Example usage for io.netty.bootstrap ServerBootstrap group

Introduction

In this page you can find the example usage for io.netty.bootstrap ServerBootstrap group.

Prototype

public ServerBootstrap group(EventLoopGroup parentGroup, EventLoopGroup childGroup) 

Source Link

Document

Set the EventLoopGroup for the parent (acceptor) and the child (client).

Usage

From source file:com.bosscs.spark.commons.extractor.server.ExtractorServer.java

License:Apache License

public static void start() throws CertificateException, SSLException, InterruptedException {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*  w  w  w.ja  va 2s .  co  m*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
    } else {
        sslCtx = null;
    }

    bossGroup = new NioEventLoopGroup(1);
    workerGroup = new NioEventLoopGroup();

    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ExtractorServerInitializer(sslCtx));

    b.bind(PORT).sync().channel().closeFuture().sync();
}

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From source file:com.bow.demo.module.netty.demo.echo.EchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*from  www  .  ja  va2 s  . c  o m*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    } else {
        sslCtx = null;
    }

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        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 {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc()));
                        }
                        //p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new EchoServerHandler());
                    }
                });

        // 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();
    }
}

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From source file:com.bow.demo.module.netty.demo.objectecho.ObjectEchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {//from   w  w w .j av a 2s.c o  m
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    } else {
        sslCtx = null;
    }

    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 ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc()));
                        }
                        p.addLast(new ObjectEncoder(), new ObjectDecoder(ClassResolvers.cacheDisabled(null)),
                                new ObjectEchoServerHandler());
                    }
                });

        // Bind and start to accept incoming connections.
        b.bind(PORT).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

From source file:com.brainlounge.zooterrain.netty.WebSocketServer.java

License:Apache License

public void run() throws Exception {

    final ZkStateObserver zkStateObserver = new ZkStateObserver(zkConnection);

    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//  ww w . j  a v a2 s.c  o  m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new WebSocketServerInitializer(zkStateObserver));

        Channel ch = b.bind(port).sync().channel();
        System.out.println("Zooterrain server started at port " + port + '.');

        zkStateObserver.start();

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

}

---

From source file:com.buildria.mocking.stub.StubHttpServer.java

License:Open Source License

@Override
public StubHttpServer start() {
    Stopwatch sw = createStarted();//from   ww  w.ja  va2s  .co  m
    bossGroup = new NioEventLoopGroup();
    workerGroup = new NioEventLoopGroup();

    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                // CHECKSTYLE:OFF
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    // CHECKSTYLE:ON
                    // int maxInitialLineLength, int maxHeaderSize, int maxChunkSize
                    ch.pipeline().addLast("decoder",
                            new HttpRequestDecoder(MAX_INITIALLINE_LENGH, MAX_HEADERS_SIZE, MAX_CHUNK_SIZE));
                    ch.pipeline().addLast("aggregator", new HttpObjectAggregator(MAX_CONTENT_LENGTH));
                    ch.pipeline().addLast("encoder", new HttpResponseEncoder());
                    ch.pipeline().addLast("deflater", new HttpContentCompressor());
                    if (config.isLogging()) {
                        ch.pipeline().addLast("logging", new LoggingHandler(StubHttpServer.class));
                    }
                    ch.pipeline().addLast("handler", new Handler());
                }
            }).option(ChannelOption.SO_BACKLOG, SO_BACKLOG).childOption(ChannelOption.SO_KEEPALIVE, true);

    // Bind and start to accept incoming connections.
    int port = config.getPort();
    ChannelFuture f;
    try {
        f = b.bind(port).sync();
    } catch (InterruptedException ex) {
        throw new MockingException(ex);
    }
    f.awaitUninterruptibly();
    sw.stop();
    LOG.debug("### StubHttpServer(port:{}) started. It took {}", port, sw);
    return this;
}

---

From source file:com.bunjlabs.fuga.network.netty.NettyHttpServer.java

License:Apache License

@Override
public void start() {
    if (addr instanceof InetSocketAddress) {
        InetSocketAddress inetAddr = (InetSocketAddress) addr;
        log.info("Starting up HTTP server at {}{}{}/", "http://", inetAddr.getHostString(),
                inetAddr.getPort() == 80 ? "" : ":" + inetAddr.getPort());
    } else {/* w w  w. java  2 s  . c  om*/
        log.info("Starting up HTTP server");
    }

    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new NettyHttpServerInitializer(app));
        Channel ch = b.bind(addr).sync().channel();
        ch.closeFuture().sync();
    } catch (Exception ex) {
        log.error(ex);
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

