Python Socket 线程聊天程序

1、ChatService.py

#!C:/Python27#coding=utf-8import socketimport threadingHOST = "localhost"PORT = 6666ADDR = (HOST, PORT)srv_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)srv_sock.bind((HOST,PORT))srv_sock.listen(5)#监听连接 满了挂起 5print "\nlisting..."con = threading.Condition()#判断条件 锁data = """""conn 为新的套接字对象,可以用来接收和发送数据。address是连接客户端的地址接收TCP客户的连接"""def NotifyAll(sss):    global data    if con.acquire():#获取锁        data = sss        con.notifyAll()#表示当前线程放弃对资源的占用 通知其他线程        con.release() #释放锁def ThreadOut(conn,nick):    global data        while True:        if con.acquire():            con.wait()#会阻塞在这里  放弃对当前资源的占用 等            if data:                try:                    conn.send(data)#发送                    con.release()                except:                    con.release()                    returndef ThreadIn(conn,nick):#接收消息    while True:        try:            temp = conn.recv(1024)            if not temp:                conn.close()                return            NotifyAll(temp)            print data        except:            NotifyAll(nick+'happen error...')                        print "异常数据：",data            return"""1、将所有客户端的连接对象，保存到list中2、服务端将消息转发到其中一个客户端的连接对象"""        clientlist = []        while True:            conn,address = srv_sock.accept()    print "\n客服端连接地址:",address    print "\nIP:",address[0],"PORT:",address[1]    nick = conn.recv(1024)    print "\n",nick   #接收昵称        NotifyAll('Welcome '+nick+' to the room!!!\n')    print data    conn.send(data)        clientlist.append(address)    #conn.sendto("9999999",clientlist[0])    #接收一个数据    #len = sizeof(struct,addr1)    data1,addr1=conn.recvfrom(1024)    print 'Received:',data1,'from:',len(addr1),addr1    print "IP: ",addr1[0],"PORT: ",addr1[1]    conn.sendto(b'this  is  is IP',(HOST,PORT))    print "\n客户端连接集合个数为:",len(clientlist),clientlist    #print clientlist[0]    #如果连接客户端有2个或以上就将消息发送到第二个客户端上    if len(clientlist)>=2:        print "判断消息:",clientlist[1]        conn.sendto(b'server send ip massage to host', clientlist[1])    threading.Thread(target=ThreadOut,args=(conn,nick)).start()    threading.Thread(target=ThreadIn,args=(conn,nick)).start()       

2、ChatClient.py

#!C:/Python27#coding=utf-8import socketimport threadingHOST = "localhost"PORT = 6666sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)sock.connect((HOST,PORT))print u"建立连接"outString =""inString = ""nick = ""def client_send(sock):#在函数内部改变全局变量    global outString    global nick    while True:        #死循环  一直监听输入 如果有输入 就会发生到服务端        outString = raw_input("\n请输入要发送的消息: \n >>>: ")#接收输入        outString = nick + '说:'+outString        print "\n",outString                sock.send(outString)def client_accept(sock):    global inString    while True:        try:            inString = sock.recv(1024)#接收数据                        if not inString:                break            if outString != inString:                print inString        except:            breaknick = raw_input(u"请输入您的用户名: \n >>>:")sock.send(nick)#发送用户名outStringPord = raw_input("\n给客服端的发送消息的端口是: \n >>>: ")#接收输入端口poot =('127.0.0.1',int(outStringPord, base=10))#字符串转换为10进制print pootsock.sendto(b'hello,this is a test info !',poot)th_send = threading.Thread(target=client_send,args=(sock,))#发送消息的线程th_send.start()th_accept = threading.Thread(target=client_accept,args=(sock,))th_accept.start()