", self.packet_count, self.byte_count)
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 128):
-            return binaryString
-        fmt = '!QHBBLLH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.cookie, self.priority, self.reason, self.table_id, self.duration_sec, self.duration_nsec, self.idle_timeout) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 22
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQ'
-        start = 24
-        end = start + struct.calcsize(fmt)
-        (self.packet_count, self.byte_count) = struct.unpack(fmt,  binaryString[start:end])
-        self.match.unpack(binaryString[40:])
-        return binaryString[128:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 128
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.cookie !=  other.cookie: return False
-        if self.priority !=  other.priority: return False
-        if self.reason !=  other.reason: return False
-        if self.table_id !=  other.table_id: return False
-        if self.duration_sec !=  other.duration_sec: return False
-        if self.duration_nsec !=  other.duration_nsec: return False
-        if self.idle_timeout !=  other.idle_timeout: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.packet_count !=  other.packet_count: return False
-        if self.byte_count !=  other.byte_count: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'cookie: ' + str(self.cookie) + '\n'
-        outstr += prefix + 'priority: ' + str(self.priority) + '\n'
-        outstr += prefix + 'reason: ' + str(self.reason) + '\n'
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'duration_sec: ' + str(self.duration_sec) + '\n'
-        outstr += prefix + 'duration_nsec: ' + str(self.duration_nsec) + '\n'
-        outstr += prefix + 'idle_timeout: ' + str(self.idle_timeout) + '\n'
-        outstr += prefix + 'packet_count: ' + str(self.packet_count) + '\n'
-        outstr += prefix + 'byte_count: ' + str(self.byte_count) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_instruction_actions(object):
-    """Automatically generated Python class for ofp_instruction_actions
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.len)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        return outstr
-
-
-class ofp_queue_stats(object):
-    """Automatically generated Python class for ofp_queue_stats
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.queue_id = 0
-        self.tx_bytes = 0
-        self.tx_packets = 0
-        self.tx_errors = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LLQQQ", self.port_no, self.queue_id, self.tx_bytes, self.tx_packets, self.tx_errors)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 32):
-            return binaryString
-        fmt = '!LLQQQ'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no, self.queue_id, self.tx_bytes, self.tx_packets, self.tx_errors) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[32:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 32
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.queue_id !=  other.queue_id: return False
-        if self.tx_bytes !=  other.tx_bytes: return False
-        if self.tx_packets !=  other.tx_packets: return False
-        if self.tx_errors !=  other.tx_errors: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        outstr += prefix + 'queue_id: ' + str(self.queue_id) + '\n'
-        outstr += prefix + 'tx_bytes: ' + str(self.tx_bytes) + '\n'
-        outstr += prefix + 'tx_packets: ' + str(self.tx_packets) + '\n'
-        outstr += prefix + 'tx_errors: ' + str(self.tx_errors) + '\n'
-        return outstr
-
-
-class ofp_action_tp_port(object):
-    """Automatically generated Python class for ofp_action_tp_port
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.tp_port = 0
-        self.pad= [0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHH", self.type, self.len, self.tp_port)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.tp_port) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 6
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.tp_port !=  other.tp_port: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'tp_port: ' + str(self.tp_port) + '\n'
-        return outstr
-
-
-class ofp_action_nw_ecn(object):
-    """Automatically generated Python class for ofp_action_nw_ecn
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.nw_ecn = 0
-        self.pad= [0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHB", self.type, self.len, self.nw_ecn)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.nw_ecn) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 5
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.nw_ecn !=  other.nw_ecn: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'nw_ecn: ' + str(self.nw_ecn) + '\n'
-        return outstr
-
-
-class ofp_group_mod(object):
-    """Automatically generated Python class for ofp_group_mod
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.command = 0
-        self.type = 0
-        self.pad = 0
-        self.group_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HBBL", self.command, self.type, self.pad, self.group_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HBBL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.command, self.type, self.pad, self.group_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.command !=  other.command: return False
-        if self.type !=  other.type: return False
-        if self.pad !=  other.pad: return False
-        if self.group_id !=  other.group_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'command: ' + str(self.command) + '\n'
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'group_id: ' + str(self.group_id) + '\n'
-        return outstr
-
-
-class ofp_port_stats_request(object):
-    """Automatically generated Python class for ofp_port_stats_request
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port_no)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        return outstr
-
-
-class ofp_stats_request(object):
-    """Automatically generated Python class for ofp_stats_request
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.flags = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.flags)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 4):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.flags) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[4:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 4
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.flags !=  other.flags: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'flags: ' + str(self.flags) + '\n'
-        return outstr
-
-
-class ofp_instruction(object):
-    """Automatically generated Python class for ofp_instruction
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.len)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        return outstr
-
-
-class ofp_hello(object):
-    """Automatically generated Python class for ofp_hello
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 0):
-            return binaryString
-        return binaryString[0:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 0
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        return outstr
-
-
-class ofp_group_stats_request(object):
-    """Automatically generated Python class for ofp_group_stats_request
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.group_id = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.group_id)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.group_id,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.group_id !=  other.group_id: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'group_id: ' + str(self.group_id) + '\n'
-        return outstr
-
-
-class ofp_experimenter_header(object):
-    """Automatically generated Python class for ofp_experimenter_header
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.experimenter = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.experimenter)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 4):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.experimenter,) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[4:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 4
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.experimenter !=  other.experimenter: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'experimenter: ' + str(self.experimenter) + '\n'
-        return outstr
-
-
-class ofp_aggregate_stats_request(object):
-    """Automatically generated Python class for ofp_aggregate_stats_request
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.table_id = 0
-        self.pad= [0,0,0]
-        self.out_port = 0
-        self.out_group = 0
-        self.pad2= [0,0,0,0]
-        self.cookie = 0
-        self.cookie_mask = 0
-        self.match = ofp_match()
-        self.match.length = OFP_MATCH_BYTES
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 4):
-            return (False, "self.pad2 is not of size 4 as expected.")
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!B", self.table_id)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        packed += struct.pack("!LL", self.out_port, self.out_group)
-        packed += struct.pack("!BBBB", self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3])
-        packed += struct.pack("!QQ", self.cookie, self.cookie_mask)
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 120):
-            return binaryString
-        fmt = '!B'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.table_id,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBB'
-        start = 1
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LL'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.out_port, self.out_group) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 12
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQ'
-        start = 16
-        end = start + struct.calcsize(fmt)
-        (self.cookie, self.cookie_mask) = struct.unpack(fmt,  binaryString[start:end])
-        self.match.unpack(binaryString[32:])
-        return binaryString[120:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 120
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        if self.out_port !=  other.out_port: return False
-        if self.out_group !=  other.out_group: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.cookie !=  other.cookie: return False
-        if self.cookie_mask !=  other.cookie_mask: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'out_port: ' + str(self.out_port) + '\n'
-        outstr += prefix + 'out_group: ' + str(self.out_group) + '\n'
-        outstr += prefix + 'cookie: ' + str(self.cookie) + '\n'
-        outstr += prefix + 'cookie_mask: ' + str(self.cookie_mask) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_queue_get_config_request(object):
-    """Automatically generated Python class for ofp_queue_get_config_request
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 4):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port,) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[4:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 4
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port !=  other.port: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port: ' + str(self.port) + '\n'
-        return outstr
-
-
-class ofp_instruction_experimenter(object):
-    """Automatically generated Python class for ofp_instruction_experimenter
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.experimenter = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHL", self.type, self.len, self.experimenter)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.experimenter) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.experimenter !=  other.experimenter: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'experimenter: ' + str(self.experimenter) + '\n'
-        return outstr
-
-
-class ofp_action_nw_ttl(object):
-    """Automatically generated Python class for ofp_action_nw_ttl
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.nw_ttl = 0
-        self.pad= [0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHB", self.type, self.len, self.nw_ttl)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.nw_ttl) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 5
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.nw_ttl !=  other.nw_ttl: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'nw_ttl: ' + str(self.nw_ttl) + '\n'
-        return outstr
-
-
-class ofp_port_status(object):
-    """Automatically generated Python class for ofp_port_status
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.reason = 0
-        self.pad= [0,0,0,0,0,0,0]
-        self.desc = ofp_port()
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 7):
-            return (False, "self.pad is not of size 7 as expected.")
-        if(not isinstance(self.desc, ofp_port)):
-            return (False, "self.desc is not class ofp_port as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!B", self.reason)
-        packed += struct.pack("!BBBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5], self.pad[6])
-        packed += self.desc.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 72):
-            return binaryString
-        fmt = '!B'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.reason,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBBB'
-        start = 1
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5], self.pad[6]) = struct.unpack(fmt, binaryString[start:end])
-        self.desc.unpack(binaryString[8:])
-        return binaryString[72:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 72
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.reason !=  other.reason: return False
-        if self.pad !=  other.pad: return False
-        if self.desc !=  other.desc: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'reason: ' + str(self.reason) + '\n'
-        outstr += prefix + 'desc: \n' 
-        outstr += self.desc.show(prefix + '  ')
-        return outstr
-
-
-class ofp_action_header(object):
-    """Automatically generated Python class for ofp_action_header
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.len)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        return outstr
-
-
-class ofp_port_mod(object):
-    """Automatically generated Python class for ofp_port_mod
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.pad= [0,0,0,0]
-        self.hw_addr= [0,0,0,0,0,0]
-        self.pad2= [0,0]
-        self.config = 0
-        self.mask = 0
-        self.advertise = 0
-        self.pad3= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        if(not isinstance(self.hw_addr, list)):
-            return (False, "self.hw_addr is not list as expected.")
-        if(len(self.hw_addr) != 6):
-            return (False, "self.hw_addr is not of size 6 as expected.")
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 2):
-            return (False, "self.pad2 is not of size 2 as expected.")
-        if(not isinstance(self.pad3, list)):
-            return (False, "self.pad3 is not list as expected.")
-        if(len(self.pad3) != 4):
-            return (False, "self.pad3 is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port_no)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        packed += struct.pack("!BBBBBB", self.hw_addr[0], self.hw_addr[1], self.hw_addr[2], self.hw_addr[3], self.hw_addr[4], self.hw_addr[5])
-        packed += struct.pack("!BB", self.pad2[0], self.pad2[1])
-        packed += struct.pack("!LLL", self.config, self.mask, self.advertise)
-        packed += struct.pack("!BBBB", self.pad3[0], self.pad3[1], self.pad3[2], self.pad3[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 32):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.hw_addr[0], self.hw_addr[1], self.hw_addr[2], self.hw_addr[3], self.hw_addr[4], self.hw_addr[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BB'
-        start = 14
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LLL'
-        start = 16
-        end = start + struct.calcsize(fmt)
-        (self.config, self.mask, self.advertise) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 28
-        end = start + struct.calcsize(fmt)
-        (self.pad3[0], self.pad3[1], self.pad3[2], self.pad3[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[32:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 32
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.pad !=  other.pad: return False
-        if self.hw_addr !=  other.hw_addr: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.config !=  other.config: return False
-        if self.mask !=  other.mask: return False
-        if self.advertise !=  other.advertise: return False
-        if self.pad3 !=  other.pad3: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        outstr += prefix + 'hw_addr: ' + str(self.hw_addr) + '\n'
-        outstr += prefix + 'config: ' + str(self.config) + '\n'
-        outstr += prefix + 'mask: ' + str(self.mask) + '\n'
-        outstr += prefix + 'advertise: ' + str(self.advertise) + '\n'
-        return outstr
-
-
-class ofp_action_vlan_vid(object):
-    """Automatically generated Python class for ofp_action_vlan_vid
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.vlan_vid = 0
-        self.pad= [0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHH", self.type, self.len, self.vlan_vid)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.vlan_vid) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 6
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.vlan_vid !=  other.vlan_vid: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'vlan_vid: ' + str(self.vlan_vid) + '\n'
-        return outstr
-
-
-class ofp_action_output(object):
-    """Automatically generated Python class for ofp_action_output
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.port = 0
-        self.max_len = 0
-        self.pad= [0,0,0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 6):
-            return (False, "self.pad is not of size 6 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHLH", self.type, self.len, self.port, self.max_len)
-        packed += struct.pack("!BBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!HHLH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.port, self.max_len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 10
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.port !=  other.port: return False
-        if self.max_len !=  other.max_len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'port: ' + str(self.port) + '\n'
-        outstr += prefix + 'max_len: ' + str(self.max_len) + '\n'
-        return outstr
-
-
-class ofp_switch_config(object):
-    """Automatically generated Python class for ofp_switch_config
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.flags = 0
-        self.miss_send_len = 128
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.flags, self.miss_send_len)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 4):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.flags, self.miss_send_len) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[4:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 4
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.flags !=  other.flags: return False
-        if self.miss_send_len !=  other.miss_send_len: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'flags: ' + str(self.flags) + '\n'
-        outstr += prefix + 'miss_send_len: ' + str(self.miss_send_len) + '\n'
-        return outstr
-
-
-class ofp_action_nw_tos(object):
-    """Automatically generated Python class for ofp_action_nw_tos
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.nw_tos = 0
-        self.pad= [0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHB", self.type, self.len, self.nw_tos)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.nw_tos) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 5
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.nw_tos !=  other.nw_tos: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'nw_tos: ' + str(self.nw_tos) + '\n'
-        return outstr
-
-
-class ofp_action_experimenter_header(object):
-    """Automatically generated Python class for ofp_action_experimenter_header
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.experimenter = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHL", self.type, self.len, self.experimenter)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.experimenter) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.experimenter !=  other.experimenter: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'experimenter: ' + str(self.experimenter) + '\n'
-        return outstr
-
-
-class ofp_queue_get_config_reply(object):
-    """Automatically generated Python class for ofp_queue_get_config_reply
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port !=  other.port: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port: ' + str(self.port) + '\n'
-        return outstr
-
-
-class ofp_queue_prop_header(object):
-    """Automatically generated Python class for ofp_queue_prop_header
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.property = 0
-        self.len = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.property, self.len)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.property, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.property !=  other.property: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'property: ' + str(self.property) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        return outstr
-
-
-class ofp_packet_in(object):
-    """Automatically generated Python class for ofp_packet_in
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.buffer_id = 0
-        self.in_port = 0
-        self.in_phy_port = 0
-        self.total_len = 0
-        self.reason = 0
-        self.table_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LLLHBB", self.buffer_id, self.in_port, self.in_phy_port, self.total_len, self.reason, self.table_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!LLLHBB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.buffer_id, self.in_port, self.in_phy_port, self.total_len, self.reason, self.table_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.buffer_id !=  other.buffer_id: return False
-        if self.in_port !=  other.in_port: return False
-        if self.in_phy_port !=  other.in_phy_port: return False
-        if self.total_len !=  other.total_len: return False
-        if self.reason !=  other.reason: return False
-        if self.table_id !=  other.table_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'buffer_id: ' + str(self.buffer_id) + '\n'
-        outstr += prefix + 'in_port: ' + str(self.in_port) + '\n'
-        outstr += prefix + 'in_phy_port: ' + str(self.in_phy_port) + '\n'
-        outstr += prefix + 'total_len: ' + str(self.total_len) + '\n'
-        outstr += prefix + 'reason: ' + str(self.reason) + '\n'
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        return outstr
-
-
-class ofp_instruction_write_metadata(object):
-    """Automatically generated Python class for ofp_instruction_write_metadata
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.pad= [0,0,0,0]
-        self.metadata = 0
-        self.metadata_mask = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.len)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        packed += struct.pack("!QQ", self.metadata, self.metadata_mask)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 24):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQ'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.metadata, self.metadata_mask) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[24:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 24
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        if self.metadata !=  other.metadata: return False
-        if self.metadata_mask !=  other.metadata_mask: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'metadata: ' + str(self.metadata) + '\n'
-        outstr += prefix + 'metadata_mask: ' + str(self.metadata_mask) + '\n'
-        return outstr
-
-
-class ofp_flow_stats(object):
-    """Automatically generated Python class for ofp_flow_stats
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.length = 0
-        self.table_id = 0
-        self.pad = 0
-        self.duration_sec = 0
-        self.duration_nsec = 0
-        self.priority = 0x8000
-        self.idle_timeout = 0
-        self.hard_timeout = 0
-        self.pad2= [0,0,0,0,0,0]
-        self.cookie = 0
-        self.packet_count = 0
-        self.byte_count = 0
-        self.match = ofp_match()
-        self.match.length = OFP_MATCH_BYTES
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 6):
-            return (False, "self.pad2 is not of size 6 as expected.")
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HBBLLHHH", self.length, self.table_id, self.pad, self.duration_sec, self.duration_nsec, self.priority, self.idle_timeout, self.hard_timeout)
-        packed += struct.pack("!BBBBBB", self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3], self.pad2[4], self.pad2[5])
-        packed += struct.pack("!QQQ", self.cookie, self.packet_count, self.byte_count)
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 136):
-            return binaryString
-        fmt = '!HBBLLHHH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.length, self.table_id, self.pad, self.duration_sec, self.duration_nsec, self.priority, self.idle_timeout, self.hard_timeout) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 18
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3], self.pad2[4], self.pad2[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQQ'
-        start = 24
-        end = start + struct.calcsize(fmt)
-        (self.cookie, self.packet_count, self.byte_count) = struct.unpack(fmt,  binaryString[start:end])
-        self.match.unpack(binaryString[48:])
-        return binaryString[136:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 136
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.length !=  other.length: return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        if self.duration_sec !=  other.duration_sec: return False
-        if self.duration_nsec !=  other.duration_nsec: return False
-        if self.priority !=  other.priority: return False
-        if self.idle_timeout !=  other.idle_timeout: return False
-        if self.hard_timeout !=  other.hard_timeout: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.cookie !=  other.cookie: return False
-        if self.packet_count !=  other.packet_count: return False
-        if self.byte_count !=  other.byte_count: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'length: ' + str(self.length) + '\n'
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'duration_sec: ' + str(self.duration_sec) + '\n'
-        outstr += prefix + 'duration_nsec: ' + str(self.duration_nsec) + '\n'
-        outstr += prefix + 'priority: ' + str(self.priority) + '\n'
-        outstr += prefix + 'idle_timeout: ' + str(self.idle_timeout) + '\n'
-        outstr += prefix + 'hard_timeout: ' + str(self.hard_timeout) + '\n'
-        outstr += prefix + 'cookie: ' + str(self.cookie) + '\n'
-        outstr += prefix + 'packet_count: ' + str(self.packet_count) + '\n'
-        outstr += prefix + 'byte_count: ' + str(self.byte_count) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_action_mpls_label(object):
-    """Automatically generated Python class for ofp_action_mpls_label
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.mpls_label = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHL", self.type, self.len, self.mpls_label)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.mpls_label) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.mpls_label !=  other.mpls_label: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'mpls_label: ' + str(self.mpls_label) + '\n'
-        return outstr
-
-
-class ofp_flow_stats_request(object):
-    """Automatically generated Python class for ofp_flow_stats_request
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.table_id = 0
-        self.pad= [0,0,0]
-        self.out_port = 0
-        self.out_group = 0
-        self.pad2= [0,0,0,0]
-        self.cookie = 0
-        self.cookie_mask = 0
-        self.match = ofp_match()
-        self.match.length = OFP_MATCH_BYTES
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 4):
-            return (False, "self.pad2 is not of size 4 as expected.")
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!B", self.table_id)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        packed += struct.pack("!LL", self.out_port, self.out_group)
-        packed += struct.pack("!BBBB", self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3])
-        packed += struct.pack("!QQ", self.cookie, self.cookie_mask)
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 120):
-            return binaryString
-        fmt = '!B'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.table_id,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBB'
-        start = 1
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LL'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.out_port, self.out_group) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 12
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQ'
-        start = 16
-        end = start + struct.calcsize(fmt)
-        (self.cookie, self.cookie_mask) = struct.unpack(fmt,  binaryString[start:end])
-        self.match.unpack(binaryString[32:])
-        return binaryString[120:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 120
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        if self.out_port !=  other.out_port: return False
-        if self.out_group !=  other.out_group: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.cookie !=  other.cookie: return False
-        if self.cookie_mask !=  other.cookie_mask: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'out_port: ' + str(self.out_port) + '\n'
-        outstr += prefix + 'out_group: ' + str(self.out_group) + '\n'
-        outstr += prefix + 'cookie: ' + str(self.cookie) + '\n'
-        outstr += prefix + 'cookie_mask: ' + str(self.cookie_mask) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_header(object):
-    """Automatically generated Python class for ofp_header
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.version = 0x02
-        self.type = 0
-        self.length = 0
-        self.xid = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if (not (self.type in ofp_type_map.keys())):
-            return (False, "type must have values from ofp_type_map.keys()")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!BBHL", self.version, self.type, self.length, self.xid)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!BBHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.version, self.type, self.length, self.xid) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.version !=  other.version: return False
-        if self.type !=  other.type: return False
-        if self.length !=  other.length: return False
-        if self.xid !=  other.xid: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'version: ' + str(self.version) + '\n'
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'length: ' + str(self.length) + '\n'
-        outstr += prefix + 'xid: ' + str(self.xid) + '\n'
-        return outstr
-
-
-class ofp_stats_reply(object):
-    """Automatically generated Python class for ofp_stats_reply
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.flags = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.flags)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 4):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.flags) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[4:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 4
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.flags !=  other.flags: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'flags: ' + str(self.flags) + '\n'
-        return outstr
-
-
-class ofp_queue_stats_request(object):
-    """Automatically generated Python class for ofp_queue_stats_request
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.queue_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LL", self.port_no, self.queue_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!LL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no, self.queue_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.queue_id !=  other.queue_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        outstr += prefix + 'queue_id: ' + str(self.queue_id) + '\n'
-        return outstr
-
-
-class ofp_desc_stats(object):
-    """Automatically generated Python class for ofp_desc_stats
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.mfr_desc= ""
-        self.hw_desc= ""
-        self.sw_desc= ""
-        self.serial_num= ""
-        self.dp_desc= ""
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.mfr_desc, str)):
-            return (False, "self.mfr_desc is not string as expected.")
-        if(len(self.mfr_desc) > 256):
-            return (False, "self.mfr_desc is not of size 256 as expected.")
-        if(not isinstance(self.hw_desc, str)):
-            return (False, "self.hw_desc is not string as expected.")
-        if(len(self.hw_desc) > 256):
-            return (False, "self.hw_desc is not of size 256 as expected.")
-        if(not isinstance(self.sw_desc, str)):
-            return (False, "self.sw_desc is not string as expected.")
-        if(len(self.sw_desc) > 256):
-            return (False, "self.sw_desc is not of size 256 as expected.")
-        if(not isinstance(self.serial_num, str)):
-            return (False, "self.serial_num is not string as expected.")
-        if(len(self.serial_num) > 32):
-            return (False, "self.serial_num is not of size 32 as expected.")
-        if(not isinstance(self.dp_desc, str)):
-            return (False, "self.dp_desc is not string as expected.")
-        if(len(self.dp_desc) > 256):
-            return (False, "self.dp_desc is not of size 256 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += self.mfr_desc.ljust(256,'\0')
-        packed += self.hw_desc.ljust(256,'\0')
-        packed += self.sw_desc.ljust(256,'\0')
-        packed += self.serial_num.ljust(32,'\0')
-        packed += self.dp_desc.ljust(256,'\0')
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 1056):
-            return binaryString
-        self.mfr_desc = binaryString[0:256].replace("\0","")
-        self.hw_desc = binaryString[256:512].replace("\0","")
-        self.sw_desc = binaryString[512:768].replace("\0","")
-        self.serial_num = binaryString[768:800].replace("\0","")
-        self.dp_desc = binaryString[800:1056].replace("\0","")
-        return binaryString[1056:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 1056
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.mfr_desc !=  other.mfr_desc: return False
-        if self.hw_desc !=  other.hw_desc: return False
-        if self.sw_desc !=  other.sw_desc: return False
-        if self.serial_num !=  other.serial_num: return False
-        if self.dp_desc !=  other.dp_desc: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'mfr_desc: ' + str(self.mfr_desc) + '\n'
-        outstr += prefix + 'hw_desc: ' + str(self.hw_desc) + '\n'
-        outstr += prefix + 'sw_desc: ' + str(self.sw_desc) + '\n'
-        outstr += prefix + 'serial_num: ' + str(self.serial_num) + '\n'
-        outstr += prefix + 'dp_desc: ' + str(self.dp_desc) + '\n'
-        return outstr
-
-
-class ofp_match(object):
-    """Automatically generated Python class for ofp_match
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.length = 0
-        self.in_port = 0
-        self.wildcards = 0
-        self.dl_src= [0,0,0,0,0,0]
-        self.dl_src_mask= [0,0,0,0,0,0]
-        self.dl_dst= [0,0,0,0,0,0]
-        self.dl_dst_mask= [0,0,0,0,0,0]
-        self.dl_vlan = 0
-        self.dl_vlan_pcp = 0
-        self.pad1 = 0
-        self.dl_type = 0
-        self.nw_tos = 0
-        self.nw_proto = 0
-        self.nw_src = 0
-        self.nw_src_mask = 0
-        self.nw_dst = 0
-        self.nw_dst_mask = 0
-        self.tp_src = 0
-        self.tp_dst = 0
-        self.mpls_label = 0
-        self.mpls_tc = 0
-        self.pad2= [0,0,0]
-        self.metadata = 0
-        self.metadata_mask = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.dl_src, list)):
-            return (False, "self.dl_src is not list as expected.")
-        if(len(self.dl_src) != 6):
-            return (False, "self.dl_src is not of size 6 as expected.")
-        if(not isinstance(self.dl_src_mask, list)):
-            return (False, "self.dl_src_mask is not list as expected.")
-        if(len(self.dl_src_mask) != 6):
-            return (False, "self.dl_src_mask is not of size 6 as expected.")
-        if(not isinstance(self.dl_dst, list)):
-            return (False, "self.dl_dst is not list as expected.")
-        if(len(self.dl_dst) != 6):
-            return (False, "self.dl_dst is not of size 6 as expected.")
-        if(not isinstance(self.dl_dst_mask, list)):
-            return (False, "self.dl_dst_mask is not list as expected.")
-        if(len(self.dl_dst_mask) != 6):
-            return (False, "self.dl_dst_mask is not of size 6 as expected.")
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 3):
-            return (False, "self.pad2 is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHLL", self.type, self.length, self.in_port, self.wildcards)
-        packed += struct.pack("!BBBBBB", self.dl_src[0], self.dl_src[1], self.dl_src[2], self.dl_src[3], self.dl_src[4], self.dl_src[5])
-        packed += struct.pack("!BBBBBB", self.dl_src_mask[0], self.dl_src_mask[1], self.dl_src_mask[2], self.dl_src_mask[3], self.dl_src_mask[4], self.dl_src_mask[5])
-        packed += struct.pack("!BBBBBB", self.dl_dst[0], self.dl_dst[1], self.dl_dst[2], self.dl_dst[3], self.dl_dst[4], self.dl_dst[5])
-        packed += struct.pack("!BBBBBB", self.dl_dst_mask[0], self.dl_dst_mask[1], self.dl_dst_mask[2], self.dl_dst_mask[3], self.dl_dst_mask[4], self.dl_dst_mask[5])
-        packed += struct.pack("!HBBHBBLLLLHHLB", self.dl_vlan, self.dl_vlan_pcp, self.pad1, self.dl_type, self.nw_tos, self.nw_proto, self.nw_src, self.nw_src_mask, self.nw_dst, self.nw_dst_mask, self.tp_src, self.tp_dst, self.mpls_label, self.mpls_tc)
-        packed += struct.pack("!BBB", self.pad2[0], self.pad2[1], self.pad2[2])
-        packed += struct.pack("!QQ", self.metadata, self.metadata_mask)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 88):
-            return binaryString
-        fmt = '!HHLL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.length, self.in_port, self.wildcards) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 12
-        end = start + struct.calcsize(fmt)
-        (self.dl_src[0], self.dl_src[1], self.dl_src[2], self.dl_src[3], self.dl_src[4], self.dl_src[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 18
-        end = start + struct.calcsize(fmt)
-        (self.dl_src_mask[0], self.dl_src_mask[1], self.dl_src_mask[2], self.dl_src_mask[3], self.dl_src_mask[4], self.dl_src_mask[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 24
-        end = start + struct.calcsize(fmt)
-        (self.dl_dst[0], self.dl_dst[1], self.dl_dst[2], self.dl_dst[3], self.dl_dst[4], self.dl_dst[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 30
-        end = start + struct.calcsize(fmt)
-        (self.dl_dst_mask[0], self.dl_dst_mask[1], self.dl_dst_mask[2], self.dl_dst_mask[3], self.dl_dst_mask[4], self.dl_dst_mask[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!HBBHBBLLLLHHLB'
-        start = 36
-        end = start + struct.calcsize(fmt)
-        (self.dl_vlan, self.dl_vlan_pcp, self.pad1, self.dl_type, self.nw_tos, self.nw_proto, self.nw_src, self.nw_src_mask, self.nw_dst, self.nw_dst_mask, self.tp_src, self.tp_dst, self.mpls_label, self.mpls_tc) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 69
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1], self.pad2[2]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQ'
-        start = 72
-        end = start + struct.calcsize(fmt)
-        (self.metadata, self.metadata_mask) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[88:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 88
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.length !=  other.length: return False
-        if self.in_port !=  other.in_port: return False
-        if self.wildcards !=  other.wildcards: return False
-        if self.dl_src !=  other.dl_src: return False
-        if self.dl_src_mask !=  other.dl_src_mask: return False
-        if self.dl_dst !=  other.dl_dst: return False
-        if self.dl_dst_mask !=  other.dl_dst_mask: return False
-        if self.dl_vlan !=  other.dl_vlan: return False
-        if self.dl_vlan_pcp !=  other.dl_vlan_pcp: return False
-        if self.pad1 !=  other.pad1: return False
-        if self.dl_type !=  other.dl_type: return False
-        if self.nw_tos !=  other.nw_tos: return False
-        if self.nw_proto !=  other.nw_proto: return False
-        if self.nw_src !=  other.nw_src: return False
-        if self.nw_src_mask !=  other.nw_src_mask: return False
-        if self.nw_dst !=  other.nw_dst: return False
-        if self.nw_dst_mask !=  other.nw_dst_mask: return False
-        if self.tp_src !=  other.tp_src: return False
-        if self.tp_dst !=  other.tp_dst: return False
-        if self.mpls_label !=  other.mpls_label: return False
-        if self.mpls_tc !=  other.mpls_tc: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.metadata !=  other.metadata: return False
-        if self.metadata_mask !=  other.metadata_mask: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'length: ' + str(self.length) + '\n'
-        outstr += prefix + 'in_port: ' + str(self.in_port) + '\n'
-        outstr += prefix + 'wildcards: ' + str(self.wildcards) + '\n'
-        outstr += prefix + 'dl_src: ' + str(self.dl_src) + '\n'
-        outstr += prefix + 'dl_src_mask: ' + str(self.dl_src_mask) + '\n'
-        outstr += prefix + 'dl_dst: ' + str(self.dl_dst) + '\n'
-        outstr += prefix + 'dl_dst_mask: ' + str(self.dl_dst_mask) + '\n'
-        outstr += prefix + 'dl_vlan: ' + str(self.dl_vlan) + '\n'
-        outstr += prefix + 'dl_vlan_pcp: ' + str(self.dl_vlan_pcp) + '\n'
-        outstr += prefix + 'dl_type: ' + str(self.dl_type) + '\n'
-        outstr += prefix + 'nw_tos: ' + str(self.nw_tos) + '\n'
-        outstr += prefix + 'nw_proto: ' + str(self.nw_proto) + '\n'
-        outstr += prefix + 'nw_src: ' + str(self.nw_src) + '\n'
-        outstr += prefix + 'nw_src_mask: ' + str(self.nw_src_mask) + '\n'
-        outstr += prefix + 'nw_dst: ' + str(self.nw_dst) + '\n'
-        outstr += prefix + 'nw_dst_mask: ' + str(self.nw_dst_mask) + '\n'
-        outstr += prefix + 'tp_src: ' + str(self.tp_src) + '\n'
-        outstr += prefix + 'tp_dst: ' + str(self.tp_dst) + '\n'
-        outstr += prefix + 'mpls_label: ' + str(self.mpls_label) + '\n'
-        outstr += prefix + 'mpls_tc: ' + str(self.mpls_tc) + '\n'
-        outstr += prefix + 'metadata: ' + str(self.metadata) + '\n'
-        outstr += prefix + 'metadata_mask: ' + str(self.metadata_mask) + '\n'
-        return outstr
-
-
-class ofp_port_stats(object):
-    """Automatically generated Python class for ofp_port_stats
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.pad= [0,0,0,0]
-        self.rx_packets = 0
-        self.tx_packets = 0
-        self.rx_bytes = 0
-        self.tx_bytes = 0
-        self.rx_dropped = 0
-        self.tx_dropped = 0
-        self.rx_errors = 0
-        self.tx_errors = 0
-        self.rx_frame_err = 0
-        self.rx_over_err = 0
-        self.rx_crc_err = 0
-        self.collisions = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port_no)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        packed += struct.pack("!QQQQQQQQQQQQ", self.rx_packets, self.tx_packets, self.rx_bytes, self.tx_bytes, self.rx_dropped, self.tx_dropped, self.rx_errors, self.tx_errors, self.rx_frame_err, self.rx_over_err, self.rx_crc_err, self.collisions)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 104):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQQQQQQQQQQQ'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.rx_packets, self.tx_packets, self.rx_bytes, self.tx_bytes, self.rx_dropped, self.tx_dropped, self.rx_errors, self.tx_errors, self.rx_frame_err, self.rx_over_err, self.rx_crc_err, self.collisions) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[104:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 104
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.pad !=  other.pad: return False
-        if self.rx_packets !=  other.rx_packets: return False
-        if self.tx_packets !=  other.tx_packets: return False
-        if self.rx_bytes !=  other.rx_bytes: return False
-        if self.tx_bytes !=  other.tx_bytes: return False
-        if self.rx_dropped !=  other.rx_dropped: return False
-        if self.tx_dropped !=  other.tx_dropped: return False
-        if self.rx_errors !=  other.rx_errors: return False
-        if self.tx_errors !=  other.tx_errors: return False
-        if self.rx_frame_err !=  other.rx_frame_err: return False
-        if self.rx_over_err !=  other.rx_over_err: return False
-        if self.rx_crc_err !=  other.rx_crc_err: return False
-        if self.collisions !=  other.collisions: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        outstr += prefix + 'rx_packets: ' + str(self.rx_packets) + '\n'
-        outstr += prefix + 'tx_packets: ' + str(self.tx_packets) + '\n'
-        outstr += prefix + 'rx_bytes: ' + str(self.rx_bytes) + '\n'
-        outstr += prefix + 'tx_bytes: ' + str(self.tx_bytes) + '\n'
-        outstr += prefix + 'rx_dropped: ' + str(self.rx_dropped) + '\n'
-        outstr += prefix + 'tx_dropped: ' + str(self.tx_dropped) + '\n'
-        outstr += prefix + 'rx_errors: ' + str(self.rx_errors) + '\n'
-        outstr += prefix + 'tx_errors: ' + str(self.tx_errors) + '\n'
-        outstr += prefix + 'rx_frame_err: ' + str(self.rx_frame_err) + '\n'
-        outstr += prefix + 'rx_over_err: ' + str(self.rx_over_err) + '\n'
-        outstr += prefix + 'rx_crc_err: ' + str(self.rx_crc_err) + '\n'
-        outstr += prefix + 'collisions: ' + str(self.collisions) + '\n'
-        return outstr
-
-
-class ofp_packet_queue(object):
-    """Automatically generated Python class for ofp_packet_queue
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.queue_id = 0
-        self.len = 0
-        self.pad= [0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LH", self.queue_id, self.len)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!LH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.queue_id, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 6
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.queue_id !=  other.queue_id: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'queue_id: ' + str(self.queue_id) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        return outstr
-
-
-class ofp_port(object):
-    """Automatically generated Python class for ofp_port
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.pad= [0,0,0,0]
-        self.hw_addr= [0,0,0,0,0,0]
-        self.pad2= [0,0]
-        self.name= ""
-        self.config = 0
-        self.state = 0
-        self.curr = 0
-        self.advertised = 0
-        self.supported = 0
-        self.peer = 0
-        self.curr_speed = 0
-        self.max_speed = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        if(not isinstance(self.hw_addr, list)):
-            return (False, "self.hw_addr is not list as expected.")
-        if(len(self.hw_addr) != 6):
-            return (False, "self.hw_addr is not of size 6 as expected.")
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 2):
-            return (False, "self.pad2 is not of size 2 as expected.")
-        if(not isinstance(self.name, str)):
-            return (False, "self.name is not string as expected.")
-        if(len(self.name) > 16):
-            return (False, "self.name is not of size 16 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port_no)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        packed += struct.pack("!BBBBBB", self.hw_addr[0], self.hw_addr[1], self.hw_addr[2], self.hw_addr[3], self.hw_addr[4], self.hw_addr[5])
-        packed += struct.pack("!BB", self.pad2[0], self.pad2[1])
-        packed += self.name.ljust(16,'\0')
-        packed += struct.pack("!LLLLLLLL", self.config, self.state, self.curr, self.advertised, self.supported, self.peer, self.curr_speed, self.max_speed)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 64):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.hw_addr[0], self.hw_addr[1], self.hw_addr[2], self.hw_addr[3], self.hw_addr[4], self.hw_addr[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BB'
-        start = 14
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1]) = struct.unpack(fmt, binaryString[start:end])
-        self.name = binaryString[16:32].replace("\0","")
-        fmt = '!LLLLLLLL'
-        start = 32
-        end = start + struct.calcsize(fmt)
-        (self.config, self.state, self.curr, self.advertised, self.supported, self.peer, self.curr_speed, self.max_speed) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[64:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 64
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.pad !=  other.pad: return False
-        if self.hw_addr !=  other.hw_addr: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.name !=  other.name: return False
-        if self.config !=  other.config: return False
-        if self.state !=  other.state: return False
-        if self.curr !=  other.curr: return False
-        if self.advertised !=  other.advertised: return False
-        if self.supported !=  other.supported: return False
-        if self.peer !=  other.peer: return False
-        if self.curr_speed !=  other.curr_speed: return False
-        if self.max_speed !=  other.max_speed: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        outstr += prefix + 'hw_addr: ' + str(self.hw_addr) + '\n'
-        outstr += prefix + 'name: ' + str(self.name) + '\n'
-        outstr += prefix + 'config: ' + str(self.config) + '\n'
-        outstr += prefix + 'state: ' + str(self.state) + '\n'
-        outstr += prefix + 'curr: ' + str(self.curr) + '\n'
-        outstr += prefix + 'advertised: ' + str(self.advertised) + '\n'
-        outstr += prefix + 'supported: ' + str(self.supported) + '\n'
-        outstr += prefix + 'peer: ' + str(self.peer) + '\n'
-        outstr += prefix + 'curr_speed: ' + str(self.curr_speed) + '\n'
-        outstr += prefix + 'max_speed: ' + str(self.max_speed) + '\n'
-        return outstr
-
-
-class ofp_action_dl_addr(object):
-    """Automatically generated Python class for ofp_action_dl_addr
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.dl_addr= [0,0,0,0,0,0]
-        self.pad= [0,0,0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.dl_addr, list)):
-            return (False, "self.dl_addr is not list as expected.")
-        if(len(self.dl_addr) != 6):
-            return (False, "self.dl_addr is not of size 6 as expected.")
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 6):
-            return (False, "self.pad is not of size 6 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.len)
-        packed += struct.pack("!BBBBBB", self.dl_addr[0], self.dl_addr[1], self.dl_addr[2], self.dl_addr[3], self.dl_addr[4], self.dl_addr[5])
-        packed += struct.pack("!BBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.dl_addr[0], self.dl_addr[1], self.dl_addr[2], self.dl_addr[3], self.dl_addr[4], self.dl_addr[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 10
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.dl_addr !=  other.dl_addr: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'dl_addr: ' + str(self.dl_addr) + '\n'
-        return outstr
-
-
-class ofp_bucket_counter(object):
-    """Automatically generated Python class for ofp_bucket_counter
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.packet_count = 0
-        self.byte_count = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!QQ", self.packet_count, self.byte_count)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!QQ'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.packet_count, self.byte_count) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.packet_count !=  other.packet_count: return False
-        if self.byte_count !=  other.byte_count: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'packet_count: ' + str(self.packet_count) + '\n'
-        outstr += prefix + 'byte_count: ' + str(self.byte_count) + '\n'
-        return outstr
-
-
-class ofp_queue_prop_min_rate(object):
-    """Automatically generated Python class for ofp_queue_prop_min_rate
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.prop_header = ofp_queue_prop_header()
-        self.rate = 0
-        self.pad= [0,0,0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.prop_header, ofp_queue_prop_header)):
-            return (False, "self.prop_header is not class ofp_queue_prop_header as expected.")
