Python ExtCommunity.parse方法代码示例

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_invalid_length(self):
     # invalid length
     self.assertRaises(excep.UpdateMessageError, ExtCommunity.parse,
                       b'\x00\x00\x02\x00\x64\x00\x00\x00\x0c')
     try:
         ExtCommunity.parse(value=b'\x00\x00\x02\x00\x64\x00\x00\x00\x0c')
     except excep.UpdateMessageError as e:
         self.assertEqual(bgp_cons.ERR_MSG_UPDATE_ATTR_LEN, e.sub_error)

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_construct_flowspec_redirect_vrf(self):
     community_list = [[bgp_cons.BGP_EXT_REDIRECT_VRF, '4837:100']]
     self.assertEqual(b'\xc0\x10\x08\x80\x08\x12\xe5\x00\x00\x00d', ExtCommunity.construct(value=community_list))
     community_hex = b'\x80\x08\x12\xe5\x00\x00\x00d'
     self.assertEqual(community_list, ExtCommunity.parse(value=community_hex))

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_unknow(self):
     # unknow
     hex_tmp = b'\x09\x03\x00\x01\x00\x01\x00\x0c'
     ext_community = ExtCommunity.parse(value=hex_tmp)
     self.assertEqual(bgp_cons.BGP_EXT_COM_UNKNOW, ext_community[0][0])

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_ro1(self):
     # Route Origin,Format IPv4 address(4bytes):AN(2bytes)
     ext_community = ExtCommunity.parse(value=b'\x01\x03\x0a\x0a\x0a\x0a\x00\x0c')
     self.assertEqual([[bgp_cons.BGP_EXT_COM_RO_1, '10.10.10.10:12']], ext_community)

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_ro2(self):
     # Route Origin,Format AS(4bytes):AN(2bytes)
     ext_community = ExtCommunity.parse(value=b'\x02\x03\x00\x01\x00\x01\x00\x0c')
     self.assertEqual([[bgp_cons.BGP_EXT_COM_RO_2, '65537:12']], ext_community)

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_construct_tarffic_rate(self):
     community_list = [[bgp_cons.BGP_EXT_TRA_RATE, "100:6250000"]]
     self.assertEqual(b'\xc0\x10\x08\x80\x06\x00dJ\xbe\xbc ', ExtCommunity.construct(value=community_list))
     self.assertEqual([[bgp_cons.BGP_EXT_TRA_RATE, "100:6250000"]],
                      ExtCommunity.parse(value=b'\x80\x06\x00dJ\xbe\xbc '))

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_ro0(self):
     # Route Origin,Format AS(2bytes):AN(4bytes)
     ext_community = ExtCommunity.parse(value=b'\x00\x03\x00\x64\x00\x00\x00\x0c')
     self.assertEqual([[bgp_cons.BGP_EXT_COM_RO_0, '100:12']], ext_community)

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
    def parse_attributes(data, asn4=False):
        """
        Parses an RFC4271 encoded blob of BGP attributes into a list

        :param data:
        :param asn4: support 4 bytes asn or not
        :return:
        """
        attributes = {}
        postfix = data
        while len(postfix) > 0:

            try:
                flags, type_code = struct.unpack('!BB', postfix[:2])

                if flags & AttributeFlag.EXTENDED_LENGTH:
                    attr_len = struct.unpack('!H', postfix[2:4])[0]
                    attr_value = postfix[4:4 + attr_len]
                    postfix = postfix[4 + attr_len:]    # Next attribute
                else:    # standard 1-octet length
                    if isinstance(postfix[2], int):
                        attr_len = postfix[2]
                    else:
                        attr_len = ord(postfix[2])
                    attr_value = postfix[3:3 + attr_len]
                    postfix = postfix[3 + attr_len:]    # Next attribute
            except Exception as e:
                LOG.error(e)
                error_str = traceback.format_exc()
                LOG.debug(error_str)
                raise excep.UpdateMessageError(
                    sub_error=bgp_cons.ERR_MSG_UPDATE_MALFORMED_ATTR_LIST,
                    data='')

            if type_code == bgp_cons.BGPTYPE_ORIGIN:

                decode_value = Origin.parse(value=attr_value)

            elif type_code == bgp_cons.BGPTYPE_AS_PATH:

                decode_value = ASPath.parse(value=attr_value, asn4=asn4)

            elif type_code == bgp_cons.BGPTYPE_NEXT_HOP:

                decode_value = NextHop.parse(value=attr_value)

            elif type_code == bgp_cons.BGPTYPE_MULTI_EXIT_DISC:

                decode_value = MED.parse(value=attr_value)

            elif type_code == bgp_cons.BGPTYPE_LOCAL_PREF:

                decode_value = LocalPreference.parse(value=attr_value)

            elif type_code == bgp_cons.BGPTYPE_ATOMIC_AGGREGATE:

