Example usage for io.netty.handler.codec.mqtt MqttPublishMessage payload

List of usage examples for io.netty.handler.codec.mqtt MqttPublishMessage payload

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Introduction

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

Prototype

@Override
    public ByteBuf payload()

Source Link

Usage

From source file:com.caricah.iotracah.server.mqttserver.transform.MqttIOTTransformerImpl.java

License:Apache License

@Override
public IOTMessage toIOTMessage(MqttMessage serverMessage) {

    MqttFixedHeader fxH = serverMessage.fixedHeader();

    if (null == fxH) {
        return null;
    }/*  w  w  w . ja  va2  s .c om*/

    switch (fxH.messageType()) {

    case PUBLISH:

        MqttPublishMessage publishMessage = (MqttPublishMessage) serverMessage;

        MqttPublishVariableHeader pubVH = publishMessage.variableHeader();

        ByteBuffer byteBuffer = publishMessage.payload().nioBuffer();

        return PublishMessage.from(pubVH.messageId(), fxH.isDup(), fxH.qosLevel().value(), fxH.isRetain(),
                pubVH.topicName(), byteBuffer, true);

    case PUBACK:

        MqttPubAckMessage pubAckMessage = (MqttPubAckMessage) serverMessage;

        MqttMessageIdVariableHeader msgIdVH = pubAckMessage.variableHeader();
        return AcknowledgeMessage.from(msgIdVH.messageId());

    case PUBREC:

        msgIdVH = (MqttMessageIdVariableHeader) serverMessage.variableHeader();
        return PublishReceivedMessage.from(msgIdVH.messageId());

    case PUBREL:

        msgIdVH = (MqttMessageIdVariableHeader) serverMessage.variableHeader();
        return ReleaseMessage.from(msgIdVH.messageId(), fxH.isDup());

    case PUBCOMP:

        msgIdVH = (MqttMessageIdVariableHeader) serverMessage.variableHeader();

        return CompleteMessage.from(msgIdVH.messageId());
    case PINGREQ:
    case PINGRESP:
        return Ping.from(fxH.isDup(), fxH.qosLevel().value(), fxH.isRetain());

    case CONNECT:

        MqttConnectMessage mqttConnectMessage = (MqttConnectMessage) serverMessage;
        MqttConnectVariableHeader conVH = mqttConnectMessage.variableHeader();
        MqttConnectPayload conPayload = mqttConnectMessage.payload();

        boolean isAnnonymousConnect = (!conVH.hasPassword() && !conVH.hasUserName());

        ConnectMessage connectionMessage = ConnectMessage.from(fxH.isDup(), fxH.qosLevel().value(),
                fxH.isRetain(), conVH.name(), conVH.version(), conVH.isCleanSession(), isAnnonymousConnect,
                conPayload.clientIdentifier(), conPayload.userName(), conPayload.password(),
                conVH.keepAliveTimeSeconds(), "");

        connectionMessage.setHasWill(conVH.isWillFlag());
        connectionMessage.setRetainWill(conVH.isWillRetain());
        connectionMessage.setWillQos(conVH.willQos());
        connectionMessage.setWillTopic(conPayload.willTopic());
        connectionMessage.setWillMessage(conPayload.willMessage());
        return connectionMessage;

    case CONNACK:

        MqttConnAckMessage connAckMessage = (MqttConnAckMessage) serverMessage;
        MqttConnAckVariableHeader connAckVH = connAckMessage.variableHeader();

        return ConnectAcknowledgeMessage.from(fxH.isDup(), fxH.qosLevel().value(), fxH.isRetain(), 20,
                connAckVH.connectReturnCode());

    case SUBSCRIBE:

        MqttSubscribeMessage subMsg = (MqttSubscribeMessage) serverMessage;
        msgIdVH = subMsg.variableHeader();
        MqttSubscribePayload subPayload = subMsg.payload();

