Python socket C/S结构的聊天室应用实现
发布时间:2020-05-24 19:23:11 所属栏目:Python 来源:互联网
导读:PythonsocketC/S结构的聊天室应用服务端:#!/usr/bin/envpython#coding:utf8importsocket,select
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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 roomn" % 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,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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