private LocalTaskQueueingResult DoTryQueueTask([NotNull] TaskIndexRecord taskIndexRecord, [CanBeNull] TaskMetaInformation taskMeta, TaskQueueReason taskQueueReason, bool taskIsBeingTraced)
{
var taskIsSentToThreadPool = false;
if (taskMeta != null && !taskHandlerRegistry.ContainsHandlerFor(taskMeta.Name))
{
return(LocalTaskQueueingResult.TaskIsSkippedResult);
}
if (taskMeta == null && taskIndexRecord.MinimalStartTicks > (Timestamp.Now - HandlerTask.MaxAllowedIndexInconsistencyDuration).Ticks)
{
logger.Debug("Мета для задачи TaskId = {RtqTaskId} еще не записана, ждем {MaxAllowedIndexInconsistencyDuration}",
new { HandlerTask.MaxAllowedIndexInconsistencyDuration, RtqTaskId = taskIndexRecord.TaskId });
return(LocalTaskQueueingResult.TaskIsSkippedResult);
}
if (!localQueueTaskCounter.TryIncrement(taskQueueReason))
{
return(LocalTaskQueueingResult.QueueIsFullResult);
}
try
{
var handlerTask = new HandlerTask(taskIndexRecord, taskQueueReason, taskMeta, taskHandlerRegistry, rtqInternals);
lock (lockObject)
{
if (stopped)
{
return(LocalTaskQueueingResult.QueueIsStoppedResult);
}
if (hashtable.ContainsKey(taskIndexRecord.TaskId))
{
return(LocalTaskQueueingResult.TaskIsSkippedResult);
}
var taskWrapper = new TaskWrapper(taskIndexRecord.TaskId, taskQueueReason, taskIsBeingTraced, handlerTask, this, logger);
var asyncTask = Task.Factory.StartNew(taskWrapper.Run);
taskIsSentToThreadPool = true;
metricsContext.Meter("TaskIsSentToThreadPool").Mark();
if (!taskWrapper.Finished)
{
hashtable.Add(taskIndexRecord.TaskId, asyncTask);
}
}
}
finally
{
if (!taskIsSentToThreadPool)
{
localQueueTaskCounter.Decrement(taskQueueReason);
}
}
return(LocalTaskQueueingResult.SuccessResult);
}
public TaskWrapper([NotNull] string taskId,
TaskQueueReason taskQueueReason,
bool taskIsBeingTraced,
[NotNull] HandlerTask handlerTask,
[NotNull] LocalTaskQueue localTaskQueue,
[NotNull] ILog logger)
{
this.taskId = taskId;
this.taskQueueReason = taskQueueReason;
this.taskIsBeingTraced = taskIsBeingTraced;
this.handlerTask = handlerTask;
this.localTaskQueue = localTaskQueue;
this.logger = logger;
finished = false;
}