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));
}