/// <summary>
/// Callback fired by the tvcontroller when EPG data has been received
/// The method checks if epg grabbing was in progress and ifso creates a new workerthread
/// to update the database with the new epg data
/// </summary>
public override int OnEpgReceived()
{
try
{
//is epg grabbing in progress?
/*if (_state == EpgState.Idle)
* {
* Log.Epg("Epg: card:{0} OnEpgReceived while idle", _user.CardId);
* return 0;
* }*/
//is epg grabber already updating the database?
if (_state == EpgState.Updating)
{
Log.Epg("Epg: card:{0} OnEpgReceived while updating", _user.CardId);
return(0);
}
//is the card still idle?
if (IsCardIdle(_user) == false)
{
Log.Epg("Epg: card:{0} OnEpgReceived but card is not idle", _user.CardId);
_state = EpgState.Idle;
_tvController.StopGrabbingEpg(_user);
_user.CardId = -1;
_currentTransponder.InUse = false;
return(0);
}
List <EpgChannel> epg = _tvController.Epg(_user.CardId) ?? new List <EpgChannel>();
//did we receive epg info?
if (epg.Count == 0)
{
//no epg found for this transponder
Log.Epg("Epg: card:{0} no epg found", _user.CardId);
_currentTransponder.InUse = false;
_currentTransponder.OnTimeOut();
_state = EpgState.Idle;
_tvController.StopGrabbingEpg(_user);
_tvController.PauseCard(_user);
_user.CardId = -1;
_currentTransponder.InUse = false;
return(0);
}
//create worker thread to update the database
Log.Epg("Epg: card:{0} received epg for {1} channels", _user.CardId, epg.Count);
_state = EpgState.Updating;
_epg = epg;
Thread workerThread = new Thread(UpdateDatabaseThread);
workerThread.IsBackground = true;
workerThread.Name = "EPG Update thread";
workerThread.Start();
}
catch (Exception ex)
{
Log.Write(ex);
}
return(0);
}