public static void main(String[] args) throws Exception {
    int counter = 0;
    while (true) {
      Thread outThread = null;
      Thread errThread = null;
      try {
        // org.pitest.mutationtest.instrument.MutationTestUnit#runTestInSeperateProcessForMutationRange

        // *** start slave

        ServerSocket commSocket = new ServerSocket(0);
        int commPort = commSocket.getLocalPort();
        System.out.println("commPort = " + commPort);

        // org.pitest.mutationtest.execute.MutationTestProcess#start
        //   - org.pitest.util.CommunicationThread#start
        FutureTask<Integer> commFuture = createFuture(commSocket);
        //   - org.pitest.util.WrappingProcess#start
        //       - org.pitest.util.JavaProcess#launch
        Process slaveProcess = startSlaveProcess(commPort);
        outThread = new Thread(new ReadFromInputStream(slaveProcess.getInputStream()), "stdout");
        errThread = new Thread(new ReadFromInputStream(slaveProcess.getErrorStream()), "stderr");
        outThread.start();
        errThread.start();

        // *** wait for slave to die

        // org.pitest.mutationtest.execute.MutationTestProcess#waitToDie
        //    - org.pitest.util.CommunicationThread#waitToFinish
        System.out.println("waitToFinish");
        Integer controlReturned = commFuture.get();
        System.out.println("controlReturned = " + controlReturned);
        // NOTE: the following won't get called if commFuture.get() fails!
        //    - org.pitest.util.JavaProcess#destroy
        outThread.interrupt(); // org.pitest.util.AbstractMonitor#requestStop
        errThread.interrupt(); // org.pitest.util.AbstractMonitor#requestStop
        slaveProcess.destroy();
      } catch (Exception e) {
        e.printStackTrace(System.out);
      }

      // test: the threads should exit eventually
      outThread.join();
      errThread.join();
      counter++;
      System.out.println("try " + counter + ": stdout and stderr threads exited normally");
    }
  }
 private void sendDataTcp(int dataServerPort, String xmlEmployees) throws IOException {
   ServerSocket serverSocket = new ServerSocket(dataServerPort);
   serverSocket.setSoTimeout((int) SECONDS.toMillis(100));
   boolean isTimeExpired = false;
   while (!isTimeExpired) {
     try {
       Socket socket = serverSocket.accept(); // Blocking call!
       serialize(xmlEmployees, socket.getOutputStream());
       socket.close();
     } catch (SocketTimeoutException e) {
       System.out.println(
           "[WARNING] ----------------------------------------- \n"
               + "[WARNING] Waiting time expired... Socket is closed.");
       isTimeExpired = true;
       continue;
     }
   }
   serverSocket.close();
 }
  public void listen(EndPoint localEp, boolean isHttp) throws IOException {
    ServerSocketChannel serverChannel = ServerSocketChannel.open();
    ServerSocket ss = serverChannel.socket();
    ss.bind(localEp.getInetAddress());
    serverChannel.configureBlocking(false);

    SelectionKeyHandler handler = null;
    if (isHttp) {
      handler = new HttpConnectionHandler();
    } else {
      handler = new TcpConnectionHandler(localEp);
    }

    SelectionKey key =
        SelectorManager.getSelectorManager()
            .register(serverChannel, handler, SelectionKey.OP_ACCEPT);
    endPoints_.add(localEp);
    listenSockets_.put(localEp, key);
  }