private void WriteStreamPackageHeader(StreamSendRequest request, StreamPackageType streamPackageType)
{
uint header = (uint)streamPackageType | (uint)request.Stream.AssociationId << 3;
var buffer = BitConverterEx.GetNetworkBytes(header);
Write(buffer, 0, buffer.Length);
}
private void SendStreamEnd(StreamSendRequest request, bool success)
{
_sendStreamManager.RemoveStream(request.Stream);
long packageStart = BeginSendPackage();
WriteStreamPackageHeader(request, success ? StreamPackageType.EndStream : StreamPackageType.StreamFailed);
EndSendPackage(PackageType.Stream, packageStart, false);
RaiseEvent(request.Stream, StreamTransferEventType.End);
}
private void SendStreamEnd(StreamSendRequest request)
{
long packageStart = BeginSendPackage();
WriteStreamPackageHeader(request, StreamPackageType.EndStream);
EndSendPackage(PackageType.Stream, packageStart, false);
}
private void SendStreamData(StreamSendRequest request)
{
// Send the stream data package.
long packageStart = BeginSendPackage();
WriteStreamPackageHeader(request, StreamPackageType.StreamData);
// Write the stream data. If this fails, we send a stream
// failure instead.
try
{
WriteStream(request.Stream.Stream, request.Length);
RaiseEvent(request.Stream, StreamTransferEventType.Transfer);
}
catch (Exception ex)
{
// If the send stream failed, back up and send the stream
// failed package.
Log.Warn("Exception while reading from stream", ex);
WriteLength = WritePosition = packageStart;
SendStreamEnd(request, false);
return;
}
request.Stream.Position += request.Length;
// And send the package.
EndSendPackage(PackageType.Stream, packageStart, false);
}
private void SendStreamData(StreamSendRequest request)
{
// Send the stream data package.
long packageStart = BeginSendPackage();
WriteStreamPackageHeader(request, StreamPackageType.StreamData);
// Write the stream data.
WriteStream(request.Stream.Stream, request.Length);
// And send the package.
EndSendPackage(PackageType.Stream, packageStart, false);
}
