/// <summary>
/// Creates a new session.
/// </summary>
private void StartSession()
{
lock (_SyncLock) {
if (_Session == null)
{
if (!_Options.Enabled)
{
Status = PluginStrings.Disabled;
StatusDescription = null;
}
else if (String.IsNullOrEmpty(_Database.FileName))
{
Status = PluginStrings.EnabledNoDatabase;
StatusDescription = null;
}
else if (!Provider.FileExists(_Database.FileName))
{
Status = PluginStrings.EnabledNotUpdating;
StatusDescription = String.Format(PluginStrings.SomethingDoesNotExist, _Database.FileName);
}
else if (Provider.FileSize(_Database.FileName) == 0L)
{
Status = PluginStrings.EnabledNotUpdating;
StatusDescription = String.Format(PluginStrings.SomethingIsZeroLength, _Database.FileName);
}
else if (!_Options.AllowUpdateOfOtherDatabases && !DatabaseCreatedByPlugin())
{
Status = PluginStrings.EnabledNotUpdating;
StatusDescription = PluginStrings.UpdatingDatabasesNotCreatedByPluginForbidden;
}
else
{
Status = String.Format(PluginStrings.EnabledAndUpdatingSomething, _Database.FileName);
StatusDescription = null;
try {
_Database.WriteSupportEnabled = true;
var location = _Database.GetLocations().OrderBy(c => c.LocationID).FirstOrDefault();
_Session = new BaseStationSession()
{
LocationID = location == null ? 0 : location.LocationID,
StartTime = Provider.LocalNow,
};
_Database.InsertSession(_Session);
} catch (ThreadAbortException) {
} catch (Exception ex) {
Debug.WriteLine(String.Format("BaseStationDatabaseWriter.Plugin.StartSession caught exception {0}", ex.ToString()));
Status = PluginStrings.EnabledNotUpdating;
StatusDescription = String.Format(PluginStrings.ExceptionCaughtWhenStartingSession, ex.Message);
Factory.Singleton.Resolve <ILog>().Singleton.WriteLine("Database writer plugin caught exception on starting session: {0}", ex.ToString());
}
}
OnStatusChanged(EventArgs.Empty);
}
}
}
/// <summary>
/// Imports Session records.
/// </summary>
/// <param name="source"></param>
/// <param name="dest"></param>
private void ProcessSessions(IBaseStationDatabaseSQLite source, IBaseStationDatabase dest)
{
_SessionMap.Clear();
if (!ImportSessions)
{
WriteLog("Session import skipped");
}
else if (!ImportLocations)
{
WriteLog("Session import skipped because location import was skipped");
}
else
{
WriteLog("Importing Session records");
var allSource = source.GetSessions();
var allDest = dest.GetSessions();
foreach (var rec in allSource)
{
if (_LocationMap.TryGetValue(rec.LocationID, out var destLocationID))
{
var sourceID = rec.SessionID;
rec.LocationID = destLocationID;
var existing = allDest.FirstOrDefault(r => r.SessionID > 0 && r.StartTime == rec.StartTime);
if (existing == null)
{
rec.SessionID = 0;
dest.InsertSession(rec);
}
else
{
rec.SessionID = existing.SessionID;
dest.UpdateSession(rec);
}
_SessionMap.Add(sourceID, rec.SessionID);
}
}
WriteLog($" Imported {allSource.Count:N0} sessions");
}
}
/// <summary>
/// Creates a new session.
/// </summary>
private void StartSession()
{
var feedManager = Factory.Singleton.Resolve <IFeedManager>().Singleton;
lock (_SyncLock) {
if (_Session == null)
{
if (!_Options.Enabled)
{
Status = PluginStrings.Disabled;
StatusDescription = null;
}
else if (_Options.ReceiverId == 0)
{
Status = PluginStrings.EnabledNoReceiver;
}
else if (feedManager.GetByUniqueId(_Options.ReceiverId, ignoreInvisibleFeeds: false) == null)
{
Status = PluginStrings.EnabledBadReceiver;
}
else if (String.IsNullOrEmpty(_Database.FileName))
{
Status = PluginStrings.EnabledNoDatabase;
StatusDescription = null;
}
else if (!Provider.FileExists(_Database.FileName))
{
Status = PluginStrings.EnabledNotUpdating;
StatusDescription = String.Format(PluginStrings.SomethingDoesNotExist, _Database.FileName);
}
else if (Provider.FileSize(_Database.FileName) == 0L)
{
Status = PluginStrings.EnabledNotUpdating;
StatusDescription = String.Format(PluginStrings.SomethingIsZeroLength, _Database.FileName);
}
else if (!_Options.AllowUpdateOfOtherDatabases && !DatabaseCreatedByPlugin())
{
Status = PluginStrings.EnabledNotUpdating;
StatusDescription = PluginStrings.UpdatingDatabasesNotCreatedByPluginForbidden;
}
else
{
Status = String.Format(PluginStrings.EnabledAndUpdatingSomething, _Database.FileName);
StatusDescription = null;
try {
_Database.WriteSupportEnabled = true;
var location = _Database.GetLocations().OrderBy(c => c.LocationID).FirstOrDefault();
_Session = new BaseStationSession()
{
LocationID = location == null ? 0 : location.LocationID,
StartTime = Provider.LocalNow,
};
_Database.InsertSession(_Session);
_OnlineLookupCache.Enabled = _Session != null && _Options.SaveDownloadedAircraftDetails;
} catch (ThreadAbortException) {
} catch (Exception ex) {
AbandonSession(ex, PluginStrings.ExceptionCaughtWhenStartingSession);
Debug.WriteLine(String.Format("BaseStationDatabaseWriter.Plugin.StartSession caught exception {0}", ex.ToString()));
Factory.Singleton.Resolve <ILog>().Singleton.WriteLine("Database writer plugin caught exception on starting session: {0}", ex.ToString());
}
}
}
}
}