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 6):
-            return (False, "self.pad is not of size 6 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += self.prop_header.pack()
-        packed += struct.pack("!H", self.rate)
-        packed += struct.pack("!BBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        self.prop_header.unpack(binaryString[0:])
-        fmt = '!H'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.rate,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 10
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.prop_header !=  other.prop_header: return False
-        if self.rate !=  other.rate: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'prop_header: \n' 
-        outstr += self.prop_header.show(prefix + '  ')
-        outstr += prefix + 'rate: ' + str(self.rate) + '\n'
-        return outstr
-
-
-class ofp_bucket(object):
-    """Automatically generated Python class for ofp_bucket
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.len = 0
-        self.weight = 0
-        self.watch_port = 0
-        self.watch_group = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHLL", self.len, self.weight, self.watch_port, self.watch_group)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!HHLL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.len, self.weight, self.watch_port, self.watch_group) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 12
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.len !=  other.len: return False
-        if self.weight !=  other.weight: return False
-        if self.watch_port !=  other.watch_port: return False
-        if self.watch_group !=  other.watch_group: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'weight: ' + str(self.weight) + '\n'
-        outstr += prefix + 'watch_port: ' + str(self.watch_port) + '\n'
-        outstr += prefix + 'watch_group: ' + str(self.watch_group) + '\n'
-        return outstr
-
-
-class ofp_switch_features(object):
-    """Automatically generated Python class for ofp_switch_features
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.datapath_id = 0
-        self.n_buffers = 0
-        self.n_tables = 0
-        self.pad= [0,0,0]
-        self.capabilities = 0
-        self.reserved = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!QLB", self.datapath_id, self.n_buffers, self.n_tables)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        packed += struct.pack("!LL", self.capabilities, self.reserved)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 24):
-            return binaryString
-        fmt = '!QLB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.datapath_id, self.n_buffers, self.n_tables) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 13
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LL'
-        start = 16
-        end = start + struct.calcsize(fmt)
-        (self.capabilities, self.reserved) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[24:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 24
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.datapath_id !=  other.datapath_id: return False
-        if self.n_buffers !=  other.n_buffers: return False
-        if self.n_tables !=  other.n_tables: return False
-        if self.pad !=  other.pad: return False
-        if self.capabilities !=  other.capabilities: return False
-        if self.reserved !=  other.reserved: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'datapath_id: ' + str(self.datapath_id) + '\n'
-        outstr += prefix + 'n_buffers: ' + str(self.n_buffers) + '\n'
-        outstr += prefix + 'n_tables: ' + str(self.n_tables) + '\n'
-        outstr += prefix + 'capabilities: ' + str(self.capabilities) + '\n'
-        outstr += prefix + 'reserved: ' + str(self.reserved) + '\n'
-        return outstr
-
-
-class ofp_action_pop_mpls(object):
-    """Automatically generated Python class for ofp_action_pop_mpls
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.ethertype = 0
-        self.pad= [0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHH", self.type, self.len, self.ethertype)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.ethertype) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 6
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.ethertype !=  other.ethertype: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'ethertype: ' + str(self.ethertype) + '\n'
-        return outstr
-
-
-class ofp_flow_mod(object):
-    """Automatically generated Python class for ofp_flow_mod
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.cookie = 0
-        self.cookie_mask = 0
-        self.table_id = 0
-        self.command = 0
-        self.idle_timeout = 0
-        self.hard_timeout = 0
-        self.priority = 0x8000
-        self.buffer_id = 0
-        self.out_port = 0
-        self.out_group = 0
-        self.flags = 0
-        self.pad= [0,0]
-        self.match = ofp_match()
-        self.match.length = OFP_MATCH_BYTES
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!QQBBHHHLLLH", self.cookie, self.cookie_mask, self.table_id, self.command, self.idle_timeout, self.hard_timeout, self.priority, self.buffer_id, self.out_port, self.out_group, self.flags)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 128):
-            return binaryString
-        fmt = '!QQBBHHHLLLH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.cookie, self.cookie_mask, self.table_id, self.command, self.idle_timeout, self.hard_timeout, self.priority, self.buffer_id, self.out_port, self.out_group, self.flags) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 38
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        self.match.unpack(binaryString[40:])
-        return binaryString[128:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 128
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.cookie !=  other.cookie: return False
-        if self.cookie_mask !=  other.cookie_mask: return False
-        if self.table_id !=  other.table_id: return False
-        if self.command !=  other.command: return False
-        if self.idle_timeout !=  other.idle_timeout: return False
-        if self.hard_timeout !=  other.hard_timeout: return False
-        if self.priority !=  other.priority: return False
-        if self.buffer_id !=  other.buffer_id: return False
-        if self.out_port !=  other.out_port: return False
-        if self.out_group !=  other.out_group: return False
-        if self.flags !=  other.flags: return False
-        if self.pad !=  other.pad: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'cookie: ' + str(self.cookie) + '\n'
-        outstr += prefix + 'cookie_mask: ' + str(self.cookie_mask) + '\n'
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'command: ' + str(self.command) + '\n'
-        outstr += prefix + 'idle_timeout: ' + str(self.idle_timeout) + '\n'
-        outstr += prefix + 'hard_timeout: ' + str(self.hard_timeout) + '\n'
-        outstr += prefix + 'priority: ' + str(self.priority) + '\n'
-        outstr += prefix + 'buffer_id: ' + str(self.buffer_id) + '\n'
-        outstr += prefix + 'out_port: ' + str(self.out_port) + '\n'
-        outstr += prefix + 'out_group: ' + str(self.out_group) + '\n'
-        outstr += prefix + 'flags: ' + str(self.flags) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_packet_out(object):
-    """Automatically generated Python class for ofp_packet_out
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.buffer_id = 4294967295
-        self.in_port = 0
-        self.actions_len = 0
-        self.pad= [0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LLH", self.buffer_id, self.in_port, self.actions_len)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 12):
-            return binaryString
-        fmt = '!LLH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.buffer_id, self.in_port, self.actions_len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 10
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[12:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 12
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.buffer_id !=  other.buffer_id: return False
-        if self.in_port !=  other.in_port: return False
-        if self.actions_len !=  other.actions_len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'buffer_id: ' + str(self.buffer_id) + '\n'
-        outstr += prefix + 'in_port: ' + str(self.in_port) + '\n'
-        outstr += prefix + 'actions_len: ' + str(self.actions_len) + '\n'
-        return outstr
-
-
-class ofp_instruction_goto_table(object):
-    """Automatically generated Python class for ofp_instruction_goto_table
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.table_id = 0
-        self.pad= [0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHB", self.type, self.len, self.table_id)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.table_id) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 5
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        return outstr
-
-
-class ofp_action_nw_addr(object):
-    """Automatically generated Python class for ofp_action_nw_addr
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.nw_addr = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHL", self.type, self.len, self.nw_addr)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.nw_addr) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.nw_addr !=  other.nw_addr: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'nw_addr: ' + str(self.nw_addr) + '\n'
-        return outstr
-
-
-class ofp_action_group(object):
-    """Automatically generated Python class for ofp_action_group
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.group_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHL", self.type, self.len, self.group_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.group_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.group_id !=  other.group_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'group_id: ' + str(self.group_id) + '\n'
-        return outstr
-
-
-class ofp_group_stats(object):
-    """Automatically generated Python class for ofp_group_stats
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.length = 0
-        self.pad= [0,0]
-        self.group_id = 0
-        self.ref_count = 0
-        self.pad2= [0,0,0,0]
-        self.packet_count = 0
-        self.byte_count = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 4):
-            return (False, "self.pad2 is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!H", self.length)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        packed += struct.pack("!LL", self.group_id, self.ref_count)
-        packed += struct.pack("!BBBB", self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3])
-        packed += struct.pack("!QQ", self.packet_count, self.byte_count)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 32):
-            return binaryString
-        fmt = '!H'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.length,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BB'
-        start = 2
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LL'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.group_id, self.ref_count) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 12
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQ'
-        start = 16
-        end = start + struct.calcsize(fmt)
-        (self.packet_count, self.byte_count) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[32:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 32
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.length !=  other.length: return False
-        if self.pad !=  other.pad: return False
-        if self.group_id !=  other.group_id: return False
-        if self.ref_count !=  other.ref_count: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.packet_count !=  other.packet_count: return False
-        if self.byte_count !=  other.byte_count: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'length: ' + str(self.length) + '\n'
-        outstr += prefix + 'group_id: ' + str(self.group_id) + '\n'
-        outstr += prefix + 'ref_count: ' + str(self.ref_count) + '\n'
-        outstr += prefix + 'packet_count: ' + str(self.packet_count) + '\n'
-        outstr += prefix + 'byte_count: ' + str(self.byte_count) + '\n'
-        return outstr
-
-
-class ofp_action_vlan_pcp(object):
-    """Automatically generated Python class for ofp_action_vlan_pcp
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.vlan_pcp = 0
-        self.pad= [0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHB", self.type, self.len, self.vlan_pcp)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.vlan_pcp) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 5
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.vlan_pcp !=  other.vlan_pcp: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'vlan_pcp: ' + str(self.vlan_pcp) + '\n'
-        return outstr
-
-
-class ofp_action_push(object):
-    """Automatically generated Python class for ofp_action_push
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.ethertype = 0
-        self.pad= [0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHH", self.type, self.len, self.ethertype)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.ethertype) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 6
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.ethertype !=  other.ethertype: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'ethertype: ' + str(self.ethertype) + '\n'
-        return outstr
-
-
-class ofp_group_desc_stats(object):
-    """Automatically generated Python class for ofp_group_desc_stats
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.length = 0
-        self.type = 0
-        self.pad = 0
-        self.group_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HBBL", self.length, self.type, self.pad, self.group_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HBBL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.length, self.type, self.pad, self.group_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.length !=  other.length: return False
-        if self.type !=  other.type: return False
-        if self.pad !=  other.pad: return False
-        if self.group_id !=  other.group_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'length: ' + str(self.length) + '\n'
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'group_id: ' + str(self.group_id) + '\n'
-        return outstr
-
-
-class ofp_error_msg(object):
-    """Automatically generated Python class for ofp_error_msg
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.code = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.code)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 4):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.code) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[4:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 4
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.code !=  other.code: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'code: ' + str(self.code) + '\n'
-        return outstr
-
-
-class ofp_action_mpls_ttl(object):
-    """Automatically generated Python class for ofp_action_mpls_ttl
-
-    Date 2013-01-06
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.mpls_ttl = 0
-        self.pad= [0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHB", self.type, self.len, self.mpls_ttl)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.mpls_ttl) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 5
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.mpls_ttl !=  other.mpls_ttl: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'mpls_ttl: ' + str(self.mpls_ttl) + '\n'
-        return outstr
-
-
-# Enumerated type definitions
-ofp_error_type = ['OFPET_HELLO_FAILED', 'OFPET_BAD_REQUEST', 'OFPET_BAD_ACTION', 'OFPET_FLOW_MOD_FAILED', 'OFPET_GROUP_MOD_FAILED', 'OFPET_PORT_MOD_FAILED', 'OFPET_TABLE_MOD_FAILED', 'OFPET_QUEUE_OP_FAILED', 'OFPET_SWITCH_CONFIG_FAILED']
-OFPET_HELLO_FAILED                  = 0
-OFPET_BAD_REQUEST                   = 1
-OFPET_BAD_ACTION                    = 2
-OFPET_FLOW_MOD_FAILED               = 3
-OFPET_GROUP_MOD_FAILED              = 4
-OFPET_PORT_MOD_FAILED               = 5
-OFPET_TABLE_MOD_FAILED              = 6
-OFPET_QUEUE_OP_FAILED               = 7
-OFPET_SWITCH_CONFIG_FAILED          = 8
-ofp_error_type_map = {
-    0                               : 'OFPET_HELLO_FAILED',
-    1                               : 'OFPET_BAD_REQUEST',
-    2                               : 'OFPET_BAD_ACTION',
-    3                               : 'OFPET_FLOW_MOD_FAILED',
-    4                               : 'OFPET_GROUP_MOD_FAILED',
-    5                               : 'OFPET_PORT_MOD_FAILED',
-    6                               : 'OFPET_TABLE_MOD_FAILED',
-    7                               : 'OFPET_QUEUE_OP_FAILED',
-    8                               : 'OFPET_SWITCH_CONFIG_FAILED'
-}
-
-ofp_flow_mod_flags = ['OFPFF_SEND_FLOW_REM', 'OFPFF_CHECK_OVERLAP']
-OFPFF_SEND_FLOW_REM                 = 1
-OFPFF_CHECK_OVERLAP                 = 2
-ofp_flow_mod_flags_map = {
-    1                               : 'OFPFF_SEND_FLOW_REM',
-    2                               : 'OFPFF_CHECK_OVERLAP'
-}
-
-ofp_stats_reply_flags = ['OFPSF_REPLY_MORE']
-OFPSF_REPLY_MORE                    = 1
-ofp_stats_reply_flags_map = {
-    1                               : 'OFPSF_REPLY_MORE'
-}
-
-ofp_port_no = ['OFPP_MAX', 'OFPP_IN_PORT', 'OFPP_TABLE', 'OFPP_NORMAL', 'OFPP_FLOOD', 'OFPP_ALL', 'OFPP_CONTROLLER', 'OFPP_LOCAL', 'OFPP_ANY']
-OFPP_MAX                            = 4294967040
-OFPP_IN_PORT                        = 4294967288
-OFPP_TABLE                          = 4294967289
-OFPP_NORMAL                         = 4294967290
-OFPP_FLOOD                          = 4294967291
-OFPP_ALL                            = 4294967292
-OFPP_CONTROLLER                     = 4294967293
-OFPP_LOCAL                          = 4294967294
-OFPP_ANY                            = 4294967295
-ofp_port_no_map = {
-    4294967040                      : 'OFPP_MAX',
-    4294967288                      : 'OFPP_IN_PORT',
-    4294967289                      : 'OFPP_TABLE',
-    4294967290                      : 'OFPP_NORMAL',
-    4294967291                      : 'OFPP_FLOOD',
-    4294967292                      : 'OFPP_ALL',
-    4294967293                      : 'OFPP_CONTROLLER',
-    4294967294                      : 'OFPP_LOCAL',
-    4294967295                      : 'OFPP_ANY'
-}
-
-ofp_flow_match_fields = ['OFPFMF_IN_PORT', 'OFPFMF_DL_VLAN', 'OFPFMF_DL_VLAN_PCP', 'OFPFMF_DL_TYPE', 'OFPFMF_NW_TOS', 'OFPFMF_NW_PROTO', 'OFPFMF_TP_SRC', 'OFPFMF_TP_DST', 'OFPFMF_MPLS_LABEL', 'OFPFMF_MPLS_TC', 'OFPFMF_TYPE', 'OFPFMF_DL_SRC', 'OFPFMF_DL_DST', 'OFPFMF_NW_SRC', 'OFPFMF_NW_DST', 'OFPFMF_METADATA']
-OFPFMF_IN_PORT                      = 1
-OFPFMF_DL_VLAN                      = 2
-OFPFMF_DL_VLAN_PCP                  = 4
-OFPFMF_DL_TYPE                      = 8
-OFPFMF_NW_TOS                       = 16
-OFPFMF_NW_PROTO                     = 32
-OFPFMF_TP_SRC                       = 64
-OFPFMF_TP_DST                       = 128
-OFPFMF_MPLS_LABEL                   = 256
-OFPFMF_MPLS_TC                      = 512
-OFPFMF_TYPE                         = 1024
-OFPFMF_DL_SRC                       = 2048
-OFPFMF_DL_DST                       = 4096
-OFPFMF_NW_SRC                       = 8192
-OFPFMF_NW_DST                       = 16384
-OFPFMF_METADATA                     = 32768
-ofp_flow_match_fields_map = {
-    1                               : 'OFPFMF_IN_PORT',
-    2                               : 'OFPFMF_DL_VLAN',
-    4                               : 'OFPFMF_DL_VLAN_PCP',
-    8                               : 'OFPFMF_DL_TYPE',
-    16                              : 'OFPFMF_NW_TOS',
-    32                              : 'OFPFMF_NW_PROTO',
-    64                              : 'OFPFMF_TP_SRC',
-    128                             : 'OFPFMF_TP_DST',
-    256                             : 'OFPFMF_MPLS_LABEL',
-    512                             : 'OFPFMF_MPLS_TC',
-    1024                            : 'OFPFMF_TYPE',
-    2048                            : 'OFPFMF_DL_SRC',
-    4096                            : 'OFPFMF_DL_DST',
-    8192                            : 'OFPFMF_NW_SRC',
-    16384                           : 'OFPFMF_NW_DST',
-    32768                           : 'OFPFMF_METADATA'
-}
-
-ofp_bad_request_code = ['OFPBRC_BAD_VERSION', 'OFPBRC_BAD_TYPE', 'OFPBRC_BAD_STAT', 'OFPBRC_BAD_EXPERIMENTER', 'OFPBRC_BAD_SUBTYPE', 'OFPBRC_EPERM', 'OFPBRC_BAD_LEN', 'OFPBRC_BUFFER_EMPTY', 'OFPBRC_BUFFER_UNKNOWN', 'OFPBRC_BAD_TABLE_ID']
-OFPBRC_BAD_VERSION                  = 0
-OFPBRC_BAD_TYPE                     = 1
-OFPBRC_BAD_STAT                     = 2
-OFPBRC_BAD_EXPERIMENTER             = 3
-OFPBRC_BAD_SUBTYPE                  = 4
-OFPBRC_EPERM                        = 5
-OFPBRC_BAD_LEN                      = 6
-OFPBRC_BUFFER_EMPTY                 = 7
-OFPBRC_BUFFER_UNKNOWN               = 8
-OFPBRC_BAD_TABLE_ID                 = 9
-ofp_bad_request_code_map = {
-    0                               : 'OFPBRC_BAD_VERSION',
-    1                               : 'OFPBRC_BAD_TYPE',
-    2                               : 'OFPBRC_BAD_STAT',
-    3                               : 'OFPBRC_BAD_EXPERIMENTER',
-    4                               : 'OFPBRC_BAD_SUBTYPE',
-    5                               : 'OFPBRC_EPERM',
-    6                               : 'OFPBRC_BAD_LEN',
-    7                               : 'OFPBRC_BUFFER_EMPTY',
-    8                               : 'OFPBRC_BUFFER_UNKNOWN',
-    9                               : 'OFPBRC_BAD_TABLE_ID'
-}
-
-ofp_port_config = ['OFPPC_PORT_DOWN', 'OFPPC_NO_RECV', 'OFPPC_NO_FWD', 'OFPPC_NO_PACKET_IN']
-OFPPC_PORT_DOWN                     = 1
-OFPPC_NO_RECV                       = 4
-OFPPC_NO_FWD                        = 32
-OFPPC_NO_PACKET_IN                  = 64
-ofp_port_config_map = {
-    1                               : 'OFPPC_PORT_DOWN',
-    4                               : 'OFPPC_NO_RECV',
-    32                              : 'OFPPC_NO_FWD',
-    64                              : 'OFPPC_NO_PACKET_IN'
-}
-
-ofp_port_state = ['OFPPS_LINK_DOWN', 'OFPPS_BLOCKED', 'OFPPS_LIVE']
-OFPPS_LINK_DOWN                     = 1
-OFPPS_BLOCKED                       = 2
-OFPPS_LIVE                          = 4
-ofp_port_state_map = {
-    1                               : 'OFPPS_LINK_DOWN',
-    2                               : 'OFPPS_BLOCKED',
-    4                               : 'OFPPS_LIVE'
-}
-
-ofp_config_flags = ['OFPC_FRAG_NORMAL', 'OFPC_FRAG_DROP', 'OFPC_FRAG_REASM', 'OFPC_FRAG_MASK', 'OFPC_INVALID_TTL_TO_CONTROLLER']
-OFPC_FRAG_NORMAL                    = 0
-OFPC_FRAG_DROP                      = 1
-OFPC_FRAG_REASM                     = 2
-OFPC_FRAG_MASK                      = 3
-OFPC_INVALID_TTL_TO_CONTROLLER      = 4
-ofp_config_flags_map = {
-    0                               : 'OFPC_FRAG_NORMAL',
-    1                               : 'OFPC_FRAG_DROP',
-    2                               : 'OFPC_FRAG_REASM',
-    3                               : 'OFPC_FRAG_MASK',
-    4                               : 'OFPC_INVALID_TTL_TO_CONTROLLER'
-}
-
-ofp_switch_config_failed_code = ['OFPSCFC_BAD_FLAGS', 'OFPSCFC_BAD_LEN']
-OFPSCFC_BAD_FLAGS                   = 0
-OFPSCFC_BAD_LEN                     = 1
-ofp_switch_config_failed_code_map = {
-    0                               : 'OFPSCFC_BAD_FLAGS',
-    1                               : 'OFPSCFC_BAD_LEN'
-}
-
-ofp_hello_failed_code = ['OFPHFC_INCOMPATIBLE', 'OFPHFC_EPERM']
-OFPHFC_INCOMPATIBLE                 = 0
-OFPHFC_EPERM                        = 1
-ofp_hello_failed_code_map = {
-    0                               : 'OFPHFC_INCOMPATIBLE',
-    1                               : 'OFPHFC_EPERM'
-}
-
-ofp_capabilities = ['OFPC_FLOW_STATS', 'OFPC_TABLE_STATS', 'OFPC_PORT_STATS', 'OFPC_GROUP_STATS', 'OFPC_IP_REASM', 'OFPC_QUEUE_STATS', 'OFPC_ARP_MATCH_IP']
-OFPC_FLOW_STATS                     = 1
-OFPC_TABLE_STATS                    = 2
-OFPC_PORT_STATS                     = 4
-OFPC_GROUP_STATS                    = 8
-OFPC_IP_REASM                       = 32
-OFPC_QUEUE_STATS                    = 64
-OFPC_ARP_MATCH_IP                   = 128
-ofp_capabilities_map = {
-    1                               : 'OFPC_FLOW_STATS',
-    2                               : 'OFPC_TABLE_STATS',
-    4                               : 'OFPC_PORT_STATS',
-    8                               : 'OFPC_GROUP_STATS',
-    32                              : 'OFPC_IP_REASM',
-    64                              : 'OFPC_QUEUE_STATS',
-    128                             : 'OFPC_ARP_MATCH_IP'
-}
-
-ofp_flow_removed_reason = ['OFPRR_IDLE_TIMEOUT', 'OFPRR_HARD_TIMEOUT', 'OFPRR_DELETE', 'OFPRR_GROUP_DELETE']
-OFPRR_IDLE_TIMEOUT                  = 0
-OFPRR_HARD_TIMEOUT                  = 1
-OFPRR_DELETE                        = 2
-OFPRR_GROUP_DELETE                  = 3
-ofp_flow_removed_reason_map = {
-    0                               : 'OFPRR_IDLE_TIMEOUT',
-    1                               : 'OFPRR_HARD_TIMEOUT',
-    2                               : 'OFPRR_DELETE',
-    3                               : 'OFPRR_GROUP_DELETE'
-}
-
-ofp_table_mod_failed_code = ['OFPTMFC_BAD_TABLE', 'OFPTMFC_BAD_CONFIG']
-OFPTMFC_BAD_TABLE                   = 0
-OFPTMFC_BAD_CONFIG                  = 1
-ofp_table_mod_failed_code_map = {
-    0                               : 'OFPTMFC_BAD_TABLE',
-    1                               : 'OFPTMFC_BAD_CONFIG'
-}
-
-ofp_queue_properties = ['OFPQT_NONE', 'OFPQT_MIN_RATE']
-OFPQT_NONE                          = 0
-OFPQT_MIN_RATE                      = 0
-ofp_queue_properties_map = {
-    0                               : 'OFPQT_NONE',
-    0                               : 'OFPQT_MIN_RATE'
-}
-
-ofp_flow_wildcards = ['OFPFW_IN_PORT', 'OFPFW_DL_VLAN', 'OFPFW_DL_VLAN_PCP', 'OFPFW_DL_TYPE', 'OFPFW_NW_TOS', 'OFPFW_NW_PROTO', 'OFPFW_TP_SRC', 'OFPFW_TP_DST', 'OFPFW_MPLS_LABEL', 'OFPFW_MPLS_TC', 'OFPFW_ALL']
-OFPFW_IN_PORT                       = 1
-OFPFW_DL_VLAN                       = 2
-OFPFW_DL_VLAN_PCP                   = 4
-OFPFW_DL_TYPE                       = 8
-OFPFW_NW_TOS                        = 16
-OFPFW_NW_PROTO                      = 32
-OFPFW_TP_SRC                        = 64
-OFPFW_TP_DST                        = 128
-OFPFW_MPLS_LABEL                    = 256
-OFPFW_MPLS_TC                       = 512
-OFPFW_ALL                           = 1023
-ofp_flow_wildcards_map = {
-    1                               : 'OFPFW_IN_PORT',
-    2                               : 'OFPFW_DL_VLAN',
-    4                               : 'OFPFW_DL_VLAN_PCP',
-    8                               : 'OFPFW_DL_TYPE',
-    16                              : 'OFPFW_NW_TOS',
-    32                              : 'OFPFW_NW_PROTO',
-    64                              : 'OFPFW_TP_SRC',
-    128                             : 'OFPFW_TP_DST',
-    256                             : 'OFPFW_MPLS_LABEL',
-    512                             : 'OFPFW_MPLS_TC',
-    1023                            : 'OFPFW_ALL'
-}
-
-ofp_group = ['OFPG_MAX', 'OFPG_ALL', 'OFPG_ANY']
-OFPG_MAX                            = 4294967040
-OFPG_ALL                            = 4294967292
-OFPG_ANY                            = 4294967295
-ofp_group_map = {
-    4294967040                      : 'OFPG_MAX',
-    4294967292                      : 'OFPG_ALL',
-    4294967295                      : 'OFPG_ANY'
-}
-
-ofp_port_reason = ['OFPPR_ADD', 'OFPPR_DELETE', 'OFPPR_MODIFY']
-OFPPR_ADD                           = 0
-OFPPR_DELETE                        = 1
-OFPPR_MODIFY                        = 2
-ofp_port_reason_map = {
-    0                               : 'OFPPR_ADD',
-    1                               : 'OFPPR_DELETE',
-    2                               : 'OFPPR_MODIFY'
-}
-
-ofp_table_config = ['OFPTC_TABLE_MISS_CONTROLLER', 'OFPTC_TABLE_MISS_CONTINUE', 'OFPTC_TABLE_MISS_DROP', 'OFPTC_TABLE_MISS_MASK']
-OFPTC_TABLE_MISS_CONTROLLER         = 0
-OFPTC_TABLE_MISS_CONTINUE           = 1
-OFPTC_TABLE_MISS_DROP               = 2
-OFPTC_TABLE_MISS_MASK               = 3
-ofp_table_config_map = {
-    0                               : 'OFPTC_TABLE_MISS_CONTROLLER',
-    1                               : 'OFPTC_TABLE_MISS_CONTINUE',
-    2                               : 'OFPTC_TABLE_MISS_DROP',
-    3                               : 'OFPTC_TABLE_MISS_MASK'
-}
-
-ofp_action_type = ['OFPAT_OUTPUT', 'OFPAT_SET_VLAN_VID', 'OFPAT_SET_VLAN_PCP', 'OFPAT_SET_DL_SRC', 'OFPAT_SET_DL_DST', 'OFPAT_SET_NW_SRC', 'OFPAT_SET_NW_DST', 'OFPAT_SET_NW_TOS', 'OFPAT_SET_NW_ECN', 'OFPAT_SET_TP_SRC', 'OFPAT_SET_TP_DST', 'OFPAT_COPY_TTL_OUT', 'OFPAT_COPY_TTL_IN', 'OFPAT_SET_MPLS_LABEL', 'OFPAT_SET_MPLS_TC', 'OFPAT_SET_MPLS_TTL', 'OFPAT_DEC_MPLS_TTL', 'OFPAT_PUSH_VLAN', 'OFPAT_POP_VLAN', 'OFPAT_PUSH_MPLS', 'OFPAT_POP_MPLS', 'OFPAT_SET_QUEUE', 'OFPAT_GROUP', 'OFPAT_SET_NW_TTL', 'OFPAT_DEC_NW_TTL', 'OFPAT_EXPERIMENTER']
-OFPAT_OUTPUT                        = 0
-OFPAT_SET_VLAN_VID                  = 1
-OFPAT_SET_VLAN_PCP                  = 2
-OFPAT_SET_DL_SRC                    = 3
-OFPAT_SET_DL_DST                    = 4
-OFPAT_SET_NW_SRC                    = 5
-OFPAT_SET_NW_DST                    = 6
-OFPAT_SET_NW_TOS                    = 7
-OFPAT_SET_NW_ECN                    = 8
-OFPAT_SET_TP_SRC                    = 9
-OFPAT_SET_TP_DST                    = 10
-OFPAT_COPY_TTL_OUT                  = 11
-OFPAT_COPY_TTL_IN                   = 12
-OFPAT_SET_MPLS_LABEL                = 13
-OFPAT_SET_MPLS_TC                   = 14
-OFPAT_SET_MPLS_TTL                  = 15
-OFPAT_DEC_MPLS_TTL                  = 16
-OFPAT_PUSH_VLAN                     = 17
-OFPAT_POP_VLAN                      = 18
-OFPAT_PUSH_MPLS                     = 19
-OFPAT_POP_MPLS                      = 20
-OFPAT_SET_QUEUE                     = 21
-OFPAT_GROUP                         = 22
-OFPAT_SET_NW_TTL                    = 23
-OFPAT_DEC_NW_TTL                    = 24
-OFPAT_EXPERIMENTER                  = 65535
-ofp_action_type_map = {
-    0                               : 'OFPAT_OUTPUT',
-    1                               : 'OFPAT_SET_VLAN_VID',
-    2                               : 'OFPAT_SET_VLAN_PCP',
-    3                               : 'OFPAT_SET_DL_SRC',
-    4                               : 'OFPAT_SET_DL_DST',
-    5                               : 'OFPAT_SET_NW_SRC',
-    6                               : 'OFPAT_SET_NW_DST',
-    7                               : 'OFPAT_SET_NW_TOS',
-    8                               : 'OFPAT_SET_NW_ECN',
-    9                               : 'OFPAT_SET_TP_SRC',
-    10                              : 'OFPAT_SET_TP_DST',
-    11                              : 'OFPAT_COPY_TTL_OUT',
-    12                              : 'OFPAT_COPY_TTL_IN',
-    13                              : 'OFPAT_SET_MPLS_LABEL',
-    14                              : 'OFPAT_SET_MPLS_TC',
-    15                              : 'OFPAT_SET_MPLS_TTL',
-    16                              : 'OFPAT_DEC_MPLS_TTL',
-    17                              : 'OFPAT_PUSH_VLAN',
-    18                              : 'OFPAT_POP_VLAN',
-    19                              : 'OFPAT_PUSH_MPLS',
-    20                              : 'OFPAT_POP_MPLS',
-    21                              : 'OFPAT_SET_QUEUE',
-    22                              : 'OFPAT_GROUP',
-    23                              : 'OFPAT_SET_NW_TTL',
-    24                              : 'OFPAT_DEC_NW_TTL',
-    65535                           : 'OFPAT_EXPERIMENTER'
-}
-
-ofp_flow_mod_command = ['OFPFC_ADD', 'OFPFC_MODIFY', 'OFPFC_MODIFY_STRICT', 'OFPFC_DELETE', 'OFPFC_DELETE_STRICT']
-OFPFC_ADD                           = 0
-OFPFC_MODIFY                        = 1
-OFPFC_MODIFY_STRICT                 = 2
-OFPFC_DELETE                        = 3
-OFPFC_DELETE_STRICT                 = 4
-ofp_flow_mod_command_map = {
-    0                               : 'OFPFC_ADD',
-    1                               : 'OFPFC_MODIFY',
-    2                               : 'OFPFC_MODIFY_STRICT',
-    3                               : 'OFPFC_DELETE',
-    4                               : 'OFPFC_DELETE_STRICT'
-}
-
-ofp_queue_op_failed_code = ['OFPQOFC_BAD_PORT', 'OFPQOFC_BAD_QUEUE', 'OFPQOFC_EPERM']
-OFPQOFC_BAD_PORT                    = 0
-OFPQOFC_BAD_QUEUE                   = 1
-OFPQOFC_EPERM                       = 2
-ofp_queue_op_failed_code_map = {
-    0                               : 'OFPQOFC_BAD_PORT',
-    1                               : 'OFPQOFC_BAD_QUEUE',
-    2                               : 'OFPQOFC_EPERM'
-}
-
-ofp_match_type = ['OFPMT_STANDARD']
-OFPMT_STANDARD                      = 0
-ofp_match_type_map = {
-    0                               : 'OFPMT_STANDARD'
-}
-
-ofp_vlan_id = ['OFPVID_ANY', 'OFPVID_NONE']
-OFPVID_ANY                          = 65534
-OFPVID_NONE                         = 65535
-ofp_vlan_id_map = {
-    65534                           : 'OFPVID_ANY',
-    65535                           : 'OFPVID_NONE'
-}
-
-ofp_group_mod_failed_code = ['OFPGMFC_GROUP_EXISTS', 'OFPGMFC_INVALID_GROUP', 'OFPGMFC_WEIGHT_UNSUPPORTED', 'OFPGMFC_OUT_OF_GROUPS', 'OFPGMFC_OUT_OF_BUCKETS', 'OFPGMFC_CHAINING_UNSUPPORTED', 'OFPGMFC_WATCH_UNSUPPORTED', 'OFPGMFC_LOOP', 'OFPGMFC_UNKNOWN_GROUP']
-OFPGMFC_GROUP_EXISTS                = 0
-OFPGMFC_INVALID_GROUP               = 1
-OFPGMFC_WEIGHT_UNSUPPORTED          = 2
-OFPGMFC_OUT_OF_GROUPS               = 3
-OFPGMFC_OUT_OF_BUCKETS              = 4
-OFPGMFC_CHAINING_UNSUPPORTED        = 5
-OFPGMFC_WATCH_UNSUPPORTED           = 6
-OFPGMFC_LOOP                        = 7
-OFPGMFC_UNKNOWN_GROUP               = 8
-ofp_group_mod_failed_code_map = {
-    0                               : 'OFPGMFC_GROUP_EXISTS',
-    1                               : 'OFPGMFC_INVALID_GROUP',
-    2                               : 'OFPGMFC_WEIGHT_UNSUPPORTED',
-    3                               : 'OFPGMFC_OUT_OF_GROUPS',
-    4                               : 'OFPGMFC_OUT_OF_BUCKETS',
-    5                               : 'OFPGMFC_CHAINING_UNSUPPORTED',
-    6                               : 'OFPGMFC_WATCH_UNSUPPORTED',
-    7                               : 'OFPGMFC_LOOP',
-    8                               : 'OFPGMFC_UNKNOWN_GROUP'
-}
-
-ofp_group_type = ['OFPGT_ALL', 'OFPGT_SELECT', 'OFPGT_INDIRECT', 'OFPGT_FF']
-OFPGT_ALL                           = 0
-OFPGT_SELECT                        = 1
-OFPGT_INDIRECT                      = 2
-OFPGT_FF                            = 3
-ofp_group_type_map = {
-    0                               : 'OFPGT_ALL',
-    1                               : 'OFPGT_SELECT',
-    2                               : 'OFPGT_INDIRECT',
-    3                               : 'OFPGT_FF'
-}
-
-ofp_instruction_type = ['OFPIT_GOTO_TABLE', 'OFPIT_WRITE_METADATA', 'OFPIT_WRITE_ACTIONS', 'OFPIT_APPLY_ACTIONS', 'OFPIT_CLEAR_ACTIONS', 'OFPIT_EXPERIMENTER']
-OFPIT_GOTO_TABLE                    = 1
-OFPIT_WRITE_METADATA                = 2
-OFPIT_WRITE_ACTIONS                 = 3
-OFPIT_APPLY_ACTIONS                 = 4
-OFPIT_CLEAR_ACTIONS                 = 5
-OFPIT_EXPERIMENTER                  = 65535
-ofp_instruction_type_map = {
-    1                               : 'OFPIT_GOTO_TABLE',
-    2                               : 'OFPIT_WRITE_METADATA',
-    3                               : 'OFPIT_WRITE_ACTIONS',
-    4                               : 'OFPIT_APPLY_ACTIONS',
-    5                               : 'OFPIT_CLEAR_ACTIONS',
-    65535                           : 'OFPIT_EXPERIMENTER'
-}
-
-ofp_bad_action_code = ['OFPBAC_BAD_TYPE', 'OFPBAC_BAD_LEN', 'OFPBAC_BAD_EXPERIMENTER', 'OFPBAC_BAD_EXPERIMENTER_TYPE', 'OFPBAC_BAD_OUT_PORT', 'OFPBAC_BAD_ARGUMENT', 'OFPBAC_EPERM', 'OFPBAC_TOO_MANY', 'OFPBAC_BAD_QUEUE', 'OFPBAC_BAD_OUT_GROUP', 'OFPBAC_MATCH_INCONSISTENT', 'OFPBAC_UNSUPPORTED_ORDER']
-OFPBAC_BAD_TYPE                     = 0
-OFPBAC_BAD_LEN                      = 1
-OFPBAC_BAD_EXPERIMENTER             = 2
-OFPBAC_BAD_EXPERIMENTER_TYPE        = 3
-OFPBAC_BAD_OUT_PORT                 = 4
-OFPBAC_BAD_ARGUMENT                 = 5
-OFPBAC_EPERM                        = 6
-OFPBAC_TOO_MANY                     = 7
-OFPBAC_BAD_QUEUE                    = 8
-OFPBAC_BAD_OUT_GROUP                = 9
-OFPBAC_MATCH_INCONSISTENT           = 10
-OFPBAC_UNSUPPORTED_ORDER            = 11
-ofp_bad_action_code_map = {
-    0                               : 'OFPBAC_BAD_TYPE',
-    1                               : 'OFPBAC_BAD_LEN',
-    2                               : 'OFPBAC_BAD_EXPERIMENTER',
-    3                               : 'OFPBAC_BAD_EXPERIMENTER_TYPE',
-    4                               : 'OFPBAC_BAD_OUT_PORT',
-    5                               : 'OFPBAC_BAD_ARGUMENT',
-    6                               : 'OFPBAC_EPERM',
-    7                               : 'OFPBAC_TOO_MANY',
-    8                               : 'OFPBAC_BAD_QUEUE',
-    9                               : 'OFPBAC_BAD_OUT_GROUP',
-    10                              : 'OFPBAC_MATCH_INCONSISTENT',
-    11                              : 'OFPBAC_UNSUPPORTED_ORDER'
-}
-
-ofp_flow_mod_failed_code = ['OFPFMFC_UNKNOWN', 'OFPFMFC_TABLE_FULL', 'OFPFMFC_BAD_TABLE_ID', 'OFPFMFC_OVERLAP', 'OFPFMFC_EPERM', 'OFPFMFC_BAD_TIMEOUT', 'OFPFMFC_BAD_COMMAND', 'OFPFMFC_BAD_INSTRUCTION', 'OFPFMFC_BAD_MATCH', 'OFPFMFC_BAD_MATCH_TYPE', 'OFPFMFC_BAD_TAG', 'OFPFMFC_BAD_DL_ADDR_MASK', 'OFPFMFC_BAD_NW_ADDR_MASK']
-OFPFMFC_UNKNOWN                     = 0
-OFPFMFC_TABLE_FULL                  = 1
-OFPFMFC_BAD_TABLE_ID                = 2
-OFPFMFC_OVERLAP                     = 3
-OFPFMFC_EPERM                       = 4
-OFPFMFC_BAD_TIMEOUT                 = 5
-OFPFMFC_BAD_COMMAND                 = 6
-OFPFMFC_BAD_INSTRUCTION             = 7
-OFPFMFC_BAD_MATCH                   = 8
-OFPFMFC_BAD_MATCH_TYPE              = 9
-OFPFMFC_BAD_TAG                     = 10
-OFPFMFC_BAD_DL_ADDR_MASK            = 11
-OFPFMFC_BAD_NW_ADDR_MASK            = 12
-ofp_flow_mod_failed_code_map = {
-    0                               : 'OFPFMFC_UNKNOWN',
-    1                               : 'OFPFMFC_TABLE_FULL',
-    2                               : 'OFPFMFC_BAD_TABLE_ID',
-    3                               : 'OFPFMFC_OVERLAP',
-    4                               : 'OFPFMFC_EPERM',
-    5                               : 'OFPFMFC_BAD_TIMEOUT',
-    6                               : 'OFPFMFC_BAD_COMMAND',
-    7                               : 'OFPFMFC_BAD_INSTRUCTION',
-    8                               : 'OFPFMFC_BAD_MATCH',
-    9                               : 'OFPFMFC_BAD_MATCH_TYPE',
-    10                              : 'OFPFMFC_BAD_TAG',
-    11                              : 'OFPFMFC_BAD_DL_ADDR_MASK',
-    12                              : 'OFPFMFC_BAD_NW_ADDR_MASK'
-}
-
-ofp_port_mod_failed_code = ['OFPPMFC_BAD_PORT', 'OFPPMFC_BAD_HW_ADDR', 'OFPPMFC_BAD_CONFIG', 'OFPPMFC_BAD_ADVERTISE']
-OFPPMFC_BAD_PORT                    = 0
-OFPPMFC_BAD_HW_ADDR                 = 1
-OFPPMFC_BAD_CONFIG                  = 2
-OFPPMFC_BAD_ADVERTISE               = 3
-ofp_port_mod_failed_code_map = {
-    0                               : 'OFPPMFC_BAD_PORT',
-    1                               : 'OFPPMFC_BAD_HW_ADDR',
-    2                               : 'OFPPMFC_BAD_CONFIG',
-    3                               : 'OFPPMFC_BAD_ADVERTISE'
-}
-
-ofp_type = ['OFPT_HELLO', 'OFPT_ERROR', 'OFPT_ECHO_REQUEST', 'OFPT_ECHO_REPLY', 'OFPT_EXPERIMENTER', 'OFPT_FEATURES_REQUEST', 'OFPT_FEATURES_REPLY', 'OFPT_GET_CONFIG_REQUEST', 'OFPT_GET_CONFIG_REPLY', 'OFPT_SET_CONFIG', 'OFPT_PACKET_IN', 'OFPT_FLOW_REMOVED', 'OFPT_PORT_STATUS', 'OFPT_PACKET_OUT', 'OFPT_FLOW_MOD', 'OFPT_GROUP_MOD', 'OFPT_PORT_MOD', 'OFPT_TABLE_MOD', 'OFPT_STATS_REQUEST', 'OFPT_STATS_REPLY', 'OFPT_BARRIER_REQUEST', 'OFPT_BARRIER_REPLY', 'OFPT_QUEUE_GET_CONFIG_REQUEST', 'OFPT_QUEUE_GET_CONFIG_REPLY']
-OFPT_HELLO                          = 0
-OFPT_ERROR                          = 1
-OFPT_ECHO_REQUEST                   = 2
-OFPT_ECHO_REPLY                     = 3
-OFPT_EXPERIMENTER                   = 4
-OFPT_FEATURES_REQUEST               = 5
-OFPT_FEATURES_REPLY                 = 6
-OFPT_GET_CONFIG_REQUEST             = 7
-OFPT_GET_CONFIG_REPLY               = 8
-OFPT_SET_CONFIG                     = 9
-OFPT_PACKET_IN                      = 10
-OFPT_FLOW_REMOVED                   = 11
-OFPT_PORT_STATUS                    = 12
-OFPT_PACKET_OUT                     = 13
-OFPT_FLOW_MOD                       = 14
-OFPT_GROUP_MOD                      = 15
-OFPT_PORT_MOD                       = 16
-OFPT_TABLE_MOD                      = 17
-OFPT_STATS_REQUEST                  = 18
-OFPT_STATS_REPLY                    = 19
-OFPT_BARRIER_REQUEST                = 20
-OFPT_BARRIER_REPLY                  = 21
-OFPT_QUEUE_GET_CONFIG_REQUEST       = 22
-OFPT_QUEUE_GET_CONFIG_REPLY         = 23
-ofp_type_map = {
-    0                               : 'OFPT_HELLO',
-    1                               : 'OFPT_ERROR',
-    2                               : 'OFPT_ECHO_REQUEST',
-    3                               : 'OFPT_ECHO_REPLY',
-    4                               : 'OFPT_EXPERIMENTER',
-    5                               : 'OFPT_FEATURES_REQUEST',
-    6                               : 'OFPT_FEATURES_REPLY',
-    7                               : 'OFPT_GET_CONFIG_REQUEST',
-    8                               : 'OFPT_GET_CONFIG_REPLY',
-    9                               : 'OFPT_SET_CONFIG',
-    10                              : 'OFPT_PACKET_IN',
-    11                              : 'OFPT_FLOW_REMOVED',
-    12                              : 'OFPT_PORT_STATUS',
-    13                              : 'OFPT_PACKET_OUT',
-    14                              : 'OFPT_FLOW_MOD',
-    15                              : 'OFPT_GROUP_MOD',
-    16                              : 'OFPT_PORT_MOD',
-    17                              : 'OFPT_TABLE_MOD',
-    18                              : 'OFPT_STATS_REQUEST',
-    19                              : 'OFPT_STATS_REPLY',
-    20                              : 'OFPT_BARRIER_REQUEST',
-    21                              : 'OFPT_BARRIER_REPLY',
-    22                              : 'OFPT_QUEUE_GET_CONFIG_REQUEST',
-    23                              : 'OFPT_QUEUE_GET_CONFIG_REPLY'
-}
-
-ofp_packet_in_reason = ['OFPR_NO_MATCH', 'OFPR_ACTION']
-OFPR_NO_MATCH                       = 0
-OFPR_ACTION                         = 1
-ofp_packet_in_reason_map = {
-    0                               : 'OFPR_NO_MATCH',
-    1                               : 'OFPR_ACTION'
-}
-
-ofp_stats_types = ['OFPST_DESC', 'OFPST_FLOW', 'OFPST_AGGREGATE', 'OFPST_TABLE', 'OFPST_PORT', 'OFPST_QUEUE', 'OFPST_GROUP', 'OFPST_GROUP_DESC', 'OFPST_EXPERIMENTER']
-OFPST_DESC                          = 0
-OFPST_FLOW                          = 1
-OFPST_AGGREGATE                     = 2
-OFPST_TABLE                         = 3
-OFPST_PORT                          = 4
-OFPST_QUEUE                         = 5
-OFPST_GROUP                         = 6
-OFPST_GROUP_DESC                    = 7
-OFPST_EXPERIMENTER                  = 65535
-ofp_stats_types_map = {
-    0                               : 'OFPST_DESC',
-    1                               : 'OFPST_FLOW',
-    2                               : 'OFPST_AGGREGATE',
-    3                               : 'OFPST_TABLE',
-    4                               : 'OFPST_PORT',
-    5                               : 'OFPST_QUEUE',
-    6                               : 'OFPST_GROUP',
-    7                               : 'OFPST_GROUP_DESC',
-    65535                           : 'OFPST_EXPERIMENTER'
-}
-
-ofp_group_mod_command = ['OFPGC_ADD', 'OFPGC_MODIFY', 'OFPGC_DELETE']
-OFPGC_ADD                           = 0
-OFPGC_MODIFY                        = 1
-OFPGC_DELETE                        = 2
-ofp_group_mod_command_map = {
-    0                               : 'OFPGC_ADD',
-    1                               : 'OFPGC_MODIFY',
-    2                               : 'OFPGC_DELETE'
-}
-
-ofp_port_features = ['OFPPF_10MB_HD', 'OFPPF_10MB_FD', 'OFPPF_100MB_HD', 'OFPPF_100MB_FD', 'OFPPF_1GB_HD', 'OFPPF_1GB_FD', 'OFPPF_10GB_FD', 'OFPPF_40GB_FD', 'OFPPF_100GB_FD', 'OFPPF_1TB_FD', 'OFPPF_LUDICROUS', 'OFPPF_COPPER', 'OFPPF_FIBER', 'OFPPF_AUTONEG', 'OFPPF_PAUSE', 'OFPPF_PAUSE_ASYM']
-OFPPF_10MB_HD                       = 1
-OFPPF_10MB_FD                       = 2
-OFPPF_100MB_HD                      = 4
-OFPPF_100MB_FD                      = 8
-OFPPF_1GB_HD                        = 16
-OFPPF_1GB_FD                        = 32
-OFPPF_10GB_FD                       = 64
-OFPPF_40GB_FD                       = 128
-OFPPF_100GB_FD                      = 256
-OFPPF_1TB_FD                        = 512
-OFPPF_LUDICROUS                     = 1024
-OFPPF_COPPER                        = 2048
-OFPPF_FIBER                         = 4096
-OFPPF_AUTONEG                       = 8192
-OFPPF_PAUSE                         = 16384
-OFPPF_PAUSE_ASYM                    = 32768
-ofp_port_features_map = {
-    1                               : 'OFPPF_10MB_HD',
-    2                               : 'OFPPF_10MB_FD',
-    4                               : 'OFPPF_100MB_HD',
-    8                               : 'OFPPF_100MB_FD',
-    16                              : 'OFPPF_1GB_HD',
-    32                              : 'OFPPF_1GB_FD',
-    64                              : 'OFPPF_10GB_FD',
-    128                             : 'OFPPF_40GB_FD',
-    256                             : 'OFPPF_100GB_FD',
-    512                             : 'OFPPF_1TB_FD',
-    1024                            : 'OFPPF_LUDICROUS',
-    2048                            : 'OFPPF_COPPER',
-    4096                            : 'OFPPF_FIBER',
-    8192                            : 'OFPPF_AUTONEG',
-    16384                           : 'OFPPF_PAUSE',
-    32768                           : 'OFPPF_PAUSE_ASYM'
-}
-
-ofp_mpls_label = ['OFPML_ANY', 'OFPML_NONE']
-OFPML_ANY                           = 16777214
-OFPML_NONE                          = 16777215
-ofp_mpls_label_map = {
-    16777214                        : 'OFPML_ANY',
-    16777215                        : 'OFPML_NONE'
-}
-
-# Values from macro definitions
-OFP_FLOW_PERMANENT = 0
-OFP_DL_TYPE_ETH2_CUTOFF = 0x0600
-DESC_STR_LEN = 256
-OFPFW_ICMP_CODE = OFPFW_TP_DST
-OFPQ_MIN_RATE_UNCFG = 0xffff
-OFP_VERSION = 0x02
-OFP_MAX_TABLE_NAME_LEN = 32
-OFP_DL_TYPE_NOT_ETH_TYPE = 0x05ff
-OFP_DEFAULT_MISS_SEND_LEN = 128
-OFP_MAX_PORT_NAME_LEN = 16
-OFP_SSL_PORT = 6633
-OFPMT_STANDARD_LENGTH = 88
-OFPFW_ICMP_TYPE = OFPFW_TP_SRC
-OFP_TCP_PORT = 6633
-SERIAL_NUM_LEN = 32
-OFP_DEFAULT_PRIORITY = 0x8000
-OFP_ETH_ALEN = 6
-OFP_VLAN_NONE = OFPVID_NONE
-OFPQ_ALL = 0xffffffff
-
-# Basic structure size definitions.
