313 lines
12 KiB
Python
Executable File
313 lines
12 KiB
Python
Executable File
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# Author: İsmail BAŞARAN <ismail.basaran@tubitak.gov.tr> <basaran.ismaill@gmail.com>
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# Author: Volkan Şahin <volkansah.in> <bm.volkansahin@gmail.com>
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import os
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import queue
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import signal
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import sys
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import threading
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import time
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import json
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from base.Scope import Scope
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from base.command.commander import Commander
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from base.config.ConfigManager import ConfigManager
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from base.database.AhenkDbService import AhenkDbService
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from base.deamon.BaseDeamon import BaseDaemon
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from base.event.EventManager import EventManager
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from base.execution.ExecutionManager import ExecutionManager
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from base.logger.AhenkLogger import Logger
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from base.messaging.MessageResponseQueue import MessageResponseQueue
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from base.messaging.Messager import Messager
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from base.messaging.Messaging import Messaging
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from base.plugin.plugin_manager_factory import PluginManagerFactory
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from base.registration.Registration import Registration
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from base.scheduler.scheduler_factory import SchedulerFactory
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from base.system.system import System
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from base.task.TaskManager import TaskManager
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ahenkdaemon = None
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class AhenkDeamon(BaseDaemon):
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"""docstring for AhenkDeamon"""
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def reload(self):
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# reload service here
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pass
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def init_logger(self):
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logger = Logger()
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logger.info('[AhenkDeamon] Log was set')
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Scope.getInstance().setLogger(logger)
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return logger
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def init_config_manager(self, configFilePath, configfileFolderPath):
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configManager = ConfigManager(configFilePath, configfileFolderPath)
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config = configManager.read()
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Scope.getInstance().setConfigurationManager(config)
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return config
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def init_scheduler(self):
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scheduler_ins = SchedulerFactory.get_intstance()
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scheduler_ins.initialize()
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Scope.getInstance().set_scheduler(scheduler_ins)
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sc_thread = threading.Thread(target=scheduler_ins.run)
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sc_thread.setDaemon(True)
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sc_thread.start()
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return scheduler_ins
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def init_event_manager(self):
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eventManager = EventManager()
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Scope.getInstance().setEventManager(eventManager)
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return eventManager
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def init_ahenk_db(self):
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db_service = AhenkDbService()
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db_service.connect()
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db_service.initialize_table()
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Scope.getInstance().setDbService(db_service)
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return db_service
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def init_messaging(self):
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messageManager = Messaging()
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Scope.getInstance().setMessageManager(messageManager)
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return messageManager
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def init_plugin_manager(self):
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pluginManager = PluginManagerFactory.get_instance()
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pluginManager.loadPlugins()
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Scope.getInstance().setPluginManager(pluginManager)
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return pluginManager
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def init_task_manager(self):
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taskManager = TaskManager()
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Scope.getInstance().setTaskManager(taskManager)
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return taskManager
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def init_registration(self):
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registration = Registration()
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Scope.getInstance().setRegistration(registration)
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return registration
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def init_execution_manager(self):
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execution_manager = ExecutionManager()
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Scope.getInstance().setExecutionManager(execution_manager)
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return execution_manager
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def init_messager(self):
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messenger = Messager()
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messenger_thread = threading.Thread(target=messenger.connect_to_server)
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messenger_thread.start()
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while messenger.is_connected() is False:
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time.sleep(1)
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time.sleep(5)
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Scope.getInstance().setMessager(messenger)
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return messenger
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def init_message_response_queue(self):
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responseQueue = queue.Queue()
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messageResponseQueue = MessageResponseQueue(responseQueue)
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messageResponseQueue.setDaemon(True)
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messageResponseQueue.start()
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Scope.getInstance().setResponseQueue(responseQueue)
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return responseQueue
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def check_registration(self):
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# TODO get number of attemption
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max_attemp_number = int(System.Hardware.Network.interface_size()) * 3
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logger = Scope.getInstance().getLogger()
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try:
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while Scope.getInstance().getRegistration().is_registered() is False:
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max_attemp_number -= 1
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logger.debug('[AhenkDeamon] Ahenk is not registered. Attempting for registration')
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# TODO 'Could not reach Registration response from Lider. Be sure Lider is awake and it is connected to XMPP server!'
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Scope.getInstance().getRegistration().registration_request()
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if max_attemp_number < 0:
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logger.warning('[AhenkDeamon] Number of Attempting for registration is over')
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self.registration_failed()
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break
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except Exception as e:
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logger.error('[AhenkDeamon] Registration failed. Error message: {}'.format(str(e)))
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def registration_failed(self):
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# TODO registration fail protocol implement
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pass
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def reload_plugins(self):
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Scope.getInstance().getPluginManager().reloadPlugins()
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def reload_configuration(self):
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# Not implemented yet
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pass
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def reload_messaging(self):
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# Not implemented yet
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pass
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def reload_logger(self):
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# Not implemented yet
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pass
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def update_plugin_manager(self):
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# TODO destroy plugin manager here
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self.init_plugin_manager()
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def run(self):
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print('Ahenk running...')
