Exemplo n.º 1
0
 public bool Import(out string result)
 {
     if (!ReadFile())
     {
         result = "The import file could not be read with specified settings.";
         return(false);
     }
     if (DateCol.HasValue)
     {
         foreach (ImportSystem sys in SystemsForImport)
         {
             if (!ImportJump(sys))
             {
                 result = string.Format("Travel History import failed at {0}.", sys.SysName);
                 return(false);
             }
         }
     }
     if (SysNoteCol.HasValue)
     {
         foreach (ImportSystem sys in SystemsForImport)
         {
             if (!ImportNote(sys))
             {
                 result = string.Format("System Note import failed at {0}.", sys.SysName);
                 return(false);
             }
             SystemNoteClass.GetAllSystemNotes();
         }
     }
     result = "File imported successfully";
     return(true);
 }
Exemplo n.º 2
0
        private void BackgroundInit()
        {
            StarScan.LoadBodyDesignationMap();
            MaterialCommodityDB.SetUpInitialTable();

            if (!EDDOptions.Instance.NoSystemsLoad)
            {
                downloadMapsTask = FGEImage.DownloadMaps(this, () => PendingClose, LogLine, LogLineHighlight);
                CheckSystems(() => PendingClose, (p, s) => ReportProgress(p, s));
            }

            SystemNoteClass.GetAllSystemNotes();                                // fill up memory with notes, bookmarks, galactic mapping
            BookmarkClass.GetAllBookmarks();

            ReportProgress(-1, "");
            InvokeAsyncOnUiThread(() => OnInitialSyncComplete?.Invoke());

            if (PendingClose)
            {
                return;
            }

            if (EliteDangerousCore.EDDN.EDDNClass.CheckforEDMC()) // EDMC is running
            {
                if (EDCommander.Current.SyncToEddn)               // Both EDD and EDMC should not sync to EDDN.
                {
                    LogLineHighlight("EDDiscovery and EDMarketConnector should not both sync to EDDN. Stop EDMC or uncheck 'send to EDDN' in settings tab!");
                }
            }

            if (PendingClose)
            {
                return;
            }
            LogLine("Reading travel history");

            if (!EDDOptions.Instance.NoLoad)
            {
                DoRefreshHistory(new RefreshWorkerArgs {
                    CurrentCommander = EDCommander.CurrentCmdrID
                });
            }

            if (PendingClose)
            {
                return;
            }

            if (syncstate.performeddbsync || syncstate.performedsmsync)
            {
                string databases = (syncstate.performedsmsync && syncstate.performeddbsync) ? "EDSM and EDDB" : ((syncstate.performedsmsync) ? "EDSM" : "EDDB");

                LogLine("ED Discovery will now synchronise to the " + databases + " databases to obtain star information." + Environment.NewLine +
                        "This will take a while, up to 15 minutes, please be patient." + Environment.NewLine +
                        "Please continue running ED Discovery until refresh is complete.");
            }
            InvokeAsyncOnUiThread(() => OnInitialisationComplete?.Invoke());
        }
Exemplo n.º 3
0
        private void CheckSystems(Func <bool> cancelRequested, Action <int, string> reportProgress)  // ASYNC process, done via start up, must not be too slow.
        {
            reportProgress(-1, "");

            string   rwsystime = SQLiteConnectionSystem.GetSettingString("EDSMLastSystems", "2000-01-01 00:00:00"); // Latest time from RW file.
            DateTime edsmdate;

            if (!DateTime.TryParse(rwsystime, CultureInfo.InvariantCulture, DateTimeStyles.None, out edsmdate))
            {
                edsmdate = new DateTime(2000, 1, 1);
            }

            if (DateTime.Now.Subtract(edsmdate).TotalDays > 7)  // Over 7 days do a sync from EDSM
            {
                // Also update galactic mapping from EDSM
                LogLine("Get galactic mapping from EDSM.");
                galacticMapping.DownloadFromEDSM();

