예제 #1
0
  /** Handles operation of the error simulator server. */
  public void start() {

    DatagramPacket receivePacket = null;
    try {
      errorSimulatorSock = new DatagramSocket(Configurations.ERROR_SIM_LISTEN_PORT);
      // errorSimulatorSock.setSoTimeout(30000);
    } catch (SocketException e) {
      e.printStackTrace();
      System.exit(1);
    }

    /*
     * - Receive packets until the admin console gives the shutdown signal.
     * - Since receiving a packet is a blocking operation, timeouts have been set to loop back
     *   and check if the close signal has been given.
     */
    while (active.get()) {
      try {
        // Create the packet for receiving.
        byte[] buffer = new byte[Configurations.MAX_BUFFER];
        this.mErrorOptionSettings = this.mErrorUI.getErrorCodeFromUser(testInstance);
        if (this.mErrorOptionSettings.first == ErrorType.EXIT) {
          active.set(false);
          break;
        }
        receivePacket = new DatagramPacket(buffer, buffer.length);
        logger.print(
            Logger.VERBOSE,
            String.format(Strings.ES_INITIALIZED, Configurations.ERROR_SIM_LISTEN_PORT));
        logger.print(Logger.VERBOSE, Strings.ES_START_LISTENING);

        errorSimulatorSock.receive(receivePacket);
      } catch (SocketTimeoutException e) {
        continue;
      } catch (SocketException e) {
        continue;
      } catch (IOException e) {
        System.out.println(Strings.SERVER_RECEIVE_ERROR);
        e.printStackTrace();
      }
      System.out.println(
          BufferPrinter.acceptConnectionMessage(
              Strings.SERVER_ACCEPT_CONNECTION, receivePacket.getSocketAddress().toString()));

      Thread service =
          new Thread(
              new ErrorSimulatorService(
                  receivePacket, this, this.mErrorOptionSettings, testInstance),
              CLASS_TAG);
      threads.addElement(service);
      service.start();
    }
    this.errorSimulatorSock.close();
    // Wait for all service threads to close before completely exiting.
    for (Thread t : threads) {
      try {
        t.join();
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
    }
  }
예제 #2
0
 /** Constructor for ErrorSimulatorServer that initializes the thread container 'threads'. */
 public ErrorSimulatorServer() {
   threads = new Vector<Thread>();
   this.mErrorUI = new TFTPUserInterface();
   testInstance = this.mErrorUI.printTestableProcess();
   logger.setClassTag(CLASS_TAG);
 }