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# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2023 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 signal
import time
import psutil
from ...logging import get_logger
from ...yamlconf import Section
from .. import init
# =====
def _kill_streamer(config: Section) -> None:
logger = get_logger(0)
if config.streamer.process_name_prefix:
prefix = config.streamer.process_name_prefix + ":"
logger.info("Trying to find and kill the streamer %r ...", prefix + " <app>")
for proc in psutil.process_iter():
attrs = proc.as_dict(attrs=["name"])
if attrs.get("name", "").startswith(prefix):
try:
proc.send_signal(signal.SIGTERM)
except Exception:
logger.exception("Can't send SIGTERM to streamer with pid=%d", proc.pid)
time.sleep(3)
if proc.is_running():
try:
proc.send_signal(signal.SIGKILL)
except Exception:
logger.exception("Can't send SIGKILL to streamer with pid=%d", proc.pid)
# =====
def main(argv: (list[str] | None)=None) -> None:
config = init(
prog="kvmd-cleanup",
description="Kill KVMD and clear resources",
check_run=True,
argv=argv,
)[2].kvmd
logger = get_logger(0)
logger.info("Cleaning up ...")
try:
_kill_streamer(config)
except Exception:
pass
logger.info("Bye-bye")
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