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(int maxBytesInMessage) 

Source Link

Usage

From source file:io.vertx.mqtt.impl.MqttClientImpl.java

License:Apache License

private void initChannel(ChannelPipeline pipeline) {

    // add into pipeline netty's (en/de)coder
    pipeline.addBefore("handler", "mqttEncoder", MqttEncoder.INSTANCE);

    if (this.options.getMaxMessageSize() > 0) {
        pipeline.addBefore("handler", "mqttDecoder", new MqttDecoder(this.options.getMaxMessageSize()));
    } else {/*from   w ww .j av  a 2s . c om*/
        // max message size not set, so the default from Netty MQTT codec is used
        pipeline.addBefore("handler", "mqttDecoder", new MqttDecoder());
    }

    if (this.options.isAutoKeepAlive() && this.options.getKeepAliveTimeSeconds() != 0) {

        pipeline.addBefore("handler", "idle",
                new IdleStateHandler(0, this.options.getKeepAliveTimeSeconds(), 0));
        pipeline.addBefore("handler", "keepAliveHandler", new ChannelDuplexHandler() {

            @Override
            public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {

                if (evt instanceof IdleStateEvent) {
                    IdleStateEvent e = (IdleStateEvent) evt;
                    if (e.state() == IdleState.WRITER_IDLE) {
                        ping();
                    }
                }
            }
        });
    }
}

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From source file:io.vertx.mqtt.impl.MqttServerImpl.java

License:Apache License

private void initChannel(ChannelPipeline pipeline) {

    pipeline.addBefore("handler", "mqttEncoder", MqttEncoder.INSTANCE);
    if (this.options.getMaxMessageSize() > 0) {
        pipeline.addBefore("handler", "mqttDecoder", new MqttDecoder(this.options.getMaxMessageSize()));
    } else {//from  ww w.  j  a v  a2s.  c  o m
        // max message size not set, so the default from Netty MQTT codec is used
        pipeline.addBefore("handler", "mqttDecoder", new MqttDecoder());
    }

    // adding the idle state handler for timeout on CONNECT packet
    pipeline.addBefore("handler", "idle", new IdleStateHandler(this.options.timeoutOnConnect(), 0, 0));
    pipeline.addBefore("handler", "timeoutOnConnect", new ChannelDuplexHandler() {

        @Override
        public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {

            if (evt instanceof IdleStateEvent) {
                IdleStateEvent e = (IdleStateEvent) evt;
                if (e.state() == IdleState.READER_IDLE) {
                    // as MQTT 3.1.1 describes, if no packet is sent after a "reasonable" time (here CONNECT timeout)
                    // the connection is closed
                    ctx.channel().close();
                }
            }
        }
    });
}

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From source file:org.apache.activemq.artemis.core.protocol.mqtt.MQTTProtocolManager.java

License:Apache License

@Override
public void addChannelHandlers(ChannelPipeline pipeline) {
    pipeline.addLast(MqttEncoder.INSTANCE);
    pipeline.addLast(new MqttDecoder(MQTTUtil.MAX_MESSAGE_SIZE));

    pipeline.addLast(new MQTTProtocolHandler(server, this));
}

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From source file:org.thingsboard.server.transport.mqtt.MqttTransportServerInitializer.java

License:Apache License

@Override
public void initChannel(SocketChannel ch) {
    ChannelPipeline pipeline = ch.pipeline();
    SslHandler sslHandler = null;/*from w  ww .  j av a2s  .  co  m*/
    if (context.getSslHandlerProvider() != null) {
        sslHandler = context.getSslHandlerProvider().getSslHandler();
        pipeline.addLast(sslHandler);
        context.setSslHandler(sslHandler);
    }
    pipeline.addLast("decoder", new MqttDecoder(context.getMaxPayloadSize()));
    pipeline.addLast("encoder", MqttEncoder.INSTANCE);

    MqttTransportHandler handler = new MqttTransportHandler(context);

    pipeline.addLast(handler);
    ch.closeFuture().addListener(handler);
}

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