private void messageStresser() throws HeadlessException {
   String res = JOptionPane.showInputDialog(this, "Number of messages to send");
   try {
     int count = Integer.parseInt(res);
     Thread t = new Thread(new Stresser(count));
     t.start();
   } catch (NumberFormatException nfe) {
   }
 }
 public void run() {
   try {
     while (keepRunning) {
       if (Client.currentInstance.session != null
           && Client.currentInstance.session.isConnected()) {
         Client.currentInstance.session.postMessage("", cmd, "");
       }
       try {
         Thread.currentThread().sleep(interval);
       } catch (InterruptedException ex) {
       }
     }
   } catch (Exception ex2) {
   }
 }
 public void run() {
   while (true) {
     synchronized (semaphore) {
       try {
         semaphore.wait();
       } catch (InterruptedException ex) {
       }
     }
     Color origColor = c.getBackground();
     for (int i = 0; i < flashCount; i++) {
       c.setBackground(flashColor);
       try {
         Thread.currentThread().sleep(100);
       } catch (Exception ex) {
       }
       c.setBackground(origColor);
     }
   }
 }
  public static void main(String[] args) {
    if (args.length > 0) {
      try {
        if (args[0].equals("-stress")) {
          String userName = args[1];
          String server = args[2];
          String targetUser = args[3];
          int rate = Integer.parseInt(args[4]);
          Session session = new Session();
          if (session.connect(server, userName)) {
            long msgCount = 0;
            while (true) {
              for (int i = 0; i < rate; i++) {
                msgCount++;
                session.postMessage(
                    targetUser, ("subject " + String.valueOf(msgCount)), Util.randomString(1000));
              }
              Thread.currentThread().sleep(2000);
            }
          }
        } else if (args[0].equals("-stress2")) {
          String userName = args[1];
          String server = args[2];
          String targetUser = args[3];
          int rate = Integer.parseInt(args[4]);
          Session session = new Session();
          long msgCount = 0;
          while (true) {
            if (session.connect(server, userName)) {
              for (int i = 0; i < rate; i++) {
                msgCount++;
                session.postMessage(
                    targetUser, ("subject " + String.valueOf(msgCount)), Util.randomString(1000));
              }
              session.disconnect();
            }
            Thread.currentThread().sleep(2000);
          }

        } else if (args[0].equals("-stress3")) {
          String userName = args[1];
          String server = args[2];
          String targetUser = args[3];
          int rate = Integer.parseInt(args[4]);
          Session session = new Session();
          long msgCount = 0;
          while (true) {
            if (session.connect(server, userName)) {
              for (int i = 0; i < rate; i++) {
                msgCount++;
                session.postMessage(
                    targetUser, ("subject " + String.valueOf(msgCount)), Util.randomString(1000));
              }
              session.dropConnection();
            }
            Thread.currentThread().sleep(2000);
          }
        } else if (args[0].equals("-stress4")) {
          String userName = args[1];
          String server = args[2];
          String targetUser = args[3];
          int rate = Integer.parseInt(args[4]);
          Session session = new Session();
          long msgCount = 0;
          while (true) {
            if (session.connect(server, userName)) {
              for (int i = 0; i < rate; i++) {
                msgCount++;
                session.postMessage(
                    targetUser, ("subject " + String.valueOf(msgCount)), Util.fixedString(300000));
              }
              session.dropConnection();
            }
            Thread.currentThread().sleep(5000);
          }

        } else if (args[0].equals("-stress5")) {
          String userName = args[1];
          String server = args[2];
          String targetUser = args[3];
          int rate = Integer.parseInt(args[4]);
          Session session = new Session();
          if (session.connect(server, userName)) {
            long msgCount = 0;
            while (true) {
              for (int i = 0; i < rate; i++) {
                msgCount++;
                session.postMessage(
                    targetUser, ("subject " + String.valueOf(msgCount)), Util.randomString(10));
              }
              Thread.currentThread().sleep(2000);
            }
          }
        } else if (args[0].equals("-monitor")) {
          String userName = args[1];
          String server = args[2];
          long interval = Long.parseLong(args[3]);
          Session session = new Session();
          long msgCount = 0;
          if (session.connect(server, userName)) {
            while (true) {
              Message msg = session.sendMessage("", "get send queue stats", "");
              System.out.println("SEND QUEUE STATS");
              System.out.println(msg.getBody());
              Thread.currentThread().sleep(interval);
            }
          }
        } else if (args[0].equals("-responder")) {
          String userName = args[1];
          String server = args[2];
          long interval = Long.parseLong(args[3]);
          final Session session = new Session();
          if (session.connect(server, userName)) {
            session.addListener(
                new AsyncMessageReceiverListener() {
                  public void receiveMsg(Message msg) {
                    session.postMessage(
                        msg.getFrom(), "RE: " + msg.getFrom(), msg.getThread(), msg.getBody());
                  }

                  public void messageReceiverClosed(MessageReceiver mr) {}
                });
            while (true) {
              Thread.currentThread().sleep(interval);
            }
          }
        } else if (args[0].equals("-threaded-sender")) {
          String userName = args[1];
          String server = args[2];
          String targetUser = args[3];
          int rate = Integer.parseInt(args[4]);
          Session session = new Session();
          long msgCount = 0;
          if (session.connect(server, userName)) {
            while (true) {
              for (int i = 0; i < rate; i++) {
                msgCount++;
                Message reply =
                    session.sendMessage(
                        targetUser, ("subject " + String.valueOf(msgCount)), "body", 10000);
                if (reply == null) {
                  System.out.println("reply not received");
                }
              }
              Thread.currentThread().sleep(5000);
            }
          }
        }
      } catch (Exception e) {
        System.out.println(
            "Unable to start stress test.  Format: -stress <user name> <server> <target user> <msg rate>");
      }
    } else {
      Client client = new Client();
      client.setSize(800, 420);
      center(client);
      client.show();
    }
  }