|
public AddPresentationContext ( |
||
| abstractSyntax | ||
| return | byte | |
protected override void OnConnected()
{
DcmAssociate associate = new DcmAssociate();
byte pcid = associate.AddPresentationContext(DicomUID.VerificationSOPClass);
associate.AddTransferSyntax(pcid, DicomTransferSyntax.ImplicitVRLittleEndian);
associate.CalledAE = CalledAE;
associate.CallingAE = CallingAE;
associate.MaximumPduLength = MaxPduSize;
SendAssociateRequest(associate);
}
/// <summary>
/// Reads A-ASSOCIATE-RQ from PDU buffer
/// </summary>
/// <param name="raw">PDU buffer</param>
public void Read(RawPDU raw)
{
uint l = raw.Length;
raw.ReadUInt16("Version");
raw.SkipBytes("Reserved", 2);
_assoc.CalledAE = raw.ReadString("Called AE", 16);
_assoc.CallingAE = raw.ReadString("Calling AE", 16);
raw.SkipBytes("Reserved", 32);
l -= 2 + 2 + 16 + 16 + 32;
while (l > 0)
{
byte type = raw.ReadByte("Item-Type");
raw.SkipBytes("Reserved", 1);
ushort il = raw.ReadUInt16("Item-Length");
l -= 4 + (uint)il;
if (type == 0x10)
{
// Application Context
raw.SkipBytes("Application Context", il);
}
else
if (type == 0x20)
{
// Presentation Context
byte id = raw.ReadByte("Presentation Context ID");
raw.SkipBytes("Reserved", 3);
il -= 4;
while (il > 0)
{
byte pt = raw.ReadByte("Presentation Context Item-Type");
raw.SkipBytes("Reserved", 1);
ushort pl = raw.ReadUInt16("Presentation Context Item-Length");
string sx = raw.ReadString("Presentation Context Syntax UID", pl);
if (pt == 0x30)
{
_assoc.AddPresentationContext(id, DicomUID.Lookup(sx));
}
else if (pt == 0x40)
{
_assoc.AddTransferSyntax(id, DicomTransferSyntax.Lookup(sx));
}
il -= (ushort)(4 + pl);
}
}
else
if (type == 0x50)
{
// User Information
while (il > 0)
{
byte ut = raw.ReadByte("User Information Item-Type");
raw.SkipBytes("Reserved", 1);
ushort ul = raw.ReadUInt16("User Information Item-Length");
il -= (ushort)(4 + ul);
if (ut == 0x51)
{
_assoc.MaximumPduLength = raw.ReadUInt32("Max PDU Length");
}
else if (ut == 0x52)
{
_assoc.ImplementationClass = new DicomUID(raw.ReadString("Implementation Class UID", ul), "Implementation Class UID", DicomUidType.Unknown);
}
else if (ut == 0x55)
{
_assoc.ImplementationVersion = raw.ReadString("Implementation Version", ul);
}
else if (ut == 0x53)
{
_assoc.AsyncOpsInvoked = raw.ReadUInt16("Asynchronous Operations Invoked");
_assoc.AsyncOpsPerformed = raw.ReadUInt16("Asynchronous Operations Performed");
}
else if (ut == 0x54)
{
raw.SkipBytes("SCU/SCP Role Selection", ul);
/*
* ushort rsul = raw.ReadUInt16();
* if ((rsul + 4) != ul) {
* throw new DicomNetworkException("SCU/SCP role selection length (" + ul + " bytes) does not match uid length (" + rsul + " + 4 bytes)");
* }
* raw.ReadChars(rsul); // Abstract Syntax
* raw.ReadByte(); // SCU role
* raw.ReadByte(); // SCP role
*/
}
else
{
Debug.Log.Error("Unhandled user item: 0x{0:x2} ({1} + 4 bytes)", ut, ul);
raw.SkipBytes("Unhandled User Item", ul);
}
}
}
}
}
protected override void OnConnected()
{
DcmAssociate associate = new DcmAssociate();
byte pcid = associate.AddPresentationContext(DicomUID.PrinterSOPClass);
associate.AddTransferSyntax(pcid, DicomTransferSyntax.ExplicitVRLittleEndian);
associate.AddTransferSyntax(pcid, DicomTransferSyntax.ImplicitVRLittleEndian);
pcid = associate.AddPresentationContext(DicomUID.BasicGrayscalePrintManagementMetaSOPClass);
associate.AddTransferSyntax(pcid, DicomTransferSyntax.ExplicitVRLittleEndian);
associate.AddTransferSyntax(pcid, DicomTransferSyntax.ImplicitVRLittleEndian);
pcid = associate.AddPresentationContext(DicomUID.BasicColorPrintManagementMetaSOPClass);
associate.AddTransferSyntax(pcid, DicomTransferSyntax.ExplicitVRLittleEndian);
associate.AddTransferSyntax(pcid, DicomTransferSyntax.ImplicitVRLittleEndian);
associate.CalledAE = CalledAE;
associate.CallingAE = CallingAE;
associate.MaximumPduLength = MaxPduSize;
SendAssociateRequest(associate);
}