org.jboss.netty.channel.ChannelFactory Java Examples

public void startup(int port) {
	
	ChannelFactory channelFactory = new NioDatagramChannelFactory(Executors.newCachedThreadPool());
	
	bootstrap = new ConnectionlessBootstrap( channelFactory );
	bootstrap.setOption("reuseAddress", false);
	bootstrap.setOption("child.reuseAddress", false);		
	bootstrap.setOption("readBufferSize", 1024 * 1024 * 15); //15M
	bootstrap.setOption("writeBufferSize", 1024 * 20);		
	bootstrap.setOption("receiveBufferSizePredictor", new FixedReceiveBufferSizePredictor(1024 * 3));
	bootstrap.setOption("receiveBufferSizePredictorFactory", new FixedReceiveBufferSizePredictorFactory(1024 * 3));
	bootstrap.setPipelineFactory( new ChannelPipelineFactory() {
		@Override
		public ChannelPipeline getPipeline() throws Exception {
			ChannelPipeline pipeline = Channels.pipeline();
			pipeline.addLast("handler", new UdpServerChannelHandler());
			return pipeline;
		}			
	});		
	datagramChannel = (DatagramChannel) bootstrap.bind( new InetSocketAddress( port ) );
}
 

public void release() {
    if (this.closed.isClosed()) {
        return;
    }
    if (!this.closed.close()) {
        return;
    }

    if (!useExternalResource) {
        final ChannelFactory channelFactory = this.channelFactory;
        if (channelFactory != null) {
            channelFactory.releaseExternalResources();
        }
        Set<Timeout> stop = this.timer.stop();
        if (!stop.isEmpty()) {
            logger.info("stop Timeout:{}", stop.size());
        }

        // stop, cancel something?
    }
}
 

public void run() {
  // Configure the client.
  ChannelFactory factory = new NioClientSocketChannelFactory(
      Executors.newCachedThreadPool(), Executors.newCachedThreadPool(), 1, 1);
  ClientBootstrap bootstrap = new ClientBootstrap(factory);

  // Set up the pipeline factory.
  bootstrap.setPipelineFactory(setPipelineFactory());

  bootstrap.setOption("tcpNoDelay", true);
  bootstrap.setOption("keepAlive", true);

  // Start the connection attempt.
  ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));

  if (oneShot) {
    // Wait until the connection is closed or the connection attempt fails.
    future.getChannel().getCloseFuture().awaitUninterruptibly();

    // Shut down thread pools to exit.
    bootstrap.releaseExternalResources();
  }
}
 

@Inject
public ThriftModuleLifeCycle(
        Provider<CommandDispatcher> commandDispatcherProvider,
        @DefaultClientFactory Provider<PinpointClientFactory> clientFactoryProvider,
        @AgentDataSender Provider<EnhancedDataSender<Object>> tcpDataSenderProvider,
        @SpanStatConnectTimer Provider<Timer> spanStatConnectTimerProvider,
        @SpanStatChannelFactory Provider<ChannelFactory> spanStatChannelFactoryProvider,
        @SpanClientFactory Provider<PinpointClientFactory> spanClientFactoryProvider,
        @StatClientFactory Provider<PinpointClientFactory> statClientFactoryProvider,
        @SpanDataSender Provider<DataSender> spanDataSenderProvider,
        @StatDataSender Provider<DataSender> statDataSenderProvider
        ) {
    this.commandDispatcherProvider = Assert.requireNonNull(commandDispatcherProvider, "commandDispatcherProvider");
    this.clientFactoryProvider = Assert.requireNonNull(clientFactoryProvider, "clientFactoryProvider");
    this.tcpDataSenderProvider = Assert.requireNonNull(tcpDataSenderProvider, "tcpDataSenderProvider");

    this.spanStatConnectTimerProvider = Assert.requireNonNull(spanStatConnectTimerProvider, "spanStatConnectTimerProvider");

    this.spanStatChannelFactoryProvider = Assert.requireNonNull(spanStatChannelFactoryProvider, "spanStatChannelFactoryProvider");

