Optimization and Improvement.

Changed callback from synchronous Action<bool, string> to asynchronous Func<bool, string, Task>

v2rayN/ServiceLib/Handler/SubscriptionHandler.cs

@@ -2,17 +2,18 @@ namespace ServiceLib.Handler;
 
 public static class SubscriptionHandler
 {
-    public static async Task UpdateProcess(Config config, string subId, bool blProxy, Action<bool, string> updateFunc)
+    public static async Task UpdateProcess(Config config, string subId, bool blProxy, Func<bool, string, Task> updateFunc)
     {
-        updateFunc?.Invoke(false, ResUI.MsgUpdateSubscriptionStart);
+        await updateFunc?.Invoke(false, ResUI.MsgUpdateSubscriptionStart);
         var subItem = await AppManager.Instance.SubItems();
 
         if (subItem is not { Count: > 0 })
         {
-            updateFunc?.Invoke(false, ResUI.MsgNoValidSubscription);
+            await updateFunc?.Invoke(false, ResUI.MsgNoValidSubscription);
             return;
         }
 
+        var successCount = 0;
         foreach (var item in subItem)
         {
             try
@@ -25,32 +26,35 @@ public static class SubscriptionHandler
                 var hashCode = $"{item.Remarks}->";
                 if (item.Enabled == false)
                 {
-                    updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgSkipSubscriptionUpdate}");
+                    await updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgSkipSubscriptionUpdate}");
                     continue;
                 }
 
                 // Create download handler
                 var downloadHandle = CreateDownloadHandler(hashCode, updateFunc);
-                updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgStartGettingSubscriptions}");
+                await updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgStartGettingSubscriptions}");
 
                 // Get all subscription content (main subscription + additional subscriptions)
                 var result = await DownloadAllSubscriptions(config, item, blProxy, downloadHandle);
 
                 // Process download result
-                await ProcessDownloadResult(config, item.Id, result, hashCode, updateFunc);
+                if (await ProcessDownloadResult(config, item.Id, result, hashCode, updateFunc))
+                {
+                    successCount++;
+                }
 
-                updateFunc?.Invoke(false, "-------------------------------------------------------");
+                await updateFunc?.Invoke(false, "-------------------------------------------------------");
             }
             catch (Exception ex)
             {
                 var hashCode = $"{item.Remarks}->";
                 Logging.SaveLog("UpdateSubscription", ex);
-                updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgFailedImportSubscription}: {ex.Message}");
-                updateFunc?.Invoke(false, "-------------------------------------------------------");
+                await updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgFailedImportSubscription}: {ex.Message}");
+                await updateFunc?.Invoke(false, "-------------------------------------------------------");
             }
         }
 
-        updateFunc?.Invoke(true, $"{ResUI.MsgUpdateSubscriptionEnd}");
+        await updateFunc?.Invoke(successCount > 0, $"{ResUI.MsgUpdateSubscriptionEnd}");
     }
 
     private static bool IsValidSubscription(SubItem item, string subId)
@@ -76,7 +80,7 @@ public static class SubscriptionHandler
         return true;
     }
 
-    private static DownloadService CreateDownloadHandler(string hashCode, Action<bool, string> updateFunc)
+    private static DownloadService CreateDownloadHandler(string hashCode, Func<bool, string, Task> updateFunc)
     {
         var downloadHandle = new DownloadService();
         downloadHandle.Error += (sender2, args) =>
@@ -181,23 +185,23 @@ public static class SubscriptionHandler
         return result;
     }
 
-    private static async Task ProcessDownloadResult(Config config, string id, string result, string hashCode, Action<bool, string> updateFunc)
+    private static async Task<bool> ProcessDownloadResult(Config config, string id, string result, string hashCode, Func<bool, string, Task> updateFunc)
     {
         if (result.IsNullOrEmpty())
         {
-            updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgSubscriptionDecodingFailed}");
-            return;
+            await updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgSubscriptionDecodingFailed}");
+            return false;
         }
 
-        updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgGetSubscriptionSuccessfully}");
+        await updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgGetSubscriptionSuccessfully}");
 
         // If result is too short, display content directly
         if (result.Length < 99)
         {
-            updateFunc?.Invoke(false, $"{hashCode}{result}");
+            await updateFunc?.Invoke(false, $"{hashCode}{result}");
         }
 
-        updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgStartParsingSubscription}");
+        await updateFunc?.Invoke(false, $"{hashCode}{ResUI.MsgStartParsingSubscription}");
 
         // Add servers to configuration
         var ret = await ConfigHandler.AddBatchServers(config, result, id, true);
@@ -208,9 +212,10 @@ public static class SubscriptionHandler
         }
 
         // Update completion message
-        updateFunc?.Invoke(false,
-            ret > 0
+        await updateFunc?.Invoke(false, ret > 0
                 ? $"{hashCode}{ResUI.MsgUpdateSubscriptionEnd}"
                 : $"{hashCode}{ResUI.MsgFailedImportSubscription}");
+
+        return ret > 0;
     }
 }

v2rayN/ServiceLib/Manager/ClashApiManager.cs

@@ -35,7 +35,7 @@ public sealed class ClashApiManager
         return null;
     }
 
