xuyue/OnlineJudge
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

尝试修复 submission 中的竞争问题

Browse Source
This commit is contained in:
virusdefender
2019-03-26 09:21:00 +08:00
parent b963f2d5bc
commit 7e4132bed1
3 changed files with 46 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
judge/dispatcher.py
View File

@@ -187,8 +187,9 @@ class JudgeDispatcher(DispatcherBase):
logger.info(
"Contest debug mode, id: " + str(self.contest_id) + ", submission id: " + self.submission.id)
return
self.update_contest_problem_status()
self.update_contest_rank()
with transaction.atomic():
self.update_contest_problem_status()
self.update_contest_rank()
else:
if self.last_result:
self.update_problem_status_rejudge()
@@ -329,29 +330,30 @@ class JudgeDispatcher(DispatcherBase):
if self.contest.rule_type == ContestRuleType.OI or self.contest.real_time_rank:
cache.delete(f"{CacheKey.contest_rank_cache}:{self.contest.id}")
with transaction.atomic():
if self.contest.rule_type == ContestRuleType.ACM:
model = ACMContestRank
func = self._update_acm_contest_rank
else:
model = OIContestRank
func = self._update_oi_contest_rank
def get_rank(model):
return model.objects.select_for_update().get(user_id=self.submission.user_id, contest=self.contest)
if self.contest.rule_type == ContestRuleType.ACM:
model = ACMContestRank
func = self._update_acm_contest_rank
else:
model = OIContestRank
func = self._update_oi_contest_rank
try:
rank = get_rank(model)
except model.DoesNotExist:
try:
# todo unique index
# func 也不是安全的
rank = model.objects.get(user_id=self.submission.user_id, contest=self.contest)
except ACMContestRank.DoesNotExist:
try:
rank = model.objects.create(user_id=self.submission.user_id, contest=self.contest)
except IntegrityError:
rank = model.objects.get(user_id=self.submission.user_id, contest=self.contest)
func(rank)
model.objects.create(user_id=self.submission.user_id, contest=self.contest)
rank = get_rank(model)
except IntegrityError:
rank = get_rank(model)
func(rank)
def _update_acm_contest_rank(self, rank):
info = rank.submission_info.get(str(self.submission.problem_id))
# 因前面更改过，这里需要重新获取
problem = Problem.objects.get(contest_id=self.contest_id, id=self.problem.id)
problem = Problem.objects.select_for_update().get(contest_id=self.contest_id, id=self.problem.id)
# 此题提交过
if info:
if info["is_ac"]: