Java Code Examples for org.jboss.netty.channel.ChannelPipeline#addLast()

@Override
public ChannelPipeline getPipeline() throws Exception {
    ChannelPipeline channelPipeline = Channels.pipeline();
    channelPipeline.addLast("openChannels", nettyTransport.serverOpenChannels);
    SizeHeaderFrameDecoder sizeHeader = new SizeHeaderFrameDecoder();
    if (nettyTransport.maxCumulationBufferCapacity != null) {
        if (nettyTransport.maxCumulationBufferCapacity.bytes() > Integer.MAX_VALUE) {
            sizeHeader.setMaxCumulationBufferCapacity(Integer.MAX_VALUE);
        } else {
            sizeHeader.setMaxCumulationBufferCapacity((int) nettyTransport.maxCumulationBufferCapacity.bytes());
        }
    }
    if (nettyTransport.maxCompositeBufferComponents != -1) {
        sizeHeader.setMaxCumulationBufferComponents(nettyTransport.maxCompositeBufferComponents);
    }
    channelPipeline.addLast("size", sizeHeader);
    channelPipeline.addLast("dispatcher", new MessageChannelHandler(nettyTransport, nettyTransport.logger, name));
    return channelPipeline;
}
 

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;
}
 

@Override
public ChannelPipeline getPipeline() throws Exception {
    RemoteSyncChannelHandler channelHandler = 
            new RemoteSyncChannelHandler(syncManager);
    ChannelPipeline pipeline = Channels.pipeline();

    pipeline.addLast("frameDecoder",
                     new ThriftFrameDecoder(maxFrameSize));
    pipeline.addLast("frameEncoder",
                     new ThriftFrameEncoder());
    pipeline.addLast("timeout",
                     new RSHandshakeTimeoutHandler(channelHandler,
                                                   timer, 3));

    pipeline.addLast("handler", channelHandler);
    return pipeline;
}
 

@Override
public ChannelPipeline getPipeline() throws Exception {
    BootstrapChannelHandler handler = 
            new BootstrapChannelHandler(bootstrap);
    ChannelPipeline pipeline = Channels.pipeline();

    pipeline.addLast("frameDecoder",
                     new ThriftFrameDecoder(maxFrameSize));
    pipeline.addLast("frameEncoder",
                     new ThriftFrameEncoder());
    pipeline.addLast("timeout",
                     new BootstrapTimeoutHandler(timer, 10));

    pipeline.addLast("handler", handler);

    return pipeline;
}
 

public ChannelPipeline getPipeline() throws Exception {

        Integer max = Integer.valueOf(Play.configuration.getProperty("play.netty.maxContentLength", "-1"));
           
        ChannelPipeline pipeline = pipeline();
        PlayHandler playHandler = new PlayHandler();
        
        pipeline.addLast("flashPolicy", new FlashPolicyHandler()); 
        pipeline.addLast("decoder", new HttpRequestDecoder());
        pipeline.addLast("aggregator", new StreamChunkAggregator(max));
        pipeline.addLast("encoder", new HttpResponseEncoder());
        pipeline.addLast("chunkedWriter", playHandler.chunkedWriteHandler);
        pipeline.addLast("handler", playHandler);

        return pipeline;
    }
 

@Override
public ChannelPipeline getPipeline() throws Exception {
    PcepChannelHandler handler = new PcepChannelHandler(controller);

    ChannelPipeline pipeline = Channels.pipeline();
    pipeline.addLast("pcepmessagedecoder", new PcepMessageDecoder());
    pipeline.addLast("pcepmessageencoder", new PcepMessageEncoder());
    pipeline.addLast("idle", idleHandler);
    pipeline.addLast("waittimeout", readTimeoutHandler);
    pipeline.addLast("handler", handler);
    return pipeline;
}
 

public ChannelPipeline getPipeline() throws Exception {
    ChannelPipeline p = Channels.pipeline();
    p.addLast("msgpack-decode-stream", new MessagePackStreamDecoder(messagePack));
    p.addLast("msgpack-encode", new MessagePackEncoder(messagePack));
    p.addLast("message", new MessageHandler(handler));
    return p;
}
 

@Override
public ChannelPipeline newPipeline() {
    ChannelPipeline pipeline = Channels.pipeline();
    pipeline.addLast("encoder", new PacketEncoder());
    pipeline.addLast("decoder", new PacketDecoder());
    
    return pipeline;
}
 

public ChannelPipeline getPipeline() throws Exception {
    // this is pretty verbose from the netty examples
    ChannelPipeline pipeline = Channels.pipeline();
    pipeline.addLast("framer", new DelimiterBasedFrameDecoder(8192, Delimiters.lineDelimiter()));
    pipeline.addLast("decoder", new StringDecoder());
    pipeline.addLast("encoder", new StringEncoder());
    pipeline.addLast("handler", new FakeCarbonHandler(appConfig));
    return pipeline;
}
 

