/// <summary>
/// Query the Information Model using the given query message.
/// </summary>
/// <param name="queryMessage">Message used to query the Information Model.</param>
/// <returns>DicomMessageCollection - containing the query responses. The final query response (without a dataset) is also included.</returns>
public DicomMessageCollection QueryInformationModel(DicomMessage queryMessage)
{
DicomMessageCollection responseMessages = new DicomMessageCollection();
DvtkHighLevelInterface.Dicom.Other.Values values = queryMessage.CommandSet["0x00000002"].Values;
System.String sopClassUid = values[0];
DataSet queryDataset = queryMessage.DataSet;
Dvtk.Dicom.InformationEntity.DataSetCollection queryResponses = _root.QueryInformationModel(queryDataset.DvtkDataDataSet);
DvtkData.Dimse.DicomMessage dvtkDicomMessage = null;
DvtkData.Dimse.CommandSet dvtkCommand = null;
DicomMessage responseMessage = null;
if (queryResponses != null)
{
foreach (DvtkData.Dimse.DataSet dvtkDataset in queryResponses)
{
dvtkDicomMessage = new DvtkData.Dimse.DicomMessage();
dvtkCommand = new DvtkData.Dimse.CommandSet(DvtkData.Dimse.DimseCommand.CFINDRSP);
dvtkCommand.AddAttribute(0x0000, 0x0002, DvtkData.Dimse.VR.UI, sopClassUid);
dvtkCommand.AddAttribute(0x0000, 0x0900, DvtkData.Dimse.VR.US, 0xFF00);
dvtkDicomMessage.Apply(dvtkCommand, dvtkDataset, queryMessage.EncodedPresentationContextID);
responseMessage = new DicomMessage(dvtkDicomMessage);
responseMessages.Add(responseMessage);
}
}
dvtkDicomMessage = new DvtkData.Dimse.DicomMessage();
dvtkCommand = new DvtkData.Dimse.CommandSet(DvtkData.Dimse.DimseCommand.CFINDRSP);
dvtkCommand.AddAttribute(0x0000, 0x0002, DvtkData.Dimse.VR.UI, sopClassUid);
dvtkCommand.AddAttribute(0x0000, 0x0900, DvtkData.Dimse.VR.US, 0x0000);
dvtkDicomMessage.Apply(dvtkCommand, queryMessage.EncodedPresentationContextID);
responseMessage = new DicomMessage(dvtkDicomMessage);
responseMessages.Add(responseMessage);
return(responseMessages);
}
/// <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)
{
// Query response messages
DicomMessageCollection responseMessages = new DicomMessageCollection();
DvtkHighLevelInterface.Dicom.Other.Values values = queryMessage.CommandSet["0x00000002"].Values;
System.String sopClassUid = values[0];
DicomMessage responseMessage = null;
foreach (DataSet randomDataset in randomizedDatasets)
{
responseMessage = new DicomMessage(DvtkData.Dimse.DimseCommand.CFINDRSP);
responseMessage.CommandSet.Set("0x00000002", DvtkData.Dimse.VR.UI, sopClassUid);
responseMessage.CommandSet.Set("0x00000900", DvtkData.Dimse.VR.US, 0xFF00);
responseMessage.DataSet.CloneFrom(randomDataset);
responseMessages.Add(responseMessage);
}
responseMessage = new DicomMessage(DvtkData.Dimse.DimseCommand.CFINDRSP);
responseMessage.CommandSet.Set("0x00000002", DvtkData.Dimse.VR.UI, sopClassUid);
responseMessage.CommandSet.Set("0x00000900", DvtkData.Dimse.VR.US, 0x0000);
responseMessages.Add(responseMessage);
// handle responses
foreach (DicomMessage rspMessage in responseMessages)
{
try
{
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(rspMessage);
}
catch (Exception)
{
string theErrorText = "DICOM Connection Error: RIS Emulator is failed to send the C-FIND-RSP.";
WriteError(theErrorText);
}
}
// message handled
return(true);
}
/// <summary>
/// Adds a single attribute with the tag sequence, VR and values specified.
