python21-tcp并发-socketserver

服务端

import socketserver

class MyServer(socketserver.BaseRequestHandler):
    def handle(self):
        print('conn is ',self.request) #conn
        print('addr is ',self.client_address) #addr
        while True:
            #解决强制关闭客户端导致服务端报错问题
            try:
                # 收消息
                data = self.request.recv(1024)
                if not data:break
                print('收到客户端的消息是', data)
                # 发消息
                self.request.sendall(data.upper())
            except Exception as e:
                print(e)
                break#跳出真个循环

print(__name__)

if __name__ == '__main__':
    s=socketserver.ThreadingTCPServer(('127.0.0.1',8080),MyServer)
    # s = socketserver.ForkingTCPServer(('127.0.0.1', 8080), MyServer)#多进程
![](https://p1-jj.byteimg.com/tos-cn-i-t2oaga2asx/gold-user-assets/2018/3/8/1620436a4e1d1376~tplv-t2oaga2asx-image.image)
    s.serve_forever()

客户端1

from socket import *
import struct
ip_port = ('127.0.0.1',8080)
back_log=5
buffer_size=1024

tcp_client = socket(AF_INET,SOCK_STREAM)
tcp_client.connect(ip_port)

while True:
    msg = input('>>:').strip()
    if not msg:continue
    if msg == 'quit':break
    tcp_client.send(msg.encode('utf-8'))

    data = tcp_client.recv(buffer_size)
    print('收到服务端发来的消息:',data.decode('utf-8'))

tcp_client.close()

客户端2

from socket import *
import struct
ip_port = ('127.0.0.1',8080)
back_log=5
buffer_size=1024

tcp_client = socket(AF_INET,SOCK_STREAM)
tcp_client.connect(ip_port)

while True:
    msg = input('>>:').strip()
    if not msg:continue
    if msg == 'quit':break
    tcp_client.send(msg.encode('utf-8'))

    data = tcp_client.recv(buffer_size)
    print('收到服务端发来的消息:',data.decode('utf-8'))
tcp_client.close()

运行结果