Example usage for io.netty.handler.codec.mqtt MqttDecoder MqttDecoder

Introduction

In this page you can find the example usage for io.netty.handler.codec.mqtt MqttDecoder MqttDecoder.

Prototype

public MqttDecoder() 

Source Link

Usage

From source file:com.caricah.iotracah.server.mqttserver.netty.MqttServerInitializer.java

License:Apache License

@Override
protected void customizePipeline(EventExecutorGroup eventExecutorGroup, ChannelPipeline pipeline) {
    pipeline.addLast("decoder", new MqttDecoder());
    pipeline.addLast("encoder", new MqttEncoder());

    // we finally have the chance to add some business logic.
    pipeline.addLast(eventExecutorGroup, "iotracah-mqtt",
            new MqttServerHandler((MqttServerImpl) getServerImpl()));
}

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From source file:io.crate.mqtt.netty.Client.java

License:Open Source License

public void connect() {
    LOGGER.debug("[mqtt-client] connect");
    handler = new ClientNettyMQTTHandler();
    workerGroup = new NioEventLoopGroup(1);
    try {//  ww w.j av a 2 s.  co  m
        Bootstrap b = new Bootstrap();
        b.group(workerGroup);
        b.channel(NioSocketChannel.class);
        b.option(ChannelOption.SO_KEEPALIVE, true);
        b.handler(new ChannelInitializer<SocketChannel>() {
            @Override
            public void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline pipeline = ch.pipeline();
                pipeline.addLast("decoder", new MqttDecoder());
                pipeline.addLast("encoder", MqttEncoder.INSTANCE);
                pipeline.addLast("handler", handler);
            }
        });

        // Start the client.
        channel = b.connect(host, port).sync().channel();
    } catch (Exception ex) {
        LOGGER.error("[mqtt-client] Error in client setup: " + ex.getMessage());
        workerGroup.shutdownGracefully();
        Throwables.rethrow(ex);
    }
}

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From source file:io.crate.mqtt.netty.Netty4MqttServerTransport.java

@Override
protected void doStart() {
    if (isEnterprise == false || isEnabled == false) {
        return;//from   w  w w . j  a v a 2  s  . com
    }

    mqttIngestService.initialize();
    serverBootstrap = CrateChannelBootstrapFactory.newChannelBootstrap("mqtt", settings);
    serverBootstrap.childHandler(new ChannelInitializer<Channel>() {
        @Override
        protected void initChannel(Channel ch) throws Exception {
            ChannelPipeline pipeline = ch.pipeline();
            final MqttProcessor processor = new MqttProcessor(mqttIngestService);
            final MqttNettyHandler handler = new MqttNettyHandler(processor);
            final MqttNettyIdleTimeoutHandler timeoutHandler = new MqttNettyIdleTimeoutHandler();
            final IdleStateHandler defaultIdleHandler = new IdleStateHandler(0L, 0L,
                    defaultIdleTimeout.seconds(), TimeUnit.SECONDS);

            pipeline.addFirst("idleStateHandler", defaultIdleHandler)
                    .addAfter("idleStateHandler", "idleEventHandler", timeoutHandler)
                    .addLast("decoder", new MqttDecoder()).addLast("encoder", MqttEncoder.INSTANCE)
                    .addLast("messageLogger", mqttMessageLogger).addLast("handler", handler);

            if (isMQTTSslEnabled(settings)) {
                SslHandler sslHandler = sslContextProvider.get().newHandler(pipeline.channel().alloc());
                pipeline.addFirst(sslHandler);
            }
        }
    });
    serverBootstrap.validate();

    boolean success = false;
    try {
        boundAddress = resolveBindAddress();
        logger.info("{}", boundAddress);
        success = true;
    } finally {
        if (!success) {
            doStop(); // stop boss/worker threads to avoid leaks
        }
    }
}

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From source file:io.netty.example.mqtt.heartBeat.MqttHeartBeatBroker.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {/*from  w w w .  j a  v a 2  s.co  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup);
        b.option(ChannelOption.SO_BACKLOG, 1024);
        b.channel(NioServerSocketChannel.class);
        b.childHandler(new ChannelInitializer<SocketChannel>() {
            protected void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast("encoder", MqttEncoder.INSTANCE);
                ch.pipeline().addLast("decoder", new MqttDecoder());
                ch.pipeline().addLast("heartBeatHandler", new IdleStateHandler(45, 0, 0, TimeUnit.SECONDS));
                ch.pipeline().addLast("handler", MqttHeartBeatBrokerHandler.INSTANCE);
            }
        });

        ChannelFuture f = b.bind(1883).sync();
        System.out.println("Broker initiated...");

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

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From source file:io.netty.example.mqtt.heartBeat.MqttHeartBeatClient.java

License:Apache License

public static void main(String[] args) throws Exception {
    EventLoopGroup workerGroup = new NioEventLoopGroup();

    try {//from   w  w w  . java2  s.c o m
        Bootstrap b = new Bootstrap();
        b.group(workerGroup);
        b.channel(NioSocketChannel.class);
        b.handler(new ChannelInitializer<SocketChannel>() {
            protected void initChannel(SocketChannel ch) throws Exception {
                ch.pipeline().addLast("encoder", MqttEncoder.INSTANCE);
                ch.pipeline().addLast("decoder", new MqttDecoder());
                ch.pipeline().addLast("heartBeatHandler", new IdleStateHandler(0, 20, 0, TimeUnit.SECONDS));
                ch.pipeline().addLast("handler",
                        new MqttHeartBeatClientHandler(CLIENT_ID, USER_NAME, PASSWORD));
            }
        });

        ChannelFuture f = b.connect(HOST, PORT).sync();
        System.out.println("Client connected");
        f.channel().closeFuture().sync();
    } finally {
        workerGroup.shutdownGracefully();
    }
}

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From source file:net.anyflow.lannister.client.MqttClient.java

License:Apache License

public MqttConnectReturnCode connect() throws InterruptedException {
    group = new NioEventLoopGroup(1, new DefaultThreadFactory("lannister/client"));

    bootstrap.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
        @Override/*from  www. j a  v a2  s .c  o m*/
        protected void initChannel(SocketChannel ch) throws Exception {
            if ("mqtts".equalsIgnoreCase(uri.getScheme())) {
                SslContext sslCtx = SslContextBuilder.forClient().trustManager(trustManagerFactory).build();

                ch.pipeline().addLast(sslCtx.newHandler(ch.alloc(), uri.getHost(), uri.getPort()));
            }

            ch.pipeline().addLast(MqttDecoder.class.getName(), new MqttDecoder());
            ch.pipeline().addLast(MqttEncoder.class.getName(), MqttEncoder.INSTANCE);
            ch.pipeline().addLast(MqttPacketReceiver.class.getName(),
                    new MqttPacketReceiver(MqttClient.this, receiver, sharedObject));
        }
    });

    channel = bootstrap.connect(uri.getHost(), uri.getPort()).sync().channel();

    normalizeMessage(options.will());
    send(MessageFactory.connect(options));

    synchronized (sharedObject.locker()) {
        int timeout = Settings.SELF.getInt("lannister.client.responseTimeoutSeconds", 15);

        sharedObject.locker().wait(timeout * 1000);
    }
    if (sharedObject.receivedMessage() == null) {
        return null;
    }

    return ((MqttConnAckMessage) sharedObject.receivedMessage()).variableHeader().connectReturnCode();
}

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