/// </summary>
/// <remarks>
/// If an attribute already exists with this tag, it is removed first before it is again
/// added.
/// <br></br><br></br>
/// If sequence items (each with a sequence item index) are specified in the tag sequence,
/// empty sequence items will be added automatically to avoid gaps in the sequence items of sequence
/// attributes.
/// </remarks>
/// <param name="tagSequence">The tag sequence of the attribute.</param>
/// <param name="vR">The VR of the attribute.</param>
/// <param name="values">The values, which will be copied from another attribute, for this attribute.</param>
/// <exception cref="System.ArgumentException">
/// <paramref name="dvtkDataTag"/> is not valid for setting an attribute.<br></br>
/// -or-<br></br>
/// <paramref name="dvtkDataTag"/> is not valid for setting a CommandSet attribute.<br></br>
/// </exception>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="values"/> is a null reference.
/// </exception>
public override void Set(String tagSequence, VR vR, Values values)
{
TagSequence internalTagSequence = new TagSequence(tagSequence);
//
// Sanity checks.
//
if (!internalTagSequence.IsSingleAttributeMatching)
{
throw new ArgumentException(internalTagSequence.ToString() + " not valid for setting an attribute.");
}
// Check if the tag supplied is valid for a CommandSet.
if (!internalTagSequence.IsValidForCommandSet)
{
throw new ArgumentException(internalTagSequence.ToString() + " not valid for setting a CommandSet attribute.", "dvtkDataTag");
}
if (values == null)
{
throw new ArgumentNullException("values");
}
//
// Perform the actual operation in the base class.
//
Set(internalTagSequence, vR, values);
}
/// <summary>
/// Adds a single attribute with the tag, VR and values specified.
/// </summary>
/// <remarks>
/// If an attribute already exists with this tag, it is removed first before it is again
/// added.
/// </remarks>
/// <param name="dvtkDataTag">The tag of the attribute.</param>
/// <param name="vR">The VR of the attribute.</param>
/// <param name="values">The values, which will be copied from another attribute, for this attribute.</param>
/// <exception cref="System.ArgumentException">
/// <paramref name="dvtkDataTag"/> is not valid for setting a CommandSet attribute.<br></br>
/// </exception>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="values"/> is a null reference.
/// </exception>
public override void Set(DvtkData.Dimse.Tag dvtkDataTag, VR vR, Values values)
{
TagSequence internalTagSequence = new TagSequence();
internalTagSequence.Add(new Tag(dvtkDataTag.GroupNumber, dvtkDataTag.ElementNumber));
//
// Sanity checks.
//
// Check if the tag supplied is valid for a CommandSet.
if (!internalTagSequence.IsValidForCommandSet)
{
throw new ArgumentException(internalTagSequence.ToString() + " is not valid for setting a CommandSet attribute.", "dvtkDataTag");
}
if (values == null)
{
throw new ArgumentNullException("values");
}
//
// Perform the actual operation in the base class.
//
Set(internalTagSequence, vR, values);
}
public override bool HandleCMoveRequest(DicomMessage retrieveMessage)
{
// try to get the SOP Class Uid so that we know which Information Model to use.
DvtkHighLevelInterface.Dicom.Other.Values values = retrieveMessage.CommandSet["0x00000002"].Values;
System.String sopClassUid = values[0];
DvtkData.Dul.AbstractSyntax abstractSyntax = new DvtkData.Dul.AbstractSyntax(sopClassUid);
// try to get the Move Destination AE.
