private static void RemoveStopTicket(ITvCardHandler tvcard, ICardStopReservationTicket ticket, bool ticketFound)
{
if (ticketFound)
{
lock (tvcard.Tuner.CardReservationsLock)
{
Log.Debug("CardReservation.RemoveStopTicket: removed STOP reservation with id={0}", ticket.Id);
tvcard.Tuner.ReservationsForStop.Remove(ticket);
ResetCardStopStateToIdle(tvcard);
}
}
}
private static ICardStopReservationTicket RequestCardStopReservation(ITvCardHandler tvcard, IUser user)
{
ICardStopReservationTicket cardStopReservation = null;
CardTuneState cardTuneState;
bool hasMoreStopReservations;
lock (tvcard.Tuner.CardReservationsLock)
{
bool isCardIdle = (tvcard.Tuner.CardTuneState == CardTuneState.Idle);
bool isCardTuned = (tvcard.Tuner.CardTuneState == CardTuneState.Tuned);
bool isCardTunePending = (tvcard.Tuner.CardTuneState == CardTuneState.TunePending);
bool isCardTuneCancelled = (tvcard.Tuner.CardTuneState == CardTuneState.TuneCancelled);
bool isCardStopIdle = (tvcard.Tuner.CardStopState == CardStopState.Idle);
bool isCardStopped = (tvcard.Tuner.CardStopState == CardStopState.Stopped);
bool isCardAvail = (isCardIdle || isCardTuned || isCardTunePending || isCardTuneCancelled) && (isCardStopped || isCardStopIdle);
if (isCardAvail)
{
tvcard.Tuner.CardStopState = CardStopState.StopPending;
cardStopReservation = new CardStopReservationTicket();
tvcard.Tuner.ReservationsForStop.Add(cardStopReservation);
}
cardTuneState = tvcard.Tuner.CardTuneState;
hasMoreStopReservations = (tvcard.Tuner.ReservationsForStop.Count > 0);
}
if (cardStopReservation != null)
{
Log.Debug("CardTuner.RequestCardStopReservation: placed reservation with id={0}, user={1}", cardStopReservation.Id, user.Name);
}
else
{
if (hasMoreStopReservations)
{
Log.Debug(
"CardTuner.RequestCardStopReservation: failed reservation user={0}, cardstate={1}, res id blocking={2}",
user.Name, cardTuneState, "n/a");
}
else
{
Log.Debug(
"CardTuner.RequestCardStopReservation: failed reservation user={0}, cardstate={1}",
user.Name, cardTuneState);
}
}
return(cardStopReservation);
}
public static ICardStopReservationTicket RequestAndWaitForCardStopReservation(ITvCardHandler tvcard, IUser user)
{
ICardStopReservationTicket ticket = null;
int tries = 0;
while (ticket == null && tries < 10)
{
ticket = RequestCardStopReservation(tvcard, user);
Thread.Sleep(100);
tries++;
}
return(ticket);
}
public static bool Stop(ITvCardHandler tvcard, ref IUser user, ICardStopReservationTicket ticket)
{
bool isStopPending;
bool ticketFound;
bool result = false;
lock (tvcard.Tuner.CardReservationsLock)
{
isStopPending = (tvcard.Tuner.CardStopState == CardStopState.StopPending);
ticketFound = (tvcard.Tuner.ReservationsForStop.Contains(ticket));
if (isStopPending)
{
Log.Debug("CardTuner.Stop: ticket id={0}, found={1}", ticket.Id, ticketFound);
if (ticketFound)
{
tvcard.Tuner.CardStopState = CardStopState.Stopping;
}
else
{
Log.Debug("ticket not found!");
}
}
}
try
{
if (isStopPending && ticketFound)
{
Log.Info("Stop cardid={0}, ticket={1}, tunestate={2}, stopstate={3}", tvcard.DataBaseCard.IdCard, ticket.Id, tvcard.Tuner.CardTuneState, tvcard.Tuner.CardStopState);
result = tvcard.TimeShifter.Stop(ref user);
lock (tvcard.Tuner.CardReservationsLock)
{
if (result)
{
tvcard.Tuner.CardStopState = CardStopState.Stopped;
ResetCardTuneStateToIdle(tvcard);
}
else
{
if (tvcard.Tuner.ReservationsForStop.Count > 1)
{
tvcard.Tuner.CardStopState = CardStopState.StopPending;
}
else
{
tvcard.Tuner.CardStopState = CardStopState.StopFailed;
}
}
}
}
else // state is not tuning, some other card tune session is busy.
{
}
}
finally
{
RemoveStopTicket(tvcard, ticket, ticketFound);
}
return(result);
}
public static bool Stop(ITvCardHandler tvcard, ref IUser user, ICardStopReservationTicket ticket)
{
bool isStopPending;
bool ticketFound;
bool result = false;
lock (tvcard.Tuner.CardReservationsLock)
{
isStopPending = (tvcard.Tuner.CardStopState == CardStopState.StopPending);
ticketFound = (tvcard.Tuner.ReservationsForStop.Contains(ticket));
if (isStopPending)
{
Log.Debug("CardTuner.Stop: ticket id={0}, found={1}", ticket.Id, ticketFound);
if (ticketFound)
{
tvcard.Tuner.CardStopState = CardStopState.Stopping;
}
else
{
Log.Debug("ticket not found!");
}
}
}
try
{
if (isStopPending && ticketFound)
{
Log.Info("Stop cardid={0}, ticket={1}, tunestate={2}, stopstate={3}", tvcard.DataBaseCard.IdCard, ticket.Id, tvcard.Tuner.CardTuneState, tvcard.Tuner.CardStopState);
result = tvcard.TimeShifter.Stop(ref user);
lock (tvcard.Tuner.CardReservationsLock)
{
if (result)
{
tvcard.Tuner.CardStopState = CardStopState.Stopped;
ResetCardTuneStateToIdle(tvcard);
}
else
{
if (tvcard.Tuner.ReservationsForStop.Count > 1)
{
tvcard.Tuner.CardStopState = CardStopState.StopPending;
}
else
{
tvcard.Tuner.CardStopState = CardStopState.StopFailed;
}
}
}
}
else // state is not tuning, some other card tune session is busy.
{
}
}
finally
{
RemoveStopTicket(tvcard, ticket, ticketFound);
}
return result;
}
private static void RemoveStopTicket(ITvCardHandler tvcard, ICardStopReservationTicket ticket, bool ticketFound)
{
if (ticketFound)
{
lock (tvcard.Tuner.CardReservationsLock)
{
Log.Debug("CardReservation.RemoveStopTicket: removed STOP reservation with id={0}", ticket.Id);
tvcard.Tuner.ReservationsForStop.Remove(ticket);
ResetCardStopStateToIdle(tvcard);
}
}
}