python socket tcp通信模型

//服务端

!/usr/bin/env python

from socket import * from time import ctime

HOST='' PORT=21567 BUFSIZ=1024 ADDR=(HOST,PORT)

tcpSerSock=socket(AF_INET,SOCK_STREAM) tcpSerSock.bind(ADDR) tcpSerSock.listen(5)

while True: print('waiting for connection....') tcpCliSock,addr=tcpSerSock.accept() print('....connected from:',addr)

    while True:
            data=tcpCliSock.recv(BUFSIZ)
            if not data:
                    break
            tcpCliSock.send(('[%s] %s' %(ctime(),data)).encode())
    tcpCliSock.close()

tcpSerSock.close()

//客户端(TCP)

!/usr/bin/env python

from socket import * HOST='127.0.0.1' PORT=21567 BUFSIZ=1024 ADDR=(HOST,PORT)

tcpCliSock=socket(AF_INET,SOCK_STREAM) tcpCliSock.connect(ADDR)

while True: data=input('> ') if not data: break tcpCliSock.send(data.encode()) data=tcpCliSock.recv(BUFSIZ) if not data: break print(data.decode('utf-8'))

tcpCliSock.close()