-    public void ClashProxiesDelayTest(bool blAll, List<ClashProxyModel> lstProxy, Action<ClashProxyModel?, string> updateFunc)
+    public void ClashProxiesDelayTest(bool blAll, List<ClashProxyModel> lstProxy, Func<ClashProxyModel?, string, Task> updateFunc)
     {
         Task.Run(async () =>
         {
@@ -79,12 +79,12 @@ public sealed class ClashApiManager
                 tasks.Add(Task.Run(async () =>
                 {
                     var result = await HttpClientHelper.Instance.TryGetAsync(url);
-                    updateFunc?.Invoke(it, result);
+                    await updateFunc?.Invoke(it, result);
                 }));
             }
             await Task.WhenAll(tasks);
             await Task.Delay(1000);
-            updateFunc?.Invoke(null, "");
+            await updateFunc?.Invoke(null, "");
         });
     }
 

v2rayN/ServiceLib/Manager/CoreAdminManager.cs

@@ -10,11 +10,11 @@ public class CoreAdminManager
     private static readonly Lazy<CoreAdminManager> _instance = new(() => new());
     public static CoreAdminManager Instance => _instance.Value;
     private Config _config;
-    private Action<bool, string>? _updateFunc;
+    private Func<bool, string, Task>? _updateFunc;
     private int _linuxSudoPid = -1;
     private const string _tag = "CoreAdminHandler";
 
-    public async Task Init(Config config, Action<bool, string> updateFunc)
+    public async Task Init(Config config, Func<bool, string, Task> updateFunc)
     {
         if (_config != null)
         {
@@ -26,9 +26,9 @@ public class CoreAdminManager
         await Task.CompletedTask;
     }
 
-    private void UpdateFunc(bool notify, string msg)
+    private async Task UpdateFunc(bool notify, string msg)
     {
-        _updateFunc?.Invoke(notify, msg);
+        await _updateFunc?.Invoke(notify, msg);
     }
 
     public async Task<Process?> RunProcessAsLinuxSudo(string fileName, CoreInfo coreInfo, string configPath)
@@ -60,7 +60,7 @@ public class CoreAdminManager
         {
             if (e.Data.IsNotEmpty())
             {
-                UpdateFunc(false, e.Data + Environment.NewLine);
+                _ = UpdateFunc(false, e.Data + Environment.NewLine);
             }
         }
 
@@ -106,7 +106,7 @@ public class CoreAdminManager
                 .WithStandardInputPipe(PipeSource.FromString(AppManager.Instance.LinuxSudoPwd))
                 .ExecuteBufferedAsync();
 
-            UpdateFunc(false, result.StandardOutput.ToString());
+            await UpdateFunc(false, result.StandardOutput.ToString());
         }
         catch (Exception ex)
         {

v2rayN/ServiceLib/Manager/CoreManager.cs

@@ -14,10 +14,10 @@ public class CoreManager
     private Process? _process;
     private Process? _processPre;
     private bool _linuxSudo = false;
-    private Action<bool, string>? _updateFunc;
+    private Func<bool, string, Task>? _updateFunc;
     private const string _tag = "CoreHandler";
 
-    public async Task Init(Config config, Action<bool, string> updateFunc)
+    public async Task Init(Config config, Func<bool, string, Task> updateFunc)
     {
         _config = config;
         _updateFunc = updateFunc;
@@ -63,7 +63,7 @@ public class CoreManager
     {
         if (node == null)
         {
-            UpdateFunc(false, ResUI.CheckServerSettings);
+            await UpdateFunc(false, ResUI.CheckServerSettings);
             return;
         }
 
@@ -71,13 +71,13 @@ public class CoreManager
         var result = await CoreConfigHandler.GenerateClientConfig(node, fileName);
         if (result.Success != true)
         {
-            UpdateFunc(true, result.Msg);
+            await UpdateFunc(true, result.Msg);
             return;
         }
 
-        UpdateFunc(false, $"{node.GetSummary()}");
-        UpdateFunc(false, $"{Utils.GetRuntimeInfo()}");
-        UpdateFunc(false, string.Format(ResUI.StartService, DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss")));
+        await UpdateFunc(false, $"{node.GetSummary()}");
+        await UpdateFunc(false, $"{Utils.GetRuntimeInfo()}");
+        await UpdateFunc(false, string.Format(ResUI.StartService, DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss")));
         await CoreStop();
         await Task.Delay(100);
 
@@ -91,7 +91,7 @@ public class CoreManager
         await CoreStartPreService(node);
         if (_process != null)
         {
-            UpdateFunc(true, $"{node.GetSummary()}");
+            await UpdateFunc(true, $"{node.GetSummary()}");
         }
     }
 
@@ -101,14 +101,14 @@ public class CoreManager
         var fileName = string.Format(Global.CoreSpeedtestConfigFileName, Utils.GetGuid(false));
         var configPath = Utils.GetBinConfigPath(fileName);
         var result = await CoreConfigHandler.GenerateClientSpeedtestConfig(_config, configPath, selecteds, coreType);
-        UpdateFunc(false, result.Msg);
+        await UpdateFunc(false, result.Msg);
         if (result.Success != true)
         {
             return -1;
         }
 
-        UpdateFunc(false, string.Format(ResUI.StartService, DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss")));
-        UpdateFunc(false, configPath);
+        await UpdateFunc(false, string.Format(ResUI.StartService, DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss")));
+        await UpdateFunc(false, configPath);
 
         var coreInfo = CoreInfoManager.Instance.GetCoreInfo(coreType);
         var proc = await RunProcess(coreInfo, fileName, true, false);
@@ -216,9 +216,9 @@ public class CoreManager
         }
     }
 
-    private void UpdateFunc(bool notify, string msg)
+    private async Task UpdateFunc(bool notify, string msg)
     {
-        _updateFunc?.Invoke(notify, msg);
+        await _updateFunc?.Invoke(notify, msg);
     }
 
     #endregion Private
@@ -230,7 +230,7 @@ public class CoreManager
         var fileName = CoreInfoManager.Instance.GetCoreExecFile(coreInfo, out var msg);
         if (fileName.IsNullOrEmpty())
         {
-            UpdateFunc(false, msg);
+            await UpdateFunc(false, msg);
             return null;
         }
 
