protected override bool OnReceiveFileStream(byte pcid, DicomAttributeCollection command, DicomAttributeCollection dataset, byte[] data, int offset, int count, bool isFirst, bool isLast)
{
try
{
if (isFirst)
{
_filestreamHandler = _handler.OnStartFilestream(this, _assoc as ServerAssociationParameters, pcid, new DicomMessage(command, dataset));
}
if (!_filestreamHandler.SaveStreamData(new DicomMessage(command, dataset), data, offset, count))
{
return(false);
}
if (isLast)
{
_filestreamHandler.CompleteStream(this, _assoc as ServerAssociationParameters, pcid,
new DicomMessage(command, dataset));
_filestreamHandler = null;
}
return(true);
}
catch (Exception e)
{
OnUserException(e, "Unexpected exception on OnReceiveFileStream");
return(false);
}
}
protected override bool OnReceiveFileStream(byte pcid, DicomDataset command, DicomDataset dataset, byte[] data, int offset, int count, bool encounteredStopTag, bool isFirst, bool isLast)
{
try
{
if (!encounteredStopTag)
{
// Buffer data until we get to the stop tag so all the attributes expected are filled in.
if (_bufferedFilestream == null)
{
_bufferedFilestream = new MemoryStream();
}
_bufferedFilestream.Write(data, offset, count);
return(true);
}
if (isFirst || _bufferedFilestream != null)
{
_filestreamHandler = _handler.OnStartFilestream(this, _assoc as ServerAssociationParameters, pcid, new DicomMessage(command, dataset));
}
if (_bufferedFilestream != null)
{
var a = _bufferedFilestream.ToArray();
_bufferedFilestream = null;
if (!_filestreamHandler.SaveStreamData(new DicomMessage(command, dataset), a, 0, a.Length))
{
return(false);
}
}
if (!_filestreamHandler.SaveStreamData(new DicomMessage(command, dataset), data, offset, count))
{
return(false);
}
if (isLast)
{
_filestreamHandler.CompleteStream(this, _assoc as ServerAssociationParameters, pcid,
new DicomMessage(command, dataset));
_filestreamHandler = null;
}
return(true);
}
catch (Exception e)
{
OnUserException(e, "Unexpected exception on OnReceiveFileStream");
return(false);
}
}