From c79e2e3ad4158561204dc57195f9b6cd72ab0b19 Mon Sep 17 00:00:00 2001
From: 2dust <31833384+2dust@users.noreply.github.com>
Date: Sun, 14 Jul 2024 16:13:28 +0800
Subject: [PATCH] Add functionality multi-server set as active

Implemented using sing-box Selector, which can be switched using the clash api
---
 v2rayN/v2rayN/Global.cs                       |   1 +
 v2rayN/v2rayN/Handler/ConfigHandler.cs        |  28 ++++
 .../Handler/CoreConfig/CoreConfigHandler.cs   |  11 ++
 .../Handler/CoreConfig/CoreConfigSingbox.cs   | 121 +++++++++++++++++-
 v2rayN/v2rayN/Handler/CoreHandler.cs          |   5 +-
 v2rayN/v2rayN/Models/SingboxConfig.cs         |   2 +
 v2rayN/v2rayN/Resx/ResUI.Designer.cs          |  11 +-
 v2rayN/v2rayN/Resx/ResUI.fa-Ir.resx           |   3 -
 v2rayN/v2rayN/Resx/ResUI.resx                 |   5 +-
 v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx         |   5 +-
 .../v2rayN/ViewModels/MainWindowViewModel.cs  |  32 ++++-
 v2rayN/v2rayN/Views/MainWindow.xaml           |   4 +
 v2rayN/v2rayN/Views/MainWindow.xaml.cs        |   3 +-
 13 files changed, 218 insertions(+), 13 deletions(-)

diff --git a/v2rayN/v2rayN/Global.cs b/v2rayN/v2rayN/Global.cs
index df2d3d98..09569b03 100644
--- a/v2rayN/v2rayN/Global.cs
+++ b/v2rayN/v2rayN/Global.cs
@@ -30,6 +30,7 @@ namespace v2rayN
         public const string CoreConfigFileName = "config.json";
         public const string CorePreConfigFileName = "configPre.json";
         public const string CoreSpeedtestConfigFileName = "configSpeedtest.json";
+        public const string CoreMultipleLoadConfigFileName = "configMultipleLoad.json";
         public const string ClashMixinConfigFileName = "Mixin.yaml";
         public const string V2raySampleClient = "v2rayN.Sample.SampleClientConfig";
         public const string SingboxSampleClient = "v2rayN.Sample.SingboxSampleClientConfig";
diff --git a/v2rayN/v2rayN/Handler/ConfigHandler.cs b/v2rayN/v2rayN/Handler/ConfigHandler.cs
index 0f789d96..b87981ab 100644
--- a/v2rayN/v2rayN/Handler/ConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/ConfigHandler.cs
@@ -3,6 +3,7 @@ using System.IO;
 using System.Text.RegularExpressions;
 using System.Web;
 using v2rayN.Enums;
+using v2rayN.Handler.CoreConfig;
 using v2rayN.Handler.Fmt;
 using v2rayN.Models;
 
@@ -1065,6 +1066,33 @@ namespace v2rayN.Handler
             return 0;
         }
 
+        public static int AddCustomServer4Multiple(Config config, List<ProfileItem> selecteds, out string indexId)
+        {
+            indexId = Utils.GetMD5(Global.CoreMultipleLoadConfigFileName);
+            string configPath = Utils.GetConfigPath(Global.CoreMultipleLoadConfigFileName);
+            if (CoreConfigHandler.GenerateClientMultipleLoadConfig(config, configPath, selecteds, out string msg) != 0)
+            {
+                return -1;
+            }
+
+            var fileName = configPath;
+            if (!File.Exists(fileName))
+            {
+                return -1;
+            }
+
+            var profileItem = LazyConfig.Instance.GetProfileItem(config.indexId) ?? new();
+            profileItem.indexId = indexId;
+            profileItem.remarks = "Multi-server Config";
+            profileItem.address = Global.CoreMultipleLoadConfigFileName;
+            profileItem.configType = EConfigType.Custom;
+            profileItem.coreType = ECoreType.sing_box;
+
+            AddServerCommon(config, profileItem, true);
+
+            return 0;
+        }
+
         #endregion Server
 
