correct subscription processing

sources/awesome-widget/plugin/awdataengineaggregator.cpp

@@ -17,15 +17,17 @@
 
 #include "awdataengineaggregator.h"
 
-#include <QDBusConnection>
 #include <ksysguard/formatter/Unit.h>
 #include <ksysguard/systemstats/DBusInterface.h>
 
+#include <QDBusConnection>
+
 #include "awdebug.h"
 
 
 AWDataEngineAggregator::AWDataEngineAggregator(QObject *_parent)
     : QObject(_parent)
+    , m_interface(new KSysGuard::SystemStats::DBusInterface())
 {
     qCDebug(LOG_AW) << __PRETTY_FUNCTION__;
 
@@ -34,12 +36,14 @@ AWDataEngineAggregator::AWDataEngineAggregator(QObject *_parent)
     qDBusRegisterMetaType<KSysGuard::SensorDataList>();
     qDBusRegisterMetaType<QHash<QString, KSysGuard::SensorInfo>>();
 
-    m_interface = new KSysGuard::SystemStats::DBusInterface();
+    connect(m_interface, &KSysGuard::SystemStats::DBusInterface::newSensorData, this,
-
+            &AWDataEngineAggregator::updateData);
-    connect(m_interface, &KSysGuard::SystemStats::DBusInterface::newSensorData, this, &AWDataEngineAggregator::updateData);
+    connect(m_interface, &KSysGuard::SystemStats::DBusInterface::sensorMetaDataChanged, this,
-    connect(m_interface, &KSysGuard::SystemStats::DBusInterface::sensorMetaDataChanged, this, &AWDataEngineAggregator::updateSensors);
+            &AWDataEngineAggregator::updateSensors);
-    connect(m_interface, &KSysGuard::SystemStats::DBusInterface::sensorAdded, this, &AWDataEngineAggregator::sensorAdded);
+    connect(m_interface, &KSysGuard::SystemStats::DBusInterface::sensorAdded, this,
-    connect(m_interface, &KSysGuard::SystemStats::DBusInterface::sensorRemoved, this, &AWDataEngineAggregator::sensorRemoved);
+            &AWDataEngineAggregator::sensorAdded);
+    connect(m_interface, &KSysGuard::SystemStats::DBusInterface::sensorRemoved, this,
+            &AWDataEngineAggregator::sensorRemoved);
 
     loadSources();
 }
@@ -54,9 +58,20 @@ AWDataEngineAggregator::~AWDataEngineAggregator()
 }
 
 
+void AWDataEngineAggregator::connectSources()
+{
+    auto keys = m_sensors.keys();
+    auto newKeys = QSet(keys.cbegin(), keys.cend()) - m_subscribed;
+
+    m_interface->subscribe(newKeys.values()).waitForFinished();
+    m_subscribed.unite(newKeys);
+}
+
+
 void AWDataEngineAggregator::disconnectSources()
 {
-    m_interface->unsubscribe(m_sensors.keys());
+    m_interface->unsubscribe(m_subscribed.values()).waitForFinished();
+    m_subscribed.clear();
 }
 
 
@@ -73,15 +88,7 @@ void AWDataEngineAggregator::loadSources()
 
     auto sensors = response.value();
     updateSensors(sensors);
-}
+    connectSources();
-
-
-void AWDataEngineAggregator::reconnectSources(const int interval)
-{
-    qCDebug(LOG_AW) << "Reconnect all sensors with update interval" << interval;
-
-    disconnectSources();
-    m_interface->subscribe(m_sensors.keys());
 }
 
 
@@ -89,7 +96,10 @@ void AWDataEngineAggregator::dropSource(const QString &_source)
 {
     qCDebug(LOG_AW) << "Disconnect sensor" << _source;
 
-    m_interface->unsubscribe({_source});
+    if (m_subscribed.contains(_source)) {
+        m_interface->unsubscribe({_source}).waitForFinished();
+        m_subscribed.remove(_source);
+    }
 }
 
