Amnesia.Module.context_BeginRequest C# (CSharp) Метод

        void context_BeginRequest(object sender, EventArgs e)
        {
            try
            {
                // Restore session state if this is the first request
                if (!sessionRestored)
                {
                    lock (stateFileMutex)
                    {
                        if (!sessionRestored)
                        {
                            stateFile = Path.Combine(HttpContext.Current.Server.MapPath("~/"), Settings.Current.StateFile);
                            RestoreSessionState();
                            sessionRestored = true;
                        }
                    }
                }

                // make sure application requests do not get through if an unexpected transaction abort occurs
                if (Session.IsRollbackPending && !(HttpContext.Current.Request.Url.ToString().ToLower().Contains(Settings.Current.HandlerPath.ToLower()) ))
                    throw new ApplicationException("Transaction was aborted and is awaiting rollback");

                Session.Tracker.StartActivity();

                // If a previous module aborts the request, begin request never runs
                HttpContext.Current.Items[REQUEST_STARTED] = true;
            }
            catch(Exception err)
            {
                HttpContext.Current.Items[REQUEST_ABORTED] = true;

                HttpContext.Current.Response.StatusCode = 503; // service unavailable
                HttpContext.Current.Response.Write("Amnesia is currently blocking requests. " + err.Message);
                HttpContext.Current.Response.End();
                return;
            }
        }