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self.signal_number = 0
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globalscope = Scope()
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globalscope.setInstance(globalscope)
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configfileFolderPath = '/etc/ahenk/config.d/'
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# configuration manager must be first load
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self.init_config_manager(System.Ahenk.config_path(), configfileFolderPath)
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# Logger must be second
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self.logger = self.init_logger()
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self.init_event_manager()
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self.logger.info('[AhenkDeamon] Event Manager was set')
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self.init_ahenk_db()
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self.logger.info('[AhenkDeamon] DataBase Service was set')
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self.init_messaging()
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self.logger.info('[AhenkDeamon] Message Manager was set')
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self.init_plugin_manager()
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self.logger.info('[AhenkDeamon] Plugin Manager was set')
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self.init_task_manager()
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self.logger.info('[AhenkDeamon] Task Manager was set')
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self.init_registration()
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self.logger.info('[AhenkDeamon] Registration was set')
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self.init_execution_manager()
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self.logger.info('[AhenkDeamon] Execution Manager was set')
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self.check_registration()
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self.logger.info('[AhenkDeamon] Ahenk is registered')
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messager = self.init_messager()
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self.logger.info('[AhenkDeamon] Messager was set')
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self.init_message_response_queue()
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# if registration.is_ldap_registered() is False:
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# logger.debug('[AhenkDeamon] Attempting to registering ldap')
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# registration.ldap_registration_request() #TODO work on message
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self.logger.info('[AhenkDeamon] LDAP registration of Ahenk is completed')
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with open(System.Ahenk.pid_path(), 'w+') as config_file:
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config_file.write(str(os.getpid()))
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try:
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signal.signal(signal.SIGALRM, self.run_command_from_fifo)
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self.logger.info('[AhenkDeamon] Signal handler is set up')
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except Exception as e:
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self.logger.error('[AhenkDeamon] Signal handler could not set up. Error Message: {} '.format(str(e)))
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messager.send_direct_message('test')
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while True:
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if messager.is_connected() is False:
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self.logger.debug('reconnecting')
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Scope.getInstance().getLogger().warning('[AhenkDeamon] Connection is lost. Ahenk is trying for reconnection')
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messager = self.init_messager()
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time.sleep(1)
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def run_command_from_fifo(self, num, stack):
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json_data = json.loads(Commander().get_event())
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if json_data is not None:
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scope = Scope().getInstance()
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plugin_manager = scope.getPluginManager()
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message_manager = scope.getMessageManager()
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messenger = scope.getMessager()
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self.logger.debug('[AhenkDeamon] Signal handled')
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self.logger.debug('[AhenkDeamon] Signal is :{}'.format(str(json_data['event'])))
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print('event:{}'.format(str(json_data['event'])))
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if 'login' == str(json_data['event']):
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self.logger.info('[AhenkDeamon] login event is handled for user: {}'.format(json_data['username']))
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login_message = message_manager.login_msg(json_data['username'])
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messenger.send_direct_message(login_message)
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get_policy_message = message_manager.policy_request_msg(json_data['username'])
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messenger.send_direct_message(get_policy_message)
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elif 'logout' == str(json_data['event']):
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self.logger.info('[AhenkDeamon] logout event is handled for user: {}'.format(str(json_data['username'])))
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logout_message = message_manager.logout_msg(json_data['username'])
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messenger.send_direct_message(logout_message)
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plugin_manager.process_safe_mode(str(json_data['username']))
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elif 'send' == str(json_data['event']):
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self.logger.info('[AhenkDeamon] Sending message over ahenkd command. Response Message: {}'.format(str(json_data['message'])))
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message = str(json.dumps(json_data['message']))
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messenger.send_direct_message(message)
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else:
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self.logger.error('[AhenkDeamon] Unknown command error. Command:' + json_data['event'])
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self.logger.debug('[AhenkDeamon] Processing of handled event is completed')
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return True
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else:
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return False
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if __name__ == '__main__':
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ahenkdaemon = AhenkDeamon(System.Ahenk.pid_path())
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try:
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if len(sys.argv) == 2 and (sys.argv[1] == 'start' or sys.argv[1] == 'stop' or sys.argv[1] == 'restart' or sys.argv[1] == 'status'):
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if sys.argv[1] == 'start':
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if System.Ahenk.is_running() is True:
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print('There is running Ahenk service. It will be killed.')
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print(str(System.Ahenk.get_pid_number()))
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System.Process.kill_by_pid(int(System.Ahenk.get_pid_number()))
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else:
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print('Ahenk starting...')
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ahenkdaemon.run()
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elif sys.argv[1] == 'stop':
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if System.Ahenk.is_running() is True:
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print('Ahenk stopping...')
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ahenkdaemon.stop()
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else:
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print('Ahenk not working!')
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elif sys.argv[1] == 'restart':
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if System.Ahenk.is_running() is True:
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print('Ahenk restarting...')
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ahenkdaemon.restart()
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else:
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print('Ahenk starting...')
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ahenkdaemon.run()
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elif sys.argv[1] == 'status':
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print(Commander().status())
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else:
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print('Unknown command. Usage : %s start|stop|restart|status|clean' % sys.argv[0])
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sys.exit(2)
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else:
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result = Commander().set_event(sys.argv)
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if result is None:
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print('Usage : {0} start|stop|restart|status|clean'.format(sys.argv[0]))
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sys.exit(2)
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elif result is True:
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if System.Ahenk.is_running() is True:
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os.kill(int(System.Ahenk.get_pid_number()), signal.SIGALRM)
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except(KeyboardInterrupt, SystemExit):
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if System.Ahenk.is_running() is True:
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print('Ahenk will be closed.')
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ahenkdaemon.stop()
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