 
@@ -100,13 +110,17 @@ void AWDataEngineAggregator::sensorAdded(const QString &_sensor)
     // check if sensor is actually valid
     auto response = m_interface->sensors({_sensor});
     response.waitForFinished();
-    auto info = response.value();
+
-    if (info.count() != 1)
+    auto info = response.value().value(_sensor);
+    if (!isValidSensor(info))
         return;
 
-    qCWarning(LOG_AW) << info.keys();
+    m_sensors[_sensor] = info;
-
+    dropSource(_sensor); // force reconnect
-    m_interface->subscribe({_sensor});
+    if (!m_subscribed.contains(_sensor)) {
+        m_interface->subscribe({_sensor}).waitForFinished();
+        m_subscribed.insert(_sensor);
+    }
 }
 
 
@@ -115,9 +129,10 @@ void AWDataEngineAggregator::sensorRemoved(const QString &_sensor)
     qCDebug(LOG_AW) << "Sensor" << _sensor << "has been removed";
 
     m_sensors.remove(_sensor);
-    m_interface->unsubscribe({_sensor});
+    dropSource(_sensor);
 }
 
+
 void AWDataEngineAggregator::updateData(KSysGuard::SensorDataList _data)
 {
     emit(dataUpdated(m_sensors, _data));

sources/awesome-widget/plugin/awdataengineaggregator.h

@@ -15,9 +15,7 @@
  *   along with awesome-widgets. If not, see http://www.gnu.org/licenses/  *
  ***************************************************************************/
 
-
+#pragma once
-#ifndef AWDATAENGINEAGGREGATOR_H
-#define AWDATAENGINEAGGREGATOR_H
 
 #include <ksysguard/systemstats/SensorInfo.h>
 
@@ -31,7 +29,6 @@ namespace KSysGuard::SystemStats
 class DBusInterface;
 }
 
-
 class AWDataEngineAggregator : public QObject
 {
     Q_OBJECT
@@ -39,10 +36,10 @@ class AWDataEngineAggregator : public QObject
 public:
     explicit AWDataEngineAggregator(QObject *_parent = nullptr);
     ~AWDataEngineAggregator() override;
+    void connectSources();
     void disconnectSources();
-    [[nodiscard]] bool isValidSensor(const KSysGuard::SensorInfo &_sensor);
+    [[nodiscard]] static bool isValidSensor(const KSysGuard::SensorInfo &_sensor);
     void loadSources();
-    void reconnectSources(const int interval);
 
 signals:
     void dataUpdated(const QHash<QString, KSysGuard::SensorInfo> &_sensors, const KSysGuard::SensorDataList &_data);
@@ -58,7 +55,5 @@ public slots:
 private:
     KSysGuard::SystemStats::DBusInterface *m_interface = nullptr;
     QHash<QString, KSysGuard::SensorInfo> m_sensors;
+    QSet<QString> m_subscribed;
 };
-
-
-#endif /* AWDATAENGINEAGGREGATOR_H */

sources/awesome-widget/plugin/awdataenginemapper.cpp

@@ -347,7 +347,8 @@ QStringList AWDataEngineMapper::registerSource(const QString &_source, const KSy
         // gb
         m_map.insert(_source, "swapgb");
         m_formatter["swapgb"] = AWKeysAggregator::FormatterType::MemGBFormat;
-    } else if (_source.startsWith("lmsensors/") || _source.contains(cpuTempRegExp) || _source == "cpu/all/averageTemperature") {
+    } else if (_source.startsWith("lmsensors/") || _source.contains(cpuTempRegExp)
+               || _source == "cpu/all/averageTemperature") {
         // temperature
         auto index = m_devices["temp"].indexOf(_source);
         // HACK on DE initialization there are no units key

