| |
| # 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): |
| 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 = ( |
| 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) |
| |