values = retrieveMessage.CommandSet["0x00000600"].Values;
string vr = retrieveMessage.CommandSet["0x00000600"].VR.ToString();
System.String moveDestinationAE = values[0];
string hexString = moveDestinationAE;
System.Text.StringBuilder sb = new System.Text.StringBuilder();
if (DicomThread.Options.LoadedDefinitionFileNames.Length < 10)
{
WriteWarning("Some of the definition files is not loaded properly.");
}
if (vr == "UN")
{
for (int i = 0; i <= hexString.Length - 2; i += 2)
{
sb.Append(Convert.ToString(Convert.ToChar(Int32.Parse(hexString.Substring(i, 2), System.Globalization.NumberStyles.HexNumber))));
}
}
else if (vr == "AE")
{
sb.Append(moveDestinationAE);
}
if (moveDestinationAE == null || moveDestinationAE == "")
{
DicomMessage responseMessage = new DicomMessage(DvtkData.Dimse.DimseCommand.CMOVERSP);
responseMessage.Set("0x00000900", VR.US, 0xA801);
responseMessage.Set("0x00000902", VR.LO, "Unknown Move Destination");
this.Send(responseMessage);
return(true);
}
MoveAEdetailsIndex = FindMoveAEDetails(sb.ToString());
if (IsHaveMoveDestinations && MoveAEdetailsIndex == -1)
{
DicomMessage responseMessage = new DicomMessage(DvtkData.Dimse.DimseCommand.CMOVERSP);
responseMessage.Set("0x00000900", VR.US, 0xA801);
responseMessage.Set("0x00000902", VR.LO, "Move Destination not registered in SCP");
this.Send(responseMessage);
WriteWarning("Move destination is not registered in SCP");
return(true);
}
DvtkData.Collections.StringCollection retrieveList = null;
// check if we should use the Patient Root Information Model
if ((abstractSyntax.UID == DvtkData.Dul.AbstractSyntax.Patient_Root_Query_Retrieve_Information_Model_MOVE.UID) &&
(PatientRootInformationModel != null))
{
// check if the information model should be refreshed before retrieving
if (RefreshInformationModelBeforeUse == true)
{
PatientRootInformationModel.RefreshInformationModel();
}
// perform retrieve
retrieveList = PatientRootInformationModel.RetrieveInformationModel(retrieveMessage);
}
// check if we should use the Study Root Information Model
else if ((abstractSyntax.UID == DvtkData.Dul.AbstractSyntax.Study_Root_Query_Retrieve_Information_Model_MOVE.UID) &&
(StudyRootInformationModel != null))
{
// check if the information model should be refreshed before retrieving
if (RefreshInformationModelBeforeUse == true)
{
StudyRootInformationModel.RefreshInformationModel();
}
// perform retrieve
retrieveList = StudyRootInformationModel.RetrieveInformationModel(retrieveMessage);
}
// 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_MOVE.UID) &&
(PatientStudyOnlyInformationModel != null))
{
// check if the information model should be refreshed before retrieving
if (RefreshInformationModelBeforeUse == true)
{
PatientStudyOnlyInformationModel.RefreshInformationModel();
}
// perform retrieve
retrieveList = PatientStudyOnlyInformationModel.RetrieveInformationModel(retrieveMessage);
}
// process the retrieve list
return(ProcessRetrieveList(moveDestinationAE, retrieveList));
}
/// <summary>
/// Compares this instance with another Values instance.
/// </summary>
/// <remarks>
/// Two Values instances are considered equal when:<br></br>
/// - Both contain the same number of values.<br></br>
/// - The String representations of the individual values are the same.<br></br><br></br>
///
/// When spaces are non-significant according to part 5,
/// they are left out, when comparing, like specified below.<br></br><br></br>
///
/// When the attribute, a Values instance belongs to, has VR AE, CS, DS, IS, LO or SH,
/// all leading and trailing spaces are removed before comparing.<br></br><br></br>
///
/// When the attribute, a Values instance belongs to, has VR LT, PN, ST, TM or UT,
/// all trailing spaces are removed before comparing.<br></br><br></br>
///
/// When the attribute, a Values instance belongs to, has VR DA or DT,
/// all trailing spaces are removed before comparing although
/// nothing is mentioned in part 5 about non-significant spaces. This is
/// because trailing spaces may be present in queries with range matching.<br></br><br></br>
/// </remarks>
/// <param name="values">The Values instance to compare with.</param>
/// <returns>Boolean indicating if they are equal.</returns>
public bool Equals(Values values)
{
bool equals = true;
ValidAttribute validAttribute1 = Attribute as ValidAttribute;
ValidAttribute validAttribute2 = values.Attribute as ValidAttribute;
if ((validAttribute1 != null) &&
(validAttribute2 != null) &&
((attribute.VR == VR.OB) || (attribute.VR == VR.OF) || (attribute.VR == VR.OW)) &&
((values.Attribute.VR == VR.OB) || (values.Attribute.VR == VR.OF) || (values.Attribute.VR == VR.OW)))
{
equals = Dvtk.DvtkDataHelper.ComparePixelAttributes(validAttribute1.DvtkDataAttribute, validAttribute2.DvtkDataAttribute);
}
else
{
if (Count != values.Count)
{
equals = false;
}
else
{
for (int index = 0; index < Count; index++)
{
if (this[index] != values[index])
{
equals = false;
break;
}
}
}
}
return (equals);
}
/// <summary>
/// Adds values to the end of this instance.
