mirror of
https://github.com/QingdaoU/OnlineJudge.git
synced 2024-09-21 08:23:20 +00:00
385 lines
19 KiB
Python
385 lines
19 KiB
Python
import hashlib
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import json
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import logging
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from urllib.parse import urljoin
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import requests
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from django.db import transaction
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from django.db.models import F
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from account.models import User
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from conf.models import JudgeServer
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from contest.models import ContestRuleType, ACMContestRank, OIContestRank, ContestStatus
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from judge.languages import languages, spj_languages
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from options.options import SysOptions
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from problem.models import Problem, ProblemRuleType
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from problem.utils import parse_problem_template
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from submission.models import JudgeStatus, Submission
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from utils.cache import cache
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from utils.constants import CacheKey
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logger = logging.getLogger(__name__)
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# 继续处理在队列中的问题
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def process_pending_task():
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if cache.llen(CacheKey.waiting_queue):
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# 防止循环引入
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from judge.tasks import judge_task
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data = json.loads(cache.rpop(CacheKey.waiting_queue).decode("utf-8"))
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judge_task.delay(**data)
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class DispatcherBase(object):
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def __init__(self):
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self.token = hashlib.sha256(SysOptions.judge_server_token.encode("utf-8")).hexdigest()
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def _request(self, url, data=None):
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kwargs = {"headers": {"X-Judge-Server-Token": self.token}}
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if data:
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kwargs["json"] = data
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try:
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return requests.post(url, **kwargs).json()
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except Exception as e:
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logger.exception(e)
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@staticmethod
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def choose_judge_server():
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with transaction.atomic():
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servers = JudgeServer.objects.select_for_update().filter(is_disabled=False).order_by("task_number")
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servers = [s for s in servers if s.status == "normal"]
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if servers:
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server = servers[0]
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server.used_instance_number = F("task_number") + 1
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server.save()
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return server
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@staticmethod
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def release_judge_server(judge_server_id):
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with transaction.atomic():
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# 使用原子操作, 同时因为use和release中间间隔了判题过程,需要重新查询一下
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server = JudgeServer.objects.get(id=judge_server_id)
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server.used_instance_number = F("task_number") - 1
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server.save()
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class SPJCompiler(DispatcherBase):
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def __init__(self, spj_code, spj_version, spj_language):
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super().__init__()
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spj_compile_config = list(filter(lambda config: spj_language == config["name"], spj_languages))[0]["spj"][
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"compile"]
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self.data = {
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"src": spj_code,
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"spj_version": spj_version,
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"spj_compile_config": spj_compile_config
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}
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def compile_spj(self):
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server = self.choose_judge_server()
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if not server:
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return "No available judge_server"
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result = self._request(urljoin(server.service_url, "compile_spj"), data=self.data)
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self.release_judge_server(server.id)
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if result["err"]:
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return result["data"]
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class JudgeDispatcher(DispatcherBase):
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def __init__(self, submission_id, problem_id):
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super().__init__()
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self.submission = Submission.objects.get(id=submission_id)
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self.contest_id = self.submission.contest_id
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self.last_result = self.submission.result if self.submission.info else None
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if self.contest_id:
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self.problem = Problem.objects.select_related("contest").get(id=problem_id, contest_id=self.contest_id)
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self.contest = self.problem.contest
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else:
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self.problem = Problem.objects.get(id=problem_id)
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def _compute_statistic_info(self, resp_data):
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# 用时和内存占用保存为多个测试点中最长的那个
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self.submission.statistic_info["time_cost"] = max([x["cpu_time"] for x in resp_data])
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self.submission.statistic_info["memory_cost"] = max([x["memory"] for x in resp_data])
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# sum up the score in OI mode
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if self.problem.rule_type == ProblemRuleType.OI:
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score = 0
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try:
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for i in range(len(resp_data)):