-# Does not include ofp_header members.
-# Does not include variable length arrays.
-OFP_ACTION_DL_ADDR_BYTES = 16
-OFP_ACTION_EXPERIMENTER_HEADER_BYTES = 8
-OFP_ACTION_GROUP_BYTES = 8
-OFP_ACTION_HEADER_BYTES = 8
-OFP_ACTION_MPLS_LABEL_BYTES = 8
-OFP_ACTION_MPLS_TC_BYTES = 8
-OFP_ACTION_MPLS_TTL_BYTES = 8
-OFP_ACTION_NW_ADDR_BYTES = 8
-OFP_ACTION_NW_ECN_BYTES = 8
-OFP_ACTION_NW_TOS_BYTES = 8
-OFP_ACTION_NW_TTL_BYTES = 8
-OFP_ACTION_OUTPUT_BYTES = 16
-OFP_ACTION_POP_MPLS_BYTES = 8
-OFP_ACTION_PUSH_BYTES = 8
-OFP_ACTION_SET_QUEUE_BYTES = 8
-OFP_ACTION_TP_PORT_BYTES = 8
-OFP_ACTION_VLAN_PCP_BYTES = 8
-OFP_ACTION_VLAN_VID_BYTES = 8
-OFP_AGGREGATE_STATS_REPLY_BYTES = 24
-OFP_AGGREGATE_STATS_REQUEST_BYTES = 120
-OFP_BUCKET_BYTES = 16
-OFP_BUCKET_COUNTER_BYTES = 16
-OFP_DESC_STATS_BYTES = 1056
-OFP_ERROR_MSG_BYTES = 4
-OFP_EXPERIMENTER_HEADER_BYTES = 4
-OFP_FLOW_MOD_BYTES = 128
-OFP_FLOW_REMOVED_BYTES = 128
-OFP_FLOW_STATS_BYTES = 136
-OFP_FLOW_STATS_REQUEST_BYTES = 120
-OFP_GROUP_DESC_STATS_BYTES = 8
-OFP_GROUP_MOD_BYTES = 8
-OFP_GROUP_STATS_BYTES = 32
-OFP_GROUP_STATS_REQUEST_BYTES = 8
-OFP_HEADER_BYTES = 8
-OFP_HELLO_BYTES = 0
-OFP_INSTRUCTION_BYTES = 8
-OFP_INSTRUCTION_ACTIONS_BYTES = 8
-OFP_INSTRUCTION_EXPERIMENTER_BYTES = 8
-OFP_INSTRUCTION_GOTO_TABLE_BYTES = 8
-OFP_INSTRUCTION_WRITE_METADATA_BYTES = 24
-OFP_MATCH_BYTES = 88
-OFP_PACKET_IN_BYTES = 16
-OFP_PACKET_OUT_BYTES = 12
-OFP_PACKET_QUEUE_BYTES = 8
-OFP_PORT_BYTES = 64
-OFP_PORT_MOD_BYTES = 32
-OFP_PORT_STATS_BYTES = 104
-OFP_PORT_STATS_REQUEST_BYTES = 8
-OFP_PORT_STATUS_BYTES = 72
-OFP_QUEUE_GET_CONFIG_REPLY_BYTES = 8
-OFP_QUEUE_GET_CONFIG_REQUEST_BYTES = 4
-OFP_QUEUE_PROP_HEADER_BYTES = 8
-OFP_QUEUE_PROP_MIN_RATE_BYTES = 16
-OFP_QUEUE_STATS_BYTES = 32
-OFP_QUEUE_STATS_REQUEST_BYTES = 8
-OFP_STATS_REPLY_BYTES = 4
-OFP_STATS_REQUEST_BYTES = 4
-OFP_SWITCH_CONFIG_BYTES = 4
-OFP_SWITCH_FEATURES_BYTES = 24
-OFP_TABLE_MOD_BYTES = 8
-OFP_TABLE_STATS_BYTES = 88
-
diff --git a/src/python/of11/error.py b/src/python/of11/error.py
deleted file mode 100644
index 3ea74f4..0000000
--- a/src/python/of11/error.py
+++ /dev/null
@@ -1,456 +0,0 @@
-
-# Python OpenFlow error wrapper classes
-
-from cstruct import *
-
-
-
-class hello_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for hello_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_HELLO_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "hello_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class bad_request_error_msg(ofp_error_msg):
-    """
-    Wrapper class for bad_request error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_BAD_REQUEST
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "bad_request_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class bad_action_error_msg(ofp_error_msg):
-    """
-    Wrapper class for bad_action error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_BAD_ACTION
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "bad_action_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class flow_mod_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for flow_mod_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_FLOW_MOD_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "flow_mod_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class group_mod_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for group_mod_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_GROUP_MOD_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "group_mod_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class port_mod_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for port_mod_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_PORT_MOD_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "port_mod_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class table_mod_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for table_mod_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_TABLE_MOD_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "table_mod_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class queue_op_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for queue_op_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_QUEUE_OP_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "queue_op_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class switch_config_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for switch_config_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_SWITCH_CONFIG_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "switch_config_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
diff --git a/src/python/of11/instruction.py b/src/python/of11/instruction.py
deleted file mode 100644
index ce323c2..0000000
--- a/src/python/of11/instruction.py
+++ /dev/null
@@ -1,164 +0,0 @@
-
-# Python OpenFlow instruction wrapper classes
-
-from cstruct import *
-from action_list import action_list
-
-
-
-class instruction_goto_table(ofp_instruction_goto_table):
-    """
-    Wrapper class for goto_table instruction object
-
-    Data members inherited from ofp_instruction_goto_table:
-    @arg type
-    @arg len
-    @arg table_id
-
-    """
-    def __init__(self):
-        ofp_instruction_goto_table.__init__(self)
-        self.type = OFPIT_GOTO_TABLE
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_goto_table\n"
-        outstr += ofp_instruction_goto_table.show(self, prefix)
-        return outstr
-
-
-class instruction_write_actions(ofp_instruction_actions):
-    """
-    Wrapper class for write_actions instruction object
-
-    Data members inherited from ofp_instruction_actions:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_instruction_actions.__init__(self)
-        self.type = OFPIT_WRITE_ACTIONS
-        self.actions = action_list()
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_write_actions\n"
-        outstr += ofp_instruction_actions.show(self, prefix)
-        outstr += self.actions.show(prefix)
-        return outstr
-    def unpack(self, binary_string):
-        binary_string = ofp_instruction_actions.unpack(self, binary_string)
-        bytes = self.len - OFP_INSTRUCTION_ACTIONS_BYTES
-        self.actions = action_list()
-        binary_string = self.actions.unpack(binary_string, bytes=bytes)
-        return binary_string
-    def pack(self):
-        self.len = self.__len__()
-        packed = ""
-        packed += ofp_instruction_actions.pack(self)
-        packed += self.actions.pack()
-        return packed
-    def __len__(self):
-        return ofp_instruction_actions.__len__(self) + self.actions.__len__()
-
-
-class instruction_apply_actions(ofp_instruction_actions):
-    """
-    Wrapper class for apply_actions instruction object
-
-    Data members inherited from ofp_instruction_actions:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_instruction_actions.__init__(self)
-        self.type = OFPIT_APPLY_ACTIONS
-        self.actions = action_list()
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_apply_actions\n"
-        outstr += ofp_instruction_actions.show(self, prefix)
-        outstr += self.actions.show(prefix)
-        return outstr
-    def unpack(self, binary_string):
-        binary_string = ofp_instruction_actions.unpack(self, binary_string)
-        bytes = self.len - OFP_INSTRUCTION_ACTIONS_BYTES
-        self.actions = action_list()
-        binary_string = self.actions.unpack(binary_string, bytes=bytes)
-        return binary_string
-    def pack(self):
-        self.len = self.__len__()
-        packed = ""
-        packed += ofp_instruction_actions.pack(self)
-        packed += self.actions.pack()
-        return packed
-    def __len__(self):
-        return ofp_instruction_actions.__len__(self) + self.actions.__len__()
-
-
-class instruction_experimenter(ofp_instruction_experimenter):
-    """
-    Wrapper class for experimenter instruction object
-
-    Data members inherited from ofp_instruction_experimenter:
-    @arg type
-    @arg len
-    @arg experimenter
-
-    """
-    def __init__(self):
-        ofp_instruction_experimenter.__init__(self)
-        self.type = OFPIT_EXPERIMENTER
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_experimenter\n"
-        outstr += ofp_instruction_experimenter.show(self, prefix)
-        return outstr
-
-
-class instruction_write_metadata(ofp_instruction_write_metadata):
-    """
-    Wrapper class for write_metadata instruction object
-
-    Data members inherited from ofp_instruction_write_metadata:
-    @arg type
-    @arg len
-    @arg metadata
-    @arg metadata_mask
-
-    """
-    def __init__(self):
-        ofp_instruction_write_metadata.__init__(self)
-        self.type = OFPIT_WRITE_METADATA
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_write_metadata\n"
-        outstr += ofp_instruction_write_metadata.show(self, prefix)
-        return outstr
-
-
-class instruction_clear_actions(ofp_instruction):
-    """
-    Wrapper class for clear_actions instruction object
-
-    Data members inherited from ofp_instruction:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_instruction.__init__(self)
-        self.type = OFPIT_CLEAR_ACTIONS
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_clear_actions\n"
-        outstr += ofp_instruction.show(self, prefix)
-        return outstr
-
-instruction_class_list = (
-    instruction_apply_actions,
-    instruction_clear_actions,
-    instruction_experimenter,
-    instruction_goto_table,
-    instruction_write_actions,
-    instruction_write_metadata)
diff --git a/src/python/of11/instruction_list.py b/src/python/of11/instruction_list.py
deleted file mode 100644
index bce8cc7..0000000
--- a/src/python/of11/instruction_list.py
+++ /dev/null
@@ -1,97 +0,0 @@
-"""
-OpenFlow instruction list class
-"""
-
-import action
-import instruction
-from action_list import action_list
-from base_list import ofp_base_list
-from cstruct import ofp_header
-import unittest
-
-# Instruction list
-
-instruction_object_map = {
-    action.OFPIT_GOTO_TABLE          : instruction.instruction_goto_table,
-    action.OFPIT_WRITE_METADATA      : instruction.instruction_write_metadata,      
-    action.OFPIT_WRITE_ACTIONS       : instruction.instruction_write_actions,       
-    action.OFPIT_APPLY_ACTIONS       : instruction.instruction_apply_actions,       
-    action.OFPIT_CLEAR_ACTIONS       : instruction.instruction_clear_actions,       
-    action.OFPIT_EXPERIMENTER        : instruction.instruction_experimenter        
-}
-
-class instruction_list(ofp_base_list):
-    """
-    Maintain a list of instructions
-
-    Data members:
-    @arg instructions An array of instructions such as write_actions
-
-    Methods:
-    @arg pack: Pack the structure into a string
-    @arg unpack: Unpack a string to objects, with proper typing
-    @arg add: Add an action to the list; you can directly access
-    the action member, but add will validate that the added object 
-    is an action.
-
-    """
-
-    def __init__(self):
-        ofp_base_list.__init__(self)
-        self.instructions = self.items
-        self.name = "instruction"
-        self.class_list = instruction.instruction_class_list
-
-    def unpack(self, binary_string, bytes=None):
-        """
-        Unpack a list of instructions
-        
-        Unpack instructions from a binary string, creating an array
-        of objects of the appropriate type
-
-        @param binary_string The string to be unpacked
-
-        @param bytes The total length of the instruction list in bytes.  
-        Ignored if decode is True.  If bytes is None and decode is false, the
-        list is assumed to extend through the entire string.
-
-        @return The remainder of binary_string that was not parsed
-
-        """
-        if bytes == None:
-            bytes = len(binary_string)
-        bytes_done = 0
-        count = 0
-        cur_string = binary_string
-        while bytes_done < bytes:
-            hdr = instruction.ofp_instruction()
-            hdr.unpack(cur_string)
-            if hdr.len < action.OFP_ACTION_HEADER_BYTES:
-                print "ERROR: Action too short"
-                break
-            if not hdr.type in instruction_object_map.keys():
-                print "WARNING: Skipping unknown action ", hdr.type, hdr.len
-            else:
-                self.instructions.append(instruction_object_map[hdr.type]())
-                self.instructions[count].unpack(cur_string)
-                count += 1
-            cur_string = cur_string[hdr.len:]
-            bytes_done += hdr.len
-        return cur_string
-
-class Instruction_List_Test(unittest.TestCase):
-    def runTest(self):
-        # instructions header is 8 bytes
-        l = instruction_list()
-        act = action.action_output()
-        act.port = 7
-        inst = instruction.instruction_apply_actions()
-        self.assertTrue(inst.actions.add(act)) 
-        self.assertTrue(l.add(inst))
-        pkt = l.pack()
-        # 24 == 8 (list header) + (apply header) 8 + (output action) 8 
-        self.assertEqual(len(pkt),24)
-       
-        l = instruction_list()
-        self.assertTrue(l.add(instruction.instruction_goto_table()))
-        
diff --git a/src/python/of11/message.py b/src/python/of11/message.py
deleted file mode 100644
index a26da63..0000000
--- a/src/python/of11/message.py
+++ /dev/null
@@ -1,3692 +0,0 @@
-
-# Python OpenFlow message wrapper classes
-
-from cstruct import *
-from action_list import action_list
-from instruction_list import instruction_list
-from bucket_list import bucket_list
-from error import *
-
-# Define templates for documentation
-class ofp_template_msg(object):
-    """
-    Sample base class for template_msg; normally auto generated
-    This class should live in the of_header name space and provides the
-    base class for this type of message.  It will be wrapped for the
-    high level API.
-
-    """
-    def __init__(self):
-        """
-        Constructor for base class
-
-        """
-        self.header = ofp_header()
-        # Additional base data members declared here
-
-    # Normally will define pack, unpack, __len__ functions
-
-class template_msg(ofp_template_msg):
-    """
-    Sample class wrapper for template_msg
-    This class should live in the of_message name space and provides the
-    high level API for an OpenFlow message object.  These objects must
-    implement the functions indicated in this template.
-
-    """
-    def __init__(self):
-        """
-        Constructor
-        Must set the header type value appropriately for the message
-
-        """
-
-        ##@var header
-        # OpenFlow message header: length, version, xid, type
-        ofp_template_msg.__init__(self)
-        self.header = ofp_header()
-        # For a real message, will be set to an integer
-        self.header.type = "TEMPLATE_MSG_VALUE"
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        pass
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-
-        @return Typically returns the remainder of binary_string that
-        was not parsed.  May give a warning if that string is non-empty
-
-        """
-        pass
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        pass
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-        pass
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        pass
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        pass
-
-
-################################################################
-#
-# OpenFlow Message Definitions
-#
-################################################################
-
-class barrier_reply(object):
-    """
-    Wrapper class for barrier_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_BARRIER_REPLY=21)
-
-
-    """
-
-    def __init__(self):
-        self.header = ofp_header()
-        self.header.type = OFPT_BARRIER_REPLY
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'barrier_reply (OFPT_BARRIER_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class barrier_request(object):
-    """
-    Wrapper class for barrier_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_BARRIER_REQUEST=20)
-
-
-    """
-
-    def __init__(self):
-        self.header = ofp_header()
-        self.header.type = OFPT_BARRIER_REQUEST
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'barrier_request (OFPT_BARRIER_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class echo_reply(object):
-    """
-    Wrapper class for echo_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_ECHO_REPLY=3)
-
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self):
-        self.header = ofp_header()
-        self.header.type = OFPT_ECHO_REPLY
-        self.data = ""
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'echo_reply (OFPT_ECHO_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class echo_request(object):
-    """
-    Wrapper class for echo_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_ECHO_REQUEST=2)
-
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self):
-        self.header = ofp_header()
-        self.header.type = OFPT_ECHO_REQUEST
-        self.data = ""
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'echo_request (OFPT_ECHO_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class error(ofp_error_msg):
-    """
-    Wrapper class for error
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_ERROR=1)
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.data = ""
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_error_msg.__len__(self)
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'error (OFPT_ERROR)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix)
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_error_msg.__eq__(self, other): return False
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class experimenter(ofp_experimenter_header):
-    """
-    Wrapper class for experimenter
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_EXPERIMENTER=4)
-
-    Data members inherited from ofp_experimenter_header:
-    @arg experimenter
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self):
-        ofp_experimenter_header.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_EXPERIMENTER
-        self.data = ""
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_experimenter_header.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_experimenter_header.unpack(self, binary_string)
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_experimenter_header.__len__(self)
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'experimenter (OFPT_EXPERIMENTER)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_experimenter_header.show(self, prefix)
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_experimenter_header.__eq__(self, other): return False
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class features_reply(ofp_switch_features):
-    """
-    Wrapper class for features_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_FEATURES_REPLY=6)
-
-    Data members inherited from ofp_switch_features:
-    @arg datapath_id
-    @arg n_buffers
-    @arg n_tables
-    @arg capabilities
-    @arg reserved
-    @arg ports: Variable length array of TBD
-
-    """
-
-    def __init__(self):
-        ofp_switch_features.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_FEATURES_REPLY
-        self.ports = []
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_switch_features.pack(self)
-        for obj in self.ports:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_switch_features.unpack(self, binary_string)
-        while len(binary_string) >= OFP_PORT_BYTES:
-            new_port = ofp_port()
-            binary_string = new_port.unpack(binary_string)
-            self.ports.append(new_port)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_switch_features.__len__(self)
-        for obj in self.ports:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'features_reply (OFPT_FEATURES_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_switch_features.show(self, prefix)
-        outstr += prefix + "Array ports\n"
-        for obj in self.ports:
-            outstr += obj.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_switch_features.__eq__(self, other): return False
-        if self.ports != other.ports: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class features_request(object):
-    """
-    Wrapper class for features_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_FEATURES_REQUEST=5)
-
-
-    """
-
-    def __init__(self):
-        self.header = ofp_header()
-        self.header.type = OFPT_FEATURES_REQUEST
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'features_request (OFPT_FEATURES_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class flow_mod(ofp_flow_mod):
-    """
-    Wrapper class for flow_mod
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_FLOW_MOD=14)
-
-    Data members inherited from ofp_flow_mod:
-    @arg cookie
-    @arg cookie_mask
-    @arg table_id
-    @arg command
-    @arg idle_timeout
-    @arg hard_timeout
-    @arg priority
-    @arg buffer_id
-    @arg out_port
-    @arg out_group
-    @arg flags
-    @arg match
-    @arg instructions: Object of type instruction_list
-
-    """
-
-    def __init__(self):
-        ofp_flow_mod.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_FLOW_MOD
-        self.instructions = instruction_list()
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_flow_mod.pack(self)
-        packed += self.instructions.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_flow_mod.unpack(self, binary_string)
-        ai_len = self.header.length - (OFP_FLOW_MOD_BYTES + OFP_HEADER_BYTES)
-        binary_string = self.instructions.unpack(binary_string, bytes=ai_len)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_flow_mod.__len__(self)
-        length += len(self.instructions)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'flow_mod (OFPT_FLOW_MOD)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_flow_mod.show(self, prefix)
-        outstr += prefix + "List instructions\n"
-        outstr += self.instructions.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_flow_mod.__eq__(self, other): return False
-        if self.instructions != other.instructions: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class flow_removed(ofp_flow_removed):
-    """
-    Wrapper class for flow_removed
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_FLOW_REMOVED=11)
-
-    Data members inherited from ofp_flow_removed:
-    @arg cookie
-    @arg priority
-    @arg reason
-    @arg table_id
-    @arg duration_sec
-    @arg duration_nsec
-    @arg idle_timeout
-    @arg packet_count
-    @arg byte_count
-    @arg match
-
-    """
-
-    def __init__(self):
-        ofp_flow_removed.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_FLOW_REMOVED
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_flow_removed.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_flow_removed.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_flow_removed.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'flow_removed (OFPT_FLOW_REMOVED)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_flow_removed.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_flow_removed.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class get_config_reply(ofp_switch_config):
-    """
-    Wrapper class for get_config_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_GET_CONFIG_REPLY=8)
-
-    Data members inherited from ofp_switch_config:
-    @arg flags
-    @arg miss_send_len
-
-    """
-
-    def __init__(self):
-        ofp_switch_config.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_GET_CONFIG_REPLY
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_switch_config.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_switch_config.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_switch_config.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'get_config_reply (OFPT_GET_CONFIG_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_switch_config.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_switch_config.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class get_config_request(object):
-    """
-    Wrapper class for get_config_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_GET_CONFIG_REQUEST=7)
-
-
-    """
-
-    def __init__(self):
-        self.header = ofp_header()
-        self.header.type = OFPT_GET_CONFIG_REQUEST
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'get_config_request (OFPT_GET_CONFIG_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class group_mod(ofp_group_mod):
-    """
-    Wrapper class for group_mod
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_GROUP_MOD=15)
-
-    Data members inherited from ofp_group_mod:
-    @arg command
-    @arg type
-    @arg group_id
-    @arg buckets: Object of type bucket_list
-
-    """
-
-    def __init__(self):
-        ofp_group_mod.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_GROUP_MOD
-        self.buckets = bucket_list()
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_group_mod.pack(self)
-        packed += self.buckets.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_group_mod.unpack(self, binary_string)
-        binary_string = self.buckets.unpack(binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_group_mod.__len__(self)
-        length += len(self.buckets)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'group_mod (OFPT_GROUP_MOD)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_group_mod.show(self, prefix)
-        outstr += prefix + "List buckets\n"
-        outstr += self.buckets.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_group_mod.__eq__(self, other): return False
-        if self.buckets != other.buckets: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class hello(object):
-    """
-    Wrapper class for hello
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_HELLO=0)
-
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self):
-        self.header = ofp_header()
-        self.header.type = OFPT_HELLO
-        self.data = ""
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'hello (OFPT_HELLO)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class packet_in(ofp_packet_in):
-    """
-    Wrapper class for packet_in
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_PACKET_IN=10)
-
-    Data members inherited from ofp_packet_in:
-    @arg buffer_id
-    @arg in_port
-    @arg in_phy_port
-    @arg total_len
-    @arg reason
-    @arg table_id
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self):
-        ofp_packet_in.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_PACKET_IN
-        self.data = ""
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_packet_in.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_packet_in.unpack(self, binary_string)
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_packet_in.__len__(self)
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'packet_in (OFPT_PACKET_IN)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_packet_in.show(self, prefix)
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_packet_in.__eq__(self, other): return False
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class packet_out(ofp_packet_out):
-    """
-    Wrapper class for packet_out
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_PACKET_OUT=13)
-
-    Data members inherited from ofp_packet_out:
-    @arg buffer_id
-    @arg in_port
-    @arg actions_len
-    @arg actions: Object of type action_list
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self):
-        ofp_packet_out.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_PACKET_OUT
-        self.actions = action_list()
-        self.data = ""
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        self.actions_len = len(self.actions)
-        packed += ofp_packet_out.pack(self)
-        packed += self.actions.pack()
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_packet_out.unpack(self, binary_string)
-        binary_string = self.actions.unpack(binary_string, bytes=self.actions_len)
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_packet_out.__len__(self)
-        length += len(self.actions)
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'packet_out (OFPT_PACKET_OUT)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_packet_out.show(self, prefix)
-        outstr += prefix + "List actions\n"
-        outstr += self.actions.show(prefix + '  ')
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_packet_out.__eq__(self, other): return False
-        if self.data != other.data: return False
-        if self.actions != other.actions: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class port_mod(ofp_port_mod):
-    """
-    Wrapper class for port_mod
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_PORT_MOD=16)
-
-    Data members inherited from ofp_port_mod:
-    @arg port_no
-    @arg hw_addr
-    @arg config
-    @arg mask
-    @arg advertise
-
-    """
-
-    def __init__(self):
-        ofp_port_mod.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_PORT_MOD
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_port_mod.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_port_mod.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_port_mod.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'port_mod (OFPT_PORT_MOD)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_port_mod.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_port_mod.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class port_status(ofp_port_status):
-    """
-    Wrapper class for port_status
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_PORT_STATUS=12)
-
-    Data members inherited from ofp_port_status:
-    @arg reason
-    @arg desc
-
-    """
-
-    def __init__(self):
-        ofp_port_status.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_PORT_STATUS
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_port_status.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_port_status.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_port_status.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'port_status (OFPT_PORT_STATUS)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_port_status.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_port_status.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class queue_get_config_reply(ofp_queue_get_config_reply):
-    """
-    Wrapper class for queue_get_config_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_QUEUE_GET_CONFIG_REPLY=23)
-
-    Data members inherited from ofp_queue_get_config_reply:
-    @arg port
-    @arg queues: Variable length array of TBD
-
-    """
-
-    def __init__(self):
-        ofp_queue_get_config_reply.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_QUEUE_GET_CONFIG_REPLY
-        self.queues = []
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_queue_get_config_reply.pack(self)
-        for obj in self.queues:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_queue_get_config_reply.unpack(self, binary_string)
-        for obj in self.queues:
-            binary_string = obj.unpack(binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_queue_get_config_reply.__len__(self)
-        for obj in self.queues:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'queue_get_config_reply (OFPT_QUEUE_GET_CONFIG_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_queue_get_config_reply.show(self, prefix)
-        outstr += prefix + "Array queues\n"
-        for obj in self.queues:
-            outstr += obj.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_queue_get_config_reply.__eq__(self, other): return False
-        if self.queues != other.queues: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class queue_get_config_request(ofp_queue_get_config_request):
-    """
-    Wrapper class for queue_get_config_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_QUEUE_GET_CONFIG_REQUEST=22)
-
-    Data members inherited from ofp_queue_get_config_request:
-    @arg port
-
-    """
-
-    def __init__(self):
-        ofp_queue_get_config_request.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_QUEUE_GET_CONFIG_REQUEST
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_queue_get_config_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_queue_get_config_request.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_queue_get_config_request.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'queue_get_config_request (OFPT_QUEUE_GET_CONFIG_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_queue_get_config_request.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_queue_get_config_request.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class set_config(ofp_switch_config):
-    """
-    Wrapper class for set_config
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_SET_CONFIG=9)
-
-    Data members inherited from ofp_switch_config:
-    @arg flags
-    @arg miss_send_len
-
-    """
-
-    def __init__(self):
-        ofp_switch_config.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_SET_CONFIG
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_switch_config.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_switch_config.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_switch_config.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'set_config (OFPT_SET_CONFIG)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_switch_config.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_switch_config.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for stats_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_STATS_REPLY=19)
-
-    Data members inherited from ofp_stats_reply:
-    @arg type
-    @arg flags
-
-    """
-
-    def __init__(self):
-        ofp_stats_reply.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_STATS_REPLY
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_stats_reply.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_stats_reply.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'stats_reply (OFPT_STATS_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_stats_reply.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class stats_request(ofp_stats_request):
-    """
-    Wrapper class for stats_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_STATS_REQUEST=18)
-
-    Data members inherited from ofp_stats_request:
-    @arg type
-    @arg flags
-
-    """
-
-    def __init__(self):
-        ofp_stats_request.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_STATS_REQUEST
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_stats_request.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'stats_request (OFPT_STATS_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_stats_request.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class table_mod(ofp_table_mod):
-    """
-    Wrapper class for table_mod
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (2)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_TABLE_MOD=17)
-
-    Data members inherited from ofp_table_mod:
-    @arg table_id
-    @arg config
-
-    """
-
-    def __init__(self):
-        ofp_table_mod.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_TABLE_MOD
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_table_mod.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_table_mod.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_table_mod.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'table_mod (OFPT_TABLE_MOD)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_table_mod.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_table_mod.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-
-################################################################
-#
-# Stats request and reply subclass definitions
-#
-################################################################
-
-
-# Stats request bodies for desc and table stats are not defined in the
-# OpenFlow header;  We define them here.  They are empty classes, really
-
-class ofp_desc_stats_request(object):
-    """
-    Forced definition of ofp_desc_stats_request (empty class)
-    """
-    def __init__(self):
-        pass
-    def pack(self, assertstruct=True):
-        return ""
-    def unpack(self, binary_string):
-        return binary_string
-    def __len__(self):
-        return 0
-    def show(self, prefix=''):
-        return prefix + "ofp_desc_stats_request (empty)\n"
-    def __eq__(self, other):
-        return type(self) == type(other)
-    def __ne__(self, other):
-        return type(self) != type(other)
-
-OFP_DESC_STATS_REQUEST_BYTES = 0
-
-class ofp_table_stats_request(object):
-    """
-    Forced definition of ofp_table_stats_request (empty class)
-    """
-    def __init__(self):
-        pass
-    def pack(self, assertstruct=True):
-        return ""
-    def unpack(self, binary_string):
-        return binary_string
-    def __len__(self):
-        return 0
-    def show(self, prefix=''):
-        return prefix + "ofp_table_stats_request (empty)\n"
-    def __eq__(self, other):
-        return type(self) == type(other)
-    def __ne__(self, other):
-        return type(self) != type(other)
-
-OFP_TABLE_STATS_REQUEST_BYTES = 0
-
-class ofp_group_desc_stats_request(object):
-    """
-    Forced definition of ofp_group_desc_stats_request (empty class)
-    """
-    def __init__(self):
-        pass
-    def pack(self, assertstruct=True):
-        return ""
-    def unpack(self, binary_string):
-        return binary_string
-    def __len__(self):
-        return 0
-    def show(self, prefix=''):
-        return prefix + "ofp_group_desc_stats_request (empty)\n"
-    def __eq__(self, other):
-        return type(self) == type(other)
-    def __ne__(self, other):
-        return type(self) != type(other)
-
-OFP_GROUP_DESC_STATS_REQUEST_BYTES = 0
-
-
-
-# Stats entries define the content of one element in a stats
-# reply for the indicated type; define _entry for consistency
-
-aggregate_stats_entry = ofp_aggregate_stats_reply
-desc_stats_entry = ofp_desc_stats
-port_stats_entry = ofp_port_stats
-queue_stats_entry = ofp_queue_stats
-table_stats_entry = ofp_table_stats
-group_stats_entry = ofp_group_stats
-group_desc_stats_entry = ofp_group_desc_stats
-
-
-#
-# Flow stats entry contains an action list of variable length, so
-# it is done by hand
-#
-
-class flow_stats_entry(ofp_flow_stats):
-    """
-    Special case flow stats entry to handle action list object
-    """
-    def __init__(self):
-        ofp_flow_stats.__init__(self)
-        self.instructions = instruction_list()
-
-    def pack(self, assertstruct=True):
-        self.length = len(self)
-        packed = ofp_flow_stats.pack(self, assertstruct)
-        packed += self.instructions.pack()
-        if len(packed) != self.length:
-            print("ERROR: flow_stats_entry pack length not equal",
-                  self.length, len(packed))
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = ofp_flow_stats.unpack(self, binary_string)
-        ai_len = self.length - OFP_FLOW_STATS_BYTES
-        if ai_len < 0:
-            print("ERROR: flow_stats_entry unpack length too small",
-                  self.length)
-        binary_string = self.instructions.unpack(binary_string, bytes=ai_len)
-        return binary_string
-
-    def __len__(self):
-        return OFP_FLOW_STATS_BYTES + len(self.instructions)
-
-    def show(self, prefix=''):
-        outstr = prefix + "flow_stats_entry\n"
-        outstr += ofp_flow_stats.show(self, prefix + '  ')
-        outstr += self.instructions.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (ofp_flow_stats.__eq__(self, other) and 
-                self.instructions == other.instructions)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class aggregate_stats_request(ofp_stats_request, ofp_aggregate_stats_request):
-    """
-    Wrapper class for aggregate stats request message
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_aggregate_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_AGGREGATE
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_aggregate_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_aggregate_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking aggregate: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_AGGREGATE_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "aggregate_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_aggregate_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_aggregate_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class aggregate_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for aggregate stats reply
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_AGGREGATE
-        # stats: Array of type aggregate_stats_entry
-        self.stats = []
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = aggregate_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = aggregate_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking aggregate stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "aggregate_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class desc_stats_request(ofp_stats_request, ofp_desc_stats_request):
-    """
-    Wrapper class for desc stats request message
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_desc_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_DESC
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_desc_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_desc_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking desc: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_DESC_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "desc_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_desc_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_desc_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class desc_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for desc stats reply
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_DESC
-        # stats: Array of type desc_stats_entry
-        self.stats = []
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = desc_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = desc_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking desc stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "desc_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class flow_stats_request(ofp_stats_request, ofp_flow_stats_request):
-    """
-    Wrapper class for flow stats request message
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_flow_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_FLOW
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_flow_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_flow_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking flow: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_FLOW_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "flow_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_flow_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_flow_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class flow_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for flow stats reply
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_FLOW
-        # stats: Array of type flow_stats_entry
-        self.stats = []
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = flow_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = flow_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking flow stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "flow_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class port_stats_request(ofp_stats_request, ofp_port_stats_request):
-    """
-    Wrapper class for port stats request message
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_port_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_PORT
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_port_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_port_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking port: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_PORT_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "port_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_port_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_port_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class port_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for port stats reply
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_PORT
-        # stats: Array of type port_stats_entry
-        self.stats = []
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = port_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = port_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking port stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "port_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class queue_stats_request(ofp_stats_request, ofp_queue_stats_request):
-    """
-    Wrapper class for queue stats request message
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_queue_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_QUEUE
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_queue_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_queue_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking queue: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_QUEUE_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "queue_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_queue_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_queue_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class queue_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for queue stats reply
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_QUEUE
-        # stats: Array of type queue_stats_entry
-        self.stats = []
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = queue_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = queue_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking queue stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "queue_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class group_stats_request(ofp_stats_request, ofp_group_stats_request):
-    """
-    Wrapper class for group stats request message
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_group_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_GROUP
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_group_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_group_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking group: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_GROUP_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "group_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_group_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_group_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class group_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for group stats reply
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_GROUP
-        # stats: Array of type group_stats_entry
-        self.stats = []
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = group_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = group_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking group stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "group_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class group_desc_stats_request(ofp_stats_request, ofp_group_desc_stats_request):
-    """
-    Wrapper class for group_desc stats request message
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_group_desc_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_GROUP_DESC
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_group_desc_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_group_desc_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking group_desc: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_GROUP_DESC_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "group_desc_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_group_desc_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_group_desc_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class group_desc_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for group_desc stats reply
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_GROUP_DESC
-        # stats: Array of type group_desc_stats_entry
-        self.stats = []
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = group_desc_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = group_desc_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking group_desc stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "group_desc_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class table_stats_request(ofp_stats_request, ofp_table_stats_request):
-    """
-    Wrapper class for table stats request message
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_table_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_TABLE
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_table_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_table_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking table: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_TABLE_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "table_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_table_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_table_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class table_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for table stats reply
-    """
-    def __init__(self):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_TABLE
-        # stats: Array of type table_stats_entry
-        self.stats = []
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = table_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = table_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking table stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "table_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-# @todo Add buckets to group and group_desc stats obejcts"
-message_type_list = (
-    aggregate_stats_reply,
-    aggregate_stats_request,
-    bad_action_error_msg,
-    bad_request_error_msg,
-    barrier_reply,
-    barrier_request,
-    desc_stats_reply,
-    desc_stats_request,
-    echo_reply,
-    echo_request,
-    error,
-    experimenter,
-    features_reply,
-    features_request,
-    flow_mod,
-    flow_mod_failed_error_msg,
-    flow_removed,
-    flow_stats_reply,
-    flow_stats_request,
-    get_config_reply,
-    get_config_request,
-    group_desc_stats_request,
-    group_desc_stats_reply,
-    group_stats_request,
-    group_stats_reply,
-    group_mod,
-    group_mod_failed_error_msg,
-    hello,
-    hello_failed_error_msg,
-    packet_in,
-    packet_out,
-    port_mod,
-    port_mod_failed_error_msg,
-    port_stats_reply,
-    port_stats_request,
-    port_status,
-    queue_get_config_reply,
-    queue_get_config_request,
-    queue_op_failed_error_msg,
-    queue_stats_reply,
-    queue_stats_request,
-    set_config,
-    switch_config_failed_error_msg,
-    table_mod,
-    table_mod_failed_error_msg,
-    table_stats_reply,
-    table_stats_request,
-    )
-
diff --git a/src/python/of11/message_unittests.py b/src/python/of11/message_unittests.py
deleted file mode 100755
index 04b8679..0000000
--- a/src/python/of11/message_unittests.py
+++ /dev/null
@@ -1,40 +0,0 @@
-#!/usr/bin/python 
-
-import unittest
-import message
-import action
-import instruction
-import cstruct as ofp
-
-class flow_stats_pack(unittest.TestCase):
-    def runTest(self):
-        msg = message.flow_stats_entry()
-        match = ofp.ofp_match()
-        match.wildcards &= ~ofp.OFPFW_IN_PORT
-        act = action.action_output()
-        act.port = 3
-        msg.match = match
-        pkt = msg.pack()
-        self.assertEqual(len(pkt), 136)
-        inst = instruction.instruction_apply_actions()
-        self.assertTrue(inst.actions.add(act), "Could not add action")
-        self.assertTrue(msg.instructions.add(inst), "Could not add instructions")
-        #self.assertTrue(msg.actions.add(act), "Could not add action")
-        pkt = msg.pack()
-        # 160 = 136 for flow_stats_entry and 24 for instruction_list
-        self.assertEqual(len(pkt), 160)
-        rep = message.flow_stats_reply()
-        self.assertEqual(len(rep.pack()),12)
-        rep.stats.append(msg)
-        self.assertEqual(len(rep.pack()),172)
-        
-
-        
-class match_pack(unittest.TestCase):
-    def runTest(self):
-        match = ofp.ofp_match()
-        self.assertEqual(len(match.pack()), 88)
-        
-        
-if __name__ == '__main__':
-    unittest.main()
diff --git a/src/python/of11/parse.py b/src/python/of11/parse.py
deleted file mode 100644
index dfe24c6..0000000
--- a/src/python/of11/parse.py
+++ /dev/null
@@ -1,231 +0,0 @@
-"""
-OpenFlow message parsing functions
-"""
-
-import logging
-import message
-import cstruct as ofp
-
-"""
-of_message.py
-Contains wrapper functions and classes for the of_message namespace
-that are generated by hand.  It includes the rest of the wrapper
-function information into the of_message namespace
-"""
-
-parse_logger = logging.getLogger("parse")
-#parse_logger.setLevel(logging.DEBUG)
-
-# These message types are subclassed
-msg_type_subclassed = [
-    ofp.OFPT_STATS_REQUEST,
-    ofp.OFPT_STATS_REPLY,
-    ofp.OFPT_ERROR
-]
-
-# Maps from sub-types to classes
-stats_reply_to_class_map = {
-    ofp.OFPST_DESC                      : message.desc_stats_reply,
-    ofp.OFPST_AGGREGATE                 : message.aggregate_stats_reply,
-    ofp.OFPST_FLOW                      : message.flow_stats_reply,
-    ofp.OFPST_TABLE                     : message.table_stats_reply,
-    ofp.OFPST_PORT                      : message.port_stats_reply,
-    ofp.OFPST_QUEUE                     : message.queue_stats_reply
-}
-
-stats_request_to_class_map = {
-    ofp.OFPST_DESC                      : message.desc_stats_request,
-    ofp.OFPST_AGGREGATE                 : message.aggregate_stats_request,
-    ofp.OFPST_FLOW                      : message.flow_stats_request,
-    ofp.OFPST_TABLE                     : message.table_stats_request,
-    ofp.OFPST_PORT                      : message.port_stats_request,
-    ofp.OFPST_QUEUE                     : message.queue_stats_request
-}
-
-error_to_class_map = {
-    ofp.OFPET_HELLO_FAILED              : message.hello_failed_error_msg,
-    ofp.OFPET_BAD_REQUEST               : message.bad_request_error_msg,
-    ofp.OFPET_BAD_ACTION                : message.bad_action_error_msg,
-    ofp.OFPET_FLOW_MOD_FAILED           : message.flow_mod_failed_error_msg,
-    ofp.OFPET_PORT_MOD_FAILED           : message.port_mod_failed_error_msg,
-    ofp.OFPET_QUEUE_OP_FAILED           : message.queue_op_failed_error_msg,
-    ofp.OFPET_TABLE_MOD_FAILED          : message.table_mod_failed_error_msg,
-    ofp.OFPET_QUEUE_OP_FAILED           : message.queue_op_failed_error_msg,
-    ofp.OFPET_SWITCH_CONFIG_FAILED      : message.switch_config_failed_error_msg
-}
-
-# Map from header type value to the underlieing message class
-msg_type_to_class_map = {
-    ofp.OFPT_HELLO                      : message.hello,
-    ofp.OFPT_ERROR                      : message.error,
-    ofp.OFPT_ECHO_REQUEST               : message.echo_request,
-    ofp.OFPT_ECHO_REPLY                 : message.echo_reply,
-    ofp.OFPT_EXPERIMENTER               : message.experimenter,
-    ofp.OFPT_FEATURES_REQUEST           : message.features_request,
-    ofp.OFPT_FEATURES_REPLY             : message.features_reply,
-    ofp.OFPT_GET_CONFIG_REQUEST         : message.get_config_request,
-    ofp.OFPT_GET_CONFIG_REPLY           : message.get_config_reply,
-    ofp.OFPT_SET_CONFIG                 : message.set_config,
-    ofp.OFPT_PACKET_IN                  : message.packet_in,
-    ofp.OFPT_FLOW_REMOVED               : message.flow_removed,
-    ofp.OFPT_PORT_STATUS                : message.port_status,
-    ofp.OFPT_PACKET_OUT                 : message.packet_out,
-    ofp.OFPT_FLOW_MOD                   : message.flow_mod,
-    ofp.OFPT_PORT_MOD                   : message.port_mod,
-    ofp.OFPT_TABLE_MOD                  : message.table_mod,
-    ofp.OFPT_STATS_REQUEST              : message.stats_request,
-    ofp.OFPT_STATS_REPLY                : message.stats_reply,
-    ofp.OFPT_BARRIER_REQUEST            : message.barrier_request,
-    ofp.OFPT_BARRIER_REPLY              : message.barrier_reply,
-    ofp.OFPT_QUEUE_GET_CONFIG_REQUEST   : message.queue_get_config_request,
-    ofp.OFPT_QUEUE_GET_CONFIG_REPLY     : message.queue_get_config_reply,
-}
-
-def _of_message_to_object(binary_string):
-    """
-    Map a binary string to the corresponding class.
