Example usage for io.netty.channel ChannelFuture channel

Introduction

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

Prototype

Channel channel();

Source Link

Document

Returns a channel where the I/O operation associated with this future takes place.

Usage

From source file:com.ibasco.agql.core.transport.udp.NettyBasicUdpTransport.java

License:Open Source License

@Override
public CompletableFuture<Channel> getChannel(M message) {
    final CompletableFuture<Channel> cf = new CompletableFuture<>();
    //lazy initialization
    if (channel == null || !channel.isOpen()) {
        bind(0).addListener((ChannelFuture future) -> {
            if (future.isSuccess()) {
                channel = (NioDatagramChannel) future.channel();
                channel.closeFuture()//  w ww.  j a  v a  2  s  . c  o m
                        .addListener((ChannelFuture f) -> log.debug(
                                "CHANNEL CLOSED: {}, Is Open: {}, For Address: {}, Cause: {}", f.channel().id(),
                                f.channel().isOpen(), message.recipient(), f.cause()));
                cf.complete(channel);
            } else {
                channel = null;
                cf.completeExceptionally(future.cause());
            }
        });
    } else {
        cf.complete(channel);
    }
    return cf;
}

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From source file:com.ibasco.agql.protocols.valve.source.query.logger.SourceLogListenService.java

License:Open Source License

/**
 * Start listening for log messages/*from   w  ww  .j  a  v a 2 s .  com*/
 */
public void listen() throws InterruptedException {
    final ChannelFuture bindFuture = bootstrap.localAddress(listenAddress).bind().await();
    bindFuture.addListener((ChannelFuture future) -> {
        String hostAddress = ((InetSocketAddress) future.channel().localAddress()).getAddress()
                .getHostAddress();
        int port = ((InetSocketAddress) future.channel().localAddress()).getPort();
        log.debug("Log Service listening on port {} via address {}", port, hostAddress);
        future.channel().closeFuture().addListener(future1 -> log.debug("Service Shutting Down"));
    });
}

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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 {//www .  j a v a2s  . c  o 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");
    }
}

---

From source file:com.ibm.crail.namenode.rpc.netty.NettyNameNode.java

License:Apache License

public void run(final RpcNameNodeService service) {
    /* here we run the incoming RPC service */
    InetSocketAddress inetSocketAddress = CrailUtils.getNameNodeAddress();
    LOG.info("Starting the NettyNamenode service at : " + inetSocketAddress);
    /* start the netty server */
    EventLoopGroup acceptGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//w ww . ja  va2  s.  c om
        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("A new connection has arrived from : " + ch.remoteAddress().toString());
                /* incoming pipeline */
                ch.pipeline().addLast("RequestDecoder", new RequestDecoder());
                ch.pipeline().addLast("NNProcessor", new NamenodeProcessor(service));
                /* outgoing pipeline */
                ch.pipeline().addLast("ResponseEncoder", new ResponseEncoder());
            }
        });
        /* 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(inetSocketAddress.getAddress(), inetSocketAddress.getPort()).sync();
        /* at this point we are binded and ready */
        f.channel().closeFuture().sync();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } finally {
        workerGroup.shutdownGracefully();
        acceptGroup.shutdownGracefully();
        LOG.info("Netty namenode at " + inetSocketAddress + " is shutdown");
    }
}

---

From source file:com.ict.dtube.remoting.netty.NettyRemotingServer.java

License:Apache License

@Override
public void start() {
    this.defaultEventExecutorGroup = new DefaultEventExecutorGroup(//
            nettyServerConfig.getServerWorkerThreads(), //
            new ThreadFactory() {

                private AtomicInteger threadIndex = new AtomicInteger(0);

                @Override//  ww w  . ja va2 s .c om
                public Thread newThread(Runnable r) {
                    return new Thread(r, "NettyServerWorkerThread_" + this.threadIndex.incrementAndGet());
                }
            });

    ServerBootstrap childHandler = //
            this.serverBootstrap.group(this.eventLoopGroupBoss, this.eventLoopGroupWorker)
                    .channel(NioServerSocketChannel.class)
                    //
                    .option(ChannelOption.SO_BACKLOG, 1024)
                    //
                    .option(ChannelOption.SO_REUSEADDR, true)
                    //
                    .childOption(ChannelOption.TCP_NODELAY, true)
                    //
                    .childOption(ChannelOption.SO_SNDBUF, NettySystemConfig.SocketSndbufSize)
                    //
                    .childOption(ChannelOption.SO_RCVBUF, NettySystemConfig.SocketRcvbufSize)

