v4.0.0 (#1357)

Source/MQTTnet.AspnetCore/MqttConnectionHandler.cs

@@ -1,15 +1,22 @@
-using Microsoft.AspNetCore.Connections;
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.AspNetCore.Connections;
 using Microsoft.AspNetCore.Connections.Features;
 using MQTTnet.Adapter;
 using MQTTnet.Server;
 using System;
 using System.Threading.Tasks;
+using MQTTnet.Diagnostics;
 using MQTTnet.Formatter;
 
 namespace MQTTnet.AspNetCore
 {
-    public class MqttConnectionHandler : ConnectionHandler, IMqttServerAdapter
+    public sealed class MqttConnectionHandler : ConnectionHandler, IMqttServerAdapter
     {
+        MqttServerOptions _serverOptions;
+        
         public Func<IMqttChannelAdapter, Task> ClientHandler { get; set; }
 
         public override async Task OnConnectedAsync(ConnectionContext connection)
@@ -20,9 +27,8 @@ namespace MQTTnet.AspNetCore
             {
                 transferFormatFeature.ActiveFormat = TransferFormat.Binary;
             }
-
-            var writer = new SpanBasedMqttPacketWriter();
-            var formatter = new MqttPacketFormatterAdapter(writer);
+            
+            var formatter = new MqttPacketFormatterAdapter(new MqttBufferWriter(_serverOptions.WriterBufferSize, _serverOptions.WriterBufferSizeMax));
             using (var adapter = new MqttConnectionContext(formatter, connection))
             {
                 var clientHandler = ClientHandler;
@@ -33,8 +39,10 @@ namespace MQTTnet.AspNetCore
             }
         }
 
-        public Task StartAsync(IMqttServerOptions options)
+        public Task StartAsync(MqttServerOptions options, IMqttNetLogger logger)
         {
+            _serverOptions = options;
+
             return Task.CompletedTask;
         }