Hotcache: Prepare for stats collecting

Author: nephros

src/bin/patchmanager-daemon/patchmanagerobject.cpp

@@ -3075,3 +3075,7 @@ void PatchManagerFilter::setup()
         }
     }
 }
+
+QList<QPair<QString, QVariant>> PatchManagerFilter::stats() const
+{
+}

src/bin/patchmanager-daemon/patchmanagerobject.h

@@ -79,6 +79,8 @@ class PatchManagerFilter : public QObject, public QCache<QString, QObject>
 {
     Q_OBJECT
     Q_PROPERTY(bool active READ active WRITE setActive NOTIFY activeChanged)
+    Q_PROPERTY(unsigned int hits READ hits)
+    Q_PROPERTY(unsigned int misses READ misses)
 public:
     PatchManagerFilter(QObject *parent = nullptr, int maxCost = 100);
     //~PatchManagerFilter();
@@ -97,11 +99,20 @@ class PatchManagerFilter : public QObject, public QCache<QString, QObject>
     void setActive(bool active) { m_active = active; emit activeChanged(active); };
     bool active() const { return m_active; };
 
+    void hit()  { m_hits++; };
+    void miss() { m_misses++; };
+    unsigned int hits()   const { return m_hits; };
+    unsigned int misses() const { return m_misses; };
+
+    QList<QPair<QString, QVariant>> stats() const;
+
 signals:
     void activeChanged(bool);
 
 private:
     bool m_active;
+    unsigned int m_hits = 0;
+    unsigned int m_misses = 0;
 };
 
 class PatchManagerObject : public QObject, public QDBusContext