Onionr/src/onionrcommands/daemonlaunch/__init__.py

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"""Onionr - Private P2P Communication.
launch the api servers and communicator
"""
import os
from time import sleep
import sys
import platform
import signal
from threading import Thread
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import filenuke
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import psutil
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import config
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import logger
from onionrplugins import onionrevents as events
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from utils import identifyhome
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import filepaths
import onionrvalues
from onionrutils import cleanup
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from onionrthreads import add_onionr_thread
from blockdb.blockcleaner import clean_block_database
from .. import version
from .killdaemon import kill_daemon # noqa
from .showlogo import show_logo
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import gossip
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"""
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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/>.
"""
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def _show_info_messages():
version.version(verbosity=5, function=logger.info)
logger.debug('Python version %s' % platform.python_version())
if onionrvalues.DEVELOPMENT_MODE:
logger.warn('Development mode enabled', timestamp=False, terminal=True)
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def daemon():
"""Start Onionr's primary threads for communicator, API server, node, and LAN."""
def _handle_sig_term(signum, frame):
sys.exit(0)
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with open(filepaths.pid_file, 'w') as f:
f.write(str(os.getpid()))
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signal.signal(signal.SIGTERM, _handle_sig_term)
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show_logo()
security_level = config.get('general.security_level', 1)
_show_info_messages()
logger.info(
f"Onionr daemon is running under pid {os.getpid()}", terminal=True)
events.event('init', threaded=False)
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events.event('afterinit', threaded=False)
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events.event('daemon_start')
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add_onionr_thread(
clean_block_database, 60, 'clean_block_database', initial_sleep=0)
Thread(
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target=gossip.start_gossip_threads,
daemon=True,
name='start_gossip_threads').start()
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try:
while True:
sleep(60)
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except KeyboardInterrupt:
pass
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cleanup.delete_run_files()
if security_level >= 2:
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filenuke.nuke.clean_tree(identifyhome.identify_home())
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def start(override: bool = False):
"""If no lock file, make one and start onionr.
Error exit if there is and its not overridden
"""
if os.path.exists(filepaths.lock_file) and not override:
if os.path.exists(filepaths.restarting_indicator):
try:
os.remove(filepaths.restarting_indicator)
except FileNotFoundError:
pass
else:
return
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with open(filepaths.lock_file, 'r') as lock_file:
try:
proc = psutil.Process(int(lock_file.read())).name()
except psutil.NoSuchProcess:
proc = ""
if not proc.startswith("python"):
logger.warn(
f"Detected stale run file, deleting {filepaths.lock_file}",
terminal=True)
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try:
os.remove(filepaths.lock_file)
except FileNotFoundError:
pass
start(override=True)
return
logger.fatal('Cannot start. Daemon is already running,'
+ ' or it did not exit cleanly.\n'
+ ' (if you are sure that there is not a daemon running,'
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+ f' delete {filepaths.lock_file} & try again).',
terminal=True)
else:
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if not onionrvalues.DEVELOPMENT_MODE:
lock_file = open(filepaths.lock_file, 'w')
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lock_file.write(str(os.getpid()))
lock_file.close()
# Start Onionr daemon
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daemon()
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try:
os.remove(filepaths.lock_file)
except FileNotFoundError:
pass
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start.onionr_help = "Start Onionr node " # type: ignore
start.onionr_help += "(public and clients API servers)" # type: ignore