                decode_value = AtomicAggregate.parse(value=attr_value)

            elif type_code == bgp_cons.BGPTYPE_AGGREGATOR:

                decode_value = Aggregator.parse(value=attr_value, asn4=asn4)

            elif type_code == bgp_cons.BGPTYPE_COMMUNITIES:

                decode_value = Community.parse(value=attr_value)

            elif type_code == bgp_cons.BGPTYPE_ORIGINATOR_ID:

                decode_value = OriginatorID.parse(value=attr_value)

            elif type_code == bgp_cons.BGPTYPE_CLUSTER_LIST:

                decode_value = ClusterList.parse(value=attr_value)

            elif type_code == bgp_cons.BGPTYPE_NEW_AS_PATH:

                decode_value = ASPath.parse(value=attr_value, asn4=True)

            elif type_code == bgp_cons.BGPTYPE_NEW_AGGREGATOR:

                decode_value = Aggregator.parse(value=attr_value, asn4=True)

            elif type_code == bgp_cons.BGPTYPE_MP_REACH_NLRI:
                decode_value = MpReachNLRI.parse(value=attr_value)

            elif type_code == bgp_cons.BGPTYPE_MP_UNREACH_NLRI:
                decode_value = MpUnReachNLRI.parse(value=attr_value)

            elif type_code == bgp_cons.BGPTYPE_EXTENDED_COMMUNITY:
                decode_value = ExtCommunity.parse(value=attr_value)
            elif type_code == bgp_cons.BGPTYPE_PMSI_TUNNEL:
                decode_value = PMSITunnel.parse(value=attr_value)
            else:
                decode_value = repr(attr_value)
            attributes[type_code] = decode_value

        return attributes

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_construct_flowspec_redirect_nh(self):
     community_list = [[bgp_cons.BGP_EXT_REDIRECT_NH, '0.0.0.0', 0]]
     self.assertEqual(b'\xc0\x10\x08\x08\x00\x00\x00\x00\x00\x00\x00', ExtCommunity.construct(value=community_list))
     self.assertEqual([[bgp_cons.BGP_EXT_REDIRECT_NH, '0.0.0.0', 0]],
                      ExtCommunity.parse(value=b'\x08\x00\x00\x00\x00\x00\x00\x00'))

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_construct_mac_mobil(self):
     community_list = [[bgp_cons.BGP_EXT_COM_EVPN_MAC_MOBIL, 1, 500]]
     community_hex = b'\x06\x00\x01\x00\x00\x00\x01\xf4'
     self.assertEqual(community_hex, ExtCommunity.construct(community_list)[3:])
     self.assertEqual(community_list, ExtCommunity.parse(community_hex))

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_construct_evpn_route_mac(self):
     comunity_list = [[1539, '74-A0-2F-DE-FE-FB']]
     community_hex = b'\x06\x03\x74\xa0\x2f\xde\xfe\xfb'
     self.assertEqual(comunity_list, ExtCommunity.parse(community_hex))
     self.assertEqual(community_hex, ExtCommunity.construct(comunity_list)[3:])

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_construct_els_label(self):
     community_list = [[bgp_cons.BGP_EXT_COM_EVPN_ESI_MPLS_LABEL, 1, 20]]
     community_hex = b'\x06\x01\x01\x00\x00\x00\x01\x41'
     self.assertEqual(community_hex, ExtCommunity.construct(community_list)[3:])
     self.assertEqual(community_list, ExtCommunity.parse(community_hex))

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_construct_es_import(self):
     community_list = [[bgp_cons.BGP_EXT_COM_EVPN_ES_IMPORT, '00-11-22-33-44-55']]
     community_hex = b'\x06\x02\x00\x11\x22\x33\x44\x55'
     self.assertEqual(community_list, ExtCommunity.parse(community_hex))
     self.assertEqual(community_hex, ExtCommunity.construct(community_list)[3:])

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_construct_transitive_opaque_encap(self):
     community_list = [[bgp_cons.BGP_EXT_COM_ENCAP, 8]]
     community_hex = b'\x03\x0c\x00\x00\x00\x00\x00\x08'
     self.assertEqual(community_list, ExtCommunity.parse(community_hex))
     self.assertEqual(community_hex, ExtCommunity.construct(community_list)[3:])

# 需要导入模块: from yabgp.message.attribute.extcommunity import ExtCommunity [as 别名]
# 或者: from yabgp.message.attribute.extcommunity.ExtCommunity import parse [as 别名]
 def test_parse_rt2(self):
     # Route Target,Format AS(4bytes):AN(2bytes)
     ext_community = ExtCommunity.parse(value=b'\x02\x02\x00\x01\x00\x01\x00\x0c')
     self.assertEqual([(bgp_cons.BGP_EXT_COM_RT_2, '65537:12')], ext_community)