public static void CleanupDirectories()
        {
            Throttle.Check("Cleanup temporary Shop-Connector files", TimeSpan.FromHours(12), () =>
            {
                try
                {
                    var olderThan = TimeSpan.FromHours(12);

                    foreach (var name in new string[] { "Export", "About" })
                    {
                        var dir = GetDirectory(name);
                        FileSystemHelper.ClearDirectory(new DirectoryInfo(dir), false, olderThan);
                    }
                }
                catch { }

                return(true);
            });
        }
예제 #2
0
        public void Execute(
            ScheduleTask task,
            IDictionary <string, string> taskParameters = null,
            bool throwOnError = false)
        {
            if (AsyncRunner.AppShutdownCancellationToken.IsCancellationRequested)
            {
                return;
            }

            if (task.LastHistoryEntry == null)
            {
                // The task was started manually.
                task.LastHistoryEntry = _scheduledTaskService.GetLastHistoryEntryByTaskId(task.Id);
            }

            if (task?.LastHistoryEntry?.IsRunning == true)
            {
                return;
            }

            bool      faulted   = false;
            bool      canceled  = false;
            string    lastError = null;
            ITask     instance  = null;
            string    stateName = null;
            Type      taskType  = null;
            Exception exception = null;

            var historyEntry = new ScheduleTaskHistory
            {
                ScheduleTaskId = task.Id,
                IsRunning      = true,
                MachineName    = _env.MachineName,
                StartedOnUtc   = DateTime.UtcNow
            };

            try
            {
                taskType = Type.GetType(task.Type);
                if (taskType == null)
                {
                    Logger.DebugFormat("Invalid scheduled task type: {0}", task.Type.NaIfEmpty());
                }

                if (taskType == null)
                {
                    return;
                }

                if (!PluginManager.IsActivePluginAssembly(taskType.Assembly))
                {
                    return;
                }

                task.ScheduleTaskHistory.Add(historyEntry);
                _scheduledTaskService.UpdateTask(task);
            }
            catch
            {
                return;
            }

            try
            {
                // Task history entry has been successfully added, now we execute the task.
                // Create task instance.
                instance  = _taskResolver(taskType);
                stateName = task.Id.ToString();

                // Create & set a composite CancellationTokenSource which also contains the global app shoutdown token.
                var cts = CancellationTokenSource.CreateLinkedTokenSource(AsyncRunner.AppShutdownCancellationToken, new CancellationTokenSource().Token);
                _asyncState.SetCancelTokenSource <ScheduleTask>(cts, stateName);

                var ctx = new TaskExecutionContext(_componentContext, historyEntry)
                {
                    ScheduleTaskHistory = historyEntry.Clone(),
                    CancellationToken   = cts.Token,
                    Parameters          = taskParameters ?? new Dictionary <string, string>()
                };

                Logger.DebugFormat("Executing scheduled task: {0}", task.Type);
                instance.Execute(ctx);
            }
            catch (Exception ex)
            {
                exception = ex;
                faulted   = true;
                canceled  = ex is OperationCanceledException;
                lastError = ex.Message.Truncate(995, "...");

                if (canceled)
                {
                    Logger.Warn(ex, T("Admin.System.ScheduleTasks.Cancellation", task.Name));
                }
                else
                {
                    Logger.Error(ex, string.Concat(T("Admin.System.ScheduleTasks.RunningError", task.Name), ": ", ex.Message));
                }
            }
            finally
            {
                var now        = DateTime.UtcNow;
                var updateTask = false;

                historyEntry.IsRunning       = false;
                historyEntry.ProgressPercent = null;
                historyEntry.ProgressMessage = null;
                historyEntry.Error           = lastError;
                historyEntry.FinishedOnUtc   = now;

                if (faulted)
                {
                    if ((!canceled && task.StopOnError) || instance == null)
                    {
                        task.Enabled = false;
                        updateTask   = true;
                    }
                }
                else
                {
                    historyEntry.SucceededOnUtc = now;
                }

                try
                {
                    Logger.DebugFormat("Executed scheduled task: {0}. Elapsed: {1} ms.", task.Type, (now - historyEntry.StartedOnUtc).TotalMilliseconds);

                    // Remove from AsyncState.
                    if (stateName.HasValue())
                    {
                        _asyncState.Remove <ScheduleTask>(stateName);
                    }
                }
                catch (Exception ex)
                {
                    Logger.Error(ex);
                }

                if (task.Enabled)
                {
                    task.NextRunUtc = _scheduledTaskService.GetNextSchedule(task);
                    updateTask      = true;
                }

                _scheduledTaskService.UpdateHistoryEntry(historyEntry);

                if (updateTask)
                {
                    _scheduledTaskService.UpdateTask(task);
                }

                Throttle.Check("Delete old schedule task history entries", TimeSpan.FromDays(1), () => _scheduledTaskService.DeleteHistoryEntries() > 0);
            }

            if (throwOnError && exception != null)
            {
                throw exception;
            }
        }