414 lines
18 KiB
Python
414 lines
18 KiB
Python
import json
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import logging
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import time
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from operator import itemgetter
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from django import db
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from django.utils import timezone
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from django.db.models import F
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from judge import event_poster as event
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from judge.caching import finished_submission
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from judge.models import Judge, Language, LanguageLimit, Problem, RuntimeVersion, Submission, SubmissionTestCase
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from .judgehandler import JudgeHandler, SubmissionData
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logger = logging.getLogger('judge.bridge')
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json_log = logging.getLogger('judge.json.bridge')
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UPDATE_RATE_LIMIT = 5
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UPDATE_RATE_TIME = 0.5
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def _ensure_connection():
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try:
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db.connection.cursor().execute('SELECT 1').fetchall()
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except Exception:
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db.connection.close()
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class DjangoJudgeHandler(JudgeHandler):
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def __init__(self, server, socket):
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super(DjangoJudgeHandler, self).__init__(server, socket)
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# each value is (updates, last reset)
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self.update_counter = {}
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self.judge = None
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self.judge_address = None
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self._submission_cache_id = None
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self._submission_cache = {}
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json_log.info(self._make_json_log(action='connect'))
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def on_close(self):
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super(DjangoJudgeHandler, self).on_close()
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json_log.info(self._make_json_log(action='disconnect', info='judge disconnected'))
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if self._working:
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Submission.objects.filter(id=self._working).update(status='IE', result='IE')
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json_log.error(self._make_json_log(sub=self._working, action='close', info='IE due to shutdown on grading'))
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def on_malformed(self, packet):
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super(DjangoJudgeHandler, self).on_malformed(packet)
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json_log.exception(self._make_json_log(sub=self._working, info='malformed zlib packet'))
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def _packet_exception(self):
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json_log.exception(self._make_json_log(sub=self._working, info='packet processing exception'))
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def get_related_submission_data(self, submission):
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_ensure_connection() # We are called from the django-facing daemon thread. Guess what happens.
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try:
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pid, time, memory, short_circuit, lid, is_pretested, sub_date, uid, part_virtual, part_id = (
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Submission.objects.filter(id=submission)
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.values_list('problem__id', 'problem__time_limit', 'problem__memory_limit',
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'problem__short_circuit', 'language__id', 'is_pretested', 'date', 'user__id',
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'contest__participation__virtual', 'contest__participation__id')).get()
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except Submission.DoesNotExist:
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logger.error('Submission vanished: %s', submission)
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json_log.error(self._make_json_log(
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sub=self._working, action='request',
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info='submission vanished when fetching info',
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))
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return
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attempt_no = Submission.objects.filter(problem__id=pid, contest__participation__id=part_id, user__id=uid,
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date__lt=sub_date).exclude(status__in=('CE', 'IE')).count() + 1
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try:
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time, memory = (LanguageLimit.objects.filter(problem__id=pid, language__id=lid)
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.values_list('time_limit', 'memory_limit').get())
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except LanguageLimit.DoesNotExist:
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pass
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return SubmissionData(
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time=time,
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memory=memory,
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short_circuit=short_circuit,
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pretests_only=is_pretested,
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contest_no=part_virtual,
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attempt_no=attempt_no,
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user_id=uid,
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)
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def _authenticate(self, id, key):
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result = Judge.objects.filter(name=id, auth_key=key, is_blocked=False).exists()
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if not result:
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json_log.warning(self._make_json_log(action='auth', judge=id, info='judge failed authentication'))
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return result
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def _connected(self):
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judge = self.judge = Judge.objects.get(name=self.name)
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judge.start_time = timezone.now()
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judge.online = True
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judge.problems.set(Problem.objects.filter(code__in=list(self.problems.keys())))
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judge.runtimes.set(Language.objects.filter(key__in=list(self.executors.keys())))
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# Delete now in case we somehow crashed and left some over from the last connection
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RuntimeVersion.objects.filter(judge=judge).delete()
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versions = []
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for lang in judge.runtimes.all():
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versions += [
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RuntimeVersion(language=lang, name=name, version='.'.join(map(str, version)), priority=idx, judge=judge)
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for idx, (name, version) in enumerate(self.executors[lang.key])
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]
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RuntimeVersion.objects.bulk_create(versions)
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judge.last_ip = self.client_address[0]
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judge.save()
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self.judge_address = '[%s]:%s' % (self.client_address[0], self.client_address[1])
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json_log.info(self._make_json_log(action='auth', info='judge successfully authenticated',
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executors=list(self.executors.keys())))
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def _disconnected(self):
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Judge.objects.filter(id=self.judge.id).update(online=False)
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RuntimeVersion.objects.filter(judge=self.judge).delete()
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def _update_ping(self):
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try:
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Judge.objects.filter(name=self.name).update(ping=self.latency, load=self.load)
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except Exception as e:
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# What can I do? I don't want to tie this to MySQL.
