public IEnumerable <DicomCGetResponse> OnCGetRequest(DicomCGetRequest request)
{
IDicomImageFinderService finderService = QRServer.CreateFinderService;
List <string> matchingFiles = null;
switch (request.Level)
{
case DicomQueryRetrieveLevel.Patient:
matchingFiles = finderService.FindFilesByUID(request.Dataset.Get <string>(DicomTag.PatientID), string.Empty, string.Empty);
break;
case DicomQueryRetrieveLevel.Study:
matchingFiles = finderService.FindFilesByUID(string.Empty, request.Dataset.Get <string>(DicomTag.StudyInstanceUID), string.Empty);
break;
case DicomQueryRetrieveLevel.Series:
matchingFiles = finderService.FindFilesByUID(string.Empty, string.Empty, request.Dataset.Get <string>(DicomTag.SeriesInstanceUID));
break;
case DicomQueryRetrieveLevel.Image:
yield return(new DicomCGetResponse(request, DicomStatus.QueryRetrieveUnableToPerformSuboperations));
yield break;
}
foreach (var matchingFile in matchingFiles)
{
var storeRequest = new DicomCStoreRequest(matchingFile);
SendRequest(storeRequest);
}
yield return(new DicomCGetResponse(request, DicomStatus.Success));
}
public IEnumerable <DicomCMoveResponse> OnCMoveRequest(DicomCMoveRequest request)
{
// the c-move request contains the DestinationAE. the data of this AE should be configured somewhere.
if (request.DestinationAE != "STORESCP")
{
yield return(new DicomCMoveResponse(request, DicomStatus.QueryRetrieveMoveDestinationUnknown));
yield return(new DicomCMoveResponse(request, DicomStatus.ProcessingFailure));
yield break;
}
// this data should come from some data storage!
var destinationPort = 11112;
var destinationIP = "localhost";
IDicomImageFinderService finderService = QRServer.CreateFinderService;
List <string> matchingFiles = null;
switch (request.Level)
{
case DicomQueryRetrieveLevel.Patient:
matchingFiles = finderService.FindFilesByUID(request.Dataset.Get <string>(DicomTag.PatientID), string.Empty, string.Empty);
break;
case DicomQueryRetrieveLevel.Study:
matchingFiles = finderService.FindFilesByUID(string.Empty, request.Dataset.Get <string>(DicomTag.StudyInstanceUID), string.Empty);
break;
case DicomQueryRetrieveLevel.Series:
matchingFiles = finderService.FindFilesByUID(string.Empty, string.Empty, request.Dataset.Get <string>(DicomTag.SeriesInstanceUID));
break;
case DicomQueryRetrieveLevel.Image:
yield return(new DicomCMoveResponse(request, DicomStatus.QueryRetrieveUnableToPerformSuboperations));
yield break;
}
DicomClient client = new DicomClient();
client.NegotiateAsyncOps();
int storeTotal = matchingFiles.Count;
int storeDone = 0; // this variable stores the number of instances that have already been sent
int storeFailure = 0; // this variable stores the number of faulues returned in a OnResponseReceived
foreach (string file in matchingFiles)
{
var storeRequest = new DicomCStoreRequest(file);
// !!! there is a Bug in fo-dicom 3.0.2 that the OnResponseReceived handlers are invoked not until the DicomClient has already
// sent all the instances. So the counters are not increased image by image sent but only once in a bulk after all storage
// has been finished. This bug will be fixed hopefully soon.
storeRequest.OnResponseReceived += (req, resp) =>
{
if (resp.Status == DicomStatus.Success)
{
Logger.Info("Storage of image successfull");
storeDone++;
}
else
{
Logger.Error("Storage of image failed");
storeFailure++;
}
// SendResponse(new DicomCMoveResponse(request, DicomStatus.Pending) { Remaining = storeTotal - storeDone - storeFailure, Completed = storeDone });
};
client.AddRequest(storeRequest);
}
// client.Send(destinationIP, destinationPort, false, QRServer.AETitle, request.DestinationAE);
var sendTask = client.SendAsync(destinationIP, destinationPort, false, QRServer.AETitle, request.DestinationAE);
while (!sendTask.IsCompleted)
{
// while the send-task is runnin we inform the QR SCU every 2 seconds about the status and how many instances are remaining to send.
