mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-12 01:00:29 +08:00
190 lines
7.0 KiB
Python
190 lines
7.0 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main Pi-KVM daemon. #
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# #
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# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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# ========================================================================== #
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from typing import Dict
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from typing import AsyncGenerator
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from typing import Optional
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import gpiod
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from ...logging import get_logger
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from ... import aiotools
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from ... import aiogp
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from ...yamlconf import Option
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from ...validators.basic import valid_bool
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from ...validators.basic import valid_float_f01
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from ...validators.hw import valid_gpio_pin
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from . import AtxIsBusyError
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from . import BaseAtx
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# =====
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class Plugin(BaseAtx): # pylint: disable=too-many-instance-attributes
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def __init__( # pylint: disable=too-many-arguments,super-init-not-called
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self,
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power_led_pin: int,
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hdd_led_pin: int,
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power_led_inverted: bool,
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hdd_led_inverted: bool,
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power_switch_pin: int,
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reset_switch_pin: int,
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click_delay: float,
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long_click_delay: float,
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) -> None:
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self.__power_led_pin = power_led_pin
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self.__hdd_led_pin = hdd_led_pin
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self.__power_switch_pin = power_switch_pin
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self.__reset_switch_pin = reset_switch_pin
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self.__click_delay = click_delay
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self.__long_click_delay = long_click_delay
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self.__notifier = aiotools.AioNotifier()
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self.__region = aiotools.AioExclusiveRegion(AtxIsBusyError, self.__notifier)
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self.__chip: Optional[gpiod.Chip] = None
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self.__power_switch_line: Optional[gpiod.Line] = None
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self.__reset_switch_line: Optional[gpiod.Line] = None
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self.__reader = aiogp.AioPinsReader(
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path=aiogp.DEVICE_PATH,
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consumer="kvmd/atx-gpio/leds",
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pins={
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power_led_pin: power_led_inverted,
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hdd_led_pin: hdd_led_inverted,
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},
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notifier=self.__notifier,
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)
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@classmethod
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def get_plugin_options(cls) -> Dict:
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return {
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"power_led_pin": Option(-1, type=valid_gpio_pin),
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"hdd_led_pin": Option(-1, type=valid_gpio_pin),
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"power_led_inverted": Option(False, type=valid_bool),
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"hdd_led_inverted": Option(False, type=valid_bool),
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"power_switch_pin": Option(-1, type=valid_gpio_pin),
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"reset_switch_pin": Option(-1, type=valid_gpio_pin),
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"click_delay": Option(0.1, type=valid_float_f01),
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"long_click_delay": Option(5.5, type=valid_float_f01),
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}
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def sysprep(self) -> None:
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assert self.__chip is None
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assert self.__power_switch_line is None
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assert self.__reset_switch_line is None
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self.__chip = gpiod.Chip(aiogp.DEVICE_PATH)
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self.__power_switch_line = self.__chip.get_line(self.__power_switch_pin)
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self.__power_switch_line.request("kvmd/atx-gpio/power_switch", gpiod.LINE_REQ_DIR_OUT, default_val=0)
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self.__reset_switch_line = self.__chip.get_line(self.__reset_switch_pin)
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self.__reset_switch_line.request("kvmd/atx-gpio/reset_switch", gpiod.LINE_REQ_DIR_OUT, default_val=0)
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async def get_state(self) -> Dict:
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return {
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"enabled": True,
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"busy": self.__region.is_busy(),
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"leds": {
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"power": self.__reader.get(self.__power_led_pin),
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"hdd": self.__reader.get(self.__hdd_led_pin),
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},
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}
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async def poll_state(self) -> AsyncGenerator[Dict, None]:
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prev_state: Dict = {}
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while True:
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state = await self.get_state()
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if state != prev_state:
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yield state
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prev_state = state
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await self.__notifier.wait()
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async def systask(self) -> None:
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await self.__reader.poll()
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async def cleanup(self) -> None:
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if self.__chip:
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try:
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self.__chip.close()
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except Exception:
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pass
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# =====
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async def power_on(self, wait: bool) -> None:
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if not (await self.__get_power()):
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await self.click_power(wait)
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async def power_off(self, wait: bool) -> None:
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if (await self.__get_power()):
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await self.click_power(wait)
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async def power_off_hard(self, wait: bool) -> None:
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if (await self.__get_power()):
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await self.click_power_long(wait)
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async def power_reset_hard(self, wait: bool) -> None:
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if (await self.__get_power()):
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await self.click_reset(wait)
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# =====
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async def click_power(self, wait: bool) -> None:
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await self.__click("power", self.__power_switch_line, self.__click_delay, wait)
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async def click_power_long(self, wait: bool) -> None:
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await self.__click("power_long", self.__power_switch_line, self.__long_click_delay, wait)
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async def click_reset(self, wait: bool) -> None:
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await self.__click("reset", self.__reset_switch_line, self.__click_delay, wait)
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# =====
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async def __get_power(self) -> bool:
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return (await self.get_state())["leds"]["power"]
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@aiotools.atomic
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async def __click(self, name: str, line: gpiod.Line, delay: float, wait: bool) -> None:
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if wait:
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async with self.__region:
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await self.__inner_click(name, line, delay)
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else:
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await aiotools.run_region_task(
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f"Can't perform ATX {name} click or operation was not completed",
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self.__region, self.__inner_click, name, line, delay,
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)
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@aiotools.atomic
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async def __inner_click(self, name: str, line: gpiod.Line, delay: float) -> None:
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await aiogp.pulse(line, delay, 1)
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get_logger(0).info("Clicked ATX button %r", name)
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