internal void AddPresentationContext(byte pcid, DicomUid abstractSyntax, TransferSyntax transferSyntax, DicomPresContextResult result)
{
_presContexts.Add(pcid, new DicomPresContext(pcid, SopClass.GetSopClass(abstractSyntax.UID), transferSyntax, result));
}
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)
{
SopClass sopClass = SopClass.GetSopClass(sx);
if (sopClass == null)
{
sopClass = new SopClass("Private SOP Class", sx, false);
}
_assoc.AddPresentationContext(id, sopClass);
}
else if (pt == 0x40)
{
TransferSyntax transferSyntax = TransferSyntax.GetTransferSyntax(sx);
if (transferSyntax == null)
{
transferSyntax = new TransferSyntax("Private Syntax", sx, true, false, true, false, false, false);
}
_assoc.AddTransferSyntax(id, transferSyntax);
}
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.RemoteMaximumPduLength = raw.ReadUInt32("Max PDU Length");
}
else if (ut == 0x52)
{
_assoc.ImplementationClass = new DicomUid(raw.ReadString("Implementation Class UID", ul), "Implementation Class UID", UidType.Unknown);
}
else if (ut == 0x53)
{
_assoc.RemoteMaxOperationsInvoked = raw.ReadUInt16("Max Operations Invoked");
_assoc.RemoteMaxOperationsPerformed = raw.ReadUInt16("Max Operations Performed");
}
else if (ut == 0x55)
{
_assoc.ImplementationVersion = raw.ReadString("Implementation Version", ul);
}
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
{
Platform.Log(LogLevel.Error, "Unhandled user item: 0x{0:x2} ({1} + 4 bytes)", ut, ul);
raw.SkipBytes("Unhandled User Item", ul);
}
}
}
}
}
protected override IEnumerable <TransferSyntax> GetProposedTransferSyntaxesForUncompressedObjects(string sopClassUid)
{
List <TransferSyntax> syntaxes;
if (!_sopClassUncompressedProposedTransferSyntaxes.TryGetValue(sopClassUid, out syntaxes))
{
syntaxes = new List <TransferSyntax>();
// Check the ServerSopClass table to see if only implicit LE should be used when handling the sop class
var configuration = new PartitionSopClassConfiguration();
var partitionSopClass = configuration.GetPartitionSopClass(_partition, sopClassUid);
if (partitionSopClass != null)
{
if (partitionSopClass.ImplicitOnly)
{
Platform.Log(LogLevel.Info, "System is being configured to send {0} using Implicit LE.", SopClass.GetSopClass(partitionSopClass.SopClassUid));
}
else
{
syntaxes.Add(TransferSyntax.ExplicitVrLittleEndian);
}
syntaxes.Add(TransferSyntax.ImplicitVrLittleEndian);
}
_sopClassUncompressedProposedTransferSyntaxes.Add(sopClassUid, syntaxes);
}
return(syntaxes);
}
/// <summary>
/// Constructs a deserialization-only DICOM softcopy presentation state object.
/// </summary>
/// <param name="psSopClass">The SOP class of this type of softcopy presentation state.</param>
/// <param name="dicomFile">The presentation state file.</param>
protected DicomSoftcopyPresentationState(SopClass psSopClass, DicomFile dicomFile)
{
if (dicomFile.MediaStorageSopClassUid != psSopClass.Uid)
{
string message = string.Format("Expected: {0}; Found: {1}", psSopClass, SopClass.GetSopClass(dicomFile.MediaStorageSopClassUid));
throw new ArgumentException("The specified DICOM file is not of a compatible SOP Class. " + message, "dicomFile");
}
_presentationSopClass = psSopClass;
_dicomFile = dicomFile;
_serialized = true;
_sourceAETitle = _dicomFile.SourceApplicationEntityTitle;
_stationName = _dicomFile.DataSet[DicomTags.StationName].ToString();
_institution = Institution.GetInstitution(_dicomFile);
_manufacturer = _dicomFile.DataSet[DicomTags.Manufacturer].ToString();
_manufacturersModelName = _dicomFile.DataSet[DicomTags.ManufacturersModelName].ToString();
_deviceSerialNumber = _dicomFile.DataSet[DicomTags.DeviceSerialNumber].ToString();
_softwareVersions = _dicomFile.DataSet[DicomTags.SoftwareVersions].ToString();
_presentationInstanceNumber = _dicomFile.DataSet[DicomTags.InstanceNumber].GetInt32(0, 0);
_presentationSopInstanceUid = _dicomFile.DataSet[DicomTags.SopInstanceUid].ToString();
_presentationSeriesDateTime = DateTimeParser.ParseDateAndTime(_dicomFile.DataSet, 0, DicomTags.SeriesDate, DicomTags.SeriesTime);
_presentationSeriesNumber = GetNullableInt32(_dicomFile.DataSet[DicomTags.SeriesNumber], 0);
_presentationSeriesInstanceUid = _dicomFile.DataSet[DicomTags.SeriesInstanceUid].ToString();
_presentationLabel = _dicomFile.DataSet[DicomTags.ContentLabel].ToString();
}
public InstanceXml(XmlNode instanceNode, DicomAttributeCollection baseCollection)
{
InstanceXmlDicomAttributeCollection thisCollection = new InstanceXmlDicomAttributeCollection();
_collection = thisCollection;
_collection.ValidateVrValues = false;
_collection.ValidateVrLengths = false;
if (baseCollection != null)
{
AddExcludedTagsFromBase(baseCollection);
_baseCollectionEnumerator = baseCollection.GetEnumerator();
if (!_baseCollectionEnumerator.MoveNext())
{
_baseCollectionEnumerator = null;
}
}
if (!instanceNode.HasChildNodes)
{
return;
}
_instanceXmlEnumerator = instanceNode.ChildNodes.GetEnumerator();
if (!_instanceXmlEnumerator.MoveNext())
{
_instanceXmlEnumerator = null;
}
if (instanceNode.Attributes["UID"] != null)
{
_sopInstanceUid = instanceNode.Attributes["UID"].Value;
}
if (instanceNode.Attributes["SourceAETitle"] != null)
{
_sourceAETitle = XmlUnescapeString(instanceNode.Attributes["SourceAETitle"].Value);
}
if (instanceNode.Attributes["SopClassUID"] != null)
{
_sopClass = SopClass.GetSopClass(instanceNode.Attributes["SopClassUID"].Value);
}
_transferSyntax = instanceNode.Attributes["TransferSyntaxUID"] != null
? TransferSyntax.GetTransferSyntax(instanceNode.Attributes["TransferSyntaxUID"].Value)
: TransferSyntax.ExplicitVrLittleEndian;
if (instanceNode.Attributes["SourceFileName"] != null)
{
_sourceFileName = instanceNode.Attributes["SourceFileName"].Value;
}
if (instanceNode.Attributes["FileSize"] != null)
{
long.TryParse(instanceNode.Attributes["FileSize"].Value, out _fileSize);
}
// This should never happen
if (_sopClass == null)
{
_sopClass = SopClass.GetSopClass(Collection[DicomTags.SopClassUid].GetString(0, String.Empty));
}
}