jellyfin-server/MediaBrowser.Server.Implementations/HttpServer/SocketSharp/SharpWebSocket.cs

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C#
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2014-07-19 01:28:40 +00:00
using System.Text;
using MediaBrowser.Common.Events;
using MediaBrowser.Common.Net;
using MediaBrowser.Model.Logging;
using System;
using System.Threading;
using System.Threading.Tasks;
using WebSocketMessageType = MediaBrowser.Model.Net.WebSocketMessageType;
using WebSocketState = MediaBrowser.Model.Net.WebSocketState;
namespace MediaBrowser.Server.Implementations.HttpServer.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 WebSocketSharp.WebSocket WebSocket { get; set; }
private readonly CancellationTokenSource _cancellationTokenSource = new CancellationTokenSource();
/// <summary>
/// Initializes a new instance of the <see cref="NativeWebSocket" /> class.
/// </summary>
/// <param name="socket">The socket.</param>
/// <param name="logger">The logger.</param>
/// <exception cref="System.ArgumentNullException">socket</exception>
public SharpWebSocket(WebSocketSharp.WebSocket socket, ILogger logger)
{
if (socket == null)
{
throw new ArgumentNullException("socket");
}
if (logger == null)
{
throw new ArgumentNullException("logger");
}
_logger = logger;
WebSocket = socket;
socket.OnMessage += socket_OnMessage;
socket.OnClose += socket_OnClose;
socket.OnError += socket_OnError;
WebSocket.ConnectAsServer();
}
void socket_OnError(object sender, WebSocketSharp.ErrorEventArgs e)
{
EventHelper.FireEventIfNotNull(Closed, this, EventArgs.Empty, _logger);
}
void socket_OnClose(object sender, WebSocketSharp.CloseEventArgs e)
{
EventHelper.FireEventIfNotNull(Closed, this, EventArgs.Empty, _logger);
}
void socket_OnMessage(object sender, WebSocketSharp.MessageEventArgs e)
{
if (OnReceive != null)
{
OnReceiveBytes(e.RawData);
}
}
/// <summary>
/// Gets or sets the state.
/// </summary>
/// <value>The state.</value>
public WebSocketState State
{
get
{
WebSocketState commonState;
if (!Enum.TryParse(WebSocket.ReadyState.ToString(), true, out commonState))
{
_logger.Warn("Unrecognized WebSocketState: {0}", WebSocket.ReadyState.ToString());
}
return commonState;
}
}
/// <summary>
/// Sends the async.
/// </summary>
/// <param name="bytes">The bytes.</param>
/// <param name="type">The type.</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, WebSocketMessageType type, bool endOfMessage, CancellationToken cancellationToken)
{
System.Net.WebSockets.WebSocketMessageType nativeType;
if (!Enum.TryParse(type.ToString(), true, out nativeType))
{
_logger.Warn("Unrecognized WebSocketMessageType: {0}", type.ToString());
}
var completionSource = new TaskCompletionSource<bool>();
WebSocket.SendAsync(Encoding.UTF8.GetString(bytes), res => completionSource.TrySetResult(true));
return completionSource.Task;
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
Dispose(true);
}
/// <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 (dispose)
{
WebSocket.OnMessage -= socket_OnMessage;
WebSocket.OnClose -= socket_OnClose;
WebSocket.OnError -= socket_OnError;
_cancellationTokenSource.Cancel();
WebSocket.Close();
}
}
/// <summary>
/// Gets or sets the receive action.
/// </summary>
/// <value>The receive action.</value>
public Action<byte[]> OnReceiveBytes { get; set; }
/// <summary>
/// Gets or sets the on receive.
/// </summary>
/// <value>The on receive.</value>
public Action<string> OnReceive { get; set; }
}
}