/*
 * Fail Dklient.java
 * author Jaanus Poial
 */

import java.net.*;
import java.io.*;
import java.applet.Applet;
import java.util.Date;
import java.awt.Graphics;

public class Dklient extends Applet { // kliendipool on rakend

   InetAddress aadress;    // serveri aadress
   int pordinumber;        // suhtlemiseks kasutatav UDP-port

   public void init() { // Applet-klassi meetodi u"lekatmine
      try {
         aadress = InetAddress.getByName (getCodeBase().getHost());
         if (getParameter ("port") == null) 
            pordinumber = 5678; // suvaliselt valitud vaikeva"a"rtus
         else pordinumber = Integer.parseInt (getParameter ("port"));
            // pordinumber tuleb veebilehelt parameetrina
      }
      catch (UnknownHostException e) {
         // to"o"delda
      }
   }

   void saada (String teade) {
      try {
         byte [] andmed = teade.getBytes();
         DatagramPacket pakett = new DatagramPacket
            (andmed, andmed.length, aadress, pordinumber);
         DatagramSocket dpistik = new DatagramSocket();
         dpistik.send (pakett);
         dpistik.close();
      }
      catch (IOException e) {
         // to"o"delda
      }
   }

   public void start() { // Applet-klassi meetodi u"lekatmine
      String s = "  Dklient  " + new Date().toString() + " " +
         System.getProperty ("os.name") + " " +
         System.getProperty ("os.version") + " " +
         System.getProperty ("os.arch") + "\n  " +
         System.getProperty ("java.vendor");
      saada (s);
   }

   public void stop() { // Applet-klassi meetodi u"lekatmine
      String s = "  " + new Date().toString() + " lahkus lehelt";
      saada (s);
   }

   public void paint (Graphics ekraan) { // Applet-klassi meetod
      ekraan.drawString ("Spioon" , 50, 25);
   }

} // Dklient lopp