private async Task <UserExerciseSubmission> TryGetExerciseSubmission(string agentName, List <string> sandboxes)
{
UserExerciseSubmission submission = null;
while (submission == null)
{
var work = await workQueueRepo.TakeNoTracking(queueId, sandboxes);
if (work == null)
{
return(null);
}
var workItemId = int.Parse(work.ItemId);
submission = await db.UserExerciseSubmissions
.Include(s => s.AutomaticChecking)
.Include(s => s.SolutionCode)
.FirstOrDefaultAsync(s => s.Id == workItemId &&
(s.AutomaticChecking.Status == AutomaticExerciseCheckingStatus.Waiting || s.AutomaticChecking.Status == AutomaticExerciseCheckingStatus.Running));
var minutes = TimeSpan.FromMinutes(15);
var notSoLongAgo = DateTime.Now - TimeSpan.FromMinutes(15);
if (submission == null)
{
await workQueueRepo.Remove(work.Id);
}
else if (submission.Timestamp < notSoLongAgo)
{
await workQueueRepo.Remove(work.Id);
submission.AutomaticChecking.Status = submission.AutomaticChecking.Status == AutomaticExerciseCheckingStatus.Waiting
? AutomaticExerciseCheckingStatus.RequestTimeLimit
: AutomaticExerciseCheckingStatus.Error;
await db.SaveChangesAsync();
if (submission.AutomaticChecking.Status == AutomaticExerciseCheckingStatus.Error)
{
log.Error($"Не получил ответ от чеккера по проверке {submission.Id} за {minutes} минут");
}
if (!UnhandledSubmissionsWaiter.HandledSubmissions.TryAdd(submission.Id, DateTime.Now))
{
log.Warn($"Не удалось запомнить, что {submission.Id} не удалось проверить, и этот результат сохранен в базу");
}
submission = null;
}
}
submission.AutomaticChecking.Status = AutomaticExerciseCheckingStatus.Running;
submission.AutomaticChecking.CheckingAgentName = agentName;
await db.SaveChangesAsync();
UnhandledSubmissionsWaiter.UnhandledSubmissions.TryRemove(submission.Id, out _);
return(submission);
}
private async Task <Submission> ExtractSnippetsFromSubmissionFromQueue()
{
var queueItem = await workQueueRepo.TakeNoTracking(QueueIds.NewSubmissionsQueue).ConfigureAwait(false);
if (queueItem == null)
{
return(null);
}
var submissionId = int.Parse(queueItem.ItemId);
var submission = (await submissionsRepo.GetSubmissionsByIdsAsync(new List <int> {
submissionId
}).ConfigureAwait(false)).First();
await ExtractSnippetsFromSubmissionAsync(submission).ConfigureAwait(false);
await workQueueRepo.Remove(queueItem.Id);
return(submission);
}