Examples of org.jboss.netty.bootstrap.ServerBootstrap

org.jboss.netty.bootstrap.ServerBootstrap
ons for a parent channel b.setOption("localAddress", new {@link InetSocketAddress}(8080)); b.setOption("reuseAddress", true); // Options for its children b.setOption("child.tcpNoDelay", true); b.setOption("child.receiveBufferSize", 1048576); For the detailed list of available options, please refer to {@link ChannelConfig} and its sub-types.
Configuring a parent channel pipeline
It is rare to configure the pipeline of a parent channel because what it is supposed to do is very typical. However, you might want to add a handler to deal with some special needs such as degrading the process UID from a superuser to a normal user and changing the current VM security manager for better security. To support such a case, the {@link #setParentHandler(ChannelHandler) parentHandler} property isprovided.
Configuring a child channel pipeline
Every child channel has its own {@link ChannelPipeline} and you canconfigure it in two ways. {@linkplain #setPipeline(ChannelPipeline) The first approach} is to usethe default pipeline property and let the bootstrap to clone it for each new child channel:
```
 ServerBootstrap 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()); 
```
{@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:
```
 ServerBootstrap b = ...; b.setPipelineFactory(new MyPipelineFactory()); public class MyPipelineFactory implements  {@link ChannelPipelineFactory} {// Create a new pipeline for a new child channel and configure it here ... } 
```
Applying different settings for different {@link Channel}s
{@link ServerBootstrap} is just a helper class. It neither allocates normanages any resources. What manages the resources is the {@link ChannelFactory} implementation you specified in the constructor of{@link ServerBootstrap}. Therefore, it is OK to create as many {@link ServerBootstrap} instances as you want to apply different settingsfor 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: 536 $, $Date: 2008-11-28 20:18:21 +0900 (Fri, 28 Nov 2008) $ @apiviz.landmark

        Executors.newCachedThreadPool(bossFactory),
        workerThreadPool, maximumPoolSize);
  }


  public synchronized int start(ChannelPipelineFactory pipelineFactory) {
    ServerBootstrap bootstrap = new ServerBootstrap(channelFactory);
    bootstrap.setPipelineFactory(pipelineFactory);
    // Try to bind to a port.  If the port is 0, netty will select a port.
    int bindAttempt = 0;
    while (bindAttempt < DEFAULT_BIND_ATTEMPT_MAX) {
      try {
        InetSocketAddress address = new InetSocketAddress(port);
        Channel ch = bootstrap.bind(address);
        accepted.add(ch);
        port = ((InetSocketAddress) ch.getLocalAddress()).getPort();
        break;
      } catch (ChannelException e) {
        LOG.warn("start: Likely failed to bind on attempt " +

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    return port;
  }


  public synchronized void stop() {
    accepted.close().awaitUninterruptibly(10, TimeUnit.SECONDS);
    ServerBootstrap bootstrap = new ServerBootstrap(channelFactory);
    bootstrap.releaseExternalResources();
  }

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      else
      {
         channelFactory = new OioServerSocketChannelFactory(bossExecutor, workerExecutor);
      }


      bootstrap = new ServerBootstrap(channelFactory);


      final SSLContext context;
      if (sslEnabled)
      {
         try

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      else
      {
         channelFactory = new OioServerSocketChannelFactory(bossExecutor, workerExecutor);
      }


      bootstrap = new ServerBootstrap(channelFactory);


      final SSLContext context;
      if (sslEnabled)
      {
         try

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                configuration.getCorePoolSize(), configuration.getMaxPoolSize());
        ExecutorService workerExecutor = context.getExecutorServiceStrategy().newThreadPool(this, "NettyTCPWorker",
                configuration.getCorePoolSize(), configuration.getMaxPoolSize());


        channelFactory = new NioServerSocketChannelFactory(bossExecutor, workerExecutor);
        serverBootstrap = new ServerBootstrap(channelFactory);
        serverBootstrap.setPipelineFactory(new ServerPipelineFactory(this));
        serverBootstrap.setOption("child.keepAlive", configuration.isKeepAlive());
        serverBootstrap.setOption("child.tcpNoDelay", configuration.isTcpNoDelay());
        serverBootstrap.setOption("child.reuseAddress", configuration.isReuseAddress());
        serverBootstrap.setOption("child.connectTimeoutMillis", configuration.getConnectTimeout());

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    this.factory =
        new NioServerSocketChannelFactory(Executors.newCachedThreadPool(),
            Executors.newCachedThreadPool());


    pipelineFactory = pipeline;
    bootstrap = new ServerBootstrap(factory);
    bootstrap.setPipelineFactory(pipelineFactory);
    // TODO - should be configurable
    bootstrap.setOption("reuseAddress", true);
    bootstrap.setOption("child.tcpNoDelay", false);
    bootstrap.setOption("child.keepAlive", true);

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  // TODO change AbstractService to throw InterruptedException
  @Override
  public synchronized void start() {
    Configuration conf = getConfig();
    ServerBootstrap bootstrap = new ServerBootstrap(selector);
    try {
      pipelineFact = new HttpPipelineFactory(conf);
    } catch (Exception ex) {
      throw new RuntimeException(ex);
    }
    bootstrap.setPipelineFactory(pipelineFact);
    port = conf.getInt(ConfVars.PULLSERVER_PORT.varname,
        ConfVars.PULLSERVER_PORT.defaultIntVal);
    Channel ch = bootstrap.bind(new InetSocketAddress(port));
    accepted.add(ch);
    port = ((InetSocketAddress)ch.getLocalAddress()).getPort();
    conf.set(ConfVars.PULLSERVER_PORT.varname, Integer.toString(port));
    pipelineFact.PullServer.setPort(port);
    LOG.info(getName() + " listening on port " + port);

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  @Override
  public synchronized void stop() {
    try {
      accepted.close().awaitUninterruptibly(10, TimeUnit.SECONDS);
      ServerBootstrap bootstrap = new ServerBootstrap(selector);
      bootstrap.releaseExternalResources();
      pipelineFact.destroy();


      localFS.close();
    } catch (Throwable t) {
      LOG.error(t);

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  // TODO change AbstractService to throw InterruptedException
  @Override
  public synchronized void start() {
    Configuration conf = getConfig();
    ServerBootstrap bootstrap = new ServerBootstrap(selector);
    try {
      pipelineFact = new HttpPipelineFactory(conf);
    } catch (Exception ex) {
      throw new RuntimeException(ex);
    }
    bootstrap.setPipelineFactory(pipelineFact);
    port = conf.getInt(ConfVars.PULLSERVER_PORT.varname,
        ConfVars.PULLSERVER_PORT.defaultIntVal);
    Channel ch = bootstrap.bind(new InetSocketAddress(port));
    accepted.add(ch);
    port = ((InetSocketAddress)ch.getLocalAddress()).getPort();
    conf.set(ConfVars.PULLSERVER_PORT.varname, Integer.toString(port));
    pipelineFact.PullServer.setPort(port);
    LOG.info(getName() + " listening on port " + port);

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  @Override
  public synchronized void stop() {
    try {
      accepted.close().awaitUninterruptibly(10, TimeUnit.SECONDS);
      ServerBootstrap bootstrap = new ServerBootstrap(selector);
      bootstrap.releaseExternalResources();
      pipelineFact.destroy();


      localFS.close();
    } catch (Throwable t) {
      LOG.error(t);

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Examples of org.jboss.netty.bootstrap.ServerBootstrap

Configuring a parent channel pipeline

Configuring a child channel pipeline

Applying different settings for different {@link Channel}s

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