Examples of org.jboss.netty.channel.group.ChannelGroupFuture

org.jboss.netty.channel.group.ChannelGroupFuture
- NEVER DO THIS public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) { if (e.getMessage() instanceof ShutdownMessage) { ChannelGroup allChannels = MyServer.getAllChannels(); ChannelGroupFuture future = allChannels.close(); future.awaitUninterruptibly(); // Perform post-shutdown operation // ... } } // GOOD public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) { if (e.getMessage() instanceof ShutdownMessage) { ChannelGroup allChannels = MyServer.getAllChannels(); ChannelGroupFuture future = allChannels.close(); future.addListener(new ChannelGroupFutureListener() { public void operationComplete(ChannelGroupFuture future) { // Perform post-closure operation // ... } }); } }
In spite of the disadvantages mentioned above, there are certainly the cases where it is more convenient to call {@link #await()}. In such a case, please make sure you do not call {@link #await()} in an I/O thread. Otherwise,{@link IllegalStateException} will be raised to prevent a dead lock. @author The Netty Project (netty-dev@lists.jboss.org) @author Trustin Lee (tlee@redhat.com) @version $Rev: 1262 $, $Date: 2009-04-28 22:35:55 +0900 (Tue, 28 Apr 2009) $ @apiviz.owns org.jboss.netty.channel.group.ChannelGroupFutureListener - - notifies


    // Added by Alex 2010-08-09
    if (channel != null) {
      channel.close();
    }
    ChannelGroupFuture future = allChannels.close();
    future.awaitUninterruptibly();
    channel.getFactory().releaseExternalResources();
    
  }

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    protected void doStop() throws Exception {
        LOG.debug("Netty consumer unbinding from: {}", configuration.getAddress());


        // close all channels
        LOG.trace("Closing {} channels", allChannels.size());
        ChannelGroupFuture future = allChannels.close();
        future.awaitUninterruptibly();


        // close server external resources
        if (channelFactory != null) {
            channelFactory.releaseExternalResources();
        }

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                    gate.acquire();
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
            }
            ChannelGroupFuture future = channels.write(buffer);
            future.addListener(new ChannelGroupFutureListener() {
                @Override
                public void operationComplete(ChannelGroupFuture future) throws Exception {
                    master.sentBytes(reportBytes * peerCount);
                    state.returnSendBuffer(buffer);
                    if (watcher != null) {

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        public boolean shutdown(long timeout, TimeUnit unit) throws InterruptedException {
            // Make sure we skip creating connection from now on.
            isShutdown = true;


            long start = System.nanoTime();
            ChannelGroupFuture future = allChannels.close();


            channelFactory.releaseExternalResources();


            return future.await(timeout, unit)
                && bossExecutor.awaitTermination(timeout - Cluster.timeSince(start, unit), unit)
                && workerExecutor.awaitTermination(timeout - Cluster.timeSince(start, unit), unit);
        }

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    @Override
    protected void doStop() throws Exception {
        LOG.debug("Stopping producer at address: {}", configuration.getAddress());
        // close all channels
        ChannelGroupFuture future = ALL_CHANNELS.close();
        future.awaitUninterruptibly();


        // and then release other resources
        if (channelFactory != null) {
            channelFactory.releaseExternalResources();
        }

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    @Override
    protected void doStop() throws Exception {
        LOG.debug("Netty consumer unbinding from: {}", configuration.getAddress());


        // close all channels
        ChannelGroupFuture future = allChannels.close();
        future.awaitUninterruptibly();


        // and then release other resources
        if (channelFactory != null) {
            channelFactory.releaseExternalResources();
        }

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    // No-op.
  }
  
  @Override
  public void close() {
    ChannelGroupFuture future = allChannels.close();
    future.awaitUninterruptibly();
    channelFactory.releaseExternalResources();
    closed.countDown();
  }

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        public boolean shutdown(long timeout, TimeUnit unit) throws InterruptedException {
            // Make sure we skip creating connection from now on.
            isShutdown = true;


            long start = System.nanoTime();
            ChannelGroupFuture future = allChannels.close();


            channelFactory.releaseExternalResources();
            timer.stop();


            return future.await(timeout, unit)
                && bossExecutor.awaitTermination(timeout - Cluster.timeSince(start, unit), unit)
                && workerExecutor.awaitTermination(timeout - Cluster.timeSince(start, unit), unit);
        }

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         httpKeepAliveRunnable.close();
      }


      // serverChannelGroup has been unbound in pause()
      serverChannelGroup.close().awaitUninterruptibly();
      ChannelGroupFuture future = channelGroup.close().awaitUninterruptibly();


      if (!future.isCompleteSuccess())
      {
         NettyAcceptor.log.warn("channel group did not completely close");
         Iterator<Channel> iterator = future.getGroup().iterator();
         while (iterator.hasNext())
         {
            Channel channel = iterator.next();
            if (channel.isBound())
            {

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      {
         return;
      }


      // We *pause* the acceptor so no new connections are made
      ChannelGroupFuture future = serverChannelGroup.unbind().awaitUninterruptibly();
      if (!future.isCompleteSuccess())
      {
         NettyAcceptor.log.warn("server channel group did not completely unbind");
         Iterator<Channel> iterator = future.getGroup().iterator();
         while (iterator.hasNext())
         {
            Channel channel = iterator.next();
            if (channel.isBound())
            {

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