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 =http://www.mamicode.com/= ‘local exit‘ and LocalAddrInfo == PeerAddr:11             print ‘RecvProcess was terminated!‘12             break13         #data = http://www.mamicode.com/raw_input ()14         print ‘%s(MessageFrom %s:%d)‘ % ( data, PeerAddr[0], PeerAddr[1] )15 16 if __name__ == ‘__main__‘:17     #Create UDP socekt18     s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)19     #Get local machine name20     myname = socket.getfqdn(socket.gethostname())21     myaddr = socket.gethostbyname(myname)22     addrinfo = ( myaddr, 5060 )23     print myaddr24     s.bind( addrinfo )25     #Start the Recv process26     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             break33         s.sendto ( val, ( ‘192.168.3.36‘, 5060) )34     print ‘quit‘