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if resp_data[i]["result"] == JudgeStatus.ACCEPTED:
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resp_data[i]["score"] = self.problem.test_case_score[i]["score"]
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score += resp_data[i]["score"]
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else:
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resp_data[i]["score"] = 0
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except IndexError:
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logger.error(f"Index Error raised when summing up the score in problem {self.problem.id}")
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self.submission.statistic_info["score"] = 0
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return
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self.submission.statistic_info["score"] = score
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def judge(self):
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server = self.choose_judge_server()
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if not server:
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data = {"submission_id": self.submission.id, "problem_id": self.problem.id}
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cache.lpush(CacheKey.waiting_queue, json.dumps(data))
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return
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language = self.submission.language
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sub_config = list(filter(lambda item: language == item["name"], languages))[0]
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spj_config = {}
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if self.problem.spj_code:
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for lang in spj_languages:
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if lang["name"] == self.problem.spj_language:
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spj_config = lang["spj"]
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break
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if language in self.problem.template:
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template = parse_problem_template(self.problem.template[language])
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code = f"{template['prepend']}\n{self.submission.code}\n{template['append']}"
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else:
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code = self.submission.code
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data = {
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"language_config": sub_config["config"],
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"src": code,
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"max_cpu_time": self.problem.time_limit,
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"max_memory": 1024 * 1024 * self.problem.memory_limit,
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"test_case_id": self.problem.test_case_id,
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"output": False,
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"spj_version": self.problem.spj_version,
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"spj_config": spj_config.get("config"),
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"spj_compile_config": spj_config.get("compile"),
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"spj_src": self.problem.spj_code
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}
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Submission.objects.filter(id=self.submission.id).update(result=JudgeStatus.JUDGING)
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resp = self._request(urljoin(server.service_url, "/judge"), data=data)
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if resp["err"]:
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self.submission.result = JudgeStatus.COMPILE_ERROR
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self.submission.statistic_info["err_info"] = resp["data"]
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self.submission.statistic_info["score"] = 0
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else:
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resp["data"].sort(key=lambda x: int(x["test_case"]))
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self.submission.info = resp
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self._compute_statistic_info(resp["data"])
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error_test_case = list(filter(lambda case: case["result"] != 0, resp["data"]))
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# ACM模式下,多个测试点全部正确则AC，否则取第一个错误的测试点的状态
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# OI模式下, 若多个测试点全部正确则AC， 若全部错误则取第一个错误测试点状态，否则为部分正确
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if not error_test_case:
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self.submission.result = JudgeStatus.ACCEPTED
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elif self.problem.rule_type == ProblemRuleType.ACM or len(error_test_case) == len(resp["data"]):
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self.submission.result = error_test_case[0]["result"]
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else:
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self.submission.result = JudgeStatus.PARTIALLY_ACCEPTED
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self.submission.save()
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self.release_judge_server(server.id)
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if self.contest_id:
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if self.contest.status != ContestStatus.CONTEST_UNDERWAY or \
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User.objects.get(id=self.submission.user_id).is_contest_admin(self.contest):
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logger.info(
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"Contest debug mode, id: " + str(self.contest_id) + ", submission id: " + self.submission.id)
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return
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self.update_contest_problem_status()
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self.update_contest_rank()
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else:
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if self.last_result:
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self.update_problem_status_rejudge()
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else:
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self.update_problem_status()
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# 至此判题结束，尝试处理任务队列中剩余的任务
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process_pending_task()
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def update_problem_status_rejudge(self):
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result = str(self.submission.result)
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problem_id = str(self.problem.id)
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with transaction.atomic():
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# update problem status
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problem = Problem.objects.select_for_update().get(contest_id=self.contest_id, id=self.problem.id)
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if self.last_result != JudgeStatus.ACCEPTED and self.submission.result == JudgeStatus.ACCEPTED:
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problem.accepted_number += 1
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problem_info = problem.statistic_info
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problem_info[self.last_result] = problem_info.get(self.last_result, 1) - 1
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problem_info[result] = problem_info.get(result, 0) + 1
