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
|
"""
IP Types
"""
import logging
from ipaddress import ip_address
from socket import AF_INET, AF_INET6
from vpp_papi import VppEnum
from vpp_object import VppObject
try:
text_type = unicode
except NameError:
text_type = str
_log = logging.getLogger(__name__)
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
def get_dpo_proto(addr):
if ip_address(addr).version == 6:
return DpoProto.DPO_PROTO_IP6
else:
return DpoProto.DPO_PROTO_IP4
class VppIpAddressUnion():
def __init__(self, addr):
self.addr = addr
self.ip_addr = ip_address(text_type(self.addr))
def encode(self):
if self.version == 6:
return {'ip6': self.ip_addr}
else:
return {'ip4': self.ip_addr}
@property
def version(self):
return self.ip_addr.version
@property
def address(self):
return self.addr
@property
def length(self):
return self.ip_addr.max_prefixlen
@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 == self.version:
return self.ip_addr == other.ip4
else:
return self.ip_addr == other.ip6
else:
raise Exception("Comparing VppIpAddressUnions:%s"
" with incomparable type: %s",
self, other)
def __ne__(self, other):
return not (self == other)
def __str__(self):
return str(self.ip_addr)
class VppIpMPrefix():
def __init__(self, saddr, gaddr, glen):
self.saddr = saddr
self.gaddr = gaddr
self.glen = glen
if ip_address(self.saddr).version != \
ip_address(self.gaddr).version:
raise ValueError('Source and group addresses must be of the '
'same address family.')
def encode(self):
return {
'af': ip_address(self.gaddr).vapi_af,
'grp_address': {
ip_address(self.gaddr).vapi_af_name: self.gaddr
},
'src_address': {
ip_address(self.saddr).vapi_af_name: self.saddr
},
'grp_address_length': self.glen,
}
@property
def length(self):
return self.glen
@property
def version(self):
return ip_address(self.gaddr).version
def __str__(self):
return "(%s,%s)/%d" % (self.saddr, self.gaddr, self.glen)
def __eq__(self, other):
if isinstance(other, self.__class__):
return (self.glen == other.glen and
self.saddr == other.gaddr and
self.saddr == other.saddr)
elif (hasattr(other, "grp_address_length") and
hasattr(other, "grp_address") and
hasattr(other, "src_address")):
# vl_api_mprefix_t
if 4 == self.version:
return (self.glen == other.grp_address_length and
self.gaddr == str(other.grp_address.ip4) and
self.saddr == str(other.src_address.ip4))
else:
return (self.glen == other.grp_address_length and
self.gaddr == str(other.grp_address.ip6) and
self.saddr == str(other.src_address.ip6))
return NotImplemented
class VppIpPuntPolicer(VppObject):
def __init__(self, test, policer_index, is_ip6=False):
self._test = test
self._policer_index = policer_index
self._is_ip6 = is_ip6
def add_vpp_config(self):
self._test.vapi.ip_punt_police(policer_index=self._policer_index,
is_ip6=self._is_ip6, is_add=True)
def remove_vpp_config(self):
self._test.vapi.ip_punt_police(policer_index=self._policer_index,
is_ip6=self._is_ip6, is_add=False)
def query_vpp_config(self):
NotImplemented
class VppIpPuntRedirect(VppObject):
def __init__(self, test, rx_index, tx_index, nh_addr):
self._test = test
self._rx_index = rx_index
self._tx_index = tx_index
self._nh_addr = ip_address(nh_addr)
def encode(self):
return {"rx_sw_if_index": self._rx_index,
"tx_sw_if_index": self._tx_index, "nh": self._nh_addr}
def add_vpp_config(self):
self._test.vapi.ip_punt_redirect(punt=self.encode(), is_add=True)
self._test.registry.register(self, self._test.logger)
def remove_vpp_config(self):
self._test.vapi.ip_punt_redirect(punt=self.encode(), is_add=False)
def get_vpp_config(self):
is_ipv6 = True if self._nh_addr.version == 6 else False
return self._test.vapi.ip_punt_redirect_dump(
sw_if_index=self._rx_index, is_ipv6=is_ipv6)
def query_vpp_config(self):
if self.get_vpp_config():
return True
return False
|