yield return(new DicomCMoveResponse(request, DicomStatus.Pending)
{
Remaining = storeTotal - storeDone - storeFailure, Completed = storeDone
});
Thread.Sleep(TimeSpan.FromSeconds(2));
}
Logger.Info("..fertig");
yield return(new DicomCMoveResponse(request, DicomStatus.Success));
}
/// <summary>
/// Testing purposes constructor if you want to inject a custom IDicomImageFinderService
/// in unit tests
/// </summary>
/// <param name="dicomImageFinderService"></param>
public WadoUriController(IDicomImageFinderService dicomImageFinderService)
{
_dicomImageFinderService = dicomImageFinderService;
}
public IEnumerable <DicomCFindResponse> OnCFindRequest(DicomCFindRequest request)
{
var queryLevel = request.Level;
var matchingFiles = new List <string>();
IDicomImageFinderService finderService = QRServer.CreateFinderService;
// a QR SCP has to define in a DICOM Conformance Statement for which dicom tags it can query
// depending on the level of the query. Below there are only very few parameters evaluated.
switch (queryLevel)
{
case DicomQueryRetrieveLevel.Patient:
{
var patname = request.Dataset.Get(DicomTag.PatientName, string.Empty);
var patid = request.Dataset.Get(DicomTag.PatientID, string.Empty);
matchingFiles = finderService.FindPatientFiles(patname, patid);
}
break;
case DicomQueryRetrieveLevel.Study:
{
var patname = request.Dataset.Get(DicomTag.PatientName, string.Empty);
var patid = request.Dataset.Get(DicomTag.PatientID, string.Empty);
var accNr = request.Dataset.Get(DicomTag.AccessionNumber, string.Empty);
var studyUID = request.Dataset.Get(DicomTag.StudyInstanceUID, string.Empty);
matchingFiles = finderService.FindStudyFiles(patname, patid, accNr, studyUID);
}
break;
case DicomQueryRetrieveLevel.Series:
{
var patname = request.Dataset.Get(DicomTag.PatientName, string.Empty);
var patid = request.Dataset.Get(DicomTag.PatientID, string.Empty);
var accNr = request.Dataset.Get(DicomTag.AccessionNumber, string.Empty);
var studyUID = request.Dataset.Get(DicomTag.StudyInstanceUID, string.Empty);
var seriesUID = request.Dataset.Get(DicomTag.SeriesInstanceUID, string.Empty);
var modality = request.Dataset.Get(DicomTag.Modality, string.Empty);
matchingFiles = finderService.FindSeriesFiles(patname, patid, accNr, studyUID, seriesUID, modality);
}
break;
case DicomQueryRetrieveLevel.Image:
yield return(new DicomCFindResponse(request, DicomStatus.QueryRetrieveUnableToProcess));
yield break;
}
// now read the required dicomtags from the matching files and return as results
foreach (var matchingFile in matchingFiles)
{
var dicomFile = DicomFile.Open(matchingFile);
var result = new DicomDataset();
foreach (var requestedTag in request.Dataset)
{
// most of the requested DICOM tags are stored in the DICOM files and therefore saved into a database.
// you can fill the responses by selecting the values from the database.