                // Skip EDSM full update if update has been performed in last 4 days
                bool     outoforder = SQLiteConnectionSystem.GetSettingBool("EDSMSystemsOutOfOrder", true);
                DateTime lastmod    = outoforder ? SystemClass.GetLastSystemModifiedTime() : SystemClass.GetLastSystemModifiedTimeFast();

                if (DateTime.UtcNow.Subtract(lastmod).TotalDays > 4 ||
                    DateTime.UtcNow.Subtract(edsmdate).TotalDays > 28)
                {
                    syncstate.performedsmsync = true;
                }
                else
                {
                    SQLiteConnectionSystem.PutSettingString("EDSMLastSystems", DateTime.Now.ToString(CultureInfo.InvariantCulture));
                }
            }

            if (!cancelRequested())
            {
                SQLiteConnectionUser.TranferVisitedSystemstoJournalTableIfRequired();
                SQLiteConnectionSystem.CreateSystemsTableIndexes();
                SystemNoteClass.GetAllSystemNotes();                    // fill up memory with notes, bookmarks, galactic mapping
                BookmarkClass.GetAllBookmarks();
                galacticMapping.ParseData();                            // at this point, EDSM data is loaded..
                SystemClass.AddToAutoComplete(galacticMapping.GetGMONames());
                EDDiscovery.EliteDangerous.MaterialCommodityDB.SetUpInitialTable();

                LogLine("Loaded Notes, Bookmarks and Galactic mapping.");

                string   timestr = SQLiteConnectionSystem.GetSettingString("EDDBSystemsTime", "0");
                DateTime time    = new DateTime(Convert.ToInt64(timestr), DateTimeKind.Utc);
                if (DateTime.UtcNow.Subtract(time).TotalDays > 6.5)     // Get EDDB data once every week.
                {
                    syncstate.performeddbsync = true;
                }
            }
        }
Exemplo n.º 4
0
        public override bool ToCSV(string filename)
        {
            try
            {
                using (StreamWriter writer = new StreamWriter(filename))
                {
                    if (IncludeHeader)
                    {
                        writer.Write("StarName" + delimiter);
                        writer.Write("JournalEntry" + delimiter);
                        writer.Write("EDSMID" + delimiter);
                        writer.Write("Time" + delimiter);
                        writer.Write("Note");
                        writer.WriteLine();
                    }

                    SystemNoteClass.GetAllSystemNotes();

                    foreach (SystemNoteClass snc in SystemNoteClass.globalSystemNotes)
                    {
                        writer.Write(MakeValueCsvFriendly(snc.SystemName.Length > 0 ? snc.SystemName : "N/A"));
                        writer.Write(MakeValueCsvFriendly(snc.Journalid > 0 ? snc.Journalid.ToString() : "N/A"));
                        writer.Write(MakeValueCsvFriendly(snc.EdsmId > 0 ? snc.EdsmId.ToString() : "N/A"));
                        writer.Write(MakeValueCsvFriendly(snc.Time));
                        writer.Write(MakeValueCsvFriendly(snc.Note, false));
                        writer.WriteLine();
                    }
                }

                return(true);
            }
            catch (IOException)
            {
                ExtendedControls.MessageBoxTheme.Show(String.Format("Is file {0} open?", filename), TITLE,
                                                      MessageBoxButtons.OK, MessageBoxIcon.Error);
                return(false);
            }
        }
Exemplo n.º 5
0
        // Called from Background Thread Worker at Init()

        private void BackgroundInit()
        {
            StarScan.LoadBodyDesignationMap();

            SQLiteConnectionSystem.CreateSystemsTableIndexes();     // just make sure they are there..

            Debug.WriteLine(BaseUtils.AppTicks.TickCountLap() + " Check systems");
            ReportSyncProgress(-1, "");

            bool checkGithub = EDDOptions.Instance.CheckGithubFiles;

            if (checkGithub)      // not normall in debug, due to git hub chokeing
            {
                // Async load of maps in another thread
                DownloadMaps(() => PendingClose);

                // and Expedition data
                DownloadExpeditions(() => PendingClose);

                // and Exploration data
                DownloadExploration(() => PendingClose);
            }

            if (!EDDOptions.Instance.NoSystemsLoad)
            {
                // Former CheckSystems, reworked to accomodate new switches..
                // Check to see what sync refreshes we need

                // New Galmap load - it was not doing a refresh if EDSM sync kept on happening. Now has its own timer

                string   rwgalmaptime = SQLiteConnectionSystem.GetSettingString("EDSMGalMapLast", "2000-01-01 00:00:00"); // Latest time from RW file.
                DateTime galmaptime;
                if (!DateTime.TryParse(rwgalmaptime, CultureInfo.InvariantCulture, DateTimeStyles.AssumeUniversal, out galmaptime))
                {
                    galmaptime = new DateTime(2000, 1, 1);
                }

                if (DateTime.Now.Subtract(galmaptime).TotalDays > 14)  // Over 14 days do a sync from EDSM for galmap
                {
                    LogLine("Get galactic mapping from EDSM.".Tx(this, "EDSM"));
                    galacticMapping.DownloadFromEDSM();
                    SQLiteConnectionSystem.PutSettingString("EDSMGalMapLast", DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss"));
                }

