Add the ability to set a custom LDN server

src/Ryujinx.HLE/HLEConfiguration.cs

@@ -174,6 +174,11 @@ namespace Ryujinx.HLE
         /// </summary>
         public string MultiplayerLdnPassphrase { internal get; set; }
 
+        /// <summary>
+        /// LDN Server
+        /// </summary>
+        public string MultiplayerLdnServer { internal get; set; }
+
         /// <summary>
         /// An action called when HLE force a refresh of output after docked mode changed.
         /// </summary>
@@ -206,7 +211,8 @@ namespace Ryujinx.HLE
                                 string multiplayerLanInterfaceId,
                                 MultiplayerMode multiplayerMode,
                                 bool multiplayerDisableP2p,
-                                string multiplayerLdnPassphrase)
+                                string multiplayerLdnPassphrase,
+                                string multiplayerLdnServer)
         {
             VirtualFileSystem = virtualFileSystem;
             LibHacHorizonManager = libHacHorizonManager;
@@ -236,6 +242,7 @@ namespace Ryujinx.HLE
             MultiplayerMode = multiplayerMode;
             MultiplayerDisableP2p = multiplayerDisableP2p;
             MultiplayerLdnPassphrase = multiplayerLdnPassphrase;
+            MultiplayerLdnServer = multiplayerLdnServer;
         }
     }
 }

src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/IUserLocalCommunicationService.cs

@@ -23,7 +23,7 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator
 {
     class IUserLocalCommunicationService : IpcService, IDisposable
     {
-        public static string LanPlayHost = "ryuldn.vudjun.com";
+        public static string DefaultLanPlayHost = "ryuldn.vudjun.com";
         public static short LanPlayPort = 30456;
 
         public INetworkClient NetworkClient { get; private set; }
@@ -1092,15 +1092,21 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator
                             case MultiplayerMode.LdnRyu:
                                 try
                                 {
-                                    if (!IPAddress.TryParse(LanPlayHost, out IPAddress ipAddress))
+                                    string ldnServer = context.Device.Configuration.MultiplayerLdnServer;
+                                    if (string.IsNullOrEmpty(ldnServer))
                                     {
-                                        ipAddress = Dns.GetHostEntry(LanPlayHost).AddressList[0];
+                                        ldnServer = DefaultLanPlayHost;
+                                    }
+                                    if (!IPAddress.TryParse(ldnServer, out IPAddress ipAddress))
+                                    {
+                                        ipAddress = Dns.GetHostEntry(ldnServer).AddressList[0];
                                     }
                                     NetworkClient = new LdnMasterProxyClient(ipAddress.ToString(), LanPlayPort, context.Device.Configuration);
                                 }
-                                catch (Exception)
+                                catch (Exception ex)
                                 {
                                     Logger.Error?.Print(LogClass.ServiceLdn, "Could not locate LdnRyu server. Defaulting to stubbed wireless.");
+                                    Logger.Error?.Print(LogClass.ServiceLdn, ex.Message);
                                     NetworkClient = new LdnDisabledClient();
                                 }
                                 break;

src/Ryujinx.UI.Common/App/ApplicationLibrary.cs

@@ -44,6 +44,7 @@ namespace Ryujinx.UI.App.Common
 {
     public class ApplicationLibrary
     {
+        public static string DefaultLanPlayWebHost = "ryuldnweb.vudjun.com";
         public Language DesiredLanguage { get; set; }
         public event EventHandler<ApplicationCountUpdatedEventArgs> ApplicationCountUpdated;
         public event EventHandler<LdnGameDataReceivedEventArgs> LdnGameDataReceived;
@@ -788,9 +789,14 @@ namespace Ryujinx.UI.App.Common
             {
                 try
                 {
+                    string ldnWebHost = ConfigurationState.Instance.Multiplayer.LdnServer;
+                    if (string.IsNullOrEmpty(ldnWebHost))
+                    {
+                        ldnWebHost = DefaultLanPlayWebHost;
+                    }
                     IEnumerable<LdnGameData> ldnGameDataArray = Array.Empty<LdnGameData>();
                     using HttpClient httpClient = new HttpClient();
-                    string ldnGameDataArrayString = await httpClient.GetStringAsync("https://ryuldnweb.vudjun.com/api/public_games");
+                    string ldnGameDataArrayString = await httpClient.GetStringAsync($"https://{ldnWebHost}/api/public_games");
                     ldnGameDataArray = JsonHelper.Deserialize(ldnGameDataArrayString, _ldnDataSerializerContext.IEnumerableLdnGameData);
                     var evt = new LdnGameDataReceivedEventArgs
                     {
@@ -798,9 +804,9 @@ namespace Ryujinx.UI.App.Common
                     };
                     LdnGameDataReceived?.Invoke(null, evt);
                 }
-                catch
+                catch (Exception ex)
                 {
-                    Logger.Warning?.Print(LogClass.Application, "Failed to fetch the public games JSON from the API. Player and game count in the game list will be unavailable.");
+                    Logger.Warning?.Print(LogClass.Application, $"Failed to fetch the public games JSON from the API. Player and game count in the game list will be unavailable.\n{ex.Message}");
                     LdnGameDataReceived?.Invoke(null, new LdnGameDataReceivedEventArgs()
                     {
                         LdnData = Array.Empty<LdnGameData>()

src/Ryujinx.UI.Common/Configuration/ConfigurationFileFormat.cs

@@ -402,6 +402,11 @@ namespace Ryujinx.UI.Common.Configuration
         /// </summary>
         public string MultiplayerLdnPassphrase { get; set; }
 
