本文实例讲述了Python网络编程之TCP与UDP协议套接字用法。分享给大家供大家参考，具体如下：
TCP协议
服务器端：
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#!/usr/bin/env pythonfrom socket import *from time import ctimeHOST = ''PORT = 21567BUFSIZ = 1024ADDR = (HOST, PORT)tcpSerSock = socket(AF_INET, SOCK_STREAM) ##创建服务器TCP套接字tcpSerSock.bind(ADDR)tcpSerSock.listen(5)while True: print 'waiting for connection...' tcpCliSock, addr = tcpSerSock.accept() ##等待客户端连接 print '...connected from:', addr while True: data = tcpCliSock.recv(BUFSIZ) ##监听客户端是否发送消息 if not data: break tcpCliSock.send('[%s] %s' % ( ctime(), data)) tcpCliSock.close()tcpSerSock.close() |
客户端：
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#!/usr/bin/env pythonfrom socket import *HOST = 'localhost'PORT = 21567BUFSIZ = 1024ADDR = (HOST, PORT)tcpCliSock = socket(AF_INET, SOCK_STREAM) ##创建客户端TCP套接字tcpCliSock.connect(ADDR) ##连接服务器while True: data = raw_input('> ') if not data: break tcpCliSock.send(data) data = tcpCliSock.recv(BUFSIZ) ##监听客户端发送消息 if not data: break print datatcpCliSock.close() |
UDP协议
服务器端:
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#!/usr/bin/env pythonfrom socket import *from time import ctimeHOST = ''PORT = 21567BUFSIZ = 1024ADDR = (HOST, PORT)udpSerSock = socket(AF_INET, SOCK_DGRAM)udpSerSock.bind(ADDR)while True: print 'waiting for message...' data, addr = udpSerSock.recvfrom(BUFSIZ)##监听并接受客户端发的消息 udpSerSock.sendto('[%s] %s' % ( ##给消息加上时间戳并返回给客户端 ctime(), data), addr) print '...received from and returned to:', addrudpSerSock.close() |
客户端：
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#!/usr/bin/env pythonfrom socket import *HOST = 'localhost'PORT = 21567BUFSIZ = 1024ADDR = (HOST, PORT)udpCliSock = socket(AF_INET, SOCK_DGRAM)while True: data = raw_input('> ') if not data: break udpCliSock.sendto(data, ADDR) ##给服务器发送数据 data, ADDR = udpCliSock.recvfrom(BUFSIZ) ##客户端接受带时间戳的数据 if not data: break print dataudpCliSock.close() |
希望本文所述对大家Python程序设计有所帮助。
原文链接：http://www.cnblogs.com/paulwinflo/p/5015325.html