                    .localAddress(new InetSocketAddress(this.nettyServerConfig.getListenPort()))
                    .childHandler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        public void initChannel(SocketChannel ch) throws Exception {
                            ch.pipeline().addLast(
                                    //
                                    defaultEventExecutorGroup, //
                                    new NettyEncoder(), //
                                    new NettyDecoder(), //
                                    new IdleStateHandler(0, 0,
                                            nettyServerConfig.getServerChannelMaxIdleTimeSeconds()), //
                                    new NettyConnetManageHandler(), //
                                    new NettyServerHandler());
                        }
                    });

    if (NettySystemConfig.NettyPooledByteBufAllocatorEnable) {
        // ????
        childHandler.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)//
        ;
    }

    try {
        ChannelFuture sync = this.serverBootstrap.bind().sync();
        InetSocketAddress addr = (InetSocketAddress) sync.channel().localAddress();
        this.port = addr.getPort();
    } catch (InterruptedException e1) {
        throw new RuntimeException("this.serverBootstrap.bind().sync() InterruptedException", e1);
    }

    if (this.channelEventListener != null) {
        this.nettyEventExecuter.start();
    }

    // ?1??
    this.timer.scheduleAtFixedRate(new TimerTask() {

        @Override
        public void run() {
            try {
                NettyRemotingServer.this.scanResponseTable();
            } catch (Exception e) {
                log.error("scanResponseTable exception", e);
            }
        }
    }, 1000 * 3, 1000);
}

---

From source file:com.imaginarycode.minecraft.bungeejson.impl.httpserver.NettyBootstrap.java

License:Open Source License

public void initialize() {
    group = new NioEventLoopGroup(5, factory);
    int port = 7432; // CONFIG
    ServerBootstrap b = new ServerBootstrap();
    b.group(group).channel(NioServerSocketChannel.class)
            .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override/* ww w  . j av  a 2s . c om*/
                public void initChannel(SocketChannel ch) throws Exception {
                    ChannelPipeline pipeline = ch.pipeline();
                    pipeline.addLast("messageCodec", new HttpServerCodec());
                    pipeline.addLast("messageHandler", new HttpServerHandler());
                }
            }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);
    channelFuture = b.bind(port).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture channelFuture) throws Exception {
            BungeeJSONPlugin.getPlugin().getLogger()
                    .info("BungeeJSON server started on " + channelFuture.channel().localAddress());
        }
    });
}

---

From source file:com.jansegre.jwar.webapi.ApiServer.java

License:Open Source License

@Override
public void start() {
    // Reference: http://netty.io/wiki/user-guide-for-4.x.html
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from  ww w. j ava2s  .  co  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline pipeline = ch.pipeline();

                        // Add the text line codec combination first,
                        pipeline.addLast("framer",
                                new DelimiterBasedFrameDecoder(8192, Delimiters.lineDelimiter()));
                        // the encoder and decoder are static as these are sharable
                        pipeline.addLast("decoder", new StringDecoder());
                        pipeline.addLast("encoder", new StringEncoder());

                        // and then business logic.
                        pipeline.addLast("handler", apiSocket);

                    }
                }).option(ChannelOption.SO_BACKLOG, 128).childOption(ChannelOption.SO_KEEPALIVE, true);

        // Bind and start to accept incoming connections.
        ChannelFuture f = b.bind(apiPort).syncUninterruptibly();
        log.info("ApiSocket started at port: {}", apiPort);

        // Also start parent
        super.start();

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

---

From source file:com.jason.netty.file.FileServer.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {// w  w  w  . j  a  va 2s.com
        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("Server start at port : " + port);
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

From source file:com.jjzhk.Chapter10.xml.HttpXmlClient.java

License:Apache License

public void connect(int port) throws Exception {
    // ?NIO?//from w  ww  . j a  v  a 2s .c  o  m
    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast("http-decoder", new HttpResponseDecoder());
                        ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(65536));
                        // XML??
                        ch.pipeline().addLast("xml-decoder", new HttpXmlResponseDecoder(Order.class, true));
                        ch.pipeline().addLast("http-encoder", new HttpRequestEncoder());
                        ch.pipeline().addLast("xml-encoder", new HttpXmlRequestEncoder());
                        ch.pipeline().addLast("xmlClientHandler", new HttpXmlClientHandle());
                    }
                });

        // ??
        ChannelFuture f = b.connect(new InetSocketAddress(port)).sync();

        // ?
        f.channel().closeFuture().sync();
    } finally {
        // ?NIO?
        group.shutdownGracefully();
    }
}

---

From source file:com.jjzhk.Chapter10.xml.HttpXmlServer.java

License:Apache License

public void run(final int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//  w w w .  ja  v  a  2s  .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("xml-decoder", new HttpXmlRequestDecoder(Order.class, true));
                        ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                        ch.pipeline().addLast("xml-encoder", new HttpXmlResponseEncoder());
                        ch.pipeline().addLast("xmlServerHandler", new HttpXmlServerHandler());
                    }
                });
        ChannelFuture future = b.bind(new InetSocketAddress(port)).sync();
        System.out.println("HTTP???? : " + "http://localhost:" + port);
        future.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

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