Onionr/src/onionrcommands/restartonionr.py

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"""Onionr - Private P2P Communication.
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Command to restart Onionr
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"""
from threading import local
import time
import os
import subprocess # nosec
from psutil import Process
from etc import onionrvalues
from etc import cleanup
from onionrutils import localcommand
import logger
import filepaths
from . import daemonlaunch
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"""
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/>.
"""
DEVNULL = subprocess.DEVNULL
SCRIPT_NAME = os.path.dirname(os.path.realpath(
__file__)) + f'/../../{onionrvalues.SCRIPT_NAME}'
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def restart():
"""Tell the Onionr daemon to restart."""
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logger.info('Restarting Onionr', terminal=True)
daemon_terminal = localcommand.local_command("getpid")
terminal = None
if daemon_terminal:
terminal = Process(int(daemon_terminal)).terminal()
else:
terminal = Process().terminal()
# On platforms where we can, fork out to prevent locking
try:
pid = os.fork()
if pid != 0:
return
except (AttributeError, OSError):
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logger.warn('Could not fork on restart')
with open(filepaths.restarting_indicator, 'w') as f:
f.write('t')
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daemonlaunch.kill_daemon()
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while localcommand.local_command('ping', max_wait=8) == 'pong!':
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time.sleep(0.3)
time.sleep(15)
while (os.path.exists(filepaths.private_API_host_file) or
(os.path.exists(filepaths.daemon_mark_file))):
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time.sleep(1)
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cleanup.delete_run_files()
with open(terminal, 'ab') as term:
subprocess.Popen(
[SCRIPT_NAME, 'start'],
stdout=term,
stdin=term,
stderr=term)
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restart.onionr_help = 'Gracefully restart Onionr' # type: ignore