-
-    Appropriately resolves subclasses
-    """
-    hdr = ofp.ofp_header()
-    hdr.unpack(binary_string)
-    # FIXME: Add error detection
-    if not hdr.type in msg_type_subclassed:
-        return msg_type_to_class_map[hdr.type]()
-    if hdr.type == ofp.OFPT_STATS_REQUEST:
-        sub_hdr = ofp.ofp_stats_request()
-        sub_hdr.unpack(binary_string[ofp.OFP_HEADER_BYTES:])
-        try:
-            obj = stats_request_to_class_map[sub_hdr.type]()
-        except LookupError:
-            obj = None
-        return obj
-    elif hdr.type == ofp.OFPT_STATS_REPLY:
-        sub_hdr = ofp.ofp_stats_reply()
-        sub_hdr.unpack(binary_string[ofp.OFP_HEADER_BYTES:])
-        try:
-            obj = stats_reply_to_class_map[sub_hdr.type]()
-        except LookupError:
-            obj = None
-        return obj
-    elif hdr.type == ofp.OFPT_ERROR:
-        sub_hdr = ofp.ofp_error_msg()
-        sub_hdr.unpack(binary_string[ofp.OFP_HEADER_BYTES:])
-        return error_to_class_map[sub_hdr.type]()
-    else:
-        parse_logger.error("Cannot parse pkt to message")
-        return None
-
-def of_message_parse(binary_string, raw=False):
-    """
-    Parse an OpenFlow packet
-
-    Parses a raw OpenFlow packet into a Python class, with class
-    members fully populated.
-
-    @param binary_string The packet (string) to be parsed
-    @param raw If true, interpret the packet as an L2 packet.  Not
-    yet supported.
-    @return An object of some message class or None if fails
-    Note that any data beyond that parsed is not returned
-
-    """
-
-    if raw:
-        parse_logger.error("raw packet message parsing not supported")
-        return None
-
-    obj = _of_message_to_object(binary_string)
-    if obj:
-        obj.unpack(binary_string)
-    return obj
-
-
-def of_header_parse(binary_string, raw=False):
-    """
-    Parse only the header from an OpenFlow packet
-
-    Parses the header from a raw OpenFlow packet into a
-    an ofp_header Python class.
-
-    @param binary_string The packet (string) to be parsed
-    @param raw If true, interpret the packet as an L2 packet.  Not
-    yet supported.
-    @return An ofp_header object
-
-    """
-
-    if raw:
-        parse_logger.error("raw packet message parsing not supported")
-        return None
-
-    hdr = ofp.ofp_header()
-    hdr.unpack(binary_string)
-
-    return hdr
-
-map_wc_field_to_match_member = {
-    'OFPFW_DL_VLAN'                 : 'dl_vlan',
-    'OFPFW_DL_SRC'                  : 'dl_src',
-    'OFPFW_DL_DST'                  : 'dl_dst',
-    'OFPFW_DL_TYPE'                 : 'dl_type',
-    'OFPFW_NW_PROTO'                : 'nw_proto',
-    'OFPFW_TP_SRC'                  : 'tp_src',
-    'OFPFW_TP_DST'                  : 'tp_dst',
-    'OFPFW_NW_SRC_SHIFT'            : 'nw_src_shift',
-    'OFPFW_NW_SRC_BITS'             : 'nw_src_bits',
-    'OFPFW_NW_SRC_MASK'             : 'nw_src_mask',
-    'OFPFW_NW_SRC_ALL'              : 'nw_src_all',
-    'OFPFW_NW_DST_SHIFT'            : 'nw_dst_shift',
-    'OFPFW_NW_DST_BITS'             : 'nw_dst_bits',
-    'OFPFW_NW_DST_MASK'             : 'nw_dst_mask',
-    'OFPFW_NW_DST_ALL'              : 'nw_dst_all',
-    'OFPFW_DL_VLAN_PCP'             : 'dl_vlan_pcp',
-    'OFPFW_NW_TOS'                  : 'nw_tos'
-}
-
-
-def parse_mac(mac_str):
-    """
-    Parse a MAC address
-
-    Parse a MAC address ':' separated string of hex digits to an
-    array of integer values.  '00:d0:05:5d:24:00' => [0, 208, 5, 93, 36, 0]
-    @param mac_str The string to convert
-    @return Array of 6 integer values
-    """
-    return map(lambda val:eval("0x" + val), mac_str.split(":"))
-
-def parse_ip(ip_str):
-    """
-    Parse an IP address
-
-    Parse an IP address '.' separated string of decimal digits to an
-    host ordered integer.  '172.24.74.77' => 
-    @param ip_str The string to convert
-    @return Integer value
-    """
-    array = map(lambda val:eval(val),ip_str.split("."))
-    val = 0
-    for a in array:
-        val <<= 8
-        val += a
-    return val
-
-def packet_to_flow_match(packet):
-    """
-    Create a flow match that matches packet with the given wildcards
-
-    @param packet The packet to use as a flow template
-    @param pkt_format Currently only L2 is supported.  Will indicate the 
-    overall packet type for parsing
-    @return An ofp_match object if successful.  None if format is not
-    recognized.  The wildcards of the match will be cleared for the
-    values extracted from the packet.
-
-    @todo check min length of packet
-    @todo Check if packet is other than L2 format
-    @todo Implement ICMP and ARP fields
-    """
-
-    return packet.parse()
diff --git a/src/python/of12/__init__.py b/src/python/of12/__init__.py
deleted file mode 100644
index 36dd8fa..0000000
--- a/src/python/of12/__init__.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# Allow accessing constants through the top-level module
-from cstruct import *
-
-# Allow accessing submodules without additional imports
-import action
-import bucket
-import instruction
-import match
-import message
-import parse
diff --git a/src/python/of12/action.py b/src/python/of12/action.py
deleted file mode 100644
index 059e390..0000000
--- a/src/python/of12/action.py
+++ /dev/null
@@ -1,427 +0,0 @@
-
-# Python OpenFlow action wrapper classes
-
-from cstruct import *
-from match import roundup
-from match_list import match_list
-
-class pop_mpls(ofp_action_pop_mpls):
-    """
-    Wrapper class for pop_mpls action object
-
-    Data members inherited from ofp_action_pop_mpls:
-    @arg type
-    @arg len
-    @arg ethertype
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_pop_mpls.__init__(self)
-        self.type = OFPAT_POP_MPLS
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_pop_mpls\n"
-        outstr += ofp_action_pop_mpls.show(self, prefix)
-        return outstr
-
-
-class push_vlan(ofp_action_push):
-    """
-    Wrapper class for push_vlan action object
-
-    Data members inherited from ofp_action_push:
-    @arg type
-    @arg len
-    @arg ethertype
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_push.__init__(self)
-        self.type = OFPAT_PUSH_VLAN
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_push_vlan\n"
-        outstr += ofp_action_push.show(self, prefix)
-        return outstr
-
-
-class experimenter(ofp_action_experimenter_header):
-    """
-    Wrapper class for experimenter action object
-
-    Data members inherited from ofp_action_experimenter_header:
-    @arg type
-    @arg len
-    @arg experimenter
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_experimenter_header.__init__(self)
-        self.type = OFPAT_EXPERIMENTER
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_experimenter\n"
-        outstr += ofp_action_experimenter_header.show(self, prefix)
-        return outstr
-
-
-class dec_mpls_ttl(ofp_action_header):
-    """
-    Wrapper class for dec_mpls_ttl action object
-
-    Data members inherited from ofp_action_header:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_header.__init__(self)
-        self.type = OFPAT_DEC_MPLS_TTL
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_dec_mpls_ttl\n"
-        outstr += ofp_action_header.show(self, prefix)
-        return outstr
-
-
-class set_nw_ttl(ofp_action_nw_ttl):
-    """
-    Wrapper class for set_nw_ttl action object
-
-    Data members inherited from ofp_action_nw_ttl:
-    @arg type
-    @arg len
-    @arg nw_ttl
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_nw_ttl.__init__(self)
-        self.type = OFPAT_SET_NW_TTL
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_nw_ttl\n"
-        outstr += ofp_action_nw_ttl.show(self, prefix)
-        return outstr
-
-
-class copy_ttl_in(ofp_action_header):
-    """
-    Wrapper class for copy_ttl_in action object
-
-    Data members inherited from ofp_action_header:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_header.__init__(self)
-        self.type = OFPAT_COPY_TTL_IN
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_copy_ttl_in\n"
-        outstr += ofp_action_header.show(self, prefix)
-        return outstr
-
-
-class group(ofp_action_group):
-    """
-    Wrapper class for group action object
-
-    Data members inherited from ofp_action_group:
-    @arg type
-    @arg len
-    @arg group_id
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_group.__init__(self)
-        self.type = OFPAT_GROUP
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_group\n"
-        outstr += ofp_action_group.show(self, prefix)
-        return outstr
-    def __len__(self):
-        return roundup(4 + 4,8)
-
-
-class set_queue(ofp_action_set_queue):
-    """
-    Wrapper class for set_queue action object
-
-    Data members inherited from ofp_action_set_queue:
-    @arg type
-    @arg len
-    @arg queue_id
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_set_queue.__init__(self)
-        self.type = OFPAT_SET_QUEUE
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_queue\n"
-        outstr += ofp_action_set_queue.show(self, prefix)
-        return outstr
-
-
-class push_mpls(ofp_action_push):
-    """
-    Wrapper class for push_mpls action object
-
-    Data members inherited from ofp_action_push:
-    @arg type
-    @arg len
-    @arg ethertype
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_push.__init__(self)
-        self.type = OFPAT_PUSH_MPLS
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_push_mpls\n"
-        outstr += ofp_action_push.show(self, prefix)
-        return outstr
-
-
-class copy_ttl_out(ofp_action_header):
-    """
-    Wrapper class for copy_ttl_out action object
-
-    Data members inherited from ofp_action_header:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_header.__init__(self)
-        self.type = OFPAT_COPY_TTL_OUT
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_copy_ttl_out\n"
-        outstr += ofp_action_header.show(self, prefix)
-        return outstr
-
-
-class set_field(ofp_action_set_field):
-    """
-    Wrapper class for set_field action object
-
-    Data members inherited from ofp_action_set_field:
-    @arg type
-    @arg len
-    @arg field
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_set_field.__init__(self)
-        self.type = OFPAT_SET_FIELD
-        self.len = self.__len__()
-        self.field = match_list()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-        
-    def pack(self):
-        packed = ""
-        if len(self.field) <= 4:
-            packed += ofp_action_set_field.pack()
-        else:
-            self.len = len(self)
-            packed += struct.pack("!HH", self.type, self.len)
-            packed += self.field.pack()
-            padding_size = roundup(len(self.field) -4,8) -  (len(self.field) -4)
-            if padding_size:
-                padding = [0] * padding_size
-                packed += struct.pack("!" + str(padding_size) + "B", *padding)
-        return packed
-    
-    def unpack(self, binary_string):
-        if len(binary_string) <= 8:
-            binary_string = ofp_action_set_field.unpack(self)
-        else: 
-            (self.type, self.len) = struct.unpack("!HH",  binary_string[0:4])
-            binary_string = binary_string[4:]
-            binary_string = self.field.unpack(binary_string, bytes = self.len - 4)
-            padding_size = roundup(len(self.field) -4,8) -  (len(self.field) -4) 
-            if padding_size:
-                binary_string = binary_string[padding_size:]
-        return binary_string
-        
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_field\n"
-        outstr += ofp_action_set_field.show(self, prefix)
-        return outstr
-    
-    def __len__(self):
-        return roundup(4 + len(self.field),8)
-         
-
-class set_mpls_ttl(ofp_action_mpls_ttl):
-    """
-    Wrapper class for set_mpls_ttl action object
-
-    Data members inherited from ofp_action_mpls_ttl:
-    @arg type
-    @arg len
-    @arg mpls_ttl
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_mpls_ttl.__init__(self)
-        self.type = OFPAT_SET_MPLS_TTL
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_set_mpls_ttl\n"
-        outstr += ofp_action_mpls_ttl.show(self, prefix)
-        return outstr
-
-
-class pop_vlan(ofp_action_header):
-    """
-    Wrapper class for pop_vlan action object
-
-    Data members inherited from ofp_action_header:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_header.__init__(self)
-        self.type = OFPAT_POP_VLAN
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_pop_vlan\n"
-        outstr += ofp_action_header.show(self, prefix)
-        return outstr
-
-
-class dec_nw_ttl(ofp_action_header):
-    """
-    Wrapper class for dec_nw_ttl action object
-
-    Data members inherited from ofp_action_header:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_header.__init__(self)
-        self.type = OFPAT_DEC_NW_TTL
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_dec_nw_ttl\n"
-        outstr += ofp_action_header.show(self, prefix)
-        return outstr
-
-
-class output(ofp_action_output):
-    """
-    Wrapper class for output action object
-
-    Data members inherited from ofp_action_output:
-    @arg type
-    @arg len
-    @arg port
-    @arg max_len
-
-    """
-    def __init__(self, **kwargs):
-        ofp_action_output.__init__(self)
-        self.type = OFPAT_OUTPUT
-        self.len = self.__len__()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-    def show(self, prefix=''):
-        outstr = prefix + "action_output\n"
-        outstr += ofp_action_output.show(self, prefix)
-        return outstr
-
-action_class_list = (
-    copy_ttl_in,
-    copy_ttl_out,
-    dec_mpls_ttl,
-    dec_nw_ttl,
-    experimenter,
-    group,
-    output,
-    pop_mpls,
-    pop_vlan,
-    push_mpls,
-    push_vlan,
-    set_field,
-    set_mpls_ttl,
-    set_nw_ttl,
-    set_queue)
-
diff --git a/src/python/of12/action_list.py b/src/python/of12/action_list.py
deleted file mode 100644
index 78341e2..0000000
--- a/src/python/of12/action_list.py
+++ /dev/null
@@ -1,88 +0,0 @@
-"""
-OpenFlow action, instruction and bucket list classes
-"""
-
-from action import *
-from cstruct import ofp_header
-from base_list import ofp_base_list
-import copy
-
-action_object_map = {
-    OFPAT_OUTPUT                        : output,
-    OFPAT_SET_FIELD                     : set_field,
-    OFPAT_COPY_TTL_OUT                  : copy_ttl_out,
-    OFPAT_COPY_TTL_IN                   : copy_ttl_in,
-    OFPAT_SET_MPLS_TTL                  : set_mpls_ttl,
-    OFPAT_DEC_MPLS_TTL                  : dec_mpls_ttl,
-    OFPAT_PUSH_VLAN                     : push_vlan,
-    OFPAT_POP_VLAN                      : pop_vlan,
-    OFPAT_PUSH_MPLS                     : push_mpls,
-    OFPAT_POP_MPLS                      : pop_mpls,
-    OFPAT_SET_QUEUE                     : set_queue,
-    OFPAT_GROUP                         : group,
-    OFPAT_SET_NW_TTL                    : set_nw_ttl,
-    OFPAT_DEC_NW_TTL                    : dec_nw_ttl,
-    OFPAT_EXPERIMENTER                  : experimenter
-}
-
-class action_list(ofp_base_list):
-    """
-    Maintain a list of actions
-
-    Data members:
-    @arg actions: An array of action objects such as action_output, etc.
-
-    Methods:
-    @arg pack: Pack the structure into a string
-    @arg unpack: Unpack a string to objects, with proper typing
-    @arg add: Add an action to the list; you can directly access
-    the action member, but add will validate that the added object 
-    is an action.
-
-    """
-
-    def __init__(self, actions=None):
-        ofp_base_list.__init__(self)
-        self.actions = self.items
-        if actions:
-            self.actions.extend(actions)
-        self.name = "action"
-        self.class_list = action_class_list
-
-    def unpack(self, binary_string, bytes=None):
-        """
-        Unpack a list of actions
-        
-        Unpack actions from a binary string, creating an array
-        of objects of the appropriate type
-
-        @param binary_string The string to be unpacked
-
-        @param bytes The total length of the action list in bytes.  
-        Ignored if decode is True.  If None and decode is false, the
-        list is assumed to extend through the entire string.
-
-        @return The remainder of binary_string that was not parsed
-
-        """
-        if bytes == None:
-            bytes = len(binary_string)
-        bytes_done = 0
-        count = 0
-        cur_string = binary_string
-        while bytes_done < bytes:
-            hdr = ofp_action_header()
-            hdr.unpack(cur_string)
-            if hdr.len < OFP_ACTION_HEADER_BYTES:
-                print "ERROR: Action too short"
-                break
-            if not hdr.type in action_object_map.keys():
-                print "WARNING: Skipping unknown action ", hdr.type, hdr.len
-            else:
-                self.actions.append(action_object_map[hdr.type]())
-                self.actions[count].unpack(cur_string)
-                count += 1
-            cur_string = cur_string[hdr.len:]
-            bytes_done += hdr.len
-        return cur_string
-
diff --git a/src/python/of12/base_list.py b/src/python/of12/base_list.py
deleted file mode 100644
index 938c68e..0000000
--- a/src/python/of12/base_list.py
+++ /dev/null
@@ -1,158 +0,0 @@
-
-"""
-Base list class for inheritance.
-Most of the list stuff is common; unpacking is the only thing that
-is left pure virtual.
-"""
-
-import copy
-
-class ofp_base_list(object):
-    """
-    Container type to maintain a list of ofp objects
-
-    Data members:
-    @arg items An array of objects
-    @arg class_list A tuple of classes that may be added to the list;
-         If None, no checking is done
-    @arg name The name to use when displaying the list
-
-    Methods:
-    @arg pack Pack the structure into a string
-    @arg unpack Unpack a string to objects, with proper typing
-    @arg add Add an item to the list; you can directly access
-    the item member, but add will validate that the added object 
-    is of the right type.
-    @arg extend Add the items for another list to this list
-
-    """
-
-    def __init__(self):
-        self.items = []
-        self.class_list = None
-        self.name = "unspecified"
-
-    def pack(self):
-        """
-        Pack a list of items
-
-        Returns the packed string
-        """
-        packed = ""
-        for obj in self.items:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string, bytes=None):
-        """
-        Pure virtual function for a list of items
-
-        Unpack items from a binary string, creating an array
-        of objects of the appropriate type
-
-        @param binary_string The string to be unpacked
-
-        @param bytes The total length of the list in bytes.  
-        Ignored if decode is True.  If None and decode is false, the
-        list is assumed to extend through the entire string.
-
-        @return The remainder of binary_string that was not parsed
-        """
-        pass
-
-    def add(self, item):
-        """
-        Add an item to a list
-
-        @param item The item to add
-        @return True if successful, False if not proper type object
-
-        """
-
-        # Note that the second arg of isinstance can be a list which
-        # checks that the type of item is in the list
-        if (self.class_list is not None) and \
-                not isinstance(item, tuple(self.class_list)):
-            return False
-
-        tmp = copy.deepcopy(item)
-        self.items.append(tmp)
-        return True
-
-    def remove_type(self, target):
-        """
-        Remove the first item on the list of the given type
-
-        @param target The type of item to search
-
-        @return The object removed, if any; otherwise None
-
-        """
-        for index in xrange(len(self.items)):
-            if self.items[index].type == target:
-                return self.items.pop(index)
-        return None
-
-    def find_type(self, target):
-        """
-        Find the first item on the list of the given type
-
-        @param target The type of item to search
-
-        @return The object with the matching type if any; otherwise None
-
-        """
-        for index in xrange(len(self.items)):
-            if self.items[index].type == target:
-                return self.items[index]
-        return None
-
-    def extend(self, other):
-        """
-        Add the items in other to this list
-
-        @param other An object of the same type of list whose
-        entries are to be merged into this list
-
-        @return True if successful.  If not successful, the list
-        may have been modified.
-
-        @todo Check if this is proper deep copy or not
-
-        """
-        for act in other.items:
-            if not self.add(act):
-                return False
-        return True
-
-    def __len__(self):
-        """
-        Length of the list packed as a string
-        """
-        length = 0
-        for item in self.items:
-            length += item.__len__()
-        return length
-
-    def __eq__(self, other):
-        if type(self) != type(other):
-            return False
-        if self.items != other.items:
-            return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    # Methods to make class iterable
-    def __iter__(self):
-        return self.items.__iter__()
-
-    def show(self, prefix=''):
-        outstr = prefix + self.name + "list with " + str(len(self.items)) + \
-            " items\n"
-        count = 0
-        for obj in self.items:
-            count += 1
-            outstr += prefix + " " + self.name + " " + str(count) + ": \n"
-            outstr += obj.show(prefix + '    ')
-        return outstr
diff --git a/src/python/of12/bucket.py b/src/python/of12/bucket.py
deleted file mode 100644
index 64caed1..0000000
--- a/src/python/of12/bucket.py
+++ /dev/null
@@ -1,42 +0,0 @@
-
-# Python OpenFlow bucket wrapper class
-
-from cstruct import ofp_bucket
-from action_list import action_list
-
-
-
-class bucket(ofp_bucket):
-    """
-    Wrapper class for bucket object
-
-    Data members inherited from ofp_bucket:
-    @arg len
-    @arg weight
-    @arg watch_port
-    @arg watch_group
-
-    """
-    def __init__(self):
-        ofp_bucket.__init__(self)
-        self.actions = action_list()
-        self.type = None
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "bucket\n"
-        outstr += ofp_bucket.show(self, prefix)
-        outstr += self.actions.show()
-        return outstr
-    def unpack(self, binary_string):
-        binary_string = ofp_bucket.unpack(self, binary_string)
-        self.actions = action_list()
-        return self.actions.unpack(binary_string)
-    def pack(self):
-        self.len = len(self)
-        packed = ""
-        packed += ofp_bucket.pack(self)
-        packed += self.actions.pack()
-        return packed
-    def __len__(self):
-        return ofp_bucket.__len__(self) + self.actions.__len__()
-
diff --git a/src/python/of12/bucket_list.py b/src/python/of12/bucket_list.py
deleted file mode 100644
index 33d9472..0000000
--- a/src/python/of12/bucket_list.py
+++ /dev/null
@@ -1,52 +0,0 @@
-
-from base_list import ofp_base_list
-from bucket import bucket
-
-class bucket_list(ofp_base_list):
-    """
-    Maintain a list of instructions
-
-    Data members:
-    @arg instructions An array of instructions such as write_actions
-
-    Methods:
-    @arg pack: Pack the structure into a string
-    @arg unpack: Unpack a string to objects, with proper typing
-    @arg add: Add an action to the list; you can directly access
-    the action member, but add will validate that the added object 
-    is an action.
-
-    """
-
-    def __init__(self):
-        ofp_base_list.__init__(self)
-        self.buckets = self.items
-        self.name = "buckets"
-        self.class_list = (bucket,)
-
-    def unpack(self, binary_string, bytes=None):
-        """
-        Unpack a list of buckets
-        
-        Unpack buckets from a binary string, creating an array
-        of objects of the appropriate type
-
-        @param binary_string The string to be unpacked
-
-        @param bytes The total length of the instruction list in bytes.  
-        Ignored if decode is True.  If bytes is None and decode is false, the
-        list is assumed to extend through the entire string.
-
-        @return The remainder of binary_string that was not parsed
-
-        """
-        if bytes == None:
-            bytes = len(binary_string)
-        bytes_done = 0
-        cur_string = binary_string
-        while bytes_done < bytes:
-            b = bucket()
-            cur_string = b.unpack(cur_string)
-            self.buckets.append(b)
-            bytes_done += len(b)
-        return cur_string
diff --git a/src/python/of12/class_maps.py b/src/python/of12/class_maps.py
deleted file mode 100644
index cd60deb..0000000
--- a/src/python/of12/class_maps.py
+++ /dev/null
@@ -1,346 +0,0 @@
-
-# Class to array member map
-class_to_members_map = {
-    'ofp_aggregate_stats_reply'     : [
-                                       'packet_count',
-                                       'byte_count',
-                                       'flow_count'
-                                      ],
-    'ofp_role_request'              : [
-                                       'role',
-                                       'generation_id'
-                                      ],
-    'ofp_table_stats'               : [
-                                       'table_id',
-                                       'name',
-                                       'match',
-                                       'wildcards',
-                                       'write_actions',
-                                       'apply_actions',
-                                       'write_setfields',
-                                       'apply_setfields',
-                                       'metadata_match',
-                                       'metadata_write',
-                                       'instructions',
-                                       'config',
-                                       'max_entries',
-                                       'active_count',
-                                       'lookup_count',
-                                       'matched_count'
-                                      ],
-    'ofp_table_mod'                 : [
-                                       'table_id',
-                                       'config'
-                                      ],
-    'ofp_group_stats'               : [
-                                       'length',
-                                       'group_id',
-                                       'ref_count',
-                                       'packet_count',
-                                       'byte_count'
-                                      ],
-    'ofp_instruction_actions'       : [
-                                       'type',
-                                       'len'
-                                      ],
-    'ofp_queue_stats'               : [
-                                       'port_no',
-                                       'queue_id',
-                                       'tx_bytes',
-                                       'tx_packets',
-                                       'tx_errors'
-                                      ],
-    'ofp_packet_in'                 : [
-                                       'buffer_id',
-                                       'total_len',
-                                       'reason',
-                                       'table_id',
-                                       'match'
-                                      ],
-    'ofp_error_experimenter_msg'    : [
-                                       'type',
-                                       'exp_type',
-                                       'experimenter'
-                                      ],
-    'ofp_bucket_counter'            : [
-                                       'packet_count',
-                                       'byte_count'
-                                      ],
-    'ofp_port_stats_request'        : [
-                                       'port_no'
-                                      ],
-    'ofp_stats_request'             : [
-                                       'type',
-                                       'flags'
-                                      ],
-    'ofp_instruction'               : [
-                                       'type',
-                                       'len'
-                                      ],
-    'ofp_group_stats_request'       : [
-                                       'group_id'
-                                      ],
-    'ofp_experimenter_header'       : [
-                                       'experimenter',
-                                       'exp_type'
-                                      ],
-    'ofp_aggregate_stats_request'   : [
-                                       'table_id',
-                                       'out_port',
-                                       'out_group',
-                                       'cookie',
-                                       'cookie_mask',
-                                       'match'
-                                      ],
-    'ofp_queue_get_config_request'  : [
-                                       'port'
-                                      ],
-    'ofp_action_nw_ttl'             : [
-                                       'type',
-                                       'len',
-                                       'nw_ttl'
-                                      ],
-    'ofp_port_status'               : [
-                                       'reason',
-                                       'desc'
-                                      ],
-    'ofp_action_header'             : [
-                                       'type',
-                                       'len'
-                                      ],
-    'ofp_port_mod'                  : [
-                                       'port_no',
-                                       'hw_addr',
-                                       'config',
-                                       'mask',
-                                       'advertise'
-                                      ],
-    'ofp_action_output'             : [
-                                       'type',
-                                       'len',
-                                       'port',
-                                       'max_len'
-                                      ],
-    'ofp_switch_config'             : [
-                                       'flags',
-                                       'miss_send_len'
-                                      ],
-    'ofp_queue_prop_experimenter'   : [
-                                       'prop_header',
-                                       'experimenter'
-                                      ],
-    'ofp_instruction_write_metadata' : [
-                                       'type',
-                                       'len',
-                                       'metadata',
-                                       'metadata_mask'
-                                      ],
-    'ofp_action_experimenter_header' : [
-                                       'type',
-                                       'len',
-                                       'experimenter'
-                                      ],
-    'ofp_queue_get_config_reply'    : [
-                                       'port'
-                                      ],
-    'ofp_oxm_experimenter_header'   : [
-                                       'oxm_header',
-                                       'experimenter'
-                                      ],
-    'ofp_action_set_queue'          : [
-                                       'type',
-                                       'len',
-                                       'queue_id'
-                                      ],
-    'ofp_action_set_field'          : [
-                                       'type',
-                                       'len',
-                                       'field'
-                                      ],
-    'ofp_flow_stats'                : [
-                                       'length',
-                                       'table_id',
-                                       'duration_sec',
-                                       'duration_nsec',
-                                       'priority',
-                                       'idle_timeout',
-                                       'hard_timeout',
-                                       'cookie',
-                                       'packet_count',
-                                       'byte_count',
-                                       'match'
-                                      ],
-    'ofp_flow_removed'              : [
-                                       'cookie',
-                                       'priority',
-                                       'reason',
-                                       'table_id',
-                                       'duration_sec',
-                                       'duration_nsec',
-                                       'idle_timeout',
-                                       'hard_timeout',
-                                       'packet_count',
-                                       'byte_count',
-                                       'match'
-                                      ],
-    'ofp_queue_prop_min_rate'       : [
-                                       'prop_header',
-                                       'rate'
-                                      ],
-    'ofp_header'                    : [
-                                       'version',
-                                       'type',
-                                       'length',
-                                       'xid'
-                                      ],
-    'ofp_stats_reply'               : [
-                                       'type',
-                                       'flags'
-                                      ],
-    'ofp_queue_stats_request'       : [
-                                       'port_no',
-                                       'queue_id'
-                                      ],
-    'ofp_group_features_stats'      : [
-                                       'types',
-                                       'capabilities',
-                                       'max_groups',
-                                       'actions'
-                                      ],
-    'ofp_group_mod'                 : [
-                                       'command',
-                                       'type',
-                                       'group_id'
-                                      ],
-    'ofp_port_stats'                : [
-                                       'port_no',
-                                       'rx_packets',
-                                       'tx_packets',
-                                       'rx_bytes',
-                                       'tx_bytes',
-                                       'rx_dropped',
-                                       'tx_dropped',
-                                       'rx_errors',
-                                       'tx_errors',
-                                       'rx_frame_err',
-                                       'rx_over_err',
-                                       'rx_crc_err',
-                                       'collisions'
-                                      ],
-    'ofp_packet_queue'              : [
-                                       'queue_id',
-                                       'port',
-                                       'len'
-                                      ],
-    'ofp_port'                      : [
-                                       'port_no',
-                                       'hw_addr',
-                                       'name',
-                                       'config',
-                                       'state',
-                                       'curr',
-                                       'advertised',
-                                       'supported',
-                                       'peer',
-                                       'curr_speed',
-                                       'max_speed'
-                                      ],
-    'ofp_switch_features'           : [
-                                       'datapath_id',
-                                       'n_buffers',
-                                       'n_tables',
-                                       'capabilities',
-                                       'reserved'
-                                      ],
-    'ofp_queue_prop_header'         : [
-                                       'property',
-                                       'len'
-                                      ],
-    'ofp_flow_stats_request'        : [
-                                       'table_id',
-                                       'out_port',
-                                       'out_group',
-                                       'cookie',
-                                       'cookie_mask',
-                                       'match'
-                                      ],
-    'ofp_bucket'                    : [
-                                       'len',
-                                       'weight',
-                                       'watch_port',
-                                       'watch_group'
-                                      ],
-    'ofp_action_pop_mpls'           : [
-                                       'type',
-                                       'len',
-                                       'ethertype'
-                                      ],
-    'ofp_match'                     : [
-                                       'type',
-                                       'length'
-                                      ],
-    'ofp_flow_mod'                  : [
-                                       'cookie',
-                                       'cookie_mask',
-                                       'table_id',
-                                       'command',
-                                       'idle_timeout',
-                                       'hard_timeout',
-                                       'priority',
-                                       'buffer_id',
-                                       'out_port',
-                                       'out_group',
-                                       'flags',
-                                       'match'
-                                      ],
-    'ofp_packet_out'                : [
-                                       'buffer_id',
-                                       'in_port',
-                                       'actions_len'
-                                      ],
-    'ofp_instruction_goto_table'    : [
-                                       'type',
-                                       'len',
-                                       'table_id'
-                                      ],
-    'ofp_queue_prop_max_rate'       : [
-                                       'prop_header',
-                                       'rate'
-                                      ],
-    'ofp_experimenter_stats_header' : [
-                                       'experimenter',
-                                       'exp_type'
-                                      ],
-    'ofp_action_group'              : [
-                                       'type',
-                                       'len',
-                                       'group_id'
-                                      ],
-    'ofp_desc_stats'                : [
-                                       'mfr_desc',
-                                       'hw_desc',
-                                       'sw_desc',
-                                       'serial_num',
-                                       'dp_desc'
-                                      ],
-    'ofp_action_push'               : [
-                                       'type',
-                                       'len',
-                                       'ethertype'
-                                      ],
-    'ofp_group_desc_stats'          : [
-                                       'length',
-                                       'type',
-                                       'group_id'
-                                      ],
-    'ofp_error_msg'                 : [
-                                       'type',
-                                       'code'
-                                      ],
-    'ofp_action_mpls_ttl'           : [
-                                       'type',
-                                       'len',
-                                       'mpls_ttl'
-                                      ],
-    '_ignore' : []
-}
diff --git a/src/python/of12/cstruct.py b/src/python/of12/cstruct.py
deleted file mode 100644
index 06f9ac9..0000000
--- a/src/python/of12/cstruct.py
+++ /dev/null
@@ -1,5922 +0,0 @@
-import struct
-
-# Structure definitions
-class ofp_hello(object):
-    """Automatically generated Python class for ofp_hello
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 0):
-            return binaryString
-        return binaryString[0:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 0
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        return outstr
-
-
-class ofp_aggregate_stats_reply(object):
-    """Automatically generated Python class for ofp_aggregate_stats_reply
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.packet_count = 0
-        self.byte_count = 0
-        self.flow_count = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!QQL", self.packet_count, self.byte_count, self.flow_count)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 24):
-            return binaryString
-        fmt = '!QQL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.packet_count, self.byte_count, self.flow_count) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 20
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[24:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 24
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.packet_count !=  other.packet_count: return False
-        if self.byte_count !=  other.byte_count: return False
-        if self.flow_count !=  other.flow_count: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'packet_count: ' + str(self.packet_count) + '\n'
-        outstr += prefix + 'byte_count: ' + str(self.byte_count) + '\n'
-        outstr += prefix + 'flow_count: ' + str(self.flow_count) + '\n'
-        return outstr
-
-
-class ofp_role_request(object):
-    """Automatically generated Python class for ofp_role_request
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.role = 0
-        self.pad= [0,0,0,0]
-        self.generation_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.role)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        packed += struct.pack("!Q", self.generation_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.role,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!Q'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.generation_id,) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.role !=  other.role: return False
-        if self.pad !=  other.pad: return False
-        if self.generation_id !=  other.generation_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'role: ' + str(self.role) + '\n'
-        outstr += prefix + 'generation_id: ' + str(self.generation_id) + '\n'
-        return outstr
-
-
-class ofp_table_stats(object):
-    """Automatically generated Python class for ofp_table_stats
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.table_id = 0
-        self.pad= [0,0,0,0,0,0,0]
-        self.name= ""
-        self.match = 0
-        self.wildcards = 0
-        self.write_actions = 0
-        self.apply_actions = 0
-        self.write_setfields = 0
-        self.apply_setfields = 0
-        self.metadata_match = 0
-        self.metadata_write = 0
-        self.instructions = 0
-        self.config = 0
-        self.max_entries = 0
-        self.active_count = 0
-        self.lookup_count = 0
-        self.matched_count = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 7):
-            return (False, "self.pad is not of size 7 as expected.")
-        if(not isinstance(self.name, str)):
-            return (False, "self.name is not string as expected.")
-        if(len(self.name) > 32):
-            return (False, "self.name is not of size 32 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!B", self.table_id)
-        packed += struct.pack("!BBBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5], self.pad[6])
-        packed += self.name.ljust(32,'\0')
-        packed += struct.pack("!QQLLQQQQLLLLQQ", self.match, self.wildcards, self.write_actions, self.apply_actions, self.write_setfields, self.apply_setfields, self.metadata_match, self.metadata_write, self.instructions, self.config, self.max_entries, self.active_count, self.lookup_count, self.matched_count)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 128):
-            return binaryString
-        fmt = '!B'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.table_id,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBBB'
-        start = 1
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5], self.pad[6]) = struct.unpack(fmt, binaryString[start:end])
-        self.name = binaryString[8:40].replace("\0","")
-        fmt = '!QQLLQQQQLLLLQQ'
-        start = 40
-        end = start + struct.calcsize(fmt)
-        (self.match, self.wildcards, self.write_actions, self.apply_actions, self.write_setfields, self.apply_setfields, self.metadata_match, self.metadata_write, self.instructions, self.config, self.max_entries, self.active_count, self.lookup_count, self.matched_count) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[128:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 128
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        if self.name !=  other.name: return False
-        if self.match !=  other.match: return False
-        if self.wildcards !=  other.wildcards: return False
-        if self.write_actions !=  other.write_actions: return False
-        if self.apply_actions !=  other.apply_actions: return False
-        if self.write_setfields !=  other.write_setfields: return False
-        if self.apply_setfields !=  other.apply_setfields: return False
-        if self.metadata_write !=  other.metadata_match: return False        
-        if self.metadata_write !=  other.metadata_write: return False
-        if self.instructions !=  other.instructions: return False
-        if self.config !=  other.config: return False
-        if self.max_entries !=  other.max_entries: return False
-        if self.active_count !=  other.active_count: return False
-        if self.lookup_count !=  other.lookup_count: return False
-        if self.matched_count !=  other.matched_count: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'name: ' + str(self.name) + '\n'
-        outstr += prefix + 'match: ' + str(self.match) + '\n'
-        outstr += prefix + 'wildcards: ' + str(self.wildcards) + '\n'
-        outstr += prefix + 'write_actions: ' + str(self.write_actions) + '\n'
-        outstr += prefix + 'apply_actions: ' + str(self.apply_actions) + '\n'
-        outstr += prefix + 'write_setfields: ' + str(self.write_setfields) + '\n'
-        outstr += prefix + 'apply_setfields: ' + str(self.apply_setfields) + '\n'
-        outstr += prefix + 'metadata_match: ' + str(self.metadata_match) + '\n'
-        outstr += prefix + 'metadata_write: ' + str(self.metadata_write) + '\n'
-        outstr += prefix + 'instructions: ' + str(self.instructions) + '\n'
-        outstr += prefix + 'config: ' + str(self.config) + '\n'
-        outstr += prefix + 'max_entries: ' + str(self.max_entries) + '\n'
-        outstr += prefix + 'active_count: ' + str(self.active_count) + '\n'
-        outstr += prefix + 'lookup_count: ' + str(self.lookup_count) + '\n'
-        outstr += prefix + 'matched_count: ' + str(self.matched_count) + '\n'
-        return outstr
-
-
-class ofp_table_mod(object):
-    """Automatically generated Python class for ofp_table_mod
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.table_id = 0
-        self.pad= [0,0,0]
-        self.config = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!B", self.table_id)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        packed += struct.pack("!L", self.config)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!B'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.table_id,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBB'
-        start = 1
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!L'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.config,) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        if self.config !=  other.config: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'config: ' + str(self.config) + '\n'
-        return outstr
-
-
-class ofp_group_stats(object):
-    """Automatically generated Python class for ofp_group_stats
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.length = 0
-        self.pad= [0,0]
-        self.group_id = 0
-        self.ref_count = 0
-        self.pad2= [0,0,0,0]
-        self.packet_count = 0
-        self.byte_count = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 4):
-            return (False, "self.pad2 is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!H", self.length)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        packed += struct.pack("!LL", self.group_id, self.ref_count)
-        packed += struct.pack("!BBBB", self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3])
-        packed += struct.pack("!QQ", self.packet_count, self.byte_count)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 32):
-            return binaryString
-        fmt = '!H'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.length,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BB'
-        start = 2
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LL'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.group_id, self.ref_count) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 12
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQ'
-        start = 16
-        end = start + struct.calcsize(fmt)
-        (self.packet_count, self.byte_count) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[32:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 32
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.length !=  other.length: return False
-        if self.pad !=  other.pad: return False
-        if self.group_id !=  other.group_id: return False
-        if self.ref_count !=  other.ref_count: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.packet_count !=  other.packet_count: return False
-        if self.byte_count !=  other.byte_count: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'length: ' + str(self.length) + '\n'
-        outstr += prefix + 'group_id: ' + str(self.group_id) + '\n'
-        outstr += prefix + 'ref_count: ' + str(self.ref_count) + '\n'
-        outstr += prefix + 'packet_count: ' + str(self.packet_count) + '\n'
-        outstr += prefix + 'byte_count: ' + str(self.byte_count) + '\n'
-        return outstr
-
-
-class ofp_instruction_actions(object):
-    """Automatically generated Python class for ofp_instruction_actions
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.len)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        return outstr
-
-
-class ofp_queue_stats(object):
-    """Automatically generated Python class for ofp_queue_stats
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.queue_id = 0
-        self.tx_bytes = 0
-        self.tx_packets = 0
-        self.tx_errors = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LLQQQ", self.port_no, self.queue_id, self.tx_bytes, self.tx_packets, self.tx_errors)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 32):
-            return binaryString
-        fmt = '!LLQQQ'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no, self.queue_id, self.tx_bytes, self.tx_packets, self.tx_errors) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[32:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 32
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.queue_id !=  other.queue_id: return False
-        if self.tx_bytes !=  other.tx_bytes: return False
-        if self.tx_packets !=  other.tx_packets: return False
-        if self.tx_errors !=  other.tx_errors: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        outstr += prefix + 'queue_id: ' + str(self.queue_id) + '\n'
-        outstr += prefix + 'tx_bytes: ' + str(self.tx_bytes) + '\n'
-        outstr += prefix + 'tx_packets: ' + str(self.tx_packets) + '\n'
-        outstr += prefix + 'tx_errors: ' + str(self.tx_errors) + '\n'
-        return outstr
-
-
-class ofp_packet_in(object):
-    """Automatically generated Python class for ofp_packet_in
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.buffer_id = 0
-        self.total_len = 0
-        self.reason = 0
-        self.table_id = 0
-        self.match = ofp_match()
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LHBB", self.buffer_id, self.total_len, self.reason, self.table_id)
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 12):
-            return binaryString
-        fmt = '!LHBB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.buffer_id, self.total_len, self.reason, self.table_id) = struct.unpack(fmt,  binaryString[start:end])
-        self.match.unpack(binaryString[8:])
-        return binaryString[12:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 12
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.buffer_id !=  other.buffer_id: return False
-        if self.total_len !=  other.total_len: return False
-        if self.reason !=  other.reason: return False
-        if self.table_id !=  other.table_id: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'buffer_id: ' + str(self.buffer_id) + '\n'
-        outstr += prefix + 'total_len: ' + str(self.total_len) + '\n'
-        outstr += prefix + 'reason: ' + str(self.reason) + '\n'
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_error_experimenter_msg(object):
-    """Automatically generated Python class for ofp_error_experimenter_msg
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.exp_type = 0
-        self.experimenter = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHL", self.type, self.exp_type, self.experimenter)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.exp_type, self.experimenter) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.exp_type !=  other.exp_type: return False
-        if self.experimenter !=  other.experimenter: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'exp_type: ' + str(self.exp_type) + '\n'
-        outstr += prefix + 'experimenter: ' + str(self.experimenter) + '\n'
-        return outstr
-
-
-class ofp_bucket_counter(object):
-    """Automatically generated Python class for ofp_bucket_counter
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.packet_count = 0
-        self.byte_count = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!QQ", self.packet_count, self.byte_count)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!QQ'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.packet_count, self.byte_count) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.packet_count !=  other.packet_count: return False
-        if self.byte_count !=  other.byte_count: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'packet_count: ' + str(self.packet_count) + '\n'
-        outstr += prefix + 'byte_count: ' + str(self.byte_count) + '\n'
-        return outstr
-
-
-class ofp_port_stats_request(object):
-    """Automatically generated Python class for ofp_port_stats_request
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port_no)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        return outstr
-
-
-class ofp_stats_request(object):
-    """Automatically generated Python class for ofp_stats_request
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.flags = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.flags)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.flags) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.flags !=  other.flags: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'flags: ' + str(self.flags) + '\n'
-        return outstr
-
-
-class ofp_instruction(object):
-    """Automatically generated Python class for ofp_instruction
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.len)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        return outstr
-
-
-class ofp_group_stats_request(object):
-    """Automatically generated Python class for ofp_group_stats_request
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.group_id = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.group_id)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.group_id,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.group_id !=  other.group_id: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'group_id: ' + str(self.group_id) + '\n'
-        return outstr
-
-
-class ofp_experimenter_header(object):
-    """Automatically generated Python class for ofp_experimenter_header
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.experimenter = 0
-        self.exp_type = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LL", self.experimenter, self.exp_type)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!LL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.experimenter, self.exp_type) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.experimenter !=  other.experimenter: return False
-        if self.exp_type !=  other.exp_type: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'experimenter: ' + str(self.experimenter) + '\n'
-        outstr += prefix + 'exp_type: ' + str(self.exp_type) + '\n'
-        return outstr
-
-
-class ofp_aggregate_stats_request(object):
-    """Automatically generated Python class for ofp_aggregate_stats_request
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.table_id = 0
-        self.pad_asr= [0,0,0]
-        self.out_port = 0
-        self.out_group = 0
-        self.pad_asr2= [0,0,0,0]
-        self.cookie = 0
-        self.cookie_mask = 0
-        self.match = ofp_match()
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad_asr, list)):
-            return (False, "self.pad_asr is not list as expected.")
