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###
# ============LICENSE_START=======================================================
# Netconf Server
# ================================================================================
# Copyright (C) 2021 Nokia. All rights reserved.
# ================================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============LICENSE_END=========================================================
###
import logging
from netconf_server.sysrepo_interface.config_change_data import ConfigChangeData
logger = logging.getLogger("sysrep_config_change_subscriber")
class ConfigChangeSubscriber(object):
def __init__(self, module_name: str, callback_function: callable = None):
self.module_name = module_name
if callback_function is None:
self.callback_function = self.default_callback
else:
self.callback_function = callback_function
def subscribe_on_model_change(self, session):
logger.info("Subscribing on config change for module %s" % self.module_name)
session.subscribe_module_change(
self.module_name, None, self.on_module_have_changed, asyncio_register=True
)
async def on_module_have_changed(self, event: str, req_id: int, changes: list, private_data: any):
logger.debug("Module changed: %s (request ID %s)" % (event, req_id))
self.callback_function(ConfigChangeData(event, req_id, changes))
@staticmethod
def default_callback(config_change_data: ConfigChangeData):
logger.info("Received module changed: %s , %s " % (config_change_data.event, config_change_data.changes))
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