Python socket CS结构的聊天室应用实现

概述PythonsocketC/S结构的聊天室应用服务端：#!/usr/bin/envpython#coding:utf8importsocket,select

Python socket C/S结构的聊天室应用

服务端：

#!/usr/bin/env python#Coding:utf8 import socket,selectdef broadcast_data (sock,message): for socket in conn_List:  if socket != server_socket and socket != sock :   try :    socket.send(message)   except :    socket.close()    conn_List.remove(socket) if __name__ == "__main__": conn_List = [] recv_buffer = 4096 PORT = 9999  server_socket = socket.socket(socket.AF_INET,socket.soCK_STREAM) server_socket.setsockopt(socket.soL_SOCKET,socket.so_REUSEADDR,1) #端口重用,可选 server_socket.bind(('',PORT)) server_socket.Listen(99)  conn_List.append(server_socket)  print "Chat server started on port " + str(PORT)  while 1:  read_sockets,write_sockets,error_sockets = select.select(conn_List,[],[])  for sock in read_sockets:   #新建连接   if sock == server_socket:    sockfd,addr = server_socket.accept()    conn_List.append(sockfd)    print "ClIEnt (%s,%s) connected" % addr    broadcast_data(sockfd,"[%s:%s] entered room\n" % addr)   #进入聊天室   else:    try:     data = sock.recv(recv_buffer)     if data:      broadcast_data(sock,"\r" + '<' + str(sock.getpeername()) + '> ' + data)    except:     broadcast_data(sock,"ClIEnt (%s,%s) is offline" % addr)     print "ClIEnt (%s,%s) is offline" % addr     sock.close()     conn_List.remove(sock)     continue  server_socket.close()

客户端：

#!/usr/bin/env python#Coding:utf8import socket,select,string,sys def prompt() : sys.stdout.write('<You> ') sys.stdout.flush() if __name__ == "__main__":  if(len(sys.argv) < 3) :  print 'Usage : python chat_clIEnt.py hostname port'  sys.exit()  HOST = sys.argv[1] PORT = int(sys.argv[2])  s = socket.socket(socket.AF_INET,socket.soCK_STREAM) s.settimeout(2)  try :  s.connect((HOST,PORT)) except :  print 'Unable to connect'  sys.exit()  print 'Connected to remote host. Start sending messages' prompt()  while 1:  socket_List = [sys.stdin,s]   read_sockets,error_sockets = select.select(socket_List,[])   for sock in read_sockets:   if sock == s:    data = sock.recv(4096)    if not data :     print '\ndisconnected from chat server'     sys.exit()    else :     sys.stdout.write(data)     prompt()    else :    msg = sys.stdin.readline()    s.send(msg)    prompt()

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