/// <summary>
/// Performs the find request to the specified remote dicom server with the specified attributes.
/// </summary>
/// <param name="clientAETitle">The client AE title.</param>
/// <param name="remoteAE">The remote AE.</param>
/// <param name="remoteHost">The remote host.</param>
/// <param name="remotePort">The remote port.</param>
/// <param name="requestAttributeCollection">The request attribute collection.</param>
/// <returns></returns>
public IList <DicomAttributeCollection> Find(string clientAETitle, string remoteAE, string remoteHost, int remotePort, DicomAttributeCollection requestAttributeCollection)
{
if (requestAttributeCollection == null)
{
throw new ArgumentNullException("requestAttributeCollection");
}
_requestAttributeCollection = requestAttributeCollection;
if (!ValidateQuery())
{
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, "Invalid query for SCU type {0}", GetType().FullName.Substring(GetType().FullName.LastIndexOf(".") + 1)));
}
_results = new List <DicomAttributeCollection>();
if (ReuseAssociation && Status == ScuOperationStatus.Running)
{
ProgressEvent.Reset();
SendFindRequest(_dicomClient, _associationParameters);
ProgressEvent.WaitOne();
}
else
{
ClientAETitle = clientAETitle;
RemoteAE = remoteAE;
RemoteHost = remoteHost;
RemotePort = remotePort;
Connect();
}
return(_results);
}
/// <summary>
/// Connects to specified server with the specified information.
/// </summary>
/// <remarks>
/// Note this calls <see cref="SetPresentationContexts" /> to get the list of presentation
/// contexts for the association request, so this method should be overwritten in the subclass.
/// </remarks>
protected void Connect()
{
try
{
if (_dicomClient != null)
{
// TODO: Dispose of properly...
CloseDicomClient();
}
if (string.IsNullOrEmpty(ClientAETitle) || string.IsNullOrEmpty(RemoteAE) ||
string.IsNullOrEmpty(RemoteHost) || RemotePort == 0)
{
throw new InvalidOperationException("Client and/or Remote info not specified.");
}
AssociationParameters =
new ClientAssociationParameters(ClientAETitle, RemoteAE, RemoteHost, RemotePort);
AssociationParameters.ReadTimeout = ReadTimeout;
AssociationParameters.WriteTimeout = WriteTimeout;
SetPresentationContexts();
Status = ScuOperationStatus.Running;
_dicomClient = DicomClient.Connect(AssociationParameters, this);
_dicomClient.LogInformation = LogInformation;
ProgressEvent.WaitOne();
}
catch (Exception ex)
{
Status = ScuOperationStatus.ConnectFailed;
FailureDescription = ex.Message;
LogAdapter.Logger.Error("Exception attempting connection to RemoteHost {0} ({1}:{2})", RemoteAE,
RemoteHost, RemotePort);
throw;
}
}