mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-17 03:40:24 +08:00
137 lines
5.4 KiB
Python
137 lines
5.4 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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import asyncio
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import concurrent.futures
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import multiprocessing
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import multiprocessing.queues
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import queue
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import functools
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from typing import Dict
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from typing import AsyncGenerator
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from typing import Any
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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_int_f1
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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 .. import BaseHid
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from .keyboard import KeyboardProcess
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from .mouse import MouseProcess
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# =====
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class Plugin(BaseHid):
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def __init__( # pylint: disable=super-init-not-called
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self,
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keyboard: Dict[str, Any],
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mouse: Dict[str, Any],
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noop: bool,
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) -> None:
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self.__changes_queue: multiprocessing.queues.Queue = multiprocessing.Queue()
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self.__keyboard_proc = KeyboardProcess(noop=noop, changes_queue=self.__changes_queue, **keyboard)
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self.__mouse_proc = MouseProcess(noop=noop, changes_queue=self.__changes_queue, **mouse)
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@classmethod
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def get_plugin_options(cls) -> Dict:
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return {
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"keyboard": {
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"device": Option("", type=valid_abs_path, unpack_as="device_path"),
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"select_timeout": Option(1.0, type=valid_float_f01),
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"write_retries": Option(5, type=valid_int_f1),
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"write_retries_delay": Option(0.1, type=valid_float_f01),
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},
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"mouse": {
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"device": Option("", type=valid_abs_path, unpack_as="device_path"),
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"select_timeout": Option(1.0, type=valid_float_f01),
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"write_retries": Option(5, type=valid_int_f1),
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"write_retries_delay": Option(0.1, type=valid_float_f01),
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},
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"noop": Option(False, type=valid_bool),
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}
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def start(self) -> None:
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self.__keyboard_proc.start()
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self.__mouse_proc.start()
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def get_state(self) -> Dict:
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keyboard_state = self.__keyboard_proc.get_state()
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mouse_state = self.__mouse_proc.get_state()
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return {
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"online": (keyboard_state["online"] and mouse_state["online"]),
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"keyboard": {"features": {"leds": True}, **keyboard_state},
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"mouse": mouse_state,
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}
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async def poll_state(self) -> AsyncGenerator[Dict, None]:
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loop = asyncio.get_running_loop()
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wait_for_changes = functools.partial(self.__changes_queue.get, timeout=1)
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with concurrent.futures.ThreadPoolExecutor(max_workers=1) as executor:
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prev_state: Dict = {}
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while True:
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state = 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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while True:
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try:
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await loop.run_in_executor(executor, wait_for_changes)
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break
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except queue.Empty:
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pass
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async def reset(self) -> None:
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self.__keyboard_proc.send_reset_event()
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self.__mouse_proc.send_reset_event()
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async def cleanup(self) -> None:
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try:
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self.__keyboard_proc.cleanup()
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finally:
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self.__mouse_proc.cleanup()
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# =====
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async def send_key_event(self, key: str, state: bool) -> None:
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self.__keyboard_proc.send_key_event(key, state)
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async def send_mouse_button_event(self, button: str, state: bool) -> None:
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self.__mouse_proc.send_button_event(button, state)
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async def send_mouse_move_event(self, to_x: int, to_y: int) -> None:
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self.__mouse_proc.send_move_event(to_x, to_y)
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async def send_mouse_wheel_event(self, delta_x: int, delta_y: int) -> None:
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self.__mouse_proc.send_wheel_event(delta_x, delta_y)
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async def clear_events(self) -> None:
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self.__keyboard_proc.send_clear_event()
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self.__mouse_proc.send_clear_event()
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