Onionr/src/onionrcommands/daemonlaunch/killdaemon.py

"""Onionr - Private P2P Communication.

Gracefully stop Onionr daemon
"""
import sqlite3
import os

from gevent import spawn

from onionrplugins import events
from onionrutils import localcommand
import logger
import config
"""
    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/>.
"""


def kill_daemon():
    """Shutdown the Onionr daemon (communicator)."""
    config.reload()
    logger.warn('Stopping the running daemon, if one exists...', timestamp=False,
                terminal=True)

    # On platforms where we can, fork out to prevent locking
    try:
        pid = os.fork()
        if pid != 0:
            return
    except (AttributeError, OSError):
        pass

    events.event('daemon_stop')
    try:
        spawn(
            localcommand.local_command,
            '/shutdown'
            ).get(timeout=5)
    except sqlite3.OperationalError:
        pass


kill_daemon.onionr_help = "Gracefully stops the "  # type: ignore
kill_daemon.onionr_help += "Onionr API servers"  # type: ignore