From c8e4889ac72b4b6fa01ffd0ccf293363ca5ce744 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Sat, 17 May 2014 00:24:10 -0400
Subject: add subtitle management page

---
 .../Session/WebSocketController.cs                 | 86 ++++++++++++----------
 1 file changed, 49 insertions(+), 37 deletions(-)

(limited to 'MediaBrowser.Server.Implementations/Session/WebSocketController.cs')

diff --git a/MediaBrowser.Server.Implementations/Session/WebSocketController.cs b/MediaBrowser.Server.Implementations/Session/WebSocketController.cs
index 0edd57d2a..040705171 100644
--- a/MediaBrowser.Server.Implementations/Session/WebSocketController.cs
+++ b/MediaBrowser.Server.Implementations/Session/WebSocketController.cs
@@ -2,6 +2,7 @@
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Session;
 using MediaBrowser.Model.Entities;
+using MediaBrowser.Model.Logging;
 using MediaBrowser.Model.Net;
 using MediaBrowser.Model.Session;
 using MediaBrowser.Model.System;
@@ -19,11 +20,13 @@ namespace MediaBrowser.Server.Implementations.Session
         public List<IWebSocketConnection> Sockets { get; private set; }
 
         private readonly IServerApplicationHost _appHost;
+        private readonly ILogger _logger;
 
-        public WebSocketController(SessionInfo session, IServerApplicationHost appHost)
+        public WebSocketController(SessionInfo session, IServerApplicationHost appHost, ILogger logger)
         {
             Session = session;
             _appHost = appHost;
+            _logger = logger;
             Sockets = new List<IWebSocketConnection>();
         }
 
@@ -35,11 +38,17 @@ namespace MediaBrowser.Server.Implementations.Session
             }
         }
 
-        private IWebSocketConnection GetActiveSocket()
+        private IEnumerable<IWebSocketConnection> GetActiveSockets()
         {
-            var socket = Sockets
+            return Sockets
                 .OrderByDescending(i => i.LastActivityDate)
-                .FirstOrDefault(i => i.State == WebSocketState.Open);
+                .Where(i => i.State == WebSocketState.Open);
+        }
+
+        private IWebSocketConnection GetActiveSocket()
+        {
+            var socket = GetActiveSockets()
+                .FirstOrDefault();
 
             if (socket == null)
             {
@@ -51,9 +60,7 @@ namespace MediaBrowser.Server.Implementations.Session
 
         public Task SendPlayCommand(PlayRequest command, CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-
-            return socket.SendAsync(new WebSocketMessage<PlayRequest>
+            return SendMessage(new WebSocketMessage<PlayRequest>
             {
                 MessageType = "Play",
                 Data = command
@@ -63,9 +70,7 @@ namespace MediaBrowser.Server.Implementations.Session
 
         public Task SendPlaystateCommand(PlaystateRequest command, CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-
-            return socket.SendAsync(new WebSocketMessage<PlaystateRequest>
+            return SendMessage(new WebSocketMessage<PlaystateRequest>
             {
                 MessageType = "Playstate",
                 Data = command
@@ -75,9 +80,7 @@ namespace MediaBrowser.Server.Implementations.Session
 
         public Task SendLibraryUpdateInfo(LibraryUpdateInfo info, CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-            
-            return socket.SendAsync(new WebSocketMessage<LibraryUpdateInfo>
+            return SendMessages(new WebSocketMessage<LibraryUpdateInfo>
             {
                 MessageType = "LibraryChanged",
                 Data = info
@@ -92,9 +95,7 @@ namespace MediaBrowser.Server.Implementations.Session
         /// <returns>Task.</returns>
         public Task SendRestartRequiredNotification(CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-
-            return socket.SendAsync(new WebSocketMessage<SystemInfo>
+            return SendMessages(new WebSocketMessage<SystemInfo>
             {
                 MessageType = "RestartRequired",
                 Data = _appHost.GetSystemInfo()
@@ -111,9 +112,7 @@ namespace MediaBrowser.Server.Implementations.Session
         /// <returns>Task.</returns>
         public Task SendUserDataChangeInfo(UserDataChangeInfo info, CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-
-            return socket.SendAsync(new WebSocketMessage<UserDataChangeInfo>
+            return SendMessages(new WebSocketMessage<UserDataChangeInfo>
             {
                 MessageType = "UserDataChanged",
                 Data = info
@@ -128,9 +127,7 @@ namespace MediaBrowser.Server.Implementations.Session
         /// <returns>Task.</returns>
         public Task SendServerShutdownNotification(CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-
-            return socket.SendAsync(new WebSocketMessage<string>
+            return SendMessages(new WebSocketMessage<string>
             {
                 MessageType = "ServerShuttingDown",
                 Data = string.Empty
@@ -145,9 +142,7 @@ namespace MediaBrowser.Server.Implementations.Session
         /// <returns>Task.</returns>
         public Task SendServerRestartNotification(CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-
-            return socket.SendAsync(new WebSocketMessage<string>
+            return SendMessages(new WebSocketMessage<string>
             {
                 MessageType = "ServerRestarting",
                 Data = string.Empty
@@ -157,9 +152,7 @@ namespace MediaBrowser.Server.Implementations.Session
 
         public Task SendGeneralCommand(GeneralCommand command, CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-
-            return socket.SendAsync(new WebSocketMessage<GeneralCommand>
+            return SendMessage(new WebSocketMessage<GeneralCommand>
             {
                 MessageType = "GeneralCommand",
                 Data = command
@@ -169,9 +162,7 @@ namespace MediaBrowser.Server.Implementations.Session
 
         public Task SendSessionEndedNotification(SessionInfoDto sessionInfo, CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-
-            return socket.SendAsync(new WebSocketMessage<SessionInfoDto>
+            return SendMessages(new WebSocketMessage<SessionInfoDto>
             {
                 MessageType = "SessionEnded",
                 Data = sessionInfo
@@ -181,9 +172,7 @@ namespace MediaBrowser.Server.Implementations.Session
 
         public Task SendPlaybackStartNotification(SessionInfoDto sessionInfo, CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-
-            return socket.SendAsync(new WebSocketMessage<SessionInfoDto>
+            return SendMessages(new WebSocketMessage<SessionInfoDto>
             {
                 MessageType = "PlaybackStart",
                 Data = sessionInfo
@@ -193,14 +182,37 @@ namespace MediaBrowser.Server.Implementations.Session
 
         public Task SendPlaybackStoppedNotification(SessionInfoDto sessionInfo, CancellationToken cancellationToken)
         {
-            var socket = GetActiveSocket();
-
-            return socket.SendAsync(new WebSocketMessage<SessionInfoDto>
+            return SendMessages(new WebSocketMessage<SessionInfoDto>
             {
                 MessageType = "PlaybackStopped",
                 Data = sessionInfo
 
             }, cancellationToken);
         }
+
+        private Task SendMessage<T>(WebSocketMessage<T> message, CancellationToken cancellationToken)
+        {
+            var socket = GetActiveSocket();
+
+            return socket.SendAsync(message, cancellationToken);
+        }
+
+        private Task SendMessages<T>(WebSocketMessage<T> message, CancellationToken cancellationToken)
+        {
+            var tasks = GetActiveSockets().Select(i => Task.Run(async () =>
+            {
+                try
+                {
+                    await i.SendAsync(message, cancellationToken).ConfigureAwait(false);
+                }
+                catch (Exception ex)
+                {
+                    _logger.ErrorException("Error sending web socket message", ex);
+                }
+
+            }, cancellationToken));
+
+            return Task.WhenAll(tasks);
+        }
     }
 }
-- 
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