/// <summary>
/// Initializes a new instance of the <see cref="DicomResponse"/> class.
/// </summary>
/// <param name="request">
/// The request initiating the response.
/// </param>
/// <param name="status">
/// Response status.
/// </param>
protected DicomResponse(DicomRequest request, DicomStatus status)
{
PresentationContext = request.PresentationContext;
Type = (DicomCommandField)(0x8000 | (int)request.Type);
SOPClassUID = request.SOPClassUID;
RequestMessageID = request.MessageID;
Status = status;
}
/// <summary>
/// Add Extended Negotiation obtained from DICOM request.
/// Note: The extended negotiation will affect all requests that share the same SOP class within an association.
/// </summary>
/// <param name="dicomRequest">Request from which extended negotiation info should be obtained.</param>
public void AddFromRequest(DicomRequest dicomRequest)
{
if (dicomRequest is DicomCStoreRequest cStoreRequest)
{
if (cStoreRequest.ApplicationInfo != null || cStoreRequest.CommonServiceClassUid != null)
{
AddOrUpdate(cStoreRequest.SOPClassUID, cStoreRequest.ApplicationInfo,
cStoreRequest.CommonServiceClassUid, cStoreRequest.RelatedGeneralSopClasses?.ToArray());
}
}
else if (dicomRequest.ApplicationInfo != null)
{
AddOrUpdate(dicomRequest.SOPClassUID, dicomRequest.ApplicationInfo);
}
}
/// <summary>
/// Add presentation contexts obtained from DICOM request.
/// </summary>
/// <param name="request">Request from which presentation context(s) should be obtained.</param>
public void AddFromRequest(DicomRequest request)
{
if (request is DicomCStoreRequest cstore)
{
var pcs = _pc.Values
.Where(x => x.AbstractSyntax == request.SOPClassUID)
.Where(x => x.HasTransferSyntax(cstore.TransferSyntax));
var pc = pcs.FirstOrDefault();
if (pc == null)
{
// add a presentation context for the original transfer syntax
if (cstore.TransferSyntax != null)
{
Add(cstore.SOPClassUID, cstore.TransferSyntax);
}
// then add another for additional transfersyntaxes, if provided by the user,
// and for the mandatory ImplicitVRLittleEndian, if the original file was not implicitLittleEndian
var tx = new List <DicomTransferSyntax>();
if (cstore.AdditionalTransferSyntaxes != null)
{
tx.AddRange(cstore.AdditionalTransferSyntaxes);
}
if (cstore.TransferSyntax != DicomTransferSyntax.ImplicitVRLittleEndian)
{
tx.Add(DicomTransferSyntax.ImplicitVRLittleEndian);
}
if (tx.Any())
{
Add(cstore.SOPClassUID, tx.ToArray());
}
}
}
else
{
if (request.PresentationContext != null)
{
var pc =
_pc.Values.FirstOrDefault(
x =>
x.AbstractSyntax == request.PresentationContext.AbstractSyntax &&
request.PresentationContext.GetTransferSyntaxes().All(y => x.GetTransferSyntaxes().Contains(y)));
if (pc == null)
{
var transferSyntaxes = request.PresentationContext.GetTransferSyntaxes().ToArray();
if (!transferSyntaxes.Any())
{
transferSyntaxes = new[] { DicomTransferSyntax.ImplicitVRLittleEndian };
}
Add(
request.PresentationContext.AbstractSyntax,
request.PresentationContext.UserRole,
request.PresentationContext.ProviderRole,
transferSyntaxes);
}
}
else
{
foreach (var sopclass in MetaSopClasses.GetMetaSopClass(request.SOPClassUID))
{
var pc = _pc.Values.FirstOrDefault(x => x.AbstractSyntax == sopclass);
if (pc == null)
{
Add(sopclass, DicomTransferSyntax.ImplicitVRLittleEndian);
}
}
}
}
}
