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.

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ChannelInitializer

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Usage

From source file:com.github.ambry.rest.NettyClient.java

License:Open Source License

/**
 * Create a NettyClient./*  w  ww. jav a 2  s  . co  m*/
 * @param hostname the host to connect to.
 * @param port the port to connect to.
 */
public NettyClient(String hostname, int port) throws InterruptedException {
    this.hostname = hostname;
    this.port = port;
    b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ch.pipeline().addLast(new HttpClientCodec()).addLast(new ChunkedWriteHandler())
                    .addLast(communicationHandler);
        }
    });
    createChannel();
}

From source file:com.github.ambry.rest.NettyServerFactory.java

License:Open Source License

/**
 * Creates a new instance of NettyServerFactory.
 * @param verifiableProperties the in-memory {@link VerifiableProperties} to use.
 * @param metricRegistry the {@link MetricRegistry} to use.
 * @param requestHandler the {@link RestRequestHandler} that handles general requests.
 * @param publicAccessLogger the {@link PublicAccessLogger} that can be used for public access logging
 * @param restServerState the {@link RestServerState} that can be used to check the health of the system
 *                              to respond to health check requests
 * @throws IllegalArgumentException if any of the arguments are null.
 *//*from  w w w  . jav a 2  s . co m*/
public NettyServerFactory(VerifiableProperties verifiableProperties, MetricRegistry metricRegistry,
        final RestRequestHandler requestHandler, final PublicAccessLogger publicAccessLogger,
        final RestServerState restServerState) {
    if (verifiableProperties == null || metricRegistry == null || requestHandler == null
            || publicAccessLogger == null || restServerState == null) {
        throw new IllegalArgumentException("Null arg(s) received during instantiation of NettyServerFactory");
    } else {
        this.nettyConfig = new NettyConfig(verifiableProperties);
        this.nettyMetrics = new NettyMetrics(metricRegistry);
        channelInitializer = new ChannelInitializer<SocketChannel>() {
            @Override
            protected void initChannel(SocketChannel ch) {
                ch.pipeline()
                        // for http encoding/decoding. Note that we get content in 8KB chunks and a change to that number has
                        // to go here.
                        .addLast("codec", new HttpServerCodec())
                        // for health check request handling
                        .addLast("healthCheckHandler", new HealthCheckHandler(restServerState, nettyMetrics))
                        // for public access logging
                        .addLast("publicAccessLogHandler",
                                new PublicAccessLogHandler(publicAccessLogger, nettyMetrics))
                        // for detecting connections that have been idle too long - probably because of an error.
                        .addLast("idleStateHandler",
                                new IdleStateHandler(0, 0, nettyConfig.nettyServerIdleTimeSeconds))
                        // for safe writing of chunks for responses
                        .addLast("chunker", new ChunkedWriteHandler())
                        // custom processing class that interfaces with a BlobStorageService.
                        .addLast("processor",
                                new NettyMessageProcessor(nettyMetrics, nettyConfig, requestHandler));
            }
        };
    }
}

