ryu 下发流表配置

资料链接：http://ryu.readthedocs.io/en/latest/app/ofctl_rest.html
运行ryu进程：
ryu-manager --ofp-tcp-listen-port 6655 --wsapi-port 8080 --verbose /usr/lib/python2.7/site-packages/ryu/app/ofctl_rest.py
 1 #! /bin/python
 2 
 3 import re
 4 import urllib
 5 import urllib2
 6 import json
 7 import requests
 8 import json
 9 import time
10 
11 # get switch dpid
12 post_url = 'http://127.0.0.1:8080/stats/switches';
13 req = urllib2.Request(post_url)
14 response = urllib2.urlopen(req)
15 dpid_data = response.read().strip('[]')
16 
17 # show switch group
18 post_url = 'http://127.0.0.1:8080/stats/groupdesc/%s' % dpid_data;
19 req = urllib2.Request(post_url)
20 response = urllib2.urlopen(req)
21 print response.read()
22 
23 # add switch group
24 post_url = 'http://127.0.0.1:8080/stats/groupentry/add';
25 group_data = {
26     "dpid": dpid_data, 
27     "type": "SELECT",
28     "fields": "ip_src",
29     "group_id": 1, 
30     "buckets": [{
31       "weight": 1,
32       "actions": [{
33            "type": "OUTPUT",
34            "port": 1
35        }]
36      },
37      {
38       "weight": 1,
39       "actions": [{
40            "type": "OUTPUT",
41            "port": 2
42         }]
43      },
44      {
45       "weight": 1,
46       "actions": [{
47            "type": "OUTPUT",
48            "port": 3
49         }]
50      }]
51 }
52 data = json.dumps(group_data)
53 req = urllib2.Request(post_url)
54 response = urllib2.urlopen(req,data=data)
55 print response.read()
56 
57 # show flows
58 post_url = 'http://127.0.0.1:8080/stats/flow/%s' % dpid_data;
59 req = urllib2.Request(post_url)
60 response = urllib2.urlopen(req)
61 print response.read()
62 
63 # add flow
64 post_url = 'http://127.0.0.1:8080/stats/flowentry/add';
65 flows_data = {
66     "dpid": dpid_data,
67     "table_id": 0,
68     "cookie": 10000,
69     "priority": 1000,
70     "match":{
71         "dl_type": "0x8000",
72         "in_port": 5,
73         "dl_vlan": 100,
74         #"dl_vlan": "0x1005"         # Describe sum of VLAN-ID(e.g. 5) | OFPVID_PRESENT(0x1000)
75         "eth_src": "aa:bb:cc:11:22:33",
76         "eth_dst": "aa:bb:cc:11:22:33",
77         "ipv4_dst": "192.168.10.10/255.255.255.0", "eth_type": 2048,
78         "ipv4_src": "192.168.0.1", "eth_type": 2048
79     },
80     "actions":[
81         {
82             "type": "PUSH_VLAN",   
83             "ethertype": 33024      # Ethertype 0x8100(=33024): IEEE 802.1Q VLAN-tagged frame
84         },
85         {
86             "type": "SET_FIELD",
87             "field": "vlan_vid",  
88             "value": 4102           # Describe sum of vlan_id(e.g. 6) | OFPVID_PRESENT(0x1000=4096)
89         },
90         {
91             "type": "OUTPUT",
92             "port": 20
93         }
94     ]
95  }
96 data = json.dumps(flows_data)
97 req = urllib2.Request(post_url)
98 response = urllib2.urlopen(req,data=data)
99 print response.read()
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