static Guid _GetPrimaryServiceClassId(ServiceRecord sr)
{
var a = sr.GetAttributeById(UniversalAttributeId.ServiceClassIdList);
var eL = a.Value;
var eClassList = eL.GetValueAsElementList();
var e0 = eClassList[0];
var classId = e0.GetValueAsUuid();
return(classId);
}
static ServiceElement GetChannelElement(ServiceRecord record, BluetoothProtocolDescriptorType proto)
{
if (!record.Contains(UniversalAttributeId.ProtocolDescriptorList))
{
goto NotFound;
}
ServiceAttribute attr = record.GetAttributeById(UniversalAttributeId.ProtocolDescriptorList);
bool?isSimpleRfcomm;
return(GetChannelElement(attr, proto, out isSimpleRfcomm));
NotFound:
return(null);
}
/// <summary>
/// Get a list of enum-like classes containing Service Attribute Id definitions
/// for the type of the Service Class contained in the given Service Record.
/// </summary>
/// -
/// <param name="record">A <see cref="T:InTheHand.Net.Bluetooth.ServiceRecord"/>
/// whose <see cref="F:InTheHand.Net.Bluetooth.AttributeIds.UniversalAttributeId.ServiceClassIdList"/>
/// element will be retrieved, and its Service Class Id will used
/// for the lookup.
/// </param>
/// -
/// <returns>
/// An array of <see cref="T:System.Type"/> each of which is a enum-like class
/// which defines the set of Service Attribute IDs used by a particular
/// Service Class e.g. ObjectPushProfile.
/// An empty array will be returned if none of the Service Classes
/// are known, or the record contains no
/// <see cref="F:InTheHand.Net.Bluetooth.AttributeIds.UniversalAttributeId.ServiceClassIdList"/>
/// attribute, or it is invalid.
/// <note>Currently only the first Service Class Id is looked-up.</note>
/// </returns>
/// -
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="record"/> is null.
/// </exception>
public Type[] GetAttributeIdEnumTypes(ServiceRecord record)
{
if (record == null)
{
throw new ArgumentNullException("record");
}
//
ServiceAttribute attr;
try {
attr = record.GetAttributeById(UniversalAttributeId.ServiceClassIdList);
} catch (System.Collections.Generic.KeyNotFoundException ex) {
System.Diagnostics.Debug.Assert(ex.Message == ServiceRecord.ErrorMsgNoAttributeWithId);
goto InvalidRecord;
}
ServiceElement element = attr.Value;
if (element.ElementType != ElementType.ElementSequence)
{
goto InvalidRecord;
}
ServiceElement[] idElements = element.GetValueAsElementArray();
//TODO ((GetServiceClassSpecificAttributeIdEnumDefiningType--foreach (ServiceElement curIdElem in idElements) {))
if (idElements.Length != 0)
{
ServiceElement curIdElem = idElements[0];
Type enumType = GetAttributeIdEnumType(curIdElem);
if (enumType != null)
{
return(new Type[] { enumType });
}
}//else fall through...
// None-matched, or invalid attribute format etc.
InvalidRecord:
return(new Type[0]);
}