Example usage for io.netty.channel ChannelFuture channel

List of usage examples for io.netty.channel ChannelFuture channel

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Introduction

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

Prototype

Channel channel();

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Document

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

Usage

From source file:books.netty.protocol.file.FileServer.java

License:Apache License

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

From source file:books.netty.protocol.http.fileServer.HttpFileServer.java

License:Apache License

public void run(final int port, final String url) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*from  w w  w.  ja  v  a2  s  .c om*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel ch) {
                        // ??
                        ch.pipeline().addLast("http-decoder", new HttpRequestDecoder());
                        // ??
                        ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(65536));
                        // ??
                        ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
                        // ?????
                        ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
                        ch.pipeline().addLast("fileServerHandler", new HttpFileServerHandler(url));
                    }
                });
        //         ChannelFuture future = b.bind("192.168.1.102", port).sync();
        ChannelFuture future = b.bind(port).sync();
        System.out.println("HTTP??? : " + "http://127.0.0.1:" + port + url);
        future.channel().closeFuture().sync();
    } finally {
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:books.netty.protocol.http.xml.client.HttpXmlClient.java

License:Apache License

public void connect(int port) throws Exception {
    // ?NIO//from   w  w  w  .ja v  a  2s .co 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) {
                        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:books.netty.protocol.http.xml.server.HttpXmlServer.java

License:Apache License

public void run(final int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*ww w .j a v a 2s. co  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel ch) {
                        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();
    }
}

From source file:books.netty.protocol.netty.client.NettyClient.java

License:Apache License

public void connect(int port, String host) throws Exception {

    // ?NIO//from ww w .j  av a 2 s. com

    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(new NettyMessageDecoder(1024 * 1024, 4, 4));
                        ch.pipeline().addLast("MessageEncoder", new NettyMessageEncoder());
                        ch.pipeline().addLast("readTimeoutHandler", new ReadTimeoutHandler(50));
                        ch.pipeline().addLast("LoginAuthHandler", new LoginAuthReqHandler());
                        ch.pipeline().addLast("HeartBeatHandler", new HeartBeatReqHandler());
                    }
                });
        // ??
        ChannelFuture future = b.connect(new InetSocketAddress(host, port),
                new InetSocketAddress(NettyConstant.LOCALIP, NettyConstant.LOCAL_PORT)).sync();
        future.channel().closeFuture().sync();
    } finally {
        // ????????
        executor.execute(new Runnable() {
            @Override
            public void run() {
                try {
                    TimeUnit.SECONDS.sleep(1);
                    try {
                        connect(NettyConstant.PORT, NettyConstant.REMOTEIP);// ???
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        });
    }
}

From source file:bridgempp.bot.wrapper.BotWrapper.java

private static void botInitialize(File botConfig) {
    try {/*from ww  w.j  av  a 2s  .c  om*/
        Properties botProperties = new Properties();
        if (!botConfig.exists()) {
            botConfig.createNewFile();
        }
        botProperties.load(new FileInputStream(botConfig));
        String botClass = botProperties.getProperty("botClass");
        if (botClass == null) {
            writeDefaultConfig(botProperties);
            throw new UnsupportedOperationException(
                    "Bot Class is null, cannot execute BridgeMPP server commands");
        }
        Bot bot = (Bot) Class.forName(botClass).newInstance();
        bot.initializeBot();
        String serverAddress = botProperties.getProperty("serverAddress");
        int portNumber = Integer.parseInt(botProperties.getProperty("serverPort"));
        if (serverAddress == null) {
            writeDefaultConfig(botProperties);
            throw new UnsupportedOperationException(
                    "Server Address is null, cannot execute BridgeMPP server commands");
        }
        ChannelFuture channelFuture = bootstrap.connect(new InetSocketAddress(serverAddress, portNumber));
        byte[] protocol = new byte[1];
        protocol[0] = 0x32;
        channelFuture.await();
        channelFuture.channel().writeAndFlush(Unpooled.wrappedBuffer(protocol));
        channelFuture.channel().pipeline().addLast("frameDecoder", new ProtobufVarint32FrameDecoder());
        channelFuture.channel().pipeline().addLast("protobufDecoder",
                new ProtobufDecoder(ProtoBuf.Message.getDefaultInstance()));
        channelFuture.channel().pipeline().addLast("frameEncoder", new ProtobufVarint32LengthFieldPrepender());
        channelFuture.channel().pipeline().addLast("protobufEncoder", new ProtobufEncoder());
        channelFuture.channel().pipeline().addLast(new IncommingMessageHandler(bot));
        bot.channelFuture = channelFuture;
        bot.setProperties(botProperties);

        String serverKey = botProperties.getProperty("serverKey");
        if (serverKey == null) {
            writeDefaultConfig(botProperties);
            throw new UnsupportedOperationException(
                    "Server Key is null, cannot execute BridgeMPP server commands");
        }
        printCommand("!usekey " + serverKey, bot);
        String botAlias = botProperties.getProperty("botname");
        if (botAlias != null) {
            printCommand("!createalias " + botAlias, bot);
        }
        bot.name = botAlias;
        String[] groups = botProperties.getProperty("groups").split("; ");
        for (int i = 0; i < groups.length; i++) {
            printCommand("!subscribegroup " + groups[i], bot);
        }
        System.out.println("Joined " + groups.length + " groups");

