Example usage for io.netty.channel ChannelFuture channel

List of usage examples 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.whizzosoftware.hobson.ssdp.SSDPPlugin.java

License:Open Source License

public void createSockets() {
    try {//from w w  w .jav a  2s . co m
        logger.debug("Using network interface: {}; local address: {}", nic, localAddress);

        if (nic == null) {
            logger.error("Unable to determine local NIC; discovery may not work properly");
        }

        if (nic != null) {
            Bootstrap clientBootstrap = new Bootstrap().group(eventLoopGroup)
                    .channelFactory(new ChannelFactory<Channel>() {
                        @Override
                        public Channel newChannel() {
                            return new NioDatagramChannel(InternetProtocolFamily.IPv4);
                        }
                    }).localAddress(groupAddress).option(ChannelOption.IP_MULTICAST_IF, nic)
                    .option(ChannelOption.SO_REUSEADDR, true).handler(new SSDPInboundHandler(this));

            clientBootstrap.bind().addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture channelFuture) throws Exception {
                    multicastChannel = (NioDatagramChannel) channelFuture.channel();
                    multicastChannel.joinGroup(groupAddress, nic);
                }
            });
        }

        Bootstrap serverBootstrap = new Bootstrap().group(eventLoopGroup)
                .channelFactory(new ChannelFactory<Channel>() {
                    @Override
                    public Channel newChannel() {
                        return new NioDatagramChannel(InternetProtocolFamily.IPv4);
                    }
                }).localAddress(localAddress).option(ChannelOption.IP_MULTICAST_IF, nic)
                .option(ChannelOption.SO_REUSEADDR, true).handler(new SSDPInboundHandler(this));

        serverBootstrap.bind().addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture channelFuture) throws Exception {
                localChannel = (NioDatagramChannel) channelFuture.channel();
                sendDiscoveryPacket();
            }
        });

    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.witjit.game.client.EchoClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.git
    final SslContext sslCtx;
    if (SSL) {/*from  w  w  w .j  ava 2 s . c o m*/
        sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
    } else {
        sslCtx = null;
    }

    // Configure the client.
    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 {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
                        }
                        //p.addLast(new LoggingHandler(LogLevel.INFO));
                        p.addLast(new EchoClientHandler());
                    }
                });

        // Start the client.
        ChannelFuture f = b.connect(HOST, PORT).sync();

        sendData(f.channel());

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        group.shutdownGracefully();
    }
}

From source file:com.wolfbe.configcenter.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//w w w  .java 2s  .  c om
                public Thread newThread(Runnable r) {
                    return new Thread(r, "NettyServerCodecThread_" + this.threadIndex.incrementAndGet());
                }
            });

    ServerBootstrap childHandler = //
            this.serverBootstrap.group(this.eventLoopGroupBoss, this.eventLoopGroupSelector)
                    .channel(NioServerSocketChannel.class)
                    //
                    .option(ChannelOption.SO_BACKLOG, 1024)
                    //
                    .option(ChannelOption.SO_REUSEADDR, true)
                    //
                    .option(ChannelOption.SO_KEEPALIVE, false)
                    //
                    .childOption(ChannelOption.TCP_NODELAY, true)
                    //
                    .option(ChannelOption.SO_SNDBUF, nettyServerConfig.getServerSocketSndBufSize())
                    //
                    .option(ChannelOption.SO_RCVBUF, nettyServerConfig.getServerSocketRcvBufSize())
                    //
                    .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 (nettyServerConfig.isServerPooledByteBufAllocatorEnable()) {
        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();
    }

    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.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 va  2  s.c o m*/

    // 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();
    }
}

From source file:com.xing.netty.client.DiscardClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/* w  w w .j a v  a2  s.co  m*/
        sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
    } else {
        sslCtx = null;
    }

    EventLoopGroup group = new NioEventLoopGroup();
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                .handler(new ChannelInitializer<Channel>() {

                    @Override
                    protected void initChannel(Channel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        // if (sslCtx != null) {
                        // p.addLast(sslCtx.newHandler(ch.alloc(), HOST,
                        // PORT));
                        // }
                        // p.addLast(new DiscardClientHandler());
                        ByteBuf delimiter = Unpooled.copiedBuffer("$_".getBytes());
                        p.addLast(new DelimiterBasedFrameDecoder(1024, delimiter));
                        // p.addLast(new LineBasedFrameDecoder(1024));
                        p.addLast(new StringDecoder());
                        p.addLast(new TimeClientHandler());
                    }
                });
        // Make the connection attempt.
        ChannelFuture f = b.connect(HOST, PORT).sync();

