NDOJ/judge/bridge/daemon.py

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2020-07-19 21:27:14 +00:00
import logging
import signal
import threading
from functools import partial
from django.conf import settings
from judge.bridge.django_handler import DjangoHandler
from judge.bridge.judge_handler import JudgeHandler
from judge.bridge.judge_list import JudgeList
from judge.bridge.server import Server
from judge.models import Judge, Submission
logger = logging.getLogger('judge.bridge')
def reset_judges():
Judge.objects.update(online=False, ping=None, load=None)
def judge_daemon():
reset_judges()
Submission.objects.filter(status__in=Submission.IN_PROGRESS_GRADING_STATUS) \
.update(status='IE', result='IE', error=None)
judges = JudgeList()
judge_server = Server(settings.BRIDGED_JUDGE_ADDRESS, partial(JudgeHandler, judges=judges))
django_server = Server(settings.BRIDGED_DJANGO_ADDRESS, partial(DjangoHandler, judges=judges))
threading.Thread(target=django_server.serve_forever).start()
threading.Thread(target=judge_server.serve_forever).start()
stop = threading.Event()
def signal_handler(signum, _):
logger.info('Exiting due to %s', signal.Signals(signum).name)
stop.set()
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGQUIT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
try:
stop.wait()
finally:
django_server.shutdown()
judge_server.shutdown()