Add pragmas

Author: wtgodbe

src/Servers/Kestrel/Core/src/Internal/HttpConnection.cs

@@ -70,8 +70,10 @@ public async Task ProcessRequestsAsync<TContext>(IHttpApplication<TContext> http
                         requestProcessor = new Http2Connection((HttpConnectionContext)_context);
                         _protocolSelectionState = ProtocolSelectionState.Selected;
                         break;
+#pragma warning disable CA2252 // Preview Features
                     case HttpProtocols.Http3:
                         requestProcessor = new Http3Connection((HttpMultiplexedConnectionContext)_context);
+#pragma warning restore CA2252
                         _protocolSelectionState = ProtocolSelectionState.Selected;
                         break;
                     case HttpProtocols.None:
@@ -205,7 +207,9 @@ private HttpProtocols SelectProtocol()
             var isMultiplexTransport = _context is HttpMultiplexedConnectionContext;
             var http1Enabled = _context.Protocols.HasFlag(HttpProtocols.Http1);
             var http2Enabled = _context.Protocols.HasFlag(HttpProtocols.Http2);
+#pragma warning disable CA2252 // Preview Features
             var http3Enabled = _context.Protocols.HasFlag(HttpProtocols.Http3);
+#pragma warning restore CA2252
 
             string? error = null;
 

src/Servers/Kestrel/Core/src/Internal/KestrelServerImpl.cs

@@ -168,7 +168,9 @@ async Task OnBind(ListenOptions options, CancellationToken onBindCancellationTok
                 {
                     var hasHttp1 = options.Protocols.HasFlag(HttpProtocols.Http1);
                     var hasHttp2 = options.Protocols.HasFlag(HttpProtocols.Http2);
+#pragma warning disable CA2252 // Preview Features
                     var hasHttp3 = options.Protocols.HasFlag(HttpProtocols.Http3);
+#pragma warning restore CA2252
                     var hasTls = options.IsTls;
 
                     // Filter out invalid combinations.

src/Servers/Kestrel/Core/src/ListenOptionsHttpsExtensions.cs

@@ -256,10 +256,12 @@ public static ListenOptions UseHttps(this ListenOptions listenOptions, ServerOpt
         /// <returns>The <see cref="ListenOptions"/>.</returns>
         public static ListenOptions UseHttps(this ListenOptions listenOptions, ServerOptionsSelectionCallback serverOptionsSelectionCallback, object state, TimeSpan handshakeTimeout)
         {
+#pragma warning disable CA2252 // Preview Features
             if (listenOptions.Protocols.HasFlag(HttpProtocols.Http3))
             {
                 throw new NotSupportedException($"{nameof(UseHttps)} with {nameof(ServerOptionsSelectionCallback)} is not supported with HTTP/3.");
             }
+#pragma warning restore CA2252
             return listenOptions.UseHttps(new TlsHandshakeCallbackOptions()
             {
                 OnConnection = context => serverOptionsSelectionCallback(context.SslStream, context.ClientHelloInfo, context.State, context.CancellationToken),
@@ -287,10 +289,12 @@ public static ListenOptions UseHttps(this ListenOptions listenOptions, TlsHandsh
                 throw new ArgumentException($"{nameof(TlsHandshakeCallbackOptions.OnConnection)} must not be null.");
             }
 
+#pragma warning disable CA2252 // Preview Features
             if (listenOptions.Protocols.HasFlag(HttpProtocols.Http3))
             {
                 throw new NotSupportedException($"{nameof(UseHttps)} with {nameof(TlsHandshakeCallbackOptions)} is not supported with HTTP/3.");
             }
+#pragma warning restore CA2252
 
             var loggerFactory = listenOptions.KestrelServerOptions?.ApplicationServices.GetRequiredService<ILoggerFactory>() ?? NullLoggerFactory.Instance;
 

src/Servers/Kestrel/Transport.Quic/src/Microsoft.AspNetCore.Server.Kestrel.Transport.Quic.csproj

@@ -7,9 +7,10 @@
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;kestrel</PackageTags>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <NoWarn>CA1416;CS1591;CS0436;$(NoWarn)</NoWarn><!-- Conflicts between internal and public Quic APIs; Platform support warnings. -->
+    <NoWarn>CA1416;CS1591;CS0436;$(NoWarn)</NoWarn> <!-- Conflicts between internal and public Quic APIs; Platform support warnings. -->
     <IsPackable>false</IsPackable>
     <Nullable>enable</Nullable>
+    <EnablePreviewFeatures>True</EnablePreviewFeatures> <!-- System.Net.Quic is still in preview -->
   </PropertyGroup>
 
   <ItemGroup>