-        if(len(self.pad_asr) != 3):
-            return (False, "self.pad_asr is not of size 3 as expected.")
-        if(not isinstance(self.pad_asr2, list)):
-            return (False, "self.pad_asr2 is not list as expected.")
-        if(len(self.pad_asr2) != 4):
-            return (False, "self.pad_asr2 is not of size 4 as expected.")
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!B", self.table_id)
-        packed += struct.pack("!BBB", self.pad_asr[0], self.pad_asr[1], self.pad_asr[2])
-        packed += struct.pack("!LL", self.out_port, self.out_group)
-        packed += struct.pack("!BBBB", self.pad_asr2[0], self.pad_asr2[1], self.pad_asr2[2], self.pad_asr2[3])
-        packed += struct.pack("!QQ", self.cookie, self.cookie_mask)
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 36):
-            return binaryString
-        fmt = '!B'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.table_id,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBB'
-        start = 1
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad_asr[1], self.pad_asr[2]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LL'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.out_port, self.out_group) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 12
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad_asr2[1], self.pad_asr2[2], self.pad_asr2[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQ'
-        start = 16
-        end = start + struct.calcsize(fmt)
-        (self.cookie, self.cookie_mask) = struct.unpack(fmt,  binaryString[start:end])
-        self.match.unpack(binaryString[32:])
-        return binaryString[36:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 36
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        if self.out_port !=  other.out_port: return False
-        if self.out_group !=  other.out_group: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.cookie !=  other.cookie: return False
-        if self.cookie_mask !=  other.cookie_mask: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'out_port: ' + str(self.out_port) + '\n'
-        outstr += prefix + 'out_group: ' + str(self.out_group) + '\n'
-        outstr += prefix + 'cookie: ' + str(self.cookie) + '\n'
-        outstr += prefix + 'cookie_mask: ' + str(self.cookie_mask) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_queue_get_config_request(object):
-    """Automatically generated Python class for ofp_queue_get_config_request
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port !=  other.port: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port: ' + str(self.port) + '\n'
-        return outstr
-
-
-class ofp_action_nw_ttl(object):
-    """Automatically generated Python class for ofp_action_nw_ttl
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.nw_ttl = 0
-        self.pad= [0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHB", self.type, self.len, self.nw_ttl)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.nw_ttl) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 5
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.nw_ttl !=  other.nw_ttl: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'nw_ttl: ' + str(self.nw_ttl) + '\n'
-        return outstr
-
-
-class ofp_port_status(object):
-    """Automatically generated Python class for ofp_port_status
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.reason = 0
-        self.pad= [0,0,0,0,0,0,0]
-        self.desc = ofp_port()
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 7):
-            return (False, "self.pad is not of size 7 as expected.")
-        if(not isinstance(self.desc, ofp_port)):
-            return (False, "self.desc is not class ofp_port as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!B", self.reason)
-        packed += struct.pack("!BBBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5], self.pad[6])
-        packed += self.desc.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 72):
-            return binaryString
-        fmt = '!B'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.reason,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBBB'
-        start = 1
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5], self.pad[6]) = struct.unpack(fmt, binaryString[start:end])
-        self.desc.unpack(binaryString[8:])
-        return binaryString[72:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 72
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.reason !=  other.reason: return False
-        if self.pad !=  other.pad: return False
-        if self.desc !=  other.desc: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'reason: ' + str(self.reason) + '\n'
-        outstr += prefix + 'desc: \n' 
-        outstr += self.desc.show(prefix + '  ')
-        return outstr
-
-
-class ofp_action_header(object):
-    """Automatically generated Python class for ofp_action_header
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.len)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        return outstr
-
-
-class ofp_port_mod(object):
-    """Automatically generated Python class for ofp_port_mod
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.pad= [0,0,0,0]
-        self.hw_addr= [0,0,0,0,0,0]
-        self.pad2= [0,0]
-        self.config = 0
-        self.mask = 0
-        self.advertise = 0
-        self.pad3= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        if(not isinstance(self.hw_addr, list)):
-            return (False, "self.hw_addr is not list as expected.")
-        if(len(self.hw_addr) != 6):
-            return (False, "self.hw_addr is not of size 6 as expected.")
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 2):
-            return (False, "self.pad2 is not of size 2 as expected.")
-        if(not isinstance(self.pad3, list)):
-            return (False, "self.pad3 is not list as expected.")
-        if(len(self.pad3) != 4):
-            return (False, "self.pad3 is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port_no)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        packed += struct.pack("!BBBBBB", self.hw_addr[0], self.hw_addr[1], self.hw_addr[2], self.hw_addr[3], self.hw_addr[4], self.hw_addr[5])
-        packed += struct.pack("!BB", self.pad2[0], self.pad2[1])
-        packed += struct.pack("!LLL", self.config, self.mask, self.advertise)
-        packed += struct.pack("!BBBB", self.pad3[0], self.pad3[1], self.pad3[2], self.pad3[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 32):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.hw_addr[0], self.hw_addr[1], self.hw_addr[2], self.hw_addr[3], self.hw_addr[4], self.hw_addr[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BB'
-        start = 14
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LLL'
-        start = 16
-        end = start + struct.calcsize(fmt)
-        (self.config, self.mask, self.advertise) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 28
-        end = start + struct.calcsize(fmt)
-        (self.pad3[0], self.pad3[1], self.pad3[2], self.pad3[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[32:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 32
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.pad !=  other.pad: return False
-        if self.hw_addr !=  other.hw_addr: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.config !=  other.config: return False
-        if self.mask !=  other.mask: return False
-        if self.advertise !=  other.advertise: return False
-        if self.pad3 !=  other.pad3: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        outstr += prefix + 'hw_addr: ' + str(self.hw_addr) + '\n'
-        outstr += prefix + 'config: ' + str(self.config) + '\n'
-        outstr += prefix + 'mask: ' + str(self.mask) + '\n'
-        outstr += prefix + 'advertise: ' + str(self.advertise) + '\n'
-        return outstr
-
-
-class ofp_action_output(object):
-    """Automatically generated Python class for ofp_action_output
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.port = 0
-        self.max_len = 0
-        self.pad= [0,0,0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 6):
-            return (False, "self.pad is not of size 6 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHLH", self.type, self.len, self.port, self.max_len)
-        packed += struct.pack("!BBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!HHLH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.port, self.max_len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 10
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.port !=  other.port: return False
-        if self.max_len !=  other.max_len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'port: ' + str(self.port) + '\n'
-        outstr += prefix + 'max_len: ' + str(self.max_len) + '\n'
-        return outstr
-
-
-class ofp_switch_config(object):
-    """Automatically generated Python class for ofp_switch_config
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.flags = 0
-        self.miss_send_len = 128
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.flags, self.miss_send_len)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 4):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.flags, self.miss_send_len) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[4:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 4
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.flags !=  other.flags: return False
-        if self.miss_send_len !=  other.miss_send_len: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'flags: ' + str(self.flags) + '\n'
-        outstr += prefix + 'miss_send_len: ' + str(self.miss_send_len) + '\n'
-        return outstr
-
-
-class ofp_queue_prop_experimenter(object):
-    """Automatically generated Python class for ofp_queue_prop_experimenter
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.prop_header = ofp_queue_prop_header()
-        self.experimenter = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.prop_header, ofp_queue_prop_header)):
-            return (False, "self.prop_header is not class ofp_queue_prop_header as expected.")
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += self.prop_header.pack()
-        packed += struct.pack("!L", self.experimenter)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        self.prop_header.unpack(binaryString[0:])
-        fmt = '!L'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.experimenter,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 12
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.prop_header !=  other.prop_header: return False
-        if self.experimenter !=  other.experimenter: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'prop_header: \n' 
-        outstr += self.prop_header.show(prefix + '  ')
-        outstr += prefix + 'experimenter: ' + str(self.experimenter) + '\n'
-        return outstr
-
-
-class ofp_instruction_write_metadata(object):
-    """Automatically generated Python class for ofp_instruction_write_metadata
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.pad= [0,0,0,0]
-        self.metadata = 0
-        self.metadata_mask = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.len)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        packed += struct.pack("!QQ", self.metadata, self.metadata_mask)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 24):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQ'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.metadata, self.metadata_mask) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[24:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 24
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        if self.metadata !=  other.metadata: return False
-        if self.metadata_mask !=  other.metadata_mask: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'metadata: ' + str(self.metadata) + '\n'
-        outstr += prefix + 'metadata_mask: ' + str(self.metadata_mask) + '\n'
-        return outstr
-
-
-class ofp_action_experimenter_header(object):
-    """Automatically generated Python class for ofp_action_experimenter_header
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.experimenter = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHL", self.type, self.len, self.experimenter)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.experimenter) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.experimenter !=  other.experimenter: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'experimenter: ' + str(self.experimenter) + '\n'
-        return outstr
-
-
-class ofp_queue_get_config_reply(object):
-    """Automatically generated Python class for ofp_queue_get_config_reply
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port !=  other.port: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port: ' + str(self.port) + '\n'
-        return outstr
-
-
-class ofp_oxm_experimenter_header(object):
-    """Automatically generated Python class for ofp_oxm_experimenter_header
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.oxm_header = 0
-        self.experimenter = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LL", self.oxm_header, self.experimenter)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!LL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.oxm_header, self.experimenter) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.oxm_header !=  other.oxm_header: return False
-        if self.experimenter !=  other.experimenter: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'oxm_header: ' + str(self.oxm_header) + '\n'
-        outstr += prefix + 'experimenter: ' + str(self.experimenter) + '\n'
-        return outstr
-
-
-class ofp_action_set_queue(object):
-    """Automatically generated Python class for ofp_action_set_queue
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.queue_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHL", self.type, self.len, self.queue_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.queue_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.queue_id !=  other.queue_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'queue_id: ' + str(self.queue_id) + '\n'
-        return outstr
-
-
-class ofp_action_set_field(object):
-    """Automatically generated Python class for ofp_action_set_field
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.field= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.field, list)):
-            return (False, "self.field is not list as expected.")
-        if(len(self.field) != 4):
-            return (False, "self.field is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.len)
-        packed += struct.pack("!BBBB", self.field[0], self.field[1], self.field[2], self.field[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.field[0], self.field[1], self.field[2], self.field[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.field !=  other.field: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'field: ' + str(self.field) + '\n'
-        return outstr
-
-
-class ofp_flow_stats(object):
-    """Automatically generated Python class for ofp_flow_stats
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.length = 0
-        self.table_id = 0
-        self.pad = 0
-        self.duration_sec = 0
-        self.duration_nsec = 0
-        self.priority = 0x8000
-        self.idle_timeout = 0
-        self.hard_timeout = 0
-        self.pad2= [0,0,0,0,0,0]
-        self.cookie = 0
-        self.packet_count = 0
-        self.byte_count = 0
-        self.match = ofp_match()
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 6):
-            return (False, "self.pad2 is not of size 6 as expected.")
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HBBLLHHH", self.length, self.table_id, self.pad, self.duration_sec, self.duration_nsec, self.priority, self.idle_timeout, self.hard_timeout)
-        packed += struct.pack("!BBBBBB", self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3], self.pad2[4], self.pad2[5])
-        packed += struct.pack("!QQQ", self.cookie, self.packet_count, self.byte_count)
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 52):
-            return binaryString
-        fmt = '!HBBLLHHH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.length, self.table_id, self.pad, self.duration_sec, self.duration_nsec, self.priority, self.idle_timeout, self.hard_timeout) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 18
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1], self.pad2[2], self.pad2[3], self.pad2[4], self.pad2[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQQ'
-        start = 24
-        end = start + struct.calcsize(fmt)
-        (self.cookie, self.packet_count, self.byte_count) = struct.unpack(fmt,  binaryString[start:end])
-        self.match.unpack(binaryString[48:])
-        return binaryString[52:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 52
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.length !=  other.length: return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        if self.duration_sec !=  other.duration_sec: return False
-        if self.duration_nsec !=  other.duration_nsec: return False
-        if self.priority !=  other.priority: return False
-        if self.idle_timeout !=  other.idle_timeout: return False
-        if self.hard_timeout !=  other.hard_timeout: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.cookie !=  other.cookie: return False
-        if self.packet_count !=  other.packet_count: return False
-        if self.byte_count !=  other.byte_count: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'length: ' + str(self.length) + '\n'
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'duration_sec: ' + str(self.duration_sec) + '\n'
-        outstr += prefix + 'duration_nsec: ' + str(self.duration_nsec) + '\n'
-        outstr += prefix + 'priority: ' + str(self.priority) + '\n'
-        outstr += prefix + 'idle_timeout: ' + str(self.idle_timeout) + '\n'
-        outstr += prefix + 'hard_timeout: ' + str(self.hard_timeout) + '\n'
-        outstr += prefix + 'cookie: ' + str(self.cookie) + '\n'
-        outstr += prefix + 'packet_count: ' + str(self.packet_count) + '\n'
-        outstr += prefix + 'byte_count: ' + str(self.byte_count) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_flow_removed(object):
-    """Automatically generated Python class for ofp_flow_removed
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.cookie = 0
-        self.priority = 0
-        self.reason = 0
-        self.table_id = 0
-        self.duration_sec = 0
-        self.duration_nsec = 0
-        self.idle_timeout = 0
-        self.hard_timeout = 0
-        self.packet_count = 0
-        self.byte_count = 0
-        self.match = ofp_match()
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!QHBBLLHHQQ", self.cookie, self.priority, self.reason, self.table_id, self.duration_sec, self.duration_nsec, self.idle_timeout, self.hard_timeout, self.packet_count, self.byte_count)
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 44):
-            return binaryString
-        fmt = '!QHBBLLHHQQ'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.cookie, self.priority, self.reason, self.table_id, self.duration_sec, self.duration_nsec, self.idle_timeout, self.hard_timeout, self.packet_count, self.byte_count) = struct.unpack(fmt,  binaryString[start:end])
-        self.match.unpack(binaryString[40:])
-        return binaryString[44:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 44
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.cookie !=  other.cookie: return False
-        if self.priority !=  other.priority: return False
-        if self.reason !=  other.reason: return False
-        if self.table_id !=  other.table_id: return False
-        if self.duration_sec !=  other.duration_sec: return False
-        if self.duration_nsec !=  other.duration_nsec: return False
-        if self.idle_timeout !=  other.idle_timeout: return False
-        if self.hard_timeout !=  other.hard_timeout: return False
-        if self.packet_count !=  other.packet_count: return False
-        if self.byte_count !=  other.byte_count: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'cookie: ' + str(self.cookie) + '\n'
-        outstr += prefix + 'priority: ' + str(self.priority) + '\n'
-        outstr += prefix + 'reason: ' + str(self.reason) + '\n'
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'duration_sec: ' + str(self.duration_sec) + '\n'
-        outstr += prefix + 'duration_nsec: ' + str(self.duration_nsec) + '\n'
-        outstr += prefix + 'idle_timeout: ' + str(self.idle_timeout) + '\n'
-        outstr += prefix + 'hard_timeout: ' + str(self.hard_timeout) + '\n'
-        outstr += prefix + 'packet_count: ' + str(self.packet_count) + '\n'
-        outstr += prefix + 'byte_count: ' + str(self.byte_count) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_queue_prop_min_rate(object):
-    """Automatically generated Python class for ofp_queue_prop_min_rate
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.prop_header = ofp_queue_prop_header()
-        self.rate = 0
-        self.pad= [0,0,0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.prop_header, ofp_queue_prop_header)):
-            return (False, "self.prop_header is not class ofp_queue_prop_header as expected.")
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 6):
-            return (False, "self.pad is not of size 6 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += self.prop_header.pack()
-        packed += struct.pack("!H", self.rate)
-        packed += struct.pack("!BBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        self.prop_header.unpack(binaryString[0:])
-        fmt = '!H'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.rate,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 10
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.prop_header !=  other.prop_header: return False
-        if self.rate !=  other.rate: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'prop_header: \n' 
-        outstr += self.prop_header.show(prefix + '  ')
-        outstr += prefix + 'rate: ' + str(self.rate) + '\n'
-        return outstr
-
-
-class ofp_header(object):
-    """Automatically generated Python class for ofp_header
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.version = 0x03
-        self.type = 0
-        self.length = 0
-        self.xid = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if (not (self.type in ofp_type_map.keys())):
-            return (False, "type must have values from ofp_type_map.keys()")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!BBHL", self.version, self.type, self.length, self.xid)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!BBHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.version, self.type, self.length, self.xid) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.version !=  other.version: return False
-        if self.type !=  other.type: return False
-        if self.length !=  other.length: return False
-        if self.xid !=  other.xid: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'version: ' + str(self.version) + '\n'
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'length: ' + str(self.length) + '\n'
-        outstr += prefix + 'xid: ' + str(self.xid) + '\n'
-        return outstr
-
-
-class ofp_stats_reply(object):
-    """Automatically generated Python class for ofp_stats_reply
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.flags = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.flags)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.flags) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.flags !=  other.flags: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'flags: ' + str(self.flags) + '\n'
-        return outstr
-
-
-class ofp_queue_stats_request(object):
-    """Automatically generated Python class for ofp_queue_stats_request
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.queue_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LL", self.port_no, self.queue_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!LL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no, self.queue_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.queue_id !=  other.queue_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        outstr += prefix + 'queue_id: ' + str(self.queue_id) + '\n'
-        return outstr
-
-
-class ofp_group_features_stats(object):
-    """Automatically generated Python class for ofp_group_features_stats
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.types = 0
-        self.capabilities = 0
-        self.max_groups= [0,0,0,0]
-        self.actions= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.max_groups, list)):
-            return (False, "self.max_groups is not list as expected.")
-        if(len(self.max_groups) != 4):
-            return (False, "self.max_groups is not of size 4 as expected.")
-        if(not isinstance(self.actions, list)):
-            return (False, "self.actions is not list as expected.")
-        if(len(self.actions) != 4):
-            return (False, "self.actions is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LL", self.types, self.capabilities)
-        packed += struct.pack("!LLLL", self.max_groups[0], self.max_groups[1], self.max_groups[2], self.max_groups[3])
-        packed += struct.pack("!LLLL", self.actions[0], self.actions[1], self.actions[2], self.actions[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 40):
-            return binaryString
-        fmt = '!LL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.types, self.capabilities) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!LLLL'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.max_groups[0], self.max_groups[1], self.max_groups[2], self.max_groups[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LLLL'
-        start = 24
-        end = start + struct.calcsize(fmt)
-        (self.actions[0], self.actions[1], self.actions[2], self.actions[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[40:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 40
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.types !=  other.types: return False
-        if self.capabilities !=  other.capabilities: return False
-        if self.max_groups !=  other.max_groups: return False
-        if self.actions !=  other.actions: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'types: ' + str(self.types) + '\n'
-        outstr += prefix + 'capabilities: ' + str(self.capabilities) + '\n'
-        outstr += prefix + 'max_groups: ' + str(self.max_groups) + '\n'
-        outstr += prefix + 'actions: ' + str(self.actions) + '\n'
-        return outstr
-
-
-class ofp_group_mod(object):
-    """Automatically generated Python class for ofp_group_mod
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.command = 0
-        self.type = 0
-        self.pad = 0
-        self.group_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HBBL", self.command, self.type, self.pad, self.group_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HBBL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.command, self.type, self.pad, self.group_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.command !=  other.command: return False
-        if self.type !=  other.type: return False
-        if self.pad !=  other.pad: return False
-        if self.group_id !=  other.group_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'command: ' + str(self.command) + '\n'
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'group_id: ' + str(self.group_id) + '\n'
-        return outstr
-
-
-class ofp_port_stats(object):
-    """Automatically generated Python class for ofp_port_stats
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.pad= [0,0,0,0]
-        self.rx_packets = 0
-        self.tx_packets = 0
-        self.rx_bytes = 0
-        self.tx_bytes = 0
-        self.rx_dropped = 0
-        self.tx_dropped = 0
-        self.rx_errors = 0
-        self.tx_errors = 0
-        self.rx_frame_err = 0
-        self.rx_over_err = 0
-        self.rx_crc_err = 0
-        self.collisions = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port_no)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        packed += struct.pack("!QQQQQQQQQQQQ", self.rx_packets, self.tx_packets, self.rx_bytes, self.tx_bytes, self.rx_dropped, self.tx_dropped, self.rx_errors, self.tx_errors, self.rx_frame_err, self.rx_over_err, self.rx_crc_err, self.collisions)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 104):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQQQQQQQQQQQ'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.rx_packets, self.tx_packets, self.rx_bytes, self.tx_bytes, self.rx_dropped, self.tx_dropped, self.rx_errors, self.tx_errors, self.rx_frame_err, self.rx_over_err, self.rx_crc_err, self.collisions) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[104:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 104
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.pad !=  other.pad: return False
-        if self.rx_packets !=  other.rx_packets: return False
-        if self.tx_packets !=  other.tx_packets: return False
-        if self.rx_bytes !=  other.rx_bytes: return False
-        if self.tx_bytes !=  other.tx_bytes: return False
-        if self.rx_dropped !=  other.rx_dropped: return False
-        if self.tx_dropped !=  other.tx_dropped: return False
-        if self.rx_errors !=  other.rx_errors: return False
-        if self.tx_errors !=  other.tx_errors: return False
-        if self.rx_frame_err !=  other.rx_frame_err: return False
-        if self.rx_over_err !=  other.rx_over_err: return False
-        if self.rx_crc_err !=  other.rx_crc_err: return False
-        if self.collisions !=  other.collisions: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        outstr += prefix + 'rx_packets: ' + str(self.rx_packets) + '\n'
-        outstr += prefix + 'tx_packets: ' + str(self.tx_packets) + '\n'
-        outstr += prefix + 'rx_bytes: ' + str(self.rx_bytes) + '\n'
-        outstr += prefix + 'tx_bytes: ' + str(self.tx_bytes) + '\n'
-        outstr += prefix + 'rx_dropped: ' + str(self.rx_dropped) + '\n'
-        outstr += prefix + 'tx_dropped: ' + str(self.tx_dropped) + '\n'
-        outstr += prefix + 'rx_errors: ' + str(self.rx_errors) + '\n'
-        outstr += prefix + 'tx_errors: ' + str(self.tx_errors) + '\n'
-        outstr += prefix + 'rx_frame_err: ' + str(self.rx_frame_err) + '\n'
-        outstr += prefix + 'rx_over_err: ' + str(self.rx_over_err) + '\n'
-        outstr += prefix + 'rx_crc_err: ' + str(self.rx_crc_err) + '\n'
-        outstr += prefix + 'collisions: ' + str(self.collisions) + '\n'
-        return outstr
-
-
-class ofp_packet_queue(object):
-    """Automatically generated Python class for ofp_packet_queue
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.queue_id = 0
-        self.port = 0
-        self.len = 0
-        self.pad= [0,0,0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 6):
-            return (False, "self.pad is not of size 6 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LLH", self.queue_id, self.port, self.len)
-        packed += struct.pack("!BBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!LLH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.queue_id, self.port, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 10
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.queue_id !=  other.queue_id: return False
-        if self.port !=  other.port: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'queue_id: ' + str(self.queue_id) + '\n'
-        outstr += prefix + 'port: ' + str(self.port) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        return outstr
-
-
-class ofp_port(object):
-    """Automatically generated Python class for ofp_port
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.port_no = 0
-        self.pad= [0,0,0,0]
-        self.hw_addr= [0,0,0,0,0,0]
-        self.pad2= [0,0]
-        self.name= ""
-        self.config = 0
-        self.state = 0
-        self.curr = 0
-        self.advertised = 0
-        self.supported = 0
-        self.peer = 0
-        self.curr_speed = 0
-        self.max_speed = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        if(not isinstance(self.hw_addr, list)):
-            return (False, "self.hw_addr is not list as expected.")
-        if(len(self.hw_addr) != 6):
-            return (False, "self.hw_addr is not of size 6 as expected.")
-        if(not isinstance(self.pad2, list)):
-            return (False, "self.pad2 is not list as expected.")
-        if(len(self.pad2) != 2):
-            return (False, "self.pad2 is not of size 2 as expected.")
-        if(not isinstance(self.name, str)):
-            return (False, "self.name is not string as expected.")
-        if(len(self.name) > 16):
-            return (False, "self.name is not of size 16 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!L", self.port_no)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        packed += struct.pack("!BBBBBB", self.hw_addr[0], self.hw_addr[1], self.hw_addr[2], self.hw_addr[3], self.hw_addr[4], self.hw_addr[5])
-        packed += struct.pack("!BB", self.pad2[0], self.pad2[1])
-        packed += self.name.ljust(16,'\0')
-        packed += struct.pack("!LLLLLLLL", self.config, self.state, self.curr, self.advertised, self.supported, self.peer, self.curr_speed, self.max_speed)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 64):
-            return binaryString
-        fmt = '!L'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.port_no,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.hw_addr[0], self.hw_addr[1], self.hw_addr[2], self.hw_addr[3], self.hw_addr[4], self.hw_addr[5]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BB'
-        start = 14
-        end = start + struct.calcsize(fmt)
-        (self.pad2[0], self.pad2[1]) = struct.unpack(fmt, binaryString[start:end])
-        self.name = binaryString[16:32].replace("\0","")
-        fmt = '!LLLLLLLL'
-        start = 32
-        end = start + struct.calcsize(fmt)
-        (self.config, self.state, self.curr, self.advertised, self.supported, self.peer, self.curr_speed, self.max_speed) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[64:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 64
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.port_no !=  other.port_no: return False
-        if self.pad !=  other.pad: return False
-        if self.hw_addr !=  other.hw_addr: return False
-        if self.pad2 !=  other.pad2: return False
-        if self.name !=  other.name: return False
-        if self.config !=  other.config: return False
-        if self.state !=  other.state: return False
-        if self.curr !=  other.curr: return False
-        if self.advertised !=  other.advertised: return False
-        if self.supported !=  other.supported: return False
-        if self.peer !=  other.peer: return False
-        if self.curr_speed !=  other.curr_speed: return False
-        if self.max_speed !=  other.max_speed: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'port_no: ' + str(self.port_no) + '\n'
-        outstr += prefix + 'hw_addr: ' + str(self.hw_addr) + '\n'
-        outstr += prefix + 'name: ' + str(self.name) + '\n'
-        outstr += prefix + 'config: ' + str(self.config) + '\n'
-        outstr += prefix + 'state: ' + str(self.state) + '\n'
-        outstr += prefix + 'curr: ' + str(self.curr) + '\n'
-        outstr += prefix + 'advertised: ' + str(self.advertised) + '\n'
-        outstr += prefix + 'supported: ' + str(self.supported) + '\n'
-        outstr += prefix + 'peer: ' + str(self.peer) + '\n'
-        outstr += prefix + 'curr_speed: ' + str(self.curr_speed) + '\n'
-        outstr += prefix + 'max_speed: ' + str(self.max_speed) + '\n'
-        return outstr
-
-
-class ofp_switch_features(object):
-    """Automatically generated Python class for ofp_switch_features
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.datapath_id = 0
-        self.n_buffers = 0
-        self.n_tables = 0
-        self.pad= [0,0,0]
-        self.capabilities = 0
-        self.reserved = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!QLB", self.datapath_id, self.n_buffers, self.n_tables)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        packed += struct.pack("!LL", self.capabilities, self.reserved)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 24):
-            return binaryString
-        fmt = '!QLB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.datapath_id, self.n_buffers, self.n_tables) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 13
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LL'
-        start = 16
-        end = start + struct.calcsize(fmt)
-        (self.capabilities, self.reserved) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[24:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 24
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.datapath_id !=  other.datapath_id: return False
-        if self.n_buffers !=  other.n_buffers: return False
-        if self.n_tables !=  other.n_tables: return False
-        if self.pad !=  other.pad: return False
-        if self.capabilities !=  other.capabilities: return False
-        if self.reserved !=  other.reserved: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'datapath_id: ' + str(self.datapath_id) + '\n'
-        outstr += prefix + 'n_buffers: ' + str(self.n_buffers) + '\n'
-        outstr += prefix + 'n_tables: ' + str(self.n_tables) + '\n'
-        outstr += prefix + 'capabilities: ' + str(self.capabilities) + '\n'
-        outstr += prefix + 'reserved: ' + str(self.reserved) + '\n'
-        return outstr
-
-
-class ofp_queue_prop_header(object):
-    """Automatically generated Python class for ofp_queue_prop_header
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.property = 0
-        self.len = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.property, self.len)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.property, self.len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.property !=  other.property: return False
-        if self.len !=  other.len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'property: ' + str(self.property) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        return outstr
-
-
-class ofp_flow_stats_request(object):
-    """Automatically generated Python class for ofp_flow_stats_request
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.table_id = 0
-        self.pad_fstat= [0,0,0]
-        self.out_port = 0
-        self.out_group = 0
-        self.pad_fstat2= [0,0,0,0]
-        self.cookie = 0
-        self.cookie_mask = 0
-        self.match = ofp_match()
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad_fstat is not list as expected.")
-        if(len(self.pad_fstat) != 3):
-            return (False, "self.pad_fstat is not of size 3 as expected.")
-        if(not isinstance(self.pad_fstat2, list)):
-            return (False, "self.pad_fstat2 is not list as expected.")
-        if(len(self.pad_fstat2) != 4):
-            return (False, "self.pad_ftsat2 is not of size 4 as expected.")
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!B", self.table_id)
-        packed += struct.pack("!BBB", self.pad_fstat[0], self.pad_fstat[1], self.pad_fstat[2])
-        packed += struct.pack("!LL", self.out_port, self.out_group)
-        packed += struct.pack("!BBBB", self.pad_fstat2[0], self.pad_fstat2[1], self.pad_fstat2[2], self.pad_fstat2[3])
-        packed += struct.pack("!QQ", self.cookie, self.cookie_mask)
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 36):
-            return binaryString
-        fmt = '!B'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.table_id,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBB'
-        start = 1
-        end = start + struct.calcsize(fmt)
-        (self.pad_fstat[0], self.pad_fstat[1], self.pad_fstat[2]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!LL'
-        start = 4
-        end = start + struct.calcsize(fmt)
-        (self.out_port, self.out_group) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 12
-        end = start + struct.calcsize(fmt)
-        (self.pad_fstat2[0], self.pad_fstat2[1], self.pad_fstat2[2], self.pad_fstat2[3]) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!QQ'
-        start = 16
-        end = start + struct.calcsize(fmt)
-        (self.cookie, self.cookie_mask) = struct.unpack(fmt,  binaryString[start:end])
-        self.match.unpack(binaryString[32:])
-        return binaryString[36:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 36
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad_fstat !=  other.pad_fstat: return False
-        if self.out_port !=  other.out_port: return False
-        if self.out_group !=  other.out_group: return False
-        if self.pad_fstat2 !=  other.pad_fstat2: return False
-        if self.cookie !=  other.cookie: return False
-        if self.cookie_mask !=  other.cookie_mask: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'out_port: ' + str(self.out_port) + '\n'
-        outstr += prefix + 'out_group: ' + str(self.out_group) + '\n'
-        outstr += prefix + 'cookie: ' + str(self.cookie) + '\n'
-        outstr += prefix + 'cookie_mask: ' + str(self.cookie_mask) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_bucket(object):
-    """Automatically generated Python class for ofp_bucket
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.len = 0
-        self.weight = 0
-        self.watch_port = 0
-        self.watch_group = 0
-        self.pad= [0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 4):
-            return (False, "self.pad is not of size 4 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHLL", self.len, self.weight, self.watch_port, self.watch_group)
-        packed += struct.pack("!BBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!HHLL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.len, self.weight, self.watch_port, self.watch_group) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBB'
-        start = 12
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.len !=  other.len: return False
-        if self.weight !=  other.weight: return False
-        if self.watch_port !=  other.watch_port: return False
-        if self.watch_group !=  other.watch_group: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'weight: ' + str(self.weight) + '\n'
-        outstr += prefix + 'watch_port: ' + str(self.watch_port) + '\n'
-        outstr += prefix + 'watch_group: ' + str(self.watch_group) + '\n'
-        return outstr
-
-
-class ofp_action_pop_mpls(object):
-    """Automatically generated Python class for ofp_action_pop_mpls
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.ethertype = 0
-        self.pad= [0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHH", self.type, self.len, self.ethertype)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.ethertype) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 6
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.ethertype !=  other.ethertype: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'ethertype: ' + str(self.ethertype) + '\n'
-        return outstr
-
-
-class ofp_match(object):
-    """Automatically generated Python class for ofp_match
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = OFPMT_OXM
-        #exclude padding bytes
-        self.length = OFP_MATCH_BYTES 
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.length)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 4):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.length) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[4:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 4
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.length !=  other.length: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'length: ' + str(self.length) + '\n'
-        return outstr
-
-
-class ofp_flow_mod(object):
-    """Automatically generated Python class for ofp_flow_mod
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.cookie = 0
-        self.cookie_mask = 0
-        self.table_id = 0
-        self.command = 0
-        self.idle_timeout = 0
-        self.hard_timeout = 0
-        self.priority = 0x8000
-        self.buffer_id = 0
-        self.out_port = 0
-        self.out_group = 0
-        self.flags = 0
-        self.pad= [0,0]
-        self.match = ofp_match()
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        if(not isinstance(self.match, ofp_match)):
-            return (False, "self.match is not class ofp_match as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!QQBBHHHLLLH", self.cookie, self.cookie_mask, self.table_id, self.command, self.idle_timeout, self.hard_timeout, self.priority, self.buffer_id, self.out_port, self.out_group, self.flags)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        packed += self.match.pack()
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 44):
-            return binaryString
-        fmt = '!QQBBHHHLLLH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.cookie, self.cookie_mask, self.table_id, self.command, self.idle_timeout, self.hard_timeout, self.priority, self.buffer_id, self.out_port, self.out_group, self.flags) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 38
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        self.match.unpack(binaryString[40:])
-        return binaryString[44:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 44
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.cookie !=  other.cookie: return False
-        if self.cookie_mask !=  other.cookie_mask: return False
-        if self.table_id !=  other.table_id: return False
-        if self.command !=  other.command: return False
-        if self.idle_timeout !=  other.idle_timeout: return False
-        if self.hard_timeout !=  other.hard_timeout: return False
-        if self.priority !=  other.priority: return False
-        if self.buffer_id !=  other.buffer_id: return False
-        if self.out_port !=  other.out_port: return False
-        if self.out_group !=  other.out_group: return False
-        if self.flags !=  other.flags: return False
-        if self.pad !=  other.pad: return False
-        if self.match !=  other.match: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'cookie: ' + str(self.cookie) + '\n'
-        outstr += prefix + 'cookie_mask: ' + str(self.cookie_mask) + '\n'
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        outstr += prefix + 'command: ' + str(self.command) + '\n'
-        outstr += prefix + 'idle_timeout: ' + str(self.idle_timeout) + '\n'
-        outstr += prefix + 'hard_timeout: ' + str(self.hard_timeout) + '\n'
-        outstr += prefix + 'priority: ' + str(self.priority) + '\n'
-        outstr += prefix + 'buffer_id: ' + str(self.buffer_id) + '\n'
-        outstr += prefix + 'out_port: ' + str(self.out_port) + '\n'
-        outstr += prefix + 'out_group: ' + str(self.out_group) + '\n'
-        outstr += prefix + 'flags: ' + str(self.flags) + '\n'
-        outstr += prefix + 'match: \n' 
-        outstr += self.match.show(prefix + '  ')
-        return outstr
-
-
-class ofp_packet_out(object):
-    """Automatically generated Python class for ofp_packet_out
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.buffer_id = 4294967295
-        self.in_port = 0
-        self.actions_len = 0
-        self.pad= [0,0,0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 6):
-            return (False, "self.pad is not of size 6 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LLH", self.buffer_id, self.in_port, self.actions_len)
-        packed += struct.pack("!BBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        fmt = '!LLH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.buffer_id, self.in_port, self.actions_len) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 10
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.buffer_id !=  other.buffer_id: return False
-        if self.in_port !=  other.in_port: return False
-        if self.actions_len !=  other.actions_len: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'buffer_id: ' + str(self.buffer_id) + '\n'
-        outstr += prefix + 'in_port: ' + str(self.in_port) + '\n'
-        outstr += prefix + 'actions_len: ' + str(self.actions_len) + '\n'
-        return outstr
-
-
-class ofp_instruction_goto_table(object):
-    """Automatically generated Python class for ofp_instruction_goto_table
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.table_id = 0
-        self.pad= [0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHB", self.type, self.len, self.table_id)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.table_id) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 5
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.table_id !=  other.table_id: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'table_id: ' + str(self.table_id) + '\n'
-        return outstr
-
-
-class ofp_queue_prop_max_rate(object):
-    """Automatically generated Python class for ofp_queue_prop_max_rate
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.prop_header = ofp_queue_prop_header()
-        self.rate = 0
-        self.pad= [0,0,0,0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.prop_header, ofp_queue_prop_header)):
-            return (False, "self.prop_header is not class ofp_queue_prop_header as expected.")
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 6):
-            return (False, "self.pad is not of size 6 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += self.prop_header.pack()
-        packed += struct.pack("!H", self.rate)
-        packed += struct.pack("!BBBBBB", self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 16):
-            return binaryString
-        self.prop_header.unpack(binaryString[0:])
-        fmt = '!H'
-        start = 8
-        end = start + struct.calcsize(fmt)
-        (self.rate,) = struct.unpack(fmt, binaryString[start:end])
-        fmt = '!BBBBBB'
-        start = 10
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2], self.pad[3], self.pad[4], self.pad[5]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[16:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 16
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.prop_header !=  other.prop_header: return False
-        if self.rate !=  other.rate: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'prop_header: \n' 
-        outstr += self.prop_header.show(prefix + '  ')
-        outstr += prefix + 'rate: ' + str(self.rate) + '\n'
-        return outstr
-
-
-class ofp_experimenter_stats_header(object):
-    """Automatically generated Python class for ofp_experimenter_stats_header
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.experimenter = 0
-        self.exp_type = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!LL", self.experimenter, self.exp_type)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!LL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.experimenter, self.exp_type) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.experimenter !=  other.experimenter: return False
-        if self.exp_type !=  other.exp_type: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'experimenter: ' + str(self.experimenter) + '\n'
-        outstr += prefix + 'exp_type: ' + str(self.exp_type) + '\n'
-        return outstr
-
-
-class ofp_action_group(object):
-    """Automatically generated Python class for ofp_action_group
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.group_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHL", self.type, self.len, self.group_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.group_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.group_id !=  other.group_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'group_id: ' + str(self.group_id) + '\n'
-        return outstr
-
-
-class ofp_desc_stats(object):
-    """Automatically generated Python class for ofp_desc_stats
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.mfr_desc= ""
-        self.hw_desc= ""
-        self.sw_desc= ""
-        self.serial_num= ""
-        self.dp_desc= ""
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.mfr_desc, str)):
-            return (False, "self.mfr_desc is not string as expected.")
-        if(len(self.mfr_desc) > 256):
-            return (False, "self.mfr_desc is not of size 256 as expected.")
-        if(not isinstance(self.hw_desc, str)):
-            return (False, "self.hw_desc is not string as expected.")
-        if(len(self.hw_desc) > 256):
-            return (False, "self.hw_desc is not of size 256 as expected.")
-        if(not isinstance(self.sw_desc, str)):
-            return (False, "self.sw_desc is not string as expected.")
-        if(len(self.sw_desc) > 256):
-            return (False, "self.sw_desc is not of size 256 as expected.")
-        if(not isinstance(self.serial_num, str)):
-            return (False, "self.serial_num is not string as expected.")
-        if(len(self.serial_num) > 32):
-            return (False, "self.serial_num is not of size 32 as expected.")
-        if(not isinstance(self.dp_desc, str)):
-            return (False, "self.dp_desc is not string as expected.")
-        if(len(self.dp_desc) > 256):
-            return (False, "self.dp_desc is not of size 256 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += self.mfr_desc.ljust(256,'\0')
-        packed += self.hw_desc.ljust(256,'\0')
-        packed += self.sw_desc.ljust(256,'\0')
-        packed += self.serial_num.ljust(32,'\0')
-        packed += self.dp_desc.ljust(256,'\0')
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 1056):
-            return binaryString
-        self.mfr_desc = binaryString[0:256].replace("\0","")
-        self.hw_desc = binaryString[256:512].replace("\0","")
-        self.sw_desc = binaryString[512:768].replace("\0","")
-        self.serial_num = binaryString[768:800].replace("\0","")
-        self.dp_desc = binaryString[800:1056].replace("\0","")
-        return binaryString[1056:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 1056
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.mfr_desc !=  other.mfr_desc: return False
-        if self.hw_desc !=  other.hw_desc: return False
-        if self.sw_desc !=  other.sw_desc: return False
-        if self.serial_num !=  other.serial_num: return False
-        if self.dp_desc !=  other.dp_desc: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'mfr_desc: ' + str(self.mfr_desc) + '\n'
-        outstr += prefix + 'hw_desc: ' + str(self.hw_desc) + '\n'
-        outstr += prefix + 'sw_desc: ' + str(self.sw_desc) + '\n'
-        outstr += prefix + 'serial_num: ' + str(self.serial_num) + '\n'
-        outstr += prefix + 'dp_desc: ' + str(self.dp_desc) + '\n'
-        return outstr
-
-
-class ofp_action_push(object):
-    """Automatically generated Python class for ofp_action_push
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.ethertype = 0
-        self.pad= [0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 2):
-            return (False, "self.pad is not of size 2 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHH", self.type, self.len, self.ethertype)
-        packed += struct.pack("!BB", self.pad[0], self.pad[1])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.ethertype) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BB'
-        start = 6
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.ethertype !=  other.ethertype: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'ethertype: ' + str(self.ethertype) + '\n'
-        return outstr
-
-
-class ofp_group_desc_stats(object):
-    """Automatically generated Python class for ofp_group_desc_stats
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.length = 0
-        self.type = 0
-        self.pad = 0
-        self.group_id = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HBBL", self.length, self.type, self.pad, self.group_id)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HBBL'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.length, self.type, self.pad, self.group_id) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.length !=  other.length: return False
-        if self.type !=  other.type: return False
-        if self.pad !=  other.pad: return False
-        if self.group_id !=  other.group_id: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'length: ' + str(self.length) + '\n'
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'group_id: ' + str(self.group_id) + '\n'
-        return outstr
-
-
-class ofp_error_msg(object):
-    """Automatically generated Python class for ofp_error_msg
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.code = 0
-
-    def __assert(self):
-        """Sanity check
-        """
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HH", self.type, self.code)
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 4):
-            return binaryString
-        fmt = '!HH'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.code) = struct.unpack(fmt,  binaryString[start:end])
-        return binaryString[4:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 4
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.code !=  other.code: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'code: ' + str(self.code) + '\n'
-        return outstr
-
-
-class ofp_action_mpls_ttl(object):
-    """Automatically generated Python class for ofp_action_mpls_ttl
-
-    Date 2012-06-25
-    Created by of.pythonize.pythonizer
-    Core structure: Messages do not include ofp_header
-    Does not include var-length arrays
-    """
-    def __init__(self):
-        """Initialize
-        Declare members and default values
-        """
-        self.type = 0
-        self.len = 0
-        self.mpls_ttl = 0
-        self.pad= [0,0,0]
-
-    def __assert(self):
-        """Sanity check
-        """
-        if(not isinstance(self.pad, list)):
-            return (False, "self.pad is not list as expected.")
-        if(len(self.pad) != 3):
-            return (False, "self.pad is not of size 3 as expected.")
