/// <summary>
/// Releases server resources for a session termination caused by either:
/// Close-Session or Cancel-Session
/// </summary>
async Task <HttpResponseMessage> ReleaseResources(HttpRequestMessage request, CancellationToken cancellationToken, bool deleteFile = false)
{
HttpStatusCode status_code = HttpStatusCode.OK;
HttpResponseMessage response = request.CreateResponse();
response.Headers.Add(Bits.K_BITS_PACKET_TYPE, Bits.V_ACK);
//response.Headers.Add(Bits.K_CONTENT_LENGTH, "0");
try
{
string session_id = request.Headers.GetValues(Bits.K_BITS_SESSION_ID)?.First();
if (string.IsNullOrEmpty(session_id))
{
throw new NotSupportedException();
}
_traceManager.TraceDebug($"Closing BITS-Session-Id: {session_id}");
if (Sessions.ContainsKey(session_id))
{
await Sessions[session_id].Close(deleteFile);
}
else
{
FileInfo fileInfo = new FileInfo(Path.Combine(BITSUploadSession.VideoBufferDirectory, session_id));
if (fileInfo.Exists)
{
fileInfo.Delete();
}
else
{
await _fileProvider.Delete(session_id, DirectoryEnum.Uploaded);
}
}
if (Sessions.ContainsKey(session_id) && Sessions[session_id].Move)
{
if (Sessions[session_id].IsTranscoding)
{
Progress <double> progress = new Progress <double>();
CancellationToken ct = CancellationToken.None;
var transcodeSession = new TaskProgressObservable <bool>
{
Task = TranscodeFileToFileProvider(Sessions[session_id], progress, ct),
Progress = progress,
CancellationToken = ct
};
TranscodingSessions.Add($"TRANSCODED_{Path.GetFileName(Sessions[session_id].FileName)}", transcodeSession);
}
else
{
await _fileProvider.Complete(Sessions[session_id].FileName);
}
}
if (Sessions.ContainsKey(session_id))
{
Sessions.Remove(session_id);
}
status_code = HttpStatusCode.OK;
}
catch (NotSupportedException)
{
return(SendResponse(response, HttpStatusCode.BadRequest));
}
catch (Exception e)
{
throw new Bits.ServerInternalError(e);
}
return(SendResponse(response, status_code));
}