mirror of
https://github.com/mofeng-git/One-KVM.git
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114 lines
4.5 KiB
Python
114 lines
4.5 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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from typing import AsyncGenerator
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from ....yamlconf import Section
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from .base import BaseInfoSubmanager
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from .auth import AuthInfoSubmanager
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from .system import SystemInfoSubmanager
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from .meta import MetaInfoSubmanager
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from .extras import ExtrasInfoSubmanager
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from .health import HealthInfoSubmanager
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from .fan import FanInfoSubmanager
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# =====
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class InfoManager:
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def __init__(self, config: Section) -> None:
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self.__subs: dict[str, BaseInfoSubmanager] = {
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"system": SystemInfoSubmanager(config.kvmd.info.hw.platform, config.kvmd.streamer.cmd),
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"auth": AuthInfoSubmanager(config.kvmd.auth.enabled),
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"meta": MetaInfoSubmanager(config.kvmd.info.meta),
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"extras": ExtrasInfoSubmanager(config),
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"health": HealthInfoSubmanager(**config.kvmd.info.hw._unpack(ignore="platform")),
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"fan": FanInfoSubmanager(**config.kvmd.info.fan._unpack()),
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}
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self.__queue: "asyncio.Queue[tuple[str, (dict | None)]]" = asyncio.Queue()
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def get_subs(self) -> set[str]:
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return set(self.__subs)
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async def get_state(self, fields: (list[str] | None)=None) -> dict:
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fields_set = set(fields or list(self.__subs))
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hw = ("hw" in fields_set) # Old for compatible
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system = ("system" in fields_set)
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if hw:
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fields_set.remove("hw")
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fields_set.add("health")
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fields_set.add("system")
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state = dict(zip(fields_set, await asyncio.gather(*[
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self.__subs[field].get_state()
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for field in fields_set
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])))
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if hw:
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state["hw"] = {
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"health": state.pop("health"),
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"platform": (state["system"] or {}).pop("platform"), # {} makes mypy happy
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}
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if not system:
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state.pop("system")
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return state
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async def trigger_state(self) -> None:
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await asyncio.gather(*[
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sub.trigger_state()
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for sub in self.__subs.values()
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])
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async def poll_state(self) -> AsyncGenerator[dict, None]:
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# ==== Granularity table ====
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# - system -- Partial
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# - auth -- Partial
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# - meta -- Partial, nullable
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# - extras -- Partial, nullable
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# - health -- Partial
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# - fan -- Partial
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# ===========================
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while True:
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(field, value) = await self.__queue.get()
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yield {field: value}
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async def systask(self) -> None:
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tasks = [
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asyncio.create_task(self.__poller(field))
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for field in self.__subs
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]
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try:
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await asyncio.gather(*tasks)
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except Exception:
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for task in tasks:
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task.cancel()
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await asyncio.gather(*tasks, return_exceptions=True)
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raise
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async def __poller(self, field: str) -> None:
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async for state in self.__subs[field].poll_state():
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self.__queue.put_nowait((field, state))
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