-        return (True, None)
-
-    def pack(self, assertstruct=True):
-        """Pack message
-        Packs empty array used as placeholder
-        """
-        if(assertstruct):
-            if(not self.__assert()[0]):
-                return None
-        packed = ""
-        packed += struct.pack("!HHB", self.type, self.len, self.mpls_ttl)
-        packed += struct.pack("!BBB", self.pad[0], self.pad[1], self.pad[2])
-        return packed
-
-    def unpack(self, binaryString):
-        """Unpack message
-        Do not unpack empty array used as placeholder
-        since they can contain heterogeneous type
-        """
-        if (len(binaryString) < 8):
-            return binaryString
-        fmt = '!HHB'
-        start = 0
-        end = start + struct.calcsize(fmt)
-        (self.type, self.len, self.mpls_ttl) = struct.unpack(fmt,  binaryString[start:end])
-        fmt = '!BBB'
-        start = 5
-        end = start + struct.calcsize(fmt)
-        (self.pad[0], self.pad[1], self.pad[2]) = struct.unpack(fmt, binaryString[start:end])
-        return binaryString[8:]
-
-    def __len__(self):
-        """Return length of message
-        """
-        l = 8
-        return l
-
-    def __eq__(self, other):
-        """Return True if self and other have same values
-        """
-        if type(self) != type(other): return False
-        if self.type !=  other.type: return False
-        if self.len !=  other.len: return False
-        if self.mpls_ttl !=  other.mpls_ttl: return False
-        if self.pad !=  other.pad: return False
-        return True
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-    def show(self, prefix=''):
-        """Generate string showing basic members of structure
-        """
-        outstr = ''
-        outstr += prefix + 'type: ' + str(self.type) + '\n'
-        outstr += prefix + 'len: ' + str(self.len) + '\n'
-        outstr += prefix + 'mpls_ttl: ' + str(self.mpls_ttl) + '\n'
-        return outstr
-
-
-# Enumerated type definitions
-ofp_error_type = ['OFPET_HELLO_FAILED', 'OFPET_BAD_REQUEST', 'OFPET_BAD_ACTION', 'OFPET_BAD_INSTRUCTION', 'OFPET_BAD_MATCH', 'OFPET_FLOW_MOD_FAILED', 'OFPET_GROUP_MOD_FAILED', 'OFPET_PORT_MOD_FAILED', 'OFPET_TABLE_MOD_FAILED', 'OFPET_QUEUE_OP_FAILED', 'OFPET_SWITCH_CONFIG_FAILED', 'OFPET_ROLE_REQUEST_FAILED', 'OFPET_EXPERIMENTER']
-OFPET_HELLO_FAILED                  = 0
-OFPET_BAD_REQUEST                   = 1
-OFPET_BAD_ACTION                    = 2
-OFPET_BAD_INSTRUCTION               = 3
-OFPET_BAD_MATCH                     = 4
-OFPET_FLOW_MOD_FAILED               = 5
-OFPET_GROUP_MOD_FAILED              = 6
-OFPET_PORT_MOD_FAILED               = 7
-OFPET_TABLE_MOD_FAILED              = 8
-OFPET_QUEUE_OP_FAILED               = 9
-OFPET_SWITCH_CONFIG_FAILED          = 10
-OFPET_ROLE_REQUEST_FAILED           = 11
-OFPET_EXPERIMENTER                  = 65535
-ofp_error_type_map = {
-    0                               : 'OFPET_HELLO_FAILED',
-    1                               : 'OFPET_BAD_REQUEST',
-    2                               : 'OFPET_BAD_ACTION',
-    3                               : 'OFPET_BAD_INSTRUCTION',
-    4                               : 'OFPET_BAD_MATCH',
-    5                               : 'OFPET_FLOW_MOD_FAILED',
-    6                               : 'OFPET_GROUP_MOD_FAILED',
-    7                               : 'OFPET_PORT_MOD_FAILED',
-    8                               : 'OFPET_TABLE_MOD_FAILED',
-    9                               : 'OFPET_QUEUE_OP_FAILED',
-    10                              : 'OFPET_SWITCH_CONFIG_FAILED',
-    11                              : 'OFPET_ROLE_REQUEST_FAILED',
-    65535                           : 'OFPET_EXPERIMENTER'
-}
-
-ofp_flow_mod_flags = ['OFPFF_SEND_FLOW_REM', 'OFPFF_CHECK_OVERLAP', 'OFPFF_RESET_COUNTS']
-OFPFF_SEND_FLOW_REM                 = 1
-OFPFF_CHECK_OVERLAP                 = 2
-OFPFF_RESET_COUNTS                  = 4
-ofp_flow_mod_flags_map = {
-    1                               : 'OFPFF_SEND_FLOW_REM',
-    2                               : 'OFPFF_CHECK_OVERLAP',
-    4                               : 'OFPFF_RESET_COUNTS'
-}
-
-ofp_controller_role = ['OFPCR_ROLE_NOCHANGE', 'OFPCR_ROLE_EQUAL', 'OFPCR_ROLE_MASTER', 'OFPCR_ROLE_SLAVE']
-OFPCR_ROLE_NOCHANGE                 = 0
-OFPCR_ROLE_EQUAL                    = 1
-OFPCR_ROLE_MASTER                   = 2
-OFPCR_ROLE_SLAVE                    = 3
-ofp_controller_role_map = {
-    0                               : 'OFPCR_ROLE_NOCHANGE',
-    1                               : 'OFPCR_ROLE_EQUAL',
-    2                               : 'OFPCR_ROLE_MASTER',
-    3                               : 'OFPCR_ROLE_SLAVE'
-}
-
-ofp_stats_reply_flags = ['OFPSF_REPLY_MORE']
-OFPSF_REPLY_MORE                    = 1
-ofp_stats_reply_flags_map = {
-    1                               : 'OFPSF_REPLY_MORE'
-}
-
-ofp_port_no = ['OFPP_MAX', 'OFPP_IN_PORT', 'OFPP_TABLE', 'OFPP_NORMAL', 'OFPP_FLOOD', 'OFPP_ALL', 'OFPP_CONTROLLER', 'OFPP_LOCAL', 'OFPP_ANY']
-OFPP_MAX                            = 4294967040
-OFPP_IN_PORT                        = 4294967288
-OFPP_TABLE                          = 4294967289
-OFPP_NORMAL                         = 4294967290
-OFPP_FLOOD                          = 4294967291
-OFPP_ALL                            = 4294967292
-OFPP_CONTROLLER                     = 4294967293
-OFPP_LOCAL                          = 4294967294
-OFPP_ANY                            = 4294967295
-ofp_port_no_map = {
-    4294967040                      : 'OFPP_MAX',
-    4294967288                      : 'OFPP_IN_PORT',
-    4294967289                      : 'OFPP_TABLE',
-    4294967290                      : 'OFPP_NORMAL',
-    4294967291                      : 'OFPP_FLOOD',
-    4294967292                      : 'OFPP_ALL',
-    4294967293                      : 'OFPP_CONTROLLER',
-    4294967294                      : 'OFPP_LOCAL',
-    4294967295                      : 'OFPP_ANY'
-}
-
-ofp_bad_request_code = ['OFPBRC_BAD_VERSION', 'OFPBRC_BAD_TYPE', 'OFPBRC_BAD_STAT', 'OFPBRC_BAD_EXPERIMENTER', 'OFPBRC_BAD_EXP_TYPE', 'OFPBRC_EPERM', 'OFPBRC_BAD_LEN', 'OFPBRC_BUFFER_EMPTY', 'OFPBRC_BUFFER_UNKNOWN', 'OFPBRC_BAD_TABLE_ID', 'OFPBRC_IS_SLAVE', 'OFPBRC_BAD_PORT', 'OFPBRC_BAD_PACKET']
-OFPBRC_BAD_VERSION                  = 0
-OFPBRC_BAD_TYPE                     = 1
-OFPBRC_BAD_STAT                     = 2
-OFPBRC_BAD_EXPERIMENTER             = 3
-OFPBRC_BAD_EXP_TYPE                 = 4
-OFPBRC_EPERM                        = 5
-OFPBRC_BAD_LEN                      = 6
-OFPBRC_BUFFER_EMPTY                 = 7
-OFPBRC_BUFFER_UNKNOWN               = 8
-OFPBRC_BAD_TABLE_ID                 = 9
-OFPBRC_IS_SLAVE                     = 10
-OFPBRC_BAD_PORT                     = 11
-OFPBRC_BAD_PACKET                   = 12
-ofp_bad_request_code_map = {
-    0                               : 'OFPBRC_BAD_VERSION',
-    1                               : 'OFPBRC_BAD_TYPE',
-    2                               : 'OFPBRC_BAD_STAT',
-    3                               : 'OFPBRC_BAD_EXPERIMENTER',
-    4                               : 'OFPBRC_BAD_EXP_TYPE',
-    5                               : 'OFPBRC_EPERM',
-    6                               : 'OFPBRC_BAD_LEN',
-    7                               : 'OFPBRC_BUFFER_EMPTY',
-    8                               : 'OFPBRC_BUFFER_UNKNOWN',
-    9                               : 'OFPBRC_BAD_TABLE_ID',
-    10                              : 'OFPBRC_IS_SLAVE',
-    11                              : 'OFPBRC_BAD_PORT',
-    12                              : 'OFPBRC_BAD_PACKET'
-}
-
-ofp_bad_instruction_code = ['OFPBIC_UNKNOWN_INST', 'OFPBIC_UNSUP_INST', 'OFPBIC_BAD_TABLE_ID', 'OFPBIC_UNSUP_METADATA', 'OFPBIC_UNSUP_METADATA_MASK', 'OFPBIC_BAD_EXPERIMENTER', 'OFPBIC_BAD_EXP_TYPE', 'OFPBIC_BAD_LEN', 'OFPBIC_EPERM']
-OFPBIC_UNKNOWN_INST                 = 0
-OFPBIC_UNSUP_INST                   = 1
-OFPBIC_BAD_TABLE_ID                 = 2
-OFPBIC_UNSUP_METADATA               = 3
-OFPBIC_UNSUP_METADATA_MASK          = 4
-OFPBIC_BAD_EXPERIMENTER             = 5
-OFPBIC_BAD_EXP_TYPE                 = 6
-OFPBIC_BAD_LEN                      = 7
-OFPBIC_EPERM                        = 8
-ofp_bad_instruction_code_map = {
-    0                               : 'OFPBIC_UNKNOWN_INST',
-    1                               : 'OFPBIC_UNSUP_INST',
-    2                               : 'OFPBIC_BAD_TABLE_ID',
-    3                               : 'OFPBIC_UNSUP_METADATA',
-    4                               : 'OFPBIC_UNSUP_METADATA_MASK',
-    5                               : 'OFPBIC_BAD_EXPERIMENTER',
-    6                               : 'OFPBIC_BAD_EXP_TYPE',
-    7                               : 'OFPBIC_BAD_LEN',
-    8                               : 'OFPBIC_EPERM'
-}
-
-ofp_port_config = ['OFPPC_PORT_DOWN', 'OFPPC_NO_RECV', 'OFPPC_NO_FWD', 'OFPPC_NO_PACKET_IN']
-OFPPC_PORT_DOWN                     = 1
-OFPPC_NO_RECV                       = 4
-OFPPC_NO_FWD                        = 32
-OFPPC_NO_PACKET_IN                  = 64
-ofp_port_config_map = {
-    1                               : 'OFPPC_PORT_DOWN',
-    4                               : 'OFPPC_NO_RECV',
-    32                              : 'OFPPC_NO_FWD',
-    64                              : 'OFPPC_NO_PACKET_IN'
-}
-
-ofp_port_state = ['OFPPS_LINK_DOWN', 'OFPPS_BLOCKED', 'OFPPS_LIVE']
-OFPPS_LINK_DOWN                     = 1
-OFPPS_BLOCKED                       = 2
-OFPPS_LIVE                          = 4
-ofp_port_state_map = {
-    1                               : 'OFPPS_LINK_DOWN',
-    2                               : 'OFPPS_BLOCKED',
-    4                               : 'OFPPS_LIVE'
-}
-
-ofp_config_flags = ['OFPC_FRAG_NORMAL', 'OFPC_FRAG_DROP', 'OFPC_FRAG_REASM', 'OFPC_FRAG_MASK', 'OFPC_INVALID_TTL_TO_CONTROLLER']
-OFPC_FRAG_NORMAL                    = 0
-OFPC_FRAG_DROP                      = 1
-OFPC_FRAG_REASM                     = 2
-OFPC_FRAG_MASK                      = 3
-OFPC_INVALID_TTL_TO_CONTROLLER      = 4
-ofp_config_flags_map = {
-    0                               : 'OFPC_FRAG_NORMAL',
-    1                               : 'OFPC_FRAG_DROP',
-    2                               : 'OFPC_FRAG_REASM',
-    3                               : 'OFPC_FRAG_MASK',
-    4                               : 'OFPC_INVALID_TTL_TO_CONTROLLER'
-}
-
-ofp_switch_config_failed_code = ['OFPSCFC_BAD_FLAGS', 'OFPSCFC_BAD_LEN', 'OFPQCFC_EPERM']
-OFPSCFC_BAD_FLAGS                   = 0
-OFPSCFC_BAD_LEN                     = 1
-OFPQCFC_EPERM                       = 2
-ofp_switch_config_failed_code_map = {
-    0                               : 'OFPSCFC_BAD_FLAGS',
-    1                               : 'OFPSCFC_BAD_LEN',
-    2                               : 'OFPQCFC_EPERM'
-}
-
-ofp_controller_max_len = ['OFPCML_MAX', 'OFPCML_NO_BUFFER']
-OFPCML_MAX                          = 65509
-OFPCML_NO_BUFFER                    = 65535
-ofp_controller_max_len_map = {
-    65509                           : 'OFPCML_MAX',
-    65535                           : 'OFPCML_NO_BUFFER'
-}
-
-ofp_role_request_failed_code = ['OFPRRFC_STALE', 'OFPRRFC_UNSUP', 'OFPRRFC_BAD_ROLE']
-OFPRRFC_STALE                       = 0
-OFPRRFC_UNSUP                       = 1
-OFPRRFC_BAD_ROLE                    = 2
-ofp_role_request_failed_code_map = {
-    0                               : 'OFPRRFC_STALE',
-    1                               : 'OFPRRFC_UNSUP',
-    2                               : 'OFPRRFC_BAD_ROLE'
-}
-
-ofp_capabilities = ['OFPC_FLOW_STATS', 'OFPC_TABLE_STATS', 'OFPC_PORT_STATS', 'OFPC_GROUP_STATS', 'OFPC_IP_REASM', 'OFPC_QUEUE_STATS', 'OFPC_PORT_BLOCKED']
-OFPC_FLOW_STATS                     = 1
-OFPC_TABLE_STATS                    = 2
-OFPC_PORT_STATS                     = 4
-OFPC_GROUP_STATS                    = 8
-OFPC_IP_REASM                       = 32
-OFPC_QUEUE_STATS                    = 64
-OFPC_PORT_BLOCKED                   = 256
-ofp_capabilities_map = {
-    1                               : 'OFPC_FLOW_STATS',
-    2                               : 'OFPC_TABLE_STATS',
-    4                               : 'OFPC_PORT_STATS',
-    8                               : 'OFPC_GROUP_STATS',
-    32                              : 'OFPC_IP_REASM',
-    64                              : 'OFPC_QUEUE_STATS',
-    256                             : 'OFPC_PORT_BLOCKED'
-}
-
-ofp_bad_match_code = ['OFPBMC_BAD_TYPE', 'OFPBMC_BAD_LEN', 'OFPBMC_BAD_TAG', 'OFPBMC_BAD_DL_ADDR_MASK', 'OFPBMC_BAD_NW_ADDR_MASK', 'OFPBMC_BAD_WILDCARDS', 'OFPBMC_BAD_FIELD', 'OFPBMC_BAD_VALUE', 'OFPBMC_BAD_MASK', 'OFPBMC_BAD_PREREQ', 'OFPBMC_DUP_FIELD', 'OFPBMC_EPERM']
-OFPBMC_BAD_TYPE                     = 0
-OFPBMC_BAD_LEN                      = 1
-OFPBMC_BAD_TAG                      = 2
-OFPBMC_BAD_DL_ADDR_MASK             = 3
-OFPBMC_BAD_NW_ADDR_MASK             = 4
-OFPBMC_BAD_WILDCARDS                = 5
-OFPBMC_BAD_FIELD                    = 6
-OFPBMC_BAD_VALUE                    = 7
-OFPBMC_BAD_MASK                     = 8
-OFPBMC_BAD_PREREQ                   = 9
-OFPBMC_DUP_FIELD                    = 10
-OFPBMC_EPERM                        = 11
-ofp_bad_match_code_map = {
-    0                               : 'OFPBMC_BAD_TYPE',
-    1                               : 'OFPBMC_BAD_LEN',
-    2                               : 'OFPBMC_BAD_TAG',
-    3                               : 'OFPBMC_BAD_DL_ADDR_MASK',
-    4                               : 'OFPBMC_BAD_NW_ADDR_MASK',
-    5                               : 'OFPBMC_BAD_WILDCARDS',
-    6                               : 'OFPBMC_BAD_FIELD',
-    7                               : 'OFPBMC_BAD_VALUE',
-    8                               : 'OFPBMC_BAD_MASK',
-    9                               : 'OFPBMC_BAD_PREREQ',
-    10                              : 'OFPBMC_DUP_FIELD',
-    11                              : 'OFPBMC_EPERM'
-}
-
-ofp_flow_removed_reason = ['OFPRR_IDLE_TIMEOUT', 'OFPRR_HARD_TIMEOUT', 'OFPRR_DELETE', 'OFPRR_GROUP_DELETE']
-OFPRR_IDLE_TIMEOUT                  = 0
-OFPRR_HARD_TIMEOUT                  = 1
-OFPRR_DELETE                        = 2
-OFPRR_GROUP_DELETE                  = 3
-ofp_flow_removed_reason_map = {
-    0                               : 'OFPRR_IDLE_TIMEOUT',
-    1                               : 'OFPRR_HARD_TIMEOUT',
-    2                               : 'OFPRR_DELETE',
-    3                               : 'OFPRR_GROUP_DELETE'
-}
-
-ofp_table_mod_failed_code = ['OFPTMFC_BAD_TABLE', 'OFPTMFC_BAD_CONFIG', 'OFPTMFC_EPERM']
-OFPTMFC_BAD_TABLE                   = 0
-OFPTMFC_BAD_CONFIG                  = 1
-OFPTMFC_EPERM                       = 2
-ofp_table_mod_failed_code_map = {
-    0                               : 'OFPTMFC_BAD_TABLE',
-    1                               : 'OFPTMFC_BAD_CONFIG',
-    2                               : 'OFPTMFC_EPERM'
-}
-
-ofp_queue_properties = ['OFPQT_MIN_RATE', 'OFPQT_MAX_RATE', 'OFPQT_EXPERIMENTER']
-OFPQT_MIN_RATE                      = 1
-OFPQT_MAX_RATE                      = 2
-OFPQT_EXPERIMENTER                  = 65535
-ofp_queue_properties_map = {
-    1                               : 'OFPQT_MIN_RATE',
-    2                               : 'OFPQT_MAX_RATE',
-    65535                           : 'OFPQT_EXPERIMENTER'
-}
-
-ofp_table = ['OFPTT_MAX', 'OFPTT_ALL']
-OFPTT_MAX                           = 254
-OFPTT_ALL                           = 255
-ofp_table_map = {
-    254                             : 'OFPTT_MAX',
-    255                             : 'OFPTT_ALL'
-}
-
-ofp_group = ['OFPG_MAX', 'OFPG_ALL', 'OFPG_ANY']
-OFPG_MAX                            = 4294967040
-OFPG_ALL                            = 4294967292
-OFPG_ANY                            = 4294967295
-ofp_group_map = {
-    4294967040                      : 'OFPG_MAX',
-    4294967292                      : 'OFPG_ALL',
-    4294967295                      : 'OFPG_ANY'
-}
-
-ofp_port_reason = ['OFPPR_ADD', 'OFPPR_DELETE', 'OFPPR_MODIFY']
-OFPPR_ADD                           = 0
-OFPPR_DELETE                        = 1
-OFPPR_MODIFY                        = 2
-ofp_port_reason_map = {
-    0                               : 'OFPPR_ADD',
-    1                               : 'OFPPR_DELETE',
-    2                               : 'OFPPR_MODIFY'
-}
-
-ofp_group_capabilities = ['OFPGFC_SELECT_WEIGHT', 'OFPGFC_SELECT_LIVENESS', 'OFPGFC_CHAINING', 'OFPGFC_CHAINING_CHECKS']
-OFPGFC_SELECT_WEIGHT                = 1
-OFPGFC_SELECT_LIVENESS              = 2
-OFPGFC_CHAINING                     = 4
-OFPGFC_CHAINING_CHECKS              = 8
-ofp_group_capabilities_map = {
-    1                               : 'OFPGFC_SELECT_WEIGHT',
-    2                               : 'OFPGFC_SELECT_LIVENESS',
-    4                               : 'OFPGFC_CHAINING',
-    8                               : 'OFPGFC_CHAINING_CHECKS'
-}
-
-ofp_table_config = ['OFPTC_TABLE_MISS_CONTROLLER', 'OFPTC_TABLE_MISS_CONTINUE', 'OFPTC_TABLE_MISS_DROP', 'OFPTC_TABLE_MISS_MASK']
-OFPTC_TABLE_MISS_CONTROLLER         = 0
-OFPTC_TABLE_MISS_CONTINUE           = 1
-OFPTC_TABLE_MISS_DROP               = 2
-OFPTC_TABLE_MISS_MASK               = 3
-ofp_table_config_map = {
-    0                               : 'OFPTC_TABLE_MISS_CONTROLLER',
-    1                               : 'OFPTC_TABLE_MISS_CONTINUE',
-    2                               : 'OFPTC_TABLE_MISS_DROP',
-    3                               : 'OFPTC_TABLE_MISS_MASK'
-}
-
-ofp_action_type = ['OFPAT_OUTPUT', 'OFPAT_COPY_TTL_OUT', 'OFPAT_COPY_TTL_IN', 'OFPAT_SET_MPLS_TTL', 'OFPAT_DEC_MPLS_TTL', 'OFPAT_PUSH_VLAN', 'OFPAT_POP_VLAN', 'OFPAT_PUSH_MPLS', 'OFPAT_POP_MPLS', 'OFPAT_SET_QUEUE', 'OFPAT_GROUP', 'OFPAT_SET_NW_TTL', 'OFPAT_DEC_NW_TTL', 'OFPAT_SET_FIELD', 'OFPAT_EXPERIMENTER']
-OFPAT_OUTPUT                        = 0
-OFPAT_COPY_TTL_OUT                  = 11
-OFPAT_COPY_TTL_IN                   = 12
-OFPAT_SET_MPLS_TTL                  = 15
-OFPAT_DEC_MPLS_TTL                  = 16
-OFPAT_PUSH_VLAN                     = 17
-OFPAT_POP_VLAN                      = 18
-OFPAT_PUSH_MPLS                     = 19
-OFPAT_POP_MPLS                      = 20
-OFPAT_SET_QUEUE                     = 21
-OFPAT_GROUP                         = 22
-OFPAT_SET_NW_TTL                    = 23
-OFPAT_DEC_NW_TTL                    = 24
-OFPAT_SET_FIELD                     = 25
-OFPAT_EXPERIMENTER                  = 65535
-ofp_action_type_map = {
-    0                               : 'OFPAT_OUTPUT',
-    11                              : 'OFPAT_COPY_TTL_OUT',
-    12                              : 'OFPAT_COPY_TTL_IN',
-    15                              : 'OFPAT_SET_MPLS_TTL',
-    16                              : 'OFPAT_DEC_MPLS_TTL',
-    17                              : 'OFPAT_PUSH_VLAN',
-    18                              : 'OFPAT_POP_VLAN',
-    19                              : 'OFPAT_PUSH_MPLS',
-    20                              : 'OFPAT_POP_MPLS',
-    21                              : 'OFPAT_SET_QUEUE',
-    22                              : 'OFPAT_GROUP',
-    23                              : 'OFPAT_SET_NW_TTL',
-    24                              : 'OFPAT_DEC_NW_TTL',
-    25                              : 'OFPAT_SET_FIELD',
-    65535                           : 'OFPAT_EXPERIMENTER'
-}
-
-ofp_flow_mod_command = ['OFPFC_ADD', 'OFPFC_MODIFY', 'OFPFC_MODIFY_STRICT', 'OFPFC_DELETE', 'OFPFC_DELETE_STRICT']
-OFPFC_ADD                           = 0
-OFPFC_MODIFY                        = 1
-OFPFC_MODIFY_STRICT                 = 2
-OFPFC_DELETE                        = 3
-OFPFC_DELETE_STRICT                 = 4
-ofp_flow_mod_command_map = {
-    0                               : 'OFPFC_ADD',
-    1                               : 'OFPFC_MODIFY',
-    2                               : 'OFPFC_MODIFY_STRICT',
-    3                               : 'OFPFC_DELETE',
-    4                               : 'OFPFC_DELETE_STRICT'
-}
-
-ofp_queue_op_failed_code = ['OFPQOFC_BAD_PORT', 'OFPQOFC_BAD_QUEUE', 'OFPQOFC_EPERM']
-OFPQOFC_BAD_PORT                    = 0
-OFPQOFC_BAD_QUEUE                   = 1
-OFPQOFC_EPERM                       = 2
-ofp_queue_op_failed_code_map = {
-    0                               : 'OFPQOFC_BAD_PORT',
-    1                               : 'OFPQOFC_BAD_QUEUE',
-    2                               : 'OFPQOFC_EPERM'
-}
-
-ofp_hello_failed_code = ['OFPHFC_INCOMPATIBLE', 'OFPHFC_EPERM']
-OFPHFC_INCOMPATIBLE                 = 0
-OFPHFC_EPERM                        = 1
-ofp_hello_failed_code_map = {
-    0                               : 'OFPHFC_INCOMPATIBLE',
-    1                               : 'OFPHFC_EPERM'
-}
-
-ofp_match_type = ['OFPMT_STANDARD', 'OFPMT_OXM']
-OFPMT_STANDARD                      = 0
-OFPMT_OXM                           = 1
-ofp_match_type_map = {
-    0                               : 'OFPMT_STANDARD',
-    1                               : 'OFPMT_OXM'
-}
-
-ofp_vlan_id = ['OFPVID_PRESENT', 'OFPVID_NONE']
-OFPVID_PRESENT                      = 4096
-OFPVID_NONE                         = 0
-ofp_vlan_id_map = {
-    4096                            : 'OFPVID_PRESENT',
-    0                               : 'OFPVID_NONE'
-}
-
-ofp_oxm_class = ['OFPXMC_NXM_0', 'OFPXMC_NXM_1', 'OFPXMC_OPENFLOW_BASIC', 'OFPXMC_EXPERIMENTER']
-OFPXMC_NXM_0                        = 0
-OFPXMC_NXM_1                        = 1
-OFPXMC_OPENFLOW_BASIC               = 32768
-OFPXMC_EXPERIMENTER                 = 65535
-ofp_oxm_class_map = {
-    0                               : 'OFPXMC_NXM_0',
-    1                               : 'OFPXMC_NXM_1',
-    32768                           : 'OFPXMC_OPENFLOW_BASIC',
-    65535                           : 'OFPXMC_EXPERIMENTER'
-}
-
-ofp_group_type = ['OFPGT_ALL', 'OFPGT_SELECT', 'OFPGT_INDIRECT', 'OFPGT_FF']
-OFPGT_ALL                           = 0
-OFPGT_SELECT                        = 1
-OFPGT_INDIRECT                      = 2
-OFPGT_FF                            = 3
-ofp_group_type_map = {
-    0                               : 'OFPGT_ALL',
-    1                               : 'OFPGT_SELECT',
-    2                               : 'OFPGT_INDIRECT',
-    3                               : 'OFPGT_FF'
-}
-
-ofp_instruction_type = ['OFPIT_GOTO_TABLE', 'OFPIT_WRITE_METADATA', 'OFPIT_WRITE_ACTIONS', 'OFPIT_APPLY_ACTIONS', 'OFPIT_CLEAR_ACTIONS', 'OFPIT_EXPERIMENTER']
-OFPIT_GOTO_TABLE                    = 1
-OFPIT_WRITE_METADATA                = 2
-OFPIT_WRITE_ACTIONS                 = 3
-OFPIT_APPLY_ACTIONS                 = 4
-OFPIT_CLEAR_ACTIONS                 = 5
-OFPIT_EXPERIMENTER                  = 65535
-ofp_instruction_type_map = {
-    1                               : 'OFPIT_GOTO_TABLE',
-    2                               : 'OFPIT_WRITE_METADATA',
-    3                               : 'OFPIT_WRITE_ACTIONS',
-    4                               : 'OFPIT_APPLY_ACTIONS',
-    5                               : 'OFPIT_CLEAR_ACTIONS',
-    65535                           : 'OFPIT_EXPERIMENTER'
-}
-
-ofp_bad_action_code = ['OFPBAC_BAD_TYPE', 'OFPBAC_BAD_LEN', 'OFPBAC_BAD_EXPERIMENTER', 'OFPBAC_BAD_EXP_TYPE', 'OFPBAC_BAD_OUT_PORT', 'OFPBAC_BAD_ARGUMENT', 'OFPBAC_EPERM', 'OFPBAC_TOO_MANY', 'OFPBAC_BAD_QUEUE', 'OFPBAC_BAD_OUT_GROUP', 'OFPBAC_MATCH_INCONSISTENT', 'OFPBAC_UNSUPPORTED_ORDER', 'OFPBAC_BAD_TAG', 'OFPBAC_BAD_SET_TYPE', 'OFPBAC_BAD_SET_LEN', 'OFPBAC_BAD_SET_ARGUMENT']
-OFPBAC_BAD_TYPE                     = 0
-OFPBAC_BAD_LEN                      = 1
-OFPBAC_BAD_EXPERIMENTER             = 2
-OFPBAC_BAD_EXP_TYPE                 = 3
-OFPBAC_BAD_OUT_PORT                 = 4
-OFPBAC_BAD_ARGUMENT                 = 5
-OFPBAC_EPERM                        = 6
-OFPBAC_TOO_MANY                     = 7
-OFPBAC_BAD_QUEUE                    = 8
-OFPBAC_BAD_OUT_GROUP                = 9
-OFPBAC_MATCH_INCONSISTENT           = 10
-OFPBAC_UNSUPPORTED_ORDER            = 11
-OFPBAC_BAD_TAG                      = 12
-OFPBAC_BAD_SET_TYPE                 = 13
-OFPBAC_BAD_SET_LEN                  = 14
-OFPBAC_BAD_SET_ARGUMENT             = 15
-ofp_bad_action_code_map = {
-    0                               : 'OFPBAC_BAD_TYPE',
-    1                               : 'OFPBAC_BAD_LEN',
-    2                               : 'OFPBAC_BAD_EXPERIMENTER',
-    3                               : 'OFPBAC_BAD_EXP_TYPE',
-    4                               : 'OFPBAC_BAD_OUT_PORT',
-    5                               : 'OFPBAC_BAD_ARGUMENT',
-    6                               : 'OFPBAC_EPERM',
-    7                               : 'OFPBAC_TOO_MANY',
-    8                               : 'OFPBAC_BAD_QUEUE',
-    9                               : 'OFPBAC_BAD_OUT_GROUP',
-    10                              : 'OFPBAC_MATCH_INCONSISTENT',
-    11                              : 'OFPBAC_UNSUPPORTED_ORDER',
-    12                              : 'OFPBAC_BAD_TAG',
-    13                              : 'OFPBAC_BAD_SET_TYPE',
-    14                              : 'OFPBAC_BAD_SET_LEN',
-    15                              : 'OFPBAC_BAD_SET_ARGUMENT'
-}
-
-oxm_ofb_match_fields = ['OFPXMT_OFB_IN_PORT', 'OFPXMT_OFB_IN_PHY_PORT', 'OFPXMT_OFB_METADATA', 'OFPXMT_OFB_ETH_DST', 'OFPXMT_OFB_ETH_SRC', 'OFPXMT_OFB_ETH_TYPE', 'OFPXMT_OFB_VLAN_VID', 'OFPXMT_OFB_VLAN_PCP', 'OFPXMT_OFB_IP_DSCP', 'OFPXMT_OFB_IP_ECN', 'OFPXMT_OFB_IP_PROTO', 'OFPXMT_OFB_IPV4_SRC', 'OFPXMT_OFB_IPV4_DST', 'OFPXMT_OFB_TCP_SRC', 'OFPXMT_OFB_TCP_DST', 'OFPXMT_OFB_UDP_SRC', 'OFPXMT_OFB_UDP_DST', 'OFPXMT_OFB_SCTP_SRC', 'OFPXMT_OFB_SCTP_DST', 'OFPXMT_OFB_ICMPV4_TYPE', 'OFPXMT_OFB_ICMPV4_CODE', 'OFPXMT_OFB_ARP_OP', 'OFPXMT_OFB_ARP_SPA', 'OFPXMT_OFB_ARP_TPA', 'OFPXMT_OFB_ARP_SHA', 'OFPXMT_OFB_ARP_THA', 'OFPXMT_OFB_IPV6_SRC', 'OFPXMT_OFB_IPV6_DST', 'OFPXMT_OFB_IPV6_FLABEL', 'OFPXMT_OFB_ICMPV6_TYPE', 'OFPXMT_OFB_ICMPV6_CODE', 'OFPXMT_OFB_IPV6_ND_TARGET', 'OFPXMT_OFB_IPV6_ND_SLL', 'OFPXMT_OFB_IPV6_ND_TLL', 'OFPXMT_OFB_MPLS_LABEL', 'OFPXMT_OFB_MPLS_TC']
-OFPXMT_OFB_IN_PORT                  = 0
-OFPXMT_OFB_IN_PHY_PORT              = 1
-OFPXMT_OFB_METADATA                 = 2
-OFPXMT_OFB_ETH_DST                  = 3
-OFPXMT_OFB_ETH_SRC                  = 4
-OFPXMT_OFB_ETH_TYPE                 = 5
-OFPXMT_OFB_VLAN_VID                 = 6
-OFPXMT_OFB_VLAN_PCP                 = 7
-OFPXMT_OFB_IP_DSCP                  = 8
-OFPXMT_OFB_IP_ECN                   = 9
-OFPXMT_OFB_IP_PROTO                 = 10
-OFPXMT_OFB_IPV4_SRC                 = 11
-OFPXMT_OFB_IPV4_DST                 = 12
-OFPXMT_OFB_TCP_SRC                  = 13
-OFPXMT_OFB_TCP_DST                  = 14
-OFPXMT_OFB_UDP_SRC                  = 15
-OFPXMT_OFB_UDP_DST                  = 16
-OFPXMT_OFB_SCTP_SRC                 = 17
-OFPXMT_OFB_SCTP_DST                 = 18
-OFPXMT_OFB_ICMPV4_TYPE              = 19
-OFPXMT_OFB_ICMPV4_CODE              = 20
-OFPXMT_OFB_ARP_OP                   = 21
-OFPXMT_OFB_ARP_SPA                  = 22
-OFPXMT_OFB_ARP_TPA                  = 23
-OFPXMT_OFB_ARP_SHA                  = 24
-OFPXMT_OFB_ARP_THA                  = 25
-OFPXMT_OFB_IPV6_SRC                 = 26
-OFPXMT_OFB_IPV6_DST                 = 27
-OFPXMT_OFB_IPV6_FLABEL              = 28
-OFPXMT_OFB_ICMPV6_TYPE              = 29
-OFPXMT_OFB_ICMPV6_CODE              = 30
-OFPXMT_OFB_IPV6_ND_TARGET           = 31
-OFPXMT_OFB_IPV6_ND_SLL              = 32
-OFPXMT_OFB_IPV6_ND_TLL              = 33
-OFPXMT_OFB_MPLS_LABEL               = 34
-OFPXMT_OFB_MPLS_TC                  = 35
-oxm_ofb_match_fields_map = {
-    0                               : 'OFPXMT_OFB_IN_PORT',
-    1                               : 'OFPXMT_OFB_IN_PHY_PORT',
-    2                               : 'OFPXMT_OFB_METADATA',
-    3                               : 'OFPXMT_OFB_ETH_DST',
-    4                               : 'OFPXMT_OFB_ETH_SRC',
-    5                               : 'OFPXMT_OFB_ETH_TYPE',
-    6                               : 'OFPXMT_OFB_VLAN_VID',
-    7                               : 'OFPXMT_OFB_VLAN_PCP',
-    8                               : 'OFPXMT_OFB_IP_DSCP',
-    9                               : 'OFPXMT_OFB_IP_ECN',
-    10                              : 'OFPXMT_OFB_IP_PROTO',
-    11                              : 'OFPXMT_OFB_IPV4_SRC',
-    12                              : 'OFPXMT_OFB_IPV4_DST',
-    13                              : 'OFPXMT_OFB_TCP_SRC',
-    14                              : 'OFPXMT_OFB_TCP_DST',
-    15                              : 'OFPXMT_OFB_UDP_SRC',
-    16                              : 'OFPXMT_OFB_UDP_DST',
-    17                              : 'OFPXMT_OFB_SCTP_SRC',
-    18                              : 'OFPXMT_OFB_SCTP_DST',
-    19                              : 'OFPXMT_OFB_ICMPV4_TYPE',
-    20                              : 'OFPXMT_OFB_ICMPV4_CODE',
-    21                              : 'OFPXMT_OFB_ARP_OP',
-    22                              : 'OFPXMT_OFB_ARP_SPA',
-    23                              : 'OFPXMT_OFB_ARP_TPA',
-    24                              : 'OFPXMT_OFB_ARP_SHA',
-    25                              : 'OFPXMT_OFB_ARP_THA',
-    26                              : 'OFPXMT_OFB_IPV6_SRC',
-    27                              : 'OFPXMT_OFB_IPV6_DST',
-    28                              : 'OFPXMT_OFB_IPV6_FLABEL',
-    29                              : 'OFPXMT_OFB_ICMPV6_TYPE',
-    30                              : 'OFPXMT_OFB_ICMPV6_CODE',
-    31                              : 'OFPXMT_OFB_IPV6_ND_TARGET',
-    32                              : 'OFPXMT_OFB_IPV6_ND_SLL',
-    33                              : 'OFPXMT_OFB_IPV6_ND_TLL',
-    34                              : 'OFPXMT_OFB_MPLS_LABEL',
-    35                              : 'OFPXMT_OFB_MPLS_TC'
-}
-
-ofp_flow_mod_failed_code = ['OFPFMFC_UNKNOWN', 'OFPFMFC_TABLE_FULL', 'OFPFMFC_BAD_TABLE_ID', 'OFPFMFC_OVERLAP', 'OFPFMFC_EPERM', 'OFPFMFC_BAD_TIMEOUT', 'OFPFMFC_BAD_COMMAND', 'OFPFMFC_BAD_FLAGS']
-OFPFMFC_UNKNOWN                     = 0
-OFPFMFC_TABLE_FULL                  = 1
-OFPFMFC_BAD_TABLE_ID                = 2
-OFPFMFC_OVERLAP                     = 3
-OFPFMFC_EPERM                       = 4
-OFPFMFC_BAD_TIMEOUT                 = 5
-OFPFMFC_BAD_COMMAND                 = 6
-OFPFMFC_BAD_FLAGS                   = 7
-ofp_flow_mod_failed_code_map = {
-    0                               : 'OFPFMFC_UNKNOWN',
-    1                               : 'OFPFMFC_TABLE_FULL',
-    2                               : 'OFPFMFC_BAD_TABLE_ID',
-    3                               : 'OFPFMFC_OVERLAP',
-    4                               : 'OFPFMFC_EPERM',
-    5                               : 'OFPFMFC_BAD_TIMEOUT',
-    6                               : 'OFPFMFC_BAD_COMMAND',
-    7                               : 'OFPFMFC_BAD_FLAGS'
-}
-
-ofp_port_mod_failed_code = ['OFPPMFC_BAD_PORT', 'OFPPMFC_BAD_HW_ADDR', 'OFPPMFC_BAD_CONFIG', 'OFPPMFC_BAD_ADVERTISE', 'OFPPMFC_EPERM']
-OFPPMFC_BAD_PORT                    = 0
-OFPPMFC_BAD_HW_ADDR                 = 1
-OFPPMFC_BAD_CONFIG                  = 2
-OFPPMFC_BAD_ADVERTISE               = 3
-OFPPMFC_EPERM                       = 4
-ofp_port_mod_failed_code_map = {
-    0                               : 'OFPPMFC_BAD_PORT',
-    1                               : 'OFPPMFC_BAD_HW_ADDR',
-    2                               : 'OFPPMFC_BAD_CONFIG',
-    3                               : 'OFPPMFC_BAD_ADVERTISE',
-    4                               : 'OFPPMFC_EPERM'
-}
-
-ofp_type = ['OFPT_HELLO', 'OFPT_ERROR', 'OFPT_ECHO_REQUEST', 'OFPT_ECHO_REPLY', 'OFPT_EXPERIMENTER', 'OFPT_FEATURES_REQUEST', 'OFPT_FEATURES_REPLY', 'OFPT_GET_CONFIG_REQUEST', 'OFPT_GET_CONFIG_REPLY', 'OFPT_SET_CONFIG', 'OFPT_PACKET_IN', 'OFPT_FLOW_REMOVED', 'OFPT_PORT_STATUS', 'OFPT_PACKET_OUT', 'OFPT_FLOW_MOD', 'OFPT_GROUP_MOD', 'OFPT_PORT_MOD', 'OFPT_TABLE_MOD', 'OFPT_STATS_REQUEST', 'OFPT_STATS_REPLY', 'OFPT_BARRIER_REQUEST', 'OFPT_BARRIER_REPLY', 'OFPT_QUEUE_GET_CONFIG_REQUEST', 'OFPT_QUEUE_GET_CONFIG_REPLY', 'OFPT_ROLE_REQUEST', 'OFPT_ROLE_REPLY']
-OFPT_HELLO                          = 0
-OFPT_ERROR                          = 1
-OFPT_ECHO_REQUEST                   = 2
-OFPT_ECHO_REPLY                     = 3
-OFPT_EXPERIMENTER                   = 4
-OFPT_FEATURES_REQUEST               = 5
-OFPT_FEATURES_REPLY                 = 6
-OFPT_GET_CONFIG_REQUEST             = 7
-OFPT_GET_CONFIG_REPLY               = 8
-OFPT_SET_CONFIG                     = 9
-OFPT_PACKET_IN                      = 10
-OFPT_FLOW_REMOVED                   = 11
-OFPT_PORT_STATUS                    = 12
-OFPT_PACKET_OUT                     = 13
-OFPT_FLOW_MOD                       = 14
-OFPT_GROUP_MOD                      = 15
-OFPT_PORT_MOD                       = 16
-OFPT_TABLE_MOD                      = 17
-OFPT_STATS_REQUEST                  = 18
-OFPT_STATS_REPLY                    = 19
-OFPT_BARRIER_REQUEST                = 20
-OFPT_BARRIER_REPLY                  = 21
-OFPT_QUEUE_GET_CONFIG_REQUEST       = 22
-OFPT_QUEUE_GET_CONFIG_REPLY         = 23
-OFPT_ROLE_REQUEST                   = 24
-OFPT_ROLE_REPLY                     = 25
-ofp_type_map = {
-    0                               : 'OFPT_HELLO',
-    1                               : 'OFPT_ERROR',
-    2                               : 'OFPT_ECHO_REQUEST',
-    3                               : 'OFPT_ECHO_REPLY',
-    4                               : 'OFPT_EXPERIMENTER',
-    5                               : 'OFPT_FEATURES_REQUEST',
-    6                               : 'OFPT_FEATURES_REPLY',
-    7                               : 'OFPT_GET_CONFIG_REQUEST',
-    8                               : 'OFPT_GET_CONFIG_REPLY',
-    9                               : 'OFPT_SET_CONFIG',
-    10                              : 'OFPT_PACKET_IN',
-    11                              : 'OFPT_FLOW_REMOVED',
-    12                              : 'OFPT_PORT_STATUS',
-    13                              : 'OFPT_PACKET_OUT',
-    14                              : 'OFPT_FLOW_MOD',
-    15                              : 'OFPT_GROUP_MOD',
-    16                              : 'OFPT_PORT_MOD',
-    17                              : 'OFPT_TABLE_MOD',
-    18                              : 'OFPT_STATS_REQUEST',
-    19                              : 'OFPT_STATS_REPLY',
-    20                              : 'OFPT_BARRIER_REQUEST',
-    21                              : 'OFPT_BARRIER_REPLY',
-    22                              : 'OFPT_QUEUE_GET_CONFIG_REQUEST',
-    23                              : 'OFPT_QUEUE_GET_CONFIG_REPLY',
-    24                              : 'OFPT_ROLE_REQUEST',
-    25                              : 'OFPT_ROLE_REPLY'
-}
-
-ofp_packet_in_reason = ['OFPR_NO_MATCH', 'OFPR_ACTION', 'OFPR_INVALID_TTL']
-OFPR_NO_MATCH                       = 0
-OFPR_ACTION                         = 1
-OFPR_INVALID_TTL                    = 2
-ofp_packet_in_reason_map = {
-    0                               : 'OFPR_NO_MATCH',
-    1                               : 'OFPR_ACTION',
-    2                               : 'OFPR_INVALID_TTL'
-}
-
-ofp_stats_types = ['OFPST_DESC', 'OFPST_FLOW', 'OFPST_AGGREGATE', 'OFPST_TABLE', 'OFPST_PORT', 'OFPST_QUEUE', 'OFPST_GROUP', 'OFPST_GROUP_DESC', 'OFPST_GROUP_FEATURES', 'OFPST_EXPERIMENTER']
-OFPST_DESC                          = 0
-OFPST_FLOW                          = 1
-OFPST_AGGREGATE                     = 2
-OFPST_TABLE                         = 3
-OFPST_PORT                          = 4
-OFPST_QUEUE                         = 5
-OFPST_GROUP                         = 6
-OFPST_GROUP_DESC                    = 7
-OFPST_GROUP_FEATURES                = 8
-OFPST_EXPERIMENTER                  = 65535
-ofp_stats_types_map = {
-    0                               : 'OFPST_DESC',
-    1                               : 'OFPST_FLOW',
-    2                               : 'OFPST_AGGREGATE',
-    3                               : 'OFPST_TABLE',
-    4                               : 'OFPST_PORT',
-    5                               : 'OFPST_QUEUE',
-    6                               : 'OFPST_GROUP',
-    7                               : 'OFPST_GROUP_DESC',
-    8                               : 'OFPST_GROUP_FEATURES',
-    65535                           : 'OFPST_EXPERIMENTER'
-}
-
-ofp_group_mod_command = ['OFPGC_ADD', 'OFPGC_MODIFY', 'OFPGC_DELETE']
-OFPGC_ADD                           = 0
-OFPGC_MODIFY                        = 1
-OFPGC_DELETE                        = 2
-ofp_group_mod_command_map = {
-    0                               : 'OFPGC_ADD',
-    1                               : 'OFPGC_MODIFY',
-    2                               : 'OFPGC_DELETE'
-}
-
-ofp_port_features = ['OFPPF_10MB_HD', 'OFPPF_10MB_FD', 'OFPPF_100MB_HD', 'OFPPF_100MB_FD', 'OFPPF_1GB_HD', 'OFPPF_1GB_FD', 'OFPPF_10GB_FD', 'OFPPF_40GB_FD', 'OFPPF_100GB_FD', 'OFPPF_1TB_FD', 'OFPPF_OTHER', 'OFPPF_COPPER', 'OFPPF_FIBER', 'OFPPF_AUTONEG', 'OFPPF_PAUSE', 'OFPPF_PAUSE_ASYM']
-OFPPF_10MB_HD                       = 1
-OFPPF_10MB_FD                       = 2
-OFPPF_100MB_HD                      = 4
-OFPPF_100MB_FD                      = 8
-OFPPF_1GB_HD                        = 16
-OFPPF_1GB_FD                        = 32
-OFPPF_10GB_FD                       = 64
-OFPPF_40GB_FD                       = 128
-OFPPF_100GB_FD                      = 256
-OFPPF_1TB_FD                        = 512
-OFPPF_OTHER                         = 1024
-OFPPF_COPPER                        = 2048
-OFPPF_FIBER                         = 4096
-OFPPF_AUTONEG                       = 8192
-OFPPF_PAUSE                         = 16384
-OFPPF_PAUSE_ASYM                    = 32768
-ofp_port_features_map = {
-    1                               : 'OFPPF_10MB_HD',
-    2                               : 'OFPPF_10MB_FD',
-    4                               : 'OFPPF_100MB_HD',
-    8                               : 'OFPPF_100MB_FD',
-    16                              : 'OFPPF_1GB_HD',
-    32                              : 'OFPPF_1GB_FD',
-    64                              : 'OFPPF_10GB_FD',
-    128                             : 'OFPPF_40GB_FD',
-    256                             : 'OFPPF_100GB_FD',
-    512                             : 'OFPPF_1TB_FD',
-    1024                            : 'OFPPF_OTHER',
-    2048                            : 'OFPPF_COPPER',
-    4096                            : 'OFPPF_FIBER',
-    8192                            : 'OFPPF_AUTONEG',
-    16384                           : 'OFPPF_PAUSE',
-    32768                           : 'OFPPF_PAUSE_ASYM'
-}
-
-ofp_group_mod_failed_code = ['OFPGMFC_GROUP_EXISTS', 'OFPGMFC_INVALID_GROUP', 'OFPGMFC_OUT_OF_GROUPS', 'OFPGMFC_OUT_OF_BUCKETS', 'OFPGMFC_CHAINING_UNSUPPORTED', 'OFPGMFC_WATCH_UNSUPPORTED', 'OFPGMFC_LOOP', 'OFPGMFC_UNKNOWN_GROUP', 'OFPGMFC_CHAINED_GROUP', 'OFPGMFC_BAD_TYPE', 'OFPGMFC_BAD_COMMAND', 'OFPGMFC_BAD_BUCKET', 'OFPGMFC_BAD_WATCH', 'OFPGMFC_EPERM']
-OFPGMFC_GROUP_EXISTS                = 0
-OFPGMFC_INVALID_GROUP               = 1
-OFPGMFC_OUT_OF_GROUPS               = 3
-OFPGMFC_OUT_OF_BUCKETS              = 4
-OFPGMFC_CHAINING_UNSUPPORTED        = 5
-OFPGMFC_WATCH_UNSUPPORTED           = 6
-OFPGMFC_LOOP                        = 7
-OFPGMFC_UNKNOWN_GROUP               = 8
-OFPGMFC_CHAINED_GROUP               = 9
-OFPGMFC_BAD_TYPE                    = 10
-OFPGMFC_BAD_COMMAND                 = 11
-OFPGMFC_BAD_BUCKET                  = 12
-OFPGMFC_BAD_WATCH                   = 13
-OFPGMFC_EPERM                       = 14
-ofp_group_mod_failed_code_map = {
-    0                               : 'OFPGMFC_GROUP_EXISTS',
-    1                               : 'OFPGMFC_INVALID_GROUP',
-    3                               : 'OFPGMFC_OUT_OF_GROUPS',
-    4                               : 'OFPGMFC_OUT_OF_BUCKETS',
-    5                               : 'OFPGMFC_CHAINING_UNSUPPORTED',
-    6                               : 'OFPGMFC_WATCH_UNSUPPORTED',
-    7                               : 'OFPGMFC_LOOP',
-    8                               : 'OFPGMFC_UNKNOWN_GROUP',
-    9                               : 'OFPGMFC_CHAINED_GROUP',
-    10                              : 'OFPGMFC_BAD_TYPE',
-    11                              : 'OFPGMFC_BAD_COMMAND',
-    12                              : 'OFPGMFC_BAD_BUCKET',
-    13                              : 'OFPGMFC_BAD_WATCH',
-    14                              : 'OFPGMFC_EPERM'
-}
-
-# Values from macro definitions
-OFP_ETH_ALEN = 6
-OFP_MAX_PORT_NAME_LEN = 16
-OFP_TCP_PORT = 6633
-OFP_FLOW_PERMANENT = 0
-OFPQ_MIN_RATE_UNCFG = 0xffff
-OFPQ_ALL = 0xffffffff
-OFP_VERSION = 0x03
-OFP_MAX_TABLE_NAME_LEN = 32
-OFP_DEFAULT_PRIORITY = 0x8000
-OFP_NO_BUFFER = 0xffffffff
-OFP_SSL_PORT = 6633
-OFP_DEFAULT_MISS_SEND_LEN = 128
-DESC_STR_LEN = 256
-SERIAL_NUM_LEN = 32
-
-# Basic structure size definitions.
