private void HandleCStoreException(Exception ex, OutputJob job, DicomClient client)
{
var exception = ex;
if (exception is AggregateException)
{
exception = exception.InnerException;
}
if (exception is DicomAssociationAbortedException abortEx)
{
job.Logger.LogError("Association aborted with reason {0}, exception {1}", abortEx.AbortReason, abortEx);
}
else if (exception is DicomAssociationRejectedException rejectEx)
{
job.Logger.LogError("Association rejected with reason {0}, exception {1}", rejectEx.RejectReason, rejectEx);
}
else if (exception is IOException && exception?.InnerException is System.Net.Sockets.SocketException socketException)
{
job.Logger.LogError("Association aborted with error {0}, exception {1}", socketException.Message, socketException);
}
else
{
job.Logger.LogError("Job failed with error {0}", exception);
}
}
private void GenerateRequests(
OutputJob job,
DicomClient client,
CountdownEvent countDownEventHandle)
{
while (job.PendingDicomFiles.Count > 0)
{
try
{
var request = new DicomCStoreRequest(job.PendingDicomFiles.Dequeue());
request.OnResponseReceived += (req, response) =>
{
if (response.Status != DicomStatus.Success)
{
job.FailedDicomFiles.Add(request.File, response.Status.ToString());
}
else
{
job.ProcessedDicomFiles.Add(request.File);
job.Logger.LogInformation("Instance {0} sent successfully", request.File.FileMetaInfo.MediaStorageSOPInstanceUID.UID);
}
countDownEventHandle.Signal();
};
client.AddRequestAsync(request).ConfigureAwait(false);
}
catch (Exception exception)
{
job.Logger.LogError("Error while adding DICOM C-STORE request: {0}", exception);
}
}
}
private async Task SendCStoreRequest(OutputJob job)
{
await DownloadFromPayloadsService(job);
if (job.PendingDicomFiles.Count > 0)
{
var countDownEventHandle = new CountdownEvent(job.PendingDicomFiles.Count);
DicomClient client = null;
try
{
client = new DicomClient(
job.HostIp,
job.Port,
false,
_dicomAdapterConfiguration.Value.Dicom.Scu.AeTitle,
job.AeTitle);
client.AssociationAccepted += (sender, args) =>
job.Logger.LogInformation("Association accepted.");
client.AssociationRejected += (sender, args) =>
job.Logger.LogInformation("Association rejected.");
client.AssociationReleased += (sender, args) =>
job.Logger.LogInformation("Association release.");
client.Options = new DicomServiceOptions
{
LogDataPDUs = _dicomAdapterConfiguration.Value.Dicom.Scu.LogDataPdus,
LogDimseDatasets = _dicomAdapterConfiguration.Value.Dicom.Scu.LogDimseDatasets
};
client.NegotiateAsyncOps();
GenerateRequests(job, client, countDownEventHandle);
job.Logger.LogInformation("Sending job to {0}@{1}:{2}", job.AeTitle, job.HostIp, job.Port);
await client.SendAsync(_token).ConfigureAwait(false);
countDownEventHandle.Wait(_token);
job.Logger.LogInformation("Job sent to {0} completed", job.AeTitle);
}
catch (Exception ex)
{
HandleCStoreException(ex, job, client);
}
}
job.LogFailedRequests();
job.ReportStatus(_token);
}
private async Task DownloadFromPayloadsService(OutputJob job)
{
int failureCount = 0;
foreach (var url in job.Uris)
{
PayloadFile file = null;
try
{
file = await _payloadsApi.Download(job.PayloadId, url);
}
catch (System.Exception ex)
{
job.Logger.LogWarning("Failed to download file {0} from payload {1}: {2}", url, job.PayloadId, ex);
job.FailedFiles.Add(url);
failureCount++;
continue;
}
try
{
var dicom = DicomFile.Open(new MemoryStream(file.Data));
job.PendingDicomFiles.Enqueue(dicom);
}
catch (System.Exception ex)
{
job.Logger.LogWarning("Failed to load DICOM data {0} from payload {1}: {2}", url, job.PayloadId, ex);
job.FailedFiles.Add(url);
failureCount++;
}
}
if (failureCount > 1)
{
job.Logger.LogWarning("{0}/{1} files failed to load.", failureCount, job.Uris.Count());
}
}