    this.spanClientFactoryProvider = Assert.requireNonNull(spanClientFactoryProvider, "spanClientFactoryProvider");
    this.statClientFactoryProvider = Assert.requireNonNull(statClientFactoryProvider, "statClientFactoryProvider");

    this.spanDataSenderProvider = Assert.requireNonNull(spanDataSenderProvider, "spanDataSenderProvider");
    this.statDataSenderProvider = Assert.requireNonNull(statDataSenderProvider, "statDataSenderProvider");
}
 

public void run() {
  // Configure the client.
  ChannelFactory factory = new NioClientSocketChannelFactory(
      Executors.newCachedThreadPool(), Executors.newCachedThreadPool(), 1, 1);
  ClientBootstrap bootstrap = new ClientBootstrap(factory);

  // Set up the pipeline factory.
  bootstrap.setPipelineFactory(setPipelineFactory());

  bootstrap.setOption("tcpNoDelay", true);
  bootstrap.setOption("keepAlive", true);

  // Start the connection attempt.
  ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));

  if (oneShot) {
    // Wait until the connection is closed or the connection attempt fails.
    future.getChannel().getCloseFuture().awaitUninterruptibly();

    // Shut down thread pools to exit.
    bootstrap.releaseExternalResources();
  }
}
 

@Override
public ChannelFactory get() {
    int workerCount = 0;

    if ("TCP".equalsIgnoreCase(thriftTransportConfig.getSpanDataSenderTransportType())) {
        workerCount++;
    }
    if ("TCP".equalsIgnoreCase(thriftTransportConfig.getStatDataSenderTransportType())) {
        workerCount++;
    }

    if (workerCount == 0) {
        return null;
    } else {
        Timer timer = connectTimerProvider.get();

        final ClientChannelFactory clientChannelFactory = new ClientChannelFactory();
        return clientChannelFactory.createChannelFactory(1, workerCount, timer);
    }
}
 

@Override
public void start() {
  ChannelFactory factory = new NioServerSocketChannelFactory(
      Executors.newCachedThreadPool(), Executors.newCachedThreadPool());

  ServerBootstrap serverBootstrap = new ServerBootstrap(factory);
  serverBootstrap.setPipelineFactory(new ChannelPipelineFactory() {
    @Override
    public ChannelPipeline getPipeline() {
      syslogTcpHandler handler = new syslogTcpHandler();
      handler.setEventSize(eventSize);
      handler.setFormater(formaterProp);
      return Channels.pipeline(handler);
    }
  });

  logger.info("Syslog TCP Source starting...");

  if (host == null) {
    nettyChannel = serverBootstrap.bind(new InetSocketAddress(port));
  } else {
    nettyChannel = serverBootstrap.bind(new InetSocketAddress(host, port));
  }

  super.start();
}
 

/**
  * Starts the BGP peer.
  *
  * @param connectToSocket the socket to connect to
  */
 private void connect(InetSocketAddress connectToSocket)
     throws InterruptedException {

     ChannelFactory channelFactory =
         new NioClientSocketChannelFactory(
                 Executors.newCachedThreadPool(),
                 Executors.newCachedThreadPool());
     ChannelPipelineFactory pipelineFactory = () -> {
         ChannelPipeline pipeline = Channels.pipeline();
         pipeline.addLast("BgpPeerFrameDecoderTest",
                 peerFrameDecoder);
         pipeline.addLast("BgpPeerChannelHandlerTest",
                 peerChannelHandler);
         return pipeline;
     };

     peerBootstrap = new ClientBootstrap(channelFactory);
     peerBootstrap.setOption("child.keepAlive", true);
     peerBootstrap.setOption("child.tcpNoDelay", true);
     peerBootstrap.setPipelineFactory(pipelineFactory);
     peerBootstrap.connect(connectToSocket);
}
 

@Override
public void doOpen() throws Throwable {
    ExecutorService boss = Executors.newCachedThreadPool(new NamedThreadFactory("NettyServerBoss", false));
       ExecutorService worker = Executors.newCachedThreadPool(new NamedThreadFactory("NettyServerWorker", true));
       int ioThread = conf.getInt(Constants.IO_THREADS,Constants.DEFAULT_IO_THREADS);
       ChannelFactory channelFactory = new NioServerSocketChannelFactory(boss, worker, ioThread);
       bootstrap = new ServerBootstrap(channelFactory);
       
       final NettyHandler nettyHandler = new NettyHandler(getConf(), this);
       channels = nettyHandler.getChannels();
       bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
           public ChannelPipeline getPipeline() {
               NettyCodecAdapter adapter = new NettyCodecAdapter(conf,getCodec(), NettyServer.this);
               ChannelPipeline pipeline = Channels.pipeline();
               pipeline.addLast("decoder", adapter.getDecoder());
               pipeline.addLast("encoder", adapter.getEncoder());
               pipeline.addLast("handler", nettyHandler);
               return pipeline;
           }
       });
       // bind
       channel = bootstrap.bind(getBindAddress());
}
 

private Channel connectFrom(InetSocketAddress connectToSocket, SocketAddress localAddress)
     throws InterruptedException {

     ChannelFactory channelFactory =
         new NioClientSocketChannelFactory(
                 Executors.newCachedThreadPool(),
                 Executors.newCachedThreadPool());
     ChannelPipelineFactory pipelineFactory = () -> {
         ChannelPipeline pipeline = Channels.pipeline();
         pipeline.addLast("BgpPeerFrameDecoderTest",
                 peerFrameDecoder);
         pipeline.addLast("BgpPeerChannelHandlerTest",
                 peerChannelHandler);
         return pipeline;
     };

     peerBootstrap = new ClientBootstrap(channelFactory);
     peerBootstrap.setOption("child.keepAlive", true);
     peerBootstrap.setOption("child.tcpNoDelay", true);
     peerBootstrap.setPipelineFactory(pipelineFactory);
     Channel channel = peerBootstrap.connect(connectToSocket, localAddress).getChannel();
     return channel;
}
 

public ChannelFactory createChannelFactory(int bossCount, int workerCount, Timer timer) {
    ExecutorService boss = newCachedThreadPool("Pinpoint-Client-Boss");
    BossPool bossPool = new NioClientBossPool(boss, bossCount, timer, ThreadNameDeterminer.CURRENT);

    ExecutorService worker = newCachedThreadPool("Pinpoint-Client-Worker");
    WorkerPool workerPool = new NioWorkerPool(worker, workerCount, ThreadNameDeterminer.CURRENT);
    return new NioClientSocketChannelFactory(bossPool, workerPool);
}
 

public DefaultPinpointClientFactory(ChannelFactory channelFactory, Timer timer, ConnectionFactoryProvider connectionFactoryProvider) {
    this.channelFactory = Assert.requireNonNull(channelFactory, "channelFactory");
    this.timer = Assert.requireNonNull(timer, "timer");

    this.useExternalResource = true;
    this.socketOptionBuilder = new SocketOption.Builder();
    this.connectionFactoryProvider = Assert.requireNonNull(connectionFactoryProvider, "connectionFactoryProvider");
}
 

@Override
protected void doOpen() throws Throwable {
    NettyHelper.setNettyLoggerFactory();
    ExecutorService boss = Executors.newCachedThreadPool(new NamedThreadFactory("NettyServerBoss", true));
    ExecutorService worker = Executors.newCachedThreadPool(new NamedThreadFactory("NettyServerWorker", true));
    ChannelFactory channelFactory = new NioServerSocketChannelFactory(boss, worker, getUrl().getPositiveParameter(Constants.IO_THREADS_KEY, Constants.DEFAULT_IO_THREADS));
    bootstrap = new ServerBootstrap(channelFactory);

    final NettyHandler nettyHandler = new NettyHandler(getUrl(), this);
    channels = nettyHandler.getChannels();
    // https://issues.jboss.org/browse/NETTY-365
    // https://issues.jboss.org/browse/NETTY-379
    // final Timer timer = new HashedWheelTimer(new NamedThreadFactory("NettyIdleTimer", true));
    bootstrap.setOption("child.tcpNoDelay", true);
    bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
        @Override
        public ChannelPipeline getPipeline() {
            NettyCodecAdapter adapter = new NettyCodecAdapter(getCodec(), getUrl(), NettyServer.this);
            ChannelPipeline pipeline = Channels.pipeline();
            /*int idleTimeout = getIdleTimeout();
            if (idleTimeout > 10000) {
                pipeline.addLast("timer", new IdleStateHandler(timer, idleTimeout / 1000, 0, 0));
            }*/
            pipeline.addLast("decoder", adapter.getDecoder());
            pipeline.addLast("encoder", adapter.getEncoder());
            pipeline.addLast("handler", nettyHandler);
            return pipeline;
        }
    });
    // bind
    channel = bootstrap.bind(getBindAddress());
}
 

private void startServer() {
    HashedWheelTimer timer = new HashedWheelTimer(
            groupedThreads("onos/fpm", "fpm-timer-%d", log));

    ChannelFactory channelFactory = new NioServerSocketChannelFactory(
            newCachedThreadPool(groupedThreads("onos/fpm", "sm-boss-%d", log)),
            newCachedThreadPool(groupedThreads("onos/fpm", "sm-worker-%d", log)));
    ChannelPipelineFactory pipelineFactory = () -> {
        // Allocate a new session per connection
        IdleStateHandler idleHandler =
                new IdleStateHandler(timer, IDLE_TIMEOUT_SECS, 0, 0);
        FpmSessionHandler fpmSessionHandler =
                new FpmSessionHandler(this, new InternalFpmListener());
        FpmFrameDecoder fpmFrameDecoder = new FpmFrameDecoder();

        // Setup the processing pipeline
        ChannelPipeline pipeline = Channels.pipeline();
        pipeline.addLast("FpmFrameDecoder", fpmFrameDecoder);
        pipeline.addLast("idle", idleHandler);
        pipeline.addLast("FpmSession", fpmSessionHandler);
        return pipeline;
    };

    InetSocketAddress listenAddress = new InetSocketAddress(FPM_PORT);

    serverBootstrap = new ServerBootstrap(channelFactory);
    serverBootstrap.setOption("child.reuseAddr", true);
    serverBootstrap.setOption("child.keepAlive", true);
    serverBootstrap.setOption("child.tcpNoDelay", true);
    serverBootstrap.setPipelineFactory(pipelineFactory);
    try {
        serverChannel = serverBootstrap.bind(listenAddress);
        allChannels.add(serverChannel);
    } catch (ChannelException e) {
        log.debug("Exception binding to FPM port {}: ",
                listenAddress.getPort(), e);
        stopServer();
    }
}
 

public void start() {
    log.debug("BGP Session Manager start.");
    isShutdown = false;

    ChannelFactory channelFactory = new NioServerSocketChannelFactory(
            newCachedThreadPool(groupedThreads("onos/bgp", "sm-boss-%d", log)),
            newCachedThreadPool(groupedThreads("onos/bgp", "sm-worker-%d", log)));
    ChannelPipelineFactory pipelineFactory = () -> {
        // Allocate a new session per connection
        BgpSession bgpSessionHandler =
                new BgpSession(BgpSessionManager.this);
        BgpFrameDecoder bgpFrameDecoder =
                new BgpFrameDecoder(bgpSessionHandler);

        // Setup the processing pipeline
        ChannelPipeline pipeline = Channels.pipeline();
        pipeline.addLast("BgpFrameDecoder", bgpFrameDecoder);
        pipeline.addLast("BgpSession", bgpSessionHandler);
        return pipeline;
    };
    InetSocketAddress listenAddress =
            new InetSocketAddress(bgpPort);

