v4.0.0 (#1357)

Source/MQTTnet.AspNetCore.Tests/Mockups/ConnectionContextMockup.cs

@@ -0,0 +1,26 @@
+// 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 System.Collections.Generic;
+using System.IO.Pipelines;
+using Microsoft.AspNetCore.Connections;
+using Microsoft.AspNetCore.Http.Features;
+
+namespace MQTTnet.AspNetCore.Tests.Mockups
+{
+    public class ConnectionContextMockup : ConnectionContext
+    {
+        public override string ConnectionId { get; set; }
+
+        public override IFeatureCollection Features { get; }
+
+        public override IDictionary<object, object> Items { get; set; }
+        public override IDuplexPipe Transport { get; set; }
+
+        public ConnectionContextMockup()
+        {
+            //Transport = new DefaultConnectionContext
+        }
+    }
+}

Source/MQTTnet.AspNetCore.Tests/Mockups/ConnectionHandlerMockup.cs

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+// 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 MQTTnet.Adapter;
+using MQTTnet.Formatter;
+using MQTTnet.Server;
+using System;
+using System.Threading.Tasks;
+using MQTTnet.Diagnostics;
+
+namespace MQTTnet.AspNetCore.Tests.Mockups
+{
+    public class ConnectionHandlerMockup: IMqttServerAdapter
+    {
+        public TaskCompletionSource<MqttConnectionContext> Context { get; } = new TaskCompletionSource<MqttConnectionContext>();
+        public Func<IMqttChannelAdapter, Task> ClientHandler { get; set; }
+
+        public async Task OnConnectedAsync(ConnectionContext connection)
+        {
+            try
+            {
+                var formatter = new MqttPacketFormatterAdapter(new MqttBufferWriter(4096, 65535));
+                var context = new MqttConnectionContext(formatter, connection);
+                Context.TrySetResult(context);
+
+                await ClientHandler(context);
+            }
+            catch (Exception ex)
+            {
+                Context.TrySetException(ex);
+            }
+        }
+
+        public Task StartAsync(MqttServerOptions options, IMqttNetLogger logger)
+        {
+            return Task.CompletedTask;
+        }
+
+        public Task StopAsync()
+        {
+            return Task.CompletedTask;
+        }
+
+        public void Dispose()
+        {
+        }
+    }
+}

Source/MQTTnet.AspNetCore.Tests/Mockups/DuplexPipeMockup.cs

@@ -0,0 +1,28 @@
+// 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 System.IO.Pipelines;
+
+namespace MQTTnet.AspNetCore.Tests.Mockups
+{
+    public class DuplexPipeMockup : IDuplexPipe
+    {
+        public DuplexPipeMockup()
+        {
+            var pool = new LimitedMemoryPool();
+            var pipeOptions = new PipeOptions(pool);
+            Receive = new Pipe(pipeOptions);
+            Send = new Pipe(pipeOptions);
+        }
+
+        PipeReader IDuplexPipe.Input => Receive.Reader;
+
+        PipeWriter IDuplexPipe.Output => Send.Writer;
+
+
+        public Pipe Receive { get; set; } 
+
+        public Pipe Send { get; set; }
+    }
+}

Source/MQTTnet.AspNetCore.Tests/Mockups/LimitedMemoryPool.cs

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+// 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 System.Buffers;
+
+namespace MQTTnet.AspNetCore.Tests.Mockups
+{
+    public class LimitedMemoryPool : MemoryPool<byte>
+    {
+        protected override void Dispose(bool disposing)
+        {
+        }
+
+        public override IMemoryOwner<byte> Rent(int minBufferSize = -1)
+        {
+            return new MemoryOwner(minBufferSize);
+        }
+
+        public override int MaxBufferSize { get; }
+    }
+}

Source/MQTTnet.AspNetCore.Tests/Mockups/MemoryOwner.cs

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+// 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 System;
+using System.Buffers;
+
+namespace MQTTnet.AspNetCore.Tests.Mockups
+{
+    public class MemoryOwner : IMemoryOwner<byte>
+    {
+        private readonly byte[] _raw;
+
+        public MemoryOwner(int size)
+        {
+            if (size <= 0)
+            {
+                size = 1024;
+            }
+
+            if (size > 4096)
+            {
+                size = 4096;
+            }
+
+            _raw = ArrayPool<byte>.Shared.Rent(size);
+            Memory = _raw;
+        }
+
+        public void Dispose()
+        {
+            ArrayPool<byte>.Shared.Return(_raw);
+        }
+
+        public Memory<byte> Memory { get; }
+    }
+}