Index: sources/applicationcontroller.h
===================================================================
diff -u -rfee7fabf49befb065c89248c19e15efc9ca194e4 -r4b9619614f0a9deb0438a803c057918b94aacbec
--- sources/applicationcontroller.h	(.../applicationcontroller.h)	(revision fee7fabf49befb065c89248c19e15efc9ca194e4)
+++ sources/applicationcontroller.h	(.../applicationcontroller.h)	(revision 4b9619614f0a9deb0438a803c057918b94aacbec)
@@ -46,11 +46,14 @@
 
 private:
     void initConnections();
+    void keepAlive();
 
 private slots: // Should be private for thread safety and is connected internally.
     void  onActionReceive (GuiActionType vAction, const QVariantList &vData); // UI <= HD/DG
     void  onActionTransmit(GuiActionType vAction, const QVariantList &vData); // UI => HD/DG
 
+    void  onMainTimerTimeout();
+
 signals:
     void didActionReceive (GuiActionType vAction, const QVariantList &vData); // UI <= HD/DG
     void didActionTransmit(GuiActionType vAction, const QVariantList &vData); // UI => HD/DG