public SectionReceivedEventArgs(DvbStpHeader header, SegmentAssembler assembler)
: base(header)
{
ReceivedSections = assembler.ReceivedSections;
RemainingSections = assembler.RemainingSections;
ReceivedBytes = assembler.ReceivedBytes;
RemainingBytes = header.TotalSegmentSize - ReceivedBytes;
} // constructor
} // OnSegmentStarted
private void OnSectionReceived(DvbStpHeader header, SegmentAssembler assembler)
{
if (SectionReceived == null)
{
return;
}
var args = new PayloadStorage.SectionReceivedEventArgs(header, assembler);
SectionReceived(this, args);
} // OnSectionReceived
} // ProcessReceivedData
private void InitSectionData()
{
// initialize segment data storage
SegmentData = new SegmentAssembler(new DvbStpSegmentIdentity(Header), Header.LastSectionNumber);
// notify start of download
if (DownloadStarted != null)
{
OnDownloadStarted();
} // if
} // InitSectionData
} // OnSectionReceived
private void OnSegmentReceived(SegmentAssembler assembler)
{
if (SegmentReceived != null)
{
var args = new PayloadStorage.SegmentReceivedEventArgs(assembler);
SegmentReceived(this, args);
} // if
if (SegmentPayloadReceived != null)
{
var args = new PayloadStorage.SegmentPayloadReceivedEventArgs(assembler);
SegmentPayloadReceived(this, args);
} // if
} // OnSegmentReceived
} // constructor
public bool AddSection(DvbStpHeader header, byte[] data, bool isRawData)
{
SegmentAssembler assembler;
bool newSection;
if (!Versions.TryGetValue(header.SegmentVersion, out assembler))
{
assembler = new SegmentAssembler(new DvbStpSegmentIdentity(header), header.LastSectionNumber);
Versions[header.SegmentVersion] = assembler;
OnSegmentStarted(header);
} // if
if (SaveData)
{
if (isRawData)
{
newSection = assembler.AddSectionData(header.SectionNumber, data, header.PayloadOffset, header.PayloadSize);
}
else
{
newSection = assembler.AddSectionData(header.SectionNumber, data, 0, data.Length);
} // if-else
}
else
{
newSection = assembler.AddSectionData(header.SectionNumber, PayloadStorage.EmptyData, 0, 0);
} // if-else
if (newSection)
{
OnSectionReceived(header, assembler);
if (assembler.IsSegmentComplete)
{
OnSegmentReceived(assembler);
// discard data
assembler = null;
Versions.Remove(header.SegmentVersion);
} // if
} // if
return(newSection);
} // AddSection
} // InitSectionData
private void RestartSectionData()
{
// increment restart count
DowloadRestartCount++;
// avoid infinite restart loops
if (DowloadRestartCount > MaxDowloadRestartCount)
{
throw new TimeoutException();
} // if
// notify of download restart
if (DownloadRestarted != null)
{
OnDowloadRestarted();
}
// start over
SegmentData = new SegmentAssembler(new DvbStpSegmentIdentity(Header), Header.LastSectionNumber);
ResetNoDataTimeout();
} // RestartSectionData
public SegmentReceivedEventArgs(SegmentAssembler assembler)
{
SegmentIdentity = assembler.SegmentIdentity;
SectionCount = assembler.ReceivedSections;
} // constructor
public SegmentPayloadReceivedEventArgs(SegmentAssembler assembler)
: base(assembler)
{
Payload = assembler.GetPayload();
} // constructor
public SegmentDownloadCompletedEventArgs(SegmentAssembler segmentData)
{
SegmentData = segmentData;
} // constructor
} // StoreSectionData
private void Clean()
{
SegmentData = null;
} // Clean
