/// <summary>
/// Grabs the epg for a card.
/// </summary>
/// <param name="epgCard">The epg card.</param>
private void GrabEpgOnCard(EpgCard epgCard)
{
CardType type = _tvController.Type(epgCard.Card.IdCard);
//skip analog and webstream cards
if (type == CardType.Analog || type == CardType.RadioWebStream)
{
return;
}
while (TransponderList.Instance.GetNextTransponder() != null)
{
//skip transponders which are in use
if (TransponderList.Instance.CurrentTransponder.InUse)
{
continue;
}
//check if card type is the same as the channel type of the transponder
if (type == CardType.Atsc && TransponderList.Instance.CurrentTransponder.TuningDetail.ChannelType != 1)
{
continue;
}
if (type == CardType.DvbC && TransponderList.Instance.CurrentTransponder.TuningDetail.ChannelType != 2)
{
continue;
}
if (type == CardType.DvbS && TransponderList.Instance.CurrentTransponder.TuningDetail.ChannelType != 3)
{
continue;
}
if (type == CardType.DvbT && TransponderList.Instance.CurrentTransponder.TuningDetail.ChannelType != 4)
{
continue;
}
if (type == CardType.DvbIP && TransponderList.Instance.CurrentTransponder.TuningDetail.ChannelType != 7)
{
continue;
}
//find next channel to grab
while (TransponderList.Instance.CurrentTransponder.GetNextChannel() != null)
{
//get the channel
Channel ch = TransponderList.Instance.CurrentTransponder.CurrentChannel;
//check if its time to grab the epg for this channel
TimeSpan ts = DateTime.Now - TransponderList.Instance.CurrentTransponder.CurrentChannel.LastGrabTime;
if (ts.TotalMinutes < _epgReGrabAfter)
{
//Log.Epg("Skip card:#{0} transponder #{1}/{2} channel: {3} - Less than regrab time",
// epgCard.Card.IdCard, TransponderList.Instance.CurrentIndex + 1, TransponderList.Instance.Count, ch.DisplayName);
continue; // less then 2 hrs ago
}
if (epgCard.Card.canTuneTvChannel(ch.IdChannel))
{
Log.Epg("Grab for card:#{0} transponder #{1}/{2} channel: {3}",
epgCard.Card.IdCard, TransponderList.Instance.CurrentIndex + 1, TransponderList.Instance.Count,
ch.DisplayName);
//start grabbing
epgCard.GrabEpg();
return;
}
}
}
}
/// <summary>
/// Starts the epg grabber with a specified timer interval
/// </summary>
public void Start(double timerInterval)
{
TvBusinessLayer layer = new TvBusinessLayer();
if (layer.GetSetting("idleEPGGrabberEnabled", "yes").Value != "yes")
{
Log.Epg("EPG: grabber disabled");
return;
}
if (_isRunning)
{
return;
}
Setting s = layer.GetSetting("timeoutEPGRefresh", "240");
if (Int32.TryParse(s.Value, out _epgReGrabAfter) == false)
{
_epgReGrabAfter = 240;
}
TransponderList.Instance.RefreshTransponders();
if (TransponderList.Instance.Count == 0)
{
return;
}
Log.Epg("EPG: EpgGrabber initialized for {0} transponders, timerInterval {1}s", TransponderList.Instance.Count, timerInterval / 1000);
_isRunning = true;
IList <Card> cards = Card.ListAll();
if (_epgCards != null)
{
foreach (EpgCard epgCard in _epgCards)
{
epgCard.Dispose();
}
}
_epgCards = new List <EpgCard>();
foreach (Card card in cards)
{
if (!card.Enabled || !card.GrabEPG)
{
continue;
}
try
{
RemoteControl.HostName = card.ReferencedServer().HostName;
if (!_tvController.CardPresent(card.IdCard))
{
continue;
}
}
catch (Exception e)
{
Log.Error("card: unable to start job for card {0} at:{0}", e.Message, card.Name,
card.ReferencedServer().HostName);
}
EpgCard epgCard = new EpgCard(_tvController, card);
_epgCards.Add(epgCard);
}
_epgCards.Sort(new EpgCardPriorityComparer());
_epgTimer.Interval = timerInterval;
_epgTimer.Enabled = true;
}
