fix: 修复jtag边界扫描前后端的bug：无法开始停止，无法通过认证，后端崩溃

server/Program.cs

@@ -95,6 +95,12 @@ try
             .AllowAnyMethod()
             .AllowAnyHeader()
         );
+        options.AddPolicy("SignalR", policy => policy
+            .WithOrigins("http://localhost:5173")
+            .AllowAnyHeader()
+            .AllowAnyMethod()
+            .AllowCredentials()
+        );
     });
 
     // Use SignalR
@@ -201,12 +207,15 @@ try
         };
     });
     app.UseSwaggerUi();
+
+    // SignalR
+    app.UseWebSockets();
     app.UseSignalRHubSpecification();
     app.UseSignalRHubDevelopmentUI();
 
     // Router
     app.MapControllers();
-    app.MapHub<server.Hubs.JtagHub.JtagHub>("hubs/JtagHub").RequireCors("Users");
+    app.MapHub<server.Hubs.JtagHub.JtagHub>("hubs/JtagHub");
 
     // Setup Program
     MsgBus.Init();

server/src/Hubs/JtagHub.cs

@@ -25,12 +25,19 @@ public interface IJtagReceiver
 }
 
 [Authorize]
-[EnableCors("Users")]
+[EnableCors("SignalR")]
 public class JtagHub : Hub<IJtagReceiver>, IJtagHub
 {
     private static NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();
-    private ConcurrentDictionary<string, int> FreqTable = new();
-    private ConcurrentDictionary<string, CancellationTokenSource> CancellationTokenSourceTable = new();
+    private static ConcurrentDictionary<string, int> FreqTable = new();
+    private static ConcurrentDictionary<string, CancellationTokenSource> CancellationTokenSourceTable = new();
+
+    private readonly IHubContext<JtagHub, IJtagReceiver> _hubContext;
+
+    public JtagHub(IHubContext<JtagHub, IJtagReceiver> hubContext)
+    {
+        _hubContext = hubContext;
+    }
 
     private Optional<Peripherals.JtagClient.Jtag> GetJtagClient(string userName)
     {
@@ -92,33 +99,40 @@ public class JtagHub : Hub<IJtagReceiver>, IJtagHub
             }
 
             await SetBoundaryScanFreq(freq);
-            var cts = CancellationTokenSource.CreateLinkedTokenSource();
+            var cts = new CancellationTokenSource();
             CancellationTokenSourceTable.AddOrUpdate(userName, cts, (key, value) => cts);
 
-            _ = Task
-                .Run(
-                    () => BoundaryScanLogicPorts(
-                        Context.ConnectionId,
-                        userName,
-                        cts.Token),
+            _ = Task.Run(
+                    () => BoundaryScanLogicPorts(Context.ConnectionId, userName, cts.Token),
                     cts.Token)
                 .ContinueWith((task) =>
                 {
-                    if (!task.IsFaulted)
+                    if (task.IsFaulted)
                     {
-                        return;
+                        // 遍历所有异常
+                        foreach (var ex in task.Exception.InnerExceptions)
+                        {
+                            if (ex is OperationCanceledException)
+                            {
+                                logger.Info($"Boundary scan operation cancelled for user {userName}");
+                            }
+                            else
+                            {
+                                logger.Error($"Boundary scan operation failed for user {userName}: {ex}");
+                            }
+                        }
                     }
-
-                    if (task.Exception.InnerException is OperationCanceledException)
+                    else if (task.IsCanceled)
                     {
                         logger.Info($"Boundary scan operation cancelled for user {userName}");
                     }
                     else
                     {
-                        logger.Error(task.Exception);
+                        logger.Info($"Boundary scan completed successfully for user {userName}");
                     }
                 });
 
+            logger.Info($"Boundary scan started for user {userName}");
             return true;
         }
         catch (Exception error)
@@ -144,10 +158,12 @@ public class JtagHub : Hub<IJtagReceiver>, IJtagHub
 
         cts.Cancel();
         cts.Token.WaitHandle.WaitOne();
+
+        logger.Info($"Boundary scan stopped for user {userName}");
         return true;
     }
 
-    private async void BoundaryScanLogicPorts(string connectionID, string userName, CancellationToken cancellationToken)
+    private async Task BoundaryScanLogicPorts(string connectionID, string userName, CancellationToken cancellationToken)
     {
         var jtagCtrl = GetJtagClient(userName).OrThrow(() => new InvalidOperationException("JTAG client not found"));
         var cntFail = 0;
@@ -161,9 +177,10 @@ public class JtagHub : Hub<IJtagReceiver>, IJtagHub
             {
                 logger.Error($"User {userName} boundary scan failed for device {jtagCtrl.address}: {ret.Error}");
                 cntFail++;
+                continue;
             }
 
-            await this.Clients.Client(connectionID).OnReceiveBoundaryScanData(ret.Value);
+            await _hubContext.Clients.Client(connectionID).OnReceiveBoundaryScanData(ret.Value);
             // logger.Info($"User {userName} successfully completed boundary scan for device {jtagCtrl.address}");
 
             await Task.Delay(FreqTable.TryGetValue(userName, out var freq) ? 1000 / freq : 1000 / 100, cancellationToken);