ManagedQuicListener: API shape and basic compilation fixes

src/libraries/System.Net.Quic/src/System.Net.Quic.csproj

@@ -22,7 +22,6 @@
   <!-- Source files -->
   <ItemGroup Condition="'$(TargetPlatformIdentifier)' != ''">
     <Compile Include="System\Net\Quic\**\*.cs" Exclude="System\Net\Quic\*.Unsupported.cs"/>
-    <Compile Remove="System\Net\Quic\Implementations\Managed\**\*.cs" />
     <!-- System.Net common -->
     <Compile Include="$(CommonPath)DisableRuntimeMarshalling.cs" Link="Common\DisableRuntimeMarshalling.cs" />
     <Compile Include="$(CommonPath)System\Net\ArrayBuffer.cs" Link="Common\System\Net\ArrayBuffer.cs" />
@@ -41,7 +40,6 @@
   <!-- Unsupported platforms -->
   <ItemGroup Condition="'$(TargetPlatformIdentifier)' == ''">
     <Compile Include="System\Net\Quic\*.Unsupported.cs" />
-    <Compile Remove="System\Net\Quic\Implementations\Managed\**\*.cs" />
     <!-- [ActiveIssue("https://github.com/dotnet/runtime/issues/71559")]: PNSE generator cannot handle required keyword, so excluding affected classes in ExcludeApiList.PNSE.txt and including real code for now. -->
     <Compile Include="System\Net\Quic\QuicListenerOptions.cs" />
     <Compile Include="System\Net\Quic\QuicConnectionOptions.cs" />
@@ -108,6 +106,7 @@
     <Reference Include="Microsoft.Win32.Primitives" />
     <Reference Include="System.Collections" />
     <Reference Include="System.Collections.Concurrent" />
+    <Reference Include="System.Collections.Immutable" />
     <Reference Include="System.Collections.NonGeneric" />
     <Reference Include="System.Console" Condition="'$(Configuration)' == 'Debug'" />
     <Reference Include="System.Diagnostics.Tracing" />
@@ -119,6 +118,7 @@
     <Reference Include="System.Runtime" />
     <Reference Include="System.Runtime.InteropServices" />
     <Reference Include="System.Security.Cryptography" />
+    <Reference Include="System.Text.Json" />
     <Reference Include="System.Threading" />
     <Reference Include="System.Threading.Channels" />
   </ItemGroup>

src/libraries/System.Net.Quic/src/System/Net/Quic/Implementations/Managed/ManagedQuicConnection.Frames.cs

@@ -12,7 +12,7 @@
 
 namespace System.Net.Quic.Implementations.Managed
 {
-    internal partial class ManagedQuicConnection
+    public partial class ManagedQuicConnection
     {
         /// <summary>
         ///     Returns true if the frame type requires receiver to sent acknowledgement before the maximum ack delay.

src/libraries/System.Net.Quic/src/System/Net/Quic/Implementations/Managed/ManagedQuicConnection.Packets.cs

@@ -9,7 +9,7 @@
 
 namespace System.Net.Quic.Implementations.Managed
 {
-    internal sealed partial class ManagedQuicConnection
+    public sealed partial class ManagedQuicConnection
     {
         /// <summary>
         ///     Current value of the key phase bit for key update detection.

src/libraries/System.Net.Quic/src/System/Net/Quic/Implementations/Managed/ManagedQuicConnection.Recovery.cs

@@ -7,7 +7,7 @@
 
 namespace System.Net.Quic.Implementations.Managed
 {
-    internal partial class ManagedQuicConnection
+    public partial class ManagedQuicConnection
     {
         /// <summary>
         ///     Marks the connection data sent in the packet as acknowledged.

src/libraries/System.Net.Quic/src/System/Net/Quic/Implementations/Managed/ManagedQuicConnection.Stream.cs

@@ -10,7 +10,7 @@
 
 namespace System.Net.Quic.Implementations.Managed
 {
-    internal partial class ManagedQuicConnection
+    public partial class ManagedQuicConnection
     {
         private struct ConnectionFlowControlLimits
         {

src/libraries/System.Net.Quic/src/System/Net/Quic/Implementations/Managed/ManagedQuicConnection.cs

@@ -23,7 +23,7 @@
 
 namespace System.Net.Quic.Implementations.Managed
 {
-    internal sealed partial class ManagedQuicConnection : QuicConnectionProvider
+    public sealed partial class ManagedQuicConnection : QuicConnectionProvider
     {
         // This limit should ensure that if we can fit at least an ack frame into the packet,
         private const int RequiredAllowanceForSending = 2 * ConnectionId.MaximumLength + 40;

src/libraries/System.Net.Quic/src/System/Net/Quic/Implementations/Managed/ManagedQuicListener.cs

@@ -11,14 +11,20 @@
 
 namespace System.Net.Quic.Implementations.Managed
 {
-    internal sealed class ManagedQuicListener : QuicListenerProvider
+    public sealed class ManagedQuicListener : IAsyncDisposable
     {
+        public static bool IsSupported => true;
+        public static ValueTask<ManagedQuicListener> ListenAsync(QuicListenerOptions options, CancellationToken cancellationToken = default)
+        {
+            return ValueTask.FromResult(new ManagedQuicListener(options));
+        }
+
         private bool _disposed;
 
         private readonly ChannelReader<ManagedQuicConnection> _acceptQueue;
         private readonly QuicServerSocketContext _socketContext;
 
-        public ManagedQuicListener(QuicListenerOptions options, TlsFactory tlsFactory)
+        private ManagedQuicListener(QuicListenerOptions options)
         {
             var listenEndPoint = options.ListenEndPoint ?? new IPEndPoint(IPAddress.Any, 0);
 
@@ -30,47 +36,26 @@ public ManagedQuicListener(QuicListenerOptions options, TlsFactory tlsFactory)
             });
 
             _acceptQueue = channel.Reader;
-            _socketContext = new QuicServerSocketContext(listenEndPoint, options, channel.Writer, tlsFactory);
-            Start();
-        }
-
-        internal override IPEndPoint ListenEndPoint
-        {
-            get
-            {
-                ThrowIfDisposed();
-                return _socketContext.LocalEndPoint;
-            }
+            _socketContext = new QuicServerSocketContext(listenEndPoint, options, channel.Writer, OpenSslTlsFactory.Instance);
+            _socketContext.Start();
         }
 
-        internal override async ValueTask<QuicConnectionProvider> AcceptConnectionAsync(
-            CancellationToken cancellationToken = default)
-        {
-            ThrowIfDisposed();
-            // TODO-RZ: make this non-async when the cast is no longer needed
-            return await _acceptQueue.ReadAsync(cancellationToken).ConfigureAwait(false);
-        }
+        public IPEndPoint ListenEndPoint => _socketContext.LocalEndPoint;
 
-        private void Start()
+        public ValueTask<ManagedQuicConnection> AcceptConnectionAsync(CancellationToken cancellationToken = default)
         {
-            ThrowIfDisposed();
+            ObjectDisposedException.ThrowIf(_disposed, this);
 
-            _socketContext.Start();
+            return _acceptQueue.ReadAsync(cancellationToken);
         }
 
-        public override void Dispose()
+        public ValueTask DisposeAsync()
         {
             if (_disposed) return;
-            _socketContext.StopOrOrphan();
+
             _disposed = true;
-        }
 
-        private void ThrowIfDisposed()
-        {
-            if (_disposed)
-            {
-                throw new ObjectDisposedException(nameof(ManagedQuicListener));
-            }
+            _socketContext.StopOrOrphan();
         }
     }
 }