nfv/nfv/nfv-common/nfv_common/event_log/_event_log_thread.py

68 lines
1.8 KiB
Python
Executable File

#
# Copyright (c) 2015-2016 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
import six
from nfv_common import debug
from nfv_common import thread
from nfv_common.helpers import Singleton
from nfv_common.event_log._event_log_handlers import EventLogHandlers
DLOG = debug.debug_get_logger('nfv_common.event_log.event_log_thread')
@six.add_metaclass(Singleton)
class EventLogWorker(thread.ThreadWorker):
"""
Event Log Worker
"""
def __init__(self, name, config):
super(EventLogWorker, self).__init__(name)
self._config = config
self._handlers = None
def initialize(self):
"""
Initialize the Event Log Worker
"""
self._handlers = EventLogHandlers(self._config['namespace'],
self._config['handlers'])
self._handlers.initialize(self._config['config_file'])
def finalize(self):
"""
Finalize the Event Log Worker
"""
if self._handlers is not None:
self._handlers.finalize()
def do_work(self, action, work):
"""
Do work given to the Event Log Worker
"""
if EventLogThread.ACTION_LOG_EVENT == action:
self._handlers.log(work['log-data'])
@six.add_metaclass(Singleton)
class EventLogThread(thread.Thread):
"""
Event Log Thread
"""
ACTION_LOG_EVENT = "thread-log-event"
def __init__(self, config=None):
self._worker = EventLogWorker('Event-Log', config)
super(EventLogThread, self).__init__('Event-Log', self._worker)
def log(self, log_data):
"""
Send log data to the Event Log Thread
"""
work = dict()
work['log-data'] = log_data
self.send_work(EventLogThread.ACTION_LOG_EVENT, work)