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if e.__class__.__name__ == 'OperationalError' and e.__module__ == '_mysql_exceptions' and e.args[0] == 2006:
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db.connection.close()
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def _post_update_submission(self, id, state, done=False):
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if self._submission_cache_id == id:
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data = self._submission_cache
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else:
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self._submission_cache = data = Submission.objects.filter(id=id).values(
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'problem__is_public', 'contest__participation__contest__key',
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'user_id', 'problem_id', 'status', 'language__key',
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).get()
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self._submission_cache_id = id
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if data['problem__is_public']:
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event.post('submissions', {
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'type': 'done-submission' if done else 'update-submission',
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'state': state, 'id': id,
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'contest': data['contest__participation__contest__key'],
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'user': data['user_id'], 'problem': data['problem_id'],
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'status': data['status'], 'language': data['language__key'],
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})
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def on_submission_processing(self, packet):
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id = packet['submission-id']
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if Submission.objects.filter(id=id).update(status='P', judged_on=self.judge):
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event.post('sub_%s' % Submission.get_id_secret(id), {'type': 'processing'})
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self._post_update_submission(id, 'processing')
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json_log.info(self._make_json_log(packet, action='processing'))
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else:
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logger.warning('Unknown submission: %s', id)
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json_log.error(self._make_json_log(packet, action='processing', info='unknown submission'))
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def on_submission_wrong_acknowledge(self, packet, expected, got):
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json_log.error(self._make_json_log(packet, action='processing', info='wrong-acknowledge', expected=expected))
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def on_grading_begin(self, packet):
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super(DjangoJudgeHandler, self).on_grading_begin(packet)
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if Submission.objects.filter(id=packet['submission-id']).update(
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status='G', is_pretested=packet['pretested'],
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current_testcase=1, batch=False, points=0):
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SubmissionTestCase.objects.filter(submission_id=packet['submission-id']).delete()
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event.post('sub_%s' % Submission.get_id_secret(packet['submission-id']), {'type': 'grading-begin'})
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self._post_update_submission(packet['submission-id'], 'grading-begin')
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json_log.info(self._make_json_log(packet, action='grading-begin'))
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else:
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logger.warning('Unknown submission: %s', packet['submission-id'])
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json_log.error(self._make_json_log(packet, action='grading-begin', info='unknown submission'))
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def _submission_is_batch(self, id):
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if not Submission.objects.filter(id=id).update(batch=True):
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logger.warning('Unknown submission: %s', id)
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def on_grading_end(self, packet):
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super(DjangoJudgeHandler, self).on_grading_end(packet)
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try:
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submission = Submission.objects.get(id=packet['submission-id'])
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except Submission.DoesNotExist:
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logger.warning('Unknown submission: %s', packet['submission-id'])
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json_log.error(self._make_json_log(packet, action='grading-end', info='unknown submission'))
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return
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time = 0
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memory = 0
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points = 0.0
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total = 0
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status = 0
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status_codes = ['SC', 'AC', 'WA', 'MLE', 'TLE', 'IR', 'RTE', 'OLE']
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batches = {} # batch number: (points, total)
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for case in SubmissionTestCase.objects.filter(submission=submission):
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time += case.time
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if not case.batch:
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points += case.points
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total += case.total
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else:
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if case.batch in batches:
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batches[case.batch][0] = min(batches[case.batch][0], case.points)
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batches[case.batch][1] = max(batches[case.batch][1], case.total)
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else:
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batches[case.batch] = [case.points, case.total]
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memory = max(memory, case.memory)
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i = status_codes.index(case.status)
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if i > status:
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status = i
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for i in batches:
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points += batches[i][0]
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total += batches[i][1]
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points = round(points, 1)
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total = round(total, 1)
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submission.case_points = points
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submission.case_total = total
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problem = submission.problem