@Override
public ChannelPipeline getPipeline() {

    // cannot have the DelimiterBasedFrameDecoder! does not work with
    // UDP; make packet missing.
    ChannelPipeline pipeline = Channels.pipeline();
    // ORDER matters!!! put the channdler first
    pipeline.addLast("idleTimer", idleStateHandler);
    pipeline.addLast("idleHandler", myIdleHandler);
    pipeline.addLast("stringDecoder", UdpMeta.stringDecoder);
    pipeline.addLast("stringEncoder", UdpMeta.stringEncoder);
    pipeline.addLast("UDPUpstreamHandler", new UdpChannelHandler(
            udpWorker));
    return pipeline;
}
 

@Override
public ChannelPipeline getPipeline() throws Exception {
	ChannelPipeline pipeline = Channels.pipeline();

	pipeline.addLast("objectencoder", new ObjectEncoder());

	pipeline.addLast("objectdecoder", new ObjectDecoder(ClassResolvers
			.cacheDisabled(this.getClass().getClassLoader())));
	pipeline.addLast("serverhandler", new MyServerHandler());
	return pipeline;
}
 

public ChannelPipeline getPipeline() throws Exception {
    // Create a default pipeline implementation.
    ChannelPipeline pipeline = Channels.pipeline();

    // Decoder
    pipeline.addLast("decoder", new MessageDecoder(false, conf));
    // Encoder
    pipeline.addLast("encoder", new MessageEncoder());
    // business logic.
    pipeline.addLast("handler", new StormClientHandler(client));

    return pipeline;
}
 

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
public ChannelPipeline getPipeline() {
    ChannelPipeline pipeline = Channels.pipeline();
    pipeline.addLast("encoder", new OspfMessageDecoder());
    pipeline.addLast("decoder", new OspfMessageEncoder());
    pipeline.addLast("handler", ospfChannelHandler);

    return pipeline;
}
 

@Override
public ChannelPipeline getPipeline() throws Exception {
    SpliceLogUtils.debug(LOG, "Creating new channel pipeline...");
    ChannelPipeline pipeline = Channels.pipeline();
    ((TimestampServerHandler) tsHandler).initializeIfNeeded();
    pipeline.addLast("decoder", new FixedLengthFrameDecoder(TimestampServer.FIXED_MSG_RECEIVED_LENGTH));
    pipeline.addLast("handler", tsHandler);
    SpliceLogUtils.debug(LOG, "Done creating channel pipeline");
    return pipeline;
}
 

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);
    }
}
 

/**
 * Decoding process will include the following handlers: - framedecoder -
 * packetdecoder - handler Encoding process: - packetencoder Please note the
 * sequence of handlers
 */
@Override
public ChannelPipeline getPipeline() throws Exception {
    ChannelPipeline pipeline = Channels.pipeline();

    pipeline.addLast("framedecoder", new PacketFrameDecoder());
    pipeline.addLast("packetdecoder", new LoginPacketDecoder());
    pipeline.addLast("packetencoder", new LoginPacketEncoder());
    pipeline.addLast("executor", executionHandler);
    pipeline.addLast("handler", new ClientChannelHandler(clientPacketHandler));

    return pipeline;
}
 

private TSOClient(OmidClientConfiguration omidConf) throws IOException {

        // Start client with Nb of active threads = 3 as maximum.
        int tsoExecutorThreads = omidConf.getExecutorThreads();

        factory = new NioClientSocketChannelFactory(
                Executors.newCachedThreadPool(
                        new ThreadFactoryBuilder().setNameFormat("tsoclient-boss-%d").build()),
                Executors.newCachedThreadPool(
                        new ThreadFactoryBuilder().setNameFormat("tsoclient-worker-%d").build()), tsoExecutorThreads);
        // Create the bootstrap
        bootstrap = new ClientBootstrap(factory);

        requestTimeoutInMs = omidConf.getRequestTimeoutInMs();
        requestMaxRetries = omidConf.getRequestMaxRetries();
        tsoReconnectionDelayInSecs = omidConf.getReconnectionDelayInSecs();

        LOG.info("Connecting to TSO...");
        HostAndPort hp;
        switch (omidConf.getConnectionType()) {
            case HA:
                zkClient = ZKUtils.initZKClient(omidConf.getConnectionString(),
                                                omidConf.getZkNamespace(),
                                                omidConf.getZkConnectionTimeoutInSecs());
                zkCurrentTsoPath = omidConf.getZkCurrentTsoPath();
                configureCurrentTSOServerZNodeCache(zkCurrentTsoPath);
                String tsoInfo = getCurrentTSOInfoFoundInZK(zkCurrentTsoPath);
                // TSO info includes the new TSO host:port address and epoch
                String[] currentTSOAndEpochArray = tsoInfo.split("#");
                hp = HostAndPort.fromString(currentTSOAndEpochArray[0]);
                setTSOAddress(hp.getHostText(), hp.getPort());
                epoch = Long.parseLong(currentTSOAndEpochArray[1]);
                LOG.info("\t* Current TSO host:port found in ZK: {} Epoch {}", hp, getEpoch());
                break;
            case DIRECT:
            default:
                hp = HostAndPort.fromString(omidConf.getConnectionString());
                setTSOAddress(hp.getHostText(), hp.getPort());
                LOG.info("\t* TSO host:port {} will be connected directly", hp);
                break;
        }

        fsmExecutor = Executors.newSingleThreadScheduledExecutor(
                new ThreadFactoryBuilder().setNameFormat("tsofsm-%d").build());
        fsm = new StateMachine.FsmImpl(fsmExecutor);
        fsm.setInitState(new DisconnectedState(fsm));

