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# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2024 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
import functools
import pathlib
from typing import Any
from typing import AsyncGenerator
from typing import Iterable
from pkgutil import iter_modules
from ...yamlconf import Option
from ...yamlconf import make_config
from . import get_hid_class
from . import BaseHid
def all_hid_plugins() -> list[str]:
current_directory = pathlib.Path(__file__).parent.resolve()
return [name for _, name, _ in iter_modules([str(current_directory)]) if name != "multi"]
def valid_hid_plugin(key: str, value: list) -> list:
all_plugins = all_hid_plugins()
if not isinstance(value, dict) or "type" not in value or value["type"] not in all_plugins:
raise ValueError("Invalid hid plugin")
device_class = get_hid_class(value["type"])
opts = {
**device_class.get_plugin_options(),
"type": Option("", type=str)
}
return make_config(value, opts, ("kvmd", "hid", key))
async def merge_generators(gens: Iterable[AsyncGenerator[Any, None]]) -> AsyncGenerator[Any, None]:
pending_tasks = {asyncio.ensure_future(anext(g)): g for g in gens}
while len(pending_tasks) > 0:
done, _ = await asyncio.wait(pending_tasks.keys(), return_when="FIRST_COMPLETED")
for completed_task in done:
try:
result = completed_task.result()
yield result
dg = pending_tasks[completed_task]
pending_tasks[asyncio.ensure_future(anext(dg))] = dg
except StopAsyncIteration as sai:
print("Exception in getting result", sai)
finally:
del pending_tasks[completed_task]
class Plugin(BaseHid):
def __init__(
self,
keyboard_device: dict[str, Any],
mouse_device: dict[str, Any]
):
super().__init__(False, False, 0)
keyboard_type = keyboard_device["type"]
mouse_type = mouse_device["type"]
del keyboard_device["type"]
del mouse_device["type"]
self.__keyboard = get_hid_class(keyboard_type)(**keyboard_device)
self.__mouse = get_hid_class(mouse_type)(**mouse_device)
@classmethod
def get_plugin_options(cls) -> dict:
return {
"keyboard_device": Option({
"type": "otg"
}, type=functools.partial(valid_hid_plugin, "keyboard_device")),
"mouse_device": Option({
"type": "otg"
}, type=functools.partial(valid_hid_plugin, "mouse_device")),
}
def sysprep(self) -> None:
self.__keyboard.sysprep()
self.__mouse.sysprep()
async def get_state(self) -> dict:
keyboard_state, mouse_state = await asyncio.gather(self.__keyboard.get_state(), self.__mouse.get_state())
return {
"online": keyboard_state["online"] and mouse_state["online"],
"busy": keyboard_state["busy"] or mouse_state["busy"],
"connected": keyboard_state["connected"] or mouse_state["connected"],
"keyboard": keyboard_state["keyboard"],
"mouse": mouse_state["mouse"],
"jiggler": mouse_state["jiggler"]
}
async def poll_state(self) -> AsyncGenerator[dict, None]:
async for state in merge_generators([self.__keyboard.poll_state(), self.__mouse.poll_state()]):
yield state
async def reset(self) -> None:
async with asyncio.TaskGroup() as tg:
tg.create_task(self.__keyboard.reset())
tg.create_task(self.__mouse.reset())
async def cleanup(self) -> None:
async with asyncio.TaskGroup() as tg:
tg.create_task(self.__keyboard.cleanup())
tg.create_task(self.__mouse.cleanup())
def send_key_events(self, keys: Iterable[tuple[str, bool]]) -> None:
self.__keyboard.send_key_events(keys)
def send_mouse_button_event(self, button: str, state: bool) -> None:
self.__mouse.send_mouse_button_event(button, state)
def send_mouse_move_event(self, to_x: int, to_y: int) -> None:
self.__mouse.send_mouse_move_event(to_x, to_y)
def send_mouse_relative_event(self, delta_x: int, delta_y: int) -> None:
self.__mouse.send_mouse_relative_event(delta_x, delta_y)
def send_mouse_wheel_event(self, delta_x: int, delta_y: int) -> None:
self.__mouse.send_mouse_wheel_event(delta_x, delta_y)
def set_params(
self,
keyboard_output: (str | None)=None,
mouse_output: (str | None)=None,
jiggler: (bool | None)=None,
) -> None:
self.__keyboard.set_params(keyboard_output, mouse_output, jiggler)
self.__mouse.set_params(keyboard_output, mouse_output, jiggler)
def set_connected(self, connected: bool) -> None:
self.__keyboard.set_connected(connected)
self.__mouse.set_connected(connected)
def clear_events(self) -> None:
self.__keyboard.clear_events()
self.__mouse.clear_events()
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