Add group in traffic splitting support

v2rayN/ServiceLib/Global.cs

@@ -50,6 +50,7 @@ public class Global
     public const string DirectTag = "direct";
     public const string BlockTag = "block";
     public const string DnsTag = "dns-module";
+    public const string BalancerTagSuffix = "-round";
     public const string StreamSecurity = "tls";
     public const string StreamSecurityReality = "reality";
     public const string Loopback = "127.0.0.1";

v2rayN/ServiceLib/Services/CoreConfig/Singbox/CoreConfigSingboxService.cs

@@ -398,12 +398,12 @@ public partial class CoreConfigSingboxService(Config config)
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
+            singboxConfig.outbounds.RemoveAt(0);
 
             await GenLog(singboxConfig);
             await GenInbounds(singboxConfig);
             await GenRouting(singboxConfig);
             await GenExperimental(singboxConfig);
-            singboxConfig.outbounds.RemoveAt(0);
 
             var proxyProfiles = new List<ProfileItem>();
             foreach (var it in selecteds)

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs

@@ -368,6 +368,39 @@ public partial class CoreConfigSingboxService
         }
 
         var node = await AppManager.Instance.GetProfileItemViaRemarks(outboundTag);
+
+        if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+        {
+            ProfileGroupItemManager.Instance.TryGet(node.IndexId, out var profileGroupItem);
+            if (profileGroupItem == null || profileGroupItem.ChildItems.IsNullOrEmpty())
+            {
+                return Global.ProxyTag;
+            }
+            var childProfiles = (await Task.WhenAll(
+                    Utils.String2List(profileGroupItem.ChildItems)
+                    .Where(p => !p.IsNullOrEmpty())
+                    .Select(AppManager.Instance.GetProfileItem)
+                )).Where(p => p != null).ToList();
+            if (childProfiles.Count <= 0)
+            {
+                return Global.ProxyTag;
+            }
+            var childBaseTagName = $"{Global.ProxyTag}-{node.IndexId}";
+            var ret = node.ConfigType switch
+            {
+                EConfigType.PolicyGroup =>
+                    await GenOutboundsList(childProfiles, singboxConfig, profileGroupItem.MultipleLoad, childBaseTagName),
+                EConfigType.ProxyChain =>
+                    await GenChainOutboundsList(childProfiles, singboxConfig, childBaseTagName),
+                _ => throw new NotImplementedException()
+            };
+            if (ret == 0)
+            {
+                return childBaseTagName;
+            }
+            return Global.ProxyTag;
+        }
+
         if (node == null
             || !Global.SingboxSupportConfigType.Contains(node.ConfigType))
         {

v2rayN/ServiceLib/Services/CoreConfig/V2ray/CoreConfigV2rayService.cs

@@ -126,13 +126,13 @@ public partial class CoreConfigV2rayService(Config config)
                 ret.Msg = ResUI.FailedGenDefaultConfiguration;
                 return ret;
             }
+            v2rayConfig.outbounds.RemoveAt(0);
 
             await GenLog(v2rayConfig);
             await GenInbounds(v2rayConfig);
             await GenRouting(v2rayConfig);
             await GenDns(null, v2rayConfig);
             await GenStatistic(v2rayConfig);
-            v2rayConfig.outbounds.RemoveAt(0);
 
             var proxyProfiles = new List<ProfileItem>();
             foreach (var it in selecteds)
@@ -183,18 +183,37 @@ public partial class CoreConfigV2rayService(Config config)
             await GenOutboundsList(proxyProfiles, v2rayConfig);
 
             //add balancers
+            await GenObservatory(v2rayConfig, multipleLoad);
             await GenBalancer(v2rayConfig, multipleLoad);
 
-            var balancer = v2rayConfig.routing.balancers.First();
+            var defaultBalancerTag = $"{Global.ProxyTag}{Global.BalancerTagSuffix}";
 
             //add rule
-            var rules = v2rayConfig.routing.rules.Where(t => t.outboundTag == Global.ProxyTag).ToList();
+            var rules = v2rayConfig.routing.rules;
             if (rules?.Count > 0)
             {
+                var balancerTagSet = v2rayConfig.routing.balancers
+                    .Select(b => b.tag)
+                    .ToHashSet();
+
                 foreach (var rule in rules)
                 {
+                    if (rule.outboundTag == null)
+                        continue;
+
+                    if (balancerTagSet.Contains(rule.outboundTag))
+                    {
+                        rule.balancerTag = rule.outboundTag;
                         rule.outboundTag = null;
-                    rule.balancerTag = balancer.tag;
+                        continue;
+                    }
+
+                    var outboundWithSuffix = rule.outboundTag + Global.BalancerTagSuffix;
+                    if (balancerTagSet.Contains(outboundWithSuffix))
+                    {
+                        rule.balancerTag = outboundWithSuffix;
+                        rule.outboundTag = null;
+                    }
                 }
             }
             if (v2rayConfig.routing.domainStrategy == Global.IPIfNonMatch)
@@ -202,7 +221,7 @@ public partial class CoreConfigV2rayService(Config config)
                 v2rayConfig.routing.rules.Add(new()
                 {
                     ip = ["0.0.0.0/0", "::/0"],
-                    balancerTag = balancer.tag,
+                    balancerTag = defaultBalancerTag,
                     type = "field"
                 });
             }
@@ -211,7 +230,7 @@ public partial class CoreConfigV2rayService(Config config)
                 v2rayConfig.routing.rules.Add(new()
                 {
                     network = "tcp,udp",
-                    balancerTag = balancer.tag,
+                    balancerTag = defaultBalancerTag,
                     type = "field"
                 });
             }

