Example #1
0
  void register(SctpChannelImpl channel, ChannelFuture future) {

    boolean server = !(channel instanceof SctpClientChannel);
    Runnable registerTask = new RegisterTask(channel, future, server);
    notificationHandler = new SctpNotificationHandler(channel);
    Selector selector;

    synchronized (startStopLock) {
      if (!started) {
        // Open a selector if this worker didn't start yet.
        try {
          this.selector = selector = Selector.open();
        } catch (Throwable t) {
          throw new ChannelException("Failed to create a selector.", t);
        }

        // Start the worker thread with the new Selector.
        boolean success = false;
        try {
          DeadLockProofWorker.start(executor, this);
          success = true;
        } finally {
          if (!success) {
            // Release the Selector if the execution fails.
            try {
              selector.close();
            } catch (Throwable t) {
              if (logger.isWarnEnabled()) {
                logger.warn("Failed to close a selector.", t);
              }
            }
            this.selector = selector = null;
            // The method will return to the caller at this point.
          }
        }
      } else {
        // Use the existing selector if this worker has been started.
        selector = this.selector;
      }

      assert selector != null && selector.isOpen();

      started = true;
      boolean offered = registerTaskQueue.offer(registerTask);
      assert offered;
    }

    if (wakenUp.compareAndSet(false, true)) {
      selector.wakeup();
    }
  }
Example #2
0
  private void bind(
      SctpServerChannelImpl channel, ChannelFuture future, SocketAddress localAddress) {

    boolean bound = false;
    boolean bossStarted = false;
    try {
      channel.serverChannel.bind(localAddress, channel.getConfig().getBacklog());
      bound = true;
      channel.setBound();
      future.setSuccess();
      fireChannelBound(channel, channel.getLocalAddress());

      Executor bossExecutor = ((SctpServerSocketChannelFactory) channel.getFactory()).bossExecutor;
      DeadLockProofWorker.start(bossExecutor, new Boss(channel));
      bossStarted = true;
    } catch (Throwable t) {
      future.setFailure(t);
      fireExceptionCaught(channel, t);
    } finally {
      if (!bossStarted && bound) {
        close(channel, future);
      }
    }
  }