A simple multi-thread TCP server tutorial using Python

A simple multi-thread TCP server tutorial using Python

This article mainly introduces how to use Python to implement a simple multi-thread TCP server. The running environment of the example is a Windows operating system. For more information, see

I recently read "python core programming". The book implements a simple one-to-one TCPserver, but in actual use, the one-to-one situation is obviously not good, so I studied how to start different threads (processes) on the server side to implement each link to a thread.

In fact, python has considered this requirement in the class design. We only need to inherit SocketServer. BaseRequestHandler from our own server.

The server code is as follows:

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#! /Usr/bin/env python Import SocketServer From time import ctime HOST ='' PORT = 21567 ADDR = (HOST, PORT) Class MyRequestHandler (SocketServer. BaseRequestHandler ): Def handle (self ): Print '... connected from:', self. client_address While True: Self. request. sendall ('[% s] % s' % (ctime (), self. request. recv (1024 ))) TcpServ = SocketServer. ThreadingTCPServer (ADDR, MyRequestHandler) Print 'Waiting for connection ...' TcpServ. serve_forever ()

The client code is as follows (basically the same as in the book, but the closed link in the loop is commented out ):

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#! /Usr/bin/env python From socket import * HOST = 'localhost' PORT = 21567 Bufsiz= 1024 ADDR = (HOST, PORT) While True: TcpCliSock = socket (AF_INET, SOCK_STREAM) TcpCliSock. connect (ADDR) Data = raw_input ('> ') If not data: Break TcpCliSock. send ('% s \ r \ n' % data) Data = tcpCliSock. recv (BUFSIZ) If not data: Break Print data. strip () # TcpCliSock. close ()

From the client code, we can see that a new request is created every time a request is entered.

Test. After the server and client are started, enter the test in the client: