Examples of org.jboss.netty.bootstrap.ConnectionlessBootstrap

org.jboss.netty.bootstrap.ConnectionlessBootstrap
ons for a new channel b.setOption("localAddress", new {@link InetSocketAddress}(8080)); b.setOption("tcpNoDelay", true); b.setOption("receiveBufferSize", 1048576); For the detailed list of available options, please refer to {@link ChannelConfig} and its sub-types
Configuring a channel pipeline
Every channel has its own {@link ChannelPipeline} and you can configure itin two ways.
{@linkplain #setPipeline(ChannelPipeline) The first approach} is to usethe default pipeline and let the bootstrap to shallow-copy the default pipeline for each new channel:
```
 ConnectionlessBootstrap b = ...; {@link ChannelPipeline} p = b.getPipeline();// Add handlers to the pipeline. p.addLast("encoder", new EncodingHandler()); p.addLast("decoder", new DecodingHandler()); p.addLast("logic",   new LogicHandler()); 
```
Please note 'shallow-copy' here means that the added {@link ChannelHandler}s are not cloned but only their references are added to the new pipeline. Therefore, you have to choose the second approach if you are going to open more than one {@link Channel} whose {@link ChannelPipeline} contains any{@link ChannelHandler} whose {@link ChannelPipelineCoverage} is {@code "one"}.
{@linkplain #setPipelineFactory(ChannelPipelineFactory) The second approach}is to specify a {@link ChannelPipelineFactory} by yourself and have fullcontrol over how a new pipeline is created. This approach is more complex:
```
 ConnectionlessBootstrap b = ...; b.setPipelineFactory(new MyPipelineFactory()); public class MyPipelineFactory implements  {@link ChannelPipelineFactory} {// Create a new pipeline for a new channel and configure it here ... } 
```
Applying different settings for different {@link Channel}s
{@link ConnectionlessBootstrap} is just a helper class. It neitherallocates nor manages any resources. What manages the resources is the {@link ChannelFactory} implementation you specified in the constructor of{@link ConnectionlessBootstrap}. Therefore, it is OK to create as many {@link ConnectionlessBootstrap} instances as you want to applydifferent settings for different {@link Channel}s. TODO: Show how to shut down a service. @author The Netty Project (netty-dev@lists.jboss.org) @author Trustin Lee (tlee@redhat.com) @version $Rev: 1253 $, $Date: 2009-04-28 14:45:05 +0900 (Tue, 28 Apr 2009) $ @apiviz.landmark


    public void connect(Configuration conf) throws IOException {
      // Can't be NiO with Netty today => not implemented in Netty.
      DatagramChannelFactory f = new OioDatagramChannelFactory(service);


      ConnectionlessBootstrap b = new ConnectionlessBootstrap(f);
      b.setPipeline(Channels.pipeline(
          new ProtobufDecoder(ClusterStatusProtos.ClusterStatus.getDefaultInstance()),
          new ClusterStatusHandler()));


      String mcAddress = conf.get(HConstants.STATUS_MULTICAST_ADDRESS,
          HConstants.DEFAULT_STATUS_MULTICAST_ADDRESS);
      int port = conf.getInt(HConstants.STATUS_MULTICAST_PORT,
          HConstants.DEFAULT_STATUS_MULTICAST_PORT);
      channel = (DatagramChannel) b.bind(new InetSocketAddress(mcAddress, port));


      channel.getConfig().setReuseAddress(true);


      InetAddress ina;
      try {

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          HConstants.DEFAULT_STATUS_MULTICAST_PORT);


      // Can't be NiO with Netty today => not implemented in Netty.
      DatagramChannelFactory f = new OioDatagramChannelFactory(service);


      ConnectionlessBootstrap b = new ConnectionlessBootstrap(f);
      b.setPipeline(Channels.pipeline(new ProtobufEncoder(),
          new ChannelUpstreamHandler() {
            @Override
            public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e)
                throws Exception {
              // We're just writing here. Discard any incoming data. See HBASE-8466.
            }
          }));




      channel = (DatagramChannel) b.bind(new InetSocketAddress(0));
      channel.getConfig().setReuseAddress(true);


      InetAddress ina;
      try {
        ina = InetAddress.getByName(mcAddress);

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        if (configuration.getWorkerCount() <= 0) {
            datagramChannelFactory = new NioDatagramChannelFactory(workerExecutor);
        } else {
            datagramChannelFactory = new NioDatagramChannelFactory(workerExecutor, configuration.getWorkerCount());
        }
        connectionlessServerBootstrap = new ConnectionlessBootstrap(datagramChannelFactory);
        connectionlessServerBootstrap.setOption("child.keepAlive", configuration.isKeepAlive());
        connectionlessServerBootstrap.setOption("child.tcpNoDelay", configuration.isTcpNoDelay());
        connectionlessServerBootstrap.setOption("reuseAddress", configuration.isReuseAddress());
        connectionlessServerBootstrap.setOption("child.reuseAddress", configuration.isReuseAddress());
        connectionlessServerBootstrap.setOption("child.connectTimeoutMillis", configuration.getConnectTimeout());

