mirror of
https://github.com/QingdaoU/OnlineJudge.git
synced 2024-09-21 08:23:20 +00:00
146 lines
5.8 KiB
Python
146 lines
5.8 KiB
Python
# coding=utf-8
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import json
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import logging
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import time
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from django.db import transaction
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from rpc_client import TimeoutServerProxy
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from judge.result import result
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from contest.models import ContestProblem, ContestRank, Contest, CONTEST_UNDERWAY
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from problem.models import Problem
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from submission.models import Submission
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from account.models import User
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from utils.cache import get_cache_redis
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from .models import JudgeServer, JudgeWaitingQueue
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logger = logging.getLogger("app_info")
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class JudgeDispatcher(object):
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def __init__(self, submission, time_limit, memory_limit, test_case_id):
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self.submission = submission
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self.time_limit = time_limit
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self.memory_limit = memory_limit
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self.test_case_id = test_case_id
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self.user = User.objects.get(id=submission.user_id)
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print "init init"
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def choose_judge_server(self):
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servers = JudgeServer.objects.filter(workload__lt=100, lock=False, status=True).order_by("-workload")
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if servers.exists():
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return servers.first()
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def judge(self, is_waiting_task=False):
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self.submission.judge_start_time = int(time.time() * 1000)
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judge_server = self.choose_judge_server()
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# 如果没有合适的判题服务器,就放入等待队列中等待判题
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if not judge_server:
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print self.submission.id, "waiting"
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JudgeWaitingQueue.objects.create(submission_id=self.submission.id, time_limit=self.time_limit,
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memory_limit=self.memory_limit, test_case_id=self.test_case_id)
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return
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judge_server.use_judge_instance()
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try:
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s = TimeoutServerProxy("http://" + judge_server.ip + ":" + str(judge_server.port), timeout=20)
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data = s.run(judge_server.token, self.submission.id, self.submission.language,
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self.submission.code, self.time_limit, self.memory_limit, self.test_case_id)
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print self.submission.id, "finished"
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# 编译错误
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if data["code"] == 1:
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self.submission.result = result["compile_error"]
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self.submission.info = data["data"]["error"]
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# system error
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elif data["code"] == 2:
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self.submission.result = result["system_error"]
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self.submission.info = data["data"]["error"]
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elif data["code"] == 0:
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self.submission.result = data["data"]["result"]
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self.submission.info = json.dumps(data["data"]["info"])
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self.submission.accepted_answer_time = data["data"]["accepted_answer_time"]
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except Exception as e:
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self.submission.result = result["system_error"]
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self.submission.info = str(e)
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finally:
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judge_server.release_judge_instance()
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self.submission.judge_end_time = int(time.time() * 1000)
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self.submission.save()
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if self.submission.contest_id:
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self.update_contest_problem_status()
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else:
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self.update_problem_status()
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waiting_submissions = JudgeWaitingQueue.objects.all()
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if waiting_submissions.exists():
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# 防止循环依赖
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from submission.tasks import _judge
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waiting_submission = waiting_submissions.first()
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print self.submission.id, "left queue"
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_judge(Submission.objects.get(id=waiting_submission.submission_id), time_limit=waiting_submission.time_limit,
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memory_limit=waiting_submission.memory_limit, test_case_id=waiting_submission.test_case_id,
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is_waiting_task=True)
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waiting_submission.delete()
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def update_problem_status(self):
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problem = Problem.objects.get(id=self.submission.problem_id)
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# 更新普通题目的计数器
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problem.add_submission_number()
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# 更新用户做题状态
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problems_status = self.user.problems_status
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if "problems" not in problems_status:
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problems_status["problems"] = {}
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if self.submission.result == result["accepted"]:
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problem.add_ac_number()
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problems_status["problems"][str(problem.id)] = 1
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else:
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problems_status["problems"][str(problem.id)] = 2
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self.user.problems_status = problems_status
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self.user.save()
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# 普通题目的话,到这里就结束了
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def update_contest_problem_status(self):
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# 能运行到这里的都是比赛题目
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contest = Contest.objects.get(id=self.submission.contest_id)
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if contest.status != CONTEST_UNDERWAY:
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logger.info("Contest debug mode, id: " + str(contest.id) + ", submission id: " + self.submission.id)
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return
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contest_problem = ContestProblem.objects.get(contest=contest, id=self.submission.problem_id)
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contest_problem.add_submission_number()
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problems_status = self.user.problems_status
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if "contest_problems" not in problems_status:
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problems_status["contest_problems"] = {}
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if self.submission.result == result["accepted"]:
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contest_problem.add_ac_number()
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problems_status["contest_problems"][str(contest_problem.id)] = 1
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else:
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problems_status["contest_problems"][str(contest_problem.id)] = 0
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self.user.problems_status = problems_status
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self.user.save()
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self.update_contest_rank(contest)
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def update_contest_rank(self, contest):
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if contest.real_time_rank:
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get_cache_redis().delete(str(contest.id) + "_rank_cache")
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with transaction.atomic():
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try:
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contest_rank = ContestRank.objects.get(contest=contest, user=self.user)
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contest_rank.update_rank(self.submission)
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except ContestRank.DoesNotExist:
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ContestRank.objects.create(contest=contest, user=self.user).update_rank(self.submission)
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