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

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



        conflictDetectionLevel = omidConf.getConflictAnalysisLevel();

    }
 

@Override
protected ChannelPipelineFactory createPipelineFactory(final ChannelGroup group) {

    return new ChannelPipelineFactory() {

        private final ChannelGroupHandler groupHandler = new ChannelGroupHandler(group);

        @Override
        public ChannelPipeline getPipeline() throws Exception {
            ChannelPipeline pipeline = pipeline();
            Encryption secure = getEncryption();
            if (secure != null && !secure.isStartTLS()) {
                // We need to set clientMode to false.
                // See https://issues.apache.org/jira/browse/JAMES-1025
                SSLEngine engine = secure.getContext().createSSLEngine();
                engine.setUseClientMode(false);
                pipeline.addFirst(SSL_HANDLER, new SslHandler(engine));

            }
            pipeline.addLast(GROUP_HANDLER, groupHandler);
            pipeline.addLast(CONNECTION_LIMIT_HANDLER, new ConnectionLimitUpstreamHandler(ManageSieveServer.this.connectionLimit));
            pipeline.addLast(CONNECTION_LIMIT_PER_IP_HANDLER, new ConnectionPerIpLimitUpstreamHandler(ManageSieveServer.this.connPerIP));
            // Add the text line decoder which limit the max line length,
            // don't strip the delimiter and use CRLF as delimiter
            // Use a SwitchableDelimiterBasedFrameDecoder, see JAMES-1436
            pipeline.addLast(FRAMER, getFrameHandlerFactory().create(pipeline));
            pipeline.addLast(CONNECTION_COUNT_HANDLER, getConnectionCountHandler());
            pipeline.addLast(CHUNK_WRITE_HANDLER, new ChunkedWriteHandler());

            ExecutionHandler ehandler = getExecutionHandler();
            if (ehandler  != null) {
                pipeline.addLast(EXECUTION_HANDLER, ehandler);

            }
            pipeline.addLast("stringDecoder", new StringDecoder(CharsetUtil.UTF_8));
            pipeline.addLast(CORE_HANDLER, createCoreHandler());
            pipeline.addLast("stringEncoder", new StringEncoder(CharsetUtil.UTF_8));
            return pipeline;
        }

    };
}
 

@Override
protected ChannelPipelineFactory createPipelineFactory(final ChannelGroup group) {
    
    return new ChannelPipelineFactory() {
        
        private final ChannelGroupHandler groupHandler = new ChannelGroupHandler(group);
        private final HashedWheelTimer timer = new HashedWheelTimer();
        
        private final TimeUnit timeoutUnit = TimeUnit.SECONDS;

        @Override
        public ChannelPipeline getPipeline() throws Exception {
            ChannelPipeline pipeline = pipeline();
            pipeline.addLast(GROUP_HANDLER, groupHandler);
            pipeline.addLast("idleHandler", new IdleStateHandler(timer, 0, 0, timeout, timeoutUnit));
            pipeline.addLast(TIMEOUT_HANDLER, new ImapIdleStateHandler());
            pipeline.addLast(CONNECTION_LIMIT_HANDLER, new ConnectionLimitUpstreamHandler(IMAPServer.this.connectionLimit));

            pipeline.addLast(CONNECTION_LIMIT_PER_IP_HANDLER, new ConnectionPerIpLimitUpstreamHandler(IMAPServer.this.connPerIP));

            // Add the text line decoder which limit the max line length,
            // don't strip the delimiter and use CRLF as delimiter
            // Use a SwitchableDelimiterBasedFrameDecoder, see JAMES-1436
            pipeline.addLast(FRAMER, getFrameHandlerFactory().create(pipeline));
           
            Encryption secure = getEncryption();
            if (secure != null && !secure.isStartTLS()) {
                // We need to set clientMode to false.
                // See https://issues.apache.org/jira/browse/JAMES-1025
                SSLEngine engine = secure.getContext().createSSLEngine();
                engine.setUseClientMode(false);
                pipeline.addFirst(SSL_HANDLER, new SslHandler(engine));

            }
            pipeline.addLast(CONNECTION_COUNT_HANDLER, getConnectionCountHandler());

            pipeline.addLast(CHUNK_WRITE_HANDLER, new ChunkedWriteHandler());

            ExecutionHandler ehandler = getExecutionHandler();
            if (ehandler  != null) {
                pipeline.addLast(EXECUTION_HANDLER, ehandler);

            }
            pipeline.addLast(REQUEST_DECODER, new ImapRequestFrameDecoder(decoder, inMemorySizeLimit, literalSizeLimit));

            pipeline.addLast(CORE_HANDLER, createCoreHandler());
            return pipeline;
        }

    };
}