Esempio n. 1
0
  public static void main(String[] argv) throws Exception {
    Pipe[] pipes = new Pipe[PIPES_COUNT];
    Pipe pipe = Pipe.open();
    Pipe.SinkChannel sink = pipe.sink();
    Pipe.SourceChannel source = pipe.source();
    Selector sel = Selector.open();
    source.configureBlocking(false);
    source.register(sel, SelectionKey.OP_READ);

    for (int i = 0; i < PIPES_COUNT; i++) {
      pipes[i] = Pipe.open();
      Pipe.SourceChannel sc = pipes[i].source();
      sc.configureBlocking(false);
      sc.register(sel, SelectionKey.OP_READ);
      Pipe.SinkChannel sc2 = pipes[i].sink();
      sc2.configureBlocking(false);
      sc2.register(sel, SelectionKey.OP_WRITE);
    }

    for (int i = 0; i < LOOPS; i++) {
      sink.write(ByteBuffer.allocate(BUF_SIZE));
      int x = sel.selectNow();
      sel.selectedKeys().clear();
      source.read(ByteBuffer.allocate(BUF_SIZE));
    }

    for (int i = 0; i < PIPES_COUNT; i++) {
      pipes[i].sink().close();
      pipes[i].source().close();
    }
    pipe.sink().close();
    pipe.source().close();
    sel.close();
  }
 public PingClient() throws IOException {
   selector = Selector.open();
   Connector connector = new Connector();
   Printer printer = new Printer();
   connector.start();
   printer.start();
   receiveTarget();
 }
Esempio n. 3
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  public Overlord() {
    try {
      selector = Selector.open();
      queue = new ConcurrentLinkedQueue<Communicator>();

      // open the pipe and register it with our selector
      pipe = Pipe.open();
      pipe.sink().configureBlocking(false);
      pipe.source().configureBlocking(false);
      pipe.source().register(selector, SelectionKey.OP_READ);
    } catch (IOException e) {
      throw new RuntimeException("select() failed");
    }
  }
Esempio n. 4
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  public static void main(String[] args) {
    port[0] = -1;

    try {
      reader = new BufferedReader(new InputStreamReader(System.in));
      clients = new LinkedHashMap<String, SocketChannel>();
      selector = Selector.open();
      List<SocketChannel> anonymousClients = new ArrayList<SocketChannel>();

      serverSocket = ServerSocketChannel.open();
      serverSocket.configureBlocking(false);

      while (true) {
        readCommand();
        checkClients(anonymousClients);
      }

    } catch (Exception expt) {
      Utils.printErrorAndExit("Error: " + expt.getMessage());
    }
  }
    public ServerThread() throws IOException {
      setName("DefaultTCPTransportMapping_" + getAddress());
      buf = new byte[getMaxInboundMessageSize()];
      // Selector for incoming requests
      selector = Selector.open();

      if (serverEnabled) {
        // Create a new server socket and set to non blocking mode
        ssc = ServerSocketChannel.open();
        ssc.configureBlocking(false);

        // Bind the server socket
        InetSocketAddress isa =
            new InetSocketAddress(tcpAddress.getInetAddress(), tcpAddress.getPort());
        ssc.socket().bind(isa);
        // Register accepts on the server socket with the selector. This
        // step tells the selector that the socket wants to be put on the
        // ready list when accept operations occur, so allowing multiplexed
        // non-blocking I/O to take place.
        ssc.register(selector, SelectionKey.OP_ACCEPT);
      }
    }
Esempio n. 6
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  public void run() {
    try {
      mySelector = Selector.open();
      bRunReactor = true;
    } catch (IOException e) {
      throw new RuntimeException("Could not open selector", e);
    }

    while (bRunReactor) {
      runLoopbreaks();
      if (!bRunReactor) break;

      runTimers();
      if (!bRunReactor) break;

      removeUnboundConnections();
      checkIO();
      addNewConnections();
      processIO();
    }

    close();
  }
Esempio n. 7
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  private void go() throws IOException {
    // Create a new selector
    Selector selector = Selector.open();

    // Open a listener on each port, and register each one
    // with the selector
    for (int i = 0; i < ports.length; ++i) {
      ServerSocketChannel ssc = ServerSocketChannel.open();
      ssc.configureBlocking(false);
      ServerSocket ss = ssc.socket();
      InetSocketAddress address = new InetSocketAddress(ports[i]);
      ss.bind(address);

      SelectionKey key = ssc.register(selector, SelectionKey.OP_ACCEPT);

      System.out.println("Going to listen on " + ports[i]);
    }

    while (true) {
      int num = selector.select();

      Set selectedKeys = selector.selectedKeys();
      Iterator it = selectedKeys.iterator();

      while (it.hasNext()) {
        SelectionKey key = (SelectionKey) it.next();

        if ((key.readyOps() & SelectionKey.OP_ACCEPT) == SelectionKey.OP_ACCEPT) {
          // Accept the new connection
          ServerSocketChannel ssc = (ServerSocketChannel) key.channel();
          SocketChannel sc = ssc.accept();
          sc.configureBlocking(false);

          // Add the new connection to the selector
          SelectionKey newKey = sc.register(selector, SelectionKey.OP_READ);
          it.remove();

          System.out.println("Got connection from " + sc);
        } else if ((key.readyOps() & SelectionKey.OP_READ) == SelectionKey.OP_READ) {
          // Read the data
          SocketChannel sc = (SocketChannel) key.channel();

          // Echo data
          int bytesEchoed = 0;
          while (true) {
            echoBuffer.clear();

            int r = sc.read(echoBuffer);

            if (r <= 0) {
              break;
            }

            echoBuffer.flip();

            sc.write(echoBuffer);
            bytesEchoed += r;
          }

          System.out.println("Echoed " + bytesEchoed + " from " + sc);

          it.remove();
        }
      }

      // System.out.println( "going to clear" );
      //      selectedKeys.clear();
      // System.out.println( "cleared" );
    }
  }
Esempio n. 8
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 Dispatcher1() throws IOException {
   sel = Selector.open();
 }
Esempio n. 9
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 Connector(Printer pr) throws IOException {
   printer = pr;
   sel = Selector.open();
   setName("Connector");
 }