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.vip.netty.basic.TimeServer.java

License:Apache License

public void bind(int port) throws Exception {
    // ??NIO// ww  w  .  j  av  a 2s . c o m
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 1024).childHandler(new ChildChannelHandler());
        // ???
        ChannelFuture f = b.bind(port).sync();

        // ???
        f.channel().closeFuture().sync();

    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

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From source file:com.vip.netty.protocol.file.FileServer.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from   www .ja  v  a 2  s. 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("Start file server at port : " + port);
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

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From source file:com.vip.netty.protocol.http.fileServer.HttpFileServer.java

License:Apache License

public void run(final int port, final String url) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//w  ww .jav  a  2 s.c om
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast("http-decoder", new HttpRequestDecoder());
                        ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(65536));
                        ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                        ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                        ch.pipeline().addLast("fileServerHandler", new HttpFileServerHandler(url));
                    }
                });
        ChannelFuture future = b.bind("192.168.0.106", port).sync();
        System.out.println(
                "HTTP??? : " + "http://192.168.0.106:" + port + url);
        future.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

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From source file:com.vmware.dcp.common.http.netty.NettyHttpListener.java

License:Open Source License

public void start(int port, String bindAddress) throws Throwable {
    ExecutorServiceFactory f = (tc) -> {
        return Executors.newFixedThreadPool(EVENT_LOOP_THREAD_COUNT,
                r -> new Thread(r, this.host.getUri().toString() + "/netty-listener/" + this.host.getId()));
    };/*from  ww w . j  a v  a  2  s.c o  m*/

    this.parentGroup = new NioEventLoopGroup(EVENT_LOOP_THREAD_COUNT, f);
    this.childGroup = new NioEventLoopGroup(EVENT_LOOP_THREAD_COUNT, f);

    if (this.childChannelHandler == null) {
        this.childChannelHandler = new NettyHttpServerInitializer(this.host, this.sslContext);
    }

    ServerBootstrap b = new ServerBootstrap();
    b.group(this.parentGroup, this.childGroup).channel(NioServerSocketChannel.class)
            .childHandler(this.childChannelHandler);

    InetSocketAddress addr = null;
    if (bindAddress != null) {
        addr = new InetSocketAddress(bindAddress, port);
    } else {
        this.host.log(Level.WARNING, "*** Binding to all interfaces, please supply a bindAddress instead ***");
        addr = new InetSocketAddress(port);
    }
    this.serverChannel = b.bind(addr).sync().channel();
    this.serverChannel.config().setOption(ChannelOption.SO_LINGER, 0);
    this.port = ((InetSocketAddress) this.serverChannel.localAddress()).getPort();
}

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From source file:com.weibo.api.motan.transport.netty4.http.Netty4HttpServer.java

License:Apache License

@Override
public boolean open() {
    if (isAvailable()) {
        return true;
    }//from  w  w w.ja v  a 2  s. co m
    if (channel != null) {
        channel.close();
    }
    if (bossGroup == null) {
        bossGroup = new NioEventLoopGroup();
        workerGroup = new NioEventLoopGroup();
    }
    boolean shareChannel = url.getBooleanParameter(URLParamType.shareChannel.getName(),
            URLParamType.shareChannel.getBooleanValue());
    // TODO max connection protect
    int maxServerConnection = url.getIntParameter(URLParamType.maxServerConnection.getName(),
            URLParamType.maxServerConnection.getIntValue());
    int workerQueueSize = url.getIntParameter(URLParamType.workerQueueSize.getName(), 500);

    int minWorkerThread = 0, maxWorkerThread = 0;

