fixed: temporary scheduler

Ragon/Sources/Server/Http/WebSocketTaskScheduler.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Threading.Channels;
 using System.Threading.Tasks;
+using NLog.LayoutRenderers.Wrappers;
 
 namespace Ragon.Core;
 
@@ -9,13 +10,14 @@ public class WebSocketTaskScheduler: TaskScheduler
 {
   private ChannelReader<Task> _reader;
   private ChannelWriter<Task> _writer;
-  private Channel<Task> _channel;
+  private Queue<Task> _pendingTasks;
   
   public WebSocketTaskScheduler()
   {
-    _channel = Channel.CreateUnbounded<Task>();
+    var channel = Channel.CreateUnbounded<Task>();
-    _reader = _channel.Reader;
+    _pendingTasks = new Queue<Task>();
-    _writer = _channel.Writer;
+    _reader = channel.Reader;
+    _writer = channel.Writer;
   }
 
   protected override IEnumerable<Task>? GetScheduledTasks()
@@ -40,7 +42,10 @@ public class WebSocketTaskScheduler: TaskScheduler
       TryExecuteTask(task);
       
       if (task.Status != TaskStatus.RanToCompletion)
+        _pendingTasks.Enqueue(task);
+    }
+
+    while (_pendingTasks.TryDequeue(out var task))
       _writer.TryWrite(task);
   }
-  }
 }