@@ -251,7 +251,7 @@ public class CoreManager
         catch (Exception ex)
         {
             Logging.SaveLog(_tag, ex);
-            UpdateFunc(mayNeedSudo, ex.Message);
+            await UpdateFunc(mayNeedSudo, ex.Message);
             return null;
         }
     }
@@ -284,7 +284,7 @@ public class CoreManager
             {
                 if (e.Data.IsNotEmpty())
                 {
-                    UpdateFunc(false, e.Data + Environment.NewLine);
+                    _ = UpdateFunc(false, e.Data + Environment.NewLine);
                 }
             }
             proc.OutputDataReceived += dataHandler;

v2rayN/ServiceLib/Manager/StatisticsManager.cs

@@ -8,14 +8,14 @@ public class StatisticsManager
     private Config _config;
     private ServerStatItem? _serverStatItem;
     private List<ServerStatItem> _lstServerStat;
-    private Action<ServerSpeedItem>? _updateFunc;
+    private Func<ServerSpeedItem, Task>? _updateFunc;
 
     private StatisticsXrayService? _statisticsXray;
     private StatisticsSingboxService? _statisticsSingbox;
     private static readonly string _tag = "StatisticsHandler";
     public List<ServerStatItem> ServerStat => _lstServerStat;
 
-    public async Task Init(Config config, Action<ServerSpeedItem> updateFunc)
+    public async Task Init(Config config, Func<ServerSpeedItem, Task> updateFunc)
     {
         _config = config;
         _updateFunc = updateFunc;
@@ -97,9 +97,9 @@ public class StatisticsManager
         _lstServerStat = await SQLiteHelper.Instance.TableAsync<ServerStatItem>().ToListAsync();
     }
 
-    private void UpdateServerStatHandler(ServerSpeedItem server)
+    private async Task UpdateServerStatHandler(ServerSpeedItem server)
     {
-        _ = UpdateServerStat(server);
+        await UpdateServerStat(server);
     }
 
     private async Task UpdateServerStat(ServerSpeedItem server)
@@ -123,7 +123,7 @@ public class StatisticsManager
         server.TodayDown = _serverStatItem.TodayDown;
         server.TotalUp = _serverStatItem.TotalUp;
         server.TotalDown = _serverStatItem.TotalDown;
-        _updateFunc?.Invoke(server);
+        await _updateFunc?.Invoke(server);
     }
 
     private async Task GetServerStatItem(string indexId)

v2rayN/ServiceLib/Manager/TaskManager.cs

@@ -4,13 +4,18 @@ public class TaskManager
 {
     private static readonly Lazy<TaskManager> _instance = new(() => new());
     public static TaskManager Instance => _instance.Value;
+    private Config _config;
+    private Func<bool, string, Task>? _updateFunc;
 
-    public void RegUpdateTask(Config config, Action<bool, string> updateFunc)
+    public void RegUpdateTask(Config config, Func<bool, string, Task> updateFunc)
     {
-        Task.Run(() => ScheduledTasks(config, updateFunc));
+        _config = config;
+        _updateFunc = updateFunc;
+
+        Task.Run(ScheduledTasks);
     }
 
-    private async Task ScheduledTasks(Config config, Action<bool, string> updateFunc)
+    private async Task ScheduledTasks()
     {
         Logging.SaveLog("Setup Scheduled Tasks");
 
@@ -21,14 +26,14 @@ public class TaskManager
             await Task.Delay(1000 * 60);
 
             //Execute once 1 minute
-            await UpdateTaskRunSubscription(config, updateFunc);
+            await UpdateTaskRunSubscription();
 
             //Execute once 20 minute
             if (numOfExecuted % 20 == 0)
             {
                 //Logging.SaveLog("Execute save config");
 
-                await ConfigHandler.SaveConfig(config);
+                await ConfigHandler.SaveConfig(_config);
                 await ProfileExManager.Instance.SaveTo();
             }
 
@@ -42,14 +47,14 @@ public class TaskManager
                 FileManager.DeleteExpiredFiles(Utils.GetTempPath(), DateTime.Now.AddMonths(-1));
 
                 //Check once 1 hour
-                await UpdateTaskRunGeo(config, numOfExecuted / 60, updateFunc);
+                await UpdateTaskRunGeo(numOfExecuted / 60);
             }
 
             numOfExecuted++;
         }
     }
 
-    private async Task UpdateTaskRunSubscription(Config config, Action<bool, string> updateFunc)
+    private async Task UpdateTaskRunSubscription()
     {
         var updateTime = ((DateTimeOffset)DateTime.Now).ToUnixTimeSeconds();
         var lstSubs = (await AppManager.Instance.SubItems())?
@@ -66,30 +71,30 @@ public class TaskManager
 
         foreach (var item in lstSubs)
         {
-            await SubscriptionHandler.UpdateProcess(config, item.Id, true, (success, msg) =>
+            await SubscriptionHandler.UpdateProcess(_config, item.Id, true, async (success, msg) =>
             {
-                updateFunc?.Invoke(success, msg);
+                await _updateFunc?.Invoke(success, msg);
                 if (success)
                 {
                     Logging.SaveLog($"Update subscription end. {msg}");
                 }
             });
             item.UpdateTime = updateTime;
-            await ConfigHandler.AddSubItem(config, item);
+            await ConfigHandler.AddSubItem(_config, item);
             await Task.Delay(1000);
         }
     }
 
-    private async Task UpdateTaskRunGeo(Config config, int hours, Action<bool, string> updateFunc)
+    private async Task UpdateTaskRunGeo(int hours)
     {
-        if (config.GuiItem.AutoUpdateInterval > 0 && hours > 0 && hours % config.GuiItem.AutoUpdateInterval == 0)
+        if (_config.GuiItem.AutoUpdateInterval > 0 && hours > 0 && hours % _config.GuiItem.AutoUpdateInterval == 0)
         {
             Logging.SaveLog("Execute update geo files");
 
             var updateHandle = new UpdateService();
-            await updateHandle.UpdateGeoFileAll(config, (success, msg) =>
+            await updateHandle.UpdateGeoFileAll(_config, async (success, msg) =>
             {
-                updateFunc?.Invoke(false, msg);
+                await _updateFunc?.Invoke(false, msg);
             });
         }
     }

v2rayN/ServiceLib/Services/DownloadService.cs

@@ -15,7 +15,7 @@ public class DownloadService
 
     private static readonly string _tag = "DownloadService";
 