+        /// <summary>
+        /// Custom LDN Server
+        /// </summary>
+        public string LdnServer { get; set; }
+
         /// <summary>
         /// Uses Hypervisor over JIT if available
         /// </summary>

src/Ryujinx.UI.Common/Configuration/ConfigurationState.cs

@@ -584,6 +584,11 @@ namespace Ryujinx.UI.Common.Configuration
             /// </summary>
             public ReactiveObject<string> LdnPassphrase { get; private set; }
 
+            /// <summary>
+            /// Custom LDN server
+            /// </summary>
+            public ReactiveObject<string> LdnServer { get; private set; }
+
             public MultiplayerSection()
             {
                 LanInterfaceId = new ReactiveObject<string>();
@@ -592,6 +597,7 @@ namespace Ryujinx.UI.Common.Configuration
                 DisableP2p = new ReactiveObject<bool>();
                 DisableP2p.Event += static (_, e) => LogValueChange(e, nameof(DisableP2p));
                 LdnPassphrase = new ReactiveObject<string>();
+                LdnServer = new ReactiveObject<string>();
             }
         }
 
@@ -801,6 +807,7 @@ namespace Ryujinx.UI.Common.Configuration
                 MultiplayerMode = Multiplayer.Mode,
                 MultiplayerDisableP2p = Multiplayer.DisableP2p,
                 MultiplayerLdnPassphrase = Multiplayer.LdnPassphrase,
+                LdnServer = Multiplayer.LdnServer,
             };
 
             return configurationFile;
@@ -862,6 +869,7 @@ namespace Ryujinx.UI.Common.Configuration
             Multiplayer.Mode.Value = MultiplayerMode.Disabled;
             Multiplayer.DisableP2p.Value = false;
             Multiplayer.LdnPassphrase.Value = "";
+            Multiplayer.LdnServer.Value = "";
             UI.GuiColumns.FavColumn.Value = true;
             UI.GuiColumns.IconColumn.Value = true;
             UI.GuiColumns.AppColumn.Value = true;
@@ -1656,6 +1664,7 @@ namespace Ryujinx.UI.Common.Configuration
             Multiplayer.Mode.Value = configurationFileFormat.MultiplayerMode;
             Multiplayer.DisableP2p.Value = configurationFileFormat.MultiplayerDisableP2p;
             Multiplayer.LdnPassphrase.Value = configurationFileFormat.MultiplayerLdnPassphrase;
+            Multiplayer.LdnServer.Value = configurationFileFormat.LdnServer;
 
             if (configurationFileUpdated)
             {

src/Ryujinx/AppHost.cs

@@ -208,6 +208,7 @@ namespace Ryujinx.Ava
             ConfigurationState.Instance.Multiplayer.LanInterfaceId.Event += UpdateLanInterfaceIdState;
             ConfigurationState.Instance.Multiplayer.Mode.Event += UpdateMultiplayerModeState;
             ConfigurationState.Instance.Multiplayer.LdnPassphrase.Event += UpdateLdnPassphraseState;
+            ConfigurationState.Instance.Multiplayer.LdnServer.Event += UpdateLdnServerState;
             ConfigurationState.Instance.Multiplayer.DisableP2p.Event += UpdateDisableP2pState;
 
             _gpuCancellationTokenSource = new CancellationTokenSource();
@@ -498,6 +499,11 @@ namespace Ryujinx.Ava
             Device.Configuration.MultiplayerLdnPassphrase = e.NewValue;
         }
 
