一个简单的基于多进程实现并发的Socket程序

# -*- coding: utf-8  -*-
# -*- Author: WangHW -*-
import socket
import os
from multiprocessing import Process

#多进程开启的程序
def talk(conn):
    # 通信循环
    while 1:
        try:
            data = conn.recv(1024)
            if not data:
                break
            print(‘client <%s> data:%s‘ %(os.getpid(),data.decode(‘utf-8‘)))
            conn.send(data.upper())
        except ConnectionResetError:
            break
    conn.close()

#socket建立连接循环的程序
def server(ip,port):
    whw_server = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
    whw_server.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
    whw_server.bind((ip,port))
    whw_server.listen(5)
    # 链接循环
    while 1:
        conn, addr = whw_server.accept()
        #生成对象，每建立一个链接就启动一个进程
        p = Process(target=talk,args=(conn,))
        p.start()


if __name__ == ‘__main__‘:
    server(‘127.0.0.1‘,9000)

# -*- coding: utf-8  -*-
# -*- Author: WangHW -*-
import socket

whw_client = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
whw_client.connect((‘127.0.0.1‘,9000))

while 1:
    msg = input(‘>>>:‘).strip()
    if not msg:
        continue
    whw_client.send(msg.encode(‘utf-8‘))
    data = whw_client.recv(1024)
    print(‘Server Data:‘,data.decode(‘utf-8‘))