-    public async Task<int> DownloadDataAsync(string url, WebProxy webProxy, int downloadTimeout, Action<bool, string> updateFunc)
+    public async Task<int> DownloadDataAsync(string url, WebProxy webProxy, int downloadTimeout, Func<bool, string, Task> updateFunc)
     {
         try
         {
@@ -31,10 +31,10 @@ public class DownloadService
         }
         catch (Exception ex)
         {
-            updateFunc?.Invoke(false, ex.Message);
+            await updateFunc?.Invoke(false, ex.Message);
             if (ex.InnerException != null)
             {
-                updateFunc?.Invoke(false, ex.InnerException.Message);
+                await updateFunc?.Invoke(false, ex.InnerException.Message);
             }
         }
         return 0;

v2rayN/ServiceLib/Services/SpeedtestService.cs

@@ -5,26 +5,20 @@ using System.Net.Sockets;
 
 namespace ServiceLib.Services;
 
-public class SpeedtestService
+public class SpeedtestService(Config config, Func<SpeedTestResult, Task> updateFunc)
 {
     private static readonly string _tag = "SpeedtestService";
-    private Config? _config;
-    private Action<SpeedTestResult>? _updateFunc;
+    private readonly Config? _config = config;
+    private readonly Func<SpeedTestResult, Task>? _updateFunc = updateFunc;
     private static readonly ConcurrentBag<string> _lstExitLoop = new();
 
-    public SpeedtestService(Config config, Action<SpeedTestResult> updateFunc)
-    {
-        _config = config;
-        _updateFunc = updateFunc;
-    }
-
     public void RunLoop(ESpeedActionType actionType, List<ProfileItem> selecteds)
     {
         Task.Run(async () =>
         {
             await RunAsync(actionType, selecteds);
             await ProfileExManager.Instance.SaveTo();
-            UpdateFunc("", ResUI.SpeedtestingCompleted);
+            await UpdateFunc("", ResUI.SpeedtestingCompleted);
         });
     }
 
@@ -43,7 +37,7 @@ public class SpeedtestService
         var exitLoopKey = Utils.GetGuid(false);
         _lstExitLoop.Add(exitLoopKey);
 
-        var lstSelected = GetClearItem(actionType, selecteds);
+        var lstSelected = await GetClearItem(actionType, selecteds);
 
         switch (actionType)
         {
@@ -65,7 +59,7 @@ public class SpeedtestService
         }
     }
 
-    private List<ServerTestItem> GetClearItem(ESpeedActionType actionType, List<ProfileItem> selecteds)
+    private async Task<List<ServerTestItem>> GetClearItem(ESpeedActionType actionType, List<ProfileItem> selecteds)
     {
         var lstSelected = new List<ServerTestItem>();
         foreach (var it in selecteds)
@@ -97,17 +91,17 @@ public class SpeedtestService
             {
                 case ESpeedActionType.Tcping:
                 case ESpeedActionType.Realping:
-                    UpdateFunc(it.IndexId, ResUI.Speedtesting, "");
+                    await UpdateFunc(it.IndexId, ResUI.Speedtesting, "");
                     ProfileExManager.Instance.SetTestDelay(it.IndexId, 0);
                     break;
 
                 case ESpeedActionType.Speedtest:
-                    UpdateFunc(it.IndexId, "", ResUI.SpeedtestingWait);
+                    await UpdateFunc(it.IndexId, "", ResUI.SpeedtestingWait);
                     ProfileExManager.Instance.SetTestSpeed(it.IndexId, 0);
                     break;
 
                 case ESpeedActionType.Mixedtest:
-                    UpdateFunc(it.IndexId, ResUI.Speedtesting, ResUI.SpeedtestingWait);
+                    await UpdateFunc(it.IndexId, ResUI.Speedtesting, ResUI.SpeedtestingWait);
                     ProfileExManager.Instance.SetTestDelay(it.IndexId, 0);
                     ProfileExManager.Instance.SetTestSpeed(it.IndexId, 0);
                     break;
@@ -133,7 +127,7 @@ public class SpeedtestService
                     var responseTime = await GetTcpingTime(it.Address, it.Port);
 
                     ProfileExManager.Instance.SetTestDelay(it.IndexId, responseTime);
-                    UpdateFunc(it.IndexId, responseTime.ToString());
+                    await UpdateFunc(it.IndexId, responseTime.ToString());
                 }
                 catch (Exception ex)
                 {
@@ -169,11 +163,11 @@ public class SpeedtestService
         {
             if (_lstExitLoop.Any(p => p == exitLoopKey) == false)
             {
-                UpdateFunc("", ResUI.SpeedtestingSkip);
+                await UpdateFunc("", ResUI.SpeedtestingSkip);
                 return;
             }
 
