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.beeswax.http.server.HttpServer.java

License:Apache License

public void run() throws InterruptedException {
    // Create event loop groups. One for incoming connections handling and
    // second for handling actual event by workers
    final NioEventLoopGroup bossGroup = new NioEventLoopGroup(serverConfig.bossGroupSize);
    final NioEventLoopGroup workerGroup = new NioEventLoopGroup();

    try {//w w  w.  j a v a 2 s .com
        ServerBootstrap bootStrap = new ServerBootstrap();
        bootStrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO))
                // SO_BACKLOG : The maximum queue length for incoming connections.
                .option(ChannelOption.SO_BACKLOG, serverConfig.backlogSize)
                // TCP_NODELAY: option to disable Nagle's algorithm to achieve lower latency on every packet sent
                .option(ChannelOption.TCP_NODELAY, serverConfig.tcpNodelay)
                // SO_KEEPALIVE: option to enable keep-alive packets for a socket connection
                .childOption(ChannelOption.SO_KEEPALIVE, serverConfig.keepAlive)
                .childHandler(new HttpServerChannelInitializer(serverConfig, handlerFactory));

        // bind to port
        final ChannelFuture channelFuture = bootStrap.bind(serverConfig.port).sync();

        // Wait until the server socket is closed.
        channelFuture.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.bloom.zerofs.rest.NettyServer.java

License:Open Source License

@Override
public void start() throws InstantiationException {
    long startupBeginTime = System.currentTimeMillis();
    try {// www .  ja v  a  2 s  . c o  m
        logger.trace("Starting NettyServer deployment");
        bossGroup = new NioEventLoopGroup(nettyConfig.nettyServerBossThreadCount);
        workerGroup = new NioEventLoopGroup(nettyConfig.nettyServerWorkerThreadCount);
        ServerBootstrap b = new ServerBootstrap();
        // Netty creates a new instance of every class in the pipeline for every connection
        // i.e. if there are a 1000 active connections there will be a 1000 NettyMessageProcessor instances.
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, nettyConfig.nettyServerSoBacklog)
                .handler(new LoggingHandler(LogLevel.DEBUG)).childHandler(channelInitializer);
        b.bind(nettyConfig.nettyServerPort).sync();
        logger.info("NettyServer now listening on port {}", nettyConfig.nettyServerPort);
    } catch (InterruptedException e) {
        logger.error("NettyServer start await was interrupted", e);
        nettyMetrics.nettyServerStartError.inc();
        throw new InstantiationException(
                "Netty server bind to port [" + nettyConfig.nettyServerPort + "] was interrupted");
    } finally {
        long startupTime = System.currentTimeMillis() - startupBeginTime;
        logger.info("NettyServer start took {} ms", startupTime);
        nettyMetrics.nettyServerStartTimeInMs.update(startupTime);
    }
}

From source file:com.bloom.zerofs.tools.perf.rest.NettyPerfClient.java

License:Open Source License

/**
 * Starts the NettyPerfClient./* w  w w.  jav  a 2s . co m*/
 * @throws InterruptedException
 */
protected void start() throws InterruptedException {
    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 {
            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.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 ww .jav  a  2  s  . com*/
        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();
}

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) {/*w w w  . java 2s. c  om*/
        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();
    }
}

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) {//  w  w  w.  j  a  va  2 s  . 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.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 {/*  w  w  w.ja v a 2 s . c om*/
        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.carlos.netty.server.ObjectEchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {//from   ww w . j  a  v a 2  s .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 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.cats.version.httpserver.HttpStaticVersionMonitorFileServer.java

License:Apache License

private void init() throws Exception {
    // Configure SSL.
    final SslContext sslCtx = null;

    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//  w w w . ja  va 2 s  .c o m
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new HttpStaticFileServerInitializer(sslCtx));

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

        System.err.println("Open your web browser and navigate to http://127.0.0.1:" + PORT + '/');
        System.err.println("Welcome use " + VERSION_DESC);

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

From source file:com.ccompass.netty.proxy.Proxy.java

License:Apache License

public static void main(String[] args) throws Exception {
    ProxyConfig.loadConfig();/*  www  .  j a va 2 s  . c  o  m*/
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    checkOtherChannel(ProxyConfig.config.checktimes);
    //?grops
    for (int i = 0; i < ProxyConfig.config.branchList.size(); i++) {
        ChannelGroup group = new DefaultChannelGroup("server-group", null);
        NettyClient.sinkGroups.add(group);
    }
    //????
    if (ProxyConfig.config.branchNumbers > 0) {
        List<List<Channel>> list = new ArrayList();
        for (int i = 0; i < ProxyConfig.config.branchList.size(); i++) {
            List<Channel> channels = new ArrayList<Channel>();
            list.add(channels);
        }
        NettyClient.setSinkChannels(list);
    }
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                //    .handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ProxyInitializer(ProxyConfig.config.mainIP, ProxyConfig.config.mainPort))
                .childOption(ChannelOption.AUTO_READ, false).bind(ProxyConfig.config.proxyPort).sync().channel()
                .closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}