protected override void Execute()
{
// loop through all associations
// Get all kind of DICOM messages from the sniffer file stream.
DvtkData.Message message = null;
DvtkData.Dimse.DicomMessage lastMessage = null;
DvtkData.Dul.AcceptedPresentationContextList accPCs = null;
ReceivedMsgReturnCode retcode = ReceivedMsgReturnCode.Failure;
retcode = dvtkSnifferSession.ReceiveMessage(out message);
try
{
while ((retcode == ReceivedMsgReturnCode.Success) && (message != null))
{
// DicomMessage needs to be validated against a definition file and VR.
ValidationControlFlags validationFlags = ValidationControlFlags.None;
validationFlags |= ValidationControlFlags.UseDefinitions;
validationFlags |= ValidationControlFlags.UseValueRepresentations;
if (message is DvtkData.Dul.DulMessage)
{
//Extract Calling/Called AE Title from received message and save is to
// Dvtk Script session
if (message is DvtkData.Dul.A_ASSOCIATE_RQ)
{
DvtkData.Dul.A_ASSOCIATE_RQ assocReq = (DvtkData.Dul.A_ASSOCIATE_RQ)message;
Options.DvtkScriptSession.DvtSystemSettings.AeTitle = assocReq.CalledAETitle;
Options.DvtkScriptSession.SutSystemSettings.AeTitle = assocReq.CallingAETitle;
}
if (message is DvtkData.Dul.A_ASSOCIATE_AC)
{
DvtkData.Dul.A_ASSOCIATE_AC assocAcc = (DvtkData.Dul.A_ASSOCIATE_AC)message;
Options.DvtkScriptSession.DvtSystemSettings.AeTitle = assocAcc.CallingAETitle;
Options.DvtkScriptSession.SutSystemSettings.AeTitle = assocAcc.CalledAETitle;
accPCs = assocAcc.PresentationContexts;
}
Options.DvtkScriptSession.Validate(message as DvtkData.Dul.DulMessage, null, validationFlags);
}
else
{
DvtkData.Dimse.DicomMessage dimseMsg = (DvtkData.Dimse.DicomMessage)message;
if (dimseMsg.CommandField == DvtkData.Dimse.DimseCommand.CFINDRQ)
{
lastMessage = dimseMsg;
}
foreach (DvtkData.Dul.AcceptedPresentationContext acc in accPCs)
{
if ((acc.Result == 0) && (acc.ID == dimseMsg.EncodedPresentationContextID))
{
if (acc.TransferSyntax != DvtkData.Dul.TransferSyntax.Implicit_VR_Little_Endian)
{
Options.DvtkScriptSession.IsDataTransferExplicit = true;
}
else
{
Options.DvtkScriptSession.IsDataTransferExplicit = false;
}
break;
}
}
if ((dimseMsg.CommandField == DvtkData.Dimse.DimseCommand.CFINDRSP) && (lastMessage != null))
{
Options.DvtkScriptSession.Validate(dimseMsg, null, lastMessage, validationFlags);
}
else
{
Options.DvtkScriptSession.Validate(dimseMsg, null, validationFlags);
}
}
message = null;
retcode = dvtkSnifferSession.ReceiveMessage(out message);
if ((retcode == ReceivedMsgReturnCode.IncompleteByteStream) && (message == null))
{
string msg = string.Format("Incomplete byte stream, unable to perform further validation, see {0} for detail logging in {1} directory.", (associationName + ".log"), this.Options.ResultsDirectory);
WriteHtmlInformation("<b><br />");
WriteInformation(msg);
WriteHtmlInformation("</b><br />");
}
}
}
catch (Exception except)
{
string msg = string.Format("Validation error: {0}\n", except.Message);
MessageBox.Show(msg, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
//again set the original directory
dvtkSnifferSession.DataDirectory = orgDataDir;
}
/// <summary>
/// Sends an A-ASSOCIATE-RQ.
/// </summary>
/// <param name="presentationContexts">One or more PresentationContext objects.</param>
/// <returns>The sent A-ASSOCIATE-RQ</returns>
/// <exception cref="System.Exception">
/// One or more of the supplied presentation contexts is an A_ASSOCIATE_AC presentation
/// context or sending of the A-ASSOCIATE-RQ fails.
/// </exception>
/// <example>
/// <b>VB.NET</b>
/// <code>
/// <include file='Doc\VisualBasicExamples.xml' path='Examples/Example[@name="IncludesDicomThreadScu"]' />
/// <include file='Doc\VisualBasicExamples.xml' path='Examples/Example[@name="DicomThreadScu"]' />
/// <include file='Doc\VisualBasicExamples.xml' path='Examples/Example[@name="Main"]' />
/// </code>
/// </example>
protected internal AssociateRq SendAssociateRq(params PresentationContext[] presentationContexts)
{
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 = Options.LocalAeTitle;
dvtkDataAssociateRq.CalledAETitle = Options.RemoteAeTitle;
dvtkDataAssociateRq.UserInformation.MaximumLength.MaximumLengthReceived = Options.LocalMaximumLength;
dvtkDataAssociateRq.UserInformation.ImplementationClassUid.UID = Options.LocalImplementationClassUid;
dvtkDataAssociateRq.UserInformation.ImplementationVersionName.Name = Options.LocalImplementationVersionName;
// Parse all parameters.
foreach (PresentationContext presentationContext in presentationContexts)
{
if (!presentationContext.IsForAssociateRequest)
{
throw new System.Exception("Error while interpreting parameters for PresentationContext");
}
DvtkData.Dul.RequestedPresentationContext requestedPresentationContext = new DvtkData.Dul.RequestedPresentationContext();
requestedPresentationContext.AbstractSyntax = new DvtkData.Dul.AbstractSyntax(presentationContext.AbstractSyntax);
foreach (String transferSyntax in presentationContext.TransferSyntaxes)
{
requestedPresentationContext.AddTransferSyntaxes(new DvtkData.Dul.TransferSyntax(transferSyntax));
}
dvtkDataAssociateRq.AddPresentationContexts(requestedPresentationContext);
}
associateRq = new AssociateRq(dvtkDataAssociateRq);
SendMessage(associateRq);
hasOpenConnection = true;
return (associateRq);
}
/// <summary>
/// Constructor to encapsulate an existing DvtkData A_ASSOCIATE_RQ.
/// </summary>
/// <param name="dvtkDataAssociateRq">The encapsulated DvtkData A_ASSOCIATE_RQ</param>
internal AssociateRq(DvtkData.Dul.A_ASSOCIATE_RQ dvtkDataAssociateRq) : base(dvtkDataAssociateRq)
{
}
/// <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);
}