-            UpdateFunc("", string.Format(ResUI.SpeedtestingTestFailedPart, lstFailed.Count));
+            await UpdateFunc("", string.Format(ResUI.SpeedtestingTestFailedPart, lstFailed.Count));
 
             if (pageSizeNext > _config.SpeedTestItem.MixedConcurrencyCount)
             {
@@ -239,7 +233,7 @@ public class SpeedtestService
         {
             if (_lstExitLoop.Any(p => p == exitLoopKey) == false)
             {
-                UpdateFunc(it.IndexId, "", ResUI.SpeedtestingSkip);
+                await UpdateFunc(it.IndexId, "", ResUI.SpeedtestingSkip);
                 continue;
             }
             if (it.ConfigType == EConfigType.Custom)
@@ -256,7 +250,7 @@ public class SpeedtestService
                     pid = await CoreManager.Instance.LoadCoreConfigSpeedtest(it);
                     if (pid < 0)
                     {
-                        UpdateFunc(it.IndexId, "", ResUI.FailedToRunCore);
+                        await UpdateFunc(it.IndexId, "", ResUI.FailedToRunCore);
                     }
                     else
                     {
@@ -270,7 +264,7 @@ public class SpeedtestService
                             }
                             else
                             {
-                                UpdateFunc(it.IndexId, "", ResUI.SpeedtestingSkip);
+                                await UpdateFunc(it.IndexId, "", ResUI.SpeedtestingSkip);
                             }
                         }
                     }
@@ -298,25 +292,25 @@ public class SpeedtestService
         var responseTime = await HttpClientHelper.Instance.GetRealPingTime(_config.SpeedTestItem.SpeedPingTestUrl, webProxy, 10);
 
         ProfileExManager.Instance.SetTestDelay(it.IndexId, responseTime);
-        UpdateFunc(it.IndexId, responseTime.ToString());
+        await UpdateFunc(it.IndexId, responseTime.ToString());
         return responseTime;
     }
 
     private async Task DoSpeedTest(DownloadService downloadHandle, ServerTestItem it)
     {
-        UpdateFunc(it.IndexId, "", ResUI.Speedtesting);
+        await UpdateFunc(it.IndexId, "", ResUI.Speedtesting);
 
         var webProxy = new WebProxy($"socks5://{Global.Loopback}:{it.Port}");
         var url = _config.SpeedTestItem.SpeedTestUrl;
         var timeout = _config.SpeedTestItem.SpeedTestTimeout;
-        await downloadHandle.DownloadDataAsync(url, webProxy, timeout, (success, msg) =>
+        await downloadHandle.DownloadDataAsync(url, webProxy, timeout, async (success, msg) =>
         {
             decimal.TryParse(msg, out var dec);
             if (dec > 0)
             {
                 ProfileExManager.Instance.SetTestSpeed(it.IndexId, dec);
             }
-            UpdateFunc(it.IndexId, "", msg);
+            await UpdateFunc(it.IndexId, "", msg);
         });
     }
 
@@ -371,9 +365,9 @@ public class SpeedtestService
         return lstTest;
     }
 
-    private void UpdateFunc(string indexId, string delay, string speed = "")
+    private async Task UpdateFunc(string indexId, string delay, string speed = "")
     {
-        _updateFunc?.Invoke(new() { IndexId = indexId, Delay = delay, Speed = speed });
+        await _updateFunc?.Invoke(new() { IndexId = indexId, Delay = delay, Speed = speed });
         if (indexId.IsNotEmpty() && speed.IsNotEmpty())
         {
             ProfileExManager.Instance.SetTestMessage(indexId, speed);

v2rayN/ServiceLib/Services/Statistics/StatisticsSingboxService.cs

@@ -8,11 +8,11 @@ public class StatisticsSingboxService
     private readonly Config _config;
     private bool _exitFlag;
     private ClientWebSocket? webSocket;
-    private Action<ServerSpeedItem>? _updateFunc;
+    private readonly Func<ServerSpeedItem, Task>? _updateFunc;
     private string Url => $"ws://{Global.Loopback}:{AppManager.Instance.StatePort2}/traffic";
     private static readonly string _tag = "StatisticsSingboxService";
 
-    public StatisticsSingboxService(Config config, Action<ServerSpeedItem> updateFunc)
+    public StatisticsSingboxService(Config config, Func<ServerSpeedItem, Task> updateFunc)
     {
         _config = config;
         _updateFunc = updateFunc;
@@ -90,7 +90,7 @@ public class StatisticsSingboxService
                         {
                             ParseOutput(result, out var up, out var down);
 
-                            _updateFunc?.Invoke(new ServerSpeedItem()
+                            await _updateFunc?.Invoke(new ServerSpeedItem()
                             {
                                 ProxyUp = (long)(up / 1000),
                                 ProxyDown = (long)(down / 1000)

v2rayN/ServiceLib/Services/Statistics/StatisticsXrayService.cs

@@ -6,10 +6,10 @@ public class StatisticsXrayService
     private ServerSpeedItem _serverSpeedItem = new();
     private readonly Config _config;
     private bool _exitFlag;
-    private Action<ServerSpeedItem>? _updateFunc;
+    private readonly Func<ServerSpeedItem, Task>? _updateFunc;
     private string Url => $"{Global.HttpProtocol}{Global.Loopback}:{AppManager.Instance.StatePort}/debug/vars";
 
-    public StatisticsXrayService(Config config, Action<ServerSpeedItem> updateFunc)
+    public StatisticsXrayService(Config config, Func<ServerSpeedItem, Task> updateFunc)
     {
         _config = config;
         _updateFunc = updateFunc;
@@ -39,7 +39,7 @@ public class StatisticsXrayService
                 if (result != null)
                 {
                     var server = ParseOutput(result) ?? new ServerSpeedItem();
-                    _updateFunc?.Invoke(server);
+                    await _updateFunc?.Invoke(server);
                 }
             }
             catch

v2rayN/ServiceLib/Services/UpdateService.cs

@@ -5,11 +5,11 @@ namespace ServiceLib.Services;
 
 public class UpdateService
 {
-    private Action<bool, string>? _updateFunc;
+    private Func<bool, string, Task>? _updateFunc;
     private readonly int _timeout = 30;
     private static readonly string _tag = "UpdateService";
 