From source file:com.caocao.nio.server.NettyServer.java

License:Apache License

public void initAndStart() {
    System.out.println("port:" + port);
    // Configure the server.
    bossGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2);
    workerGroup = new NioEventLoopGroup(Runtime.getRuntime().availableProcessors() * 2);
    try {//from  w  w  w . jav  a  2s. c o  m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 128).option(ChannelOption.SO_KEEPALIVE, true)
                .option(ChannelOption.TCP_NODELAY, true).option(ChannelOption.SO_SNDBUF, 5 * 1024)
                .option(ChannelOption.SO_SNDBUF, 5 * 1024)
                .option(ChannelOption.RCVBUF_ALLOCATOR, new AdaptiveRecvByteBufAllocator(40, 64, 1024))
                .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new CustomerInitializer());

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

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } catch (InterruptedException e) {
        logger.error("netty??", e);
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

From source file:com.caricah.iotracah.server.netty.ServerImpl.java

License:Apache License

/**
 * The @link configure method is responsible for starting the implementation server processes.
 * The implementation should return once the server has started this allows
 * the launcher to maintain the life of the application.
 *
 * @throws UnRetriableException//from  w  w  w . j a v  a2 s  .c om
 */
public void initiate() throws UnRetriableException {

    log.info(" configure : initiating the netty server.");

    try {

        int countOfAvailableProcessors = Runtime.getRuntime().availableProcessors() + 1;

        if (Epoll.isAvailable()) {
            bossEventLoopGroup = new EpollEventLoopGroup(2, getExecutorService());
            workerEventLoopGroup = new EpollEventLoopGroup(countOfAvailableProcessors, getExecutorService());

        } else {
            bossEventLoopGroup = new NioEventLoopGroup(2, getExecutorService());
            workerEventLoopGroup = new NioEventLoopGroup(countOfAvailableProcessors, getExecutorService());
        }

        //Initialize listener for TCP
        ServerBootstrap tcpBootstrap = new ServerBootstrap();
        tcpBootstrap.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
        tcpBootstrap.childOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, 32 * 1024);
        tcpBootstrap.childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, 8 * 1024);

        tcpBootstrap = tcpBootstrap.group(bossEventLoopGroup, workerEventLoopGroup);

        if (Epoll.isAvailable()) {
            tcpBootstrap = tcpBootstrap.channel(EpollServerSocketChannel.class);
        } else {
            tcpBootstrap = tcpBootstrap.channel(NioServerSocketChannel.class);
        }

        tcpBootstrap = tcpBootstrap.handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(getServerInitializer(this, getConnectionTimeout()));

        ChannelFuture tcpChannelFuture = tcpBootstrap.bind(getTcpPort()).sync();
        tcpChannel = tcpChannelFuture.channel();

        if (isSslEnabled()) {
            //Initialize listener for SSL
            ServerBootstrap sslBootstrap = new ServerBootstrap();
            sslBootstrap.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
            sslBootstrap.childOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, 32 * 1024);
            sslBootstrap.childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, 8 * 1024);

            sslBootstrap = sslBootstrap.group(bossEventLoopGroup, workerEventLoopGroup);

            if (Epoll.isAvailable()) {
                sslBootstrap = sslBootstrap.channel(EpollServerSocketChannel.class);
            } else {
                sslBootstrap = sslBootstrap.channel(NioServerSocketChannel.class);
            }

            sslBootstrap = sslBootstrap.handler(new LoggingHandler(LogLevel.INFO))
                    .childHandler(getServerInitializer(this, getConnectionTimeout(), getSslHandler()));

            ChannelFuture sslChannelFuture = sslBootstrap.bind(getSslPort()).sync();
            sslChannel = sslChannelFuture.channel();
        }

    } catch (InterruptedException e) {

        log.error(" configure : Initialization issues ", e);

        throw new UnRetriableException(e);

    }

}

---

From source file:com.carlos.netty.server.ObjectEchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*www. j a va 2s  . c om*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    } else {
        sslCtx = null;
    }

    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new EchoLoginHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc()));
                        }
                        p.addLast(new StringEncoder(), new StringDecoder(), new ObjectEchoServerHandler());
                    }
                });

        // Bind and start to accept incoming connections.
        b.bind(PORT).sync().channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

From source file:com.cat.netty.file.FileServer.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from  w w w .  j  a v a  2s . c  o  m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).childHandler(new ChannelInitializer<SocketChannel>() {
                    /*
                     * (non-Javadoc)
                     *
                     * @see
                     * io.netty.channel.ChannelInitializer#initChannel(io
                     * .netty.channel.Channel)
                     */
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new StringEncoder(CharsetUtil.UTF_8),
                                new LineBasedFrameDecoder(1024), new StringDecoder(CharsetUtil.UTF_8),
                                new FileServerHandler());
                    }
                });
        ChannelFuture f = b.bind(port).sync();
        System.out.println("Server start at port : " + port);
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

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