# Echo server program
import socket
import struct

HOST = ''                 # Symbolic name meaning the local host
PORT = 15922              # Arbitrary non-privileged port
mcast_adress = "227.234.253.9"

s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind((HOST, PORT))
mreq = struct.pack('4si', socket.inet_aton(mcast_adress), socket.INADDR_ANY)
s.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
data = s.recv(1024)
if (data):
    print (data)
s.close()