[FS9] Test connection via FSUIPC in listener

Checking whether the FS2004 host is connected is not enough since we rely
on FSUIPC. Do not activate the simulator if FSUIPC is not available (e.g.
not installed).

src/plugins/simulator/fs9/simulatorfs9.cpp

@@ -474,7 +474,8 @@ namespace BlackSimPlugin
             ISimulatorListener(info),
             m_timer(new QTimer(this)),
             m_fs9Host(fs9Host),
-            m_lobbyClient(lobbyClient)
+            m_lobbyClient(lobbyClient),
+            m_fsuipc(new CFsuipc(this))
         {
             const int QueryInterval = 5 * 1000; // 5 seconds
             m_timer->setInterval(QueryInterval);
@@ -517,6 +518,10 @@ namespace BlackSimPlugin
 
         bool CSimulatorFs9Listener::checkConnection(bool canLobbyConnect)
         {
+            m_fsuipc->open();
+            if (! m_fsuipc->isOpen()) { return false; }
+            m_fsuipc->close();
+
             if (m_fs9Host->getHostAddress().isEmpty()) { return false; } // host not yet set up
             if (canLobbyConnect)
             {
@@ -533,7 +538,6 @@ namespace BlackSimPlugin
                 m_isConnecting = false;
                 emit this->simulatorStarted(this->getPluginInfo());
             }
-
             return m_isConnecting;
         }
 

src/plugins/simulator/fs9/simulatorfs9.h

@@ -148,6 +148,7 @@ namespace BlackSimPlugin
             bool m_isStarted    = false;
             QSharedPointer<CFs9Host> m_fs9Host;
             QSharedPointer<CLobbyClient> m_lobbyClient;
+            FsCommon::CFsuipc *m_fsuipc = nullptr;
         };
 
         //! Factory implementation to create CSimulatorFs9 instances