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Add the ability to add mqtt sensors at runtime

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This commit is contained in:
Carl Philipp Klemm 2026-04-26 13:50:06 +02:00
parent 36171a221a
commit 25b9f87285
11 changed files with 208 additions and 0 deletions
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32
src/sensors/mqttsensorsource.cpp
View file

@ -31,6 +31,25 @@ void MqttSensorSource::start(std::shared_ptr<MqttClient> client, const QJsonObje
}
}
void MqttSensorSource::addSensor(const QString& topic, const QString& name)
{
if(!client)
return;
SensorSubscription sensor;
sensor.topic = topic;
sensor.name = name;
sensor.id = qHash(client->getBaseTopic() + "/" + topic);
sensors.push_back(sensor);
// Subscribe if already connected
if(client->getClient()->state() == QMqttClient::ClientState::Connected)
{
sensor.subscription = client->subscribe(client->getBaseTopic() + "/" + topic);
connect(sensor.subscription->subscription, &QMqttSubscription::messageReceived, this, &MqttSensorSource::onMessageReceived);
}
}
MqttSensorSource::SensorSubscription& MqttSensorSource::findSubscription(const QString& topic)
{
for(SensorSubscription& sensor : sensors)
@ -194,3 +213,16 @@ MqttSensorSource::~MqttSensorSource()
client->unsubscribe(client->getBaseTopic() + "/" + sub.topic);
}
void MqttSensorSource::onSensorAdded(Sensor sensor, Sensor::sensor_backend_type_t backend, QJsonObject payload)
{
if(backend != Sensor::BACKEND_MQTT)
return;
QString topic = payload["Topic"].toString();
QString name = payload["Name"].toString();
if(topic.isEmpty())
return;
addSensor(topic, name);
}

4
src/sensors/mqttsensorsource.h
View file

@ -31,10 +31,14 @@ private slots:
void onClientStateChanged(QMqttClient::ClientState state);
void onMessageReceived(const QMqttMessage& message);
public slots:
void onSensorAdded(Sensor sensor, Sensor::sensor_backend_type_t backend, QJsonObject payload);
public:
explicit MqttSensorSource(QObject *parent = nullptr);
~MqttSensorSource();
void start(std::shared_ptr<MqttClient> client, const QJsonObject& settings);
void addSensor(const QString& topic, const QString& name);
void store(QJsonObject& json);
signals:

6
src/sensors/sensor.h
View file

@ -33,6 +33,12 @@ public:
TYPE_DUMMY,
} sensor_type_t;
typedef enum {
BACKEND_MICROCONTROLLER = 0,
BACKEND_MQTT,
BACKEND_SUN,
} sensor_backend_type_t;
sensor_type_t type;
uint64_t id;
float field;