    serverBootstrap = new ServerBootstrap(channelFactory);
    // serverBootstrap.setOptions("reuseAddr", true);
    serverBootstrap.setOption("child.keepAlive", true);
    serverBootstrap.setOption("child.tcpNoDelay", true);
    serverBootstrap.setPipelineFactory(pipelineFactory);
    try {
        serverChannel = serverBootstrap.bind(listenAddress);
        allChannels.add(serverChannel);
    } catch (ChannelException e) {
        log.debug("Exception binding to BGP port {}: ",
                  listenAddress.getPort(), e);
    }
}
 

public NioSocketChannel(
        Channel parent, ChannelFactory factory,
        ChannelPipeline pipeline, ChannelSink sink,
        SocketChannel socket, NioWorker worker) {
    super(parent, factory, pipeline, sink, worker, socket);
    config = new DefaultNioSocketChannelConfig(socket.socket());
}
 

NioClientSocketChannel(
        ChannelFactory factory, ChannelPipeline pipeline,
        ChannelSink sink, NioWorker worker) {

    super(null, factory, pipeline, sink, newSocket(), worker);
    fireChannelOpen(this);
}
 

protected AbstractNioChannel(
        Integer id, Channel parent, ChannelFactory factory, ChannelPipeline pipeline,
        ChannelSink sink, AbstractNioWorker worker, C ch) {
    super(id, parent, factory, pipeline, sink);
    this.worker = worker;
    channel = ch;
}
 

protected AbstractNioChannel(
        Channel parent, ChannelFactory factory,
        ChannelPipeline pipeline, ChannelSink sink, AbstractNioWorker worker, C ch)  {
    super(parent, factory, pipeline, sink);
    this.worker = worker;
    channel = ch;
}
 

/**
 * Sets the {@link ChannelFactory} that will be used to perform an I/O
 * operation.  This method can be called only once and can't be called at
 * all if the factory was specified in the constructor.
 *
 * @throws IllegalStateException
 *         if the factory is already set
 */
public void setFactory(ChannelFactory factory) {
    if (factory == null) {
        throw new NullPointerException("factory");
    }
    if (this.factory != null) {
        throw new IllegalStateException(
                "factory can't change once set.");
    }
    this.factory = factory;
}
 

/**
 * This method simply delegates the call to
 * {@link ChannelFactory#releaseExternalResources()}.
 */
public void releaseExternalResources() {
    ChannelFactory factory = this.factory;
    if (factory != null) {
        factory.releaseExternalResources();
    }
}
 

/**
 * This method simply delegates the call to
 * {@link ChannelFactory#shutdown()}.
 */
public void shutdown() {
    ChannelFactory factory = this.factory;
    if (factory != null) {
        factory.shutdown();
    }
}
 

@SuppressWarnings("rawtypes")
NettyClientAsync(Map conf, ChannelFactory factory, String host, int port, ReconnectRunnable reconnector, final Set<Integer> sourceTasks, final Set<Integer> targetTasks) {
    super(conf, factory, host, port, reconnector);

    clientChannelFactory = factory;
    initFlowCtrl(conf, sourceTasks, targetTasks);
    
    flushCheckInterval = Utils.getInt(conf.get(Config.STORM_NETTY_FLUSH_CHECK_INTERVAL_MS), 5);
    flusher = new NettyClientFlush(flushCheckInterval);
    flusher.start();

    start();
}
 

/**
 * @param channelFactory
 * @param listenAddress
 * @param port
 * @param channelPipelineFactory
 * @return Channel
 */
private Channel initChannel(ChannelFactory channelFactory, InetSocketAddress address, ChannelPipelineFactory channelPipelineFactory) {
    ServerBootstrap bootstrap = new ServerBootstrap(channelFactory);
    bootstrap.setPipelineFactory(channelPipelineFactory);
    bootstrap.setOption("child.bufferFactory", HeapChannelBufferFactory.getInstance(ByteOrder.LITTLE_ENDIAN));
    bootstrap.setOption("child.tcpNoDelay", true);
    bootstrap.setOption("child.keepAlive", true);
    bootstrap.setOption("child.reuseAddress", true);
    bootstrap.setOption("child.connectTimeoutMillis", 100);
    bootstrap.setOption("readWriteFair", true);

