python3 udp socketserver

# -*- coding: utf-8 -*-
from socket import *


server = socket(AF_INET, SOCK_DGRAM)  # udp以数据报的形式传输数据
ip_port = ("127.0.0.1", 8001)  # 服务端的IP和端口
server.bind(ip_port)  # 绑定ip和端口

while 1:  # 通讯循环
    client_msg, client_addr = server.recvfrom(1024)
    print("from client %s msg: %s" % (client_msg, client_addr))
    server.sendto(client_msg.upper(), client_addr)

# -*- coding: utf-8 -*-
from socket import *


client = socket(AF_INET, SOCK_DGRAM)
server_addr = ("127.0.0.1", 8001)

while 1:  # 通讯循环
    inp = input(">>:").strip()
    client.sendto(inp.encode(), server_addr)
    server_msg, server_addr = client.recvfrom(1024)
    print("from server %s msg: %s" % (server_msg, server_addr))

# -*- coding: utf-8 -*-
import socketserver


class MyUDPhandler(socketserver.BaseRequestHandler):
    def handle(self):
        client_msg, server = self.request
        server.sendto(client_msg.upper(), self.client_address)

if __name__ == '__main__':
    ip_port = ("127.0.0.1", 8001)  # 服务端的IP和端口
    server = socketserver.ThreadingUDPServer(ip_port, MyUDPhandler)
    server.serve_forever()