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problem.save(update_fields=["accepted_number", "statistic_info"])
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profile = User.objects.select_for_update().get(id=self.submission.user_id).userprofile
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if problem.rule_type == ProblemRuleType.ACM:
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acm_problems_status = profile.acm_problems_status.get("problems", {})
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if acm_problems_status[problem_id]["status"] != JudgeStatus.ACCEPTED:
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acm_problems_status[problem_id]["status"] = self.submission.result
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if self.submission.result == JudgeStatus.ACCEPTED:
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profile.accepted_number += 1
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profile.acm_problems_status["problems"] = acm_problems_status
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profile.save(update_fields=["accepted_number", "acm_problems_status"])
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else:
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oi_problems_status = profile.oi_problems_status.get("problems", {})
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score = self.submission.statistic_info["score"]
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if oi_problems_status[problem_id]["status"] != JudgeStatus.ACCEPTED:
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# minus last time score, add this tim score
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profile.add_score(this_time_score=score,
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last_time_score=oi_problems_status[problem_id]["score"])
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oi_problems_status[problem_id]["score"] = score
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oi_problems_status[problem_id]["status"] = self.submission.result
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if self.submission.result == JudgeStatus.ACCEPTED:
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profile.accepted_number += 1
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profile.oi_problems_status["problems"] = oi_problems_status
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profile.save(update_fields=["accepted_number", "oi_problems_status"])
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def update_problem_status(self):
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result = str(self.submission.result)
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problem_id = str(self.problem.id)
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with transaction.atomic():
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# update problem status
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problem = Problem.objects.select_for_update().get(contest_id=self.contest_id, id=self.problem.id)
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problem.submission_number += 1
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if self.submission.result == JudgeStatus.ACCEPTED:
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problem.accepted_number += 1
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problem_info = problem.statistic_info
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problem_info[result] = problem_info.get(result, 0) + 1
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problem.save(update_fields=["accepted_number", "submission_number", "statistic_info"])
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# update_userprofile
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user = User.objects.select_for_update().get(id=self.submission.user_id)
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user_profile = user.userprofile
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user_profile.submission_number += 1
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if problem.rule_type == ProblemRuleType.ACM:
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acm_problems_status = user_profile.acm_problems_status.get("problems", {})
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if problem_id not in acm_problems_status:
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acm_problems_status[problem_id] = {"status": self.submission.result, "_id": self.problem._id}
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if self.submission.result == JudgeStatus.ACCEPTED:
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user_profile.accepted_number += 1
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elif acm_problems_status[problem_id]["status"] != JudgeStatus.ACCEPTED:
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acm_problems_status[problem_id]["status"] = self.submission.result
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if self.submission.result == JudgeStatus.ACCEPTED:
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user_profile.accepted_number += 1
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user_profile.acm_problems_status["problems"] = acm_problems_status
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user_profile.save(update_fields=["submission_number", "accepted_number", "acm_problems_status"])
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else:
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oi_problems_status = user_profile.oi_problems_status.get("problems", {})
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score = self.submission.statistic_info["score"]
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if problem_id not in oi_problems_status:
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user_profile.add_score(score)
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oi_problems_status[problem_id] = {"status": self.submission.result,
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"_id": self.problem._id,
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"score": score}
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if self.submission.result == JudgeStatus.ACCEPTED:
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user_profile.accepted_number += 1
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elif oi_problems_status[problem_id]["status"] != JudgeStatus.ACCEPTED:
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# minus last time score, add this time score
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user_profile.add_score(this_time_score=score,
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last_time_score=oi_problems_status[problem_id]["score"])
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oi_problems_status[problem_id]["score"] = score
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oi_problems_status[problem_id]["status"] = self.submission.result
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if self.submission.result == JudgeStatus.ACCEPTED:
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user_profile.accepted_number += 1
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user_profile.oi_problems_status["problems"] = oi_problems_status
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user_profile.save(update_fields=["submission_number", "accepted_number", "oi_problems_status"])
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def update_contest_problem_status(self):
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with transaction.atomic():
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user = User.objects.select_for_update().get(id=self.submission.user_id)
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user_profile = user.userprofile
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problem_id = str(self.problem.id)
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if self.contest.rule_type == ContestRuleType.ACM:
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contest_problems_status = user_profile.acm_problems_status.get("contest_problems", {})