    return bootstrap.bind(address);
}
 

ConnectionFactory(Timer connectTimer, Closed closed, ChannelFactory channelFactory,
                         SocketOption socketOption, ClientOption clientOption, ClientHandlerFactory clientHandlerFactory, PipelineFactory pipelineFactory) {

    this.connectTimer = Assert.requireNonNull(connectTimer, "connectTimer");
    this.closed = Assert.requireNonNull(closed, "release");

    this.channelFactory = Assert.requireNonNull(channelFactory, "channelFactory");

    this.socketOption = Assert.requireNonNull(socketOption, "option");
    this.clientOption = Assert.requireNonNull(clientOption, "connectTimer");
    this.clientHandlerFactory = Assert.requireNonNull(clientHandlerFactory, "clientHandlerFactory");
    this.pipelineFactory = Assert.requireNonNull(pipelineFactory, "pipelineFactory");
}
 

@Override
protected void doOpen() throws Throwable {
    NettyHelper.setNettyLoggerFactory();
    ExecutorService boss = Executors.newCachedThreadPool(new NamedThreadFactory("NettyServerBoss", true));
    ExecutorService worker = Executors.newCachedThreadPool(new NamedThreadFactory("NettyServerWorker", true));
    ChannelFactory channelFactory = new NioServerSocketChannelFactory(boss, worker, getUrl().getPositiveParameter(Constants.IO_THREADS_KEY, Constants.DEFAULT_IO_THREADS));
    bootstrap = new ServerBootstrap(channelFactory);
    
    final NettyHandler nettyHandler = new NettyHandler(getUrl(), this);
    channels = nettyHandler.getChannels();
    // https://issues.jboss.org/browse/NETTY-365
    // https://issues.jboss.org/browse/NETTY-379
    // final Timer timer = new HashedWheelTimer(new NamedThreadFactory("NettyIdleTimer", true));
    bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
        public ChannelPipeline getPipeline() {
            NettyCodecAdapter adapter = new NettyCodecAdapter(getCodec() ,getUrl(), NettyServer.this);
            ChannelPipeline pipeline = Channels.pipeline();
            /*int idleTimeout = getIdleTimeout();
            if (idleTimeout > 10000) {
                pipeline.addLast("timer", new IdleStateHandler(timer, idleTimeout / 1000, 0, 0));
            }*/
            pipeline.addLast("decoder", adapter.getDecoder());
            pipeline.addLast("encoder", adapter.getEncoder());
            pipeline.addLast("handler", nettyHandler);
            return pipeline;
        }
    });
    // bind
    channel = bootstrap.bind(getBindAddress());
}
 

public TcpMeta(String command, int tcpPort, int tcpConnectTimeoutMillis,
        int tcpIdleTimeoutSec,
        ChannelFactory channelFactory) {
    super();
    this.command = command;
    this.tcpPort = tcpPort;
    this.tcpConnectTimeoutMillis = tcpConnectTimeoutMillis;
    this.tcpIdleTimeoutSec = tcpIdleTimeoutSec;
    this.channelFactory = channelFactory;
    
}
 

@Override
protected void doOpen() throws Throwable {
    NettyHelper.setNettyLoggerFactory();
    ExecutorService boss = Executors.newCachedThreadPool(new NamedThreadFactory("NettyServerBoss", true));
    ExecutorService worker = Executors.newCachedThreadPool(new NamedThreadFactory("NettyServerWorker", true));
    ChannelFactory channelFactory = new NioServerSocketChannelFactory(boss, worker, getUrl().getPositiveParameter(Constants.IO_THREADS_KEY, Constants.DEFAULT_IO_THREADS));
    bootstrap = new ServerBootstrap(channelFactory);
    
