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# -*- coding: utf-8 -*-
import struct
import time
import socket

ip = '225.0.0.37'
port = 7776
 
def receiver():
    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    sock.bind(('0.0.0.0', port))
    mreq = struct.pack("=4sl", socket.inet_aton(ip), socket.INADDR_ANY)
    sock.setsockopt(socket.IPPROTO_IP,socket.IP_ADD_MEMBERSHIP,mreq)
    while True:
        try:
            message, addr = sock.recvfrom(1024)
            print(message)
        except :
            print("error")

if __name__ == "__main__":
    receiver()

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# -*- coding: utf-8 -*-

import time
import socket
 

ip = '225.0.0.37'
port = 7776
 
def sender():
    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    while True:
        message = "{'type':'rdp'}"
        sock.sendto(message.encode(), (ip, port))
        print(message)
        time.sleep(1)
 
if __name__ == "__main__":
    sender()