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if problem_id not in contest_problems_status:
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contest_problems_status[problem_id] = {"status": self.submission.result, "_id": self.problem._id}
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elif contest_problems_status[problem_id]["status"] != JudgeStatus.ACCEPTED:
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contest_problems_status[problem_id]["status"] = self.submission.result
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else:
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# 如果已AC， 直接跳过 不计入任何计数器
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return
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user_profile.acm_problems_status["contest_problems"] = contest_problems_status
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user_profile.save(update_fields=["acm_problems_status"])
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elif self.contest.rule_type == ContestRuleType.OI:
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contest_problems_status = user_profile.oi_problems_status.get("contest_problems", {})
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score = self.submission.statistic_info["score"]
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if problem_id not in contest_problems_status:
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contest_problems_status[problem_id] = {"status": self.submission.result,
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"_id": self.problem._id,
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"score": score}
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else:
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contest_problems_status[problem_id]["score"] = score
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contest_problems_status[problem_id]["status"] = self.submission.result
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user_profile.oi_problems_status["contest_problems"] = contest_problems_status
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user_profile.save(update_fields=["oi_problems_status"])
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problem = Problem.objects.select_for_update().get(contest_id=self.contest_id, id=self.problem.id)
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result = str(self.submission.result)
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problem_info = problem.statistic_info
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problem_info[result] = problem_info.get(result, 0) + 1
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problem.submission_number += 1
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if self.submission.result == JudgeStatus.ACCEPTED:
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problem.accepted_number += 1
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problem.save(update_fields=["submission_number", "accepted_number", "statistic_info"])
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def update_contest_rank(self):
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if self.contest.rule_type == ContestRuleType.OI or self.contest.real_time_rank:
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cache.delete(f"{CacheKey.contest_rank_cache}:{self.contest.id}")
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with transaction.atomic():
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if self.contest.rule_type == ContestRuleType.ACM:
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acm_rank, _ = ACMContestRank.objects.select_for_update(). \
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get_or_create(user_id=self.submission.user_id, contest=self.contest)
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self._update_acm_contest_rank(acm_rank)
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else:
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oi_rank, _ = OIContestRank.objects.select_for_update(). \
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get_or_create(user_id=self.submission.user_id, contest=self.contest)
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self._update_oi_contest_rank(oi_rank)
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def _update_acm_contest_rank(self, rank):
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info = rank.submission_info.get(str(self.submission.problem_id))
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# 因前面更改过，这里需要重新获取
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problem = Problem.objects.get(contest_id=self.contest_id, id=self.problem.id)
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# 此题提交过
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if info:
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if info["is_ac"]:
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return
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rank.submission_number += 1
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if self.submission.result == JudgeStatus.ACCEPTED:
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rank.accepted_number += 1
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info["is_ac"] = True
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info["ac_time"] = (self.submission.create_time - self.contest.start_time).total_seconds()
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rank.total_time += info["ac_time"] + info["error_number"] * 20 * 60
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if problem.accepted_number == 1:
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info["is_first_ac"] = True
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elif self.submission.result != JudgeStatus.COMPILE_ERROR:
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info["error_number"] += 1
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# 第一次提交
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else:
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rank.submission_number += 1
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info = {"is_ac": False, "ac_time": 0, "error_number": 0, "is_first_ac": False}
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if self.submission.result == JudgeStatus.ACCEPTED:
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rank.accepted_number += 1
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info["is_ac"] = True
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info["ac_time"] = (self.submission.create_time - self.contest.start_time).total_seconds()
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rank.total_time += info["ac_time"]
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if problem.accepted_number == 1:
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info["is_first_ac"] = True
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elif self.submission.result != JudgeStatus.COMPILE_ERROR:
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info["error_number"] = 1
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rank.submission_info[str(self.submission.problem_id)] = info
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rank.save()
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def _update_oi_contest_rank(self, rank):
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problem_id = str(self.submission.problem_id)
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current_score = self.submission.statistic_info["score"]
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last_score = rank.submission_info.get(problem_id)
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if last_score:
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rank.total_score = rank.total_score - last_score + current_score
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else:
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rank.total_score = rank.total_score + current_score
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rank.submission_info[problem_id] = current_score
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rank.save()
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