    final NettyHandler nettyHandler = new NettyHandler(getUrl(), this);
    channels = nettyHandler.getChannels();
    // https://issues.jboss.org/browse/NETTY-365
    // https://issues.jboss.org/browse/NETTY-379
    // final Timer timer = new HashedWheelTimer(new NamedThreadFactory("NettyIdleTimer", true));
    bootstrap.setPipelineFactory(() -> {
        NettyCodecAdapter adapter = new NettyCodecAdapter(getCodec() ,getUrl(), NettyServer.this);
        ChannelPipeline pipeline = Channels.pipeline();
        /*int idleTimeout = getIdleTimeout();
        if (idleTimeout > 10000) {
            pipeline.addLast("timer", new IdleStateHandler(timer, idleTimeout / 1000, 0, 0));
        }*/
        pipeline.addLast("decoder", adapter.getDecoder());
        pipeline.addLast("encoder", adapter.getEncoder());
        pipeline.addLast("handler", nettyHandler);
        return pipeline;
    });
    // bind
    channel = bootstrap.bind(getBindAddress());
}
 

public TSOClientRaw(String host, int port) throws InterruptedException, ExecutionException {
    // Start client with Nb of active threads = 3 as maximum.
    ChannelFactory factory = new NioClientSocketChannelFactory(
            Executors.newCachedThreadPool(
                    new ThreadFactoryBuilder().setNameFormat("tsoclient-boss-%d").build()),
            Executors.newCachedThreadPool(
                    new ThreadFactoryBuilder().setNameFormat("tsoclient-worker-%d").build()), 3);
    // Create the bootstrap
    ClientBootstrap bootstrap = new ClientBootstrap(factory);

    InetSocketAddress addr = new InetSocketAddress(host, port);

    ChannelPipeline pipeline = bootstrap.getPipeline();
    pipeline.addLast("lengthbaseddecoder",
            new LengthFieldBasedFrameDecoder(8 * 1024, 0, 4, 0, 4));
    pipeline.addLast("lengthprepender", new LengthFieldPrepender(4));
    pipeline.addLast("protobufdecoder",
            new ProtobufDecoder(TSOProto.Response.getDefaultInstance()));
    pipeline.addLast("protobufencoder", new ProtobufEncoder());

    Handler handler = new Handler();
    pipeline.addLast("handler", handler);

    bootstrap.setOption("tcpNoDelay", true);
    bootstrap.setOption("keepAlive", true);
    bootstrap.setOption("reuseAddress", true);
    bootstrap.setOption("connectTimeoutMillis", 100);

    ChannelFuture channelFuture = bootstrap.connect(addr).await();
    channel = channelFuture.getChannel();
}
 

@Override
protected void doOpen() throws Throwable {
    NettyHelper.setNettyLoggerFactory();
    ExecutorService boss = Executors.newCachedThreadPool(new NamedThreadFactory("NettyServerBoss", true));
    ExecutorService worker = Executors.newCachedThreadPool(new NamedThreadFactory("NettyServerWorker", true));
    ChannelFactory channelFactory = new NioServerSocketChannelFactory(boss, worker, getUrl().getPositiveParameter(Constants.IO_THREADS_KEY, Constants.DEFAULT_IO_THREADS));
    bootstrap = new ServerBootstrap(channelFactory);
    
    final NettyHandler nettyHandler = new NettyHandler(getUrl(), this);
    channels = nettyHandler.getChannels();
    // https://issues.jboss.org/browse/NETTY-365
    // https://issues.jboss.org/browse/NETTY-379
    // final Timer timer = new HashedWheelTimer(new NamedThreadFactory("NettyIdleTimer", true));
    bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
        public ChannelPipeline getPipeline() {
            NettyCodecAdapter adapter = new NettyCodecAdapter(getCodec() ,getUrl(), NettyServer.this);
            ChannelPipeline pipeline = Channels.pipeline();
            /*int idleTimeout = getIdleTimeout();
            if (idleTimeout > 10000) {
                pipeline.addLast("timer", new IdleStateHandler(timer, idleTimeout / 1000, 0, 0));
            }*/
            pipeline.addLast("decoder", adapter.getDecoder());
            pipeline.addLast("encoder", adapter.getEncoder());
            pipeline.addLast("handler", nettyHandler);
            return pipeline;
        }
    });
    // bind
    channel = bootstrap.bind(getBindAddress());
}