Example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

List of usage examples for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

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Introduction

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

Prototype

public NioEventLoopGroup(ThreadFactory threadFactory)

Source Link

Document

Create a new instance using the default number of threads, the given ThreadFactory and the SelectorProvider which is returned by SelectorProvider#provider() .

Usage

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

License:Open Source License

/**
 * Creates a new instance of NettyServer.
 * @param nettyConfig the {@link NettyConfig} instance that defines the configuration parameters for the NettyServer.
 * @param nettyMetrics the {@link NettyMetrics} instance to use to record metrics.
 * @param channelInitializer A {@link ChannelInitializer} that is used to initialize new channels.
 *///from  w w w.j  a  va 2 s .  com
public NettyServer(NettyConfig nettyConfig, NettyMetrics nettyMetrics,
        ChannelInitializer<SocketChannel> channelInitializer) {
    this.nettyConfig = nettyConfig;
    this.nettyMetrics = nettyMetrics;
    this.channelInitializer = channelInitializer;
    bossGroup = new NioEventLoopGroup(nettyConfig.nettyServerBossThreadCount);
    workerGroup = new NioEventLoopGroup(nettyConfig.nettyServerWorkerThreadCount);
    logger.trace("Instantiated NettyServer");
}

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

License:Open Source License

/**
 * Starts the NettyPerfClient./*from  w ww  .  j  av  a 2s  .  c o  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.gregwhitaker.requestreply.Client.java

License:Apache License

public void start() throws Exception {
    Publisher<ClientTcpDuplexConnection> publisher = ClientTcpDuplexConnection.create(remoteAddress,
            new NioEventLoopGroup(1));

    ClientTcpDuplexConnection duplexConnection = RxReactiveStreams.toObservable(publisher).toBlocking().last();
    ReactiveSocket reactiveSocket = DefaultReactiveSocket.fromClientConnection(duplexConnection,
            ConnectionSetupPayload.create("UTF-8", "UTF-8"), t -> t.printStackTrace());

    reactiveSocket.startAndWait();//from w w w .  j a va  2s .  c  o  m

    // Create an observable that emits messages at a specific interval.
    Publisher<Payload> requestStream = RxReactiveStreams.toPublisher(
            Observable.interval(1_000, TimeUnit.MILLISECONDS).onBackpressureDrop().map(i -> new Payload() {
                @Override
                public ByteBuffer getData() {
                    return ByteBuffer.wrap(("YO " + i).getBytes());
                }

                @Override
                public ByteBuffer getMetadata() {
                    return Frame.NULL_BYTEBUFFER;
                }
            }));

    final CountDownLatch latch = new CountDownLatch(Integer.MAX_VALUE);

    requestStream.subscribe(new Subscriber<Payload>() {
        @Override
        public void onSubscribe(Subscription s) {
            s.request(Long.MAX_VALUE);
        }

        @Override
        public void onNext(Payload payload) {
            ByteBuf buffer = Unpooled.buffer(payload.getData().capacity());
            buffer.writeBytes(payload.getData());

            byte[] bytes = new byte[buffer.capacity()];
            buffer.readBytes(bytes);

            System.out.println("Client Sent: " + new String(bytes));

            reactiveSocket.requestResponse(payload).subscribe(new Subscriber<Payload>() {
                @Override
                public void onSubscribe(Subscription s) {
                    s.request(Long.MAX_VALUE);
                }

                @Override
                public void onNext(Payload payload) {
                    ByteBuf buffer = Unpooled.buffer(payload.getData().capacity());
                    buffer.writeBytes(payload.getData());

                    byte[] bytes = new byte[buffer.capacity()];
                    buffer.readBytes(bytes);

                    System.out.println("Client Received: " + new String(bytes));

                    latch.countDown();
                }

                @Override
                public void onError(Throwable t) {
                    latch.countDown();
                }

                @Override
                public void onComplete() {
                    latch.countDown();
                }
            });
        }

        @Override
        public void onError(Throwable t) {

        }

        @Override
        public void onComplete() {

        }
    });

    latch.await();
    System.exit(0);
}

From source file:com.github.gregwhitaker.requestreply.Server.java

License:Apache License

/**
 * Starts the server./*from   w  ww  . j  a va  2s  .c o m*/
 *
 * @throws Exception
 */
private void start() throws Exception {
    ServerBootstrap server = new ServerBootstrap();
    server.group(new NioEventLoopGroup(1), new NioEventLoopGroup(4)).channel(NioServerSocketChannel.class)
            .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ReactiveSocketChannelInitializer());

    server.bind(bindAddress).sync();
}

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 {/*from w  w  w .j a v  a2  s  .  c  o 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(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.Demo2ProtobufServer.java

License:Apache License

public void run() throws Exception {
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//w ww  .  j a  va 2  s  .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();
    }
}

From source file:com.github.jonbonazza.puni.core.Application.java

License:Apache License

private void bootstrap() throws Exception {
    SslContext sslContext = null;/*from w w w  . j  a  v a 2 s  .c  o  m*/
    SSLConfiguration sslConfig = config.getSsl();
    if (config.getSsl().isEnabled()) {
        sslContext = SslContext.newServerContext(new File(sslConfig.getCert()),
                new File(sslConfig.getPrivateKey()));
    }

    EventLoopGroup eventGroup = new NioEventLoopGroup(config.getEventLoopThreadCount());

    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(eventGroup).channel(NioServerSocketChannel.class).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new HttpInitializer(sslContext, muxer));
        Channel ch = b.bind(config.getPort()).sync().channel();
        ch.closeFuture().sync();
        bootstrapped = true;
    } finally {
        eventGroup.shutdownGracefully();
    }
}

From source file:com.github.nettybook.ch7.junit.TelnetServerV3.java

License:Apache License

public void start() {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {//  www . j a v  a 2 s  . c  o  m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new TelnetServerInitializerV3());

        ChannelFuture future = b.bind(address).sync();

        future.channel().closeFuture().sync();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.github.nettybook.ch8.HttpSnoopServer.java

License:Apache License

@SuppressWarnings("deprecation")
public static void main(String[] args) throws Exception {
    SslContext sslCtx = null;//from  ww w. ja  va 2 s.  com

    try {
        File certChainFile = new File("netty.crt");
        File keyFile = new File("privatekey.pem");
        keyFile.exists();

        sslCtx = SslContext.newServerContext(certChainFile, keyFile, "1234");
    } catch (SSLException e) {
        e.printStackTrace();
        System.out.println("Can not create SSL context! \n Server will be stop!");
    }

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new HttpSnoopServerInitializer(sslCtx));

        Channel ch = b.bind(PORT).sync().channel();

        ch.closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.github.nettybook.ch8.TelnetServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from   ww  w  .  j  a  v a2 s.c om
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new TelnetServerInitializer());

        b.bind(listenPort).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}