Python写的简陋版一对一聊天工具，全双工

 1 import threading
 2 import os
 3 import socket
 4 
 5 
 6 def RecvProcess ( UDP_Socket, LocalAddrInfo ):
 7     print ‘UDP Recver is UP‘
 8     while 1:
 9         data, PeerAddr = UDP_Socket.recvfrom ( 1024 )
10         if data == ‘local exit‘ and LocalAddrInfo == PeerAddr:
11             print ‘RecvProcess was terminated!‘
12             break
13         #data = raw_input ()
14         print ‘%s(MessageFrom %s:%d)‘ % ( data, PeerAddr[0], PeerAddr[1] )
15 
16 if __name__ == ‘__main__‘:
17     #Create UDP socekt
18     s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
19     #Get local machine name
20     myname = socket.getfqdn(socket.gethostname())
21     myaddr = socket.gethostbyname(myname)
22     addrinfo = ( myaddr, 5060 )
23     print myaddr
24     s.bind( addrinfo )
25     #Start the Recv process
26     threadrecv = threading.Thread ( target = RecvProcess, args = (s, addrinfo) )
27     threadrecv.start ()
28     while 1:
29         val = raw_input()
30         if val == ‘exit‘:
31             s.sendto ( ‘local exit‘, addrinfo )
32             break
33         s.sendto ( val, ( ‘192.168.3.36‘, 5060) )
34     print ‘quit‘