        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } catch (Exception e) {
        System.out.println(e);
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.xiovr.unibot.bot.network.impl.ConnectionFactoryImpl.java

License:Open Source License

@Override
public void dispose() {
    try {//  w  ww  .j a  v  a  2  s .c o m
        for (ChannelFuture ch : bossFutures) {
            ch.channel().close();
            ch.channel().closeFuture().sync();
        }

    } catch (InterruptedException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } finally {
        for (EventsGroup eg : eventsList) {
            eg.shutdownGracefully();
        }

    }
}

From source file:com.xxx.util.io.client.netty.EchoClient.java

License:Apache License

public void doConnect() throws Exception {
    // Start the client.
    ChannelFuture f = bootstrap.connect(host, port).sync();
    channel = f.channel();

    // Wait until the connection is closed.
    //f.channel().closeFuture().sync();
}

From source file:com.xxx.util.io.server.netty.EchoServer.java

License:Apache License

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

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {// w  w  w. j av  a 2  s.c om
        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 LoggingHandler(LogLevel.INFO));
                        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.xx_dev.apn.proxy.ApnProxyUserAgentForwardHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext uaChannelCtx, final Object msg) throws Exception {

    final Channel uaChannel = uaChannelCtx.channel();

    final ApnProxyRemote apnProxyRemote = uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY).get()
            .getRemote();/*from  w  ww  . ja  v a  2  s. co  m*/

    if (msg instanceof HttpRequest) {
        HttpRequest httpRequest = (HttpRequest) msg;

        Channel remoteChannel = remoteChannelMap.get(apnProxyRemote.getRemoteAddr());

        if (remoteChannel != null && remoteChannel.isActive()) {
            LoggerUtil.debug(logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY),
                    "Use old remote channel");
            HttpRequest request = constructRequestForProxy(httpRequest, apnProxyRemote);
            remoteChannel.writeAndFlush(request);
        } else {
            LoggerUtil.debug(logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY),
                    "Create new remote channel");

            Bootstrap bootstrap = new Bootstrap();
            bootstrap.group(uaChannel.eventLoop()).channel(NioSocketChannel.class)
                    .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000)
                    .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                    .option(ChannelOption.AUTO_READ, false)
                    .handler(new ApnProxyRemoteForwardChannelInitializer(uaChannel, this));

            // set local address
            if (StringUtils.isNotBlank(ApnProxyLocalAddressChooser.choose(apnProxyRemote.getRemoteHost()))) {
                bootstrap.localAddress(new InetSocketAddress(
                        (ApnProxyLocalAddressChooser.choose(apnProxyRemote.getRemoteHost())), 0));
            }

            ChannelFuture remoteConnectFuture = bootstrap.connect(apnProxyRemote.getRemoteHost(),
                    apnProxyRemote.getRemotePort());

            remoteChannel = remoteConnectFuture.channel();
            remoteChannelMap.put(apnProxyRemote.getRemoteAddr(), remoteChannel);

            remoteConnectFuture.addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (future.isSuccess()) {
                        future.channel().write(constructRequestForProxy((HttpRequest) msg, apnProxyRemote));

                        for (HttpContent hc : httpContentBuffer) {
                            future.channel().writeAndFlush(hc);

                            if (hc instanceof LastHttpContent) {
                                future.channel().writeAndFlush(Unpooled.EMPTY_BUFFER)
                                        .addListener(new ChannelFutureListener() {
                                            @Override
                                            public void operationComplete(ChannelFuture future)
                                                    throws Exception {
                                                if (future.isSuccess()) {
                                                    future.channel().read();
                                                }

                                            }
                                        });
                            }
                        }
                        httpContentBuffer.clear();
                    } else {
                        LoggerUtil.error(logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY),
                                "Remote channel create fail");

                        // send error response
                        String errorMsg = "remote connect to "
                                + uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY).get().getRemote()
                                        .getRemoteAddr()
                                + " fail";
                        HttpMessage errorResponseMsg = HttpErrorUtil
                                .buildHttpErrorMessage(HttpResponseStatus.INTERNAL_SERVER_ERROR, errorMsg);
                        uaChannel.writeAndFlush(errorResponseMsg);
                        httpContentBuffer.clear();

                        future.channel().close();
                    }
                }
            });

        }
        ReferenceCountUtil.release(msg);
    } else {
        Channel remoteChannel = remoteChannelMap.get(apnProxyRemote.getRemoteAddr());

