Python socket C/S结构的聊天室应用实现
更新时间:2014年11月30日 21:48:29 投稿:mdxy-dxy
这篇文章主要介绍了Python socket C/S结构的聊天室应用实现,需要的朋友可以参考下
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Python socket C/S结构的聊天室应用
服务端:
#!/usr/bin/env python #coding:utf8 import socket,select def 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:utf8 import 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, write_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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