Example usage for io.netty.bootstrap ServerBootstrap group

List of usage examples for io.netty.bootstrap ServerBootstrap group

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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.lampard.netty4.protocol.netty.server.NettyServer.java

License:Apache License

public void bind() throws Exception {
    // ??NIO/*from   w w  w . ja va  2 s.c  o m*/
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    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 IOException {
                    ch.pipeline().addLast(new NettyMessageDecoder(1024 * 1024, 4, 4));
                    ch.pipeline().addLast(new NettyMessageEncoder());
                    ch.pipeline().addLast("readTimeoutHandler", new ReadTimeoutHandler(50));
                    ch.pipeline().addLast(new LoginAuthRespHandler());
                    ch.pipeline().addLast("HeartBeatHandler", new HeartBeatRespHandler());
                }
            });

    // ???
    b.bind(NettyConstant.REMOTEIP, NettyConstant.PORT).sync();
    LOG.info("Netty server start ok : " + (NettyConstant.REMOTEIP + " : " + NettyConstant.PORT));
}

From source file:com.lb.mysession.server.TestPro.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from  w  w w.  java2  s.  c  om
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ProtobufServerInitializer());

        Channel ch = b.bind(port).sync().channel();
        System.out.println("Web socket server started at port " + port + '.');
        System.out.println("Open your browser and navigate to http://localhost:" + port + '/');

        ch.closeFuture().sync();

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

From source file:com.lb.netty.protoc.SubReqServer.java

License:Apache License

public void bind(int port) throws Exception {
    // ??NIO//from   w  ww.  j  av  a 2  s.co  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, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) {
                        ch.pipeline().addLast(new ProtobufVarint32FrameDecoder());
                        // protobuffer
                        ch.pipeline().addLast(
                                new ProtobufDecoder(SubscribeReqProto.SubscribeReq.getDefaultInstance()));
                        ch.pipeline().addLast(new ProtobufVarint32LengthFieldPrepender());
                        ch.pipeline().addLast(new ProtobufEncoder());
                        ch.pipeline().addLast(new SubReqServerHandler());
                    }
                });
        // ???
        ChannelFuture f = b.bind(port).sync();
        // ???
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.leadtone.riders.server.RidersWebSocketServer.java

License:Apache License

public void start() throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from   w ww .ja v a2  s .  co  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).childHandler(serverInitializer);

        Channel ch = b.bind(port).sync().channel();
        log.info("Web socket server started at port " + port + '.');
        log.info("Open your browser and navigate to http://localhost:" + port + '/');

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

From source file:com.liferay.nativity.control.findersync.FSNativityControlImpl.java

License:Open Source License

@Override
public boolean connect() {
    if (_connected) {
        return true;
    }/* w  w w  .j  ava2  s  .  co  m*/

    _childEventLoopGroup = new NioEventLoopGroup();
    _parentEventLoopGroup = new NioEventLoopGroup();

    try {
        ServerBootstrap serverBootstrap = new ServerBootstrap();

        serverBootstrap.group(_parentEventLoopGroup, _childEventLoopGroup);

        serverBootstrap.channel(NioServerSocketChannel.class);

        ChannelInitializer channelInitializer = new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel socketChannel) throws Exception {

                DelimiterBasedFrameDecoder messageDecoder = new DelimiterBasedFrameDecoder(Integer.MAX_VALUE,
                        Delimiters.lineDelimiter());

                FinderSyncChannelHandler finderSyncChannelHandler = new FinderSyncChannelHandler();

                socketChannel.pipeline().addLast(messageDecoder, finderSyncChannelHandler);
            }
        };

        serverBootstrap.childHandler(channelInitializer);

        serverBootstrap.childOption(ChannelOption.SO_KEEPALIVE, true);

        ChannelFuture channelFuture = serverBootstrap.bind(0).sync();

        InetSocketAddress inetSocketAddress = (InetSocketAddress) channelFuture.channel().localAddress();

        _writePortToFile(inetSocketAddress.getPort());
    } catch (Exception e) {
        _logger.error(e.getMessage(), e);

        _connected = false;

        return false;
    }

    _connected = true;

    return true;
}

From source file:com.liferay.sync.engine.lan.server.file.LanFileServer.java

License:Open Source License

public void start() throws Exception {
    _childEventLoopGroup = new NioEventLoopGroup();
    _parentEventLoopGroup = new NioEventLoopGroup(1);

