import time
import socket
import struct

MYGROUP = '224.0.1.255'
MYPORT = 10086

def receiver():
    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
    mreq = struct.pack("=4sl", socket.inet_aton(MYGROUP), socket.INADDR_ANY) 
    sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
    sock.bind(("0.0.0.0", MYPORT))

    while 1:
        data, addr = sock.recvfrom(1024)
        print "Receive data!"
        print "TIME:" , time.time()
        print "FROM: ", addr
        print "DATA: ", data

if __name__ == "__main__":
    receiver()