    if (shareChannel) {
        minWorkerThread = url.getIntParameter(URLParamType.minWorkerThread.getName(),
                MotanConstants.NETTY_SHARECHANNEL_MIN_WORKDER);
        maxWorkerThread = url.getIntParameter(URLParamType.maxWorkerThread.getName(),
                MotanConstants.NETTY_SHARECHANNEL_MAX_WORKDER);
    } else {
        minWorkerThread = url.getIntParameter(URLParamType.minWorkerThread.getName(),
                MotanConstants.NETTY_NOT_SHARECHANNEL_MIN_WORKDER);
        maxWorkerThread = url.getIntParameter(URLParamType.maxWorkerThread.getName(),
                MotanConstants.NETTY_NOT_SHARECHANNEL_MAX_WORKDER);
    }
    final int maxContentLength = url.getIntParameter(URLParamType.maxContentLength.getName(),
            URLParamType.maxContentLength.getIntValue());
    final NettyHttpRequestHandler handler = new NettyHttpRequestHandler(this, messageHandler,
            new ThreadPoolExecutor(minWorkerThread, maxWorkerThread, 15, TimeUnit.SECONDS,
                    new ArrayBlockingQueue<Runnable>(workerQueueSize)));

    ServerBootstrap b = new ServerBootstrap();
    b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast("http-decoder", new HttpRequestDecoder());
                    ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(maxContentLength));
                    ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                    ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                    ch.pipeline().addLast("serverHandler", handler);
                }
            }).option(ChannelOption.SO_BACKLOG, 1024).childOption(ChannelOption.SO_KEEPALIVE, false);

    ChannelFuture f;
    try {
        f = b.bind(url.getPort()).sync();
        channel = f.channel();
    } catch (InterruptedException e) {
        LoggerUtil.error("init http server fail.", e);
        return false;
    }
    state = ChannelState.ALIVE;
    StatsUtil.registryStatisticCallback(this);
    LoggerUtil.info("Netty4HttpServer ServerChannel finish Open: url=" + url);
    return true;
}

---

From source file:com.weibo.yar.yarserver.NettyYarServer.java

License:Apache License

public void start(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//w  ww. ja  v a  2 s .  c  om
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast("http-decoder", new HttpRequestDecoder());
                        ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(65536));
                        ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                        ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                        ch.pipeline().addLast("serverHandler", new HttpServerHandler());
                    }
                }).option(ChannelOption.SO_BACKLOG, 1024).childOption(ChannelOption.SO_KEEPALIVE, true);

        ChannelFuture f = b.bind(port).sync();

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

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From source file:com.whizzosoftware.hobson.hub.websockets.WebSocketsPlugin.java

License:Open Source License

@Override
public void onStartup(PropertyContainer config) {
    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 WebSocketServerInitializer(clientChannels, getAccessManager()));

    b.bind(PORT).addListener(new GenericFutureListener<ChannelFuture>() {
        @Override//from w  w w.  ja  v a 2 s  . co  m
        public void operationComplete(ChannelFuture future) throws Exception {
            WebSocketsPlugin.this.channel = future.channel();
            logger.debug("WebSocket server started at port {}", PORT);
            getHubManager().getLocalManager().setWebSocketInfo("ws", PORT, null);
        }
    });
}

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From source file:com.wuma.file.FileServer.java

License:Apache License

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

    // 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 StringEncoder(CharsetUtil.UTF_8), new LineBasedFrameDecoder(8192),
                                new StringDecoder(CharsetUtil.UTF_8), new ChunkedWriteHandler(),
                                new FileServerHandler());
                    }
                });

        // 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.wx3.galacdecks.networking.NettyWebSocketServer.java

License:Open Source License

public void start() {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from   w w w. j  a  v  a 2  s. c  om
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new WebSocketServerInitializer(this, null));

        Channel ch = b.bind(port).sync().channel();
        // This blocks until the channel is closed:
        ch.closeFuture().sync();

    } catch (InterruptedException e) {
        // What do we do with an interupted exception?
        e.printStackTrace();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

From source file:com.xiovr.unibot.utils.EchoServer.java

License:Open Source License

public void startServer() {

    if (bStarted) {
        return;/*from   www .  ja  va 2 s.  c  o  m*/
    }
    // Configure the server.
    bossGroup = new NioEventLoopGroup(1);
    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();
                        p.addLast(new EchoServerHandler());
                    }
                });

        // Start the server.
        cf = b.bind(addr).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                //               System.out.println("Echo server started");
                EchoServer.this.bStarted = true;
            }
        });
    } catch (Exception e) {
        e.printStackTrace();
    }

}

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