/// <summary>
/// Gets the accepted SOP classes and transfer syntaxes.
/// </summary>
/// <returns>The accepted SOP classes and transfer syntaxes.</returns>
private IReadOnlyDictionary <DicomUID, DicomTransferSyntax[]> GetAcceptedSopClassesAndTransferSyntaxes()
{
try
{
var gatewayReceiveConfig = _getReceiveServiceConfig();
if (gatewayReceiveConfig != null)
{
_receiveServiceConfig = gatewayReceiveConfig;
}
}
// We catch all exceptions and return the latest cached result on error. We do not want to stop accepting data
// just because we cannot communicate with our API. We should stop processing further down the chain.
catch (Exception e)
{
LogError(LogEntry.Create(ServiceStatus.GetAcceptedSopClassesAndTransferSyntaxesError),
e);
}
return(_receiveServiceConfig.AcceptedSopClassesAndTransferSyntaxes);
}
/// <summary>
/// Called when the service is started.
/// </summary>
protected override void OnServiceStart()
{
LogTrace(LogEntry.Create(AssociationStatus.ReceiveServiceStart));
_receiveServiceConfig = _getReceiveServiceConfig();
// Create a folder for saving data and the data saver object.
var imageSaver = new ListenerDicomSaver(_receiveServiceConfig.RootDicomFolder);
_dataReceiver = new ListenerDataReceiver(imageSaver);
_dataReceiver.DataReceived += DataReceiver_DataReceived;
// Start listening
var serverStarted = _dataReceiver.StartServer(
port: _receiveServiceConfig.GatewayDicomEndPoint.Port,
getAcceptedTransferSyntaxes: () => _receiveServiceConfig.AcceptedSopClassesAndTransferSyntaxes,
timeout: TimeSpan.FromSeconds(2));
if (!serverStarted)
{
throw new ArgumentException("Failed to start the Dicom data receiver. The input configuration is not correct.", nameof(_receiveServiceConfig));
}
}
