UCP implements time stamp server and client

#! /usr/bin/env python
#服务器程序（tsUserv.py）
from socket import *
from time import ctime
PORT =21567
HOST = ''
BUFSIZ = 1024
ADDR = (HOST,PORT)
udpServSock = socket(AF_INET,SOCK_DGRAM)
udpServSock.bind(ADDR)
while True:
    print 'Waiting for message...'
    data,addr = udpServSock.recvfrom(BUFSIZ)
    if not data:
        break
    udpServSock.sendto('[%s] %s' % (ctime(),data),addr)
    
    print 'Got message from ...',addr
udpServSock.close()

#! /usr/bin/env python
#客户端程序（tsUclnt.py）
from socket import *
HOST = '192.168.1.190'
PORT = 21567
BUFSIZ = 1024
ADDR = (HOST,PORT)
udpClntSock = socket(AF_INET,SOCK_DGRAM)
while True:
    data = raw_input('> ')
    if not data:
        break
    udpClntSock.sendto(data,ADDR)
    data,ADDR = udpClntSock.recvfrom(BUFSIZ)
    if not data:
        break
    print data
udpClntSock.close()