        SubscribeMessage subscribeMessage = SubscribeMessage.from(msgIdVH.messageId(), fxH.isDup(),
                fxH.qosLevel().value(), fxH.isRetain());

        subPayload.topicSubscriptions().forEach(tSub -> {
            subscribeMessage.getTopicFilterList()
                    .add(new AbstractMap.SimpleEntry<>(tSub.topicName(), tSub.qualityOfService().value()));
        });

        return subscribeMessage;

    case UNSUBSCRIBE:

        MqttUnsubscribeMessage unSubMsg = (MqttUnsubscribeMessage) serverMessage;

        msgIdVH = unSubMsg.variableHeader();
        MqttUnsubscribePayload unsubscribePayload = unSubMsg.payload();

        return UnSubscribeMessage.from(msgIdVH.messageId(), fxH.isDup(), fxH.qosLevel().value(), fxH.isRetain(),
                unsubscribePayload.topics());

    case DISCONNECT:
        return DisconnectMessage.from(false);

    default:
        return null;
    }
}

From source file:io.moquette.spi.impl.AbstractProtocolProcessorCommonUtils.java

License:Open Source License

protected void verifyPublishIsReceived(EmbeddedChannel channel) {
    final MqttPublishMessage publishReceived = channel.readOutbound();
    String payloadMessage = new String(publishReceived.payload().array(), UTF_8);
    assertEquals("Sent and received payload must be identical", HELLO_WORLD_MQTT, payloadMessage);
}

From source file:io.moquette.spi.impl.AbstractProtocolProcessorCommonUtils.java

License:Open Source License

protected void verifyPublishIsReceived(EmbeddedChannel channel, String expectedPayload, MqttQoS expectedQoS) {
    final MqttPublishMessage publishReceived = channel.readOutbound();
    String payloadMessage = new String(publishReceived.payload().array(), UTF_8);
    assertEquals("Sent and received payload must be identical", expectedPayload, payloadMessage);
    assertEquals("Expected QoS don't match", expectedQoS, publishReceived.fixedHeader().qosLevel());
}

From source file:net.anyflow.lannister.message.Message.java

License:Apache License

public static Message newMessage(String clientId, MqttPublishMessage published) {
    return new Message(published.variableHeader().messageId(), published.variableHeader().topicName(), clientId,
            NettyUtil.copy(published.payload()), published.fixedHeader().qosLevel(),
            published.fixedHeader().isRetain());
}

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

License:Apache License

void handlePublish(MqttPublishMessage message) throws Exception {
    session.getMqttPublishManager().handleMessage(message.variableHeader().packetId(),
            message.variableHeader().topicName(), message.fixedHeader().qosLevel().value(), message.payload(),
            message.fixedHeader().isRetain());
}

From source file:org.apache.activemq.artemis.mqtt.example.SimpleMQTTInterceptor.java

License:Apache License

@Override
public boolean intercept(final MqttMessage mqttMessage, RemotingConnection connection) {
    System.out.println("MQTT control packet was intercepted " + mqttMessage.fixedHeader().messageType());

    // If you need to handle an specific packet type:
    if (mqttMessage instanceof MqttPublishMessage) {
        MqttPublishMessage message = (MqttPublishMessage) mqttMessage;

        String originalMessage = message.payload().toString(Charset.forName("UTF-8"));
        System.out.println("Original message: " + originalMessage);

        // The new message content must not be bigger that the original content.
        String modifiedMessage = "Modified message ";

        message.payload().setBytes(0, modifiedMessage.getBytes());
    } else {/*from  www  .  j  ava  2 s. com*/
        if (mqttMessage instanceof MqttConnectMessage) {
            MqttConnectMessage connectMessage = (MqttConnectMessage) mqttMessage;
            System.out.println("MQTT CONNECT control packet was intercepted " + connectMessage);
        }
    }

    // We return true which means "call next interceptor" (if there is one) or target.
    // If we returned false, it means "abort call" - no more interceptors would be called and neither would
    // the target
    return true;
}

