Tick callbacks in an infinite task

DepotDownloader/ContentDownloader.cs

@@ -307,6 +307,8 @@ namespace DepotDownloader
                 return false;
             }
 
+            Task.Run(steam3.TickCallbacks);
+
             return true;
         }
 

DepotDownloader/Steam3Session.cs

@@ -52,6 +52,7 @@ namespace DepotDownloader
         int connectionBackoff;
         int seq; // more hack fixes
         AuthSession authSession;
+        readonly CancellationTokenSource abortedToken = new();
 
         // input
         readonly SteamUser.LogOnDetails logonDetails;
@@ -122,6 +123,23 @@ namespace DepotDownloader
             return IsLoggedOn;
         }
 
+        public async Task TickCallbacks()
+        {
+            var token = abortedToken.Token;
+
+            try
+            {
+                while (!token.IsCancellationRequested)
+                {
+                    await callbacks.RunWaitCallbackAsync(token);
+                }
+            }
+            catch (OperationCanceledException)
+            {
+                //
+            }
+        }
+
         public async Task RequestAppInfo(uint appId, bool bForce = false)
         {
             if ((AppInfo.ContainsKey(appId) && !bForce) || bAborted)
@@ -345,6 +363,7 @@ namespace DepotDownloader
             bAborted = true;
             bConnecting = false;
             bIsConnectionRecovery = false;
+            abortedToken.Cancel();
             steamClient.Disconnect();
 
             Ansi.Progress(Ansi.ProgressState.Hidden);