91 lines
3.2 KiB
C#
91 lines
3.2 KiB
C#
#nullable disable
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#pragma warning disable CS1591
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.WebSockets;
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using System.Threading.Tasks;
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using MediaBrowser.Controller.Net;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.HttpServer
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{
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public class WebSocketManager : IWebSocketManager
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{
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private readonly IWebSocketListener[] _webSocketListeners;
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private readonly IAuthService _authService;
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private readonly ILogger<WebSocketManager> _logger;
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private readonly ILoggerFactory _loggerFactory;
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public WebSocketManager(
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IAuthService authService,
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IEnumerable<IWebSocketListener> webSocketListeners,
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ILogger<WebSocketManager> logger,
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ILoggerFactory loggerFactory)
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{
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_webSocketListeners = webSocketListeners.ToArray();
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_authService = authService;
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_logger = logger;
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_loggerFactory = loggerFactory;
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}
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/// <inheritdoc />
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public async Task WebSocketRequestHandler(HttpContext context)
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{
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_ = _authService.Authenticate(context.Request);
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try
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{
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_logger.LogInformation("WS {IP} request", context.Connection.RemoteIpAddress);
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WebSocket webSocket = await context.WebSockets.AcceptWebSocketAsync().ConfigureAwait(false);
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using var connection = new WebSocketConnection(
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_loggerFactory.CreateLogger<WebSocketConnection>(),
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webSocket,
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context.Connection.RemoteIpAddress,
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context.Request.Query)
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{
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OnReceive = ProcessWebSocketMessageReceived
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};
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var tasks = new Task[_webSocketListeners.Length];
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for (var i = 0; i < _webSocketListeners.Length; ++i)
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{
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tasks[i] = _webSocketListeners[i].ProcessWebSocketConnectedAsync(connection);
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}
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await Task.WhenAll(tasks).ConfigureAwait(false);
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await connection.ProcessAsync().ConfigureAwait(false);
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_logger.LogInformation("WS {IP} closed", context.Connection.RemoteIpAddress);
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}
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catch (Exception ex) // Otherwise ASP.Net will ignore the exception
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{
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_logger.LogError(ex, "WS {IP} WebSocketRequestHandler error", context.Connection.RemoteIpAddress);
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if (!context.Response.HasStarted)
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{
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context.Response.StatusCode = 500;
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}
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}
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}
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/// <summary>
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/// Processes the web socket message received.
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/// </summary>
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/// <param name="result">The result.</param>
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private Task ProcessWebSocketMessageReceived(WebSocketMessageInfo result)
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{
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var tasks = new Task[_webSocketListeners.Length];
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for (var i = 0; i < _webSocketListeners.Length; ++i)
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{
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tasks[i] = _webSocketListeners[i].ProcessMessageAsync(result);
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}
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return Task.WhenAll(tasks);
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}
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}
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}
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