When testing, start the core and then delay 1s before starting the test

https://github.com/2dust/v2rayN/issues/7391

v2rayN/Directory.Build.props

@@ -1,7 +1,7 @@
 <Project>
 
     <PropertyGroup>
-        <Version>7.12.5</Version>
+        <Version>7.12.6</Version>
     </PropertyGroup>
 
     <PropertyGroup>

v2rayN/Directory.Packages.props

@@ -5,21 +5,21 @@
     <CentralPackageVersionOverrideEnabled>false</CentralPackageVersionOverrideEnabled>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Avalonia.Controls.DataGrid" Version="11.3.0" />
-    <PackageVersion Include="Avalonia.Desktop" Version="11.3.0" />
-    <PackageVersion Include="Avalonia.Diagnostics" Version="11.3.0" />
-    <PackageVersion Include="Avalonia.ReactiveUI" Version="11.3.0" />
-    <PackageVersion Include="CliWrap" Version="3.8.2" />
+    <PackageVersion Include="Avalonia.Controls.DataGrid" Version="11.3.1" />
+    <PackageVersion Include="Avalonia.Desktop" Version="11.3.1" />
+    <PackageVersion Include="Avalonia.Diagnostics" Version="11.3.1" />
+    <PackageVersion Include="Avalonia.ReactiveUI" Version="11.3.1" />
+    <PackageVersion Include="CliWrap" Version="3.9.0" />
     <PackageVersion Include="Downloader" Version="3.3.4" />
     <PackageVersion Include="H.NotifyIcon.Wpf" Version="2.3.0" />
     <PackageVersion Include="MaterialDesignThemes" Version="5.2.1" />
     <PackageVersion Include="MessageBox.Avalonia" Version="3.2.0" />
     <PackageVersion Include="QRCoder" Version="1.6.0" />
-    <PackageVersion Include="ReactiveUI" Version="20.2.45" />
+    <PackageVersion Include="ReactiveUI" Version="20.3.1" />
     <PackageVersion Include="ReactiveUI.Fody" Version="19.5.41" />
-    <PackageVersion Include="ReactiveUI.WPF" Version="20.2.45" />
-    <PackageVersion Include="Semi.Avalonia" Version="11.2.1.7" />
-    <PackageVersion Include="Semi.Avalonia.DataGrid" Version="11.2.1.7" />
+    <PackageVersion Include="ReactiveUI.WPF" Version="20.3.1" />
+    <PackageVersion Include="Semi.Avalonia" Version="11.2.1.8" />
+    <PackageVersion Include="Semi.Avalonia.DataGrid" Version="11.2.1.8" />
     <PackageVersion Include="Splat.NLog" Version="15.3.1" />
     <PackageVersion Include="sqlite-net-pcl" Version="1.9.172" />
     <PackageVersion Include="TaskScheduler" Version="2.12.1" />

v2rayN/ServiceLib/Common/Utils.cs

@@ -582,7 +582,7 @@ public class Utils
             var result = await cmd.ExecuteBufferedAsync();
             if (result.IsSuccess)
             {
-                return result.StandardOutput.ToString();
+                return result.StandardOutput ?? "";
             }
 
             Logging.SaveLog(result.ToString() ?? "");
@@ -839,14 +839,46 @@ public class Utils
     public static async Task<string?> SetLinuxChmod(string? fileName)
     {
         if (fileName.IsNullOrEmpty())
+        {
             return null;
+        }
+        if (SetUnixFileMode(fileName))
+        {
+            Logging.SaveLog($"Successfully set the file execution permission, {fileName}");
+            return "";
+        }
+
         if (fileName.Contains(' '))
+        {
             fileName = fileName.AppendQuotes();
-        //File.SetUnixFileMode(fileName, UnixFileMode.UserRead | UnixFileMode.UserWrite | UnixFileMode.UserExecute);
+        }
         var arg = new List<string>() { "-c", $"chmod +x {fileName}" };
         return await GetCliWrapOutput(Global.LinuxBash, arg);
     }
 