                Debug.WriteLine(BaseUtils.AppTicks.TickCountLap() + " Check systems complete");
            }

            galacticMapping.ParseData();                            // at this point, gal map data has been uploaded - get it into memory
            SystemClassDB.AddToAutoComplete(galacticMapping.GetGMONames());
            SystemNoteClass.GetAllSystemNotes();

            LogLine("Loaded Notes, Bookmarks and Galactic mapping.".Tx(this, "LN"));

            if (PendingClose)
            {
                return;
            }

            if (EliteDangerousCore.EDDN.EDDNClass.CheckforEDMC()) // EDMC is running
            {
                if (EDCommander.Current.SyncToEddn)               // Both EDD and EDMC should not sync to EDDN.
                {
                    LogLineHighlight("EDDiscovery and EDMarketConnector should not both sync to EDDN. Stop EDMC or uncheck 'send to EDDN' in settings tab!".Tx(this, "EDMC"));
                }
            }

            if (!EDDOptions.Instance.NoLoad)        // here in this thread, we do a refresh of history.
            {
                LogLine("Reading travel history".Tx(this, "RTH"));
                DoRefreshHistory(new RefreshWorkerArgs {
                    CurrentCommander = EDCommander.CurrentCmdrID
                });                                                                                             // kick the background refresh worker thread into action
            }

            if (PendingClose)
            {
                return;
            }

            if (!EDDOptions.Instance.NoSystemsLoad && EDDConfig.Instance.EDSMEDDBDownload)        // if enabled
            {
                SystemClassEDSM.DetermineIfFullEDSMSyncRequired(syncstate);                       // ask EDSM and EDDB if they want to do a Full sync..
                EliteDangerousCore.EDDB.SystemClassEDDB.DetermineIfEDDBSyncRequired(syncstate);

                if (syncstate.perform_eddb_sync || syncstate.perform_edsm_fullsync)
                {
                    string databases = (syncstate.perform_edsm_fullsync && syncstate.perform_eddb_sync) ? "EDSM and EDDB" : ((syncstate.perform_edsm_fullsync) ? "EDSM" : "EDDB");

                    LogLine(string.Format("Full synchronisation to the {0} databases required." + Environment.NewLine +
                                          "This will take a while, up to 15 minutes, please be patient." + Environment.NewLine +
                                          "Please continue running ED Discovery until refresh is complete.".Tx(this, "SyncEDSM"), databases));
                }
            }
            else
            {
                LogLine("Synchronisation to EDSM and EDDB disabled. Use Settings panel to reenable".Tx(this, "SyncOff"));
            }
        }
Exemplo n.º 6
0
        private void BackgroundWorkerThread()
        {
            // check first and download items

            StarScan.LoadBodyDesignationMap();

            Debug.WriteLine(BaseUtils.AppTicks.TickCountLap() + " Check systems");
            ReportSyncProgress("");

            bool checkGithub = EDDOptions.Instance.CheckGithubFiles;

            if (checkGithub)      // not normall in debug, due to git hub chokeing
            {
                // Async load of maps in another thread
                DownloadMaps(() => PendingClose);

                // and Expedition data
                DownloadExpeditions(() => PendingClose);

                // and Exploration data
                DownloadExploration(() => PendingClose);
            }

            if (!EDDOptions.Instance.NoSystemsLoad)
            {
                // New Galmap load - it was not doing a refresh if EDSM sync kept on happening. Now has its own timer

                DateTime galmaptime = SystemsDatabase.Instance.GetEDSMGalMapLast();                           // Latest time from RW file.

                if (DateTime.Now.Subtract(galmaptime).TotalDays > 14 || !galacticMapping.GalMapFilePresent()) // Over 14 days do a sync from EDSM for galmap
                {
                    LogLine("Get galactic mapping from EDSM.".T(EDTx.EDDiscoveryController_EDSM));
                    if (galacticMapping.DownloadFromEDSM())
                    {
                        SystemsDatabase.Instance.SetEDSMGalMapLast(DateTime.UtcNow);
                    }
                }

