本文實例講述了Python網絡編程之TCP與UDP協議套接字用法。分享給大家供大家參考，具體如下：
TCP協議
服務器端：
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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) ##創建服務器TCP套接字tcpSerSock.bind(ADDR)tcpSerSock.listen(5)while True: print 'waiting for connection...' tcpCliSock, addr = tcpSerSock.accept() ##等待客戶端連接 print '...connected from:', addr while True: data = tcpCliSock.recv(BUFSIZ) ##監聽客戶端是否發送消息 if not data: break tcpCliSock.send('[%s] %s' % ( ctime(), data)) tcpCliSock.close()tcpSerSock.close() |
客戶端：
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#!/usr/bin/env pythonfrom socket import *HOST = 'localhost'PORT = 21567BUFSIZ = 1024ADDR = (HOST, PORT)tcpCliSock = socket(AF_INET, SOCK_STREAM) ##創建客戶端TCP套接字tcpCliSock.connect(ADDR) ##連接服務器while True: data = raw_input('> ') if not data: break tcpCliSock.send(data) data = tcpCliSock.recv(BUFSIZ) ##監聽客戶端發送消息 if not data: break print datatcpCliSock.close() |
UDP協議
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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)##監聽并接受客戶端發的消息 udpSerSock.sendto('[%s] %s' % ( ##給消息加上時間戳并返回給客戶端 ctime(), data), addr) print '...received from and returned to:', addrudpSerSock.close() |
客戶端：
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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) ##給服務器發送數據 data, ADDR = udpCliSock.recvfrom(BUFSIZ) ##客戶端接受帶時間戳的數據 if not data: break print dataudpCliSock.close() |
希望本文所述對大家Python程序設計有所幫助。
原文鏈接：http://www.cnblogs.com/paulwinflo/p/5015325.html