From source file:com.github.ambry.rest.NettyServerTest.java

License:Open Source License

/**
 * Gets an instance of {@link NettyServer}.
 * @param properties the in-memory {@link Properties} to use.
 * @return an instance of {@link NettyServer}.
 * @throws InstantiationException/*from  w  w  w .  j ava2s  . c  o  m*/
 * @throws IOException
 */
private NettyServer getNettyServer(Properties properties) throws InstantiationException, IOException {
    if (properties == null) {
        // dud properties. should pick up defaults
        properties = new Properties();
    }
    VerifiableProperties verifiableProperties = new VerifiableProperties(properties);
    final NettyConfig nettyConfig = new NettyConfig(verifiableProperties);
    final NettyMetrics nettyMetrics = new NettyMetrics(new MetricRegistry());
    final RestRequestHandler requestHandler = new MockRestRequestResponseHandler();
    final PublicAccessLogger publicAccessLogger = new PublicAccessLogger(new String[] {}, new String[] {});
    final RestServerState restServerState = new RestServerState("/healthCheck");
    return new NettyServer(nettyConfig, nettyMetrics, new ChannelInitializer<SocketChannel>() {
        @Override
        protected void initChannel(SocketChannel ch) {
            ch.pipeline()
                    // for http encoding/decoding. Note that we get content in 8KB chunks and a change to that number has
                    // to go here.
                    .addLast("codec", new HttpServerCodec())
                    // for health check request handling
                    .addLast("healthCheckHandler", new HealthCheckHandler(restServerState, nettyMetrics))
                    // for public access logging
                    .addLast("publicAccessLogHandler",
                            new PublicAccessLogHandler(publicAccessLogger, nettyMetrics))
                    // for detecting connections that have been idle too long - probably because of an error.
                    .addLast("idleStateHandler",
                            new IdleStateHandler(0, 0, nettyConfig.nettyServerIdleTimeSeconds))
                    // for safe writing of chunks for responses
                    .addLast("chunker", new ChunkedWriteHandler())
                    // custom processing class that interfaces with a BlobStorageService.
                    .addLast("processor", new NettyMessageProcessor(nettyMetrics, nettyConfig, requestHandler));
        }
    });
}

From source file:com.github.ambry.tools.perf.rest.NettyPerfClient.java

License:Open Source License

/**
 * Starts the NettyPerfClient.//from  ww  w . j a  v a 2s  .co  m
 * @throws InterruptedException
 */
protected void start() {
    logger.info("Starting NettyPerfClient");
    reporter.start();
    group = new NioEventLoopGroup(concurrency);
    b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            if (sslFactory != null) {
                ch.pipeline().addLast(
                        new SslHandler(sslFactory.createSSLEngine(host, port, SSLFactory.Mode.CLIENT)));
            }
            ch.pipeline().addLast(new HttpClientCodec()).addLast(new ChunkedWriteHandler())
                    .addLast(new ResponseHandler());
        }
    });
    logger.info("Connecting to {}:{}", host, port);
    b.remoteAddress(host, port);
    perfClientStartTime = System.currentTimeMillis();
    for (int i = 0; i < concurrency; i++) {
        b.connect().addListener(channelConnectListener);
    }
    isRunning = true;
    logger.info("Created {} channel(s)", concurrency);
    logger.info("NettyPerfClient started");
}

From source file:com.github.brandtg.switchboard.LogReceiver.java

License:Apache License

/**
 * A server that listens for log regions and pipes them to an output stream.
 *
 * @param address/*from   w  ww  .ja  v  a  2 s.  com*/
 *  The socket address on which to listen
 * @param eventExecutors
 *  The Netty executor service to use for incoming traffic
 * @param outputStream
 *  The output stream to which all data should be piped
 */
public LogReceiver(InetSocketAddress address, EventLoopGroup eventExecutors, final OutputStream outputStream) {
    this.address = address;
    this.isShutdown = new AtomicBoolean(true);
    this.listeners = new HashSet<Object>();
    this.serverBootstrap = new ServerBootstrap().group(eventExecutors).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline()
                            .addLast(new LengthFieldBasedFrameDecoder(MAX_FRAME_LENGTH, LENGTH_FIELD_OFFSET,
                                    LENGTH_FIELD_LENGTH, LENGTH_ADJUSTMENT, INITIAL_BYTES_TO_STRIP));
                    ch.pipeline().addLast(new LogMessageHandler(outputStream, listeners));
                }
            });
}

