private AssociateRequestPdu GetAssociationRequestPdu()
{
//Logging.Log("Association.GetAssociationRequestPdu");
AssociateRequestPdu pdu = new AssociateRequestPdu(ProtocolDataUnit.Type.A_ASSOCIATE_RQ, scp.Title, scu.Title);
ApplicationContextItem ac = new ApplicationContextItem("1.2.840.10008.3.1.1.1");
pdu.fields.Add(ac);
foreach (ServiceClass service in services)
{
service.PresentationContextId = index;
index += 2;
PresentationContextItem pci = new PresentationContextItem((byte)ItemType.PresentationContextItemRQ, service.PresentationContextId);
pdu.fields.Add(pci);
SyntaxItem abs = new SyntaxItem((byte)ItemType.AbstractSyntaxSubItem, service.SOPClassUId);
pci.fields.Add(abs);
foreach (string syntax in service.Syntaxes)
{
SyntaxItem trx = new SyntaxItem((byte)ItemType.TransferSyntaxSubItem, syntax);
pci.fields.Add(trx);
}
}
UserInfoItem user = new UserInfoItem();
pdu.fields.Add(user);
MaximumLengthItem ml = new MaximumLengthItem(MaxPduSize);
user.fields.Add(ml);
SyntaxItem impl = new SyntaxItem((byte)ItemType.ImplementationClassUidSubItem, "1.2.840.113564.3.2");
user.fields.Add(impl);
AsynchronousOperationsWindowItem operations = new AsynchronousOperationsWindowItem();
user.fields.Add(operations);
foreach (ServiceClass service in services)
{
ScpScuRoleSelectionItem role = new ScpScuRoleSelectionItem(service.SOPClassUId, service.Role);
user.fields.Add(role);
}
SyntaxItem implver = new SyntaxItem((byte)ItemType.ImplementationVersionNameSubItem, "not specified");
user.fields.Add(implver);
return(pdu);
}
public override long Read(Stream stream)
{
long bytes = 0;
if (stream.CanRead)
{
EndianBinaryReader reader = new EndianBinaryReader(stream, Endian.Big);
long start = stream.Position;
base.Read(stream);
byte next = reader.PeekByte();
Item item = null;
while (next > 0x50)
{
switch (next)
{
case (byte)ItemType.MaximumLengthSubItem: // 0x51:
item = new MaximumLengthItem();
break;
case (byte)ItemType.ImplementationClassUidSubItem: // 0x52:
case (byte)ItemType.ImplementationVersionNameSubItem: // 0x55:
item = new SyntaxItem(next);
break;
case (byte)ItemType.AsynchronousOperationsWindowSubItem: // 0x53:
item = new AsynchronousOperationsWindowItem();
break;
case (byte)ItemType.ScuScpRoleSubItem: // 0x54:
item = new ScpScuRoleSelectionItem();
break;
default:
Debug.Assert(false, String.Format("Unknown User Info Item {0}.", next));
break;
}
fields.Add(item);
item.Read(stream);
if (stream.Position >= stream.Length)
{
break;
}
next = reader.PeekByte();
}
if (fields.Count < 1)
{
throw new Exception("Ill-formed User Info Item.");
}
bytes = stream.Position - start;
}
return(bytes);
}