server/AyaNova/util/TaskUtil.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace AyaNova.Util
+{
+    internal static class TaskUtil
+    {
+        ///<summary>
+        ///Usage:
+        ///await WithTimeoutAfterStart(ct => SomeOperationAsync(ct), TimeSpan.FromMilliseconds(n));
+        ///</summary>
+        public static async Task WithTimeoutAfterStart(Func<CancellationToken, Task> operation, TimeSpan timeout)
+        {
+            //https://stackoverflow.com/a/23478628/8939
+            var source = new CancellationTokenSource();
+            var task = operation(source.Token);
+            source.CancelAfter(timeout);
+            await task;
+        }
+
+    }//eoc
+
+}//eons