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
|
# Copyright 2018 Vinci Consulting Corp. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import shlex
import unittest
class VppConfig(object):
stanzas = ['unix', 'api-trace', 'api-segment',
'socksvr', 'cpu', 'statseg', 'dpdk', 'plugins', 'tuntap',
'punt']
kw = {'unix': ['interactive', 'nodaemon', 'log', 'full-coredump',
'coredump-size', 'cli-listen', 'runtime-dir', 'gid'],
'acl-plugin': ['connection hash buckets', 'connection hash memory',
'connection count max', 'main heap size',
'hash lookup heap size', 'hash lookup hash buckets',
'hash lookup hash memory', 'use tuple merge',
'tuple merge split threshold', 'reclassify sessions'],
'api-queue': ['len', 'length'],
'api-trace': ['on', 'enable, ''nitems', 'save-api-table'],
'api-segment': ['prefix', 'gid'],
'cj': ['on', 'records'],
'cpu': ['main-core', 'corelist-workers', 'skip-cores',
'workers', 'scheduler-policy', 'scheduler-priority'],
'dns': ['max-cache-size', 'max-ttl'],
'dpdk': ['dev', 'vdev', 'name', 'hqos', 'rss',
'no-multi-seg',
'num-mbufs', 'num-rx-queues', 'num-tx-queues',
'num-rx-desc', 'num-tx-desc',
'socket-mem', 'no-tx-checksum-offload', 'uio-driver',
'vlan-strip-offload', 'workers'],
# currently don't support dynamic keys
# 'heapsize': [],
'l2learn': ['limit'],
'l2tp': ['lookup-v6-src', 'lookup-v6-dst',
'lookup-session-id'],
'nat': ['connection tracking', 'deterministic', 'dslite ce',
'endpoint-dependent', 'inside VRF id',
'max translations per user',
'nat64 bib hash bucket', 'nat64 bib hash memory',
'nat64 st hash buckets',
'outside ip6 VRF id', 'outside VRF id', 'out2in dpo'
'static mapping only',
'translation hash buckets',
'translation hash memory',
'user hash buckets', 'user hash memory',
],
'mactime': ['lookup-table-buckets', 'lookup-table-memory',
'timezone_offset'],
'mc': ['interface', 'no-delay', 'no-validate', 'max-delay',
'min-delay', 'n-bytes', 'n-packets',
'max-n-bytes',
'min-n-bytes',
'seed', 'window', 'verbose', ],
'oam': ['interval', 'misses-allowed'],
'plugins': ['path', 'plugin'],
'punt': ['socket'],
'session': ['event-queue-length', 'preallocated-sessions',
'v4-session-table-buckets', 'v4-halfopen-table-buckets',
'v6-session-table-buckets', 'v6-halfopen-table-buckets',
'v6-halfopen-table-buckets'
],
'socksvr': ['default', 'socket-name'],
'statseg': ['socket-name'],
'tapcli': ['disable', 'mtu'],
'tcp': ['buffer-fail-fraction', 'cc-algo', 'max-rx-fifo',
'no-tx-pacing', 'preallocated-connections',
'preallocated-half-open-connections',
],
'tuntap': ['name', 'mtu', 'enable', 'disable',
'ether', 'ethernet',
'have-normal', 'have-normal-interface'
],
'vhost-user': ['coalesce-frames', 'coalesce-time',
'dont-dump-memory']
}
default_values = {'unix': {'interactive': None,
}
}
def __init__(self):
self.values = type(self).default_values
self.plugins = []
def add(self, stanza, key, val):
if stanza not in type(self).stanzas:
raise ValueError("stanza '%s' must be in %s" %
(stanza, type(self).stanzas))
if key not in type(self).kw[stanza]:
raise ValueError("key '%s' must be in %s" %
(key, type(self).kw[stanza]))
self.values[stanza][key] = val
def add_plugin(self, key, val):
self.plugins.append((key, val,))
def __str__(self):
result = ''
for stanza in type(self).stanzas:
try:
if self.values[stanza]:
result = '%s\n%s {' % (result, stanza)
for key in type(self).kw[stanza]:
try:
if key in self.values[stanza]:
result = '%s\n %s %s' % (
result, key,
self.values[stanza][key]
if self.values[stanza][key] is not
None else '')
except KeyError:
# no key: nothing to do
pass
if stanza == 'plugins' and key == 'plugin':
for plugin, val in self.plugins:
result = '%s\n plugin %s { % s }' % (
result, plugin,
val if val is not None else '')
result = '%s\n}\n' % result
except KeyError:
# no stanza not in self.values: nothing to do
pass
return result
def shlex(self):
return shlex.split(str(self))
class MinimalVppConfig(VppConfig):
default_values = {'unix': {'interactive': None,
'cli-listen': 'run/vpp/cli.sock',
'gid': 1000
}
}
class VppTestCaseVppConfig(VppConfig):
default_values = {'unix': {'nodaemon': None,
'full-coredump': None,
},
'acl-plugin': {},
'api-queue': {},
'api-trace': {'on': None},
'api-segment': {},
'cj': {},
'cpu': {},
'dns': {},
'dpdk': {},
# currently don't support dynamic keys
# 'heapsize': {},
'l2learn': {},
'l2tp': {},
'mactime': {},
'mc': {},
'nat': {},
'oam': {},
'plugins': {},
'punt': {},
'session': {},
'socksvr': {'default': None},
'statseg': {},
'tapcli': {},
'tcp': {},
'tuntap': {},
'vhost-user': {},
}
class TestVppConfig(unittest.TestCase):
def setUp(self):
self.config = VppTestCaseVppConfig()
def test_unix(self):
size = None
tempdir = '/tmp'
# reset default values for this test.
self.config.default_values['unix'] = {}
self.config.add('unix', 'coredump-size', size
if size is not None else 'unlimited')
self.assertIn('unix {\n coredump-size unlimited\n}\n',
str(self.config))
self.config.add('unix', 'runtime-dir', tempdir)
self.assertIn('runtime-dir /tmp', str(self.config))
def test_api_segment(self):
shm_prefix = '/dev/shm'
self.config.add('api-segment', 'prefix', shm_prefix)
self.assertIn('api-segment {\n prefix /dev/shm\n}\n',
str(self.config))
def test_cpu(self):
luc = 0
self.config.add('cpu', 'main-core', str(luc))
self.assertIn('cpu {\n main-core 0\n}\n', str(self.config))
def test_statseg(self):
stats_sock = '/stats.sock'
self.config.add('statseg', 'socket-name', stats_sock)
self.assertIn('statseg {\n socket-name /stats.sock\n}\n',
str(self.config))
def test_plugin(self):
plugin_path = '/foo'
self.config.add('plugins', 'path', plugin_path)
self.assertIn('plugins {\n path /foo\n}\n',
str(self.config))
self.config.add_plugin('dpdk_plugin.so', 'disable')
self.config.add_plugin('unittest_plugin.so', 'enable')
self.assertIn('plugin dpdk_plugin.so { disable }\n',
str(self.config))
self.assertIn('plugin unittest_plugin.so { enable }\n',
str(self.config))
if __name__ == '__main__':
unittest.main()
|
