Example usage for io.netty.channel ChannelInitializer ChannelInitializer

List of usage examples for io.netty.channel ChannelInitializer ChannelInitializer

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In this page you can find the example usage for io.netty.channel ChannelInitializer ChannelInitializer.

Prototype

ChannelInitializer

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Usage

From source file:com.spotify.ffwd.riemann.RiemannTCPProtocolClient.java

License:Apache License

@Override
public ChannelInitializer<Channel> initializer() {
    return new ChannelInitializer<Channel>() {
        @Override//from w w w  . j  ava  2  s.c o  m
        protected void initChannel(Channel ch) throws Exception {
            final LengthFieldBasedFrameDecoder lengthPrefix = new LengthFieldBasedFrameDecoder(MAX_LENGTH, 0,
                    4);
            ch.pipeline().addLast(lengthPrefix, receiver, sender);
        }
    };
}

From source file:com.spotify.ffwd.riemann.RiemannTCPProtocolServer.java

License:Apache License

@Override
public final ChannelInitializer<Channel> initializer() {
    return new ChannelInitializer<Channel>() {
        @Override/*from  w  w  w  .  j a va  2 s.  c  om*/
        protected void initChannel(Channel ch) throws Exception {
            ch.pipeline().addLast(frameDecoder.get(), decoder, responder, unpacker, handler);
        }
    };
}

From source file:com.spotify.ffwd.riemann.RiemannUDPProtocolServer.java

License:Apache License

@Override
public final ChannelInitializer<Channel> initializer() {
    return new ChannelInitializer<Channel>() {
        @Override// w  w  w  .  jav a  2s  .  c  o m
        protected void initChannel(Channel ch) throws Exception {
            ch.pipeline().addLast(datagramDecoder, messageDecoder, unpacker, handler);
        }
    };
}

From source file:com.spotify.ffwd.template.TemplateOutputProtocolClient.java

License:Apache License

@Override
public ChannelInitializer<Channel> initializer() {
    return new ChannelInitializer<Channel>() {
        @Override//from  ww w  . ja va  2s  . c om
        protected void initChannel(final Channel ch) throws Exception {
            ch.pipeline().addLast(stringEncoder, outputEncoder);
        }
    };
}

From source file:com.spotify.folsom.client.DefaultRawMemcacheClient.java

License:Apache License

public static ListenableFuture<RawMemcacheClient> connect(final HostAndPort address,
        final int outstandingRequestLimit, final boolean binary, final Executor executor,
        final long timeoutMillis) {

    final ChannelInboundHandler decoder;
    if (binary) {
        decoder = new BinaryMemcacheDecoder();
    } else {//  w  ww.j ava 2  s  .  c  om
        decoder = new AsciiMemcacheDecoder();
    }

    final ChannelHandler initializer = new ChannelInitializer<Channel>() {
        @Override
        protected void initChannel(final Channel ch) throws Exception {
            ch.pipeline().addLast(new TcpTuningHandler(), decoder,

                    // Downstream
                    new MemcacheEncoder());
        }
    };

    final SettableFuture<RawMemcacheClient> clientFuture = SettableFuture.create();

    final Bootstrap bootstrap = new Bootstrap().group(EVENT_LOOP_GROUP).handler(initializer)
            .channel(NioSocketChannel.class)
            .option(ChannelOption.MESSAGE_SIZE_ESTIMATOR, SimpleSizeEstimator.INSTANCE);

    final ChannelFuture connectFuture = bootstrap
            .connect(new InetSocketAddress(address.getHostText(), address.getPort()));

    connectFuture.addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(final ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                // Create client
                final RawMemcacheClient client = new DefaultRawMemcacheClient(address, future.channel(),
                        outstandingRequestLimit, executor, timeoutMillis);
                clientFuture.set(client);
            } else {
                clientFuture.setException(future.cause());
            }
        }
    });

    return onExecutor(clientFuture, executor);
}

From source file:com.spotify.netty.handler.codec.zmtp.ZMQIntegrationTest.java

License:Apache License

@Before
public void setup() throws InterruptedException {
    bossGroup = new NioEventLoopGroup();
    workerGroup = new NioEventLoopGroup();
    serverBootstrap = new ServerBootstrap();

    serverBootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {

                @Override/* ww  w  .  ja va  2 s.  com*/
                protected void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new ZMTP20Codec(new ZMTPSession(ZMTPConnectionType.Addressed, 1024,
                            identity.getBytes(), ZMTPSocketType.REQ), false));
                    ch.pipeline().addLast(new ChannelInboundHandlerAdapter() {
                        @Override
                        public void channelActive(final ChannelHandlerContext ctx) throws Exception {
                            super.channelActive(ctx);
                            channelsConnected.add(ctx.channel());
                        }

                        @Override
                        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                            incomingMessages.put((ZMTPIncomingMessage) msg);
                        }
                    });
                }
            });

    serverChannel = serverBootstrap.bind(0).sync().channel();
    serverAddress = (InetSocketAddress) serverChannel.localAddress();
}

From source file:com.spotify.netty.handler.codec.zmtp.ZMTPTestConnector.java

License:Apache License

public boolean connectAndReceive(final String ip, final int port, final int serverType) {
    context = ZMQ.context(1);//w  w  w. j av  a 2 s.  c  om
    serverSocket = context.socket(serverType);

    preConnect(serverSocket);

    serverSocket.bind("tcp://" + ip + ":" + port);

    EventLoopGroup group = new NioEventLoopGroup();
    // Configure the client.
    final Bootstrap bootstrap = new Bootstrap().group(group).channel(NioSocketChannel.class)
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel ch) throws Exception {
                    final ZMTPSession session = new ZMTPSession(ZMTPConnectionType.Addressed,
                            "client".getBytes());
                    ChannelPipeline pl = ch.pipeline();
                    pl.addLast(new ZMTP10Codec(session));
                    pl.addLast(new ChannelInboundHandlerAdapter() {
                        @Override
                        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
                            if (onMessage((ZMTPIncomingMessage) msg)) {
                                receivedMessage = true;
                                ctx.channel().close();
                            }
                        }
                    });
                }
            });

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

    future.awaitUninterruptibly();

    afterConnect(serverSocket, future);

    // Wait until the connection is closed or the connection attempt fails.
    future.channel().closeFuture().awaitUninterruptibly();

    // Shut down thread pools to exit.
    group.shutdownGracefully();

    serverSocket.close();
    context.term();

    return receivedMessage;
}

From source file:com.spotify.netty4.handler.codec.zmtp.benchmarks.CustomReqRepBenchmark.java

License:Apache License

public static void main(final String... args) throws InterruptedException {
    final ProgressMeter meter = new ProgressMeter("requests", true);

    // Codecs//  www.ja  v a2s .  co m
    final ZMTPCodec serverCodec = ZMTPCodec.builder().socketType(ROUTER).encoder(ReplyEncoder.class)
            .decoder(RequestDecoder.class).build();

    final ZMTPCodec clientCodec = ZMTPCodec.builder().socketType(DEALER).encoder(RequestEncoder.class)
            .decoder(ReplyDecoder.class).build();

    // Server
    final Executor serverExecutor = new ForkJoinPool(1, ForkJoinPool.defaultForkJoinWorkerThreadFactory,
            UNCAUGHT_EXCEPTION_HANDLER, true);
    final ServerBootstrap serverBootstrap = new ServerBootstrap()
            .group(new NioEventLoopGroup(1), new NioEventLoopGroup()).channel(NioServerSocketChannel.class)
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childOption(ChannelOption.MESSAGE_SIZE_ESTIMATOR, ByteBufSizeEstimator.INSTANCE)
            .childHandler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(final NioSocketChannel ch) throws Exception {
                    ch.pipeline().addLast(serverCodec);
                    ch.pipeline().addLast(new ServerRequestTracker());
                    ch.pipeline().addLast(new ServerHandler(serverExecutor));
                }
            });
    final Channel server = serverBootstrap.bind(ANY_PORT).awaitUninterruptibly().channel();

