/// <summary>
/// Method to handle the workflow after receiving an Associate Request.
/// </summary>
/// <param name="associateRq">Associate Request message.</param>
public override void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
if (IsMessageHandled == false)
{
// determine which workflow to follow
switch (_scpRespondToAssociateRequest)
{
case ScpRespondToAssociateRequestEnum.WithAssociateAccept:
{
// send an associate accept with the supported transfer syntaxes.
this.Options.LocalAeTitle = associateRq.CalledAETitle;
this.Options.RemoteAeTitle = associateRq.CallingAETitle;
AssociateAc associateAc = SendAssociateAc(new SopClasses(sopList), new TransferSyntaxes(tsStoreList));
break;
}
case ScpRespondToAssociateRequestEnum.WithAssociateReject:
// send an associate reject with the given parameters
SendAssociateRj(_rejectResult, _rejectSource, _rejectReason);
break;
case ScpRespondToAssociateRequestEnum.WithAbort:
default:
// send an abort request with the given parameters
SendAbort(_abortSource, _abortReason);
break;
}
// message has now been handled
IsMessageHandled = true;
}
}
public override void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
if (!IsMessageHandled)
{
SendAssociateRp();
IsMessageHandled = true;
}
}
public override void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
if (!IsMessageHandled)
{
SendAssociateAc(new TransferSyntaxes("1.2.840.10008.1.2", "1.2.840.10008.1.2.1", "1.2.840.10008.1.2.2"));
IsMessageHandled = true;
}
}
public override void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
if (!IsMessageHandled)
{
SendAssociateAc(new TransferSyntaxes("1.2.840.10008.1.2", "1.2.840.10008.1.2.1", "1.2.840.10008.1.2.2"));
IsMessageHandled = true;
}
}
/// <summary>
/// Handle Association Req
/// </summary>
/// <param name="associateRq"></param>
public override void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
if (!IsMessageHandled)
{
string [] tsList = (System.String[])supportedTS.ToArray(typeof(System.String));
SendAssociateRp(new TransferSyntaxes(tsList));
IsMessageHandled = true;
}
}
/// <summary>
/// Handle Association Req
/// </summary>
/// <param name="associateRq"></param>
public override void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
if (!IsMessageHandled)
{
this.Options.LocalAeTitle = associateRq.CalledAETitle;
this.Options.RemoteAeTitle = associateRq.CallingAETitle;
SendAssociateRp(sopClasses, new TransferSyntaxes(tsList));
IsMessageHandled = true;
}
}
/// <summary>
/// Method to handle an Associate Request.
/// </summary>
/// <param name="associateRq">Associate Request message.</param>
public override void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
if (IsMessageHandled == false)
{
this.Options.LocalAeTitle = associateRq.CalledAETitle;
this.Options.RemoteAeTitle = associateRq.CallingAETitle;
// send an associate accept/reject with the supported transfer syntaxes.
DulMessage dulMsg = SendAssociateRp(new SopClasses("1.2.840.10008.1.20.1"), new TransferSyntaxes(tsList));
if (dulMsg is AssociateRj)
{
this.receiveMessages = false;
}
// message has now been handled
IsMessageHandled = true;
}
}
/// <summary>
/// Method to handle the workflow after receiving an Associate Request.
/// </summary>
/// <param name="associateRq">Associate Request message.</param>
public override void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
if (IsMessageHandled == false)
{
// determine which workflow to follow
switch (_scpRespondToAssociateRequest)
{
case ScpRespondToAssociateRequestEnum.WithAssociateAccept:
// send an associate accept with the supported transfer syntaxes.