/// </summary>
/// <param name="values">Values to add.</param>
///
public void Add(Values values)
{
Insert(this.Count, values);
}
/// <summary>
/// Inserts another Values instance in this instance at a specified position.
/// </summary>
/// <param name="zeroBasedIndex">The zero based index to insert.</param>
/// <param name="values">The Values instance to insert.</param>
public void Insert(int zeroBasedIndex, Values values)
{
if ((attribute.VR == VR.OB) || (attribute.VR == VR.OF) || (attribute.VR == VR.OW))
{
ValidAttribute thisAttribute = this.attribute as ValidAttribute;
ValidAttribute attributeToCopyFrom = values.Attribute as ValidAttribute;
if ((thisAttribute != null) && (attributeToCopyFrom != null))
{
// It is safe to use the same other...String object because it is never
// changed through the HLI.
thisAttribute.DvtkDataAttribute.DicomValue = attributeToCopyFrom.DvtkDataAttribute.DicomValue;
thisAttribute.DvtkDataAttribute.Length = attributeToCopyFrom.DvtkDataAttribute.Length;
}
}
else
{
String[] valuesAsStringArray = new String[values.Count];
for (int index = 0; index < values.Count; index++)
{
valuesAsStringArray[index] = values[index];
}
Insert(zeroBasedIndex, valuesAsStringArray);
}
}
/// <summary>
/// Adds a single attribute with the tag sequence, VR and values specified.
/// </summary>
/// <remarks>
/// If an attribute already exists with this tag, it is removed first before it is again
/// added.
/// <br></br>
/// If sequence items (each with a sequence item index) are specified in the tag sequence,
/// empty sequence items will be added automatically to avoid gaps in the sequence items of sequence
/// attributes.
/// </remarks>
/// <param name="tagSequence">The tag sequence of the attribute.</param>
/// <param name="vR">The VR of the attribute.</param>
/// <param name="values">The values, which will be copied from another attribute, for this attribute.</param>
/// <exception cref="System.ArgumentException">
/// <paramref name="dvtkDataTag"/> is not valid for setting an attribute.<br></br>
/// -or-<br></br>
/// <paramref name="dvtkDataTag"/> is not valid for setting a FileMetaInformation attribute.<br></br>
/// </exception>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="values"/> is a null reference.
/// </exception>
public override void Set(String tagSequence, VR vR, Values values)
{
TagSequence internalTagSequence = new TagSequence(tagSequence);
//
// Sanity checks.
//
if (!internalTagSequence.IsSingleAttributeMatching)
{
throw new ArgumentException(internalTagSequence.ToString() + " not valid for setting an attribute.");
}
// Check if the tag supplied is valid for a FileMetaInformation.
if (!internalTagSequence.IsValidForFileMetaInformation)
{
throw new ArgumentException(internalTagSequence.ToString() + " not valid for setting a FileMetaInformation attribute.", "dvtkDataTag");
}
if (values == null)
{
throw new ArgumentNullException("values");
}
//
// Perform the actual operation.
//
Set(internalTagSequence, vR, values);
if ((internalTagSequence.ToString() == "0x00020010") && (values.Count == 1))
{
this.dvtkDataFileHead.TransferSyntax = new DvtkData.Dul.TransferSyntax(values[0]);
}
}