+        private void UpdateLdnServerState(object sender, ReactiveEventArgs<string> e)
+        {
+            Device.Configuration.MultiplayerLdnServer = e.NewValue;
+        }
+
         private void UpdateDisableP2pState(object sender, ReactiveEventArgs<bool> e)
         {
             Device.Configuration.MultiplayerDisableP2p = e.NewValue;
@@ -878,7 +884,8 @@ namespace Ryujinx.Ava
                 ConfigurationState.Instance.Multiplayer.LanInterfaceId.Value,
                 ConfigurationState.Instance.Multiplayer.Mode,
                 ConfigurationState.Instance.Multiplayer.DisableP2p,
-                ConfigurationState.Instance.Multiplayer.LdnPassphrase));
+                ConfigurationState.Instance.Multiplayer.LdnPassphrase,
+                ConfigurationState.Instance.Multiplayer.LdnServer));
         }
 
         private static IHardwareDeviceDriver InitializeAudio()

src/Ryujinx/Assets/Locales/en_US.json

@@ -819,5 +819,9 @@
   "GenLdnPassTooltip": "Generates a new passphrase, which can be shared with other players.",
   "ClearLdnPass": "Clear",
   "ClearLdnPassTooltip": "Clears the current passphrase, returning to the public network.",
-  "InvalidLdnPassphrase": "Invalid Passphrase! Must be in the format \"Ryujinx-<8 hex chars>\""
+  "InvalidLdnPassphrase": "Invalid Passphrase! Must be in the format \"Ryujinx-<8 hex chars>\"",
+  "LdnServer": "Custom LDN Server:",
+  "LdnServerTooltip": "The LDN server to use for LDN connections. Leave blank to use the default server.",
+  "LdnServerInputTooltip": "Enter the URL of the LDN server to use.",
+  "LdnServerInputDefault": "(default)"
 }

src/Ryujinx/UI/ViewModels/SettingsViewModel.cs

@@ -58,6 +58,7 @@ namespace Ryujinx.Ava.UI.ViewModels
         private int _networkInterfaceIndex;
         private int _multiplayerModeIndex;
         private string _ldnPassphrase;
+        private string _LdnServer;
 
         public int ResolutionScale
         {
@@ -297,6 +298,16 @@ namespace Ryujinx.Ava.UI.ViewModels
 
         public bool IsInvalidLdnPassphraseVisible { get; set; }
 
+        public string LdnServer
+        {
+            get => _LdnServer;
+            set
+            {
+                _LdnServer = value;
+                OnPropertyChanged();
+            }
+        }
+
         public SettingsViewModel(VirtualFileSystem virtualFileSystem, ContentManager contentManager) : this()
         {
             _virtualFileSystem = virtualFileSystem;
@@ -525,6 +536,7 @@ namespace Ryujinx.Ava.UI.ViewModels
             MultiplayerModeIndex = (int)config.Multiplayer.Mode.Value;
             DisableP2P = config.Multiplayer.DisableP2p.Value;
             LdnPassphrase = config.Multiplayer.LdnPassphrase.Value;
+            LdnServer = config.Multiplayer.LdnServer.Value;
         }
 
         public void SaveSettings()
@@ -643,6 +655,7 @@ namespace Ryujinx.Ava.UI.ViewModels
             config.Multiplayer.Mode.Value = (MultiplayerMode)MultiplayerModeIndex;
             config.Multiplayer.DisableP2p.Value = DisableP2P;
             config.Multiplayer.LdnPassphrase.Value = LdnPassphrase;
+            config.Multiplayer.LdnServer.Value = LdnServer;
 
             config.ToFileFormat().SaveConfig(Program.ConfigurationPath);
 

src/Ryujinx/UI/Views/Settings/SettingsNetworkView.axaml

@@ -1,4 +1,4 @@
-<UserControl
+<UserControl
     x:Class="Ryujinx.Ava.UI.Views.Settings.SettingsNetworkView"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -87,6 +87,17 @@
                     IsVisible="{Binding IsInvalidLdnPassphraseVisible}"
                     Focusable="False"
                     Text="{ext:Locale InvalidLdnPassphrase}" />
+                <StackPanel Margin="10,0,0,0" Orientation="Horizontal">
+                    <TextBlock VerticalAlignment="Center"
+                        Text="{ext:Locale LdnServer}"
+                        ToolTip.Tip="{ext:Locale LdnServerTooltip}"
+                        Width="200" />
+                    <TextBox Name="LdnServer"
+                        Text="{Binding LdnServer}"
+                        Width="250"
+                        ToolTip.Tip="{ext:Locale LdnServerInputTooltip}"
+                        Watermark="{ext:Locale LdnServerInputDefault}" />
+                </StackPanel>
                 <Separator Height="1" />
                 <TextBlock Classes="h1" Text="{ext:Locale SettingsTabNetworkConnection}" />
                 <CheckBox Margin="10,0,0,0" IsChecked="{Binding EnableInternetAccess}">

src/Ryujinx/UI/Windows/MainWindow.axaml.cs

@@ -501,6 +501,11 @@ namespace Ryujinx.Ava.UI.Windows
             {
                 _ = Task.Run(ViewModel.ApplicationLibrary.RefreshLdn);
             };
+
+            ConfigurationState.Instance.Multiplayer.LdnServer.Event += (sender, evt) =>
+            {
+                _ = Task.Run(ViewModel.ApplicationLibrary.RefreshLdn);
+            };
             _ = Task.Run(ViewModel.ApplicationLibrary.RefreshLdn);
 
             ViewModel.RefreshFirmwareStatus();