// also be aware that there are some requested DicomTags like "ModalitiesInStudy" or "NumberOfStudyRelatedInstances"
// or "NumberOfPatientRelatedInstances" and so on which have to be calculated and cannot be read from a DICOM file.
if (dicomFile.Dataset.Contains(requestedTag.Tag))
{
dicomFile.Dataset.CopyTo(result, requestedTag.Tag);
}
// else if (requestedTag == DicomTag.NumberOfStudyRelatedInstances)
// {
// ... somehow calculate how many instances are stored within the study
// result.Add(DicomTag.NumberOfStudyRelatedInstances, number);
// } ....
else
{
result.Add(requestedTag);
}
}
yield return(new DicomCFindResponse(request, DicomStatus.Pending)
{
Dataset = result
});
}
yield return(new DicomCFindResponse(request, DicomStatus.Success));
}
/// <summary>
/// Initialize a new instance of WadoUriController
/// </summary>
public WadoUriController()
{
//Put your own IDicomImageFinderService implementation here for real world scenarios
_dicomImageFinderService = new TestDicomImageFinderService();
}
public IEnumerable <DicomCFindResponse> OnCFindRequest(DicomCFindRequest request)
{
var queryLevel = request.Level;
DataTable resultsDt = null;
IDicomImageFinderService finderService = QRServer.CreateFinderService;
// a QR SCP has to define in a DICOM Conformance Statement for which dicom tags it can query
// depending on the level of the query. Below there are only very few parameters evaluated.
switch (queryLevel)
{
case DicomQueryRetrieveLevel.Patient:
{
var patname = request.Dataset.GetSingleValueOrDefault(DicomTag.PatientName, string.Empty);
var patid = request.Dataset.GetSingleValueOrDefault(DicomTag.PatientID, string.Empty);
resultsDt = finderService.FindPatientFiles(patname, patid);
}
break;
case DicomQueryRetrieveLevel.Study:
{
var patname = request.Dataset.GetSingleValueOrDefault(DicomTag.PatientName, string.Empty);
var patid = request.Dataset.GetSingleValueOrDefault(DicomTag.PatientID, string.Empty);
var accNr = request.Dataset.GetSingleValueOrDefault(DicomTag.AccessionNumber, string.Empty);
var studyUID = request.Dataset.GetSingleValueOrDefault(DicomTag.StudyInstanceUID, string.Empty);
var StudyDate = request.Dataset.GetSingleValueOrDefault(DicomTag.StudyDate, string.Empty);
var StudyTime = request.Dataset.GetSingleValueOrDefault(DicomTag.StudyTime, string.Empty);
resultsDt = finderService.FindStudyFiles(patname, patid, accNr, studyUID, StudyDate, StudyTime);
}
break;
case DicomQueryRetrieveLevel.Series:
{
var patname = request.Dataset.GetSingleValueOrDefault(DicomTag.PatientName, string.Empty);
var patid = request.Dataset.GetSingleValueOrDefault(DicomTag.PatientID, string.Empty);
var accNr = request.Dataset.GetSingleValueOrDefault(DicomTag.AccessionNumber, string.Empty);
var studyUID = request.Dataset.GetSingleValueOrDefault(DicomTag.StudyInstanceUID, string.Empty);
var seriesUID = request.Dataset.GetSingleValueOrDefault(DicomTag.SeriesInstanceUID, string.Empty);
var modality = request.Dataset.GetSingleValueOrDefault(DicomTag.Modality, string.Empty);
resultsDt = finderService.FindSeriesFiles(patname, patid, accNr, studyUID, seriesUID, modality);
}
break;
case DicomQueryRetrieveLevel.Image:
yield return(new DicomCFindResponse(request, DicomStatus.QueryRetrieveUnableToProcess));
yield break;
}
bool _autoValidateDICOM = Config.GetConfigBoolValueByName(Config.Key_Enable_DICOM_AutoValidate);
var columns = new List <string>();
foreach (DataColumn column in resultsDt.Columns)
{
columns.Add(column.ColumnName);
}
// now read the required dicomtags from the matching files and return as results
foreach (DataRow row in resultsDt.Rows)
{
var rtnResult = new DicomDataset();
rtnResult.AutoValidate = _autoValidateDICOM; //Not sure if we need this so se up as config value
//rtnResult.Clear(); //Could clear existing rather than create new.
foreach (var requestedTag in request.Dataset)
{
// most of the requested DICOM tags are stored in the DICOM files and therefore saved into a database.
