mirror of
https://github.com/GNS3/gns3-server
synced 2024-11-28 11:18:11 +00:00
136 lines
4.7 KiB
Python
136 lines
4.7 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2013 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import datetime
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import sys
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import multiprocessing
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import locale
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import tornado.options
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from gns3server.server import Server
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from gns3server.version import __version__
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import logging
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log = logging.getLogger(__name__)
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# command line options
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from tornado.options import define
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define("host", default="0.0.0.0", help="run on the given host/IP address", type=str)
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define("port", default=8000, help="run on the given port", type=int)
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define("ipc", default=False, help="use IPC for module communication", type=bool)
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define("version", default=False, help="show the version", type=bool)
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define("quiet", default=False, help="do not show output on stdout", type=bool)
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def locale_check():
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"""
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Checks if this application runs with a correct locale (i.e. supports UTF-8 encoding) and attempt to fix
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if this is not the case.
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This is to prevent UnicodeEncodeError with unicode paths when using standard library I/O operation
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methods (e.g. os.stat() or os.path.*) which rely on the system or user locale.
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More information can be found there: http://seasonofcode.com/posts/unicode-i-o-and-locales-in-python.html
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or there: http://robjwells.com/post/61198832297/get-your-us-ascii-out-of-my-face
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"""
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# no need to check on Windows or when frozen
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if sys.platform.startswith("win") or hasattr(sys, "frozen"):
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return
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language = encoding = None
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try:
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language, encoding = locale.getlocale()
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except ValueError as e:
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log.error("could not determine the current locale: {}".format(e))
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if not language and not encoding:
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try:
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log.warn("could not find a default locale, switching to C.UTF-8...")
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locale.setlocale(locale.LC_ALL, ("C", "UTF-8"))
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except locale.Error as e:
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log.error("could not switch to the C.UTF-8 locale: {}".format(e))
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raise SystemExit
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elif encoding != "UTF-8":
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log.warn("your locale {}.{} encoding is not UTF-8, switching to the UTF-8 version...".format(language, encoding))
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try:
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locale.setlocale(locale.LC_ALL, (language, "UTF-8"))
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except locale.Error as e:
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log.error("could not set an UTF-8 encoding for the {} locale: {}".format(language, e))
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raise SystemExit
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else:
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log.info("current locale is {}.{}".format(language, encoding))
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def main():
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"""
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Entry point for GNS3 server
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"""
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if sys.platform.startswith("win"):
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# necessary on Windows to freeze the application
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multiprocessing.freeze_support()
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try:
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tornado.options.parse_command_line()
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except (tornado.options.Error, ValueError):
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tornado.options.print_help()
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raise SystemExit
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from tornado.options import options
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if options.version:
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print(__version__)
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raise SystemExit
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current_year = datetime.date.today().year
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user_log = logging.getLogger('user_facing')
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if not options.quiet:
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# Send user facing messages to stdout.
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stream_handler = logging.StreamHandler(sys.stdout)
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stream_handler.addFilter(logging.Filter(name='user_facing'))
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user_log.addHandler(stream_handler)
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user_log.propagate = False
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user_log.info("GNS3 server version {}".format(__version__))
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user_log.info("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year))
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# we only support Python 3 version >= 3.3
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if sys.version_info < (3, 3):
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raise RuntimeError("Python 3.3 or higher is required")
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user_log.info("Running with Python {major}.{minor}.{micro} and has PID {pid}".format(
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major=sys.version_info[0], minor=sys.version_info[1],
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micro=sys.version_info[2], pid=os.getpid()))
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# check for the correct locale
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# (UNIX/Linux only)
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locale_check()
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try:
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os.getcwd()
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except FileNotFoundError:
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log.critical("the current working directory doesn't exist")
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return
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server = Server(options.host, options.port, options.ipc)
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server.load_modules()
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server.run()
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if __name__ == '__main__':
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main()
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