                Debug.WriteLine(BaseUtils.AppTicks.TickCountLap() + " Check systems complete");
            }

            galacticMapping.ParseData();                            // at this point, gal map data has been uploaded - get it into memory
            SystemCache.AddToAutoCompleteList(galacticMapping.GetGMONames());
            SystemNoteClass.GetAllSystemNotes();

            LogLine("Loaded Notes, Bookmarks and Galactic mapping.".T(EDTx.EDDiscoveryController_LN));

            if (EliteDangerousCore.EDDN.EDDNClass.CheckforEDMC()) // EDMC is running
            {
                if (EDCommander.Current.SyncToEddn)               // Both EDD and EDMC should not sync to EDDN.
                {
                    LogLineHighlight("EDDiscovery and EDMarketConnector should not both sync to EDDN. Stop EDMC or uncheck 'send to EDDN' in settings tab!".T(EDTx.EDDiscoveryController_EDMC));
                }
            }

            if (!EDDOptions.Instance.NoLoad)        // here in this thread, we do a refresh of history.
            {
                LogLine("Reading travel history".T(EDTx.EDDiscoveryController_RTH));

                if (EDDOptions.Instance.Commander != null)
                {
                    EDCommander switchto = EDCommander.GetCommander(EDDOptions.Instance.Commander);
                    if (switchto != null)
                    {
                        EDCommander.CurrentCmdrID = switchto.Nr;
                    }
                }

                DoRefreshHistory(new RefreshWorkerArgs {
                    CurrentCommander = EDCommander.CurrentCmdrID
                });                                                                                             // kick the background refresh worker thread into action
            }

            CheckForSync();     // see if any EDSM/EDDB sync is needed - this just sets some variables up

            System.Diagnostics.Debug.WriteLine("Background worker setting up refresh worker");

            backgroundRefreshWorker = new Thread(BackgroundHistoryRefreshWorkerThread)
            {
                Name = "Background Refresh Worker", IsBackground = true
            };
            backgroundRefreshWorker.Start();        // start the refresh worker, another thread which does subsequenct (not the primary one) refresh work in the background..

            try
            {
                if (!EDDOptions.Instance.NoSystemsLoad)
                {
                    SystemsDatabase.Instance.WithReadWrite(() => DoPerformSync());        // this is done after the initial history load..
                }

                SystemsDatabase.Instance.SetReadOnly();

                while (!PendingClose)
                {
                    int wh = WaitHandle.WaitAny(new WaitHandle[] { closeRequested, resyncRequestedEvent });

                    System.Diagnostics.Debug.WriteLine("Background worker kicked by " + wh);

                    if (PendingClose)
                    {
                        break;
                    }

                    if (wh == 1)
                    {
                        if (!EDDOptions.Instance.NoSystemsLoad && EDDConfig.Instance.EDSMEDDBDownload)      // if no system off, and EDSM download on
                        {
                            SystemsDatabase.Instance.WithReadWrite(() => DoPerformSync());
                        }
                    }
                }
            }
            catch (OperationCanceledException)
            {
            }

            backgroundRefreshWorker.Join();     // this should terminate due to closeRequested..

            System.Diagnostics.Debug.WriteLine("BW Refresh joined");

            // Now we have been ordered to close down, so go thru the process

            closeRequested.WaitOne();

            InvokeAsyncOnUiThread(() =>
            {
                System.Diagnostics.Debug.WriteLine("Final close");
                OnFinalClose?.Invoke();
            });
        }
Exemplo n.º 7
0
        private void BackgroundWorkerThread()
        {
            // check first and download items

            string desigmapfile = Path.Combine(EDDOptions.Instance.AppDataDirectory, "bodydesignations.csv");

            if (!File.Exists(desigmapfile))
            {
                desigmapfile = Path.Combine(Path.GetDirectoryName(System.Windows.Forms.Application.ExecutablePath), "bodydesignations.csv");
            }

            BodyDesignations.LoadBodyDesignationMap(desigmapfile);

            Debug.WriteLine(BaseUtils.AppTicks.TickCountLap() + " Check systems");
            ReportSyncProgress("");

            bool checkGithub = EDDOptions.Instance.CheckGithubFiles;

            if (checkGithub)      // not normal in debug, due to git hub choking
            {
                DateTime lastdownloadtime = UserDatabase.Instance.GetSettingDate("DownloadFilesLastTime", DateTime.MinValue);

                if (DateTime.UtcNow - lastdownloadtime >= new TimeSpan(24, 0, 0))       // only update once per day
                {
                    // Expedition data
                    DownloadExpeditions(() => PendingClose);