         #region Batch add servers
diff --git a/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigHandler.cs b/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigHandler.cs
index 533b7a91..12d5b458 100644
--- a/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigHandler.cs
@@ -144,5 +144,16 @@ namespace v2rayN.Handler.CoreConfig
             }
             return 0;
         }
+
+        public static int GenerateClientMultipleLoadConfig(Config config, string fileName, List<ProfileItem> selecteds, out string msg)
+        {
+            if (new CoreConfigSingbox(config).GenerateClientMultipleLoadConfig(selecteds, out SingboxConfig? singboxConfig, out msg) != 0)
+            {
+                return -1;
+            }
+            JsonUtils.ToFile(singboxConfig, fileName, false);
+
+            return 0;
+        }
     }
 }
\ No newline at end of file
diff --git a/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs b/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs
index 9f629723..a391d878 100644
--- a/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs
+++ b/v2rayN/v2rayN/Handler/CoreConfig/CoreConfigSingbox.cs
@@ -804,7 +804,7 @@ namespace v2rayN.Handler.CoreConfig
             return true;
         }
 
-        private int GenDns(ProfileItem node, SingboxConfig singboxConfig)
+        private int GenDns(ProfileItem? node, SingboxConfig singboxConfig)
         {
             try
             {
@@ -853,6 +853,7 @@ namespace v2rayN.Handler.CoreConfig
             var lstDomain = singboxConfig.outbounds
                            .Where(t => !Utils.IsNullOrEmpty(t.server) && Utils.IsDomain(t.server))
                            .Select(t => t.server)
+                           .Distinct()
                            .ToList();
             if (lstDomain != null && lstDomain.Count > 0)
             {
@@ -1169,5 +1170,123 @@ namespace v2rayN.Handler.CoreConfig
         }
 
