blob: d67a16cf28425602d303981704d20d59505f724a [file] [log] [blame]
# Python OpenFlow action wrapper classes
from cstruct import *
from match import roundup
from match_list import match_list
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_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_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_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_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
def __len__(self):
return roundup(4 + 4,8)
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_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_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_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):
ofp_action_set_field.__init__(self)
self.type = OFPAT_SET_FIELD
self.len = self.__len__()
self.field = match_list()
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 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_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_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_field,
action_set_mpls_ttl,
action_set_nw_ttl,
action_set_queue)