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.dinstone.rpc.netty.server.NettyServer.java

License:Apache License

public void start() {
    bossGroup = new NioEventLoopGroup();
    workerGroup = new NioEventLoopGroup();
    try {//from  w ww  .ja v a2  s  .  c o m
        ServerBootstrap boot = new ServerBootstrap();
        boot.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new RpcProtocolDecoder(true));
                        ch.pipeline().addLast(new RpcProtocolEncoder(true));
                        ch.pipeline().addLast(new NettyServerHandler(handler));
                    }
                });
        boot.option(ChannelOption.SO_BACKLOG, 128);
        boot.childOption(ChannelOption.SO_KEEPALIVE, true);

        int port = config.getInt(Constants.SERVICE_PORT, Constants.DEFAULT_SERVICE_PORT);
        InetSocketAddress localAddress = new InetSocketAddress(port);
        String host = config.get(Constants.SERVICE_HOST);
        if (host != null) {
            localAddress = new InetSocketAddress(host, port);
        }
        LOG.info("RPC service works on " + localAddress);

        boot.bind(localAddress).sync();
    } catch (InterruptedException e) {
        throw new RpcException(500, "Server can't bind to the specified local address ", e);
    }
}

From source file:com.dlc.server.DLCHttpServer.java

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {//from   w  w  w.  j  av a2  s  . c om
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
    } else {
        sslCtx = null;
    }

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO)).childHandler(new DLCHttpServerInitializer(sslCtx));

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

        System.err.println("Open your web browser and navigate to " + (SSL ? "https" : "http") + "://127.0.0.1:"
                + PORT + '/');

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

From source file:com.doctor.netty5.ebook.netty_the_definitive_guide.Chapter4ForTimerServer.java

License:Apache License

public void bind(int port) throws InterruptedException {
    // ??NIO/* w  ww  .ja  v  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, 1024).childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new LineBasedFrameDecoder(1024));
                        ch.pipeline().addLast(new StringDecoder());
                        ch.pipeline().addLast(new TimeServerHander());

                    }
                });

        ChannelFuture future = b.bind(port).sync();
        future.channel().closeFuture().sync();
    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}

From source file:com.doctor.netty5.ebook.netty_the_definitive_guide.TimeServer.java

License:Apache License

public void bind(int port) throws InterruptedException {
    // ??NIO/*from   w  w w.  j a  v  a2 s  . c  om*/
    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 ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new TimeServerHander());

                    }
                });

        ChannelFuture future = b.bind(port).sync();
        future.channel().closeFuture().sync();
    } finally {
        workerGroup.shutdownGracefully();
        bossGroup.shutdownGracefully();
    }
}

From source file:com.doctor.netty5.example.chatroom.ChatRoomServer.java

License:Apache License

public void start() throws InterruptedException {
    ServerBootstrap bootstrap = new ServerBootstrap();
    NioEventLoopGroup bossGroup = new NioEventLoopGroup(1);
    NioEventLoopGroup workerGroup = new NioEventLoopGroup();

    try {/*from  ww w  . j  av a  2s .c  o  m*/
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(port)
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(
                                new DelimiterBasedFrameDecoder(8049, true, Delimiters.lineDelimiter()));
                        ch.pipeline().addLast(new StringDecoder(StandardCharsets.UTF_8));
                        ch.pipeline().addLast(new StringEncoder(StandardCharsets.UTF_8));
                        ch.pipeline().addLast(new ChatRoomServerHandler());
                    }
                });

        ChannelFuture channelFuture = bootstrap.bind().sync();
        System.out.println(ChatRoomServer.class.getName() + " started and listen on port:"
                + channelFuture.channel().localAddress());

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

From source file:com.doctor.netty5.example.echo.EchoServer.java

License:Apache License

public void start() throws InterruptedException {
    ServerBootstrap bootstrap = new ServerBootstrap();
    NioEventLoopGroup bossGroup = new NioEventLoopGroup(1);
    NioEventLoopGroup workerGroup = new NioEventLoopGroup();

    try {/*from  w ww.  ja va 2 s.c  o  m*/
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(port)
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new LineBasedFrameDecoder(2048));
                        ch.pipeline().addLast(new StringDecoder(StandardCharsets.UTF_8));
                        ch.pipeline().addLast(new StringEncoder(StandardCharsets.UTF_8));
                        ch.pipeline().addLast(new EchoServerHandler());
                    }
                });

        ChannelFuture channelFuture = bootstrap.bind().sync();
        System.out.println(EchoServer.class.getName() + " started and listen on port:"
                + channelFuture.channel().localAddress());

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

From source file:com.doctor.netty5.example.echo_object.EchoServer.java

License:Apache License

public void start() throws InterruptedException {
    ServerBootstrap bootstrap = new ServerBootstrap();
    NioEventLoopGroup bossGroup = new NioEventLoopGroup(1);
    NioEventLoopGroup workerGroup = new NioEventLoopGroup();

    try {/*from   w  w  w  .j  av a2 s.c o  m*/
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(port)
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new ObjectEncoder());
                        ch.pipeline().addLast(new ObjectDecoder(
                                ClassResolvers.softCachingResolver(this.getClass().getClassLoader())));
                        ch.pipeline().addLast(new EchoServerHandler());
                    }
                });

        ChannelFuture channelFuture = bootstrap.bind().sync();
        System.out.println(EchoServer.class.getName() + " started and listen on port:"
                + channelFuture.channel().localAddress());

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

From source file:com.doctor.netty5.example.factorial_algorithm.FactorialServer.java

License:Apache License

public void start() throws InterruptedException {
    ServerBootstrap bootstrap = new ServerBootstrap();
    NioEventLoopGroup bossGroup = new NioEventLoopGroup(1);
    NioEventLoopGroup workerGroup = new NioEventLoopGroup();

    try {//  ww w . ja  v a  2  s.c om
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(port)
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new NumberEncoder());
                        ch.pipeline().addLast(new BigIntegerDecoder());
                        ch.pipeline().addLast(new FactorialServerHandler());
                    }
                });

        ChannelFuture channelFuture = bootstrap.bind().sync();
        System.out.println(FactorialServer.class.getName() + " started and listen on port:"
                + channelFuture.channel().localAddress());

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

From source file:com.doctor.netty5.example.http.helloworld.HelloWorldServer.java

License:Apache License

public void start() throws InterruptedException {
    ServerBootstrap bootstrap = new ServerBootstrap();
    NioEventLoopGroup bossGroup = new NioEventLoopGroup(1);
    NioEventLoopGroup workerGroup = new NioEventLoopGroup();

    try {/*from   w  w  w  .  j a  v a 2  s  .  c o  m*/
        bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).localAddress(port)
                .option(ChannelOption.SO_BACKLOG, 1024).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {

                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new HttpServerCodec());
                        ch.pipeline().addLast(new HelloWorldServerHandler());
                    }
                });

        ChannelFuture channelFuture = bootstrap.bind().sync();
        System.out.println(HelloWorldServer.class.getName() + " started and listen on port:"
                + channelFuture.channel().localAddress());

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

From source file:com.dwarf.netty.guide.factorial.FactorialServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*from w w  w  . j a va  2 s.c  o  m*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
    } 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 FactorialServerInitializer(sslCtx));

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