    // Client
    final Executor clientExecutor = new ForkJoinPool(1, ForkJoinPool.defaultForkJoinWorkerThreadFactory,
            UNCAUGHT_EXCEPTION_HANDLER, true);
    final SocketAddress address = server.localAddress();
    final Bootstrap clientBootstrap = new Bootstrap().group(new NioEventLoopGroup())
            .channel(NioSocketChannel.class).option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .option(ChannelOption.MESSAGE_SIZE_ESTIMATOR, ByteBufSizeEstimator.INSTANCE)
            .handler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(final NioSocketChannel ch) throws Exception {
                    ch.pipeline().addLast(clientCodec);
                    ch.pipeline().addLast(new ClientRequestTracker());
                    ch.pipeline().addLast(new ClientHandler(meter, clientExecutor));
                }
            });
    final Channel client = clientBootstrap.connect(address).awaitUninterruptibly().channel();

    // Run until client is closed
    client.closeFuture().await();
}

From source file:com.spotify.netty4.handler.codec.zmtp.benchmarks.ReqRepBenchmark.java

License:Apache License

public static void main(final String... args) throws InterruptedException {
    final ProgressMeter meter = new ProgressMeter("requests");

    // Codecs//from  www  . j a va 2s.c  o  m

    // Server
    final ServerBootstrap serverBootstrap = new ServerBootstrap()
            .group(new NioEventLoopGroup(1), new NioEventLoopGroup()).channel(NioServerSocketChannel.class)
            .childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childHandler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(final NioSocketChannel ch) throws Exception {
                    ch.pipeline().addLast(ZMTPCodec.builder().socketType(ROUTER).build());
                    ch.pipeline().addLast(new ServerHandler());
                }
            });
    final Channel server = serverBootstrap.bind(ANY_PORT).awaitUninterruptibly().channel();

    // Client
    final SocketAddress address = server.localAddress();
    final Bootstrap clientBootstrap = new Bootstrap().group(new NioEventLoopGroup())
            .channel(NioSocketChannel.class).option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .handler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(final NioSocketChannel ch) throws Exception {
                    ch.pipeline().addLast(ZMTPCodec.builder().socketType(DEALER).build());
                    ch.pipeline().addLast(new ClientHandler(meter));
                }
            });
    final Channel client = clientBootstrap.connect(address).awaitUninterruptibly().channel();

    // Run until client is closed
    client.closeFuture().await();
}

From source file:com.spotify.netty4.handler.codec.zmtp.benchmarks.ThroughputBenchmark.java

License:Apache License

public static void main(final String... args) throws InterruptedException {
    final ProgressMeter meter = new ProgressMeter("messages");

    // Server/*  w w  w.  j a  v a2 s.c o  m*/
    final ServerBootstrap serverBootstrap = new ServerBootstrap()
            .group(new NioEventLoopGroup(1), new NioEventLoopGroup(1)).channel(NioServerSocketChannel.class)
            .childOption(ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childHandler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(final NioSocketChannel ch) throws Exception {
                    ch.pipeline().addLast(ZMTPCodec.of(ROUTER));
                    ch.pipeline().addLast(new ServerHandler(meter));
                }
            });
    final Channel server = serverBootstrap.bind(ANY_PORT).awaitUninterruptibly().channel();

    // Client
    final SocketAddress address = server.localAddress();
    final Bootstrap clientBootstrap = new Bootstrap().group(new NioEventLoopGroup(1))
            .channel(NioSocketChannel.class).option(ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .option(ChannelOption.MESSAGE_SIZE_ESTIMATOR, ByteBufSizeEstimator.INSTANCE)
            .handler(new ChannelInitializer<NioSocketChannel>() {
                @Override
                protected void initChannel(final NioSocketChannel ch) throws Exception {
                    ch.pipeline().addLast(ZMTPCodec.of(DEALER));
                    ch.pipeline().addLast(new ClientHandler());
                }
            });
    final Channel client = clientBootstrap.connect(address).awaitUninterruptibly().channel();

    // Run until client is closed
    client.closeFuture().await();
}