public override bool HandleNCreateRequest(DicomMessage dicomMessage)
{
// Try to get the IOD Name
System.String iodName = DicomThread.GetIodNameFromDefinition(dicomMessage);
// Try to get the Patient Name
DvtkHighLevelInterface.Dicom.Other.Values attributeValues = dicomMessage["0x00100010"].Values;
System.String patientName = attributeValues[0];
System.String messsage = String.Format("Processed N-CREATE-RQ {0}: \"{1}\"", iodName, patientName);
WriteInformation(messsage);
DicomMessage responseMessage = new DicomMessage(DvtkData.Dimse.DimseCommand.NCREATERSP);
responseMessage.Set("0x00000900", VR.US, 0);
this.Send(responseMessage);
return(true);
}
/// <summary>
/// Overridden C-FIND-RQ message handler that makes use of the appropriate Information Model to handle the query.
/// </summary>
/// <param name="queryMessage">C-FIND-RQ Identifier (Dataset) containing query attributes.</param>
/// <returns>Boolean - true if dicomMessage handled here.</returns>
public override bool HandleCFindRequest(DicomMessage queryMessage)
{
// Validate the received message
//System.String iodName = DicomThread.GetIodNameFromDefinition(queryMessage);
//DicomThread.Validate(queryMessage, iodName);
// try to get the SOP Class Uid so that we know which Information Model to use.
DvtkHighLevelInterface.Dicom.Other.Values values = queryMessage.CommandSet["0x00000002"].Values;
System.String sopClassUid = values[0];
DvtkData.Dul.AbstractSyntax abstractSyntax = new DvtkData.Dul.AbstractSyntax(sopClassUid);
// check if we should use the Patient Root Information Model
if ((abstractSyntax.UID == DvtkData.Dul.AbstractSyntax.Patient_Root_Query_Retrieve_Information_Model_FIND.UID) &&
(PatientRootInformationModel != null))
{
// check if the information model should be refreshed before querying
if (RefreshInformationModelBeforeUse == true)
{
PatientRootInformationModel.RefreshInformationModel();
}
// perform query
DicomMessageCollection responseMessages = PatientRootInformationModel.QueryInformationModel(queryMessage);
// handle responses
foreach (DicomMessage responseMessage in responseMessages)
{
int waitedTime = 0;
// Check for cancel message from SCU
if (WaitForPendingDataInNetworkInputBuffer(100, ref waitedTime))
{
DicomMessage cancelRq = ReceiveDicomMessage();
if (cancelRq.CommandSet.DimseCommand == DvtkData.Dimse.DimseCommand.CCANCELRQ)
{
// set up the C-FIND-RSP with cancel status
DicomMessage respMessage = new DicomMessage(DvtkData.Dimse.DimseCommand.CFINDRSP);
respMessage.Set("0x00000900", DvtkData.Dimse.VR.US, 0xFE00);
// send the response
this.Send(respMessage);
break;
}
}
this.Send(responseMessage);
}
}
// check if we should use the Study Root Information Model
else if ((abstractSyntax.UID == DvtkData.Dul.AbstractSyntax.Study_Root_Query_Retrieve_Information_Model_FIND.UID) &&
(StudyRootInformationModel != null))
{
// check if the information model should be refreshed before querying
if (RefreshInformationModelBeforeUse == true)
{
StudyRootInformationModel.RefreshInformationModel();
}
// perform query
DicomMessageCollection responseMessages = StudyRootInformationModel.QueryInformationModel(queryMessage);
// handle responses
foreach (DicomMessage responseMessage in responseMessages)
{
int waitedTime = 0;
// Check for cancel message from SCU
if (WaitForPendingDataInNetworkInputBuffer(100, ref waitedTime))
{
DicomMessage cancelRq = ReceiveDicomMessage();
if (cancelRq.CommandSet.DimseCommand == DvtkData.Dimse.DimseCommand.CCANCELRQ)
{
// set up the C-FIND-RSP with cancel status
DicomMessage respMessage = new DicomMessage(DvtkData.Dimse.DimseCommand.CFINDRSP);
respMessage.Set("0x00000900", DvtkData.Dimse.VR.US, 0xFE00);
// send the response
this.Send(respMessage);
break;
}
}
this.Send(responseMessage);
}
}
// check if we should use the Patient Study Only Information Model
else if ((abstractSyntax.UID == DvtkData.Dul.AbstractSyntax.Patient_Study_Only_Query_Retrieve_Information_Model_FIND.UID) &&
(PatientStudyOnlyInformationModel != null))
{
// check if the information model should be refreshed before querying
if (RefreshInformationModelBeforeUse == true)
{
PatientStudyOnlyInformationModel.RefreshInformationModel();
}
// perform query
DicomMessageCollection responseMessages = PatientStudyOnlyInformationModel.QueryInformationModel(queryMessage);
// handle responses
foreach (DicomMessage responseMessage in responseMessages)
{
int waitedTime = 0;
// Check for cancel message from SCU
if (WaitForPendingDataInNetworkInputBuffer(100, ref waitedTime))
{
DicomMessage cancelRq = ReceiveDicomMessage();
if (cancelRq.CommandSet.DimseCommand == DvtkData.Dimse.DimseCommand.CCANCELRQ)
{
// set up the C-FIND-RSP with cancel status
DicomMessage respMessage = new DicomMessage(DvtkData.Dimse.DimseCommand.CFINDRSP);
respMessage.Set("0x00000900", DvtkData.Dimse.VR.US, 0xFE00);
// send the response
this.Send(respMessage);
break;
}
}
this.Send(responseMessage);
}
}
else
{
// should never get here - but send a final CFINDRSP anyway
DicomMessage responseMessage = new DicomMessage(DvtkData.Dimse.DimseCommand.CFINDRSP);
this.Send(responseMessage);
}
// message handled
return(true);
}
