public void DoAssociateRequest(CFindClient client, DicomAssociate association)
{
using (DicomAssociate retAssociate = new DicomAssociate(false))
{
if (retAssociate == null)
{
client.SendAssociateReject(DicomAssociateRejectResultType.Permanent,
DicomAssociateRejectSourceType.Provider1,
DicomAssociateRejectReasonType.Application);
return;
}
retAssociate.MaxLength = 46726;
retAssociate.Version = 1;
retAssociate.Called = (CalledAE == null) ? association.Called : CalledAE;
retAssociate.Calling = (CallingAE == null) ? association.Calling : CallingAE;
retAssociate.ApplicationContextName = (string)DicomUidType.ApplicationContextName;
for (int i = 0; i < association.PresentationContextCount; i++)
{
byte id = association.GetPresentationContextID(i);
string abstractSyntax = association.GetAbstract(id);
retAssociate.AddPresentationContext(id, DicomAssociateAcceptResultType.Success, abstractSyntax);
if (IsSupported(abstractSyntax))
{
for (int j = 0; j < association.GetTransferCount(id); j++)
{
string transferSyntax = association.GetTransfer(id, j);
if (IsSupported(transferSyntax))
{
retAssociate.AddTransfer(id, transferSyntax);
break;
}
}
if (retAssociate.GetTransferCount(id) == 0)
{
//
// Presentation id doesn't have any abstract
// syntaxes therefore we will reject it.
//
retAssociate.SetResult(id, DicomAssociateAcceptResultType.AbstractSyntax);
}
}
else
{
retAssociate.SetResult(id, DicomAssociateAcceptResultType.AbstractSyntax);
}
}
if (association.MaxLength != 0)
{
retAssociate.MaxLength = association.MaxLength;
}
retAssociate.ImplementClass = ImplementationClass;
retAssociate.ImplementationVersionName = ImplementationVersionName;
client.SendAssociateAccept(retAssociate);
}
}
public DicomAssociate BuildAssociation(string CalledTitle, string CallingTitle)
{
PresentationContextCollection contexts = GetPresentationContext();
DicomAssociate association = new DicomAssociate(true);
association.Called = CalledTitle;
association.Calling = CallingTitle;
association.MaxLength = 46726;
association.ImplementClass = ImplementationClass;
byte pid = 1;
bool addedImplicitVRLittleEndian = false;
if (PresentationContextType == 0)
{
// One presentation context contains all transfer syntaxes
foreach (PresentationContext pc in contexts)
{
association.AddPresentationContext(pid, 0, pc.AbstractSyntax);
addedImplicitVRLittleEndian = false;
foreach (string transfersyntax in pc.TransferSyntaxList)
{
association.AddTransfer(pid, transfersyntax);
if (transfersyntax == DicomUidType.ImplicitVRLittleEndian)
{
addedImplicitVRLittleEndian = true;
}
}
if (!addedImplicitVRLittleEndian)
{
association.AddTransfer(pid, DicomUidType.ImplicitVRLittleEndian);
}
pid += 2;
}
}
else
{
// Separate presentation context for each transfer syntax
foreach (PresentationContext pc in contexts)
{
addedImplicitVRLittleEndian = false;
foreach (string transfersyntax in pc.TransferSyntaxList)
{
association.AddPresentationContext(pid, 0, pc.AbstractSyntax);
association.AddTransfer(pid, transfersyntax);
if (transfersyntax == DicomUidType.ImplicitVRLittleEndian)
{
addedImplicitVRLittleEndian = true;
}
pid += 2;
}
if (!addedImplicitVRLittleEndian)
{
association.AddPresentationContext(pid, 0, pc.AbstractSyntax);
association.AddTransfer(pid, DicomUidType.ImplicitVRLittleEndian);
pid += 2;
}
}
}
return(association);
}
/*
* Performs an Association request
*/
public void DoAssociateRequest(Client client, DicomAssociate association)
{
mf.Log("Client Name: " + association.Calling + " -- Receiving Associate Request.\r\n");
// Check association
if (association == null)
{
client.SendAssociateReject(DicomAssociateRejectResultType.Permanent, DicomAssociateRejectSourceType.Provider1, DicomAssociateRejectReasonType.Application);
mf.Log("Client Name: " + association.Calling + " -- Failed in accepting the connection (Associate was null)!\r\nSending associate reject!\r\n");
return;
}
// Check version
if (association.Version != 1)
{
client.SendAssociateReject(DicomAssociateRejectResultType.Permanent, DicomAssociateRejectSourceType.Provider1, DicomAssociateRejectReasonType.Version);
mf.Log("Client Name: " + association.Calling + " -- Failed in accepting the connection (Version Not supported)!\r\nSending associate reject!\r\n");
return;
}
// Make sure that the client is supported
if (!VerifyUserName(association.Calling))
{
client.SendAssociateReject(DicomAssociateRejectResultType.Permanent, DicomAssociateRejectSourceType.User, DicomAssociateRejectReasonType.Calling);
mf.Log("Client Name: " + association.Calling + " -- Failed in accepting the connection (Not a valid client name)!\r\nSending associate reject!\r\n");
return;
}
// Check the Called AE title (SCP)
if (association.Called != CalledAE)
{
client.SendAssociateReject(DicomAssociateRejectResultType.Permanent, DicomAssociateRejectSourceType.User, DicomAssociateRejectReasonType.Called);
mf.Log("Client Name: " + association.Calling + " -- Failed in accepting the connection (Server names are not the same)!\r\n Sending associate reject!\r\n");
return;
}
// Send association back
using (DicomAssociate retAssociate = new DicomAssociate(false))
{
retAssociate.MaxLength = 46726;
retAssociate.Version = 1;
retAssociate.Called = CalledAE;
retAssociate.Calling = (CallingAE == null) ? association.Calling : CallingAE;
retAssociate.ApplicationContextName = (string)DicomUidType.ApplicationContextName;
for (int i = 0; i < association.PresentationContextCount; i++)
{
byte id = association.GetPresentationContextID(i);
string abstractSyntax = association.GetAbstract(id);
retAssociate.AddPresentationContext(id, DicomAssociateAcceptResultType.Success, abstractSyntax);
if (IsSupported(abstractSyntax))
{
for (int j = 0; j < association.GetTransferCount(id); j++)
{
string transferSyntax = association.GetTransfer(id, j);
if (IsSupported(transferSyntax))
{
retAssociate.AddTransfer(id, transferSyntax);
break;
}
}
if (retAssociate.GetTransferCount(id) == 0)
{
// Presentation id doesn't have any abstract syntaxes therefore we will reject it.
retAssociate.SetResult(id, DicomAssociateAcceptResultType.AbstractSyntax);
}
}
else
{
retAssociate.SetResult(id, DicomAssociateAcceptResultType.AbstractSyntax);
}
}
if (association.MaxLength != 0)
{
retAssociate.MaxLength = association.MaxLength;
}
retAssociate.ImplementClass = ImplementationClass;
retAssociate.ImplementationVersionName = ImplementationVersionName;
client.SendAssociateAccept(retAssociate);
mf.Log("Client Name: " + association.Calling + " -- Sending Associate Accept.\r\n");
}
}