Example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup

Introduction

In this page you can find the example usage for io.netty.channel.nio NioEventLoopGroup NioEventLoopGroup.

Prototype

public NioEventLoopGroup()

Source Link

Document

Create a new instance using the default number of threads, the default ThreadFactory and the SelectorProvider which is returned by SelectorProvider#provider() .

Usage

From source file:com.hxr.javatone.nettyguide.d12.server.NettyServer.java

License:Apache License

public void bind() throws Exception {
    // ??NIO//w w  w .j a  v a2 s. c om
    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.DEBUG)).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().channel().closeFuture().sync().channel();
    System.out.println("Netty server start ok : " + (NettyConstant.REMOTEIP + " : " + NettyConstant.PORT));
}

From source file:com.hzq.nio.websocket.WebSocketServer.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*w w  w.j  av a 2 s . c o  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline pipeline = ch.pipeline();
                        pipeline.addLast("http-codec", new HttpServerCodec());
                        pipeline.addLast("aggregator", new HttpObjectAggregator(65536));
                        ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                        pipeline.addLast("handler", new WebSocketServerHandler());
                    }
                });

        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.ibm.crail.datanode.netty.client.NettyEndpointGroup.java

License:Apache License

public NettyEndpointGroup() {
    workerGroup = new NioEventLoopGroup();
    boot = new Bootstrap();
    boot.group(workerGroup);//from  w  ww .j a  va  2 s  .  c o  m
    boot.channel(NioSocketChannel.class);
    boot.option(ChannelOption.SO_KEEPALIVE, true);
    final NettyEndpointGroup thisGroup = this;
    boot.handler(new ChannelInitializer<SocketChannel>() {
        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            /* outgoing pipeline */
            //ch.pipeline().addLast(new RdmaEncoderTx());
            /* incoming pipeline */
            ch.pipeline().addLast(new RdmaDecoderRx(), new IncomingResponseHandler(thisGroup));
        }
    });
    activeClients = new ArrayList<NettyEndpoint>();
    slot = new AtomicLong(0);
    inFlightOps = new ConcurrentHashMap<Long, NettyIOResult>();
}

From source file:com.ibm.crail.datanode.netty.server.NettyServer.java

License:Apache License

public void run() {
    /* start the netty server */
    EventLoopGroup acceptGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//from ww  w .ja  va  2s  . co  m
        ServerBootstrap boot = new ServerBootstrap();
        boot.group(acceptGroup, workerGroup);
        /* we use sockets */
        boot.channel(NioServerSocketChannel.class);
        /* for new incoming connection */
        boot.childHandler(new ChannelInitializer<SocketChannel>() {
            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                LOG.info("TID: " + Thread.currentThread().getId()
                        + " , a new client connection has arrived from : " + ch.remoteAddress().toString());
                /* incoming pipeline */
                ch.pipeline().addLast(new RdmaDecoderRx(), /* this makes full RDMA messages */
                        new IncomingRequestHandler(ch, dataNode));
                /* outgoing pipeline */
                //ch.pipeline().addLast(new RdmaEncoderTx());
            }
        });
        /* general optimization settings */
        boot.option(ChannelOption.SO_BACKLOG, 1024);
        boot.childOption(ChannelOption.SO_KEEPALIVE, true);

        /* now we bind the server and start */
        ChannelFuture f = boot.bind(this.inetSocketAddress.getAddress(), this.inetSocketAddress.getPort())
                .sync();
        LOG.info("Datanode binded to : " + this.inetSocketAddress);
        /* at this point we are binded and ready */
        f.channel().closeFuture().sync();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } finally {
        workerGroup.shutdownGracefully();
        acceptGroup.shutdownGracefully();
        LOG.info("Datanode at " + this.inetSocketAddress + " is shutdown");
    }
}