python 聊天室

server端程序

# -*- coding: utf-8 -*-
#!/usr/bin/python 
"""

"""
import socket
import sys
import threading
 
con = threading.Condition()
HOST = raw_input("input the server's ip adrress: ") # Symbolic name meaning all available interfaces
PORT = 8888 # Arbitrary non-privileged port
data = ''
 
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print 'Socket created'
s.bind((HOST, PORT))
s.listen(10)
print 'Socket now listening'
 
#Function for handling connections. This will be used to create threads
def clientThreadIn(conn, nick):
    global data
#infinite loop so that function do not terminate and thread do not end.
    while True:
    #Receiving from client
        try:
            temp = conn.recv(1024)
            if not temp:
                conn.close()
                return
            NotifyAll(temp)
            print data
        except:
            NotifyAll(nick + " leaves the room!")
            print data
            return
 
    #came out of loop
 
def NotifyAll(sss):
    global data
    if con.acquire():
        data = sss
        con.notifyAll()
        con.release()
  
def ClientThreadOut(conn, nick):
    global data
    while True:
        if con.acquire():
            con.wait()
            if data:
                try:
                    conn.send(data)
                    con.release()
                except:
                    con.release()
                    return
                     
 
while 1:
    #wait to accept a connection - blocking call
    conn, addr = s.accept()
    print 'Connected with ' + addr[0] + ':' + str(addr[1])
    nick = conn.recv(1024)
     #send only takes string
    #start new thread takes 1st argument as a function name to be run, second is the tuple of arguments to the function.
    NotifyAll('Welcome ' + nick + ' to the room!')
    print data
    print str((threading.activeCount() + 1) / 2) + ' person(s)!'
    conn.send(data)
    threading.Thread(target = clientThreadIn , args = (conn, nick)).start()
    threading.Thread(target = ClientThreadOut , args = (conn, nick)).start()
 
s.close()

client端程序

# -*- coding: utf-8 -*-
#/usr/bin/python

"""

"""
 
import socket
import threading
 
 
inString = ''
outString = ''
nick = ''
 
def DealOut(s):
    global nick, outString
    while True:
        outString = raw_input()
        outString = nick + ': ' + outString
        s.send(outString)
 
def DealIn(s):
    global inString
    while True:
        try:
            inString = s.recv(1024)
            if not inString:
                break
            if outString != inString:
                print inString
        except:
            break
         
 
nick = raw_input("input your nickname: ")
ip = raw_input("input the server's ip adrress: ")
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((ip, 8888))
sock.send(nick)
 
thin = threading.Thread(target = DealIn, args = (sock,))
thin.start()
thout = threading.Thread(target = DealOut, args = (sock,))
thout.start()

运行结果

1 在服务器端运行程序

2 客户端程序运行结果

客户端运行结果