// you can fill the responses by selecting the values from the database.
// also be aware that there are some requested DicomTags like "ModalitiesInStudy" or "NumberOfStudyRelatedInstances"
// or "NumberOfPatientRelatedInstances" and so on which have to be calculated and cannot be read from a DICOM file.
string columnName = requestedTag.Tag.DictionaryEntry.Keyword.ToString();
if (columns.Contains(columnName))
{
rtnResult.Add(requestedTag.Tag, row[columnName].ToString());
}
else
{
rtnResult.Add(requestedTag);
}
}
yield return(new DicomCFindResponse(request, DicomStatus.Pending)
{
Dataset = rtnResult
});
}
resultsDt.Dispose();
yield return(new DicomCFindResponse(request, DicomStatus.Success));
}
public IEnumerable <DicomCMoveResponse> OnCMoveRequest(DicomCMoveRequest request)
{
// The c-move request contains the DestinationAE. The data of this AE should be configured somewhere.
if (request.DestinationAE != "")
{
yield return(new DicomCMoveResponse(request, DicomStatus.QueryRetrieveMoveDestinationUnknown));
yield return(new DicomCMoveResponse(request, DicomStatus.ProcessingFailure));
yield break;
}
// This data should come from some data storage.
var destinationPort = 11112;
var destinationIP = "localhost";
IDicomImageFinderService finderService = ServiceLocator.DicomImageFinderService;
List <string> matchingFiles = new List <string>();
switch (request.Level)
{
case DicomQueryRetrieveLevel.Patient:
string patientId = request.Dataset.GetSingleValue <string>(DicomTag.PatientID);
matchingFiles = finderService.FindFilesByPatient(patientId);
break;
case DicomQueryRetrieveLevel.Study:
string studyUID = request.Dataset.GetSingleValue <string>(DicomTag.StudyInstanceUID);
matchingFiles = finderService.FindFilesByStudyUID(studyUID);
break;
case DicomQueryRetrieveLevel.Series:
string seriesUID = request.Dataset.GetSingleValue <string>(DicomTag.SeriesInstanceUID);
matchingFiles = finderService.FindFilesBySeriesUID(seriesUID);
break;
case DicomQueryRetrieveLevel.Image:
yield return(new DicomCMoveResponse(request, DicomStatus.QueryRetrieveUnableToPerformSuboperations));
yield break;
}
// Send to c-store.
DicomClient client = new DicomClient();
client.NegotiateAsyncOps();
int storeTotal = matchingFiles.Count;
int storeDone = 0;
int storeFailure = 0;
foreach (var file in matchingFiles)
{
var storeRequest = new DicomCStoreRequest(file);
storeRequest.OnResponseReceived += (req, resp) =>
{
if (resp.Status == DicomStatus.Success)
{
storeDone++;
}
else
{
storeFailure++;
}
SendResponseAsync(new DicomCMoveResponse(request, DicomStatus.Pending)
{
Remaining = storeTotal - storeDone - storeFailure, Completed = storeDone
}).Wait();
};
client.AddRequest(storeRequest);
}
var sendTask = client.SendAsync(destinationIP, destinationPort, false, CalledAE, request.DestinationAE);
sendTask.Wait();
yield return(new DicomCMoveResponse(request, DicomStatus.Success));
}
/// <summary>
/// Testing purposes constructor if you want to inject a custom IDicomImageFinderService
/// in unit tests
/// </summary>
/// <param name="dicomImageFinderService"></param>
public WadoUriController(IDicomImageFinderService dicomImageFinderService)
{
_dicomImageFinderService = dicomImageFinderService;
}
/// <summary>
/// Initialize a new instance of WadoUriController
/// </summary>
public WadoUriController()
{
//Put your own IDicomImageFinderService implementation here for real world scenarios
_dicomImageFinderService = new TestDicomImageFinderService();
}