sources/awesome-widget/plugin/awkeyoperations.cpp

@@ -314,7 +314,8 @@ void AWKeyOperations::addDevice(const QString &_source)
         QString device = _source;
         device.remove("partitions").remove("/filllevel");
         addKeyToCache("mount", device);
-    } else if (_source.startsWith("lmsensors") || _source.contains(cpuTempRegExp) || _source == "cpu/all/averageTemperature") {
+    } else if (_source.startsWith("lmsensors") || _source.contains(cpuTempRegExp)
+               || _source == "cpu/all/averageTemperature") {
         addKeyToCache("temp", _source);
     }
 }

sources/awesome-widget/plugin/awkeys.cpp

@@ -60,7 +60,8 @@ AWKeys::AWKeys(QObject *_parent)
     connect(m_timer, &QTimer::timeout, this, &AWKeys::updateTextData);
 
     // transfer signal from AWDataAggregator object to QML ui
-    connect(m_dataAggregator, &AWDataAggregator::toolTipPainted, [this](const QString &_tooltip) { emit(needToolTipToBeUpdated(_tooltip)); });
+    connect(m_dataAggregator, &AWDataAggregator::toolTipPainted,
+            [this](const QString &_tooltip) { emit(needToolTipToBeUpdated(_tooltip)); });
 
     connect(this, &AWKeys::dropSourceFromDataengine, m_dataEngineAggregator, &AWDataEngineAggregator::dropSource);
     connect(m_dataEngineAggregator, &AWDataEngineAggregator::dataUpdated, this, &AWKeys::dataUpdated);
@@ -102,7 +103,6 @@ void AWKeys::initKeys(const QString &_currentPattern, const int _interval, const
     m_aggregator->initFormatters();
     m_keyOperator->setPattern(_currentPattern);
     m_keyOperator->updateCache();
-    m_dataEngineAggregator->reconnectSources(_interval);
 
     // timer
     m_timer->setInterval(_interval);

sources/extsysmonsources/extsysmonsensor.cpp

@@ -67,7 +67,6 @@ void ExtSysMonSensor::update()
             continue; // skip properties which are not explicitly subscribed
 
         auto value = m_source->data(source);
-        qCWarning(LOG_ESS) << source << value;
         property->setValue(value);
     }
 }

sources/extsysmonsources/networksource.cpp

@@ -52,7 +52,7 @@ NetworkSource::~NetworkSource()
 
 QVariant NetworkSource::data(const QString &_source)
 {
-    qCWarning(LOG_ESS) << "Source" << _source;
+    qCDebug(LOG_ESS) << "Source" << _source;
 
     if (!m_values.contains(_source))
         run();
@@ -82,8 +82,10 @@ KSysGuard::SensorInfo *NetworkSource::initialData(const QString &_source) const
 void NetworkSource::run()
 {
     m_values["device"] = NetworkSource::getCurrentDevice();
+    if (m_process->state() == QProcess::ProcessState::NotRunning) {
         m_process->start("iwgetid", {"-r"});
     }
+}
 
 
 QStringList NetworkSource::sources() const

sources/extsysmonsources/weathersource.cpp

@@ -49,12 +49,10 @@ QVariant WeatherSource::data(const QString &_source)
 
     int ind = index(_source);
     if (!m_values.contains(_source)) {
-        QVariantHash data = m_extWeather->itemByTagNumber(ind)->run();
+        auto data = m_extWeather->itemByTagNumber(ind)->run();
-        for (auto &key : data.keys())
+        m_values.insert(data);
-            m_values[key] = data[key];
     }
-    QVariant value = m_values.take(_source);
+    return m_values.take(_source);
-    return value;
 }
 
 
@@ -94,7 +92,7 @@ KSysGuard::SensorInfo *WeatherSource::initialData(const QString &_source) const
         data->unit = KSysGuard::UnitCelsius;
     } else if (_source.startsWith("timestamp")) {
         data->name = QString("Timestamp for '%1'").arg(m_extWeather->itemByTagNumber(ind)->uniq());
-        data->variantType = QVariant::String;
+        data->variantType = QVariant::DateTime;
         data->unit = KSysGuard::UnitNone;
     }