2 # Copyright (c) 2018 Cisco and/or its affiliates.
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at:
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
16 from socket import inet_pton, inet_ntop, AF_INET6, AF_INET
20 # Copies from vl_api_address_t definition
25 # Type conversion for input arguments and return values
29 def format_vl_api_address_t(args):
31 return {'un': {'ip6': inet_pton(AF_INET6, args)},
33 except socket.error as e:
34 return {'un': {'ip4': inet_pton(AF_INET, args)},
38 def format_vl_api_prefix_t(args):
39 p, length = args.split('/')
40 return {'address': format_vl_api_address_t(p),
41 'address_length': int(length)}
44 def format_vl_api_ip6_prefix_t(args):
45 p, length = args.split('/')
46 return {'prefix': inet_pton(AF_INET6, p),
50 def format_vl_api_ip4_prefix_t(args):
51 p, length = args.split('/')
52 return {'prefix': inet_pton(AF_INET, p),
57 'vl_api_ip6_address_t':
59 'IPv6Address': lambda o: o.packed,
60 'str': lambda s: inet_pton(AF_INET6, s)
62 'vl_api_ip4_address_t':
64 'IPv4Address': lambda o: o.packed,
65 'str': lambda s: inet_pton(AF_INET, s)
67 'vl_api_ip6_prefix_t':
69 'IPv6Network': lambda o: {'prefix': o.network_address.packed,
71 'str': lambda s: format_vl_api_ip6_prefix_t(s)
73 'vl_api_ip4_prefix_t':
75 'IPv4Network': lambda o: {'prefix': o.network_address.packed,
77 'str': lambda s: format_vl_api_ip4_prefix_t(s)
81 'IPv4Address': lambda o: {'af': ADDRESS_IP4, 'un': {'ip4': o.packed}},
82 'IPv6Address': lambda o: {'af': ADDRESS_IP6, 'un': {'ip6': o.packed}},
83 'str': lambda s: format_vl_api_address_t(s)
87 'IPv4Network': lambda o: {'prefix':
88 {'af': ADDRESS_IP4, 'un':
89 {'ip4': o.network_address.packed}},
91 'IPv6Network': lambda o: {'prefix':
92 {'af': ADDRESS_IP6, 'un':
93 {'ip6': o.network_address.packed}},
95 'str': lambda s: format_vl_api_prefix_t(s)
100 def unformat_api_address_t(o):
102 return ipaddress.IPv6Address(o.un.ip6)
104 return ipaddress.IPv4Address(o.un.ip4)
107 def unformat_api_prefix_t(o):
108 if isinstance(o.address, ipaddress.IPv4Address):
109 return ipaddress.IPv4Network((o.address, o.address_length), False)
110 if isinstance(o.address, ipaddress.IPv6Address):
111 return ipaddress.IPv6Network((o.address, o.address_length), False)
114 conversion_unpacker_table = {
115 'vl_api_ip6_address_t': lambda o: ipaddress.IPv6Address(o),
116 'vl_api_ip6_prefix_t': lambda o: ipaddress.IPv6Network((o.prefix, o.len)),
117 'vl_api_ip4_address_t': lambda o: ipaddress.IPv4Address(o),
118 'vl_api_ip4_prefix_t': lambda o: ipaddress.IPv4Network((o.prefix, o.len)),
119 'vl_api_address_t': lambda o: unformat_api_address_t(o),
120 'vl_api_prefix_t': lambda o: unformat_api_prefix_t(o),