From source file:org.thingsboard.mqtt.MqttChannelHandler.java

License:Apache License

private void invokeHandlersForIncomingPublish(MqttPublishMessage message) {
    boolean handlerInvoked = false;
    for (MqttSubscription subscription : ImmutableSet.copyOf(this.client.getSubscriptions().values())) {
        if (subscription.matches(message.variableHeader().topicName())) {
            if (subscription.isOnce() && subscription.isCalled()) {
                continue;
            }//from   w w w  . j ava2 s.co  m
            message.payload().markReaderIndex();
            subscription.setCalled(true);
            subscription.getHandler().onMessage(message.variableHeader().topicName(), message.payload());
            if (subscription.isOnce()) {
                this.client.off(subscription.getTopic(), subscription.getHandler());
            }
            message.payload().resetReaderIndex();
            handlerInvoked = true;
        }
    }
    if (!handlerInvoked && client.getDefaultHandler() != null) {
        client.getDefaultHandler().onMessage(message.variableHeader().topicName(), message.payload());
    }
    message.payload().release();
}

From source file:org.thingsboard.mqtt.MqttChannelHandler.java

License:Apache License

private void handlePublish(Channel channel, MqttPublishMessage message) {
    switch (message.fixedHeader().qosLevel()) {
    case AT_MOST_ONCE:
        invokeHandlersForIncomingPublish(message);
        break;/*w  w w.jav a2s . co m*/

    case AT_LEAST_ONCE:
        invokeHandlersForIncomingPublish(message);
        if (message.variableHeader().messageId() != -1) {
            MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PUBACK, false,
                    MqttQoS.AT_MOST_ONCE, false, 0);
            MqttMessageIdVariableHeader variableHeader = MqttMessageIdVariableHeader
                    .from(message.variableHeader().messageId());
            channel.writeAndFlush(new MqttPubAckMessage(fixedHeader, variableHeader));
        }
        break;

    case EXACTLY_ONCE:
        if (message.variableHeader().messageId() != -1) {
            MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PUBREC, false,
                    MqttQoS.AT_MOST_ONCE, false, 0);
            MqttMessageIdVariableHeader variableHeader = MqttMessageIdVariableHeader
                    .from(message.variableHeader().messageId());
            MqttMessage pubrecMessage = new MqttMessage(fixedHeader, variableHeader);

            MqttIncomingQos2Publish incomingQos2Publish = new MqttIncomingQos2Publish(message, pubrecMessage);
            this.client.getQos2PendingIncomingPublishes().put(message.variableHeader().messageId(),
                    incomingQos2Publish);
            message.payload().retain();
            incomingQos2Publish.startPubrecRetransmitTimer(this.client.getEventLoop().next(),
                    this.client::sendAndFlushPacket);

            channel.writeAndFlush(pubrecMessage);
        }
        break;
    }
}

From source file:org.thingsboard.server.transport.mqtt.adaptors.JsonMqttAdaptor.java

License:Apache License

@Override
public TransportProtos.PostTelemetryMsg convertToPostTelemetry(MqttDeviceAwareSessionContext ctx,
        MqttPublishMessage inbound) throws AdaptorException {
    String payload = validatePayload(ctx.getSessionId(), inbound.payload());
    try {//from www . ja v a  2s  .c  o  m
        return JsonConverter.convertToTelemetryProto(new JsonParser().parse(payload));
    } catch (IllegalStateException | JsonSyntaxException ex) {
        throw new AdaptorException(ex);
    }
}

From source file:org.thingsboard.server.transport.mqtt.adaptors.JsonMqttAdaptor.java

License:Apache License

@Override
public TransportProtos.PostAttributeMsg convertToPostAttributes(MqttDeviceAwareSessionContext ctx,
        MqttPublishMessage inbound) throws AdaptorException {
    String payload = validatePayload(ctx.getSessionId(), inbound.payload());
    try {/*from w  w w.j a va 2s .  c  o m*/
        return JsonConverter.convertToAttributesProto(new JsonParser().parse(payload));
    } catch (IllegalStateException | JsonSyntaxException ex) {
        throw new AdaptorException(ex);
    }
}