#!/usr/bin/python3
# -*- coding: utf-8 -*-
#
# Copyright 2021-2022 Univention GmbH
#
# https://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <https://www.gnu.org/licenses/>.
#
from logging import getLogger
from univention.ldap_cache.cache import get_cache
from univention.listener.handler import ListenerModuleHandler
[docs]class LdapCacheHandler(ListenerModuleHandler):
def __init__(self, *args, **kwargs):
self._counter = 0
super(LdapCacheHandler, self).__init__(*args, **kwargs)
cache_logger = getLogger('univention.ldap_cache')
cache_logger.setLevel(self.logger.level)
for handler in self.logger.handlers:
cache_logger.addHandler(handler)
def _cleanup_cache_if_needed(self):
self._counter += 1
if self._counter % 1000 == 0:
for name, db in get_cache():
db.cleanup()
[docs] def create(self, dn, new):
self._cleanup_cache_if_needed()
for shard in get_cache().get_shards_for_query(self._get_configuration().get_ldap_filter()):
shard.add_object((dn, new))
[docs] def modify(self, dn, old, new, old_dn):
self._cleanup_cache_if_needed()
for shard in get_cache().get_shards_for_query(self._get_configuration().get_ldap_filter()):
shard.rm_object((old_dn or dn, old))
shard.add_object((dn, new))
[docs] def remove(self, dn, old):
self._cleanup_cache_if_needed()
for shard in get_cache().get_shards_for_query(self._get_configuration().get_ldap_filter()):
shard.rm_object((dn, old))
[docs] def post_run(self):
self._counter = -1
self._cleanup_cache_if_needed()
[docs] class Configuration(ListenerModuleHandler.Configuration):
[docs] def get_priority(self):
return 2.0
