DatagramSocket s = new DatagramSocket( Integer.parseInt(argv[0]) );
while ( true ) {
DatagramPacket packet = new DatagramPacket(new byte [1024], 1024);
s.receive( packet );
String message = new String( packet.getData() );
System.out.println( "Heartbeat from: " +
packet.getAddress().getHostName() + " - " + message );
}