    ServerBootstrap serverBootstrap = new ServerBootstrap();

    serverBootstrap.group(_parentEventLoopGroup, _childEventLoopGroup);
    serverBootstrap.channel(NioServerSocketChannel.class);

    _syncTrafficShapingHandler = new SyncTrafficShapingHandler(_childEventLoopGroup);

    _lanFileServerInitializer = new LanFileServerInitializer(_syncTrafficShapingHandler);

    serverBootstrap.childHandler(_lanFileServerInitializer);

    serverBootstrap.childOption(ChannelOption.SO_KEEPALIVE, true);

    ChannelFuture channelFuture = serverBootstrap.bind(PropsValues.SYNC_LAN_SERVER_PORT);

    try {/*from   w  w  w.  j a  va  2  s.  co m*/
        channelFuture.sync();
    } catch (Exception e) {

        // Compiling fails when directly catching BindException. Netty seems
        // to throw an undeclared exception.

        if (e instanceof BindException) {
            channelFuture = serverBootstrap.bind(0);

            channelFuture.sync();
        } else {
            throw e;
        }
    }

    Channel channel = channelFuture.channel();

    InetSocketAddress inetSocketAddress = (InetSocketAddress) channel.localAddress();

    _port = inetSocketAddress.getPort();

    channelFuture.sync();

    Runnable runnable = new Runnable() {

        @Override
        public void run() {
            long count = SyncFileService.getSyncFilesCount(SyncFile.UI_EVENT_DOWNLOADING,
                    SyncFile.UI_EVENT_UPLOADING);

            long writeDelay = 0;

            if (count > 0) {
                _syncTrafficShapingHandler.setWriteDelay(PropsValues.SYNC_LAN_SERVER_WRITE_DELAY);
            }

            _syncTrafficShapingHandler.setWriteDelay(writeDelay);
        }

    };

    ScheduledExecutorService scheduledExecutorService = LanEngine.getScheduledExecutorService();

    scheduledExecutorService.scheduleWithFixedDelay(runnable, 0, 500, TimeUnit.MILLISECONDS);
}

From source file:com.lin.studytest.netty.server.EchoServer.java

License:Apache License

public static void main(String[] args) throws Exception {

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*w  w  w  .  jav a 2s . 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 {
                        ChannelPipeline p = ch.pipeline();
                        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.linecorp.armeria.server.Server.java

License:Apache License

private ChannelFuture start(ServerPort port) {
    ServerBootstrap b = new ServerBootstrap();

    b.group(bossGroup, workerGroup);
    b.channel(/*from  ww  w. j  av  a 2 s.com*/
            NativeLibraries.isEpollAvailable() ? EpollServerSocketChannel.class : NioServerSocketChannel.class);
    b.childHandler(new HttpServerPipelineConfigurator(config, port, sslContexts,
            Optional.ofNullable(gracefulShutdownHandler)));

    return b.bind(port.localAddress());
}

From source file:com.linkedin.mitm.proxy.ProxyServer.java

License:Open Source License

/**
 * Start proxy server//w ww .ja  va 2s.c o m
 * */
public void start() throws InterruptedException {
    ServerBootstrap serverBootstrap = new ServerBootstrap();
    serverBootstrap.group(_acceptorGroup, _upstreamWorkerGroup);
    serverBootstrap.channelFactory(new ChannelFactory<ServerChannel>() {
        @Override
        public ServerChannel newChannel() {
            return new NioServerSocketChannel();
        }
    });
    serverBootstrap.childHandler(new ProxyInitializer(this));

    //bind
    ChannelFuture future = serverBootstrap.bind(_host, _port);

    //wait for the future
    future.awaitUninterruptibly();
    if (!future.isSuccess()) {
        future.channel().closeFuture().awaitUninterruptibly();
        throw new ChannelException(String.format("Failed to bind to: %s:%d", _host, _port), future.cause());
    } else {
        _allChannels.add(future.channel());
    }
}

From source file:com.linkedin.pinot.transport.netty.NettyTCPServer.java

License:Apache License

@Override
protected ServerBootstrap getServerBootstrap() {
    ServerBootstrap b = new ServerBootstrap();
    b.group(_bossGroup, _workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(createChannelInitializer()).option(ChannelOption.SO_BACKLOG, 128)
            .childOption(ChannelOption.SO_KEEPALIVE, true);
    return b;/*from   ww w. j  a v a  2 s.c  o m*/
}