mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-12 01:00:29 +08:00
212 lines
7.6 KiB
Python
212 lines
7.6 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main PiKVM daemon. #
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# #
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# Copyright (C) 2018-2024 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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import asyncio
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import copy
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from typing import AsyncGenerator
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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_f0
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from ...validators.basic import valid_float_f01
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from ...validators.os import valid_abs_path
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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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device_path: str,
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power_led_pin: int,
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power_led_inverted: bool,
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power_led_debounce: float,
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hdd_led_pin: int,
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hdd_led_inverted: bool,
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hdd_led_debounce: float,
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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.__device_path = device_path
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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.__line_req: (gpiod.LineRequest | None) = None
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self.__reader = aiogp.AioReader(
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path=self.__device_path,
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consumer="kvmd::atx",
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pins={
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power_led_pin: aiogp.AioReaderPinParams(power_led_inverted, power_led_debounce),
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hdd_led_pin: aiogp.AioReaderPinParams(hdd_led_inverted, hdd_led_debounce),
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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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"device": Option("/dev/gpiochip0", type=valid_abs_path, unpack_as="device_path"),
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"power_led_pin": Option(24, type=valid_gpio_pin),
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"power_led_inverted": Option(False, type=valid_bool),
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"power_led_debounce": Option(0.1, type=valid_float_f0),
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"hdd_led_pin": Option(22, type=valid_gpio_pin),
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"hdd_led_inverted": Option(False, type=valid_bool),
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"hdd_led_debounce": Option(0.1, type=valid_float_f0),
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"power_switch_pin": Option(23, type=valid_gpio_pin),
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"reset_switch_pin": Option(27, 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.__line_req is None
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self.__line_req = gpiod.request_lines(
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self.__device_path,
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consumer="kvmd::atx",
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config={
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(self.__power_switch_pin, self.__reset_switch_pin): gpiod.LineSettings(
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direction=gpiod.line.Direction.OUTPUT,
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output_value=gpiod.line.Value(False),
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),
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},
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)
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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 trigger_state(self) -> None:
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self.__notifier.notify(1)
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async def poll_state(self) -> AsyncGenerator[dict, None]:
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prev: dict = {}
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while True:
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if (await self.__notifier.wait()) > 0:
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prev = {}
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new = await self.get_state()
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if new != prev:
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prev = copy.deepcopy(new)
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yield new
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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.__line_req:
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try:
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self.__line_req.release()
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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_pin, 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_pin, 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_pin, 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_fg
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async def __click(self, name: str, pin: int, delay: float, wait: bool) -> None:
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if wait:
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with self.__region:
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await self.__inner_click(name, pin, 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, pin, delay,
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)
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@aiotools.atomic_fg
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async def __inner_click(self, name: str, pin: int, delay: float) -> None:
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assert self.__line_req
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try:
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self.__line_req.set_value(pin, gpiod.line.Value(True))
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await asyncio.sleep(delay)
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finally:
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self.__line_req.set_value(pin, gpiod.line.Value(False))
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await asyncio.sleep(1)
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get_logger(0).info("Clicked ATX button %r", name)
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