Ref T709, virtual function for timestamp setting

src/blackmisc/simulation/settings/xswiftbussettingsqtfree.cpp

@@ -11,7 +11,9 @@
 
 #include "rapidjson/document.h"     // rapidjson's DOM-style API
 #include "rapidjson/prettywriter.h" // for stringify JSON
+
 #include <string>
+#include <chrono>
 
 using namespace BlackMisc::Simulation::Settings;
 using namespace BlackMisc::Simulation::XPlane;
@@ -111,6 +113,13 @@ namespace BlackMisc
                        ", follow dist m: "   + std::to_string(m_followAircraftDistanceM) +
                        ", ts: " + std::to_string(m_msSinceEpochQtFree);
             }
+
+            void CXSwiftBusSettingsQtFree::setCurrentUtcTime()
+            {
+                using namespace std::chrono;
+                const milliseconds ms = duration_cast<milliseconds>(system_clock::now().time_since_epoch());
+                m_msSinceEpochQtFree = static_cast<int64_t>(ms.count());
+            }
         } // ns
     } // ns
 } // ns

src/blackmisc/simulation/settings/xswiftbussettingsqtfree.h

@@ -27,6 +27,9 @@ namespace BlackMisc
                 //! Constructor.
                 CXSwiftBusSettingsQtFree();
 
+                //! Dtor
+                virtual ~CXSwiftBusSettingsQtFree() {}
+
                 //! DBus server
                 const std::string &getDBusServerAddress() const { return m_dBusServerAddress; }
 
@@ -66,6 +69,9 @@ namespace BlackMisc
                 //! Convert to string
                 std::string convertToString() const;
 
+                //! Sets timestamp to now
+                virtual void setCurrentUtcTime();
+
             protected:
                 //! The JSON members @{
                 static constexpr char JsonDBusServerAddress[] = "dbusserveradress";