#!/usr/bin/env python # -*- coding: utf-8 -*- # # Copyright (C) 2013 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 . import os import datetime import sys import multiprocessing import locale import tornado.options from gns3server.server import Server from gns3server.version import __version__ import logging log = logging.getLogger(__name__) # command line options from tornado.options import define define("host", default="0.0.0.0", help="run on the given host/IP address", type=str) define("port", default=8000, help="run on the given port", type=int) define("ipc", default=False, help="use IPC for module communication", type=bool) define("version", default=False, help="show the version", type=bool) define("quiet", default=False, help="do not show output on stdout", type=bool) def locale_check(): """ Checks if this application runs with a correct locale (i.e. supports UTF-8 encoding) and attempt to fix if this is not the case. This is to prevent UnicodeEncodeError with unicode paths when using standard library I/O operation methods (e.g. os.stat() or os.path.*) which rely on the system or user locale. More information can be found there: http://seasonofcode.com/posts/unicode-i-o-and-locales-in-python.html or there: http://robjwells.com/post/61198832297/get-your-us-ascii-out-of-my-face """ # no need to check on Windows or when frozen if sys.platform.startswith("win") or hasattr(sys, "frozen"): return language = encoding = None try: language, encoding = locale.getlocale() except ValueError as e: log.error("could not determine the current locale: {}".format(e)) if not language and not encoding: try: log.warn("could not find a default locale, switching to C.UTF-8...") locale.setlocale(locale.LC_ALL, ("C", "UTF-8")) except locale.Error as e: log.error("could not switch to the C.UTF-8 locale: {}".format(e)) raise SystemExit elif encoding != "UTF-8": log.warn("your locale {}.{} encoding is not UTF-8, switching to the UTF-8 version...".format(language, encoding)) try: locale.setlocale(locale.LC_ALL, (language, "UTF-8")) except locale.Error as e: log.error("could not set an UTF-8 encoding for the {} locale: {}".format(language, e)) raise SystemExit else: log.info("current locale is {}.{}".format(language, encoding)) def main(): """ Entry point for GNS3 server """ if sys.platform.startswith("win"): # necessary on Windows to freeze the application multiprocessing.freeze_support() try: tornado.options.parse_command_line() except (tornado.options.Error, ValueError): tornado.options.print_help() raise SystemExit from tornado.options import options if options.version: print(__version__) raise SystemExit current_year = datetime.date.today().year user_log = logging.getLogger('user_facing') if not options.quiet: # Send user facing messages to stdout. stream_handler = logging.StreamHandler(sys.stdout) stream_handler.addFilter(logging.Filter(name='user_facing')) user_log.addHandler(stream_handler) user_log.propagate = False user_log.info("GNS3 server version {}".format(__version__)) user_log.info("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year)) # we only support Python 3 version >= 3.3 if sys.version_info < (3, 3): raise RuntimeError("Python 3.3 or higher is required") user_log.info("Running with Python {major}.{minor}.{micro} and has PID {pid}".format( major=sys.version_info[0], minor=sys.version_info[1], micro=sys.version_info[2], pid=os.getpid())) # check for the correct locale # (UNIX/Linux only) locale_check() try: os.getcwd() except FileNotFoundError: log.critical("the current working directory doesn't exist") return server = Server(options.host, options.port, options.ipc) server.load_modules() server.run() if __name__ == '__main__': main()