private partial IImmutableDictionary <Guid, ReadOnlyMemory <byte> > GetServiceData() =>
args.Advertisement.GetSectionsByType(
BluetoothLEAdvertisementDataTypes.ServiceData16BitUuids
).Concat(scanResponse?.GetSectionsByType(
BluetoothLEAdvertisementDataTypes.ServiceData16BitUuids
) ?? Enumerable.Empty <BluetoothLEAdvertisementDataSection>())
.Select(x => (ReadOnlyMemory <byte>)x.Data.ToArray())
.ToImmutableDictionary(
x => Uuid.From16(ReadUInt16LittleEndian(x.Slice(0, 2).Span)),
x => x.Slice(2)
).AddRange(
args.Advertisement.GetSectionsByType(
BluetoothLEAdvertisementDataTypes.ServiceData32BitUuids
).Concat(scanResponse?.GetSectionsByType(
BluetoothLEAdvertisementDataTypes.ServiceData32BitUuids
) ?? Enumerable.Empty <BluetoothLEAdvertisementDataSection>())
.Select(x => (ReadOnlyMemory <byte>)x.Data.ToArray())
.ToDictionary(
x => Uuid.From32(ReadUInt32LittleEndian(x.Slice(0, 4).Span)),
x => x.Slice(4)
)
).AddRange(
args.Advertisement.GetSectionsByType(
BluetoothLEAdvertisementDataTypes.ServiceData128BitUuids
).Concat(scanResponse?.GetSectionsByType(
BluetoothLEAdvertisementDataTypes.ServiceData128BitUuids
) ?? Enumerable.Empty <BluetoothLEAdvertisementDataSection>())
.Select(x => (ReadOnlyMemory <byte>)x.Data.ToArray())
.ToDictionary(
x => new Guid(x.Slice(0, 16).ToArray()),
x => x.Slice(16)
)
);
