add default implementation for IMuninNodeListenerFactory

Author: smdn

src/Smdn.Net.MuninNode/Smdn.Net.MuninNode.Transport/MuninNodeListenerFactory.cs

@@ -0,0 +1,26 @@
+// SPDX-FileCopyrightText: 2025 smdn <smdn@smdn.jp>
+// SPDX-License-Identifier: MIT
+using System.Net;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Smdn.Net.MuninNode.Transport;
+
+internal sealed class MuninNodeListenerFactory : IMuninNodeListenerFactory {
+  public static readonly MuninNodeListenerFactory Instance = new();
+
+  public ValueTask<IMuninNodeListener> CreateAsync(
+    EndPoint endPoint,
+    IMuninNode node,
+    CancellationToken cancellationToken
+  )
+#pragma warning disable CA2000
+    => new(
+      new MuninNodeListener(
+        endPoint: endPoint,
+        logger: null,
+        serviceProvider: null
+      )
+    );
+#pragma warning restore CA2000
+}

src/Smdn.Net.MuninNode/Smdn.Net.MuninNode/LocalNode.Create.cs

@@ -58,7 +58,7 @@ protected override EndPoint GetLocalEndPointToBind()
         port: port
       );
 
-    private new sealed class ListenerFactory(ILogger? logger) : IMuninNodeListenerFactory {
+    private sealed class ListenerFactory(ILogger? logger) : IMuninNodeListenerFactory {
       public ValueTask<IMuninNodeListener> CreateAsync(
         EndPoint endPoint,
         IMuninNode node,

src/Smdn.Net.MuninNode/Smdn.Net.MuninNode/LocalNode.cs

@@ -1,9 +1,5 @@
 // SPDX-FileCopyrightText: 2023 smdn <smdn@smdn.jp>
 // SPDX-License-Identifier: MIT
-using System.Net;
-using System.Threading;
-using System.Threading.Tasks;
-
 using Microsoft.Extensions.Logging;
 
 using Smdn.Net.MuninNode.Transport;
@@ -35,29 +31,10 @@ protected LocalNode(
     ILogger? logger
   )
     : base(
-      listenerFactory: listenerFactory ?? ListenerFactory.Instance,
+      listenerFactory: listenerFactory ?? MuninNodeListenerFactory.Instance,
       accessRule: accessRule,
       logger: logger
     )
   {
   }
-
-  private sealed class ListenerFactory : IMuninNodeListenerFactory {
-    public static readonly ListenerFactory Instance = new();
-
-    public ValueTask<IMuninNodeListener> CreateAsync(
-      EndPoint endPoint,
-      IMuninNode node,
-      CancellationToken cancellationToken
-    )
-#pragma warning disable CA2000
-      => new(
-        new MuninNodeListener(
-          endPoint: endPoint,
-          logger: null,
-          serviceProvider: null
-        )
-      );
-#pragma warning restore CA2000
-  }
 }