Detailed explanation of examples of tcp socket programming in Python

This article mainly introduces the Python basic tutorial tcp socket programming detailed explanation and simple examples. Friends in need can refer to the following

Python tcp socket programming detailed explanation

Beginner to learn the scripting language Python, test the available tcp communication program:

Server:

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

import socket
import threading
import time

def tcplink(sock, addr):
  print('Accept new connection from %s:%s...' % addr);
  sock.send(b'Welcome!!!');
  while True:
    data = sock.recv(1024);
    time.sleep(1);
    if not data or data.decode('utf-8') == 'exit':
       break;
    sock.send(b'Hello, %s!' % data);
  sock.close();
  print('Connection from %s:%s closed.' % addr);


if name == "main":

  s = socket.socket(socket.AF_INET, socket.SOCK_STREAM);

  s.bind(('127.0.0.1', 9090));
  s.listen(8); #监听8个客户端；
  print('waiting for connection...');

  while True:
    sock, addr = s.accept();
    t = threading.Thread(target=tcplink, args=(sock,addr));
    t.start();

Client:

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

import socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM);
s.connect(('127.0.0.1', 9090));
print(s.recv(1024).decode('utf-8'));
for data in [b'lk', b'aa', b'bb']:
  s.send(data);
  print(s.recv(1024).decode('utf-8'));
s.send(b'exit');
s.close();

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