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Zsolt Haraszti80175202016-12-24 00:17:51 -08001#
2# Copyright 2016 the original author or authors.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8# http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16
Zsolt Harasztia133a452016-12-22 01:26:57 -080017import sys
Zsolt Haraszti80175202016-12-24 00:17:51 -080018
Zsolt Harasztid036b7e2016-12-23 15:36:01 -080019from google.protobuf.json_format import MessageToDict
Zsolt Harasztia133a452016-12-22 01:26:57 -080020from termcolor import cprint, colored
Zsolt Haraszti80175202016-12-24 00:17:51 -080021
22from cli.table import TablePrinter
23
24
25_printfn = lambda l: sys.stdout.write(l + '\n')
Zsolt Harasztia133a452016-12-22 01:26:57 -080026
27
Zsolt Harasztid036b7e2016-12-23 15:36:01 -080028def pb2dict(pb_msg):
29 d = MessageToDict(pb_msg, including_default_value_fields=1,
30 preserving_proto_field_name=1)
31 return d
32
33
Zsolt Harasztia133a452016-12-22 01:26:57 -080034def p_cookie(cookie):
35 cookie = str(cookie)
36 if len(cookie) > 8:
37 return cookie[:6] + '...'
38 else:
39 return cookie
40
41'''
42 OFPP_NORMAL = 0x7ffffffa; /* Forward using non-OpenFlow pipeline. */
43 OFPP_FLOOD = 0x7ffffffb; /* Flood using non-OpenFlow pipeline. */
44 OFPP_ALL = 0x7ffffffc; /* All standard ports except input port. */
45 OFPP_CONTROLLER = 0x7ffffffd; /* Send to controller. */
46 OFPP_LOCAL = 0x7ffffffe; /* Local openflow "port". */
47 OFPP_ANY = 0x7fffffff; /* Special value used in some requests when
48'''
49
50
51def p_port(port):
52 if port & 0x7fffffff == 0x7ffffffa:
53 return 'NORMAL'
54 elif port & 0x7fffffff == 0x7ffffffb:
55 return 'FLOOD'
56 elif port & 0x7fffffff == 0x7ffffffc:
57 return 'ALL'
58 elif port & 0x7fffffff == 0x7ffffffd:
59 return 'CONTROLLER'
60 elif port & 0x7fffffff == 0x7ffffffe:
61 return 'LOCAL'
62 elif port & 0x7fffffff == 0x7fffffff:
63 return 'ANY'
64 else:
65 return str(port)
66
67
68def p_vlan_vid(vlan_vid):
69 if vlan_vid == 0:
70 return 'untagged'
71 assert vlan_vid & 4096 == 4096
72 return str(vlan_vid - 4096)
73
74
75def p_ipv4(x):
76 return '.'.join(str(v) for v in [
77 (x >> 24) & 0xff, (x >> 16) & 0xff, (x >> 8) & 0xff, x & 0xff
78 ])
79
80
81field_printers = {
82 'IN_PORT': lambda f: (100, 'in_port', p_port(f['port'])),
83 'VLAN_VID': lambda f: (101, 'vlan_vid', p_vlan_vid(f['vlan_vid'])),
84 'VLAN_PCP': lambda f: (102, 'vlan_pcp', str(f['vlan_pcp'])),
85 'ETH_TYPE': lambda f: (103, 'eth_type', '%X' % f['eth_type']),
Zsolt Haraszti85f12852016-12-24 08:30:58 -080086 'IP_PROTO': lambda f: (104, 'ip_proto', str(f['ip_proto'])),
87 'IPV4_DST': lambda f: (105, 'ipv4_dst', p_ipv4(f['ipv4_dst'])),
88 'UDP_SRC': lambda f: (106, 'udp_src', str(f['udp_src'])),
89 'UDP_DST': lambda f: (107, 'udp_dst', str(f['udp_dst'])),
90 'TCP_SRC': lambda f: (108, 'tcp_src', str(f['tcp_src'])),
91 'TCP_DST': lambda f: (109, 'tcp_dst', str(f['tcp_dst'])),
Zsolt Harasztia133a452016-12-22 01:26:57 -080092}
93
94
95def p_field(field):
96 assert field['oxm_class'].endswith('OPENFLOW_BASIC')
97 ofb = field['ofb_field']
98 assert not ofb['has_mask']
99 type = ofb['type'][len('OFPXMT_OFB_'):]
100 weight, field_name, value = field_printers[type](ofb)
101 return 1000 + weight, 'set_' + field_name, value
102
103
104action_printers = {
105 'SET_FIELD': lambda a: p_field(a['set_field']['field']),
106 'POP_VLAN': lambda a: (2000, 'pop_vlan', 'Yes'),
107 'PUSH_VLAN': lambda a: (2001, 'push_vlan', '%x' % a['push']['ethertype']),
108 'GROUP': lambda a: (3000, 'group', p_port(a['group']['group_id'])),
109 'OUTPUT': lambda a: (4000, 'output', p_port(a['output']['port'])),
110}
111
112
Zsolt Haraszti80175202016-12-24 00:17:51 -0800113def print_flows(what, id, type, flows, groups, printfn=_printfn):
Zsolt Harasztia133a452016-12-22 01:26:57 -0800114
Zsolt Haraszti80175202016-12-24 00:17:51 -0800115 header = ''.join([
Zsolt Harasztia133a452016-12-22 01:26:57 -0800116 '{} '.format(what),
117 colored(id, color='green', attrs=['bold']),
118 ' (type: ',
119 colored(type, color='blue'),
120 ')'
Zsolt Haraszti80175202016-12-24 00:17:51 -0800121 ]) + '\nFlows ({}):'.format(len(flows))
Zsolt Harasztia133a452016-12-22 01:26:57 -0800122
Zsolt Haraszti80175202016-12-24 00:17:51 -0800123 table = TablePrinter()
Zsolt Harasztia133a452016-12-22 01:26:57 -0800124 for i, flow in enumerate(flows):
125
Zsolt Haraszti80175202016-12-24 00:17:51 -0800126 table.add_cell(i, 0, 'table_id', value=str(flow['table_id']))
127 table.add_cell(i, 1, 'priority', value=str(flow['priority']))
128 table.add_cell(i, 2, 'cookie', p_cookie(flow['cookie']))
Zsolt Harasztia133a452016-12-22 01:26:57 -0800129
130 assert flow['match']['type'] == 'OFPMT_OXM'
131 for field in flow['match']['oxm_fields']:
132 assert field['oxm_class'].endswith('OPENFLOW_BASIC')
133 ofb = field['ofb_field']
134 assert not ofb['has_mask'], 'masked match not handled yet' # TODO
135 type = ofb['type'][len('OFPXMT_OFB_'):]
Zsolt Haraszti80175202016-12-24 00:17:51 -0800136 table.add_cell(i, *field_printers[type](ofb))
Zsolt Harasztia133a452016-12-22 01:26:57 -0800137
138 for instruction in flow['instructions']:
139 if instruction['type'] == 4:
140 for action in instruction['actions']['actions']:
141 type = action['type'][len('OFPAT_'):]
Zsolt Haraszti80175202016-12-24 00:17:51 -0800142 table.add_cell(i, *action_printers[type](action))
Zsolt Harasztia133a452016-12-22 01:26:57 -0800143
Zsolt Haraszti80175202016-12-24 00:17:51 -0800144 table.print_table(header, printfn)
Zsolt Harasztia133a452016-12-22 01:26:57 -0800145
146 # TODO groups TBF
147 assert len(groups) == 0
148
149
Zsolt Haraszti80175202016-12-24 00:17:51 -0800150def dict2line(d):
151 assert isinstance(d, dict)
152 return ', '.join('{}: {}'.format(k, v) for k, v in sorted(d.items()))