Merge pull request #1010 from cvium/kestrel_poc

Remove System.Net and port to Kestrel

1 files changed, 105 insertions, 0 deletions

diff --git a/Emby.Server.Implementations/SocketSharp/SharpWebSocket.cs b/Emby.Server.Implementations/SocketSharp/SharpWebSocket.cs
new file mode 100644
index 000000000..62b16ed8c
--- /dev/null
+++ b/Emby.Server.Implementations/SocketSharp/SharpWebSocket.cs
@@ -0,0 +1,105 @@
+using System;
+using System.Net.WebSockets;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Emby.Server.Implementations.Net;
+using Microsoft.Extensions.Logging;
+
+namespace Emby.Server.Implementations.SocketSharp
+{
+    public class SharpWebSocket : IWebSocket
+    {
+        /// <summary>
+        /// The logger
+        /// </summary>
+        private readonly ILogger _logger;
+
+        public event EventHandler<EventArgs> Closed;
+
+        /// <summary>
+        /// Gets or sets the web socket.
+        /// </summary>
+        /// <value>The web socket.</value>
+        private readonly WebSocket _webSocket;
+
+        private readonly CancellationTokenSource _cancellationTokenSource = new CancellationTokenSource();
+        private bool _disposed;
+
+        public SharpWebSocket(WebSocket socket, ILogger logger)
+        {
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            _webSocket = socket ?? throw new ArgumentNullException(nameof(socket));
+        }
+
+        /// <summary>
+        /// Gets or sets the state.
+        /// </summary>
+        /// <value>The state.</value>
+        public WebSocketState State => _webSocket.State;
+
+        /// <summary>
+        /// Sends the async.
+        /// </summary>
+        /// <param name="bytes">The bytes.</param>
+        /// <param name="endOfMessage">if set to <c>true</c> [end of message].</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        public Task SendAsync(byte[] bytes, bool endOfMessage, CancellationToken cancellationToken)
+        {
+            return _webSocket.SendAsync(new ArraySegment<byte>(bytes), WebSocketMessageType.Binary, endOfMessage, cancellationToken);
+        }
+
+        /// <summary>
+        /// Sends the asynchronous.
+        /// </summary>
+        /// <param name="text">The text.</param>
+        /// <param name="endOfMessage">if set to <c>true</c> [end of message].</param>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <returns>Task.</returns>
+        public Task SendAsync(string text, bool endOfMessage, CancellationToken cancellationToken)
+        {
+            return _webSocket.SendAsync(new ArraySegment<byte>(Encoding.UTF8.GetBytes(text)), WebSocketMessageType.Text, endOfMessage, cancellationToken);
+        }
+
+        /// <summary>
+        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
+        /// </summary>
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        /// <summary>
+        /// Releases unmanaged and - optionally - managed resources.
+        /// </summary>
+        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
+        protected virtual void Dispose(bool dispose)
+        {
+            if (_disposed)
+            {
+                return;
+            }
+
+            if (dispose)
+            {
+                _cancellationTokenSource.Cancel();
+                if (_webSocket.State == WebSocketState.Open)
+                {
+                    _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, "Closed by client",
+                        CancellationToken.None);
+                }
+                Closed?.Invoke(this, EventArgs.Empty);
+            }
+
+            _disposed = true;
+        }
+
+        /// <summary>
+        /// Gets or sets the receive action.
+        /// </summary>
+        /// <value>The receive action.</value>
+        public Action<byte[]> OnReceiveBytes { get; set; }
+    }
+}