bool TryGetSegment(int index, int segmentNumber, ref Segment retrievedSegment, ref SegmentAvailabilities segAvailability)
{
if (store.HasSegment(index, segmentNumber))
{
SendDebugMessage("Broker] Segment " + index + "-" + segmentNumber.ToString() + " is available in store - retrieving");
bool foo = store.TryGetSegmentByNumber(index, segmentNumber, ref retrievedSegment); // shouldn't block, as it's in the store
segAvailability = SegmentAvailabilities.IsAvailable;
return(true);
}
// Is there a runner
if (Runner == null)
{
SendDebugMessage("Broker] require seek (runner stopped)");
segAvailability = SegmentAvailabilities.RequiresSeek; // require, in fact!
return(false);
}
// Store does not have segment. Is it coming soon?
int difference2 = (index - Runner.AwaitingFileIndex);
int difference = (segmentNumber - Runner.AwaitingSegmentNumber);
if (difference2 < 0 || (difference2 == 0 && difference < 0)) // requested segment is in past
{
SendDebugMessage("Broker] Seg " + index + "-" + segmentNumber.ToString() + " is in the past - require seek.");
segAvailability = SegmentAvailabilities.RequiresSeek;
return(false);
}
// if (difference >= NUMBER_OF_SEGMENTS_CONSIDERED_COMING_SOON)
if (Request.NewLiveTV && (difference2 >= NUMBER_OF_SEGMENTS_CONSIDERED_COMING_SOON_NEWLIVETV))
{
SendDebugMessage("Broker] Seg " + index + "-" + segmentNumber.ToString() + " is a huge " + difference2 + " indexfiles away from arrival - require seek.");
segAvailability = SegmentAvailabilities.RequiresSeek;
return(false);
}
else if ((!Request.LiveTV && !Request.NewLiveTV && (difference >= NUMBER_OF_SEGMENTS_CONSIDERED_COMING_SOON)) ||
(Request.LiveTV && Request.NewLiveTV && (difference >= NUMBER_OF_SEGMENTS_CONSIDERED_COMING_SOON_LIVETV)))
{
SendDebugMessage("Broker] Seg " + index + "-" + segmentNumber.ToString() + " is a huge " + difference + " segs away from arrival - require seek.");
segAvailability = SegmentAvailabilities.RequiresSeek;
return(false);
}
// WAIT FOR A SEGMENT **************************************************************
SendDebugMessage("Broker] Seg " + index + "-" + segmentNumber.ToString() + " is only " + difference2 + " indexfiles away from arrival - requesting from store, which will block...");
bool didGet = (store.TryGetSegmentByNumber(index, segmentNumber, ref retrievedSegment));
segAvailability = didGet ? SegmentAvailabilities.IsAvailable : SegmentAvailabilities.Cancelled;
//segAvailability = segmentNumber == 99999 ? SegmentAvailabilities.IsAvailable : segAvailability; //NewLiveTV hack, s.t. non available waitsscreen gets displayed
//return (didGet || segmentNumber==99999);//99999 is newlivtv hack
return(didGet);
}
bool TryGetSegment(int segmentNumber, ref Segment retrievedSegment, ref SegmentAvailabilities segAvailability)
{
if (store.HasSegment(segmentNumber))
{
SendDebugMessage("Broker] Segment " + segmentNumber.ToString() + " is available in store - retrieving");
bool foo = store.TryGetSegmentByNumber(segmentNumber, ref retrievedSegment); // shouldn't block, as it's in the store
segAvailability = SegmentAvailabilities.IsAvailable;
return(true);
}
// Is there a runner
if (Runner == null)
{
SendDebugMessage("Broker] require seek (runner stopped)");
segAvailability = SegmentAvailabilities.RequiresSeek; // require, in fact!
return(false);
}
// Store does not have segment. Is it coming soon?
int difference = (segmentNumber - Runner.AwaitingSegmentNumber);
if (difference < 0) // requested segment is in past
{
SendDebugMessage("Broker] Seg " + segmentNumber.ToString() + " is in the past - require seek.");
segAvailability = SegmentAvailabilities.RequiresSeek;
return(false);
}
if (difference >= NUMBER_OF_SEGMENTS_CONSIDERED_COMING_SOON)
{
SendDebugMessage("Broker] Seg " + segmentNumber.ToString() + " is a huge " + difference + " segs away from arrival - require seek.");
segAvailability = SegmentAvailabilities.RequiresSeek;
return(false);
}
// WAIT FOR A SEGMENT **************************************************************
SendDebugMessage("Broker] Seg " + segmentNumber.ToString() + " is only " + difference + " away from arrival - requesting from store, which will block...");
bool didGet = (store.TryGetSegmentByNumber(segmentNumber, ref retrievedSegment));
segAvailability = didGet ? SegmentAvailabilities.IsAvailable : SegmentAvailabilities.Cancelled;
return(didGet);
}