         #endregion Gen speedtest config
+
+        #region Gen Multiple Load config
+
+        public int GenerateClientMultipleLoadConfig(List<ProfileItem> selecteds, out SingboxConfig? singboxConfig, out string msg)
+        {
+            singboxConfig = null;
+            try
+            {
+                if (_config == null)
+                {
+                    msg = ResUI.CheckServerSettings;
+                    return -1;
+                }
+
+                msg = ResUI.InitialConfiguration;
+
+                string result = Utils.GetEmbedText(Global.SingboxSampleClient);
+                string txtOutbound = Utils.GetEmbedText(Global.SingboxSampleOutbound);
+                if (Utils.IsNullOrEmpty(result) || txtOutbound.IsNullOrEmpty())
+                {
+                    msg = ResUI.FailedGetDefaultConfiguration;
+                    return -1;
+                }
+
+                singboxConfig = JsonUtils.Deserialize<SingboxConfig>(result);
+                if (singboxConfig == null)
+                {
+                    msg = ResUI.FailedGenDefaultConfiguration;
+                    return -1;
+                }
+
+                GenLog(singboxConfig);
+                GenInbounds(singboxConfig);
+                GenRouting(singboxConfig);
+                GenExperimental(singboxConfig);
+                singboxConfig.outbounds.RemoveAt(0);
+
+                var tagProxy = new List<string>();
+                foreach (var it in selecteds)
+                {
+                    if (it.configType == EConfigType.Custom)
+                    {
+                        continue;
+                    }
+                    if (it.port <= 0)
+                    {
+                        continue;
+                    }
+                    var item = LazyConfig.Instance.GetProfileItem(it.indexId);
+                    if (item is null)
+                    {
+                        continue;
+                    }
+                    if (it.configType is EConfigType.VMess or EConfigType.VLESS)
+                    {
+                        if (Utils.IsNullOrEmpty(item.id) || !Utils.IsGuidByParse(item.id))
+                        {
+                            continue;
+                        }
+                    }
+                    if (item.configType == EConfigType.Shadowsocks
+                      && !Global.SsSecuritiesInSingbox.Contains(item.security))
+                    {
+                        continue;
+                    }
+                    if (item.configType == EConfigType.VLESS && !Global.Flows.Contains(item.flow))
+                    {
+                        continue;
+                    }
+
+                    //outbound
+                    var outbound = JsonUtils.Deserialize<Outbound4Sbox>(txtOutbound);
+                    GenOutbound(item, outbound);
+                    outbound.tag = $"{Global.ProxyTag}-{tagProxy.Count + 1}";
+                    singboxConfig.outbounds.Add(outbound);
+                    tagProxy.Add(outbound.tag);
+                }
+                if (tagProxy.Count <= 0)
+                {
+                    msg = ResUI.FailedGenDefaultConfiguration;
+                    return -1;
+                }
+
+                GenDns(null, singboxConfig);
+                ConvertGeo2Ruleset(singboxConfig);
+
+                //add urltest outbound
+                var outUrltest = new Outbound4Sbox
+                {
+                    type = "urltest",
+                    tag = $"{Global.ProxyTag}-auto",
+                    outbounds = tagProxy,
+                    interrupt_exist_connections = false,
+                };
+                singboxConfig.outbounds.Add(outUrltest);
+
+                //add selector outbound
+                var outSelector = new Outbound4Sbox
+                {
+                    type = "selector",
+                    tag = Global.ProxyTag,
+                    outbounds = JsonUtils.DeepCopy(tagProxy),
+                    interrupt_exist_connections = false,
+                };
+                outSelector.outbounds.Insert(0, outUrltest.tag);
+                singboxConfig.outbounds.Add(outSelector);
+
+                return 0;
+            }
+            catch (Exception ex)
+            {
+                Logging.SaveLog(ex.Message, ex);
+                msg = ResUI.FailedGenDefaultConfiguration;
+                return -1;
+            }
+        }
+
+        #endregion Gen Multiple config
     }
 }
\ No newline at end of file
diff --git a/v2rayN/v2rayN/Handler/CoreHandler.cs b/v2rayN/v2rayN/Handler/CoreHandler.cs
index 2c4b4ae7..45cd76f0 100644
--- a/v2rayN/v2rayN/Handler/CoreHandler.cs
+++ b/v2rayN/v2rayN/Handler/CoreHandler.cs
@@ -27,9 +27,8 @@ namespace v2rayN.Handler
             Environment.SetEnvironmentVariable("xray.location.asset", Utils.GetBinPath(""), EnvironmentVariableTarget.Process);
         }
 
-        public void LoadCore()
-        {
-            var node = ConfigHandler.GetDefaultServer(_config);
+        public void LoadCore(ProfileItem? node)        {
+            
             if (node == null)
             {
                 ShowMsg(false, ResUI.CheckServerSettings);
diff --git a/v2rayN/v2rayN/Models/SingboxConfig.cs b/v2rayN/v2rayN/Models/SingboxConfig.cs
index e7b531ad..e712f74d 100644
--- a/v2rayN/v2rayN/Models/SingboxConfig.cs
+++ b/v2rayN/v2rayN/Models/SingboxConfig.cs
@@ -130,6 +130,8 @@
         public Multiplex4Sbox? multiplex { get; set; }
         public Transport4Sbox? transport { get; set; }
         public HyObfs4Sbox? obfs { get; set; }
+        public List<string>? outbounds { get; set; }
+        public bool? interrupt_exist_connections { get; set; }
     }
 
     public class Tls4Sbox
diff --git a/v2rayN/v2rayN/Resx/ResUI.Designer.cs b/v2rayN/v2rayN/Resx/ResUI.Designer.cs
index f0a21dcc..6fd8ee18 100644
--- a/v2rayN/v2rayN/Resx/ResUI.Designer.cs
+++ b/v2rayN/v2rayN/Resx/ResUI.Designer.cs
@@ -1078,7 +1078,7 @@ namespace v2rayN.Resx {
         }
         
