✨ Add a protobuf serializer for UInt128.

src/Directory.Build.targets

@@ -28,6 +28,7 @@
 		<PackageReference Update="Microsoft.Extensions.Options" Version="9.0.0" />
 		<PackageReference Update="Microsoft.Management.Infrastructure" Version="3.0.0" />
 		<PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+		<PackageReference Update="protobuf-net" Version="3.2.46" />
 		<PackageReference Update="protobuf-net.Grpc" Version="1.2.2" />
 		<PackageReference Update="protobuf-net.Grpc.AspNetCore" Version="1.2.2" />
 		<PackageReference Update="Serilog.AspNetCore" Version="9.0.0" />

src/Exo/Service/Exo.Service.Grpc/GrpcConvert.cs

@@ -174,6 +174,7 @@ public static GrpcMonitorShape ToGrpc(this MonitorShape shape)
 	public static GrpcImageInformation ToGrpc(this ImageInformation imageInformation)
 		=> new()
 		{
+			ImageId = imageInformation.ImageId,
 			ImageName = imageInformation.ImageName,
 			FileName = imageInformation.FileName,
 			Width = imageInformation.Width,

src/Exo/Service/Exo.Service/Program.cs

@@ -1,6 +1,7 @@
 using System.IO.Pipes;
 using System.Security.AccessControl;
 using System.Security.Principal;
+using Exo.Contracts.Ui;
 using Exo.Programming;
 using Exo.Utils;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
@@ -28,6 +29,8 @@ public static void Main(string[] args)
 			metaType.Add(3, nameof(NamedElement.Comment));
 		}
 
+		RuntimeTypeModel.Default.Add<UInt128>(false).SerializerType = typeof(UInt128Serializer);
+
 		CreateHostBuilder(args).Build().Run();
 	}
 

src/Exo/Ui/Exo.Contracts.Ui.Settings/Exo.Contracts.Ui.Settings.csproj

@@ -16,6 +16,7 @@
 	</ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="protobuf-net" />
     <PackageReference Include="protobuf-net.Grpc" />
   </ItemGroup>
 

src/Exo/Ui/Exo.Contracts.Ui.Settings/ImageInformation.cs

@@ -6,17 +6,20 @@ namespace Exo.Contracts.Ui.Settings;
 [DataContract]
 public sealed class ImageInformation
 {
-	// NB: Image name is used as a public-facing unique key, but the images will internally use another index.
+	// The ImageId is used to reference the image internally.
 	[DataMember(Order = 1)]
-	public required string ImageName { get; init; }
+	public required UInt128 ImageId { get; init; }
+	// NB: Image name is used as a public-facing unique key, but the images will internally use ImageId.
 	[DataMember(Order = 2)]
-	public required string FileName { get; init; }
+	public required string ImageName { get; init; }
 	[DataMember(Order = 3)]
-	public required ushort Width { get; init; }
+	public required string FileName { get; init; }
 	[DataMember(Order = 4)]
-	public required ushort Height { get; init; }
+	public required ushort Width { get; init; }
 	[DataMember(Order = 5)]
-	public required ImageFormat Format { get; init; }
+	public required ushort Height { get; init; }
 	[DataMember(Order = 6)]
+	public required ImageFormat Format { get; init; }
+	[DataMember(Order = 7)]
 	public bool IsAnimated { get; init; }
 }

src/Exo/Ui/Exo.Contracts.Ui.Settings/UInt128Serializer.cs

@@ -0,0 +1,26 @@
+using System.Buffers.Binary;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using ProtoBuf;
+using ProtoBuf.Serializers;
+
+namespace Exo.Contracts.Ui;
+
+internal class UInt128Serializer : ISerializer<UInt128>
+{
+	public SerializerFeatures Features => SerializerFeatures.CategoryRepeated | SerializerFeatures.CategoryScalar | SerializerFeatures.WireTypeString;
+
+	public UInt128 Read(ref ProtoReader.State state, UInt128 value)
+	{
+		Unsafe.SkipInit(out value);
+		var result = state.ReadBytes(MemoryMarshal.Cast<UInt128, byte>(MemoryMarshal.CreateSpan(ref value, 1)));
+		if (result.Length != Unsafe.SizeOf<UInt128>()) throw new InvalidDataException();
+		return BitConverter.IsLittleEndian ? value : BinaryPrimitives.ReverseEndianness(value);
+	}
+
+	public void Write(ref ProtoWriter.State state, UInt128 value)
+	{
+		if (!BitConverter.IsLittleEndian) value = BinaryPrimitives.ReverseEndianness(value);
+		state.WriteBytes(MemoryMarshal.Cast<UInt128, byte>(MemoryMarshal.CreateSpan(ref value, 1)));
+	}
+}

src/Exo/Ui/Exo.Settings.Ui/App.xaml.cs

@@ -27,6 +27,7 @@
 using Windows.Storage;
 using System.Collections.Immutable;
 using Exo.Ui;
+using Exo.Contracts.Ui;
 
 namespace Exo.Settings.Ui;
 
@@ -56,6 +57,8 @@ public App()
 			metaType.Add(3, nameof(NamedElement.Comment));
 		}
 
+		RuntimeTypeModel.Default.Add<UInt128>(false).SerializerType = typeof(UInt128Serializer);
+
 		GrpcClientFactory.AllowUnencryptedHttp2 = true;
 
 		_rasterizationScaleController = new();