2025-01-17 07:57:42 +07:00

120 lines
4.3 KiB
Python

#!/usr/bin/env python
#
# Copyright (C) 2015 GNS3 Technologies Inc.
#
# 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 <http://www.gnu.org/licenses/>.
"""
Entry point of the server. It's support daemonize the process
"""
# WARNING
# Due to buggy user machines we choose to put this as the first loading
# otherwise the egg cache is initialized in his standard location and
# if is not writetable the application crash. It's the user fault
# because one day the user as used sudo to run an egg and break his
# filesystem permissions, but it's a common mistake.
import gns3server.utils.get_resource
import os
import sys
import asyncio
import argparse
def daemonize():
"""
Do the UNIX double-fork magic for properly detaching process
"""
try:
pid = os.fork()
if pid > 0:
# Exit first parent
sys.exit(0)
except OSError as e:
print("First fork failed: %d (%s)\n" % (e.errno, e.strerror), file=sys.stderr)
sys.exit(1)
# Decouple from parent environment
os.setsid()
os.umask(0o007)
# Do second fork
try:
pid = os.fork()
if pid > 0:
# Exit from second parent
sys.exit(0)
except OSError as e:
print("Second fork failed: %d (%s)\n" % (e.errno, e.strerror), file=sys.stderr)
sys.exit(1)
def parse_arguments(argv):
"""
Parse command line arguments
:param argv: Array of command line arguments
"""
from gns3server.version import __version__
parser = argparse.ArgumentParser(description=f"GNS3 server version {__version__}")
parser.add_argument("-v", "--version", help="show the version", action="version", version=__version__)
parser.add_argument("--host", help="run on the given host/IP address")
parser.add_argument("--port", help="run on the given port", type=int)
parser.add_argument("--ssl", action="store_true", help="run in SSL mode")
parser.add_argument("--config", help="Configuration file")
parser.add_argument("--certfile", help="SSL cert file")
parser.add_argument("--certkey", help="SSL key file")
parser.add_argument("-L", "--local", action="store_true", help="local mode (allows some insecure operations)")
parser.add_argument(
"-A", "--allow", action="store_true", help="allow remote connections to local console ports"
)
parser.add_argument("-q", "--quiet", default=False, action="store_true", help="do not show logs on stdout")
parser.add_argument("-d", "--debug", default=False, action="store_true", help="show debug logs")
parser.add_argument("--logfile", "--log", help="send output to logfile instead of console")
parser.add_argument("--logmaxsize", default=10000000, help="maximum logfile size in bytes (default is 10MB)")
parser.add_argument(
"--logbackupcount", default=10, help="number of historical log files to keep (default is 10)"
)
parser.add_argument(
"--logcompression", default=False, action="store_true", help="compress inactive (historical) logs"
)
parser.add_argument("--daemon", action="store_true", help="start as a daemon")
parser.add_argument("--pid", help="store process pid")
parser.add_argument("--profile", help="Settings profile (blank will use default settings files)")
args = parser.parse_args(argv)
return parser, args
def main():
"""
Entry point for GNS3 server
"""
if sys.platform.startswith("win"):
raise SystemExit("Windows is not a supported platform to run the GNS3 server")
if "--daemon" in sys.argv:
daemonize()
try:
parser, args = parse_arguments(sys.argv[1:])
from gns3server.server import Server
asyncio.run(Server().run(parser, args))
except KeyboardInterrupt:
pass
if __name__ == "__main__":
main()