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayBalancerService.cs

@@ -2,7 +2,7 @@ namespace ServiceLib.Services.CoreConfig;
 
 public partial class CoreConfigV2rayService
 {
-    private async Task<int> GenBalancer(V2rayConfig v2rayConfig, EMultipleLoad multipleLoad)
+    private async Task<int> GenObservatory(V2rayConfig v2rayConfig, EMultipleLoad multipleLoad)
     {
         if (multipleLoad == EMultipleLoad.LeastPing)
         {
@@ -30,6 +30,11 @@ public partial class CoreConfigV2rayService
             };
             v2rayConfig.burstObservatory = burstObservatory;
         }
+        return await Task.FromResult(0);
+    }
+
+    private async Task<string> GenBalancer(V2rayConfig v2rayConfig, EMultipleLoad multipleLoad, string selector = Global.ProxyTag)
+    {
         var strategyType = multipleLoad switch
         {
             EMultipleLoad.Random => "random",
@@ -38,9 +43,10 @@ public partial class CoreConfigV2rayService
             EMultipleLoad.LeastLoad => "leastLoad",
             _ => "roundRobin",
         };
+        var balancerTag = $"{selector}{Global.BalancerTagSuffix}";
         var balancer = new BalancersItem4Ray
         {
-            selector = [Global.ProxyTag],
+            selector = [selector],
             strategy = new()
             {
                 type = strategyType,
@@ -49,9 +55,10 @@ public partial class CoreConfigV2rayService
                     expected = 1,
                 },
             },
-            tag = $"{Global.ProxyTag}-round",
+            tag = balancerTag,
         };
-        v2rayConfig.routing.balancers = [balancer];
+        v2rayConfig.routing.balancers ??= new();
-        return await Task.FromResult(0);
+        v2rayConfig.routing.balancers.Add(balancer);
+        return await Task.FromResult(balancerTag);
     }
 }

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs

@@ -746,14 +746,15 @@ public partial class CoreConfigV2rayService
             }
             else
             {
-                outbound.tag = baseTagName + i.ToString();
+                // avoid v2ray observe
+                outbound.tag = "chain-" + baseTagName + i.ToString();
             }
 
             if (i != nodes.Count - 1)
             {
                 outbound.streamSettings.sockopt = new()
                 {
-                    dialerProxy = baseTagName + (i + 1).ToString()
+                    dialerProxy = "chain-" + baseTagName + (i + 1).ToString()
                 };
             }
 

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayRoutingService.cs

@@ -125,6 +125,43 @@ public partial class CoreConfigV2rayService
         }
 
         var node = await AppManager.Instance.GetProfileItemViaRemarks(outboundTag);
+
+        if (node.ConfigType is EConfigType.PolicyGroup or EConfigType.ProxyChain)
+        {
+            ProfileGroupItemManager.Instance.TryGet(node.IndexId, out var profileGroupItem);
+            if (profileGroupItem == null || profileGroupItem.ChildItems.IsNullOrEmpty())
+            {
+                return Global.ProxyTag;
+            }
+            var childProfiles = (await Task.WhenAll(
+                    Utils.String2List(profileGroupItem.ChildItems)
+                    .Where(p => !p.IsNullOrEmpty())
+                    .Select(AppManager.Instance.GetProfileItem)
+                )).Where(p => p != null).ToList();
+            if (childProfiles.Count <= 0)
+            {
+                return Global.ProxyTag;
+            }
+            var childBaseTagName = $"{Global.ProxyTag}-{node.IndexId}";
+            var ret = node.ConfigType switch
+            {
+                EConfigType.PolicyGroup =>
+                    await GenOutboundsList(childProfiles, v2rayConfig, childBaseTagName),
+                EConfigType.ProxyChain =>
+                    await GenChainOutboundsList(childProfiles, v2rayConfig, childBaseTagName),
+                _ => throw new NotImplementedException()
+            };
+            if (node.ConfigType == EConfigType.PolicyGroup)
+            {
+                await GenBalancer(v2rayConfig, profileGroupItem.MultipleLoad, childBaseTagName);
+            }
+            if (ret == 0)
+            {
+                return childBaseTagName;
+            }
+            return Global.ProxyTag;
+        }
+
         if (node == null
             || !Global.XraySupportConfigType.Contains(node.ConfigType))
         {

v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml.cs

@@ -98,7 +98,7 @@ public partial class RoutingRuleDetailsWindow : WindowBase<RoutingRuleDetailsVie
     private async void BtnSelectProfile_Click(object? sender, RoutedEventArgs e)
     {
         var selectWindow = new ProfilesSelectWindow();
-        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom, EConfigType.PolicyGroup, EConfigType.ProxyChain }, exclude: true);
+        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom }, exclude: true);
         var result = await selectWindow.ShowDialog<bool?>(this);
         if (result == true)
         {

v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs

@@ -91,7 +91,7 @@ public partial class RoutingRuleDetailsWindow
     private async void BtnSelectProfile_Click(object sender, RoutedEventArgs e)
     {
         var selectWindow = new ProfilesSelectWindow();
-        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom, EConfigType.PolicyGroup, EConfigType.ProxyChain }, exclude: true);
+        selectWindow.SetConfigTypeFilter(new[] { EConfigType.Custom }, exclude: true);
         if (selectWindow.ShowDialog() == true)
         {
             var profile = await selectWindow.ProfileItem;