From source file:com.github.brandtg.switchboard.LogRegionResource.java

License:Apache License

/**
 * Creates a resource that can serve log regions.
 *
 * @param eventExecutors The Netty executors used to send log regions asynchronously
 * @param logIndex       Used to determine which file regions to send
 * @param logReader      Used to physically read file regions if async is not used
 *//*from   ww w  .j a  v a 2 s. c o m*/
public LogRegionResource(EventLoopGroup eventExecutors, LogIndex logIndex, LogReader logReader) {
    this.logIndex = logIndex;
    this.logReader = logReader;
    this.bootstrap = new Bootstrap().group(eventExecutors).channel(NioSocketChannel.class)
            .handler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel channel) throws Exception {
                    channel.pipeline().addLast(new LengthFieldPrepender(4));
                    channel.pipeline().addLast(new ChunkedWriteHandler());
                }
            });
}

From source file:com.github.herong.rpc.netty.protobuf.demo1.ProtobufClient.java

License:Apache License

public void run() throws Exception {
    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {/* w  w w .j av a  2s .c  o  m*/
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline()

                                // 
                                .addLast("frameDecoder", new ProtobufVarint32FrameDecoder())
                                // 
                                .addLast("protobufDecoder",
                                        new ProtobufDecoder(AddressBookProtos.AddressBook.getDefaultInstance()))
                                // 
                                .addLast("frameEncoder", new ProtobufVarint32LengthFieldPrepender())
                                .addLast("protobufEncoder", new ProtobufEncoder())
                                // 
                                .addLast("handler", new ProtobufClientHandler());

                    }
                });

        // Start the client.
        ChannelFuture f = b.connect(host, port).sync();

        sendMsg(f.channel());
        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        group.shutdownGracefully();
    }
}

From source file:com.github.herong.rpc.netty.protobuf.demo1.ProtobufServer.java

License:Apache License

public void run() throws Exception {
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*www  . ja v a  2  s. c  om*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline()
                                // 
                                .addLast("frameDecoder", new ProtobufVarint32FrameDecoder())
                                // 
                                .addLast("protobufDecoder",
                                        new ProtobufDecoder(AddressBookProtos.AddressBook.getDefaultInstance()))
                                // 
                                .addLast("frameEncoder", new ProtobufVarint32LengthFieldPrepender())
                                .addLast("protobufEncoder", new ProtobufEncoder())
                                // 
                                .addLast("handler", new ProtobufServerHandler());
                    }
                });

        // Start the server.
        ChannelFuture f = b.bind(port).sync();

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.github.herong.rpc.netty.protobuf.demo2.Demo2ProtobufClient.java

License:Apache License

public void run() throws Exception {
    // Configure the client.
    EventLoopGroup group = new NioEventLoopGroup();
    try {//from  w ww  .jav a  2  s . co m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline()

                                // 
                                .addLast("frameDecoder", new ProtobufVarint32FrameDecoder())
                                // 
                                .addLast("protobufDecoder",
                                        new ProtobufDecoder(Message.DTO.getDefaultInstance()))
                                // 
                                .addLast("frameEncoder", new ProtobufVarint32LengthFieldPrepender())
                                .addLast("protobufEncoder", new ProtobufEncoder())
                                // 
                                .addLast("handler", new Demo2ProtobufClientHandler());

                    }
                });

        // Start the client.
        ChannelFuture f = b.connect(host, port).sync();

        sendMsg(f.channel());
        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        group.shutdownGracefully();
    }
}

From source file:com.github.herong.rpc.netty.protobuf.demo2.Demo2ProtobufServer.java

License:Apache License

public void run() throws Exception {
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/* ww  w.  ja v a  2s  .  co  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline()
                                // 
                                .addLast("frameDecoder", new ProtobufVarint32FrameDecoder())
                                // 
                                .addLast("protobufDecoder",
                                        new ProtobufDecoder(Message.DTO.getDefaultInstance()))
                                // 
                                .addLast("frameEncoder", new ProtobufVarint32LengthFieldPrepender())
                                .addLast("protobufEncoder", new ProtobufEncoder())
                                // 
                                .addLast("handler", new Demo2ProtobufServerHandler());
                    }
                });

        // Start the server.
        ChannelFuture f = b.bind(port).sync();

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}