晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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import logging
from defence360agent.contracts.config import (
_DOS_DETECTOR_MIN_LIMIT,
ConfigFile,
)
logger = logging.getLogger(__name__)
def migrate(migrator, database, fake=False, **kwargs):
if fake:
return
try:
config_file = ConfigFile()
config = config_file.config_to_dict(False)
if "DOS" not in config:
return
if "max_connections" in config["DOS"] and isinstance(
config["DOS"]["max_connections"], int
):
config["DOS"]["default_limit"] = max(
config["DOS"]["max_connections"], _DOS_DETECTOR_MIN_LIMIT
)
del config["DOS"]["max_connections"]
if "timeout" in config["DOS"]:
config["DOS"]["interval"] = config["DOS"]["timeout"]
del config["DOS"]["timeout"]
config_file.dict_to_config(config, overwrite=True)
except Exception:
logger.exception("Failed to replace DOS settings")
def rollback(migrator, database, fake=False, **kwargs):
pass