         /// <summary>
-        ///   查找类似 Refresh Proxies (F5) 的本地化字符串。
+        ///   查找类似 Refresh Proxies 的本地化字符串。
         /// </summary>
         public static string menuProxiesReload {
             get {
@@ -1302,6 +1302,15 @@ namespace v2rayN.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Multi-server set to active 的本地化字符串。
+        /// </summary>
+        public static string menuSetDefaultMultipleServer {
+            get {
+                return ResourceManager.GetString("menuSetDefaultMultipleServer", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Set as active server (Enter) 的本地化字符串。
         /// </summary>
diff --git a/v2rayN/v2rayN/Resx/ResUI.fa-Ir.resx b/v2rayN/v2rayN/Resx/ResUI.fa-Ir.resx
index dd9b5d9d..83fd500e 100644
--- a/v2rayN/v2rayN/Resx/ResUI.fa-Ir.resx
+++ b/v2rayN/v2rayN/Resx/ResUI.fa-Ir.resx
@@ -1066,9 +1066,6 @@
   <data name="menuProxiesDelaytestPart" xml:space="preserve">
     <value>Part Node Latency Test</value>
   </data>
-  <data name="menuProxiesReload" xml:space="preserve">
-    <value>Refresh Proxies (F5)</value>
-  </data>
   <data name="menuProxiesSelectActivity" xml:space="preserve">
     <value>Select active node (Enter)</value>
   </data>
diff --git a/v2rayN/v2rayN/Resx/ResUI.resx b/v2rayN/v2rayN/Resx/ResUI.resx
index 5c21c5a3..b83b6a7f 100644
--- a/v2rayN/v2rayN/Resx/ResUI.resx
+++ b/v2rayN/v2rayN/Resx/ResUI.resx
@@ -1292,7 +1292,7 @@
     <value>Part Node Latency Test</value>
   </data>
   <data name="menuProxiesReload" xml:space="preserve">
-    <value>Refresh Proxies (F5)</value>
+    <value>Refresh Proxies</value>
   </data>
   <data name="menuProxiesSelectActivity" xml:space="preserve">
     <value>Select active node (Enter)</value>
@@ -1300,4 +1300,7 @@
   <data name="TbSettingsDomainStrategy4Out" xml:space="preserve">
     <value>Default domain strategy for outbound</value>
   </data>
+  <data name="menuSetDefaultMultipleServer" xml:space="preserve">
+    <value>Multi-server set to active</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx b/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx
index 57a36652..e041b2ca 100644
--- a/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx
+++ b/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx
@@ -1289,7 +1289,7 @@
     <value>当前部分节点延迟测试</value>
   </data>
   <data name="menuProxiesReload" xml:space="preserve">
-    <value>刷新 (F5)</value>
+    <value>刷新</value>
   </data>
   <data name="menuProxiesSelectActivity" xml:space="preserve">
     <value>设为活动节点 (Enter)</value>
@@ -1297,4 +1297,7 @@
   <data name="TbSettingsDomainStrategy4Out" xml:space="preserve">
     <value>Outbound默认解析策略</value>
   </data>
+  <data name="menuSetDefaultMultipleServer" xml:space="preserve">
+    <value>多服务器设为活动(多选)</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
index 8f3f8daa..7331d9cf 100644
--- a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
@@ -106,6 +106,7 @@ namespace v2rayN.ViewModels
         public ReactiveCommand<Unit, Unit> CopyServerCmd { get; }
         public ReactiveCommand<Unit, Unit> SetDefaultServerCmd { get; }
         public ReactiveCommand<Unit, Unit> ShareServerCmd { get; }
+        public ReactiveCommand<Unit, Unit> SetDefaultMultipleServerCmd { get; }
 