-    public async Task CheckUpdateGuiN(Config config, Action<bool, string> updateFunc, bool preRelease)
+    public async Task CheckUpdateGuiN(Config config, Func<bool, string, Task> updateFunc, bool preRelease)
     {
         _updateFunc = updateFunc;
         var url = string.Empty;
@@ -20,25 +20,25 @@ public class UpdateService
         {
             if (args.Success)
             {
-                _updateFunc?.Invoke(false, ResUI.MsgDownloadV2rayCoreSuccessfully);
-                _updateFunc?.Invoke(true, Utils.UrlEncode(fileName));
+                UpdateFunc(false, ResUI.MsgDownloadV2rayCoreSuccessfully);
+                UpdateFunc(true, Utils.UrlEncode(fileName));
             }
             else
             {
-                _updateFunc?.Invoke(false, args.Msg);
+                UpdateFunc(false, args.Msg);
             }
         };
         downloadHandle.Error += (sender2, args) =>
         {
-            _updateFunc?.Invoke(false, args.GetException().Message);
+            UpdateFunc(false, args.GetException().Message);
         };
 
-        _updateFunc?.Invoke(false, string.Format(ResUI.MsgStartUpdating, ECoreType.v2rayN));
+        await UpdateFunc(false, string.Format(ResUI.MsgStartUpdating, ECoreType.v2rayN));
         var result = await CheckUpdateAsync(downloadHandle, ECoreType.v2rayN, preRelease);
         if (result.Success)
         {
-            _updateFunc?.Invoke(false, string.Format(ResUI.MsgParsingSuccessfully, ECoreType.v2rayN));
-            _updateFunc?.Invoke(false, result.Msg);
+            await UpdateFunc(false, string.Format(ResUI.MsgParsingSuccessfully, ECoreType.v2rayN));
+            await UpdateFunc(false, result.Msg);
 
             url = result.Data?.ToString();
             fileName = Utils.GetTempPath(Utils.GetGuid());
@@ -46,11 +46,11 @@ public class UpdateService
         }
         else
         {
-            _updateFunc?.Invoke(false, result.Msg);
+            await UpdateFunc(false, result.Msg);
         }
     }
 
-    public async Task CheckUpdateCore(ECoreType type, Config config, Action<bool, string> updateFunc, bool preRelease)
+    public async Task CheckUpdateCore(ECoreType type, Config config, Func<bool, string, Task> updateFunc, bool preRelease)
     {
         _updateFunc = updateFunc;
         var url = string.Empty;
@@ -61,34 +61,34 @@ public class UpdateService
         {
             if (args.Success)
             {
-                _updateFunc?.Invoke(false, ResUI.MsgDownloadV2rayCoreSuccessfully);
-                _updateFunc?.Invoke(false, ResUI.MsgUnpacking);
+                UpdateFunc(false, ResUI.MsgDownloadV2rayCoreSuccessfully);
+                UpdateFunc(false, ResUI.MsgUnpacking);
 
                 try
                 {
-                    _updateFunc?.Invoke(true, fileName);
+                    UpdateFunc(true, fileName);
                 }
                 catch (Exception ex)
                 {
-                    _updateFunc?.Invoke(false, ex.Message);
+                    UpdateFunc(false, ex.Message);
                 }
             }
             else
             {
-                _updateFunc?.Invoke(false, args.Msg);
+                UpdateFunc(false, args.Msg);
             }
         };
         downloadHandle.Error += (sender2, args) =>
         {
-            _updateFunc?.Invoke(false, args.GetException().Message);
+            UpdateFunc(false, args.GetException().Message);
         };
 
-        _updateFunc?.Invoke(false, string.Format(ResUI.MsgStartUpdating, type));
+        await UpdateFunc(false, string.Format(ResUI.MsgStartUpdating, type));
         var result = await CheckUpdateAsync(downloadHandle, type, preRelease);
         if (result.Success)
         {
-            _updateFunc?.Invoke(false, string.Format(ResUI.MsgParsingSuccessfully, type));
-            _updateFunc?.Invoke(false, result.Msg);
+            await UpdateFunc(false, string.Format(ResUI.MsgParsingSuccessfully, type));
+            await UpdateFunc(false, result.Msg);
 
             url = result.Data?.ToString();
             var ext = url.Contains(".tar.gz") ? ".tar.gz" : Path.GetExtension(url);
@@ -99,17 +99,17 @@ public class UpdateService
         {
             if (!result.Msg.IsNullOrEmpty())
             {
-                _updateFunc?.Invoke(false, result.Msg);
+                await UpdateFunc(false, result.Msg);
             }
         }
     }
 
-    public async Task UpdateGeoFileAll(Config config, Action<bool, string> updateFunc)
+    public async Task UpdateGeoFileAll(Config config, Func<bool, string, Task> updateFunc)
     {
         await UpdateGeoFiles(config, updateFunc);
         await UpdateOtherFiles(config, updateFunc);
         await UpdateSrsFileAll(config, updateFunc);
-        _updateFunc?.Invoke(true, string.Format(ResUI.MsgDownloadGeoFileSuccessfully, "geo"));
+        await UpdateFunc(true, string.Format(ResUI.MsgDownloadGeoFileSuccessfully, "geo"));
     }
 
     #region CheckUpdate private
@@ -128,7 +128,7 @@ public class UpdateService
         catch (Exception ex)
         {
             Logging.SaveLog(_tag, ex);
-            _updateFunc?.Invoke(false, ex.Message);
+            await UpdateFunc(false, ex.Message);
             return new RetResult(false, ex.Message);
         }
     }
@@ -212,7 +212,7 @@ public class UpdateService
         catch (Exception ex)
         {
             Logging.SaveLog(_tag, ex);
-            _updateFunc?.Invoke(false, ex.Message);
+            await UpdateFunc(false, ex.Message);
             return new SemanticVersion("");
         }
     }
@@ -272,7 +272,7 @@ public class UpdateService
         catch (Exception ex)
         {
             Logging.SaveLog(_tag, ex);
-            _updateFunc?.Invoke(false, ex.Message);
+            await UpdateFunc(false, ex.Message);
             return new RetResult(false, ex.Message);
         }
     }
@@ -333,7 +333,7 @@ public class UpdateService
 