                    // and Exploration data
                    DownloadExploration(() => PendingClose);

                    // and Help files
                    DownloadHelp(() => PendingClose);

                    UserDatabase.Instance.PutSettingDate("DownloadFilesLastTime", DateTime.UtcNow);
                }
            }

            string gmofile = Path.Combine(EDDOptions.Instance.AppDataDirectory, "galacticmapping.json");

            if (!EDDOptions.Instance.NoSystemsLoad)
            {
                // New Galmap load - it was not doing a refresh if EDSM sync kept on happening. Now has its own timer

                DateTime galmaptime = SystemsDatabase.Instance.GetEDSMGalMapLast();            // Latest time from RW file.

                if (DateTime.Now.Subtract(galmaptime).TotalDays > 14 || !File.Exists(gmofile)) // Over 14 days do a sync from EDSM for galmap
                {
                    LogLine("Get galactic mapping from EDSM.".T(EDTx.EDDiscoveryController_EDSM));
                    if (galacticMapping.DownloadFromEDSM(gmofile))
                    {
                        SystemsDatabase.Instance.SetEDSMGalMapLast(DateTime.UtcNow);
                    }
                }

                Debug.WriteLine(BaseUtils.AppTicks.TickCountLap() + " Check systems complete");
            }

            if (File.Exists(gmofile))
            {
                galacticMapping.Parse(gmofile);                            // at this point, gal map data has been uploaded - get it into memory
            }
            SystemCache.AddToAutoCompleteList(galacticMapping.GetGMONames());
            SystemNoteClass.GetAllSystemNotes();

            LogLine("Loaded Notes, Bookmarks and Galactic mapping.".T(EDTx.EDDiscoveryController_LN));

            if (!EDDOptions.Instance.NoLoad)        // here in this thread, we do a refresh of history.
            {
                LogLine("Reading travel history".T(EDTx.EDDiscoveryController_RTH));

                if (EDDOptions.Instance.Commander != null)
                {
                    EDCommander switchto = EDCommander.GetCommander(EDDOptions.Instance.Commander);
                    if (switchto != null)
                    {
                        EDCommander.CurrentCmdrID = switchto.Id;
                    }
                }

                DoRefreshHistory(new RefreshWorkerArgs {
                    CurrentCommander = EDCommander.CurrentCmdrID
                });                                                                                             // kick the background refresh worker thread into action
            }

            CheckForSync();     // see if any EDSM sync is needed - this just sets some variables up

            System.Diagnostics.Debug.WriteLine("Background worker setting up refresh worker");

            backgroundRefreshWorker = new Thread(BackgroundHistoryRefreshWorkerThread)
            {
                Name = "Background Refresh Worker", IsBackground = true
            };
            backgroundRefreshWorker.Start();        // start the refresh worker, another thread which does subsequenct (not the primary one) refresh work in the background..

            try
            {
                if (!EDDOptions.Instance.NoSystemsLoad)
                {
                    SystemsDatabase.Instance.WithReadWrite(() => DoPerformSync());        // this is done after the initial history load..
                }

                SystemsDatabase.Instance.SetReadOnly();

                while (!PendingClose)
                {
                    int wh = WaitHandle.WaitAny(new WaitHandle[] { closeRequested, resyncRequestedEvent });

                    System.Diagnostics.Debug.WriteLine("Background worker kicked by " + wh);

                    if (PendingClose)
                    {
                        break;
                    }

                    if (wh == 1)
                    {
                        if (!EDDOptions.Instance.NoSystemsLoad && EDDConfig.Instance.EDSMDownload)      // if no system off, and EDSM download on
                        {
                            SystemsDatabase.Instance.WithReadWrite(() => DoPerformSync());
                        }
                    }
                }
            }
            catch (OperationCanceledException)
            {
            }

            backgroundRefreshWorker.Join();     // this should terminate due to closeRequested..