        HttpContent hc = ((HttpContent) msg);
        //hc.retain();

        //HttpContent _hc = hc.copy();

        if (remoteChannel != null && remoteChannel.isActive()) {
            remoteChannel.writeAndFlush(hc);

            if (hc instanceof LastHttpContent) {
                remoteChannel.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(new ChannelFutureListener() {
                    @Override
                    public void operationComplete(ChannelFuture future) throws Exception {
                        if (future.isSuccess()) {
                            future.channel().read();
                        }

                    }
                });
            }
        } else {
            httpContentBuffer.add(hc);
        }
    }

}

From source file:com.xx_dev.apn.proxy.ApnProxyUserAgentTunnelHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext uaChannelCtx, Object msg) throws Exception {

    if (msg instanceof HttpRequest) {
        final HttpRequest httpRequest = (HttpRequest) msg;

        //Channel uaChannel = uaChannelCtx.channel();

        // connect remote
        Bootstrap bootstrap = new Bootstrap();
        bootstrap.group(uaChannelCtx.channel().eventLoop()).channel(NioSocketChannel.class)
                .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000)
                .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                .option(ChannelOption.AUTO_READ, false)
                .handler(new ApnProxyTunnelChannelInitializer(uaChannelCtx.channel()));

        final ApnProxyRemote apnProxyRemote = uaChannelCtx.channel()
                .attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY).get().getRemote();

        // set local address
        if (StringUtils.isNotBlank(ApnProxyLocalAddressChooser.choose(apnProxyRemote.getRemoteHost()))) {
            bootstrap.localAddress(new InetSocketAddress(
                    (ApnProxyLocalAddressChooser.choose(apnProxyRemote.getRemoteHost())), 0));
        }/*from  w  ww . j ava  2 s .  co  m*/

        bootstrap.connect(apnProxyRemote.getRemoteHost(), apnProxyRemote.getRemotePort())
                .addListener(new ChannelFutureListener() {
                    @Override
                    public void operationComplete(final ChannelFuture future1) throws Exception {
                        if (future1.isSuccess()) {
                            if (apnProxyRemote.isAppleyRemoteRule()) {
                                uaChannelCtx.pipeline().remove("codec");
                                uaChannelCtx.pipeline().remove(ApnProxyPreHandler.HANDLER_NAME);
                                uaChannelCtx.pipeline().remove(ApnProxyUserAgentTunnelHandler.HANDLER_NAME);

                                // add relay handler
                                uaChannelCtx.pipeline()
                                        .addLast(new ApnProxyRelayHandler("UA --> Remote", future1.channel()));

                                future1.channel()
                                        .writeAndFlush(Unpooled.copiedBuffer(
                                                constructConnectRequestForProxy(httpRequest, apnProxyRemote),
                                                CharsetUtil.UTF_8))
                                        .addListener(new ChannelFutureListener() {
                                            @Override
                                            public void operationComplete(ChannelFuture future2)
                                                    throws Exception {
                                                if (!future2.channel().config()
                                                        .getOption(ChannelOption.AUTO_READ)) {
                                                    future2.channel().read();
                                                }
                                            }
                                        });

                            } else {
                                HttpResponse proxyConnectSuccessResponse = new DefaultFullHttpResponse(
                                        HttpVersion.HTTP_1_1,
                                        new HttpResponseStatus(200, "Connection established"));
                                uaChannelCtx.writeAndFlush(proxyConnectSuccessResponse)
                                        .addListener(new ChannelFutureListener() {
                                            @Override
                                            public void operationComplete(ChannelFuture future2)
                                                    throws Exception {
                                                // remove handlers
                                                uaChannelCtx.pipeline().remove("codec");
                                                uaChannelCtx.pipeline().remove(ApnProxyPreHandler.HANDLER_NAME);
                                                uaChannelCtx.pipeline()
                                                        .remove(ApnProxyUserAgentTunnelHandler.HANDLER_NAME);

                                                // add relay handler
                                                uaChannelCtx.pipeline()
                                                        .addLast(new ApnProxyRelayHandler(
                                                                "UA --> " + apnProxyRemote.getRemoteAddr(),
                                                                future1.channel()));
                                            }

                                        });
                            }

                        } else {
                            if (uaChannelCtx.channel().isActive()) {
                                uaChannelCtx.channel().writeAndFlush(Unpooled.EMPTY_BUFFER)
                                        .addListener(ChannelFutureListener.CLOSE);
                            }
                        }
                    }
                });

    }
    ReferenceCountUtil.release(msg);
}