SendAssociateAc(_sopClasses, _transferSyntaxes);
break;
case ScpRespondToAssociateRequestEnum.WithAssociateReject:
// send an associate reject with the given parameters
SendAssociateRj(_rejectResult, _rejectSource, _rejectReason);
// handle results files
if (_resultsFilePerAssociation == true)
{
StopResultsGathering();
StartResultsGathering();
}
break;
case ScpRespondToAssociateRequestEnum.WithAbort:
default:
// send an abort request with the given parameters
SendAbort(_abortSource, _abortReason);
// handle results files
if (_resultsFilePerAssociation == true)
{
StopResultsGathering();
StartResultsGathering();
}
break;
}
// message has now been handled
IsMessageHandled = true;
}
}
/// <summary>
/// This method is called after an A-ASSOCIATE-RQ has been received and has
/// (possibly) been handled by the (zero or more) MessageHandler objects that
/// are attached to this object.
///
/// Default, nothing is done in this method. Override if needed.
/// </summary>
/// <param name="associateRq">The received A-ASSOCIATE-RQ.</param>
public virtual void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
// Do nothing.
}
/// <summary>
/// Override this method to handle an A-ASSOCIATE-RQ.
/// </summary>
/// <param name="associateRq">The received A-ASSOCIATE-RQ.</param>
/// <returns>Return true when this methods has handled the received A-ASSOCIATE-RQ, otherwise false.</returns>
public virtual bool HandleAssociateRequest(AssociateRq associateRq)
{
return false;
}
public override void BeforeHandlingAssociateRequest(AssociateRq associateRq)
{
this.SendingMessageEvent += new SendingMessageEventHandler(QRScp_SendingMessageEvent);
this.MessageReceivedEvent += new MessageReceivedEventHandler(QRScp_MessageReceivedEvent);
base.BeforeHandlingAssociateRequest(associateRq);
}
/// <summary>
/// This method is called after an A-ASSOCIATE-RQ has been received and has
/// (possibly) been handled by the (zero or more) MessageHandler objects that
/// are attached to this object.
///
/// Default, nothing is done in this method. Override if needed.
/// </summary>
/// <param name="associateRq">The received A-ASSOCIATE-RQ.</param>
public virtual void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
// Do nothing.
}
/// <summary>
/// This method is called after an A-ASSOCIATE-RQ has been received but before it
/// (possibly) will be handled by the (zero or more) MessageHandler objects that
/// are attached to this object.
///
/// This implementation makes sure that before the A-ASSOCIATE-RQ is handled, a new
/// sub DicomThread is started that listens to the same port as the current object.
/// This method will only be called by a sub DicomThread.
/// </summary>
/// <param name="associateRq">The received A-ASSOCIATE-RQ</param>
public override void BeforeHandlingAssociateRequest(AssociateRq associateRq)
{
CreateAndStartChildDicomThread(this.overviewThread);
}
/// <summary>
/// This method is called after an A-ASSOCIATE-RQ has been received but before it
/// (possibly) will be handled by the (zero or more) MessageHandler objects that
/// are attached to this object.
///
/// Default, nothing is done in this method. Override if needed.
/// </summary>
/// <param name="associateRq">The received A-ASSOCIATE-RQ</param>
public virtual void BeforeHandlingAssociateRequest(AssociateRq associateRq)
{
// Do nothing.
}
/// <summary>
/// Method to handle the workflow after receiving an Associate Request.
/// </summary>
/// <param name="associateRq">Associate Request message.</param>
public override void AfterHandlingAssociateRequest(AssociateRq associateRq)
{
if (IsMessageHandled == false)
{
// determine which workflow to follow
switch (_scpRespondToAssociateRequest)
{
case ScpRespondToAssociateRequestEnum.WithAssociateAccept:
{
// send an associate accept with the supported transfer syntaxes.
