def battle(loop):
bots = find_participants()
bot_map = {bot.safe_full_name: bot for bot in bots}
logging.info('Starting compilation')
# TODO compile async
compilation_success = all(bot.compile() for bot in bots)
if not compilation_success:
# Save errors on bots
access.add_all(bots)
logging.warning('Compilation failed')
return
logging.info('Compilation done')
logging.info('Starting graph generation')
graph = generate_graph(bot_map.keys())
logging.info('Graph generated: %s', ' | '.join(graph))
with tempfile.TemporaryFile('w+') as tmp_logfile:
cmd_map = {
name: bot.sandboxed_run_cmd
for name, bot in bot_map.items()
}
game = arbiter.Game(cmd_map, graph, MAX_STEPS, tmp_logfile)
player_map = game.players.copy()
logging.info('Starting match')
with Timed() as timings:
loop.run_until_complete(game.play_async())
logging.info('Stopping match')
winner = game.winner()
if winner:
winner = bot_map.get(winner.name)
logging.info('{} won'.format(winner) if winner else 'Draw')
# Save match outcome to database
match = Match(winner=winner,
start_time=timings.start_time,
end_time=timings.end_time)
for name, bot in bot_map.items():
warnings = '\n'.join(player_map[name].warnings)
participation = MatchParticipation(bot=bot, errors=warnings)
match.participations.append(participation)
try:
# Saves match object, but also adds an ID so we know where to save
# the log of the match to.
db.add(match)
db.commit()
# Store the log file to match.log_path
tmp_logfile.seek(0)
match.save_log(tmp_logfile.read())
except:
logging.exception("Database had to do a rollback.")
db.rollback()
raise
def battle(loop):
bots = find_participants()
bot_map = {bot.safe_full_name: bot for bot in bots}
logging.info('Starting compilation')
# TODO compile async
compilation_success = all(bot.compile() for bot in bots)
if not compilation_success:
# Save errors on bots
access.add_all(bots)
logging.warning('Compilation failed')
return
logging.info('Compilation done')
logging.info('Starting graph generation')
graph = generate_graph(bot_map.keys())
logging.info('Graph generated: %s', ' | '.join(graph))
with tempfile.TemporaryFile('w+') as tmp_logfile:
cmd_map = {name: bot.sandboxed_run_cmd
for name, bot in bot_map.items()}
game = arbiter.Game(cmd_map, graph, MAX_STEPS, tmp_logfile)
player_map = game.players.copy()
logging.info('Starting match')
with Timed() as timings:
loop.run_until_complete(game.play_async())
logging.info('Stopping match')
winner = game.winner()
if winner:
winner = bot_map.get(winner.name)
logging.info('{} won'.format(winner) if winner else 'Draw')
# Save match outcome to database
match = Match(winner=winner, start_time=timings.start_time,
end_time=timings.end_time)
for name, bot in bot_map.items():
warnings = '\n'.join(player_map[name].warnings)
participation = MatchParticipation(bot=bot, errors=warnings)
match.participations.append(participation)
try:
# Saves match object, but also adds an ID so we know where to save
# the log of the match to.
db.add(match)
db.commit()
# Store the log file to match.log_path
tmp_logfile.seek(0)
match.save_log(tmp_logfile.read())
except:
logging.exception("Database had to do a rollback.")
db.rollback()
raise
def battle_loop():
loop = asyncio.get_event_loop()
try:
while True:
try:
battle(loop)
sleep(5)
except Exception:
db.rollback()
logging.exception('Ranker encountered a fatal error')
# Keep trying after a while
sleep(300)
except KeyboardInterrupt:
logging.info('Stopping ranker')
finally:
loop.close()