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
|
# Copyright (C) 2016 Rackspace US, Inc.
#
# 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 base64
import logging
from os_ken.ofproto import nicira_ext
LOG = logging.getLogger(__name__)
def action_to_str(act, ofctl_action_to_str):
sub_type = act.subtype
if sub_type == nicira_ext.NXAST_RESUBMIT:
return 'NX_RESUBMIT: {port: %s, table: %s}' % (act.in_port,
act.table_id)
elif sub_type == nicira_ext.NXAST_REG_MOVE:
src_start = act.src_ofs
dst_start = act.dst_ofs
src_end = src_start + act.n_bits
dst_end = dst_start + act.n_bits
return 'NX_MOVE: {%s[%s..%s]: %s[%s..%s]}' % (act.dst_field, dst_start,
dst_end, act.src_field,
src_start, src_end)
elif sub_type == nicira_ext.NXAST_REG_LOAD:
return 'NX_LOAD: {%s%s: %x}' % (act.dst, nicira_ext.ofs_nbits_str(act.ofs_nbits), act.value)
elif sub_type == nicira_ext.NXAST_LEARN:
specs = []
add_spec = specs.append
for spec in act.specs:
dst_type = spec._dst_type
if dst_type == 0: # match
if isinstance(spec.src, (tuple, list)):
src = spec.src[0]
start = spec.src[1]
end = start + spec.n_bits
start_end = '%s..%s' % (start, end)
else:
src = spec.src
start_end = '[]'
add_spec('%s[%s]' % (src, start_end))
elif dst_type == 1: # load
if isinstance(spec.src, (tuple, list)):
src = spec.src[0]
start = spec.src[1]
end = start + spec.n_bits
src_start_end = '[%s..%s]' % (start, end)
else:
src = spec.src
src_start_end = '[]'
if isinstance(spec.dst, (tuple, list)):
dst = spec.dst[0]
start = spec.dst[1]
end = start + spec.n_bits
dst_start_end = '[%s..%s]' % (start, end)
else:
dst = spec.dst
dst_start_end = '[]'
add_spec('NX_LOAD {%s%s: %s%s}' % (dst, dst_start_end,
src, src_start_end))
elif dst_type == 2: # output
if isinstance(spec.src, (tuple, list)):
src = spec.src[0]
start = spec.src[1]
end = start + spec.n_bits
start_end = '%s..%s' % (start, end)
else:
src = spec.src
start_end = '[]'
add_spec('output:%s%s' % (src, start_end))
return ('NX_LEARN: {idle_timeout: %s, '
'hard_timeouts: %s, '
'priority: %s, '
'cookie: %s, '
'flags: %s, '
'table_id: %s, '
'fin_idle_timeout: %s, '
'fin_hard_timeout: %s, '
'specs: %s}' %
(act.idle_timeout,
act.hard_timeout,
act.priority,
act.cookie,
act.flags,
act.table_id,
act.fin_idle_timeout,
act.self.fin_hard_timeout,
specs))
elif sub_type == nicira_ext.NXAST_CONJUNCTION:
return ('NX_CONJUNCTION: {clause: %s, number_of_clauses: %s, id: %s}' %
(act.clause, act.n_clauses, act.id))
elif sub_type == nicira_ext.NXAST_CT:
if act.zone_ofs_nbits != 0:
start = act.zone_ofs_nbits
end = start + 16
zone = act.zone_src + ('[%s..%s]' % (start, end))
else:
zone = act.zone_src
actions = [ofctl_action_to_str(action) for action in act.actions]
return ('NX_CT: {flags: %s, '
'zone: %s, '
'table: %s, '
'alg: %s, '
'actions: %s}' % (act.flags, zone, act.recirc_table, act.alg,
actions))
elif sub_type == nicira_ext.NXAST_NAT:
return ('NX_NAT: {flags: %s, '
'range_ipv4_min: %s, '
'range_ipv4_max: %s, '
'range_ipv6_min: %s, '
'range_ipv6_max: %s, '
'range_proto_min: %s, '
'range_proto_max: %s}' % (act.flags,
act.range_ipv4_min,
act.range_ipv4_max,
act.range_ipv6_min,
act.range_ipv6_max,
act.range_proto_min,
act.range_proto_max))
data_str = base64.b64encode(act.data)
return 'NX_UNKNOWN: {subtype: %s, data: %s}' % (sub_type,
data_str.decode('utf-8'))
|
