added a shutdown api method, font size fix and other decouplings

MediaBrowser.Networking/Udp/UdpServer.cs

@@ -1,4 +1,5 @@
 using MediaBrowser.Common.Net;
+using MediaBrowser.Model.Logging;
 using MediaBrowser.Networking.Management;
 using System;
 using System.Net;
@@ -19,6 +20,21 @@ namespace MediaBrowser.Networking.Udp
         /// </summary>
         public event EventHandler<UdpMessageReceivedEventArgs> MessageReceived;
 
+        /// <summary>
+        /// Gets or sets the logger.
+        /// </summary>
+        /// <value>The logger.</value>
+        private ILogger Logger { get; set; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="UdpServer" /> class.
+        /// </summary>
+        /// <param name="logger">The logger.</param>
+        public UdpServer(ILogger logger)
+        {
+            Logger = logger;
+        }
+
         /// <summary>
         /// Raises the <see cref="E:MessageReceived" /> event.
         /// </summary>
@@ -54,8 +70,24 @@ namespace MediaBrowser.Networking.Udp
         private IObservable<UdpReceiveResult> CreateObservable()
         {
             return Observable.Create<UdpReceiveResult>(obs =>
-                                Observable.FromAsync(() => _udpClient.ReceiveAsync())
-                                          .Subscribe(obs))
+                                Observable.FromAsync(() =>
+                                {
+                                    try
+                                    {
+                                        return _udpClient.ReceiveAsync();
+                                    }
+                                    catch (ObjectDisposedException)
+                                    {
+                                        return Task.FromResult(new UdpReceiveResult(new byte[]{}, new IPEndPoint(IPAddress.Any, 0)));
+                                    }
+                                    catch (Exception ex)
+                                    {
+                                        Logger.ErrorException("Error receiving udp message", ex);
+                                        return Task.FromResult(new UdpReceiveResult(new byte[] { }, new IPEndPoint(IPAddress.Any, 0)));
+                                    }
+                                })
+
+                             .Subscribe(obs))
                              .Repeat()
                              .Retry()
                              .Publish()
@@ -68,6 +100,10 @@ namespace MediaBrowser.Networking.Udp
         /// <param name="message">The message.</param>
         private void OnMessageReceived(UdpReceiveResult message)
         {
+            if (message.RemoteEndPoint.Port == 0)
+            {
+                return;
+            }
             var bytes = message.Buffer;
 
             OnMessageReceived(new UdpMessageReceivedEventArgs

MediaBrowser.Networking/WebSocket/AlchemyServer.cs

@@ -42,6 +42,12 @@ namespace MediaBrowser.Networking.WebSocket
             _logger = logger;
         }
 
+        /// <summary>
+        /// Gets the port.
+        /// </summary>
+        /// <value>The port.</value>
+        public int Port { get; private set; }
+
         /// <summary>
         /// Starts the specified port number.
         /// </summary>
@@ -56,6 +62,8 @@ namespace MediaBrowser.Networking.WebSocket
 
             WebSocketServer.Start();
 
+            Port = portNumber;
+
             _logger.Info("Alchemy Web Socket Server started");
         }