PresentationContextCollection presentationContextsForAssociateAc = new PresentationContextCollection();
foreach (PresentationContext reqtedPC in associateRq.PresentationContexts)
{
String abstractSyntaxInAssociateRq = reqtedPC.AbstractSyntax;
PresentationContext presentationContextForAssociateAc = null;
if (sopList.Contains(abstractSyntaxInAssociateRq))
{
String transferSyntaxForAssociateAc = null;
this.Options.LocalAeTitle = associateRq.CalledAETitle;
this.Options.RemoteAeTitle = associateRq.CallingAETitle;
if (reqtedPC.AbstractSyntax == "1.2.840.10008.1.20.1")
{
transferSyntaxForAssociateAc = DetermineTransferSyntaxToAccept
(reqtedPC.TransferSyntaxes, tsCommitList);
}
else
{
transferSyntaxForAssociateAc = DetermineTransferSyntaxToAccept
(reqtedPC.TransferSyntaxes, tsStoreList);
}
if (transferSyntaxForAssociateAc.Length == 0)
{
presentationContextForAssociateAc = new PresentationContext
(reqtedPC.AbstractSyntax,
4,
"");
}
else
{
presentationContextForAssociateAc = new PresentationContext
(reqtedPC.AbstractSyntax,
0,
transferSyntaxForAssociateAc);
}
}
else
{
presentationContextForAssociateAc = new PresentationContext
(reqtedPC.AbstractSyntax,
3,
"");
}
presentationContextsForAssociateAc.Add(presentationContextForAssociateAc);
}
SendAssociateAc(presentationContextsForAssociateAc);
isAssociated = true;
break;
}
case ScpRespondToAssociateRequestEnum.WithAssociateReject:
// send an associate reject with the given parameters
SendAssociateRj(_rejectResult, _rejectSource, _rejectReason);
break;
case ScpRespondToAssociateRequestEnum.WithAbort:
default:
// send an abort request with the given parameters
SendAbort(_abortSource, _abortReason);
break;
}
// message has now been handled
IsMessageHandled = true;
}
}
/// <summary>
/// This method is called after an A-ASSOCIATE-RQ has been received but before it
/// (possibly) will be handled by the (zero or more) MessageHandler objects that
/// are attached to this object.
///
/// This implementation makes sure that before the A-ASSOCIATE-RQ is handled, a new
/// sub DicomThread is started that listens to the same port as the current object.
/// This method will only be called by a sub DicomThread.
/// </summary>
/// <param name="associateRq">The received A-ASSOCIATE-RQ</param>
public override void BeforeHandlingAssociateRequest(AssociateRq associateRq)
{
CreateAndStartChildDicomThread(this.overviewThread);
}
/// <summary>
/// This method is called after an A-ASSOCIATE-RQ has been received but before it
/// (possibly) will be handled by the (zero or more) MessageHandler objects that
/// are attached to this object.
///
/// Default, nothing is done in this method. Override if needed.
/// </summary>
/// <param name="associateRq">The received A-ASSOCIATE-RQ</param>
public virtual void BeforeHandlingAssociateRequest(AssociateRq associateRq)
{
// Do nothing.
}
/// <summary>
/// Override this method to handle an A-ASSOCIATE-RQ.
/// </summary>
/// <param name="associateRq">The received A-ASSOCIATE-RQ.</param>
/// <returns>Return true when this methods has handled the received A-ASSOCIATE-RQ, otherwise false.</returns>
public virtual bool HandleAssociateRequest(AssociateRq associateRq)
{
return(false);
}
/// <summary>
/// Send a A-ASSOCIATE-RQ.
/// </summary>
/// <param name="presentationContexts">One or more PresentationContext objects.</param>
/// <returns>The A-ASSOCIATE-RQ</returns>
public AssociateRq SendAssociateRq(params PresentationContext[] presentationContexts)
{
// Start Interface logging.
// InterfaceLogging.Start(this);
AssociateRq associateRq = null;
// Create a DvtkData ASSOCIATE request and set default values.
