A simple udp server and client-side data acquisition

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udp does not require 3-way handshake and four waving, without establishing a connection in advance, send the data directly on the line.

end server

#-*- coding: utf-8 -*-
import socket
import binascii
BUFSIZE = 1500
ip_port = ('0.0.0.0', 3480)   #host  端口
server = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)  # udp协议
server.bind(ip_port)
while True:
    try:
        data,client_addr = server.recvfrom(BUFSIZE)
    except Exception as e:
        print('client_addr error is : %s' % e)
    print('server收到的数据', binascii.b2a_hex(data).decode())                 #打印接受到的数据
    #server.sendto(data.upper(),client_addr)
server.close()

client end

import socket
BUFSIZE = 1024
client = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
while True:
    msg = input(">> ").strip()
    ip_port = ('127.0.0.1', 9999)
    client.sendto(msg.encode('utf-8'),ip_port)
    data,server_addr = client.recvfrom(BUFSIZE)
    print('客户端recvfrom ',data,server_addr)
 
client.close()