Fix option to disable server discovery

Emby.Server.Implementations/ApplicationHost.cs

@@ -44,7 +44,6 @@ using Emby.Server.Implementations.Serialization;
 using Emby.Server.Implementations.Session;
 using Emby.Server.Implementations.SyncPlay;
 using Emby.Server.Implementations.TV;
-using Emby.Server.Implementations.Udp;
 using Emby.Server.Implementations.Updates;
 using Jellyfin.Api.Helpers;
 using Jellyfin.MediaEncoding.Hls.Playlist;
@@ -104,6 +103,7 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Prometheus.DotNetRuntime;
+using static MediaBrowser.Controller.Extensions.ConfigurationExtensions;
 using WebSocketManager = Emby.Server.Implementations.HttpServer.WebSocketManager;
 
 namespace Emby.Server.Implementations
@@ -184,6 +184,11 @@ namespace Emby.Server.Implementations
         /// </summary>
         public event EventHandler HasPendingRestartChanged;
 
+        /// <summary>
+        /// Gets the value of the PublishedServerUrl setting.
+        /// </summary>
+        private string PublishedServerUrl => _startupConfig[AddressOverrideKey];
+
         /// <summary>
         /// Gets a value indicating whether this instance can self restart.
         /// </summary>
@@ -260,11 +265,6 @@ namespace Emby.Server.Implementations
         /// </summary>
         public int HttpsPort { get; private set; }
 
-        /// <summary>
-        /// Gets the value of the PublishedServerUrl setting.
-        /// </summary>
-        public string PublishedServerUrl => _startupOptions.PublishedServerUrl ?? _startupConfig[UdpServer.AddressOverrideConfigKey];
-
         /// <inheritdoc />
         public Version ApplicationVersion { get; }
 

Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs

@@ -3,6 +3,8 @@ using System.Net.Sockets;
 using System.Threading;
 using System.Threading.Tasks;
 using Emby.Server.Implementations.Udp;
+using Jellyfin.Networking.Configuration;
+using MediaBrowser.Common.Configuration;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Plugins;
 using Microsoft.Extensions.Configuration;
@@ -26,6 +28,7 @@ namespace Emby.Server.Implementations.EntryPoints
         private readonly ILogger<UdpServerEntryPoint> _logger;
         private readonly IServerApplicationHost _appHost;
         private readonly IConfiguration _config;
+        private readonly IConfigurationManager _configurationManager;
 
         /// <summary>
         /// The UDP server.
@@ -40,14 +43,17 @@ namespace Emby.Server.Implementations.EntryPoints
         /// <param name="logger">Instance of the <see cref="ILogger{UdpServerEntryPoint}"/> interface.</param>
         /// <param name="appHost">Instance of the <see cref="IServerApplicationHost"/> interface.</param>
         /// <param name="configuration">Instance of the <see cref="IConfiguration"/> interface.</param>
+        /// <param name="configurationManager">Instance of the <see cref="IConfigurationManager"/> interface.</param>
         public UdpServerEntryPoint(
             ILogger<UdpServerEntryPoint> logger,
             IServerApplicationHost appHost,
-            IConfiguration configuration)
+            IConfiguration configuration,
+            IConfigurationManager configurationManager)
         {
             _logger = logger;
             _appHost = appHost;
             _config = configuration;
+            _configurationManager = configurationManager;
         }
 
         /// <inheritdoc />
@@ -55,6 +61,11 @@ namespace Emby.Server.Implementations.EntryPoints
         {
             CheckDisposed();
 
+            if (_configurationManager.GetNetworkConfiguration().AutoDiscovery)
+            {
+                return Task.CompletedTask;
+            }
+
             try
             {
                 _udpServer = new UdpServer(_logger, _appHost, _config, PortNumber);

Emby.Server.Implementations/Udp/UdpServer.cs

@@ -9,6 +9,7 @@ using MediaBrowser.Controller;
 using MediaBrowser.Model.ApiClient;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
+using static MediaBrowser.Controller.Extensions.ConfigurationExtensions;
 
 namespace Emby.Server.Implementations.Udp
 {
@@ -17,11 +18,6 @@ namespace Emby.Server.Implementations.Udp
     /// </summary>
     public sealed class UdpServer : IDisposable
     {
-        /// <summary>
-        /// Address Override Configuration Key.
-        /// </summary>
-        public const string AddressOverrideConfigKey = "PublishedServerUrl";
-
         /// <summary>
         /// The _logger.
         /// </summary>
@@ -60,7 +56,7 @@ namespace Emby.Server.Implementations.Udp
 
         private async Task RespondToV2Message(EndPoint endpoint, CancellationToken cancellationToken)
         {
-            string? localUrl = _config[AddressOverrideConfigKey];
+            string? localUrl = _config[AddressOverrideKey];
             if (string.IsNullOrEmpty(localUrl))
             {
                 localUrl = _appHost.GetSmartApiUrl(((IPEndPoint)endpoint).Address);
@@ -68,7 +64,7 @@ namespace Emby.Server.Implementations.Udp
 
             if (string.IsNullOrEmpty(localUrl))
             {
-                _logger.LogWarning("Unable to respond to udp request because the local ip address could not be determined.");
+                _logger.LogWarning("Unable to respond to server discovery request because the local ip address could not be determined.");
                 return;
             }