Merge pull request #4285 from cvium/fix_websocketlisteners

Fix IWebSocketListener service registration

Emby.Server.Implementations/ApplicationHost.cs

@@ -128,7 +128,6 @@ namespace Emby.Server.Implementations
         private IMediaEncoder _mediaEncoder;
         private ISessionManager _sessionManager;
         private IHttpClientFactory _httpClientFactory;
-        private IWebSocketManager _webSocketManager;
 
         private string[] _urlPrefixes;
 
@@ -259,8 +258,8 @@ namespace Emby.Server.Implementations
             IServiceCollection serviceCollection)
         {
             _xmlSerializer = new MyXmlSerializer();
-            _jsonSerializer = new JsonSerializer();            
+            _jsonSerializer = new JsonSerializer();
-            
+
             ServiceCollection = serviceCollection;
 
             _networkManager = networkManager;
@@ -667,7 +666,6 @@ namespace Emby.Server.Implementations
             _mediaEncoder = Resolve<IMediaEncoder>();
             _sessionManager = Resolve<ISessionManager>();
             _httpClientFactory = Resolve<IHttpClientFactory>();
-            _webSocketManager = Resolve<IWebSocketManager>();
 
             ((AuthenticationRepository)Resolve<IAuthenticationRepository>()).Initialize();
 
@@ -788,7 +786,6 @@ namespace Emby.Server.Implementations
                         .ToArray();
 
             _urlPrefixes = GetUrlPrefixes().ToArray();
-            _webSocketManager.Init(GetExports<IWebSocketListener>());
 
             Resolve<ILibraryManager>().AddParts(
                 GetExports<IResolverIgnoreRule>(),
@@ -1058,7 +1055,7 @@ namespace Emby.Server.Implementations
                     {
                         // No metafile, so lets see if the folder is versioned.
                         metafile = dir.Split(new[] { Path.DirectorySeparatorChar }, StringSplitOptions.RemoveEmptyEntries)[^1];
-                        
+
                         int versionIndex = dir.LastIndexOf('_');
                         if (versionIndex != -1 && Version.TryParse(dir.Substring(versionIndex + 1), out Version ver))
                         {
@@ -1067,9 +1064,9 @@ namespace Emby.Server.Implementations
                         }
                         else
                         {
-                            // Un-versioned folder - Add it under the path name and version 0.0.0.1.                        
+                            // Un-versioned folder - Add it under the path name and version 0.0.0.1.
                             versions.Add((new Version(0, 0, 0, 1), metafile, dir));
-                        }   
+                        }
                     }
                 }
                 catch

Emby.Server.Implementations/HttpServer/WebSocketManager.cs

@@ -2,7 +2,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Net.WebSockets;
 using System.Threading.Tasks;
 using Jellyfin.Data.Events;
@@ -14,16 +13,18 @@ namespace Emby.Server.Implementations.HttpServer
 {
     public class WebSocketManager : IWebSocketManager
     {
+        private readonly Lazy<IEnumerable<IWebSocketListener>> _webSocketListeners;
         private readonly ILogger<WebSocketManager> _logger;
         private readonly ILoggerFactory _loggerFactory;
 
-        private IWebSocketListener[] _webSocketListeners = Array.Empty<IWebSocketListener>();
         private bool _disposed = false;
 
         public WebSocketManager(
+            Lazy<IEnumerable<IWebSocketListener>> webSocketListeners,
             ILogger<WebSocketManager> logger,
             ILoggerFactory loggerFactory)
         {
+            _webSocketListeners = webSocketListeners;
             _logger = logger;
             _loggerFactory = loggerFactory;
         }
@@ -68,15 +69,6 @@ namespace Emby.Server.Implementations.HttpServer
             }
         }
 
-        /// <summary>
-        /// Adds the rest handlers.
-        /// </summary>
-        /// <param name="listeners">The web socket listeners.</param>
-        public void Init(IEnumerable<IWebSocketListener> listeners)
-        {
-            _webSocketListeners = listeners.ToArray();
-        }
-
         /// <summary>
         /// Processes the web socket message received.
         /// </summary>
@@ -90,7 +82,8 @@ namespace Emby.Server.Implementations.HttpServer
 
             IEnumerable<Task> GetTasks()
             {
-                foreach (var x in _webSocketListeners)
+                var listeners = _webSocketListeners.Value;
+                foreach (var x in listeners)
                 {
                     yield return x.ProcessMessageAsync(result);
                 }

Jellyfin.Server/CoreAppHost.cs

@@ -4,6 +4,8 @@ using System.IO;
 using System.Reflection;
 using Emby.Drawing;
 using Emby.Server.Implementations;
+using Emby.Server.Implementations.Session;
+using Jellyfin.Api.WebSocketListeners;
 using Jellyfin.Drawing.Skia;
 using Jellyfin.Server.Implementations;
 using Jellyfin.Server.Implementations.Activity;
@@ -14,6 +16,7 @@ using MediaBrowser.Controller;
 using MediaBrowser.Controller.Drawing;
 using MediaBrowser.Controller.Events;
 using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Net;
 using MediaBrowser.Model.Activity;
 using MediaBrowser.Model.IO;
 using Microsoft.EntityFrameworkCore;
@@ -80,6 +83,14 @@ namespace Jellyfin.Server
             ServiceCollection.AddSingleton<IUserManager, UserManager>();
             ServiceCollection.AddSingleton<IDisplayPreferencesManager, DisplayPreferencesManager>();
 
+            ServiceCollection.AddScoped<IWebSocketListener, SessionWebSocketListener>();
+            ServiceCollection.AddScoped<IWebSocketListener, ActivityLogWebSocketListener>();
+            ServiceCollection.AddScoped<IWebSocketListener, ScheduledTasksWebSocketListener>();
+            ServiceCollection.AddScoped<IWebSocketListener, SessionInfoWebSocketListener>();
+
+            // TODO fix circular dependency on IWebSocketManager
+            ServiceCollection.AddScoped(serviceProvider => new Lazy<IEnumerable<IWebSocketListener>>(serviceProvider.GetRequiredService<IEnumerable<IWebSocketListener>>));
+
             base.RegisterServices();
         }
 

Jellyfin.Server/Program.cs

@@ -378,7 +378,7 @@ namespace Jellyfin.Server
                 .ConfigureServices(services =>
                 {
                     // Merge the external ServiceCollection into ASP.NET DI
-                    services.TryAdd(serviceCollection);
+                    services.Add(serviceCollection);
                 })
                 .UseStartup<Startup>();
         }

MediaBrowser.Controller/Net/IWebSocketManager.cs

@@ -16,12 +16,6 @@ namespace MediaBrowser.Controller.Net
         /// </summary>
         event EventHandler<GenericEventArgs<IWebSocketConnection>> WebSocketConnected;
 
-        /// <summary>
-        /// Inits this instance.
-        /// </summary>
-        /// <param name="listeners">The websocket listeners.</param>
-        void Init(IEnumerable<IWebSocketListener> listeners);
-
         /// <summary>
         /// The HTTP request handler.
         /// </summary>