DvtkData.Dul.A_ASSOCIATE_RQ dvtkDataAssociateRq = new DvtkData.Dul.A_ASSOCIATE_RQ();
dvtkDataAssociateRq.CallingAETitle = DvtkScriptSession.DvtSystemSettings.AeTitle;
dvtkDataAssociateRq.CalledAETitle = DvtkScriptSession.SutSystemSettings.AeTitle;
dvtkDataAssociateRq.UserInformation.MaximumLength.MaximumLengthReceived = Convert.ToUInt32(16384);
dvtkDataAssociateRq.UserInformation.ImplementationClassUid.UID = "100.118.116.2003.1.4";
// Parse all parameters.
foreach(PresentationContext presentationContext in presentationContexts)
{
if (!presentationContext.InterpretAsPcForAssociateRq())
{
DvtkHighLevelInterfaceException.Throw("Error while interpreting parameters for PresentationContext");
}
DvtkData.Dul.RequestedPresentationContext requestedPresentationContext = new DvtkData.Dul.RequestedPresentationContext();
requestedPresentationContext.AbstractSyntax = new DvtkData.Dul.AbstractSyntax(presentationContext.SopClass);
foreach (String transferSyntax in presentationContext.TransferSyntaxes)
{
requestedPresentationContext.AddTransferSyntaxes(new DvtkData.Dul.TransferSyntax(transferSyntax));
}
dvtkDataAssociateRq.AddPresentationContexts(requestedPresentationContext);
}
Dvtk.Sessions.SendReturnCode sendReturnCode = DvtkScriptSession.Send(dvtkDataAssociateRq);
if (sendReturnCode != Dvtk.Sessions.SendReturnCode.Success)
{
DvtkHighLevelInterfaceException.Throw("Error sending associate request (" + sendReturnCode.ToString() + ")");
}
else
{
associateRq = new AssociateRq(dvtkDataAssociateRq);
associateRq.IsSend = true;
ThreadManager.DataWarehouse.AddMessage(this, associateRq);
}
// End Interface logging.
// InterfaceLogging.End(associateRq);
return(associateRq);
}
/// <summary>
/// Receive a message (can be a Dicom or Dul message).
///
/// An exception is thrown when receiving of a message fails.
/// </summary>
/// <returns>The received message.</returns>
public Message ReceiveMessage()
{
// Start Interface logging.
// InterfaceLogging.Start(this);
DicomProtocolMessage receivedMessage = null;
DvtkData.Message dvtkDataMessage = null;
WriteInformation("Receive message...");
Dvtk.Sessions.ReceiveReturnCode receiveReturnCode = DvtkScriptSession.Receive(out dvtkDataMessage);
if (receiveReturnCode != Dvtk.Sessions.ReceiveReturnCode.Success)
{
DvtkHighLevelInterfaceException.Throw("Error while trying to receive a Message. Error code " + receiveReturnCode.ToString() + ".");
}
else
{
if (dvtkDataMessage is DvtkData.Dimse.DicomMessage)
{
receivedMessage = new DicomMessage(dvtkDataMessage as DvtkData.Dimse.DicomMessage);
}
else if (dvtkDataMessage is DvtkData.Dul.A_ASSOCIATE_RQ)
{
lastAssociateRq = new AssociateRq(dvtkDataMessage as DvtkData.Dul.A_ASSOCIATE_RQ);
receivedMessage = lastAssociateRq;
}
else if (dvtkDataMessage is DvtkData.Dul.A_ASSOCIATE_AC)
{
receivedMessage = new AssociateAc(dvtkDataMessage as DvtkData.Dul.A_ASSOCIATE_AC);
}
else if (dvtkDataMessage is DvtkData.Dul.A_ASSOCIATE_RJ)
{
receivedMessage = new AssociateRj(dvtkDataMessage as DvtkData.Dul.A_ASSOCIATE_RJ);
}
else if (dvtkDataMessage is DvtkData.Dul.A_RELEASE_RQ)
{
receivedMessage = new ReleaseRq(dvtkDataMessage as DvtkData.Dul.A_RELEASE_RQ);
}
else if (dvtkDataMessage is DvtkData.Dul.A_RELEASE_RP)
{
receivedMessage = new ReleaseRp(dvtkDataMessage as DvtkData.Dul.A_RELEASE_RP);
}
else if (dvtkDataMessage is DvtkData.Dul.A_ABORT)
{
receivedMessage = new Abort(dvtkDataMessage as DvtkData.Dul.A_ABORT);
}
else
{
Debug.Assert(true, "Unexpected DvtkData Message descendant type.");
}
// If the options AutoValidate is true, try to validate as much
// as possible for the received message.
