LibUv Networking (#65)

Projects/Server/Kestrel/TransportConnection.cs

@@ -0,0 +1,59 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System.Buffers;
+using System.Collections.Generic;
+using System.IO.Pipelines;
+using System.Net;
+using System.Threading;
+using Microsoft.AspNetCore.Http.Features;
+
+namespace Microsoft.AspNetCore.Connections
+{
+  public abstract partial class TransportConnection : ConnectionContext
+  {
+    private IDictionary<object, object> _items;
+    private string _connectionId;
+
+    public TransportConnection()
+    {
+      FastReset();
+    }
+
+    public override EndPoint LocalEndPoint { get; set; }
+    public override EndPoint RemoteEndPoint { get; set; }
+
+    public override string ConnectionId
+    {
+      get => _connectionId ??= CorrelationIdGenerator.GetNextId();
+      set => _connectionId = value;
+    }
+
+    public override IFeatureCollection Features => this;
+
+    public virtual MemoryPool<byte> MemoryPool { get; }
+
+    public override IDuplexPipe Transport { get; set; }
+
+    public IDuplexPipe Application { get; set; }
+
+    public override IDictionary<object, object> Items
+    {
+      get => _items ??= new ConnectionItems();
+      set => _items = value;
+    }
+
+    public override CancellationToken ConnectionClosed { get; set; }
+
+    // DO NOT remove this override to ConnectionContext.Abort. Doing so would cause
+    // any TransportConnection that does not override Abort or calls base.Abort
+    // to stack overflow when IConnectionLifetimeFeature.Abort() is called.
+    // That said, all derived types should override this method should override
+    // this implementation of Abort because canceling pending output reads is not
+    // sufficient to abort the connection if there is backpressure.
+    public override void Abort(ConnectionAbortedException abortReason)
+    {
+      Application.Input.CancelPendingRead();
+    }
+  }
+}