    } catch (IOException | ClassNotFoundException | InstantiationException | IllegalAccessException
            | InterruptedException ex) {
        Logger.getLogger(BotWrapper.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:c5db.control.ControlService.java

License:Apache License

private void startHttpRpc() {
    try {//from w w w .  ja v  a 2  s . c  o  m
        ServerBootstrap serverBootstrap = new ServerBootstrap();
        ServerBootstrap serverBootstrap1 = serverBootstrap.group(acceptConnectionGroup, ioWorkerGroup)
                .channel(NioServerSocketChannel.class).option(ChannelOption.SO_REUSEADDR, true)
                .option(ChannelOption.SO_BACKLOG, 100).childOption(ChannelOption.TCP_NODELAY, true)
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    protected void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline pipeline = ch.pipeline();

                        //              pipeline.addLast("logger", new LoggingHandler(LogLevel.DEBUG));
                        pipeline.addLast("http-server", new HttpServerCodec());
                        pipeline.addLast("aggregator",
                                new HttpObjectAggregator(C5ServerConstants.MAX_CALL_SIZE));

                        pipeline.addLast("encode", new ServerHttpProtostuffEncoder());
                        pipeline.addLast("decode", new ServerHttpProtostuffDecoder());

                        pipeline.addLast("translate", new ServerDecodeCommandRequest());

                        pipeline.addLast("inc-messages", new MessageHandler());
                    }
                });

        serverBootstrap.bind(modulePort).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    // yay
                    listenChannel = future.channel();
                    notifyStarted();
                } else {
                    LOG.error("Unable to bind to port {}", modulePort);
                    notifyFailed(future.cause());
                }
            }
        });
    } catch (Exception e) {
        notifyFailed(e);
    }
}

From source file:c5db.control.SimpleControlClient.java

License:Apache License

public ListenableFuture<CommandReply> sendRequest(CommandRpcRequest<?> request,
        InetSocketAddress remoteAddress) {
    SettableFuture<CommandReply> replyMessageFuture = SettableFuture.create();
    ChannelFuture connectFuture = client.connect(remoteAddress);
    connectFuture.addListener(new ChannelFutureListener() {
        @Override/*from w w  w .j  av a2s  .  c o  m*/
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                future.channel().pipeline().addLast(new SimpleChannelInboundHandler<CommandReply>() {
                    @Override
                    protected void channelRead0(ChannelHandlerContext ctx, CommandReply msg) throws Exception {
                        replyMessageFuture.set(msg);
                        ctx.channel().close();
                    }
                });

                // connected is fine, flush message:
                future.channel().writeAndFlush(request);
            } else {
                replyMessageFuture.setException(future.cause());
                future.channel().close();
            }
        }
    });

    return replyMessageFuture;
}

From source file:c5db.eventLogging.EventLogListener.java

License:Apache License

@Override
protected void doStart() {
    nioEventLoopGroup.next().execute(() -> {

        Bootstrap bootstrap = new Bootstrap();
        try {/*w  w  w  .j  a v a  2s.c o m*/
            bootstrap.group(nioEventLoopGroup).channel(NioDatagramChannel.class)
                    .option(ChannelOption.SO_BROADCAST, true).option(ChannelOption.SO_REUSEADDR, true)
                    .handler(new ChannelInitializer<DatagramChannel>() {
                        @Override
                        protected void initChannel(DatagramChannel ch) throws Exception {
                            ChannelPipeline p = ch.pipeline();
                            p.addLast("protostuffDecoder",
                                    new UdpProtostuffDecoder<>(EventLogEntry.getSchema(), false));
                            p.addLast("logger", new MsgHandler());
                        }
                    });

            bootstrap.bind(port).addListener(new GenericFutureListener<ChannelFuture>() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    channel = future.channel();
                }
            });

            notifyStarted();
        } catch (Throwable t) {
            notifyFailed(t);
        }
    });
}

From source file:c5db.eventLogging.EventLogService.java

License:Apache License

@Override
protected void doStart() {
    nioEventLoopGroup.next().execute(() -> {
        Bootstrap bootstrap = new Bootstrap();
        try {/*w w w  .  j a  v a2s.c  o  m*/
            bootstrap.group(nioEventLoopGroup).channel(NioDatagramChannel.class)
                    .option(ChannelOption.SO_BROADCAST, true).option(ChannelOption.SO_REUSEADDR, true)
                    .handler(new ChannelInitializer<DatagramChannel>() {
                        @Override
                        protected void initChannel(DatagramChannel ch) throws Exception {
                            ChannelPipeline p = ch.pipeline();
                            p.addLast("protostuffEncoder",
                                    new UdpProtostuffEncoder<>(EventLogEntry.getSchema(), false));
                        }
                    });

            bootstrap.bind(port).addListener(new GenericFutureListener<ChannelFuture>() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    broadcastChannel = future.channel();
                }
            });

            eventLogChannel.subscribe(fiber, msg -> {
                if (broadcastChannel == null) {
                    LOG.debug("Broadcast channel isn't read yet, dropped message");
                    return;
                }

                LOG.trace("Sending event {}", msg);
                broadcastChannel
                        .writeAndFlush(new UdpProtostuffEncoder.UdpProtostuffMessage<>(sendAddress, msg));
            });

            fiber.start();

            notifyStarted();
        } catch (Throwable t) {
            fiber.dispose();

            notifyFailed(t);
        }
    });
}