            System.Diagnostics.Debug.WriteLine("BW Refresh joined");

            // Now we have been ordered to close down, so go thru the process

            closeRequested.WaitOne();

            InvokeAsyncOnUiThread(() =>
            {
                System.Diagnostics.Debug.WriteLine("Final close");
                OnFinalClose?.Invoke();
            });
        }
// I think we rework so we have a SyncBackgroundworker, and a refresh background worker.
// loading of history is done on refresh one..


        private void BackgroundWorkerThread()
        {
            readyForInitialLoad.WaitOne();      // wait for shown in form

            // check first and download items

            StarScan.LoadBodyDesignationMap();

            Debug.WriteLine(BaseUtils.AppTicks.TickCountLap() + " Check systems");
            ReportSyncProgress("");

            bool checkGithub = EDDOptions.Instance.CheckGithubFiles;

            if (checkGithub)      // not normall in debug, due to git hub chokeing
            {
                // Async load of maps in another thread
                DownloadMaps(() => PendingClose);

                // and Expedition data
                DownloadExpeditions(() => PendingClose);

                // and Exploration data
                DownloadExploration(() => PendingClose);
            }

            if (!EDDOptions.Instance.NoSystemsLoad)
            {
                // New Galmap load - it was not doing a refresh if EDSM sync kept on happening. Now has its own timer

                DateTime galmaptime = SQLiteConnectionSystem.GetSettingDate("EDSMGalMapLast", DateTime.MinValue); // Latest time from RW file.

                if (DateTime.Now.Subtract(galmaptime).TotalDays > 14 || !galacticMapping.GalMapFilePresent())     // Over 14 days do a sync from EDSM for galmap
                {
                    LogLine("Get galactic mapping from EDSM.".Tx(this, "EDSM"));
                    if (galacticMapping.DownloadFromEDSM())
                    {
                        SQLiteConnectionSystem.PutSettingDate("EDSMGalMapLast", DateTime.UtcNow);
                    }
                }

                Debug.WriteLine(BaseUtils.AppTicks.TickCountLap() + " Check systems complete");
            }

            galacticMapping.ParseData();                            // at this point, gal map data has been uploaded - get it into memory
            SystemCache.AddToAutoCompleteList(galacticMapping.GetGMONames());
            SystemNoteClass.GetAllSystemNotes();

            LogLine("Loaded Notes, Bookmarks and Galactic mapping.".Tx(this, "LN"));

            if (PendingClose)
            {
                return;
            }

            if (EliteDangerousCore.EDDN.EDDNClass.CheckforEDMC()) // EDMC is running
            {
                if (EDCommander.Current.SyncToEddn)               // Both EDD and EDMC should not sync to EDDN.
                {
                    LogLineHighlight("EDDiscovery and EDMarketConnector should not both sync to EDDN. Stop EDMC or uncheck 'send to EDDN' in settings tab!".Tx(this, "EDMC"));
                }
            }

            if (!EDDOptions.Instance.NoLoad)        // here in this thread, we do a refresh of history.
            {
                LogLine("Reading travel history".Tx(this, "RTH"));
                DoRefreshHistory(new RefreshWorkerArgs {
                    CurrentCommander = EDCommander.CurrentCmdrID
                });                                                                                             // kick the background refresh worker thread into action
            }

            if (PendingClose)
            {
                return;
            }

            CheckForSync();     // see if any EDSM/EDDB sync is needed

            if (PendingClose)
            {
                return;
            }

            // Now stay in loop services stuff

            backgroundRefreshWorker = new Thread(BackgroundHistoryRefreshWorkerThread)
            {
                Name = "Background Refresh Worker", IsBackground = true
            };
            backgroundRefreshWorker.Start();        // start the refresh worker, another thread which does subsequenct (not the primary one) refresh work in the background..

            try
            {
                if (!EDDOptions.Instance.NoSystemsLoad && EDDConfig.Instance.EDSMEDDBDownload) // if no system off, and EDSM download on
                {
                    DoPerformSync();                                                           // this is done after the initial history load..
                }
                while (!PendingClose)
                {
                    int wh = WaitHandle.WaitAny(new WaitHandle[] { closeRequested, resyncRequestedEvent });

                    if (PendingClose)
                    {
                        break;
                    }

                    switch (wh)
                    {
                    case 0:      // Close Requested
                        break;

                    case 1:                                                                            // Resync Requested
                        if (!EDDOptions.Instance.NoSystemsLoad && EDDConfig.Instance.EDSMEDDBDownload) // if no system off, and EDSM download on
                        {
                            DoPerformSync();
                        }
                        break;
                    }
                }
            }
            catch (OperationCanceledException)
            {
            }

            backgroundRefreshWorker.Join();

            // Now we have been ordered to close down, so go thru the process

            closeRequested.WaitOne();

            OnBgSafeClose?.Invoke();
            ReadyForFinalClose = true;
            InvokeAsyncOnUiThread(() =>
            {
                OnFinalClose?.Invoke();
            });
        }