     #region Geo private
 
-    private async Task UpdateGeoFiles(Config config, Action<bool, string> updateFunc)
+    private async Task UpdateGeoFiles(Config config, Func<bool, string, Task> updateFunc)
     {
         _updateFunc = updateFunc;
 
@@ -352,7 +352,7 @@ public class UpdateService
         }
     }
 
-    private async Task UpdateOtherFiles(Config config, Action<bool, string> updateFunc)
+    private async Task UpdateOtherFiles(Config config, Func<bool, string, Task> updateFunc)
     {
         //If it is not in China area, no update is required
         if (config.ConstItem.GeoSourceUrl.IsNotEmpty())
@@ -371,7 +371,7 @@ public class UpdateService
         }
     }
 
-    private async Task UpdateSrsFileAll(Config config, Action<bool, string> updateFunc)
+    private async Task UpdateSrsFileAll(Config config, Func<bool, string, Task> updateFunc)
     {
         _updateFunc = updateFunc;
 
@@ -426,7 +426,7 @@ public class UpdateService
         }
     }
 
-    private async Task UpdateSrsFile(string type, string srsName, Config config, Action<bool, string> updateFunc)
+    private async Task UpdateSrsFile(string type, string srsName, Config config, Func<bool, string, Task> updateFunc)
     {
         var srsUrl = string.IsNullOrEmpty(config.ConstItem.SrsSourceUrl)
                         ? Global.SingboxRulesetUrl
@@ -439,7 +439,7 @@ public class UpdateService
         await DownloadGeoFile(url, fileName, targetPath, updateFunc);
     }
 
-    private async Task DownloadGeoFile(string url, string fileName, string targetPath, Action<bool, string> updateFunc)
+    private async Task DownloadGeoFile(string url, string fileName, string targetPath, Func<bool, string, Task> updateFunc)
     {
         var tmpFileName = Utils.GetTempPath(Utils.GetGuid());
 
@@ -448,7 +448,7 @@ public class UpdateService
         {
             if (args.Success)
             {
-                _updateFunc?.Invoke(false, string.Format(ResUI.MsgDownloadGeoFileSuccessfully, fileName));
+                UpdateFunc(false, string.Format(ResUI.MsgDownloadGeoFileSuccessfully, fileName));
 
                 try
                 {
@@ -457,26 +457,31 @@ public class UpdateService
                         File.Copy(tmpFileName, targetPath, true);
 
                         File.Delete(tmpFileName);
-                        //_updateFunc?.Invoke(true, "");
+                        //await    UpdateFunc(true, "");
                     }
                 }
                 catch (Exception ex)
                 {
-                    _updateFunc?.Invoke(false, ex.Message);
+                    UpdateFunc(false, ex.Message);
                 }
             }
             else
             {
-                _updateFunc?.Invoke(false, args.Msg);
+                UpdateFunc(false, args.Msg);
             }
         };
         downloadHandle.Error += (sender2, args) =>
         {
-            _updateFunc?.Invoke(false, args.GetException().Message);
+            UpdateFunc(false, args.GetException().Message);
         };
 
         await downloadHandle.DownloadFileAsync(url, tmpFileName, true, _timeout);
     }
 
     #endregion Geo private
+
+    private async Task UpdateFunc(bool notify, string msg)
+    {
+        await _updateFunc?.Invoke(notify, msg);
+    }
 }

v2rayN/ServiceLib/ViewModels/CheckUpdateViewModel.cs

@@ -89,9 +89,11 @@ public class CheckUpdateViewModel : MyReactiveObject
         {
             var item = _checkUpdateModel[k];
             if (item.IsSelected != true)
+            {
                 continue;
+            }
 
-            UpdateView(item.CoreType, "...");
+            await UpdateView(item.CoreType, "...");
             if (item.CoreType == _geo)
             {
                 await CheckUpdateGeo();
@@ -129,9 +131,9 @@ public class CheckUpdateViewModel : MyReactiveObject
 
     private async Task CheckUpdateGeo()
     {
-        void _updateUI(bool success, string msg)
+        async Task _updateUI(bool success, string msg)
         {
-            UpdateView(_geo, msg);
+            await UpdateView(_geo, msg);
             if (success)
             {
                 UpdatedPlusPlus(_geo, "");
@@ -146,12 +148,12 @@ public class CheckUpdateViewModel : MyReactiveObject
 
     private async Task CheckUpdateN(bool preRelease)
     {
-        void _updateUI(bool success, string msg)
+        async Task _updateUI(bool success, string msg)
         {
-            UpdateView(_v2rayN, msg);
+            await UpdateView(_v2rayN, msg);
             if (success)
             {
-                UpdateView(_v2rayN, ResUI.OperationSuccess);
+                await UpdateView(_v2rayN, ResUI.OperationSuccess);
                 UpdatedPlusPlus(_v2rayN, msg);
             }
         }
@@ -164,12 +166,12 @@ public class CheckUpdateViewModel : MyReactiveObject
 
     private async Task CheckUpdateCore(CheckUpdateModel model, bool preRelease)
     {
-        void _updateUI(bool success, string msg)
+        async Task _updateUI(bool success, string msg)
         {
-            UpdateView(model.CoreType, msg);
+            await UpdateView(model.CoreType, msg);
             if (success)
             {
-                UpdateView(model.CoreType, ResUI.MsgUpdateV2rayCoreSuccessfullyMore);
+                await UpdateView(model.CoreType, ResUI.MsgUpdateV2rayCoreSuccessfullyMore);
 