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            // set the pipeline on the bootstrap
            clientBootstrap.setPipeline(clientPipeline);
            answer = clientBootstrap.connect(new InetSocketAddress(configuration.getHost(), configuration.getPort()));
            return answer;
        } else {
            ConnectionlessBootstrap connectionlessClientBootstrap = new ConnectionlessBootstrap(datagramChannelFactory);
            connectionlessClientBootstrap.setOption("child.keepAlive", configuration.isKeepAlive());
            connectionlessClientBootstrap.setOption("child.tcpNoDelay", configuration.isTcpNoDelay());
            connectionlessClientBootstrap.setOption("child.reuseAddress", configuration.isReuseAddress());
            connectionlessClientBootstrap.setOption("child.connectTimeoutMillis", configuration.getConnectTimeout());
            connectionlessClientBootstrap.setOption("child.broadcast", configuration.isBroadcast());
            connectionlessClientBootstrap.setOption("sendBufferSize", configuration.getSendBufferSize());
            connectionlessClientBootstrap.setOption("receiveBufferSize", configuration.getReceiveBufferSize());


            // set the pipeline on the bootstrap
            connectionlessClientBootstrap.setPipeline(clientPipeline);
            connectionlessClientBootstrap.bind(new InetSocketAddress(0));
            answer = connectionlessClientBootstrap.connect(new InetSocketAddress(configuration.getHost(), configuration.getPort()));
            return answer;
        }
    }

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    private void initializeUDPServerSocketCommunicationLayer() throws Exception {
        ExecutorService workerExecutor = context.getExecutorServiceManager().newThreadPool(this, "NettyUDPWorker",
                configuration.getCorePoolSize(), configuration.getMaxPoolSize());


        datagramChannelFactory = new NioDatagramChannelFactory(workerExecutor);
        connectionlessServerBootstrap = new ConnectionlessBootstrap(datagramChannelFactory);
        if (configuration.getServerPipelineFactory() != null) {
            configuration.getServerPipelineFactory().setConsumer(this);
            connectionlessServerBootstrap.setPipelineFactory(configuration.getServerPipelineFactory());
        } else {
            connectionlessServerBootstrap.setPipelineFactory(new DefaultServerPipelineFactory(this));

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  }


  @Override
  public void start() {
    // setup Netty server
    ConnectionlessBootstrap serverBootstrap = new ConnectionlessBootstrap
        (new OioDatagramChannelFactory(Executors.newCachedThreadPool()));
    serverBootstrap.setPipelineFactory(new ChannelPipelineFactory() {
      public ChannelPipeline getPipeline() {
       return Channels.pipeline(new syslogHandler());
      }
     });


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


    super.start();
  }

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  public void run() {
    // Configure the client.
    DatagramChannelFactory f = new NioDatagramChannelFactory(
        Executors.newCachedThreadPool(), workerCount);


    ConnectionlessBootstrap b = new ConnectionlessBootstrap(f);
    ChannelPipeline p = b.getPipeline();
    p.addLast("handler", new SimpleUdpServerHandler(rpcProgram));


    b.setOption("broadcast", "false");
    b.setOption("sendBufferSize", SEND_BUFFER_SIZE);
    b.setOption("receiveBufferSize", RECEIVE_BUFFER_SIZE);
    
    // Listen to the UDP port
    b.bind(new InetSocketAddress(port));


    LOG.info("Started listening to UDP requests at port " + port + " for "
        + rpcProgram + " with workerCount " + workerCount);
  }

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          HConstants.DEFAULT_STATUS_MULTICAST_PORT);


      // Can't be NiO with Netty today => not implemented in Netty.
      DatagramChannelFactory f = new OioDatagramChannelFactory(service);


      ConnectionlessBootstrap b = new ConnectionlessBootstrap(f);
      b.setPipeline(Channels.pipeline(new ProtobufEncoder()));




      channel = (DatagramChannel) b.bind(new InetSocketAddress(0));
      channel.getConfig().setReuseAddress(true);


      InetAddress ina;
      try {
        ina = InetAddress.getByName(mcAddress);

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    public void connect(Configuration conf) throws IOException {
      // Can't be NiO with Netty today => not implemented in Netty.
      DatagramChannelFactory f = new OioDatagramChannelFactory(service);


      ConnectionlessBootstrap b = new ConnectionlessBootstrap(f);
      b.setPipeline(Channels.pipeline(
          new ProtobufDecoder(ClusterStatusProtos.ClusterStatus.getDefaultInstance()),
          new ClusterStatusHandler()));


      String mcAddress = conf.get(HConstants.STATUS_MULTICAST_ADDRESS,
          HConstants.DEFAULT_STATUS_MULTICAST_ADDRESS);
      int port = conf.getInt(HConstants.STATUS_MULTICAST_PORT,
          HConstants.DEFAULT_STATUS_MULTICAST_PORT);
      channel = (DatagramChannel) b.bind(new InetSocketAddress(mcAddress, port));


      channel.getConfig().setReuseAddress(true);


      InetAddress ina;
      try {

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    runner = executor;


    final DatagramChannelFactory channelFactory = new NioDatagramChannelFactory(
        runner);


    boot = new ConnectionlessBootstrap(channelFactory);


    final ChannelPipelineFactory pipelineFactory = new PipelineFactoryDDF(
        this);


    boot.setPipelineFactory(pipelineFactory);

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Examples of org.jboss.netty.bootstrap.ConnectionlessBootstrap

Configuring a channel pipeline

Applying different settings for different {@link Channel}s

Related Classes of org.jboss.netty.bootstrap.ConnectionlessBootstrap