-# Does not include ofp_header members.
-# Does not include variable length arrays.
-OFP_ACTION_EXPERIMENTER_HEADER_BYTES = 8
-OFP_ACTION_GROUP_BYTES = 8
-OFP_ACTION_HEADER_BYTES = 8
-OFP_ACTION_MPLS_TTL_BYTES = 8
-OFP_ACTION_NW_TTL_BYTES = 8
-OFP_ACTION_OUTPUT_BYTES = 16
-OFP_ACTION_POP_MPLS_BYTES = 8
-OFP_ACTION_PUSH_BYTES = 8
-OFP_ACTION_SET_FIELD_BYTES = 8
-OFP_ACTION_SET_QUEUE_BYTES = 8
-OFP_AGGREGATE_STATS_REPLY_BYTES = 24
-OFP_AGGREGATE_STATS_REQUEST_BYTES = 36
-OFP_BUCKET_BYTES = 16
-OFP_BUCKET_COUNTER_BYTES = 16
-OFP_DESC_STATS_BYTES = 1056
-OFP_ERROR_EXPERIMENTER_MSG_BYTES = 8
-OFP_ERROR_MSG_BYTES = 4
-OFP_EXPERIMENTER_HEADER_BYTES = 8
-OFP_EXPERIMENTER_STATS_HEADER_BYTES = 8
-OFP_FLOW_MOD_BYTES = 44
-OFP_FLOW_REMOVED_BYTES = 44
-OFP_FLOW_STATS_BYTES = 52
-OFP_FLOW_STATS_REQUEST_BYTES = 36
-OFP_GROUP_DESC_STATS_BYTES = 8
-OFP_GROUP_FEATURES_STATS_BYTES = 40
-OFP_GROUP_MOD_BYTES = 8
-OFP_GROUP_STATS_BYTES = 32
-OFP_GROUP_STATS_REQUEST_BYTES = 8
-OFP_HEADER_BYTES = 8
-OFP_HELLO_BYTES = 0
-OFP_INSTRUCTION_BYTES = 8
-OFP_INSTRUCTION_ACTIONS_BYTES = 8
-OFP_INSTRUCTION_GOTO_TABLE_BYTES = 8
-OFP_INSTRUCTION_WRITE_METADATA_BYTES = 24
-OFP_MATCH_BYTES = 4
-OFP_OXM_EXPERIMENTER_HEADER_BYTES = 8
-OFP_PACKET_IN_BYTES = 12
-OFP_PACKET_OUT_BYTES = 16
-OFP_PACKET_QUEUE_BYTES = 16
-OFP_PORT_BYTES = 64
-OFP_PORT_MOD_BYTES = 32
-OFP_PORT_STATS_BYTES = 104
-OFP_PORT_STATS_REQUEST_BYTES = 8
-OFP_PORT_STATUS_BYTES = 72
-OFP_QUEUE_GET_CONFIG_REPLY_BYTES = 8
-OFP_QUEUE_GET_CONFIG_REQUEST_BYTES = 8
-OFP_QUEUE_PROP_EXPERIMENTER_BYTES = 16
-OFP_QUEUE_PROP_HEADER_BYTES = 8
-OFP_QUEUE_PROP_MAX_RATE_BYTES = 16
-OFP_QUEUE_PROP_MIN_RATE_BYTES = 16
-OFP_QUEUE_STATS_BYTES = 32
-OFP_QUEUE_STATS_REQUEST_BYTES = 8
-OFP_ROLE_REQUEST_BYTES = 16
-OFP_STATS_REPLY_BYTES = 8
-OFP_STATS_REQUEST_BYTES = 8
-OFP_SWITCH_CONFIG_BYTES = 4
-OFP_SWITCH_FEATURES_BYTES = 24
-OFP_TABLE_MOD_BYTES = 8
-OFP_TABLE_STATS_BYTES = 128
-
diff --git a/src/python/of12/error.py b/src/python/of12/error.py
deleted file mode 100644
index 0a1244a..0000000
--- a/src/python/of12/error.py
+++ /dev/null
@@ -1,556 +0,0 @@
-
-# Python OpenFlow error wrapper classes
-
-from cstruct import *
-
-
-
-class hello_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for hello_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_HELLO_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "hello_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class bad_request_error_msg(ofp_error_msg):
-    """
-    Wrapper class for bad_request error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_BAD_REQUEST
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "bad_request_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class bad_action_error_msg(ofp_error_msg):
-    """
-    Wrapper class for bad_action error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_BAD_ACTION
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "bad_action_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class bad_instruction_error_msg(ofp_error_msg):
-    """
-    Wrapper class for bad_instruction error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_BAD_INSTRUCTION
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "bad_instruction_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class bad_match_error_msg(ofp_error_msg):
-    """
-    Wrapper class for bad_match error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_BAD_MATCH
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "bad_match_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class flow_mod_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for flow_mod_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_FLOW_MOD_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "flow_mod_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class group_mod_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for group_mod_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_GROUP_MOD_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "group_mod_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class port_mod_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for port_mod_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_PORT_MOD_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "port_mod_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class table_mod_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for table_mod_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_TABLE_MOD_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "table_mod_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class queue_op_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for queue_op_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_QUEUE_OP_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "queue_op_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class switch_config_failed_error_msg(ofp_error_msg):
-    """
-    Wrapper class for switch_config_failed error message class
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-    
-    """
-    def __init__(self):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.type = OFPET_SWITCH_CONFIG_FAILED
-        self.data = ""
-
-    def pack(self, assertstruct=True):
-        self.header.length = self.__len__()
-        packed = self.header.pack()
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        return ""
-
-    def __len__(self):
-        return OFP_HEADER_BYTES + OFP_ERROR_MSG_BYTES + len(self.data)
-
-    def show(self, prefix=''):
-        outstr = prefix + "switch_config_failed_error_msg\m"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix + '  ')
-        outstr += prefix + "data is of length " + str(len(self.data)) + '\n'
-        ##@todo Consider trying to parse the string
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_error_msg.__eq__(self, other) and
-                self.data == other.data)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
diff --git a/src/python/of12/instruction.py b/src/python/of12/instruction.py
deleted file mode 100644
index a945525..0000000
--- a/src/python/of12/instruction.py
+++ /dev/null
@@ -1,143 +0,0 @@
-
-# Python OpenFlow instruction wrapper classes
-
-from cstruct import *
-from action_list import action_list
-
-
-
-class instruction_write_metadata(ofp_instruction_write_metadata):
-    """
-    Wrapper class for write_metadata instruction object
-
-    Data members inherited from ofp_instruction_write_metadata:
-    @arg type
-    @arg len
-    @arg metadata
-    @arg metadata_mask
-
-    """
-    def __init__(self):
-        ofp_instruction_write_metadata.__init__(self)
-        self.type = OFPIT_WRITE_METADATA
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_write_metadata\n"
-        outstr += ofp_instruction_write_metadata.show(self, prefix)
-        return outstr
-
-
-class instruction_goto_table(ofp_instruction_goto_table):
-    """
-    Wrapper class for goto_table instruction object
-
-    Data members inherited from ofp_instruction_goto_table:
-    @arg type
-    @arg len
-    @arg table_id
-
-    """
-    def __init__(self):
-        ofp_instruction_goto_table.__init__(self)
-        self.type = OFPIT_GOTO_TABLE
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_goto_table\n"
-        outstr += ofp_instruction_goto_table.show(self, prefix)
-        return outstr
-
-
-class instruction_write_actions(ofp_instruction_actions):
-    """
-    Wrapper class for write_actions instruction object
-
-    Data members inherited from ofp_instruction_actions:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_instruction_actions.__init__(self)
-        self.type = OFPIT_WRITE_ACTIONS
-        self.actions = action_list()
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_write_actions\n"
-        outstr += ofp_instruction_actions.show(self, prefix)
-        outstr += self.actions.show(prefix)
-        return outstr
-    def unpack(self, binary_string):
-        binary_string = ofp_instruction_actions.unpack(self, binary_string)
-        bytes = self.len - OFP_INSTRUCTION_ACTIONS_BYTES
-        self.actions = action_list()
-        binary_string = self.actions.unpack(binary_string, bytes=bytes)
-        return binary_string
-    def pack(self):
-        self.len = self.__len__()
-        packed = ""
-        packed += ofp_instruction_actions.pack(self)
-        packed += self.actions.pack()
-        return packed
-    def __len__(self):
-        return ofp_instruction_actions.__len__(self) + self.actions.__len__()
-
-
-class instruction_apply_actions(ofp_instruction_actions):
-    """
-    Wrapper class for apply_actions instruction object
-
-    Data members inherited from ofp_instruction_actions:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_instruction_actions.__init__(self)
-        self.type = OFPIT_APPLY_ACTIONS
-        self.actions = action_list()
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_apply_actions\n"
-        outstr += ofp_instruction_actions.show(self, prefix)
-        outstr += self.actions.show(prefix)
-        return outstr
-    def unpack(self, binary_string):
-        binary_string = ofp_instruction_actions.unpack(self, binary_string)
-        bytes = self.len - OFP_INSTRUCTION_ACTIONS_BYTES
-        self.actions = action_list()
-        binary_string = self.actions.unpack(binary_string, bytes=bytes)
-        return binary_string
-    def pack(self):
-        self.len = self.__len__()
-        packed = ""
-        packed += ofp_instruction_actions.pack(self)
-        packed += self.actions.pack()
-        return packed
-    def __len__(self):
-        return ofp_instruction_actions.__len__(self) + self.actions.__len__()
-
-
-class instruction_clear_actions(ofp_instruction):
-    """
-    Wrapper class for clear_actions instruction object
-
-    Data members inherited from ofp_instruction:
-    @arg type
-    @arg len
-
-    """
-    def __init__(self):
-        ofp_instruction.__init__(self)
-        self.type = OFPIT_CLEAR_ACTIONS
-        self.len = self.__len__()
-    def show(self, prefix=''):
-        outstr = prefix + "instruction_clear_actions\n"
-        outstr += ofp_instruction.show(self, prefix)
-        return outstr
-
-instruction_class_list = (
-    instruction_apply_actions,
-    instruction_clear_actions,
-    instruction_goto_table,
-    instruction_write_actions,
-    instruction_write_metadata)
diff --git a/src/python/of12/instruction_list.py b/src/python/of12/instruction_list.py
deleted file mode 100644
index 7b03fbf..0000000
--- a/src/python/of12/instruction_list.py
+++ /dev/null
@@ -1,96 +0,0 @@
-"""
-OpenFlow instruction list class
-"""
-
-import action as action
-import instruction as instruction
-from action_list import action_list
-from base_list import ofp_base_list
-from cstruct import ofp_header
-import unittest
-
-# Instruction list
-
-instruction_object_map = {
-    action.OFPIT_GOTO_TABLE          : instruction.instruction_goto_table,
-    action.OFPIT_WRITE_METADATA      : instruction.instruction_write_metadata,      
-    action.OFPIT_WRITE_ACTIONS       : instruction.instruction_write_actions,       
-    action.OFPIT_APPLY_ACTIONS       : instruction.instruction_apply_actions,       
-    action.OFPIT_CLEAR_ACTIONS       : instruction.instruction_clear_actions,       
-}
-
-class instruction_list(ofp_base_list):
-    """
-    Maintain a list of instructions
-
-    Data members:
-    @arg instructions An array of instructions such as write_actions
-
-    Methods:
-    @arg pack: Pack the structure into a string
-    @arg unpack: Unpack a string to objects, with proper typing
-    @arg add: Add an action to the list; you can directly access
-    the action member, but add will validate that the added object 
-    is an action.
-
-    """
-
-    def __init__(self):
-        ofp_base_list.__init__(self)
-        self.instructions = self.items
-        self.name = "instruction"
-        self.class_list = instruction.instruction_class_list
-
-    def unpack(self, binary_string, bytes=None):
-        """
-        Unpack a list of instructions
-        
-        Unpack instructions from a binary string, creating an array
-        of objects of the appropriate type
-
-        @param binary_string The string to be unpacked
-
-        @param bytes The total length of the instruction list in bytes.  
-        Ignored if decode is True.  If bytes is None and decode is false, the
-        list is assumed to extend through the entire string.
-
-        @return The remainder of binary_string that was not parsed
-
-        """
-        if bytes == None:
-            bytes = len(binary_string)
-        bytes_done = 0
-        count = 0
-        cur_string = binary_string
-        while bytes_done < bytes:
-            hdr = instruction.ofp_instruction()
-            hdr.unpack(cur_string)
-            if hdr.len < action.OFP_ACTION_HEADER_BYTES:
-                print "ERROR: Action too short"
-                break
-            if not hdr.type in instruction_object_map.keys():
-                print "WARNING: Skipping unknown action ", hdr.type, hdr.len
-            else:
-                self.instructions.append(instruction_object_map[hdr.type]())
-                self.instructions[count].unpack(cur_string)
-                count += 1
-            cur_string = cur_string[hdr.len:]
-            bytes_done += hdr.len
-        return cur_string
-
-class Instruction_List_Test(unittest.TestCase):
-    def runTest(self):
-        # instructions header is 8 bytes
-        l = instruction_list()
-        act = action.action_output()
-        act.port = 7
-        inst = instruction.instruction_apply_actions()
-        self.assertTrue(inst.actions.add(act)) 
-        self.assertTrue(l.add(inst))
-        pkt = l.pack()
-        # 24 == 8 (list header) + (apply header) 8 + (output action) 8 
-        self.assertEqual(len(pkt),24)
-       
-        l = instruction_list()
-        self.assertTrue(l.add(instruction.instruction_goto_table()))
-        
diff --git a/src/python/of12/match.py b/src/python/of12/match.py
deleted file mode 100644
index c732467..0000000
--- a/src/python/of12/match.py
+++ /dev/null
@@ -1,893 +0,0 @@
-
-# Python OpenFlow instruction wrapper classes
-
-import struct
-import ipaddr
-import socket
-from cstruct import *
-
-
-class oxm_tlv(object):
-    def __init__(self, field, hasmask, length, value, mask=None, 
-        class_ = 0x8000):
-        self.class_ = class_
-        self.field = field
-        self.hasmask = hasmask
-        self.length = length
-        self.value = value
-        self.mask = mask
-    
-    def __eq__(self, other):        
-        return (self.class_ == other.class_ and self.field == other.field 
-                  and self.hasmask == other.hasmask and 
-                  self.length == other.length and self.value == other.value and
-                  self.mask == self.mask)
-
-    def pack(self, assertstruct=True):
-        
-        packed = ""
-        packed += struct.pack("!I", ((self.class_ << 16) | (self.field << 9) | 
-            (self.hasmask << 8) | self.length))
-        if self.length == 1:
-            packed += struct.pack("B", self.value)
-            if self.hasmask:
-                packed += struct.pack("B", self.mask)
-        elif self.length == 2 or (self.length == 4 and self.hasmask == True):
-            packed += struct.pack("!H", self.value)
-            if self.hasmask:
-                packed += struct.pack("!H", self.mask)
-        elif self.length == 4 or (self.length == 8 and self.hasmask == True):
-            packed += struct.pack("!I", self.value)
-            if self.hasmask:
-                packed += struct.pack("!I", self.mask)
-        elif self.length == 6 or self.length == 12:
-            packed += struct.pack("!BBBBBB", self.value[0],self.value[1],
-                self.value[2],self.value[3],self.value[4],self.value[5])
-            if self.hasmask:
-                packed += struct.pack("!BBBBBB", self.mask[0],self.mask[1],
-                    self.mask[2],self.mask[3],self.mask[4],self.mask[5])
-        elif self.length == 8 or (self.length == 16 and self.hasmask == True):
-            packed += struct.pack("!Q", self.value)
-            if self.hasmask:
-                packed += struct.pack("!Q", self.mask)
-        elif self.length == 16 or self.length == 32:
-            packed += self.value.packed
-            if self.hasmask:
-                packed += self.mask.packed
-        return packed
-    
-    def __len__(self):
-        return self.length + 4
-    
-    def show(self, prefix=''):
-        return "\n".join(
-#        ("oxm_tlv_class=" + hex(self.class_),
-        (prefix + "oxm_tlv_class=" + hex(self.class_),
-         prefix + "oxm_tlv_field=" + str(self.field),
-         prefix +"oxm_tlv_hasmask=" + str(bool(self.hasmask)),
-         prefix +"oxm_tlv_length: " + str(self.length) + "\n",))
-        
-
-    subclasses = {}
-
-    def set_value(self, value):
-        self.value = value
-
-    def set_hasmask(self, hasmask):
-        self.hasmask = hasmask
-
-    def set_mask(self, mask):
-        self.mask = mask
-
-    @staticmethod
-    def factory():
-        for subclass in oxm_tlv.__subclasses__():
-            obj = subclass()
-            oxm_tlv.subclasses[obj.field] = subclass
-   
-    @staticmethod
-    def create(field):
-        return oxm_tlv.subclasses[field]()
-
-
-
-def roundup (x,y): 
-    return (((x) + ((y) - 1)) / (y) * (y))
-
-class in_port(oxm_tlv):
-    """
-    Wrapper class for in_port match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_IN_PORT , hasmask, 4, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = in_port\n"
-        outstr += oxm_tlv.show(self, prefix) 
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-
-
-class in_phy_port(oxm_tlv):
-    """
-    Wrapper class for in_phy_port match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self,OFPXMT_OFB_IN_PHY_PORT, hasmask, 4, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = in_phy_port\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-
-
-class metadata(oxm_tlv):
-    """
-    Wrapper class for metadata match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, mask =None):
-        if mask == None:
-            oxm_tlv.__init__(self, OFPXMT_OFB_METADATA, False, 8, value)
-        else:
-            oxm_tlv.__init__(self, OFPXMT_OFB_METADATA, True, 16, value, mask)            
-    def show(self, prefix=''):
-        outstr = prefix + "name = metadata\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-
-class eth_dst(oxm_tlv):
-    """
-    Wrapper class for eth_dst match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, mask=None):
-        if mask == None:
-            oxm_tlv.__init__(self, OFPXMT_OFB_ETH_DST, False, 6, value)
-        else:
-            oxm_tlv.__init__(self, OFPXMT_OFB_ETH_DST, True, 12, value, mask)            
-    def show(self, prefix=''):
-        outstr = prefix + "name = eth_dst\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + ":".join(["%.2x" %x 
-            for x in self.value]) +"\n"
-        return outstr
-  
-class eth_src(oxm_tlv):
-    """
-    Wrapper class for eth_src match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        if not hasmask:
-            oxm_tlv.__init__(self, OFPXMT_OFB_ETH_SRC, hasmask, 6, value)
-        else:
-            oxm_tlv.__init__(self, OFPXMT_OFB_ETH_SRC, hasmask, 12, 
-                value, mask)            
-    def show(self, prefix=''):
-        outstr = prefix + "name = eth_src\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + ":".join(["%.2x" %x 
-            for x in self.value]) +"\n"
-        return outstr
-
-class eth_type(oxm_tlv):
-    """
-    Wrapper class for eth_type match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_ETH_TYPE, hasmask, 2, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = eth_type\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + hex(self.value) +"\n"
-        return outstr
-
-class vlan_vid(oxm_tlv):
-    """
-    Wrapper class for vlan_vid match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_VLAN_VID, hasmask, 2, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = vlan_vid\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-
-class vlan_pcp(oxm_tlv):
-    """
-    Wrapper class for vlan_pcp match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_VLAN_PCP, hasmask, 1, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = vlan_pcp\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-        
-class ip_dscp(oxm_tlv):
-    """
-    Wrapper class for ip_dscp match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_IP_DSCP, hasmask, 1, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = ip_dscp\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-
-class ip_ecn(oxm_tlv):
-    """
-    Wrapper class for ip_dscp match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_IP_ECN, hasmask, 1, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = ip_ecn\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"        
-        return outstr
-
-class ip_proto(oxm_tlv):
-    """
-    Wrapper class for ip_proto match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_IP_PROTO, hasmask, 1, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = ip_proto\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-
-class ipv4_src(oxm_tlv):
-    """
-    Wrapper class for ipv4_src match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        if not hasmask:
-            oxm_tlv.__init__(self, OFPXMT_OFB_IPV4_SRC, hasmask, 4, value)
-        else: 
-            oxm_tlv.__init__(self, OFPXMT_OFB_IPV4_SRC, hasmask, 4, value, mask)
-    def show(self, prefix=''):
-        outstr = prefix + "name = ipv4_src\n"
-        outstr += oxm_tlv.show(self, prefix)
-        #Value can be a long int or a string        
-        try:
-            addr = ipaddr.IPv4Address(self.value)
-        except ValueError:
-            addr = ipaddr.IPv4Address(int(self.value, 16))
-        outstr += prefix + "value = " + str(addr) +"\n"
-        return outstr
-
-class ipv4_dst(oxm_tlv):
-    """
-    Wrapper class for ipv4_dst match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        if not hasmask:
-            oxm_tlv.__init__(self, OFPXMT_OFB_IPV4_DST, hasmask, 4, value)
-        else:
-            oxm_tlv.__init__(self, OFPXMT_OFB_IPV4_DST, hasmask, 4, value, mask)
-    def show(self, prefix=''):
-        outstr = prefix + "name = ipv4_dst\n"
-        outstr += oxm_tlv.show(self, prefix)
-        #Value can be a long int or a string
-        #try:
-        addr = ipaddr.IPv4Address(self.value)
-        #except ValueError:
-         #   addr = ipaddr.IPv4Address(int(self.value, 16))
-        outstr += prefix + "value = " + str(addr) +"\n"
-        return outstr
-        
-class tcp_src(oxm_tlv):
-    """
-    Wrapper class for tcp_src match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_TCP_SRC, hasmask, 2, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = tcp_src\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-
-class tcp_dst(oxm_tlv):
-    """
-    Wrapper class for tcp_src match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_TCP_DST, hasmask, 2, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = tcp_dst\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr      
-
-class udp_src(oxm_tlv):
-    """
-    Wrapper class for udp_src match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_UDP_SRC, hasmask, 2, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = udp_src\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr   
-        
-class udp_dst(oxm_tlv):
-    """
-    Wrapper class for udp_dst match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_UDP_DST, hasmask, 2, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = udp_dst\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr 
-        
-class sctp_src(oxm_tlv):
-    """
-    Wrapper class for sctp_src match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_SCTP_SRC, hasmask, 2, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = sctp_src\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr  
-
-
-class sctp_dst(oxm_tlv):
-    """
-    Wrapper class for sctp_dst match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_SCTP_DST, hasmask, 2, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = sctp_dst\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr         
-  
-class icmpv4_type(oxm_tlv):
-    """
-    Wrapper class for icmpv4_type match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_ICMPV4_TYPE, hasmask, 1, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = icmpv4_type\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr          
-
-class icmpv4_code(oxm_tlv):
-    """
-    Wrapper class for icmpv4_code match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_ICMPV4_CODE, hasmask, 1, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = icmpv4_code\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outs
-        
-class arp_op(oxm_tlv):
-    """
-    Wrapper class for arp_op match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_ARP_OP, hasmask, 2, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = arp_op\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outs
-
-class arp_spa(oxm_tlv):
-    """
-    Wrapper class for arp_spa match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        if not hasmask:
-            oxm_tlv.__init__(self, OFPXMT_OFB_ARP_SPA, hasmask, 4, value)
-        else: 
-            oxm_tlv.__init__(self, OFPXMT_OFB_ARP_SPA, hasmask, 4, value, mask)
-    def show(self, prefix=''):
-        outstr = prefix + "name = arp_spa\n"
-        #Value can be a long int or a string        
-        try:
-            addr = ipaddr.IPv4Address(self.value)
-        except ValueError:
-            addr = ipaddr.IPv4Address(int(self.value, 16))        
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(addr) +"\n"        
-        return outstr
-        
-class arp_tpa(oxm_tlv):
-    """
-    Wrapper class for arp_tpa match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        if not hasmask:
-            oxm_tlv.__init__(self, OFPXMT_OFB_ARP_TPA, hasmask, 4, value)
-        else: 
-            oxm_tlv.__init__(self, OFPXMT_OFB_ARP_TPA, hasmask, 4, value, mask)
-    def show(self, prefix=''):
-        outstr = prefix + "name = arp_tpa\n"
-        #Value can be a long int or a string        
-        try:
-            addr = ipaddr.IPv4Address(self.value)
-        except ValueError:
-            addr = ipaddr.IPv4Address(int(self.value, 16))
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + ":".join(["%.2x" %x 
-            for x in self.value]) +"\n"                           
-        return outstr
-
-
-class arp_sha(oxm_tlv):
-    """
-    Wrapper class for arp_sha match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        if not hasmask:
-            oxm_tlv.__init__(self, OFPXMT_OFB_ARP_SHA, hasmask, 6, value)
-        else:
-            oxm_tlv.__init__(self, OFPXMT_OFB_ARP_SHA, hasmask, 12, value)            
-    def show(self, prefix=''):
-        outstr = prefix + "name = arp_sha\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + ":".join(["%.2x" %x 
-            for x in self.value]) +"\n"        
-        return outstr
- 
-class arp_tha(oxm_tlv):
-    """
-    Wrapper class for arp_tha match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        if not hasmask:
-            oxm_tlv.__init__(self, OFPXMT_OFB_ARP_THA, hasmask, 6, value)
-        else:
-            oxm_tlv.__init__(self, OFPXMT_OFB_ARP_THA, hasmask, 12, value)            
-    def show(self, prefix=''):
-        outstr = prefix + "name = arp_tha\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-        
-class ipv6_src(oxm_tlv):
-    """
-    Wrapper class for ipv6_src match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        if not hasmask:
-            oxm_tlv.__init__(self, OFPXMT_OFB_IPV6_SRC, False, 16, value)
-        else:
-            oxm_tlv.__init__(self, OFPXMT_OFB_IPV6_SRC, True, 32, value)            
-    def show(self, prefix=''):
-        outstr = prefix + "name = ipv6_src\n"
-        try:
-            addr = ipaddr.IPv6Address(self.value)
-        except ValueError:
-            addr = ipaddr.IPv6Address(int(self.value, 16))             
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(addr) +"\n"        
-        return outstr
-        
-class ipv6_dst(oxm_tlv):
-    """
-    Wrapper class for ipv6_dst match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        if not hasmask:
-            oxm_tlv.__init__(self, OFPXMT_OFB_IPV6_DST, False, 16, value)
-        else:
-            oxm_tlv.__init__(self, OFPXMT_OFB_IPV6_DST, True, 32, value)            
-    def show(self, prefix=''):
-        outstr = prefix + "name = ipv6_dst\n"
-        try:
-            addr = ipaddr.IPv6Address(self.value)
-        except ValueError:
-            addr = ipaddr.IPv6Address(int(self.value, 16))             
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(addr) +"\n"        
-        return outstr
- 
-class ipv6_flabel(oxm_tlv):
-    """
-    Wrapper class for ipv6_flabel match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        if not hasmask:
-            oxm_tlv.__init__(self, OFPXMT_OFB_IPV6_FLABEL, hasmask, 4, value)
-        else:
-            oxm_tlv.__init__(self, OFPXMT_OFB_IPV6_FLABEL, hasmask, 8, value)            
-    def show(self, prefix=''):
-        outstr = prefix + "name = ipv6_flabel\n"
-        outstr += oxm_tlv.show(self, prefix)
-        return outstr
-
-class icmpv6_type(oxm_tlv):
-    """
-    Wrapper class for icmpv6_type match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_ICMPV6_TYPE, hasmask, 1, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = icmpv6_type\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr          
-
-class icmpv6_code(oxm_tlv):
-    """
-    Wrapper class for icmpv6_code match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_ICMPV6_CODE, hasmask, 1, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = icmpv6_code\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outs
-
-class ipv6_nd_target(oxm_tlv):
-    """
-    Wrapper class for ipv6_nd_target match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_IPV6_ND_TARGET, hasmask, 16, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = ipv6_nd_target\n"
-        try:
-            addr = ipaddr.IPv6Address(self.value)
-        except ValueError:
-            addr = ipaddr.IPv6Address(int(self.value, 16))             
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(addr) +"\n"    
-        return outstr
-        
-class ipv6_nd_sll(oxm_tlv):
-    """
-    Wrapper class for ipv6_nd_sll match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_IPV6_ND_SLL, hasmask, 6, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = ipv6_nd_sll\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-
-class ipv6_nd_tll(oxm_tlv):
-    """
-    Wrapper class for ipv6_nd_tll match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_IPV6_ND_TLL, hasmask, 6, value)          
-    def show(self, prefix=''):
-        outstr = prefix + "name = ipv6_nd_tll\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-
-class mpls_label(oxm_tlv):
-    """
-    Wrapper class for mpls_label match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_MPLS_LABEL, hasmask, 4, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = mpls_label\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-        
-class mpls_tc(oxm_tlv):
-    """
-    Wrapper class for mpls_ltc match object
-
-    Data members inherited from oxm_tlv:
-    @arg class
-    @arg field
-    @arg hasmask
-    @arg body
-
-    """
-    def __init__(self, value=None, hasmask=False):
-        oxm_tlv.__init__(self, OFPXMT_OFB_MPLS_TC, hasmask, 1, value)
-    def show(self, prefix=''):
-        outstr = prefix + "name = mpls_tc\n"
-        outstr += oxm_tlv.show(self, prefix)
-        outstr += prefix + "value = " + str(self.value) +"\n"
-        return outstr
-
-match_class_list = (
-    in_port,
-    in_phy_port,
-    metadata,
-    eth_dst,
-    eth_src,
-    eth_type,
-    vlan_vid,
-    vlan_pcp,
-    ip_dscp,
-    ip_ecn,
-    ip_proto,
-    ipv4_src,
-    ipv4_dst,
-    tcp_src,
-    tcp_dst,
-    udp_src,
-    udp_dst,
-    sctp_src,
-    sctp_dst,
-    icmpv4_type,
-    icmpv4_code,
-    arp_op,
-    arp_spa,
-    arp_tpa,
-    arp_sha,
-    arp_tha,
-    ipv6_src,
-    ipv6_dst,
-    ipv6_flabel,
-    icmpv6_type,
-    icmpv6_code,
-    ipv6_nd_target,
-    ipv6_nd_sll,
-    ipv6_nd_tll,
-    mpls_label,
-    mpls_tc)
diff --git a/src/python/of12/match_list.py b/src/python/of12/match_list.py
deleted file mode 100644
index 7a50c75..0000000
--- a/src/python/of12/match_list.py
+++ /dev/null
@@ -1,90 +0,0 @@
-import struct
-import binascii
-import match as match
-from match import oxm_tlv 
-from base_list import ofp_base_list
-
-
-class match_list(ofp_base_list):
-
-    def __init__(self):
-        ofp_base_list.__init__(self)
-        self.tlvs = self.items
-        self.name = "match"
-        self.class_list = match.match_class_list
-
-    def __len__(self):
-        return sum([len(i) for i in self])
-
-    def __eq__(self, other):
-        self.tlvs.sort(key=lambda x: x.field); 
-        other.tlvs.sort(key=lambda x: x.field);
-        return self.tlvs == other.tlvs
-
-    def unpack(self, binary_string, bytes=None):
-        oxm_tlv.factory()
-        if bytes <= 4:
-            return binary_string[4:]
-        if bytes == None:
-            bytes = len(binary_string)
-        offset = 0
-        cur_string = binary_string
-        part = lambda: cur_string[read+4:read+4+oxm_length]
-        while offset < bytes:
-            read = 0
-            oxm_class, oxm_fieldhm, oxm_length = struct.unpack("!HBB", 
-                cur_string[read:read+4])   
-            #Found padding bytes?
-            if not oxm_class:
-                break
-            oxm_field = oxm_fieldhm >> 1
-            oxm_hasmask = oxm_fieldhm & 0x00000001
-
-            if oxm_length == 1:
-                if oxm_hasmask:
-                    value, mask = struct.unpack("BB", part())[:2]
-                else: 
-                    value = struct.unpack("!B", part())[0]
-                    mask = None
-            elif  oxm_length == 2 or (oxm_length == 4 and oxm_hasmask == True):
-                if oxm_hasmask:
-                    value, mask = struct.unpack("!HH", part())[:2]
-                else:
-                    value = struct.unpack("!H", part())[0]
-                    mask = None    
-            elif oxm_length == 4 or (oxm_length == 8 and oxm_hasmask == True):
-                if oxm_hasmask:
-                    value, mask = struct.unpack("!II", part())[:2]
-                else: 
-                    value = struct.unpack("!I", part())[0]
-                    mask = None
-            elif oxm_length == 6 or oxm_length == 12:
-                if oxm_hasmask:
-                    data = struct.unpack("!12B", part())[0]
-                    value, mask = data[:6], data[6:]
-                else:
-                    value =  list(struct.unpack("!6B", part()))
-                    mask = None
-            elif oxm_length == 8 or (oxm_length == 16 and oxm_hasmask == True):
-                if oxm_hasmask:
-                    value, mask = struct.unpack("!QQ", part())[0]
-                else: 
-                    value = struct.unpack("!Q", part())[0]
-                    mask = None
-            elif oxm_length == 16 or oxm_length == 32:
-                if oxm_hasmask:
-                    data =  struct.unpack("!32s", part())[0]
-                    value, mask = data[:16], data[16:]
-                else:
-                    value =  struct.unpack("!16s", part())[0]
-                    mask = None             
-          
-            oxm = oxm_tlv.create(oxm_field)
-            oxm.set_hasmask(oxm_hasmask)
-            oxm.set_value(value)
-            oxm.set_mask(mask)
-            self.tlvs.append(oxm)
-            read = 4 + oxm_length
-            offset += read
-            cur_string = cur_string[read:]   
-        return cur_string
diff --git a/src/python/of12/message.py b/src/python/of12/message.py
deleted file mode 100644
index b8fb9b8..0000000
--- a/src/python/of12/message.py
+++ /dev/null
@@ -1,4015 +0,0 @@
-
-# Python OpenFlow message wrapper classes
-
-from cstruct import *
-from match import oxm_tlv
-from match import roundup
-from match_list import match_list
-from action_list import action_list
-from instruction_list import instruction_list
-from bucket_list import bucket_list
-from error import *
-
-# Define templates for documentation
-class ofp_template_msg(object):
-    """
-    Sample base class for template_msg; normally auto generated
-    This class should live in the of_header name space and provides the
-    base class for this type of message.  It will be wrapped for the
-    high level API.
-
-    """
-    def __init__(self, **kwargs):
-        """
-        Constructor for base class
-
-        """
-        self.header = ofp_header()
-        # Additional base data members declared here
-
-    # Normally will define pack, unpack, __len__ functions
-
-class template_msg(ofp_template_msg):
-    """
-    Sample class wrapper for template_msg
-    This class should live in the of_message name space and provides the
-    high level API for an OpenFlow message object.  These objects must
-    implement the functions indicated in this template.