                 UpdatedPlusPlus(model.CoreType, msg);
             }
@@ -193,7 +195,7 @@ public class CheckUpdateViewModel : MyReactiveObject
             if (_lstUpdated.Any(x => x.CoreType == _v2rayN && x.IsFinished == true))
             {
                 await Task.Delay(1000);
-                UpgradeN();
+                await UpgradeN();
             }
             await Task.Delay(1000);
             _updateView?.Invoke(EViewAction.DispatcherCheckUpdateFinished, true);
@@ -212,7 +214,7 @@ public class CheckUpdateViewModel : MyReactiveObject
         }
     }
 
-    private void UpgradeN()
+    private async Task UpgradeN()
     {
         try
         {
@@ -223,14 +225,14 @@ public class CheckUpdateViewModel : MyReactiveObject
             }
             if (!Utils.UpgradeAppExists(out _))
             {
-                UpdateView(_v2rayN, ResUI.UpgradeAppNotExistTip);
+                await UpdateView(_v2rayN, ResUI.UpgradeAppNotExistTip);
                 return;
             }
             Locator.Current.GetService<MainWindowViewModel>()?.UpgradeApp(fileName);
         }
         catch (Exception ex)
         {
-            UpdateView(_v2rayN, ex.Message);
+            await UpdateView(_v2rayN, ex.Message);
         }
     }
 
@@ -281,7 +283,7 @@ public class CheckUpdateViewModel : MyReactiveObject
                 }
             }
 
-            UpdateView(item.CoreType, ResUI.MsgUpdateV2rayCoreSuccessfully);
+            await UpdateView(item.CoreType, ResUI.MsgUpdateV2rayCoreSuccessfully);
 
             if (File.Exists(fileName))
             {
@@ -290,21 +292,24 @@ public class CheckUpdateViewModel : MyReactiveObject
         }
     }
 
-    private void UpdateView(string coreType, string msg)
+    private async Task UpdateView(string coreType, string msg)
     {
         var item = new CheckUpdateModel()
         {
             CoreType = coreType,
             Remarks = msg,
         };
-        _updateView?.Invoke(EViewAction.DispatcherCheckUpdate, item);
+        await _updateView?.Invoke(EViewAction.DispatcherCheckUpdate, item);
     }
 
     public void UpdateViewResult(CheckUpdateModel model)
     {
         var found = _checkUpdateModel.FirstOrDefault(t => t.CoreType == model.CoreType);
         if (found == null)
+        {
             return;
+        }
+
         var itemCopy = JsonUtils.DeepCopy(found);
         itemCopy.Remarks = model.Remarks;
         _checkUpdateModel.Replace(found, itemCopy);

v2rayN/ServiceLib/ViewModels/ClashProxiesViewModel.cs

@@ -373,14 +373,14 @@ public class ClashProxiesViewModel : MyReactiveObject
 
     private async Task ProxiesDelayTest(bool blAll = true)
     {
-        ClashApiManager.Instance.ClashProxiesDelayTest(blAll, _proxyDetails.ToList(), (item, result) =>
+        ClashApiManager.Instance.ClashProxiesDelayTest(blAll, _proxyDetails.ToList(), async (item, result) =>
         {
             if (item == null || result.IsNullOrEmpty())
             {
                 return;
             }
 
-            _updateView?.Invoke(EViewAction.DispatcherProxiesDelayTest, new SpeedTestResult() { IndexId = item.Name, Delay = result });
+            await _updateView?.Invoke(EViewAction.DispatcherProxiesDelayTest, new SpeedTestResult() { IndexId = item.Name, Delay = result });
         });
         await Task.CompletedTask;
     }

v2rayN/ServiceLib/ViewModels/MainWindowViewModel.cs

@@ -245,7 +245,7 @@ public class MainWindowViewModel : MyReactiveObject
 
     #region Actions
 
-    private void UpdateHandler(bool notify, string msg)
+    private async Task UpdateHandler(bool notify, string msg)
     {
         NoticeManager.Instance.SendMessage(msg);
         if (notify)
@@ -254,7 +254,7 @@ public class MainWindowViewModel : MyReactiveObject
         }
     }
 
-    private void UpdateTaskHandler(bool success, string msg)
+    private async Task UpdateTaskHandler(bool success, string msg)
     {
         NoticeManager.Instance.SendMessageEx(msg);
         if (success)
@@ -263,7 +263,7 @@ public class MainWindowViewModel : MyReactiveObject
             RefreshServers();
             if (indexIdOld != _config.IndexId)
             {
-                _ = Reload();
+                await Reload();
             }
             if (_config.UiItem.EnableAutoAdjustMainLvColWidth)
             {
@@ -272,13 +272,13 @@ public class MainWindowViewModel : MyReactiveObject
         }
     }
 
-    private void UpdateStatisticsHandler(ServerSpeedItem update)
+    private async Task UpdateStatisticsHandler(ServerSpeedItem update)
     {
         if (!_config.UiItem.ShowInTaskbar)
         {
             return;
         }
-        _updateView?.Invoke(EViewAction.DispatcherStatistics, update);
+        await _updateView?.Invoke(EViewAction.DispatcherStatistics, update);
     }
 
     public void SetStatisticsResult(ServerSpeedItem update)
@@ -596,7 +596,9 @@ public class MainWindowViewModel : MyReactiveObject
             Locator.Current.GetService<ClashProxiesViewModel>()?.ProxiesReload();
         }
         else
-        { TabMainSelectedIndex = 0; }
+        {
+            TabMainSelectedIndex = 0;
+        }
     }
 
     private async Task LoadCore()
@@ -631,7 +633,7 @@ public class MainWindowViewModel : MyReactiveObject
         Locator.Current.GetService<StatusBarViewModel>()?.RefreshRoutingsMenu();
 
         await ConfigHandler.SaveConfig(_config);
-        await new UpdateService().UpdateGeoFileAll(_config, UpdateHandler);
+        await new UpdateService().UpdateGeoFileAll(_config, UpdateTaskHandler);
         await Reload();
     }