protected virtual void OnSendDimseProgress(byte pcid, DcmCommand command, DcmDataset dataset, DcmDimseProgress progress)
{
}
protected virtual void OnReceiveDimseBegin(byte pcid, DcmCommand command, DcmDataset dataset, DcmDimseProgress progress)
{
}
public DcmDimseInfo()
{
Progress = new DcmDimseProgress();
IsNewDimse = true;
}
private bool SendDimseStream(byte pcid, DcmCommand command, Stream datastream)
{
try {
_disableTimeout = true;
DicomTransferSyntax ts = _assoc.GetAcceptedTransferSyntax(pcid);
DcmDimseProgress progress = new DcmDimseProgress();
progress.EstimatedCommandLength = (int)command.CalculateWriteLength(DicomTransferSyntax.ImplicitVRLittleEndian, DicomWriteOptions.Default | DicomWriteOptions.CalculateGroupLengths);
if (datastream != null)
progress.EstimatedDatasetLength = (int)datastream.Length - (int)datastream.Position;
PDataTFStream pdustream = new PDataTFStream(_network, pcid, (int)_assoc.MaximumPduLength);
pdustream.OnPduSent += delegate() {
progress.BytesTransfered = pdustream.BytesSent;
OnSendDimseProgress(pcid, command, null, progress);
};
lock (_socket) {
OnSendDimseBegin(pcid, command, null, progress);
DicomStreamWriter dsw = new DicomStreamWriter(pdustream);
dsw.Write(command, DicomWriteOptions.Default | DicomWriteOptions.CalculateGroupLengths);
dsw = null;
if (datastream != null) {
pdustream.IsCommand = false;
pdustream.Write(datastream);
}
// last pdu is automatically flushed when streaming
//pdustream.Flush(true);
OnSendDimse(pcid, command, null, progress);
}
return true;
}
catch (Exception e) {
#if DEBUG
Log.Error("{0} -> Error sending DIMSE: {1}", LogID, e.ToString());
#else
Log.Error("{0} -> Error sending DIMSE: {1}", LogID, e.Message);
#endif
OnNetworkError(e);
return false;
}
finally {
_disableTimeout = false;
}
}
private bool SendDimse(byte pcid, DcmCommand command, DcmDataset dataset)
{
try {
_disableTimeout = true;
DicomTransferSyntax ts = _assoc.GetAcceptedTransferSyntax(pcid);
if (dataset != null && ts != dataset.InternalTransferSyntax) {
if (ts.IsEncapsulated || dataset.InternalTransferSyntax.IsEncapsulated)
throw new DicomNetworkException("Unable to transcode encapsulated transfer syntax!");
dataset.ChangeTransferSyntax(ts, null);
}
DcmDimseProgress progress = new DcmDimseProgress();
progress.EstimatedCommandLength = (int)command.CalculateWriteLength(DicomTransferSyntax.ImplicitVRLittleEndian, DicomWriteOptions.Default | DicomWriteOptions.CalculateGroupLengths);
if (dataset != null)
progress.EstimatedDatasetLength = (int)dataset.CalculateWriteLength(ts, DicomWriteOptions.Default);
PDataTFStream pdustream = new PDataTFStream(_network, pcid, (int)_assoc.MaximumPduLength);
pdustream.OnPduSent += delegate() {
progress.BytesTransfered = pdustream.BytesSent;
OnSendDimseProgress(pcid, command, dataset, progress);
};
lock (_socket) {
OnSendDimseBegin(pcid, command, dataset, progress);
DicomStreamWriter dsw = new DicomStreamWriter(pdustream);
dsw.Write(command, DicomWriteOptions.Default | DicomWriteOptions.CalculateGroupLengths);
if (dataset != null) {
pdustream.IsCommand = false;
dsw.Write(dataset, DicomWriteOptions.Default);
}
// flush last pdu
pdustream.Flush(true);
OnSendDimse(pcid, command, dataset, progress);
}
return true;
}
catch (Exception e) {
#if DEBUG
Log.Error("{0} -> Error sending DIMSE: {1}", LogID, e.ToString());
#else
Log.Error("{0} -> Error sending DIMSE: {1}", LogID, e.Message);
#endif
OnNetworkError(e);
return false;
}
finally {
_disableTimeout = false;
}
}
protected override void OnReceiveDimse(byte pcid, DcmCommand command, DcmDataset dataset, DcmDimseProgress progress)
{
if (command.CommandField == DcmCommandField.CStoreRequest)
{
IsReceiveConnection = true;
SaveDimseToFile(dataset);
}
base.OnReceiveDimse(pcid, command, dataset, progress);
}