-
-    """
-    def __init__(self, **kwargs):
-        """
-        Constructor
-        Must set the header type value appropriately for the message
-
-        """
-
-        ##@var header
-        # OpenFlow message header: length, version, xid, type
-        ofp_template_msg.__init__(self)
-        self.header = ofp_header()
-        # For a real message, will be set to an integer
-        self.header.type = "TEMPLATE_MSG_VALUE"
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        pass
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-
-        @return Typically returns the remainder of binary_string that
-        was not parsed.  May give a warning if that string is non-empty
-
-        """
-        pass
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        pass
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-        pass
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        pass
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        pass
-
-
-################################################################
-#
-# OpenFlow Message Definitions
-#
-################################################################
-
-class barrier_reply(object):
-    """
-    Wrapper class for barrier_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_BARRIER_REPLY=21)
-
-
-    """
-
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        self.header.type = OFPT_BARRIER_REPLY
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'barrier_reply (OFPT_BARRIER_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class barrier_request(object):
-    """
-    Wrapper class for barrier_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_BARRIER_REQUEST=20)
-
-
-    """
-
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        self.header.type = OFPT_BARRIER_REQUEST
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'barrier_request (OFPT_BARRIER_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class echo_reply(object):
-    """
-    Wrapper class for echo_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_ECHO_REPLY=3)
-
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        self.header.type = OFPT_ECHO_REPLY
-        self.data = ""
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'echo_reply (OFPT_ECHO_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class echo_request(object):
-    """
-    Wrapper class for echo_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_ECHO_REQUEST=2)
-
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        self.header.type = OFPT_ECHO_REQUEST
-        self.data = ""
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'echo_request (OFPT_ECHO_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class error(ofp_error_msg):
-    """
-    Wrapper class for error
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_ERROR=1)
-
-    Data members inherited from ofp_error_msg:
-    @arg type
-    @arg code
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_error_msg.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_ERROR
-        self.data = ""
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_error_msg.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_error_msg.unpack(self, binary_string)
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_error_msg.__len__(self)
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'error (OFPT_ERROR)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_error_msg.show(self, prefix)
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_error_msg.__eq__(self, other): return False
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class experimenter(ofp_experimenter_header):
-    """
-    Wrapper class for experimenter
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_EXPERIMENTER=4)
-
-    Data members inherited from ofp_experimenter_header:
-    @arg experimenter
-    @arg exp_type
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_experimenter_header.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_EXPERIMENTER
-        self.data = ""
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_experimenter_header.pack(self)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_experimenter_header.unpack(self, binary_string)
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_experimenter_header.__len__(self)
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'experimenter (OFPT_EXPERIMENTER)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_experimenter_header.show(self, prefix)
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_experimenter_header.__eq__(self, other): return False
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class features_reply(ofp_switch_features):
-    """
-    Wrapper class for features_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_FEATURES_REPLY=6)
-
-    Data members inherited from ofp_switch_features:
-    @arg datapath_id
-    @arg n_buffers
-    @arg n_tables
-    @arg capabilities
-    @arg reserved
-    @arg ports: Variable length array of TBD
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_switch_features.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_FEATURES_REPLY
-        self.ports = []
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_switch_features.pack(self)
-        for obj in self.ports:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_switch_features.unpack(self, binary_string)
-        while len(binary_string) >= OFP_PORT_BYTES:
-            new_port = ofp_port()
-            binary_string = new_port.unpack(binary_string)
-            self.ports.append(new_port)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_switch_features.__len__(self)
-        for obj in self.ports:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'features_reply (OFPT_FEATURES_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_switch_features.show(self, prefix)
-        outstr += prefix + "Array ports\n"
-        for obj in self.ports:
-            outstr += obj.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_switch_features.__eq__(self, other): return False
-        if self.ports != other.ports: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class features_request(object):
-    """
-    Wrapper class for features_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_FEATURES_REQUEST=5)
-
-
-    """
-
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        self.header.type = OFPT_FEATURES_REQUEST
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'features_request (OFPT_FEATURES_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class flow_mod(ofp_flow_mod):
-    """
-    Wrapper class for flow_mod
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_FLOW_MOD=14)
-
-    Data members inherited from ofp_flow_mod:
-    @arg cookie
-    @arg cookie_mask
-    @arg table_id
-    @arg command
-    @arg idle_timeout
-    @arg hard_timeout
-    @arg priority
-    @arg buffer_id
-    @arg out_port
-    @arg out_group
-    @arg flags
-    @arg match
-    @arg instructions: Object of type instruction_list
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_flow_mod.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_FLOW_MOD
-        self.buffer_id = 0xffffffff   #no buffer
-        self.out_port = OFPP_ANY
-        self.out_group = OFPG_ANY
-        self.match_fields = match_list()
-        self.instructions = instruction_list()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        if not len(self.match_fields):
-            tlv_pad = oxm_tlv(0,0,0,0,0,0)
-            self.match_fields.tlvs.append(tlv_pad)
-        else:
-            if len(self.match_fields) > 4:
-                self.match.length +=  len(self.match_fields)
-        packed = self.header.pack() 
-        packed += ofp_flow_mod.pack(self)
-        self.match_fields.tlvs.sort(key=lambda x : x.field)
-        packed += self.match_fields.pack()
-        padding_size = roundup( len(self.match) + len(self.match_fields),8) - (len(self.match) + len(self.match_fields))
-        padding = [0] * padding_size
-        if padding_size:
-            packed += struct.pack("!" + str(padding_size) + "B", *padding)
-        packed += self.instructions.pack()
-        return packed
-
-
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_flow_mod.unpack(self, binary_string)
-        binary_string = self.match_fields.unpack(binary_string, bytes = self.match.length - 4)
-        padding = roundup(OFP_FLOW_MOD_BYTES + len(self.match_fields),8) - (OFP_FLOW_MOD_BYTES + len(self.match_fields))
-        if padding:
-            binary_string = binary_string[padding:]
-        ai_len = self.length - roundup(OFP_FLOW_MOD_BYTES + len(self.match_fields),8)
-        binary_string = self.instructions.unpack(binary_string, bytes=ai_len)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_flow_mod.__len__(self)
-        length = roundup(length + len(self.match_fields), 8)
-        length += len(self.instructions)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'flow_mod (OFPT_FLOW_MOD)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_flow_mod.show(self, prefix)
-        outstr += self.match_fields.show(prefix + '  ')
-        outstr += prefix + "List instructions\n"
-        outstr += self.instructions.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_flow_mod.__eq__(self, other): return False
-        if self.match_fields != other.match_fields: return False
-        if self.instructions != other.instructions: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class flow_removed(ofp_flow_removed):
-    """
-    Wrapper class for flow_removed
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_FLOW_REMOVED=11)
-
-    Data members inherited from ofp_flow_removed:
-    @arg cookie
-    @arg priority
-    @arg reason
-    @arg table_id
-    @arg duration_sec
-    @arg duration_nsec
-    @arg idle_timeout
-    @arg hard_timeout
-    @arg packet_count
-    @arg byte_count
-    @arg match
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_flow_removed.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_FLOW_REMOVED
-        self.match_fields = match_list()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        if not len(self.match_fields):
-            tlv_pad = oxm_tlv(0,0,0,0,0,0)
-            self.match.length += 4
-            self.match_fields.tlvs.append(tlv_pad)
-        else:
-            if len(self.match_fields) > 4:
-                self.match.length +=  len(self.match_fields)
-        packed = self.header.pack()
-        packed += ofp_flow_removed.pack(self)
-        packed += self.match_fields.pack()
-        padding_size = roundup( len(self.match) + len(self.match_fields),8) - (len(self.match) + len(self.match_fields))
-        padding = [0] * padding_size
-        if padding_size:
-            packed += struct.pack("!" + str(padding_size) + "B", *padding)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_flow_removed.unpack(self, binary_string)
-        binary_string = self.match_fields.unpack(binary_string, bytes = self.match.length - 4)
-        padding = roundup(OFP_FLOW_REMOVED_BYTES + len(self.match_fields),8) - (OFP_FLOW_REMOVED_BYTES + len(self.match_fields))
-        if padding:
-            binary_string = binary_string[padding:]
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-        length += roundup(ofp_flow_removed.__len__(self) + len(self.match_fields),8)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'flow_removed (OFPT_FLOW_REMOVED)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_flow_removed.show(self, prefix)
-        outstr += self.match_fields.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-        if not ofp_flow_removed.__eq__(self, other): return False
-        if self.match_fields != other.match_fields: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class get_config_reply(ofp_switch_config):
-    """
-    Wrapper class for get_config_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_GET_CONFIG_REPLY=8)
-
-    Data members inherited from ofp_switch_config:
-    @arg flags
-    @arg miss_send_len
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_switch_config.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_GET_CONFIG_REPLY
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_switch_config.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_switch_config.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_switch_config.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'get_config_reply (OFPT_GET_CONFIG_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_switch_config.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_switch_config.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class get_config_request(object):
-    """
-    Wrapper class for get_config_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_GET_CONFIG_REQUEST=7)
-
-
-    """
-
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        self.header.type = OFPT_GET_CONFIG_REQUEST
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'get_config_request (OFPT_GET_CONFIG_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class group_mod(ofp_group_mod):
-    """
-    Wrapper class for group_mod
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_GROUP_MOD=15)
-
-    Data members inherited from ofp_group_mod:
-    @arg command
-    @arg type
-    @arg group_id
-    @arg buckets: Object of type bucket_list
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_group_mod.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_GROUP_MOD
-        self.buckets = bucket_list()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_group_mod.pack(self)
-        packed += self.buckets.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_group_mod.unpack(self, binary_string)
-        binary_string = self.buckets.unpack(binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_group_mod.__len__(self)
-        length += len(self.buckets)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'group_mod (OFPT_GROUP_MOD)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_group_mod.show(self, prefix)
-        outstr += prefix + "List buckets\n"
-        outstr += self.buckets.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_group_mod.__eq__(self, other): return False
-        if self.buckets != other.buckets: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class hello(object):
-    """
-    Wrapper class for hello
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_HELLO=0)
-
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        self.header.type = OFPT_HELLO
-        self.data = ""
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'hello (OFPT_HELLO)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class packet_in(ofp_packet_in):
-    """
-    Wrapper class for packet_in
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_PACKET_IN=10)
-
-    Data members inherited from ofp_packet_in:
-    @arg buffer_id
-    @arg total_len
-    @arg reason
-    @arg table_id
-    @arg match
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_packet_in.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_PACKET_IN
-        self.match_fields =  match_list()
-        self.data = ""
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        if len(self.match_fields) < 4:
-            tlv_pad = oxm_tlv(0,0,0,0,0,0)
-            self.match.length += 4
-            self.match_fields.tlvs.append(tlv_pad)
-        else:
-            if len(self.match_fields) > 4:
-                self.match.length +=  len(self.match_fields)
-        packed = self.header.pack()
-        packed += ofp_packet_in.pack(self)
-        packed += self.match_fields.pack()
-        padding_size = roundup( len(self.match) + len(self.match_fields),8) - (len(self.match) + len(self.match_fields))
-        padding = [0] * padding_size
-        if padding_size:
-            packed += struct.pack("!" + str(padding_size) + "B", *padding)
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_packet_in.unpack(self, binary_string)
-        binary_string = self.match_fields.unpack(binary_string, bytes = self.match.length - 4)
-        padding = roundup(OFP_PACKET_IN_BYTES + len(self.match_fields),8) - (OFP_PACKET_IN_BYTES + len(self.match_fields))
-        if padding:
-            binary_string = binary_string[padding:]
-        binary_string = binary_string[2:]
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += roundup(ofp_packet_in.__len__(self) + len(self.match_fields),8)
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'packet_in (OFPT_PACKET_IN)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_packet_in.show(self, prefix)
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_packet_in.__eq__(self, other): return False
-        if self.data != other.data: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class packet_out(ofp_packet_out):
-    """
-    Wrapper class for packet_out
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_PACKET_OUT=13)
-
-    Data members inherited from ofp_packet_out:
-    @arg buffer_id
-    @arg in_port
-    @arg actions_len
-    @arg actions: Object of type action_list
-    @arg data: Binary string following message members
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_packet_out.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_PACKET_OUT
-        self.actions = []
-        self.data = ""
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-        self.actions = action_list(self.actions)
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        self.actions_len = len(self.actions)
-        packed += ofp_packet_out.pack(self)
-        packed += self.actions.pack()
-        packed += self.data
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_packet_out.unpack(self, binary_string)
-        binary_string = self.actions.unpack(binary_string, bytes=self.actions_len)
-        self.data = binary_string
-        binary_string = ''
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_packet_out.__len__(self)
-        length += len(self.actions)
-        length += len(self.data)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'packet_out (OFPT_PACKET_OUT)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_packet_out.show(self, prefix)
-        outstr += prefix + "List actions\n"
-        outstr += self.actions.show(prefix + '  ')
-        outstr += prefix + 'data is of length ' + str(len(self.data)) + '\n'
-        ##@todo Fix this circular reference
-        # if len(self.data) > 0:
-            # obj = of_message_parse(self.data)
-            # if obj != None:
-                # outstr += obj.show(prefix)
-            # else:
-                # outstr += prefix + "Unable to parse data\n"
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_packet_out.__eq__(self, other): return False
-        if self.data != other.data: return False
-        if self.actions != other.actions: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class port_mod(ofp_port_mod):
-    """
-    Wrapper class for port_mod
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_PORT_MOD=16)
-
-    Data members inherited from ofp_port_mod:
-    @arg port_no
-    @arg hw_addr
-    @arg config
-    @arg mask
-    @arg advertise
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_port_mod.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_PORT_MOD
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_port_mod.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_port_mod.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_port_mod.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'port_mod (OFPT_PORT_MOD)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_port_mod.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_port_mod.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class port_status(ofp_port_status):
-    """
-    Wrapper class for port_status
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_PORT_STATUS=12)
-
-    Data members inherited from ofp_port_status:
-    @arg reason
-    @arg desc
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_port_status.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_PORT_STATUS
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_port_status.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_port_status.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_port_status.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'port_status (OFPT_PORT_STATUS)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_port_status.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_port_status.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class queue_get_config_reply(ofp_queue_get_config_reply):
-    """
-    Wrapper class for queue_get_config_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_QUEUE_GET_CONFIG_REPLY=23)
-
-    Data members inherited from ofp_queue_get_config_reply:
-    @arg port
-    @arg queues: Variable length array of TBD
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_queue_get_config_reply.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_QUEUE_GET_CONFIG_REPLY
-        self.queues = []
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_queue_get_config_reply.pack(self)
-        for obj in self.queues:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_queue_get_config_reply.unpack(self, binary_string)
-        for obj in self.queues:
-            binary_string = obj.unpack(binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_queue_get_config_reply.__len__(self)
-        for obj in self.queues:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'queue_get_config_reply (OFPT_QUEUE_GET_CONFIG_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_queue_get_config_reply.show(self, prefix)
-        outstr += prefix + "Array queues\n"
-        for obj in self.queues:
-            outstr += obj.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_queue_get_config_reply.__eq__(self, other): return False
-        if self.queues != other.queues: return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class queue_get_config_request(ofp_queue_get_config_request):
-    """
-    Wrapper class for queue_get_config_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_QUEUE_GET_CONFIG_REQUEST=22)
-
-    Data members inherited from ofp_queue_get_config_request:
-    @arg port
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_queue_get_config_request.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_QUEUE_GET_CONFIG_REQUEST
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_queue_get_config_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_queue_get_config_request.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_queue_get_config_request.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'queue_get_config_request (OFPT_QUEUE_GET_CONFIG_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_queue_get_config_request.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_queue_get_config_request.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class set_config(ofp_switch_config):
-    """
-    Wrapper class for set_config
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_SET_CONFIG=9)
-
-    Data members inherited from ofp_switch_config:
-    @arg flags
-    @arg miss_send_len
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_switch_config.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_SET_CONFIG
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_switch_config.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_switch_config.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_switch_config.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'set_config (OFPT_SET_CONFIG)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_switch_config.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_switch_config.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for stats_reply
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_STATS_REPLY=19)
-
-    Data members inherited from ofp_stats_reply:
-    @arg type
-    @arg flags
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_stats_reply.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_STATS_REPLY
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_stats_reply.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_stats_reply.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'stats_reply (OFPT_STATS_REPLY)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_stats_reply.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class stats_request(ofp_stats_request):
-    """
-    Wrapper class for stats_request
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_STATS_REQUEST=18)
-
-    Data members inherited from ofp_stats_request:
-    @arg type
-    @arg flags
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_stats_request.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_STATS_REQUEST
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_stats_request.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'stats_request (OFPT_STATS_REQUEST)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_stats_request.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-class table_mod(ofp_table_mod):
-    """
-    Wrapper class for table_mod
-
-    OpenFlow message header: length, version, xid, type
-    @arg length: The total length of the message
-    @arg version: The OpenFlow version (3)
-    @arg xid: The transaction ID
-    @arg type: The message type (OFPT_TABLE_MOD=17)
-
-    Data members inherited from ofp_table_mod:
-    @arg table_id
-    @arg config
-
-    """
-
-    def __init__(self, **kwargs):
-        ofp_table_mod.__init__(self)
-        self.header = ofp_header()
-        self.header.type = OFPT_TABLE_MOD
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-
-    def pack(self):
-        """
-        Pack object into string
-
-        @return The packed string which can go on the wire
-
-        """
-        self.header.length = len(self)
-        packed = self.header.pack()
-
-        packed += ofp_table_mod.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        """
-        Unpack object from a binary string
-
-        @param binary_string The wire protocol byte string holding the object
-        represented as an array of bytes.
-        @return The remainder of binary_string that was not parsed.
-
-        """
-        binary_string = self.header.unpack(binary_string)
-
-        binary_string = ofp_table_mod.unpack(self, binary_string)
-        # Fixme: If no self.data, add check for data remaining
-        return binary_string
-
-    def __len__(self):
-        """
-        Return the length of this object once packed into a string
-
-        @return An integer representing the number bytes in the packed
-        string.
-
-        """
-        length = OFP_HEADER_BYTES
-
-        length += ofp_table_mod.__len__(self)
-        return length
-
-    def show(self, prefix=''):
-        """
-        Generate a string (with multiple lines) describing the contents
-        of the object in a readable manner
-
-        @param prefix Pre-pended at the beginning of each line.
-
-        """
-
-        outstr = prefix + 'table_mod (OFPT_TABLE_MOD)\n'
-        prefix += '  '
-        outstr += prefix + 'ofp header\n'
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_table_mod.show(self, prefix)
-        return outstr
-
-    def __eq__(self, other):
-        """
-        Return True if self and other hold the same data
-
-        @param other Other object in comparison
-
-        """
-        if type(self) != type(other): return False
-        if not self.header.__eq__(other.header): return False
-
-        if not ofp_table_mod.__eq__(self, other): return False
-        return True
-
-    def __ne__(self, other):
-        """
-        Return True if self and other do not hold the same data
-
-        @param other Other object in comparison
-
-        """
-        return not self.__eq__(other)
-    
-
-
-################################################################
-#
-# Stats request and reply subclass definitions
-#
-################################################################
-
-
-# Stats request bodies for desc and table stats are not defined in the
-# OpenFlow header;  We define them here.  They are empty classes, really
-
-class ofp_desc_stats_request(object):
-    """
-    Forced definition of ofp_desc_stats_request (empty class)
-    """
-    def __init__(self, **kwargs):
-        pass
-    def pack(self, assertstruct=True):
-        return ""
-    def unpack(self, binary_string):
-        return binary_string
-    def __len__(self):
-        return 0
-    def show(self, prefix=''):
-        return prefix + "ofp_desc_stats_request (empty)\n"
-    def __eq__(self, other):
-        return type(self) == type(other)
-    def __ne__(self, other):
-        return type(self) != type(other)
-
-OFP_DESC_STATS_REQUEST_BYTES = 0
-
-class ofp_table_stats_request(object):
-    """
-    Forced definition of ofp_table_stats_request (empty class)
-    """
-    def __init__(self, **kwargs):
-        pass
-    def pack(self, assertstruct=True):
-        return ""
-    def unpack(self, binary_string):
-        return binary_string
-    def __len__(self):
-        return 0
-    def show(self, prefix=''):
-        return prefix + "ofp_table_stats_request (empty)\n"
-    def __eq__(self, other):
-        return type(self) == type(other)
-    def __ne__(self, other):
-        return type(self) != type(other)
-
-OFP_TABLE_STATS_REQUEST_BYTES = 0
-
-class ofp_group_desc_stats_request(object):
-    """
-    Forced definition of ofp_group_desc_stats_request (empty class)
-    """
-    def __init__(self, **kwargs):
-        pass
-    def pack(self, assertstruct=True):
-        return ""
-    def unpack(self, binary_string):
-        return binary_string
-    def __len__(self):
-        return 0
-    def show(self, prefix=''):
-        return prefix + "ofp_group_desc_stats_request (empty)\n"
-    def __eq__(self, other):
-        return type(self) == type(other)
-    def __ne__(self, other):
-        return type(self) != type(other)
-
-OFP_GROUP_DESC_STATS_REQUEST_BYTES = 0
-
-
-
-# Stats entries define the content of one element in a stats
-# reply for the indicated type; define _entry for consistency
-
-aggregate_stats_entry = ofp_aggregate_stats_reply
-desc_stats_entry = ofp_desc_stats
-port_stats_entry = ofp_port_stats
-queue_stats_entry = ofp_queue_stats
-table_stats_entry = ofp_table_stats
-group_stats_entry = ofp_group_stats
-group_desc_stats_entry = ofp_group_desc_stats
-
-
-#
-# Flow stats entry contains an action list of variable length, so
-# it is done by hand
-#
-
-class flow_stats_entry(ofp_flow_stats):
-    """
-    Special case flow stats entry to handle action list object
-    """
-    def __init__(self, **kwargs):
-        ofp_flow_stats.__init__(self)
-        self.match_fields = match_list()
-        self.instructions = instruction_list()
-
-    def pack(self, assertstruct=True):
-        self.length = len(self)
-        if not len(self.match_fields):
-            tlv_pad = oxm_tlv(0,0,0,0,0,0)
-            self.match.length += 4
-            self.match_fields.tlvs.append(tlv_pad)
-        else:
-            if len(self.match_fields) > 4:
-                self.match.length +=  len(self.match_fields)      
-        packed = ofp_flow_stats.pack(self, assertstruct)
-        packed += self.match_fields.pack()
-        padding_size = roundup(len(self.match) + len(self.match_fields),8) - (len(self.match) + len(self.match_fields))
-        padding = [0] * padding_size
-        if padding_size:
-            packed += struct.pack("!" + str(padding_size) + "B", *padding)
-        packed += self.instructions.pack()
-        if len(packed) != self.length:
-            print("ERROR: flow_stats_entry pack length not equal",
-                  self.length, len(packed))
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = ofp_flow_stats.unpack(self, binary_string)
-        binary_string = self.match_fields.unpack(binary_string, bytes = self.match.length - 4)
-        padding = roundup((OFP_FLOW_STATS_BYTES -4) + self.match.length,8) - ((OFP_FLOW_STATS_BYTES - 4) + self.match.length)
-        if padding:
-            binary_string = binary_string[padding:]
-        ai_len = self.length - roundup(OFP_FLOW_STATS_BYTES + len(self.match_fields),8)
-        if ai_len < 0:
-            print("ERROR: flow_stats_entry unpack length too small",
-                  self.length)
-        binary_string = self.instructions.unpack(binary_string, bytes=ai_len)
-        return binary_string
-
-    def __len__(self):
-        return roundup(OFP_FLOW_STATS_BYTES + len(self.match_fields),8) + len(self.instructions)
-
-    def show(self, prefix=''):
-        outstr = prefix + "flow_stats_entry\n"
-        outstr += ofp_flow_stats.show(self, prefix + '  ')
-        outstr += self.match_fields.show(prefix + '  ')
-        outstr += self.instructions.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (ofp_flow_stats.__eq__(self, other) and 
-                self.instructions == other.instructions)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class aggregate_stats_request(ofp_stats_request, ofp_aggregate_stats_request):
-    """
-    Wrapper class for aggregate stats request message
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_aggregate_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_AGGREGATE
-        self.match_fields = match_list()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-        
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        if not len(self.match_fields):
-            tlv_pad = oxm_tlv(0,0,0,0,0,0)
-            self.match.length += 4
-            self.match_fields.tlvs.append(tlv_pad)
-        else:
-            if len(self.match_fields) > 4:
-                self.match.length +=  len(self.match_fields)      
-        packed += ofp_aggregate_stats_request.pack(self, assertstruct)
-        packed += self.match_fields.pack()
-        padding_size = roundup(len(self.match) + len(self.match_fields),8) - (len(self.match) + len(self.match_fields))
-        padding = [0] * padding_size
-        
-        if padding_size:
-            packed += struct.pack("!" + str(padding_size) + "B", *padding)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_aggregate_stats_request.unpack(self, binary_string)
-        binary_string = self.match_fields.unpack(binary_string, bytes = self.match.length - 4)
-        padding = roundup(OFP_AGGREGATE_STATS_REQUEST_BYTES + len(self.match_fields),8) - (OFP_AGGREGATE_STATS_REQUEST_BYTES + len(self.match_fields))
-        if padding:
-            binary_string = binary_string[padding:]
-        if len(binary_string) != 0:
-            print "ERROR unpacking flow: extra data"
-        return binary_string
-    
-    
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REQUEST_BYTES + \
-                     OFP_AGGREGATE_STATS_REQUEST_BYTES
-        if not len(self.match_fields):
-            return length + 4            
-        else:
-            return  roundup(length + len(self.match_fields),8) 
-
-    def show(self, prefix=''):
-        outstr = prefix + "aggregate_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_aggregate_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_aggregate_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class aggregate_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for aggregate stats reply
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_AGGREGATE
-        # stats: Array of type aggregate_stats_entry
-        self.stats = []
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = aggregate_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = aggregate_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking aggregate stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "aggregate_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class desc_stats_request(ofp_stats_request, ofp_desc_stats_request):
-    """
-    Wrapper class for desc stats request message
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_desc_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_DESC
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_desc_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_desc_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking desc: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_DESC_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "desc_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_desc_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_desc_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class desc_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for desc stats reply
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_DESC
-        # stats: Array of type desc_stats_entry
-        self.stats = []
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = desc_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = desc_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking desc stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "desc_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class flow_stats_request(ofp_stats_request, ofp_flow_stats_request):
-    """
-    Wrapper class for flow stats request message
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_flow_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_FLOW
-        self.match_fields = match_list()
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        if not len(self.match_fields):
-            tlv_pad = oxm_tlv(0,0,0,0,0,0)
-            self.match.length += 4
-            self.match_fields.tlvs.append(tlv_pad)
-        else:
-            if len(self.match_fields) > 4:
-                self.match.length +=  len(self.match_fields)       
-        packed += ofp_flow_stats_request.pack(self)
-        packed += self.match_fields.pack()
-        padding_size = roundup(len(self.match) + len(self.match_fields),8) - (len(self.match) + len(self.match_fields))
-        padding = [0] * padding_size
-        if padding_size:
-            packed += struct.pack("!" + str(padding_size) + "B", *padding)  
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_flow_stats_request.unpack(self, binary_string)
-        binary_string = self.match_fields.unpack(binary_string, bytes = self.match.length - 4)
-        padding = roundup(OFP_FLOW_STATS_REQUEST_BYTES + len(self.match_fields),8) - (OFP_FLOW_STATS_REQUEST_BYTES + len(self.match_fields))
-        if padding:
-            binary_string = binary_string[padding:]
-        if len(binary_string) != 0:
-            print "ERROR unpacking flow: extra data"
-        return binary_string
-
-    def __len__(self):
-            length = len(self.header) + OFP_STATS_REQUEST_BYTES + \
-                     OFP_FLOW_STATS_REQUEST_BYTES
-            if not len(self.match_fields):
-               return length + 4            
-            else:
-               return  roundup(length + len(self.match_fields),8) 
-
-    def show(self, prefix=''):
-        outstr = prefix + "flow_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_flow_stats_request.show(self)
-        outstr += self.match_fields.show(prefix + '  ')
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_flow_stats_request.__eq__(self, other) and
-                self.match_fields != other.match_fields)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class flow_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for flow stats reply
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_FLOW
-        # stats: Array of type flow_stats_entry
-        self.stats = []
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = flow_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = flow_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking flow stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "flow_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class port_stats_request(ofp_stats_request, ofp_port_stats_request):
-    """
-    Wrapper class for port stats request message
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_port_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_PORT
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_port_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_port_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking port: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_PORT_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "port_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_port_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_port_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class port_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for port stats reply
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_PORT
-        # stats: Array of type port_stats_entry
-        self.stats = []
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = port_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = port_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking port stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "port_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class queue_stats_request(ofp_stats_request, ofp_queue_stats_request):
-    """
-    Wrapper class for queue stats request message
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_queue_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_QUEUE
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_queue_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_queue_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking queue: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_QUEUE_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "queue_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_queue_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_queue_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class queue_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for queue stats reply
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_QUEUE
-        # stats: Array of type queue_stats_entry
-        self.stats = []
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = queue_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = queue_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking queue stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "queue_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class group_stats_request(ofp_stats_request, ofp_group_stats_request):
-    """
-    Wrapper class for group stats request message
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_group_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_GROUP
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_group_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_group_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking group: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_GROUP_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "group_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_group_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_group_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class group_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for group stats reply
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_GROUP
-        # stats: Array of type group_stats_entry
-        self.stats = []
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = group_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = group_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking group stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "group_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class group_desc_stats_request(ofp_stats_request, ofp_group_desc_stats_request):
-    """
-    Wrapper class for group_desc stats request message
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_group_desc_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_GROUP_DESC
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_group_desc_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_group_desc_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking group_desc: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_GROUP_DESC_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "group_desc_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_group_desc_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_group_desc_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class group_desc_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for group_desc stats reply
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_GROUP_DESC
-        # stats: Array of type group_desc_stats_entry
-        self.stats = []
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = group_desc_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = group_desc_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking group_desc stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "group_desc_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class table_stats_request(ofp_stats_request, ofp_table_stats_request):
-    """
-    Wrapper class for table stats request message
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_request.__init__(self)
-        ofp_table_stats_request.__init__(self)
-        self.header.type = OFPT_STATS_REQUEST
-        self.type = OFPST_TABLE
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_request.pack(self)
-        packed += ofp_table_stats_request.pack(self)
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_request.unpack(self, binary_string)
-        binary_string = ofp_table_stats_request.unpack(self, binary_string)
-        if len(binary_string) != 0:
-            print "ERROR unpacking table: extra data"
-        return binary_string
-
-    def __len__(self):
-        return len(self.header) + OFP_STATS_REQUEST_BYTES + \
-               OFP_TABLE_STATS_REQUEST_BYTES
-
-    def show(self, prefix=''):
-        outstr = prefix + "table_stats_request\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_request.show(self)
-        outstr += ofp_table_stats_request.show(self)
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_request.__eq__(self, other) and
-                ofp_table_stats_request.__eq__(self, other))
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-class table_stats_reply(ofp_stats_reply):
-    """
-    Wrapper class for table stats reply
-    """
-    def __init__(self, **kwargs):
-        self.header = ofp_header()
-        ofp_stats_reply.__init__(self)
-        self.header.type = OFPT_STATS_REPLY
-        self.type = OFPST_TABLE
-        # stats: Array of type table_stats_entry
-        self.stats = []
-        for (k, v) in kwargs.items():
-            if hasattr(self, k):
-                setattr(self, k, v)
-            else:
-                raise NameError("field %s does not exist in %s" % (k, self.__class__))
-
-    def pack(self, assertstruct=True):
-        self.header.length = len(self)
-        packed = self.header.pack()
-        packed += ofp_stats_reply.pack(self)
-        for obj in self.stats:
-            packed += obj.pack()
-        return packed
-
-    def unpack(self, binary_string):
-        binary_string = self.header.unpack(binary_string)
-        binary_string = ofp_stats_reply.unpack(self, binary_string)
-        dummy = table_stats_entry()
-        while len(binary_string) >= len(dummy):
-            obj = table_stats_entry()
-            binary_string = obj.unpack(binary_string)
-            self.stats.append(obj)
-        if len(binary_string) != 0:
-            print "ERROR unpacking table stats string: extra bytes"
-        return binary_string
-
-    def __len__(self):
-        length = len(self.header) + OFP_STATS_REPLY_BYTES
-        for obj in self.stats:
-            length += len(obj)
-        return length
-
-    def show(self, prefix=''):
-        outstr = prefix + "table_stats_reply\n"
-        outstr += prefix + "ofp header:\n"
-        outstr += self.header.show(prefix + '  ')
-        outstr += ofp_stats_reply.show(self)
-        outstr += prefix + "Stats array of length " + str(len(self.stats)) + '\n'
-        for obj in self.stats:
-            outstr += obj.show()
-        return outstr
-
-    def __eq__(self, other):
-        if type(self) != type(other): return False
-        return (self.header == other.header and
-                ofp_stats_reply.__eq__(self, other) and
-                self.stats == other.stats)
-
-    def __ne__(self, other): return not self.__eq__(other)
-
-
-# @todo Add buckets to group and group_desc stats obejcts"
-message_type_list = (
-    aggregate_stats_reply,
-    aggregate_stats_request,
-    bad_action_error_msg,
-    bad_request_error_msg,
-    barrier_reply,
-    barrier_request,
-    desc_stats_reply,
-    desc_stats_request,
-    echo_reply,
-    echo_request,
-    error,
-    experimenter,
-    features_reply,
-    features_request,
-    flow_mod,
-    flow_mod_failed_error_msg,
-    flow_removed,
-    flow_stats_reply,
-    flow_stats_request,
-    get_config_reply,
-    get_config_request,
-    group_desc_stats_request,
-    group_desc_stats_reply,
-    group_stats_request,
-    group_stats_reply,
-    group_mod,
-    group_mod_failed_error_msg,
-    hello,
-    hello_failed_error_msg,
-    packet_in,
-    packet_out,
-    port_mod,
-    port_mod_failed_error_msg,
-    port_stats_reply,
-    port_stats_request,
-    port_status,
-    queue_get_config_reply,
-    queue_get_config_request,
-    queue_op_failed_error_msg,
-    queue_stats_reply,
-    queue_stats_request,
-    set_config,
-    switch_config_failed_error_msg,
-    table_mod,
-    table_mod_failed_error_msg,
-    table_stats_reply,
-    table_stats_request,
-    )
-
diff --git a/src/python/of12/parse.py b/src/python/of12/parse.py
deleted file mode 100644
index 6374a75..0000000
--- a/src/python/of12/parse.py
+++ /dev/null
@@ -1,333 +0,0 @@
-"""
-OpenFlow message parsing functions
-"""
-
-import sys
-import logging
-import message
-from match_list import match_list
-import match
-#from error import *
-#from action import *
-#from action_list import action_list
-import cstruct as ofp
-
-try:
-    logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
-    from scapy.all import *
-    from oftest.mpls import *
-except ImportError:
-    sys.exit("Need to install scapy for packet parsing")
-
-"""
-of_message.py
-Contains wrapper functions and classes for the of_message namespace
-that are generated by hand.  It includes the rest of the wrapper
-function information into the of_message namespace
-"""
-
-parse_logger = logging.getLogger("parse")
-#parse_logger.setLevel(logging.DEBUG)
-
-# These message types are subclassed
-msg_type_subclassed = [
-    ofp.OFPT_STATS_REQUEST,
-    ofp.OFPT_STATS_REPLY,
-    ofp.OFPT_ERROR
-]
-
-# Maps from sub-types to classes
-stats_reply_to_class_map = {
-    ofp.OFPST_DESC                      : message.desc_stats_reply,
-    ofp.OFPST_FLOW                      : message.flow_stats_reply,
-    ofp.OFPST_AGGREGATE                 : message.aggregate_stats_reply,
-    ofp.OFPST_TABLE                     : message.table_stats_reply,
-    ofp.OFPST_PORT                      : message.port_stats_reply,
-    ofp.OFPST_QUEUE                     : message.queue_stats_reply,
-    ofp.OFPST_GROUP                     : message.group_stats_reply,
-    ofp.OFPST_GROUP_DESC                : message.group_desc_stats_reply
-#    ofp.OFPST_EXPERIMENTER
-}
-
-stats_request_to_class_map = {
-    ofp.OFPST_DESC                      : message.desc_stats_request,
-    ofp.OFPST_FLOW                      : message.flow_stats_request,
-    ofp.OFPST_AGGREGATE                 : message.aggregate_stats_request,
-    ofp.OFPST_TABLE                     : message.table_stats_request,
-    ofp.OFPST_PORT                      : message.port_stats_request,
-    ofp.OFPST_QUEUE                     : message.queue_stats_request,
-    ofp.OFPST_GROUP                     : message.group_stats_request,
-    ofp.OFPST_GROUP_DESC                : message.group_desc_stats_request
-#    ofp.OFPST_EXPERIMENTER
-}
-
-error_to_class_map = {
-    ofp.OFPET_HELLO_FAILED              : message.hello_failed_error_msg,
-    ofp.OFPET_BAD_REQUEST               : message.bad_request_error_msg,
-    ofp.OFPET_BAD_ACTION                : message.bad_action_error_msg,
-    ofp.OFPET_BAD_INSTRUCTION           : message.bad_instruction_error_msg,
-    ofp.OFPET_BAD_MATCH                 : message.bad_match_error_msg,
-    ofp.OFPET_FLOW_MOD_FAILED           : message.flow_mod_failed_error_msg,
-    ofp.OFPET_GROUP_MOD_FAILED          : message.group_mod_failed_error_msg,
-    ofp.OFPET_PORT_MOD_FAILED           : message.port_mod_failed_error_msg,
-    ofp.OFPET_TABLE_MOD_FAILED          : message.table_mod_failed_error_msg,
-    ofp.OFPET_QUEUE_OP_FAILED           : message.queue_op_failed_error_msg,
-    ofp.OFPET_SWITCH_CONFIG_FAILED      : message.switch_config_failed_error_msg
-}
-
-# Map from header type value to the underlieing message class
-msg_type_to_class_map = {
-    ofp.OFPT_HELLO                      : message.hello,
-    ofp.OFPT_ERROR                      : message.error,
-    ofp.OFPT_ECHO_REQUEST               : message.echo_request,
-    ofp.OFPT_ECHO_REPLY                 : message.echo_reply,
-    ofp.OFPT_EXPERIMENTER               : message.experimenter,
-    ofp.OFPT_FEATURES_REQUEST           : message.features_request,
-    ofp.OFPT_FEATURES_REPLY             : message.features_reply,
-    ofp.OFPT_GET_CONFIG_REQUEST         : message.get_config_request,
-    ofp.OFPT_GET_CONFIG_REPLY           : message.get_config_reply,
-    ofp.OFPT_SET_CONFIG                 : message.set_config,
-    ofp.OFPT_PACKET_IN                  : message.packet_in,
-    ofp.OFPT_FLOW_REMOVED               : message.flow_removed,
-    ofp.OFPT_PORT_STATUS                : message.port_status,
-    ofp.OFPT_PACKET_OUT                 : message.packet_out,
-    ofp.OFPT_FLOW_MOD                   : message.flow_mod,
-    ofp.OFPT_GROUP_MOD                  : message.group_mod,
-    ofp.OFPT_PORT_MOD                   : message.port_mod,
-    ofp.OFPT_TABLE_MOD                  : message.table_mod,
-    ofp.OFPT_STATS_REQUEST              : message.stats_request,
-    ofp.OFPT_STATS_REPLY                : message.stats_reply,
-    ofp.OFPT_BARRIER_REQUEST            : message.barrier_request,
-    ofp.OFPT_BARRIER_REPLY              : message.barrier_reply,
-    ofp.OFPT_QUEUE_GET_CONFIG_REQUEST   : message.queue_get_config_request,
-    ofp.OFPT_QUEUE_GET_CONFIG_REPLY     : message.queue_get_config_reply,
-}
-
-def _of_message_to_object(binary_string):
-    """
-    Map a binary string to the corresponding class.
-
-    Appropriately resolves subclasses
-    """
-    hdr = ofp.ofp_header()
-    hdr.unpack(binary_string)
-    # FIXME: Add error detection
-    if not hdr.type in msg_type_subclassed:
-        return msg_type_to_class_map[hdr.type]()
-    if hdr.type == ofp.OFPT_STATS_REQUEST:
-        sub_hdr = ofp.ofp_stats_request()
-        sub_hdr.unpack(binary_string[ofp.OFP_HEADER_BYTES:])
-        try:
-            obj = stats_request_to_class_map[sub_hdr.type]()
-        except LookupError:
-            obj = None
-        return obj
-    elif hdr.type == ofp.OFPT_STATS_REPLY:
-        sub_hdr = ofp.ofp_stats_reply()
-        sub_hdr.unpack(binary_string[ofp.OFP_HEADER_BYTES:])
-        try:
-            obj = stats_reply_to_class_map[sub_hdr.type]()
-        except LookupError:
-            obj = None
-        return obj
-    elif hdr.type == ofp.OFPT_ERROR:
-        sub_hdr = ofp.ofp_error_msg()
-        sub_hdr.unpack(binary_string[ofp.OFP_HEADER_BYTES:])
-        return error_to_class_map[sub_hdr.type]()
-    else:
-        parse_logger.error("Cannot parse pkt to message")
-        return None
-
-def of_message_parse(binary_string, raw=False):
-    """
-    Parse an OpenFlow packet
-
-    Parses a raw OpenFlow packet into a Python class, with class
-    members fully populated.
-
-    @param binary_string The packet (string) to be parsed
-    @param raw If true, interpret the packet as an L2 packet.  Not
-    yet supported.
-    @return An object of some message class or None if fails
-    Note that any data beyond that parsed is not returned
-
-    """
-
-    if raw:
-        parse_logger.error("raw packet message parsing not supported")
-        return None
-
-    obj = _of_message_to_object(binary_string)
-    if obj:
-        obj.unpack(binary_string)
-    return obj
-
-
-def of_header_parse(binary_string, raw=False):
-    """
-    Parse only the header from an OpenFlow packet
-
-    Parses the header from a raw OpenFlow packet into a
-    an ofp_header Python class.
-
-    @param binary_string The packet (string) to be parsed
-    @param raw If true, interpret the packet as an L2 packet.  Not
-    yet supported.
-    @return An ofp_header object
-
-    """
-
-    if raw:
-        parse_logger.error("raw packet message parsing not supported")
-        return None
-
-    hdr = ofp.ofp_header()
-    hdr.unpack(binary_string)
-
-    return hdr
-
-map_wc_field_to_match_member = {
-    'OFPFW_DL_VLAN'                 : 'dl_vlan',
-    'OFPFW_DL_SRC'                  : 'dl_src',
-    'OFPFW_DL_DST'                  : 'dl_dst',
-    'OFPFW_DL_TYPE'                 : 'dl_type',
-    'OFPFW_NW_PROTO'                : 'nw_proto',
-    'OFPFW_TP_SRC'                  : 'tp_src',
-    'OFPFW_TP_DST'                  : 'tp_dst',
-    'OFPFW_NW_SRC_SHIFT'            : 'nw_src_shift',
-    'OFPFW_NW_SRC_BITS'             : 'nw_src_bits',
-    'OFPFW_NW_SRC_MASK'             : 'nw_src_mask',
-    'OFPFW_NW_SRC_ALL'              : 'nw_src_all',
-    'OFPFW_NW_DST_SHIFT'            : 'nw_dst_shift',
-    'OFPFW_NW_DST_BITS'             : 'nw_dst_bits',
-    'OFPFW_NW_DST_MASK'             : 'nw_dst_mask',
-    'OFPFW_NW_DST_ALL'              : 'nw_dst_all',
-    'OFPFW_DL_VLAN_PCP'             : 'dl_vlan_pcp',
-    'OFPFW_NW_TOS'                  : 'nw_tos'
-}
-
-
-def parse_mac(mac_str):
-    """
-    Parse a MAC address
-
-    Parse a MAC address ':' separated string of hex digits to an
-    array of integer values.  '00:d0:05:5d:24:00' => [0, 208, 5, 93, 36, 0]
-    @param mac_str The string to convert
-    @return Array of 6 integer values
-    """
-    return map(lambda val:eval("0x" + val), mac_str.split(":"))
-
-def parse_ip(ip_str):
-    """
-    Parse an IP address
-
-    Parse an IP address '.' separated string of decimal digits to an
-    host ordered integer.  '172.24.74.77' => 
-    @param ip_str The string to convert
-    @return Integer value
-    """
-    array = map(lambda val:eval(val),ip_str.split("."))
-    val = 0
-    for a in array:
-        val <<= 8
-        val += a
-    return val
-
-def packet_to_flow_match(packet):
-    """
-    Create a flow match that matches packet with the given wildcards
-
-    @param packet The packet to use as a flow template
-    @param pkt_format Currently only L2 is supported.  Will indicate the 
-    overall packet type for parsing
-    @return An ofp_match object if successful.  None if format is not
-    recognized.  The wildcards of the match will be cleared for the
-    values extracted from the packet.
-
-    @todo check min length of packet
-    @todo Check if packet is other than L2 format
-    @todo implement other fields covered by OpenFlow 1.2 
-    """
-    match_ls = match_list()
-    
-    if Ether in packet:
-        ether = packet[Ether]
-        eth_type = match.eth_type(ether.type)
-        eth_dst = match.eth_dst(parse_mac(ether.dst))
-        eth_src = match.eth_src(parse_mac(ether.src))
-        match_ls.add(eth_type)
-        match_ls.add(eth_dst)
-        match_ls.add(eth_src)
-    else:
-        return match_ls
-
-    if Dot1Q in packet:
-        #TODO: nicer way to get last vlan tag?
-        vlan = packet[Dot1Q:0]
-        vlan_vid = match.vlan_vid(vlan.vlan)
-        vlan_pcp = match.vlan_pcp(vlan.prio)
-        match_ls.add(vlan_vid)
-        match_ls.add(vlan_pcp)
-        vlan_pl = vlan.payload
-        while vlan_pl is not None and vlan_pl.name == Dot1Q.name:
-            vlan = vlan_pl
-            vlan_pl = vlan.payload
-        #We need to overwrite the already
-        # inserted eth_type    
-        eth_index = match.tlvs.index()
-        eth_type = match.eth_type(vlan.type)
-        match_ls.tlvs.insert(vlan.type,eth_index)
-    #TODO ARP
-
-    if MPLS in packet:
-        mpls = packet[MPLS:0]
-        mpls_label = match.mpls_label(mpls.label)
-        mpls_tc =  match.mpls_tc(mpls.cos)
-        match_ls.add(mpls_label)
-        match_ls.add(mpls_tc)
-        return match_ls
-
-    if IP in packet:
-        ip = packet[IP]
-        ipv4_src = match.ipv4_src(parse_ip(ip.src))
-        ipv4_dst = match.ipv4_dst(parse_ip(ip.dst))
-        ip_dscp =  match.ip_dscp(ip.tos >> 2) 
-        ip_ecn =   match.ip_ecn(ip.tos & 0x03)
-        match_ls.add(ipv4_src)
-        match_ls.add(ipv4_dst)
-        match_ls.add(ip_dscp)
-        match_ls.add(ip_ecn)
-    else:
-        return match_ls
-    
-    if TCP in packet:
-        tcp = packet[TCP]
-        ip_proto = match.ip_proto(6)
-        tcp_src = match.tcp_src(tcp.sport)
-        tcp_dst = match.tcp_dst(tcp.dport)
-        match_ls.add(ip_proto)
-        match_ls.add(tcp_src)
-        match_ls.add(tcp_dst)
-        return match_ls
-
-    if UDP in packet:
-        udp = packet[UDP]
-        ip_proto = match.ip_proto(17)
-        udp_src = match.tcp_src(udp.sport)
-        udp_dst = match.tcp_dst(udp.dport)
-        match_ls.add(ip_proto)
-        match_ls.add(udp_src)
-        match_ls.add(udp_dst)        
-        return match_ls
-
-    if ICMP in packet:
-        icmp = packet[ICMP]
-        ip_proto = match.ip_proto(1)
-        icmp_type = match.icmp_type(icmp.type)
-        icmp_code = match.icmp_code(icmp.code)
-        match_ls.add(icmp_type)
-        match_ls.add(icmp_code)        
-        return match_ls
-
-    return match_ls