135 lines
4.1 KiB
C#
135 lines
4.1 KiB
C#
using Alchemy.Classes;
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using MediaBrowser.Common.Events;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Net;
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Server.Implementations.WebSocket
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{
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/// <summary>
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/// Class AlchemyWebSocket
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/// </summary>
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public class AlchemyWebSocket : IWebSocket
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{
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/// <summary>
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/// The logger
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/// </summary>
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private readonly ILogger _logger;
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public event EventHandler<EventArgs> Closed;
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/// <summary>
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/// Gets or sets the web socket.
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/// </summary>
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/// <value>The web socket.</value>
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private UserContext UserContext { get; set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="AlchemyWebSocket" /> class.
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/// </summary>
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/// <param name="context">The context.</param>
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/// <param name="logger">The logger.</param>
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/// <exception cref="System.ArgumentNullException">context</exception>
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public AlchemyWebSocket(UserContext context, ILogger logger)
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{
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if (context == null)
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{
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throw new ArgumentNullException("context");
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}
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_logger = logger;
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UserContext = context;
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context.SetOnDisconnect(OnDisconnected);
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context.SetOnReceive(OnReceiveContext);
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_logger.Info("Client connected from {0}", context.ClientAddress);
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}
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/// <summary>
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/// The _disconnected
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/// </summary>
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private bool _disconnected;
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/// <summary>
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/// Gets or sets the state.
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/// </summary>
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/// <value>The state.</value>
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public WebSocketState State
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{
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get { return _disconnected ? WebSocketState.Closed : WebSocketState.Open; }
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}
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/// <summary>
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/// Called when [disconnected].
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/// </summary>
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/// <param name="context">The context.</param>
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private void OnDisconnected(UserContext context)
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{
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_disconnected = true;
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EventHelper.FireEventIfNotNull(Closed, this, EventArgs.Empty, _logger);
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}
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/// <summary>
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/// Called when [receive].
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/// </summary>
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/// <param name="context">The context.</param>
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private void OnReceiveContext(UserContext context)
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{
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if (OnReceive != null)
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{
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var json = context.DataFrame.ToString();
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OnReceive(json);
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}
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}
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private readonly Task _cachedTask = Task.FromResult(true);
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/// <summary>
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/// Sends the async.
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/// </summary>
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/// <param name="bytes">The bytes.</param>
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/// <param name="type">The type.</param>
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/// <param name="endOfMessage">if set to <c>true</c> [end of message].</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task.</returns>
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public Task SendAsync(byte[] bytes, WebSocketMessageType type, bool endOfMessage, CancellationToken cancellationToken)
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{
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UserContext.Send(bytes);
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return _cachedTask;
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}
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/// <summary>
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/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
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/// </summary>
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public void Dispose()
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{
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Dispose(true);
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}
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/// <summary>
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/// Releases unmanaged and - optionally - managed resources.
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/// </summary>
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/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
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protected virtual void Dispose(bool dispose)
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{
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}
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/// <summary>
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/// Gets or sets the receive action.
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/// </summary>
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/// <value>The receive action.</value>
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public Action<byte[]> OnReceiveBytes { get; set; }
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/// <summary>
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/// Gets or sets the on receive.
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/// </summary>
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/// <value>The on receive.</value>
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public Action<string> OnReceive { get; set; }
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}
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}
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