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sub_points = round(points / total * problem.points if total > 0 else 0, 3)
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if not problem.partial and sub_points != problem.points:
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sub_points = 0
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submission.status = 'D'
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submission.time = time
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submission.memory = memory
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submission.points = sub_points
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submission.result = status_codes[status]
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submission.save()
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json_log.info(self._make_json_log(
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packet, action='grading-end', time=time, memory=memory,
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points=sub_points, total=problem.points, result=submission.result,
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case_points=points, case_total=total, user=submission.user_id,
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problem=problem.code, finish=True,
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))
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submission.user._updating_stats_only = True
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submission.user.calculate_points()
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problem._updating_stats_only = True
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problem.update_stats()
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submission.update_contest()
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finished_submission(submission)
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event.post('sub_%s' % submission.id_secret, {
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'type': 'grading-end',
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'time': time,
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'memory': memory,
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'points': float(points),
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'total': float(problem.points),
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'result': submission.result,
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})
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if hasattr(submission, 'contest'):
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participation = submission.contest.participation
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event.post('contest_%d' % participation.contest_id, {'type': 'update'})
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self._post_update_submission(submission.id, 'grading-end', done=True)
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def on_compile_error(self, packet):
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super(DjangoJudgeHandler, self).on_compile_error(packet)
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if Submission.objects.filter(id=packet['submission-id']).update(status='CE', result='CE', error=packet['log']):
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event.post('sub_%s' % Submission.get_id_secret(packet['submission-id']), {
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'type': 'compile-error',
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'log': packet['log'],
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})
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self._post_update_submission(packet['submission-id'], 'compile-error', done=True)
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json_log.info(self._make_json_log(packet, action='compile-error', log=packet['log'],
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finish=True, result='CE'))
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else:
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logger.warning('Unknown submission: %s', packet['submission-id'])
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json_log.error(self._make_json_log(packet, action='compile-error', info='unknown submission',
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log=packet['log'], finish=True, result='CE'))
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def on_compile_message(self, packet):
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super(DjangoJudgeHandler, self).on_compile_message(packet)
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if Submission.objects.filter(id=packet['submission-id']).update(error=packet['log']):
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event.post('sub_%s' % Submission.get_id_secret(packet['submission-id']), {'type': 'compile-message'})
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json_log.info(self._make_json_log(packet, action='compile-message', log=packet['log']))
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else:
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logger.warning('Unknown submission: %s', packet['submission-id'])
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json_log.error(self._make_json_log(packet, action='compile-message', info='unknown submission',
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log=packet['log']))
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def on_internal_error(self, packet):
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super(DjangoJudgeHandler, self).on_internal_error(packet)
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id = packet['submission-id']
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if Submission.objects.filter(id=id).update(status='IE', result='IE', error=packet['message']):
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event.post('sub_%s' % Submission.get_id_secret(id), {'type': 'internal-error'})
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self._post_update_submission(id, 'internal-error', done=True)
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json_log.info(self._make_json_log(packet, action='internal-error', message=packet['message'],
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finish=True, result='IE'))
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else:
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logger.warning('Unknown submission: %s', id)
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json_log.error(self._make_json_log(packet, action='internal-error', info='unknown submission',
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message=packet['message'], finish=True, result='IE'))
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def on_submission_terminated(self, packet):
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super(DjangoJudgeHandler, self).on_submission_terminated(packet)
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if Submission.objects.filter(id=packet['submission-id']).update(status='AB', result='AB'):
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event.post('sub_%s' % Submission.get_id_secret(packet['submission-id']), {'type': 'aborted-submission'})
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self._post_update_submission(packet['submission-id'], 'terminated', done=True)
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json_log.info(self._make_json_log(packet, action='aborted', finish=True, result='AB'))
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else:
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logger.warning('Unknown submission: %s', packet['submission-id'])
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json_log.error(self._make_json_log(packet, action='aborted', info='unknown submission',
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finish=True, result='AB'))
