private byte SelectPresentationContext(ClientAssociationParameters association, StorageInstance fileToSend, out DicomMessage msg)
{
byte pcid;
if (PresentationContextSelectionDelegate != null)
{
// Note, this may do a conversion of the file according to codecs, need to catch a codec exception if it occurs
var dicomFile = fileToSend.LoadFile();
pcid = PresentationContextSelectionDelegate(association, dicomFile, out msg);
}
else
{
msg = null;
pcid = association.FindAbstractSyntaxWithTransferSyntax(fileToSend.SopClass,
fileToSend.TransferSyntax);
if (fileToSend.TransferSyntax.Encapsulated)
{
if (pcid == 0)
{
// We can compress/decompress the file. Check if remote device accepts it
if (DicomCodecRegistry.GetCodec(fileToSend.TransferSyntax) != null)
{
var dicomFile = fileToSend.LoadFile();
msg = new DicomMessage(dicomFile);
pcid = SelectUncompressedPresentationContext(association, msg);
}
}
}
else
{
if (pcid == 0)
{
var dicomFile = fileToSend.LoadFile();
msg = new DicomMessage(dicomFile);
pcid = SelectUncompressedPresentationContext(association, msg);
}
}
if (pcid != 0 && fileToSend.FileIsLoaded)
{
msg = new DicomMessage(fileToSend.LoadFile());
}
}
return(pcid);
}
/// <summary>
/// Generic routine to send the next C-STORE-RQ message in the <see cref="StorageInstanceList"/>.
/// </summary>
/// <param name="client">DICOM Client class</param>
/// <param name="association">Association Parameters</param>
private bool SendCStore(DicomClient client, ClientAssociationParameters association)
{
StorageInstance fileToSend = _storageInstanceList[_fileListIndex];
OnImageStoreStarted(fileToSend);
DicomFile dicomFile;
try
{
// Check to see if image does not exist or is corrupted
if (fileToSend.SendStatus == DicomStatuses.ProcessingFailure)
{
_failureSubOperations++;
_remainingSubOperations--;
OnImageStoreCompleted(fileToSend);
return(false);
}
dicomFile = fileToSend.LoadFile();
}
catch (DicomException e)
{
LogAdapter.Logger.Error(e, "Unexpected exception when loading DICOM file {0}", fileToSend.ToString());
fileToSend.ExtendedFailureDescription = e.GetType().Name + " " + e.Message;
_failureSubOperations++;
_remainingSubOperations--;
OnImageStoreCompleted(fileToSend);
return(false);
}
try
{
DicomMessage msg;
byte pcid = SelectPresentationContext(association, fileToSend, dicomFile, out msg);
if (pcid == 0)
{
fileToSend.SendStatus = DicomStatuses.SOPClassNotSupported;
fileToSend.ExtendedFailureDescription = string.Format(SR.ErrorSendSopClassNotSupported, msg.SopClass);
LogError(fileToSend, msg, DicomStatuses.SOPClassNotSupported);
_failureSubOperations++;
_remainingSubOperations--;
OnImageStoreCompleted(fileToSend);
return(false);
}
try
{
SendOnPresentationContext(client, association, pcid, fileToSend, msg);
}
catch (DicomCodecUnsupportedSopException e)
{
if (!msg.TransferSyntax.Encapsulated)
{
pcid = SelectUncompressedPresentationContext(association, msg);
if (pcid != 0)
{
SendOnPresentationContext(client, association, pcid, fileToSend, msg);
LogAdapter.Logger.Warn("Could not send SOP as compressed, sent as uncompressed: {0}, file: {1}", e.Message, fileToSend.SopInstanceUid);
return(true);
}
}
throw;
}
}
catch (DicomNetworkException)
{
throw; //This is a DicomException-derived class that we want to throw.
}
catch (DicomCodecException e)
{
LogAdapter.Logger.Error(e, "Unexpected exception when compressing or decompressing file before send {0}", fileToSend.ToString());
fileToSend.SendStatus = DicomStatuses.ProcessingFailure;
fileToSend.ExtendedFailureDescription = string.Format("Error decompressing or compressing file before send: {0}", e.Message);
_failureSubOperations++;
_remainingSubOperations--;
OnImageStoreCompleted(fileToSend);
return(false);
}
catch (DicomException e)
{
LogAdapter.Logger.Error(e, "Unexpected exception while sending file {0}", fileToSend.ToString());
fileToSend.SendStatus = DicomStatuses.ProcessingFailure;
fileToSend.ExtendedFailureDescription = string.Format("Unexpected exception while sending file: {0}", e.Message);
_failureSubOperations++;
_remainingSubOperations--;
OnImageStoreCompleted(fileToSend);
return(false);
}
return(true);
}