mirror of
https://github.com/LiteyukiStudio/LiteyukiBot.git
synced 2024-11-11 08:47:23 +08:00
106 lines
2.9 KiB
Python
106 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Copyright (C) 2020-2024 LiteyukiStudio. All Rights Reserved
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@Time : 2024/7/27 上午11:12
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@Author : snowykami
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@Email : snowykami@outlook.com
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@File : manager.py
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@Software: PyCharm
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"""
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import asyncio
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import threading
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from multiprocessing import Process
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from typing import TYPE_CHECKING
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from liteyuki.comm import Channel
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from liteyuki.log import logger
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if TYPE_CHECKING:
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from liteyuki.bot import LiteyukiBot
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TIMEOUT = 10
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__all__ = [
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"ProcessManager"
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]
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class ProcessManager:
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"""
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在主进程中被调用
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"""
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def __init__(self, bot: "LiteyukiBot", chan: Channel):
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self.bot = bot
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self.chan = chan
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self.targets: dict[str, tuple[callable, tuple, dict]] = {}
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self.processes: dict[str, Process] = {}
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def start(self, name: str, delay: int = 0):
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"""
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开启后自动监控进程，并添加到进程字典中
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Args:
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name:
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delay:
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Returns:
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"""
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if name not in self.targets:
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raise KeyError(f"Process {name} not found.")
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def _start():
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should_exit = False
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while not should_exit:
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process = Process(target=self.targets[name][0], args=(self.chan, *self.targets[name][1]), kwargs=self.targets[name][2])
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self.processes[name] = process
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process.start()
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while not should_exit:
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# 0退出 1重启
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data = self.chan.receive(name)
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if data == 1:
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logger.info(f"Restarting process {name}")
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asyncio.run(self.bot.lifespan.before_shutdown())
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asyncio.run(self.bot.lifespan.before_restart())
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self.terminate(name)
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break
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elif data == 0:
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logger.info(f"Stopping process {name}")
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asyncio.run(self.bot.lifespan.before_shutdown())
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should_exit = True
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self.terminate(name)
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else:
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logger.warning("Unknown data received, ignored.")
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if delay:
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threading.Timer(delay, _start).start()
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else:
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threading.Thread(target=_start).start()
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def add_target(self, name: str, target, *args, **kwargs):
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self.targets[name] = (target, args, kwargs)
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def join(self):
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for name, process in self.targets:
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process.join()
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def terminate(self, name: str):
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"""
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终止进程并从进程字典中删除
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Args:
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name:
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Returns:
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"""
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if name not in self.targets:
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raise logger.warning(f"Process {name} not found.")
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process = self.processes[name]
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process.terminate()
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process.join(TIMEOUT)
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if process.is_alive():
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process.kill()
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