package mil.navy.nps.testing;


/*----------------------------------------------------------------------
   A test of multicast receiving in java. Swiped from
   http://www.cdt.luth.se/~peppar/java/multicast_example/

------------------------------------------------------------------------*/

import mil.navy.nps.dis.*;

import java.net.*;      // standard networking, in all "official" JDK 1.1 distributions
// import sun.net.*;       // multicast is in the Sun packages for JDK 1.0

public class MulticastTest extends Object
{

public static void main(String args[]) throws java.net.SocketException, java.io.IOException
{
 
  int                   port = 3111;
  String                group = "224.2.244.141";
  MulticastSocket       socket;
  byte                  buf[] = new byte[1500];
  DatagramPacket        packet = new DatagramPacket(buf, buf.length);
  EntityStatePdu        aPdu;
  int                   idx, packetReceivedCount; 

  socket = new MulticastSocket(port);

  socket.joinGroup(InetAddress.getByName(group));
 
  while (true)
   {
     socket.receive(packet);
      
     System.out.println("Received data from: " + packet.getAddress().toString() +
                         ":" + packet.getPort() + " with length: " +
                         packet.getLength());
   }
  
  
}

} // end of class MulticastTest