/// <summary> /// Creates the receive properties for logging. /// </summary> /// <param name="e">The <see cref="DicomDataReceiverProgressEventArgs"/> instance containing the event data.</param> /// <returns>The receive properties.</returns> private static (object progressCode, string remoteHost, int remotePort, string uid, string version, string logPresentation) CreateReceiveProperties(DicomDataReceiverProgressEventArgs e) => (e.ProgressCode, e.DicomAssociation.RemoteHost, e.DicomAssociation.RemotePort,
/// <summary>
/// Method for when data is received. Used for adding a received folder onto the message queue
/// when the association is closed.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The progress update.</param>
private void DataReceiver_DataReceived(object sender, DicomDataReceiverProgressEventArgs e)
{
var queueItem = new UploadQueueItem(
calledApplicationEntityTitle: e.DicomAssociation?.CalledAE,
callingApplicationEntityTitle: e.DicomAssociation?.CallingAE,
associationFolderPath: e.FolderPath,
rootDicomFolderPath: e.RootFolderPath,
associationGuid: e.AssociationId,
associationDateTime: e.SocketConnectionDateTime);
if (e.ProgressCode == DicomReceiveProgressCode.AssociationReleased || e.ProgressCode == DicomReceiveProgressCode.TransferAborted)
{
// Send a log event
LogInformation(LogEntry.Create(AssociationStatus.DicomAssociationClosed,
uploadQueueItem: queueItem,
dicomDataReceiverProgress: CreateReceiveProperties(e)));
// If no data has been received, we do not need to add to the message queue.
// An example of a no data received scenario is a Dicom echo.
if (!e.AnyDataReceived)
{
return;
}
using (var transaction = CreateQueueTransaction(_uploadQueuePath))
{
BeginMessageQueueTransaction(transaction);
try
{
// Add the receive queue item onto the queue.
// No retry logic as if the method fails, retrying will not help
EnqueueMessage(queueItem, _uploadQueuePath, transaction);
transaction.Commit();
}
// This should never happen unless someone has manually changed the queue configuration
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception exception)
#pragma warning restore CA1031 // Do not catch general exception types
{
transaction.Abort();
LogError(LogEntry.Create(AssociationStatus.ReceiveEnqueueError, uploadQueueItem: queueItem),
exception);
}
}
}
else if (e.ProgressCode == DicomReceiveProgressCode.FileReceived ||
e.ProgressCode == DicomReceiveProgressCode.ConnectionClosed ||
e.ProgressCode == DicomReceiveProgressCode.AssociationEstablished)
{
LogInformation(LogEntry.Create(AssociationStatus.FileReceived,
uploadQueueItem: queueItem,
dicomDataReceiverProgress: CreateReceiveProperties(e)));
}
else if (e.ProgressCode == DicomReceiveProgressCode.AssociationEstablished)
{
LogInformation(LogEntry.Create(AssociationStatus.DicomAssociationOpened,
uploadQueueItem: queueItem,
dicomDataReceiverProgress: CreateReceiveProperties(e)));
}
else if (e.ProgressCode == DicomReceiveProgressCode.Echo)
{
LogInformation(LogEntry.Create(AssociationStatus.DicomEcho,
uploadQueueItem: queueItem,
dicomDataReceiverProgress: CreateReceiveProperties(e)));
}
else
{
LogError(LogEntry.Create(AssociationStatus.ReceiveUploadError, uploadQueueItem: queueItem,
dicomDataReceiverProgress: CreateReceiveProperties(e)),
new ReceiveServiceException("Cannot add to upload queue"));
}
}
