mirror of
https://github.com/avatao-content/baseimage-tutorial-framework
synced 2024-11-05 21:01:20 +00:00
42 lines
1.4 KiB
Python
42 lines
1.4 KiB
Python
from functools import wraps
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from tfw.event_handler_base import TriggerlessEventHandler
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from tfw.components.mixins import SupervisorMixin
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from tfw.networking.event_handlers.server_connector import ServerUplinkConnector
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from tfw.config.logs import logging
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log = logging.getLogger(__name__)
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class ProcessManager(SupervisorMixin):
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def __init__(self):
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self.commands = {'start': self.start_process,
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'stop': self.stop_process,
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'restart': self.restart_process}
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def __call__(self, command, process_name):
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self.commands[command](process_name)
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class ProcessManagingEventHandler(TriggerlessEventHandler):
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def __init__(self, key, dirmonitor=None):
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super().__init__(key)
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self.key = key
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self.monitor = dirmonitor
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self.processmanager = ProcessManager()
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self.uplink = ServerUplinkConnector()
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def _with_monitor_paused(fun):
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@wraps(fun)
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def wrapper(self, *args, **kwargs):
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if self.monitor:
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with self.monitor.pauser:
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return fun(self, *args, **kwargs)
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return fun(self, *args, **kwargs)
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return wrapper
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@_with_monitor_paused
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def handle_event(self, key, data_json):
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data = data_json['data']
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self.processmanager(data['command'], data['process_name'])
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self.uplink.send(self.key, {'data': {'process_name': data['process_name']}})
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