def SendHeartbeat(self,hbThreadEvent) :
        hbSock = socket(AF_INET,SOCK_DGRAM)
        hbSock.setsockopt(SOL_SOCKET,SO_BROADCAST,1)
        while not hbThreadEvent.isSet():
            msg = "xpl-stat\n{\nhop=1\nsource="+str(self.hostname)+"\ntarget=*\n}\nhbeat.app\n{\ninterval=5\nport="