1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
"""
IP Types
"""
from ipaddress import ip_address
from socket import AF_INET, AF_INET6
class IpAddressFamily:
ADDRESS_IP4 = 0
ADDRESS_IP6 = 1
class DpoProto:
DPO_PROTO_IP4 = 0
DPO_PROTO_IP6 = 1
DPO_PROTO_MPLS = 2
DPO_PROTO_ETHERNET = 3
DPO_PROTO_BIER = 4
DPO_PROTO_NSH = 5
INVALID_INDEX = 0xffffffff
class VppIpAddressUnion():
def __init__(self, addr):
self.addr = addr
self.ip_addr = ip_address(unicode(self.addr))
def encode(self):
if self.version is 6:
return {
'ip6': {
'address': self.ip_addr.packed
},
}
else:
return {
'ip4': {
'address': self.ip_addr.packed
},
}
@property
def version(self):
return self.ip_addr.version
@property
def address(self):
return self.addr
@property
def length(self):
if self.version is 6:
return 128
else:
return 32
@property
def bytes(self):
return self.ip_addr.packed
def __eq__(self, other):
if isinstance(other, self.__class__):
return self.ip_addr == other.ip_addr
elif hasattr(other, "ip4") and hasattr(other, "ip6"):
# vl_api_address_union_t
if 4 is self.version:
return self.ip_addr.packed == other.ip4.address
else:
return self.ip_addr.packed == other.ip6.address
else:
raise Exception("Comparing VppIpAddresUnions:%s"
" with unknown type: %s" %
(self, other))
return False
class VppIpAddress():
def __init__(self, addr):
self.addr = VppIpAddressUnion(addr)
def encode(self):
if self.addr.version is 6:
return {
'af': IpAddressFamily.ADDRESS_IP6,
'un': self.addr.encode()
}
else:
return {
'af': IpAddressFamily.ADDRESS_IP4,
'un': self.addr.encode()
}
def __eq__(self, other):
if isinstance(other, self.__class__):
return self.addr == other.addr
elif hasattr(other, "af") and hasattr(other, "un"):
# a vp_api_address_t
if 4 is self.version:
return other.af == IpAddressFamily.ADDRESS_IP4 and \
other.un == self.addr
else:
return other.af == IpAddressFamily.ADDRESS_IP6 and \
other.un == self.addr
else:
raise Exception("Comparing VppIpAddress:%s with unknown type: %s" %
(self, other))
return False
def __ne__(self, other):
return not (self == other)
def __str__(self):
return self.address
@property
def bytes(self):
return self.addr.bytes
@property
def address(self):
return self.addr.address
@property
def length(self):
return self.addr.length
@property
def version(self):
return self.addr.version
@property
def is_ip6(self):
return (self.version == 6)
@property
def af(self):
if self.version == 6:
return AF_INET6
else:
return AF_INET
@property
def dpo_proto(self):
if self.version is 6:
return DpoProto.DPO_PROTO_IP6
else:
return DpoProto.DPO_PROTO_IP4
class VppIpPrefix():
def __init__(self, addr, len):
self.addr = VppIpAddress(addr)
self.len = len
def __eq__(self, other):
if self.addr == other.addr and self.len == other.len:
return True
return False
def encode(self):
return {'address': self.addr.encode(),
'address_length': self.len}
@property
def address(self):
return self.addr.address
@property
def length(self):
return self.len
def __str__(self):
return "%s/%d" % (self.address, self.length)
def __eq__(self, other):
if isinstance(other, self.__class__):
return (self.len == other.len and self.addr == other.addr)
elif hasattr(other, "address") and hasattr(other, "address_length"):
# vl_api_prefix_t
return self.len == other.address_length and \
self.addr == other.address
else:
raise Exception("Comparing VppIpPrefix:%s with unknown type: %s" %
(self, other))
return False
class VppIpMPrefix():
def __init__(self, saddr, gaddr, len):
self.saddr = saddr
self.gaddr = gaddr
self.len = len
self.ip_saddr = ip_address(unicode(self.saddr))
self.ip_gaddr = ip_address(unicode(self.gaddr))
def encode(self):
if 6 is self.ip_saddr.version:
prefix = {
'af': IpAddressFamily.ADDRESS_IP6,
'grp_address': {
'ip6': {
'address': self.ip_gaddr.packed
},
},
'src_address': {
'ip6': {
'address': self.ip_saddr.packed
},
},
'grp_address_length': self.len,
}
else:
prefix = {
'af': IpAddressFamily.ADDRESS_IP4,
'grp_address': {
'ip4': {
'address': self.ip_gaddr.packed
},
},
'src_address': {
'ip4': {
'address': self.ip_saddr.packed
},
},
'grp_address_length': self.len,
}
return prefix
|
