refs #375 finish sending of interim positions

Airspace monitor knows all remote aircrafts and which have interim
positions enabled. It passes the list of receivers to INetwork
and INetwork sends it to FSD.

src/blackcore/airspace_monitor.h

@@ -131,6 +131,12 @@ namespace BlackCore
             std::function<void(const BlackMisc::Aviation::CCallsign &)> removedAircraftSlot
         ) override;
 
+        //! Is interim position sending enabled?
+        bool isFastPositionSendingEnabled() const;
+
+        //! Enable interim position sending
+        void enableFastPositionSending(bool enable);
+
         static const qint64 AircraftSituationsRemovedOffsetMs = 30 * 1000; //!< situations older than now - offset will be removed
         static const qint64 AircraftPartsRemoveOffsetMs = 30* 1000;        //!< parts older than now - offset will be removed
 
@@ -184,6 +190,9 @@ namespace BlackCore
         CAirspaceWatchdog      m_aircraftWatchdog;
         bool                   m_serverSupportsNameQuery = false; //!< not all servers support name query
         bool                   m_connected = false;               //!< retrieve data
+        bool                   m_sendInterimPositions = false;
+
+        QTimer m_interimPositionUpdateTimer;
 
         //! Remove ATC online stations
         void removeAllOnlineAtcStations();
@@ -224,6 +233,8 @@ namespace BlackCore
 
         //!  Send the information if aircraft and(!) client are vailable
         void ps_sendReadyForModelMatching(const BlackMisc::Aviation::CCallsign &callsign, int trial);
+
+        void ps_sendInterimPosition();
     };
 
 } // namespace