+    public static bool SetUnixFileMode(string? fileName)
+    {
+        try
+        {
+            if (fileName.IsNullOrEmpty())
+            {
+                return false;
+            }
+
+            if (File.Exists(fileName))
+            {
+                var currentMode = File.GetUnixFileMode(fileName);
+                File.SetUnixFileMode(fileName, currentMode | UnixFileMode.UserExecute | UnixFileMode.GroupExecute | UnixFileMode.OtherExecute);
+                return true;
+            }
+        }
+        catch (Exception ex)
+        {
+            Logging.SaveLog("SetUnixFileMode", ex);
+        }
+        return false;
+    }
+
     public static async Task<string?> GetLinuxFontFamily(string lang)
     {
         // var arg = new List<string>() { "-c", $"fc-list :lang={lang} family" };

v2rayN/ServiceLib/Services/CoreConfig/CoreConfigV2rayService.cs

@@ -1366,16 +1366,32 @@ public class CoreConfigV2rayService
 
     private async Task<int> GenBalancer(V2rayConfig v2rayConfig, EMultipleLoad multipleLoad)
     {
-        if (multipleLoad is EMultipleLoad.LeastLoad or EMultipleLoad.LeastPing)
+        if (multipleLoad == EMultipleLoad.LeastPing)
         {
             var observatory = new Observatory4Ray
             {
                 subjectSelector = [Global.ProxyTag],
                 probeUrl = AppHandler.Instance.Config.SpeedTestItem.SpeedPingTestUrl,
-                probeInterval = "3m"
+                probeInterval = "3m",
+                enableConcurrency = true,
             };
             v2rayConfig.observatory = observatory;
         }
+        else if (multipleLoad == EMultipleLoad.LeastLoad)
+        {
+            var burstObservatory = new BurstObservatory4Ray
+            {
+                subjectSelector = [Global.ProxyTag],
+                pingConfig = new()
+                {
+                    destination = AppHandler.Instance.Config.SpeedTestItem.SpeedPingTestUrl,
+                    interval = "5m",
+                    timeout = "30s",
+                    sampling = 2,
+                }
+            };
+            v2rayConfig.burstObservatory = burstObservatory;
+        }
         var strategyType = multipleLoad switch
         {
             EMultipleLoad.Random => "random",

v2rayN/ServiceLib/Services/SpeedtestService.cs

@@ -196,6 +196,7 @@ public class SpeedtestService
             {
                 return false;
             }
+            await Task.Delay(1000);
 
             var downloadHandle = new DownloadService();
 
@@ -255,9 +256,13 @@ public class SpeedtestService
                 try
                 {
                     pid = await CoreHandler.Instance.LoadCoreConfigSpeedtest(it);
-                    if (pid > 0)
+                    if (pid < 0)
                     {
-                        await Task.Delay(500);
+                        UpdateFunc(it.IndexId, "", ResUI.FailedToRunCore);
+                    }
+                    else
+                    {
+                        await Task.Delay(1000);
                         var delay = await DoRealPing(downloadHandle, it);
                         if (blSpeedTest)
                         {
@@ -271,10 +276,6 @@ public class SpeedtestService
                             }
                         }
                     }
-                    else
-                    {
-                        UpdateFunc(it.IndexId, "", ResUI.FailedToRunCore);
-                    }
                 }
                 catch (Exception ex)
                 {

v2rayN/ServiceLib/Services/UpdateService.cs

@@ -485,6 +485,12 @@ public class UpdateService
 
     private async Task UpdateOtherFiles(Config config, Action<bool, string> updateFunc)
     {
+        //If it is not in China area, no update is required
+        if (config.ConstItem.GeoSourceUrl.IsNotEmpty())
+        {
+            return;
+        }
+
         _updateFunc = updateFunc;
 
         foreach (var url in Global.OtherGeoUrls)

v2rayN/ServiceLib/ViewModels/MainWindowViewModel.cs

@@ -552,6 +552,7 @@ public class MainWindowViewModel : MyReactiveObject
         {
             await LoadCore();
             await SysProxyHandler.UpdateSysProxy(_config, false);
+            await Task.Delay(1000);
         });
         Locator.Current.GetService<StatusBarViewModel>()?.TestServerAvailability();
 

v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs

@@ -29,7 +29,7 @@ public partial class MainWindow : ReactiveWindow<MainWindowViewModel>
         InitializeComponent();
 
         _config = AppHandler.Instance.Config;
-        _manager = new WindowNotificationManager(TopLevel.GetTopLevel(this)) { MaxItems = 3, Position = NotificationPosition.BottomRight };
+        _manager = new WindowNotificationManager(TopLevel.GetTopLevel(this)) { MaxItems = 3, Position = NotificationPosition.TopRight };
 
         this.KeyDown += MainWindow_KeyDown;
         menuSettingsSetUWP.Click += menuSettingsSetUWP_Click;