private void DoPerformSync() // in Background worker
{
InvokeAsyncOnUiThread.Invoke(() => OnSyncStarting?.Invoke()); // tell listeners sync is starting
resyncEDSMEDDBRequestedFlag = 1; // sync is happening, stop any async requests..
Debug.WriteLine(BaseUtils.AppTicks.TickCountLap() + " Perform EDSM/EDDB sync");
try
{
bool[] grids = new bool[GridId.MaxGridID];
foreach (int i in GridId.FromString(EDDConfig.Instance.EDSMGridIDs))
{
grids[i] = true;
}
syncstate.ClearCounters();
if (syncstate.perform_edsm_fullsync || syncstate.perform_eddb_edsmalias_sync)
{
if (syncstate.perform_edsm_fullsync && !PendingClose)
{
// Download new systems
try
{
string edsmsystems = Path.Combine(EliteConfigInstance.InstanceOptions.AppDataDirectory, "edsmsystems.json");
ReportSyncProgress("Performing full download of EDSM Database from server");
bool success = BaseUtils.DownloadFile.HTTPDownloadFile(EliteConfigInstance.InstanceConfig.EDSMFullSystemsURL, edsmsystems, false, out bool newfile);
syncstate.perform_edsm_fullsync = false;
if (success)
{
syncstate.edsm_fullsync_count = SQLiteConnectionSystem.UpgradeSystemTableFromFile(edsmsystems, grids, () => PendingClose, ReportSyncProgress);
if (syncstate.edsm_fullsync_count < 0) // this should always update something, the table is replaced. If its not, its been cancelled
{
return;
}
BaseUtils.FileHelpers.DeleteFileNoError(edsmsystems); // remove file - don't hold in storage
}
}
catch (Exception ex)
{
LogLineHighlight("GetAllEDSMSystems exception:" + ex.Message);
}
}
if (!PendingClose)
{
try
{
EDSMClass edsm = new EDSMClass();
string jsonhidden = edsm.GetHiddenSystems();
if (jsonhidden != null)
{
SystemsDB.ParseAliasString(jsonhidden);
string eddbsystems = Path.Combine(EliteConfigInstance.InstanceOptions.AppDataDirectory, "eddbsystems.json");
bool success = BaseUtils.DownloadFile.HTTPDownloadFile(EliteConfigInstance.InstanceConfig.EDDBSystemsURL, eddbsystems, false, out bool newfile);
syncstate.perform_eddb_edsmalias_sync = false;
if (success)
{
syncstate.eddb_sync_count = SystemsDB.ParseEDDBJSONFile(eddbsystems, () => PendingClose);
if (syncstate.eddb_sync_count < 0) // on a cancel or error
{
return;
}
SQLiteConnectionSystem.SetLastEDDBDownloadTime();
BaseUtils.FileHelpers.DeleteFileNoError(eddbsystems); // remove file - don't hold in storage
}
}
}
catch (Exception ex)
{
LogLineHighlight("GetEDDBUpdate exception: " + ex.Message);
}
}
}
if (!PendingClose)
{
syncstate.edsm_updatesync_count = UpdateSync(grids, () => PendingClose, ReportSyncProgress);
}
}
catch (OperationCanceledException)
{
// Swallow Operation Cancelled exceptions
}
catch (Exception ex)
{
LogLineHighlight("Check Systems exception: " + ex.Message + Environment.NewLine + "Trace: " + ex.StackTrace);
}
InvokeAsyncOnUiThread(() => PerformSyncCompletedonUI());
}