用python做UDP连接

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写个客户端

#!/usr/bin/env pythonfrom socket import *HOST = '10.2.167.115'PORT = 20001BUFSIZE = 1024ADDR = (HOST, PORT)udpClientSock = socket(AF_INET, SOCK_DGRAM)while True:    data = raw_input('Enter the message you want to send >')    if not data:        break    udpClientSock.sendto(data, ADDR)发送给服务端    data, ADDR = udpClientSock.recvfrom(BUFSIZE)接收服务端信息    if not data:        break    print dataudpClientSock.close()

写个服务端

#!/usr/bin/env python# -*- coding:UTF-8 -*-from socket import *from time import ctimeHOST = ''PORT = 20001监控端口BUFSIZE = 1024缓冲区大小ADDR = (HOST, PORT)udpSerSock = socket(AF_INET, SOCK_DGRAM)udpSerSock.bind(ADDR)while True:    print 'waiting for message...'    data, addr = udpSerSock.recvfrom(BUFSIZE)    udpSerSock.sendto('[%s] %s' % (ctime(), data), addr)给客户端发送信息    print'received from %s >> %s' % (addr, data)udpSerSock.close()

这个udp连接可以用于测速。在客户端记录开始和结束时间。再除以2可以估计网络耗时。忽略服务器响应时间

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