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def on_batch_begin(self, packet):
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super(DjangoJudgeHandler, self).on_batch_begin(packet)
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json_log.info(self._make_json_log(packet, action='batch-begin', batch=self.batch_id))
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def on_batch_end(self, packet):
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super(DjangoJudgeHandler, self).on_batch_end(packet)
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json_log.info(self._make_json_log(packet, action='batch-end', batch=self.batch_id))
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def on_test_case(self, packet, max_feedback=SubmissionTestCase._meta.get_field('feedback').max_length):
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super(DjangoJudgeHandler, self).on_test_case(packet)
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id = packet['submission-id']
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updates = packet['cases']
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max_position = max(map(itemgetter('position'), updates))
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sum_points = sum(map(itemgetter('points'), updates))
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print(sum_points)
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if not Submission.objects.filter(id=id).update(current_testcase=max_position + 1, points=F('points') + sum_points):
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logger.warning('Unknown submission: %s', id)
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json_log.error(self._make_json_log(packet, action='test-case', info='unknown submission'))
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return
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bulk_test_case_updates = []
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for result in updates:
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test_case = SubmissionTestCase(submission_id=id, case=result['position'])
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status = result['status']
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if status & 4:
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test_case.status = 'TLE'
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elif status & 8:
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test_case.status = 'MLE'
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elif status & 64:
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test_case.status = 'OLE'
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elif status & 2:
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test_case.status = 'RTE'
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elif status & 16:
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test_case.status = 'IR'
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elif status & 1:
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test_case.status = 'WA'
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elif status & 32:
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test_case.status = 'SC'
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else:
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test_case.status = 'AC'
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test_case.time = result['time']
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test_case.memory = result['memory']
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test_case.points = result['points']
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test_case.total = result['total-points']
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test_case.batch = self.batch_id if self.in_batch else None
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test_case.feedback = (result.get('feedback') or '')[:max_feedback]
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test_case.extended_feedback = result.get('extended-feedback') or ''
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test_case.output = result['output']
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bulk_test_case_updates.append(test_case)
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json_log.info(self._make_json_log(
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packet, action='test-case', case=test_case.case, batch=test_case.batch,
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time=test_case.time, memory=test_case.memory, feedback=test_case.feedback,
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extended_feedback=test_case.extended_feedback, output=test_case.output,
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points=test_case.points, total=test_case.total, status=test_case.status,
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))
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do_post = True
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if id in self.update_counter:
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cnt, reset = self.update_counter[id]
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cnt += 1
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if time.monotonic() - reset > UPDATE_RATE_TIME:
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del self.update_counter[id]
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else:
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self.update_counter[id] = (cnt, reset)
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if cnt > UPDATE_RATE_LIMIT:
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do_post = False
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if id not in self.update_counter:
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self.update_counter[id] = (1, time.monotonic())
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if do_post:
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event.post('sub_%s' % Submission.get_id_secret(id), {
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'type': 'test-case',
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'id': max_position,
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})
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self._post_update_submission(id, state='test-case')
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SubmissionTestCase.objects.bulk_create(bulk_test_case_updates)
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def on_supported_problems(self, packet):
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super(DjangoJudgeHandler, self).on_supported_problems(packet)
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self.judge.problems.set(Problem.objects.filter(code__in=list(self.problems.keys())))
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json_log.info(self._make_json_log(action='update-problems', count=len(self.problems)))
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def _make_json_log(self, packet=None, sub=None, **kwargs):
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data = {
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'judge': self.name,
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'address': self.judge_address,
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}
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if sub is None and packet is not None:
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sub = packet.get('submission-id')
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if sub is not None:
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data['submission'] = sub
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data.update(kwargs)
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return json.dumps(data)
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