if (Options.AutoValidate)
{
Validate(receivedMessage);
}
receivedMessage.IsReceived = true;
ThreadManager.DataWarehouse.AddMessage(this, receivedMessage);
if (receivedMessage is ReleaseRq)
{
if (AssociationReleasedEvent != null)
{
AssociationReleasedEvent(this);
}
}
}
// End Interface logging.
// InterfaceLogging.End(receivedMessage);
return(receivedMessage);
}
private void SetAcceptedPresentationContexts(AssociateRq associateRq, AssociateAc associateAc, params Object[] parameters)
{
TransferSyntaxes transferSyntaxes = null;
SopClasses sopClasses = null;
if (parameters.Length == 1)
{
transferSyntaxes = parameters[0] as TransferSyntaxes;
if (transferSyntaxes == null)
{
DvtkHighLevelInterfaceException.Throw("Error while interpreting parameters.");
}
}
else if (parameters.Length == 2)
{
transferSyntaxes = parameters[0] as TransferSyntaxes;
if (transferSyntaxes == null)
{
sopClasses = parameters[0] as SopClasses;
if (sopClasses == null)
{
DvtkHighLevelInterfaceException.Throw("Error while interpreting parameters.");
}
else
{
transferSyntaxes = parameters[1] as TransferSyntaxes;
if (transferSyntaxes == null)
{
DvtkHighLevelInterfaceException.Throw("Error while interpreting parameters.");
}
}
}
else
{
sopClasses = parameters[1] as SopClasses;
if (sopClasses == null)
{
DvtkHighLevelInterfaceException.Throw("Error while interpreting parameters.");
}
}
}
else
{
DvtkHighLevelInterfaceException.Throw("Error while interpreting parameters.");
}
foreach(DvtkData.Dul.RequestedPresentationContext dvtkDataRequestedPresentationContext in associateRq.DvtkDataAssociateRq.PresentationContexts)
{
String sopClassToAccept = null;
String transferSyntaxToAccept = null;
if (sopClasses == null)
{
sopClassToAccept = dvtkDataRequestedPresentationContext.AbstractSyntax.UID;
}
else
{
foreach(String acceptedSopClass in sopClasses.list)
{
if (acceptedSopClass == dvtkDataRequestedPresentationContext.AbstractSyntax.UID)
{
sopClassToAccept = dvtkDataRequestedPresentationContext.AbstractSyntax.UID;
break;
}
}
}
if (sopClassToAccept != null)
{
foreach(String acceptedTransferSyntax in transferSyntaxes.list)
{
foreach(DvtkData.Dul.TransferSyntax requestedDvtkDataTransferSyntax in dvtkDataRequestedPresentationContext.TransferSyntaxes)
{
if (acceptedTransferSyntax == requestedDvtkDataTransferSyntax.UID)
{
transferSyntaxToAccept = requestedDvtkDataTransferSyntax.UID;
break;
}
}
if (transferSyntaxToAccept != null)
{
break;
}
}
if (transferSyntaxToAccept != null)
{
DvtkData.Dul.AcceptedPresentationContext dvtkDataAcceptedPresentationContext = new DvtkData.Dul.AcceptedPresentationContext();
dvtkDataAcceptedPresentationContext.AbstractSyntax = new DvtkData.Dul.AbstractSyntax(sopClassToAccept);
dvtkDataAcceptedPresentationContext.TransferSyntax = new DvtkData.Dul.TransferSyntax(transferSyntaxToAccept);
dvtkDataAcceptedPresentationContext.Result = 0;
associateAc.DvtkDataAssociateAc.AddPresentationContexts(dvtkDataAcceptedPresentationContext);
}
}
}
}
