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# ========================================================================== #
# #
# KVMD - The main Pi-KVM daemon. #
# #
# Copyright (C) 2018 Maxim Devaev <[email protected]> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
# ========================================================================== #
import asyncio
from typing import Dict
from typing import AsyncGenerator
from typing import Any
from ....yamlconf import Option
from ....validators.basic import valid_bool
from ....validators.basic import valid_int_f1
from ....validators.basic import valid_float_f01
from ....validators.os import valid_abs_path
from .. import BaseHid
from .keyboard import KeyboardProcess
from .mouse import MouseProcess
# =====
class Plugin(BaseHid):
def __init__( # pylint: disable=super-init-not-called
self,
keyboard: Dict[str, Any],
mouse: Dict[str, Any],
noop: bool,
state_poll: float,
) -> None:
self.__keyboard_proc = KeyboardProcess(noop=noop, **keyboard)
self.__mouse_proc = MouseProcess(noop=noop, **mouse)
self.__state_poll = state_poll
self.__lock = asyncio.Lock()
@classmethod
def get_plugin_options(cls) -> Dict:
return {
"keyboard": {
"device": Option("", type=valid_abs_path, unpack_as="device_path"),
"select_timeout": Option(1.0, type=valid_float_f01),
"write_retries": Option(5, type=valid_int_f1),
"write_retries_delay": Option(0.1, type=valid_float_f01),
},
"mouse": {
"device": Option("", type=valid_abs_path, unpack_as="device_path"),
"select_timeout": Option(1.0, type=valid_float_f01),
"write_retries": Option(5, type=valid_int_f1),
"write_retries_delay": Option(0.1, type=valid_float_f01),
},
"noop": Option(False, type=valid_bool),
"state_poll": Option(0.1, type=valid_float_f01),
}
def start(self) -> None:
self.__keyboard_proc.start()
self.__mouse_proc.start()
def get_state(self) -> Dict:
keyboard_online = self.__keyboard_proc.is_online()
mouse_online = self.__mouse_proc.is_online()
return {
"online": (keyboard_online and mouse_online),
"keyboard": {"online": keyboard_online},
"mouse": {"online": mouse_online},
}
async def poll_state(self) -> AsyncGenerator[Dict, None]:
prev_state: Dict = {}
while self.__keyboard_proc.is_alive() and self.__mouse_proc.is_alive():
state = self.get_state()
if state != prev_state:
yield self.get_state()
prev_state = state
await asyncio.sleep(self.__state_poll)
async def reset(self) -> None:
self.__keyboard_proc.send_reset_event()
self.__mouse_proc.send_reset_event()
async def cleanup(self) -> None:
try:
self.__keyboard_proc.cleanup()
finally:
self.__mouse_proc.cleanup()
# =====
async def send_key_event(self, key: str, state: bool) -> None:
self.__keyboard_proc.send_key_event(key, state)
async def send_mouse_button_event(self, button: str, state: bool) -> None:
self.__mouse_proc.send_button_event(button, state)
async def send_mouse_move_event(self, to_x: int, to_y: int) -> None:
self.__mouse_proc.send_move_event(to_x, to_y)
async def send_mouse_wheel_event(self, delta_x: int, delta_y: int) -> None:
self.__mouse_proc.send_wheel_event(delta_x, delta_y)
async def clear_events(self) -> None:
self.__keyboard_proc.send_clear_event()
self.__mouse_proc.send_clear_event()
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