Examples with MqttMessage io.netty.handler.codec.mqtt.MqttMessage used on opensource projects

Example 16 with MqttMessage

use of io.netty.handler.codec.mqtt.MqttMessage in project thingsboard by thingsboard.

the class MqttTransportHandler method processProvisionSessionMsg.

private void processProvisionSessionMsg(ChannelHandlerContext ctx, MqttMessage msg) {
    switch(msg.fixedHeader().messageType()) {
        case PUBLISH:
            MqttPublishMessage mqttMsg = (MqttPublishMessage) msg;
            String topicName = mqttMsg.variableHeader().topicName();
            int msgId = mqttMsg.variableHeader().packetId();
            try {
                if (topicName.equals(MqttTopics.DEVICE_PROVISION_REQUEST_TOPIC)) {
                    try {
                        TransportProtos.ProvisionDeviceRequestMsg provisionRequestMsg = deviceSessionCtx.getContext().getJsonMqttAdaptor().convertToProvisionRequestMsg(deviceSessionCtx, mqttMsg);
                        transportService.process(provisionRequestMsg, new DeviceProvisionCallback(ctx, msgId, provisionRequestMsg));
                        log.trace("[{}][{}] Processing provision publish msg [{}][{}]!", sessionId, deviceSessionCtx.getDeviceId(), topicName, msgId);
                    } catch (Exception e) {
                        if (e instanceof JsonParseException || (e.getCause() != null && e.getCause() instanceof JsonParseException)) {
                            TransportProtos.ProvisionDeviceRequestMsg provisionRequestMsg = deviceSessionCtx.getContext().getProtoMqttAdaptor().convertToProvisionRequestMsg(deviceSessionCtx, mqttMsg);
                            transportService.process(provisionRequestMsg, new DeviceProvisionCallback(ctx, msgId, provisionRequestMsg));
                            deviceSessionCtx.setProvisionPayloadType(TransportPayloadType.PROTOBUF);
                            log.trace("[{}][{}] Processing provision publish msg [{}][{}]!", sessionId, deviceSessionCtx.getDeviceId(), topicName, msgId);
                        } else {
                            throw e;
                        }
                    }
                } else {
                    log.debug("[{}] Unsupported topic for provisioning requests: {}!", sessionId, topicName);
                    ctx.close();
                }
            } catch (RuntimeException e) {
                log.warn("[{}] Failed to process publish msg [{}][{}]", sessionId, topicName, msgId, e);
                ctx.close();
            } catch (AdaptorException e) {
                log.debug("[{}] Failed to process publish msg [{}][{}]", sessionId, topicName, msgId, e);
                ctx.close();
            }
            break;
        case PINGREQ:
            ctx.writeAndFlush(new MqttMessage(new MqttFixedHeader(PINGRESP, false, AT_MOST_ONCE, false, 0)));
            break;
        case DISCONNECT:
            ctx.close();
            break;
    }
}

Example 17 with MqttMessage

use of io.netty.handler.codec.mqtt.MqttMessage in project thingsboard by thingsboard.

the class MqttTransportHandler method processRegularSessionMsg.

void processRegularSessionMsg(ChannelHandlerContext ctx, MqttMessage msg) {
    switch(msg.fixedHeader().messageType()) {
        case PUBLISH:
            processPublish(ctx, (MqttPublishMessage) msg);
            break;
        case SUBSCRIBE:
            processSubscribe(ctx, (MqttSubscribeMessage) msg);
            break;
        case UNSUBSCRIBE:
            processUnsubscribe(ctx, (MqttUnsubscribeMessage) msg);
            break;
        case PINGREQ:
            if (checkConnected(ctx, msg)) {
                ctx.writeAndFlush(new MqttMessage(new MqttFixedHeader(PINGRESP, false, AT_MOST_ONCE, false, 0)));
                transportService.reportActivity(deviceSessionCtx.getSessionInfo());
            }
            break;
        case DISCONNECT:
            ctx.close();
            break;
        case PUBACK:
            int msgId = ((MqttPubAckMessage) msg).variableHeader().messageId();
            TransportProtos.ToDeviceRpcRequestMsg rpcRequest = rpcAwaitingAck.remove(msgId);
            if (rpcRequest != null) {
                transportService.process(deviceSessionCtx.getSessionInfo(), rpcRequest, RpcStatus.DELIVERED, TransportServiceCallback.EMPTY);
            }
            break;
        default:
            break;
    }
}

Example 18 with MqttMessage

use of io.netty.handler.codec.mqtt.MqttMessage in project thingsboard by thingsboard.

the class DeviceSessionCtx method tryProcessQueuedMsgs.

public void tryProcessQueuedMsgs(Consumer<MqttMessage> msgProcessor) {
    while (!msgQueue.isEmpty()) {
        if (msgQueueProcessorLock.tryLock()) {
            try {
                MqttMessage msg;
                while ((msg = msgQueue.poll()) != null) {
                    try {
                        msgQueueSize.decrementAndGet();
                        msgProcessor.accept(msg);
                    } finally {
                        ReferenceCountUtil.safeRelease(msg);
                    }
                }
            } finally {
                msgQueueProcessorLock.unlock();
            }
        } else {
            return;
        }
    }
}

Example 19 with MqttMessage

use of io.netty.handler.codec.mqtt.MqttMessage in project thingsboard by thingsboard.

the class MqttPingHandler method handlePingReq.

private void handlePingReq(Channel channel) {
    MqttFixedHeader fixedHeader = new MqttFixedHeader(MqttMessageType.PINGRESP, false, MqttQoS.AT_MOST_ONCE, false, 0);
    channel.writeAndFlush(new MqttMessage(fixedHeader));
}

Example 20 with MqttMessage

use of io.netty.handler.codec.mqtt.MqttMessage in project thingsboard by thingsboard.

the class MqttClientImpl method disconnect.

@Override
public void disconnect() {
    disconnected = true;
    if (this.channel != null) {
        MqttMessage message = new MqttMessage(new MqttFixedHeader(MqttMessageType.DISCONNECT, false, MqttQoS.AT_MOST_ONCE, false, 0));
        this.sendAndFlushPacket(message).addListener(future1 -> channel.close());
    }
}