protected override BluetopiaError AddAttribute(Structs.SDP_Data_Element__Class eNotNative)
{
uint?hSR; ServiceAttributeId attrId;
base.GetRecordAttrInfo(out hSR, out attrId);
#pragma warning disable 618 // Obsolete
var ret = _fcty.Api.SDP_Add_Attribute(_fcty.StackId, hSR.Value,
unchecked ((ushort)attrId), eNotNative);
#pragma warning restore 618 // Obsolete
return(ret);
}
//----
#region Hold Element state
private void SetCurElement(Structs.SDP_Data_Element__Class e)
{
if (_seqAltStack.Count != 0)
{
Debug.Assert(_element == null, "(overwrite???!)");
_seqAltStack.Peek().SeqAltChildren.Add(e);
}
else
{
Debug.Assert(_element == null, "overwrite!!!");
this._element = e;
}
}
protected virtual BluetopiaError AddAttribute(Structs.SDP_Data_Element__Class eNotNative)
{
Structs.SDP_Data_Element__Struct e;
var toFree = new List <IntPtr>();
try {
ConvertToNativeStructs(eNotNative, out e, toFree);
var ret = _fcty.Api.SDP_Add_Attribute(_fcty.StackId, _hSR.Value,
unchecked ((ushort)this._attrId), ref e);
return(ret);
} finally {
foreach (var p in toFree)
{
Marshal.FreeHGlobal(p);
}
}
}
//----
protected sealed override void WriteAttribute(ServiceAttribute attr, byte[] buffer, ref int offset)
{
bool doneKnown = WriteWellKnownAttribute(attr);
if (doneKnown)
{
return;
}
//
base.WriteAttribute(attr, buffer, ref offset);
//
var e = _element;
var ret = AddAttribute(e);
BluetopiaUtils.CheckAndThrow(ret, "SDP_Add_Attribute");
_element = null;
}
BluetopiaError IBluetopiaApi.SDP_Add_Attribute(uint BluetoothStackID, uint Service_Record_Handle,
ushort Attribute_ID, Structs.SDP_Data_Element__Class SDP_Data_Element)
{
throw new NotSupportedException();
}
private void ConvertToNativeStructs(Structs.SDP_Data_Element__Class eNotNative,
out Structs.SDP_Data_Element__Struct e,
List <IntPtr> toFree)
{
var eEa = eNotNative as Structs.SDP_Data_Element__Class_ElementArray;
if (eEa != null)
{
Debug.Assert(eEa.SDP_Data_Element_Length == eEa.elementArray.Length);
var newEa = new Structs.SDP_Data_Element__Struct[eEa.SDP_Data_Element_Length];
for (int i = 0; i < newEa.Length; ++i)
{
ConvertToNativeStructs(eEa.elementArray[i], out newEa[i], toFree);
}
var p = CopyArrayToHGlobal(newEa, toFree);
byte[] addrArr = PointerAsBytes(p);
e = new Structs.SDP_Data_Element__Struct(eEa.SDP_Data_Element_Type,
eEa.SDP_Data_Element_Length, addrArr);
}
else
{
var eIba = eNotNative as Structs.SDP_Data_Element__Class_InlineByteArray;
if (eIba != null)
{
e = new Structs.SDP_Data_Element__Struct(eIba.SDP_Data_Element_Type,
eNotNative.SDP_Data_Element_Length, eIba._elementValue);
Debug.Assert(eNotNative.SDP_Data_Element_Type == e.SDP_Data_Element_Type);
Debug.Assert(eNotNative.SDP_Data_Element_Length == e.SDP_Data_Element_Length);
Debug.Assert(eIba._elementValue.Length == e._content.Length);
if (eIba._elementValue.Length != 0)
{
Debug.Assert(eIba._elementValue[0] == e._content[0]);
Debug.Assert(eIba._elementValue[eIba._elementValue.Length - 1]
== e._content[e._content.Length - 1]);
}
}
else
{
var eNiBA = eNotNative as Structs.SDP_Data_Element__Class_NonInlineByteArray;
if (eNiBA != null)
{
int len = checked ((int)eNiBA.SDP_Data_Element_Length);
var p = Marshal.AllocHGlobal(len);
Debug.Assert(eNiBA._elementValue.Length == eNiBA.SDP_Data_Element_Length);
Marshal.Copy(eNiBA._elementValue, 0, p, len);
byte[] addrArr = PointerAsBytes(p);
e = new Structs.SDP_Data_Element__Struct(eNiBA.SDP_Data_Element_Type,
eNiBA.SDP_Data_Element_Length, addrArr);
Debug.Assert(eNotNative.SDP_Data_Element_Type == e.SDP_Data_Element_Type);
Debug.Assert(eNotNative.SDP_Data_Element_Length == e.SDP_Data_Element_Length);
Debug.Assert(eNiBA._elementValue.Length == e.SDP_Data_Element_Length);
if (eNiBA._elementValue.Length != 0)
{
Debug.Assert(eNiBA._elementValue[0] == Marshal.ReadByte(p, 0));
Debug.Assert(eNiBA._elementValue[eNiBA._elementValue.Length - 1]
== Marshal.ReadByte(p, checked ((int)e.SDP_Data_Element_Length) - 1));
}
}
else
{
throw new InvalidOperationException("Unknown type.");
}
}
}
}
public SdpServiceExpectedCall(UInt16 attrId,
Structs.SDP_Data_Element__Class element)
{
this.attrId = attrId;
this.element = element;
}