         //servers move
         public ReactiveCommand<Unit, Unit> MoveTopCmd { get; }
@@ -398,6 +399,10 @@ namespace v2rayN.ViewModels
             {
                 ShareServer();
             }, canEditRemove);
+            SetDefaultMultipleServerCmd = ReactiveCommand.Create(() =>
+            {
+                SetDefaultMultipleServer();
+            }, canEditRemove);
             //servers move
             MoveTopCmd = ReactiveCommand.Create(() =>
             {
@@ -1166,6 +1171,28 @@ namespace v2rayN.ViewModels
             await DialogHost.Show(dialog, "RootDialog");
         }
 
+        private void SetDefaultMultipleServer()
+        {
+            if (GetProfileItems(out List<ProfileItem> lstSelecteds, true) < 0)
+            {
+                return;
+            }
+
+            if (ConfigHandler.AddCustomServer4Multiple(_config, lstSelecteds, out string indexId) != 0)
+            {
+                _noticeHandler?.Enqueue(ResUI.OperationFailed);
+                return;
+            }
+            if (indexId == _config.indexId)
+            {
+                Reload();
+            }
+            else
+            {
+                SetDefaultServer(indexId);
+            }
+        }
+
         public void SortServer(string colName)
         {
             if (Utils.IsNullOrEmpty(colName))
@@ -1519,7 +1546,7 @@ namespace v2rayN.ViewModels
                 Application.Current?.Dispatcher.Invoke((Action)(() =>
                 {
                     BlReloadEnabled = true;
-                    ShowCalshUI = (_config.runningCoreType is ECoreType.clash or ECoreType.clash_meta or ECoreType.mihomo);
+                    ShowCalshUI = (_config.runningCoreType is ECoreType.sing_box or ECoreType.clash or ECoreType.clash_meta or ECoreType.mihomo);
                     if (ShowCalshUI)
                     {
                         Locator.Current.GetService<ClashProxiesViewModel>()?.ProxiesReload();
@@ -1532,7 +1559,8 @@ namespace v2rayN.ViewModels
         {
             await Task.Run(() =>
             {
-                _coreHandler.LoadCore();
+                var node = ConfigHandler.GetDefaultServer(_config);
+                _coreHandler.LoadCore(node);
 
                 //ConfigHandler.SaveConfig(_config, false);
 
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml b/v2rayN/v2rayN/Views/MainWindow.xaml
index 3c1df543..5a463f88 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml
@@ -581,6 +581,10 @@
                                         x:Name="menuShareServer"
                                         Height="{StaticResource MenuItemHeight}"
                                         Header="{x:Static resx:ResUI.menuShareServer}" />
+                                    <MenuItem
+                                        x:Name="menuSetDefaultMultipleServer"
+                                        Height="{StaticResource MenuItemHeight}"
+                                        Header="{x:Static resx:ResUI.menuSetDefaultMultipleServer}" />
                                     <Separator />
                                     <MenuItem
                                         x:Name="menuMixedTestServer"
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml.cs b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
index ca28f579..1e547fe8 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
@@ -104,7 +104,8 @@ namespace v2rayN.Views
                 this.BindCommand(ViewModel, vm => vm.CopyServerCmd, v => v.menuCopyServer).DisposeWith(disposables);
                 this.BindCommand(ViewModel, vm => vm.SetDefaultServerCmd, v => v.menuSetDefaultServer).DisposeWith(disposables);
                 this.BindCommand(ViewModel, vm => vm.ShareServerCmd, v => v.menuShareServer).DisposeWith(disposables);
-
+                this.BindCommand(ViewModel, vm => vm.SetDefaultMultipleServerCmd, v => v.menuSetDefaultMultipleServer).DisposeWith(disposables);
+                
                 //servers move
                 this.OneWayBind(ViewModel, vm => vm.SubItems, v => v.cmbMoveToGroup.ItemsSource).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.SelectedMoveToGroup, v => v.cmbMoveToGroup.SelectedItem).DisposeWith(disposables);