package mil.navy.nps.testing;

/**
   DatagramSender:  Datagram socket sender

   This just spits out some datagram packets on the given socket (port 8004).
   It is used only to generate some packets for testing other things.

*/

import java.io.*;
import java.lang.*;
import java.net.*;
import java.util.*;
import mil.navy.nps.dis.*;

public class DatagramSender 
{
    // Ignore exceptions for now.

    public static void main(String argv[]) throws 
                                            UnknownHostException, 
                                            SocketException, 
                                            UnknownHostException, 
                                            IOException
    {
        byte                    outputBuffer[] = new byte[1500];    // buffer to hold datagram data
        DatagramSocket          dgramSocket;                        // socket to spit it out on
        DatagramPacket          dgramPacket;                        // one datagram packet
        InetAddress             dgramDest;                          // destination internet address
        int                     datagramSentCount = 0;


        dgramSocket  = new DatagramSocket(8224);    // Send on this socket
        dgramDest    = InetAddress.getLocalHost();  // send to this host

        // Spit out datagram packets every now and then

        while(true)
        {
          outputBuffer[0] = 1; outputBuffer[1] = 2; // just some random data
          
          // send to socket 8004
          dgramPacket = new DatagramPacket(outputBuffer, outputBuffer.length, dgramDest, 8004);
            
          dgramSocket.send(dgramPacket);
        
          datagramSentCount++;

          if(datagramSentCount % 100 == 0)
              System.out.println("sent " + datagramSentCount + " datagrams");
        }

    }
}