1 Server-UDP
2
3 #coding:utf8
4
5 from socket import socket
6
7 import threading
8
9 def response(sock,data,addr):
10
11 node = {'1':1,'2':2,'3':3}
12
13 if node.has_key(data):
14
15 sock.sendto(node[data],addr)
16
17 print 'Sent server to:',addr
18
19 else:
20
21 sock.sendto('Error')
22
23 print 'error code'
24
25 def server():
26
27 server = socket(AF_INET,SOCK_DGRAM)
28
29 address = ('127.0.0.1',8888) #如果挂在服务器上的话，用0.0.0.0
30
31 server.bind(address)
32
33 while 1: #while 1比while True性能好一点
34
35 data,addr = server.recvfrom(4096)
36
37 response = threading.Thread(target=response,args=(server,data,addr))
38
39 response.start()
40
41 if __name__ == '__main__':
42
43 server()
44
45 '''
46
47 这个就不写注释了，UDP不需要建立连接，所以监听什么的都免了，注意与TCP的区别
48
49 '''
50
51 Client-UDP
52
53 #coding:utf8
54
55 from socket import socket
56
57 def client(data):
58
59 addr = ('127.0.0.1',8888)
60
61 client = socket(AF_INET,SOCK_DGRAM)
62
63 try:
64
65 client.connect())
66
67 except Exception as e:
68
69 print 'Connect Error :%s'%e
70
71 client.sendall(data)
72
73 server_response = client.recv(4096)
74
75 return server_response
76
77 if __name__ == '__main__':
78
79 data = raw_input('input data')
80
81 node = {data:client(data)}
82
83 if node [data] == 'Error':
84
85 print 'Error data'
86
87 else:
88
89 print node[data]
