diff options
Diffstat (limited to 'bin')
| -rwxr-xr-x | bin/fg21sim-webui | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/bin/fg21sim-webui b/bin/fg21sim-webui index 8fc7673..b977bc6 100755 --- a/bin/fg21sim-webui +++ b/bin/fg21sim-webui @@ -17,35 +17,57 @@ which is built using the Tornado_ web server and WebSocket_ protocol. import os import sys -import argparse import logging +import ipaddress import tornado.ioloop +from tornado.options import define, options, parse_command_line from fg21sim.configs import configs from fg21sim.utils import setup_logging from fg21sim.webui import make_application +# Define options in the global namespace +# These options can also be used in other modules +define("port", default=21127, type=int, help="Server listen port") +define("debug", default=False, help="Enable the debug mode") +define("no_browser", default=False, + help="Do not open the Web UI in a browser after startup") +define("hosts_allowed", default="any", type=str, + help=("Hosts allowed to access the Web UI. " + "The network addresses should be given in CIDR format, e.g., " + "'192.168.0.0/24'. " + "Specify 'any' to allow any hosts. " + "Note that the localhost/127.0.0.1 is always allowed.")) + + def main(): - parser = argparse.ArgumentParser(description="Start the fg21sim Web UI") - parser.add_argument("-p", "--port", type=int, default=21127, - help="Tornado server listen port (default: 21127)") - parser.add_argument("-d", "--debug", action="store_true", - help="enable Tornado debug mode") - args = parser.parse_args() - - loglevel = "DEBUG" if args.debug else None + options.logging = None + parse_command_line() + + # Validate the value of ``options.hosts_allowed`` + if options.hosts_allowed.upper() != "ANY": + try: + ipaddress.ip_network(options.hosts_allowed) + except ValueError as e: + raise ValueError("Option 'hosts_allowed' invalid: " + str(e)) + + loglevel = "DEBUG" if options.debug else None setup_logging(dict_config=configs.logging, level=loglevel) tool = os.path.basename(sys.argv[0]) logger = logging.getLogger(tool) logger.info("COMMAND: {0}".format(" ".join(sys.argv))) - application = make_application(debug=args.debug) - application.listen(args.port) + application = make_application(debug=options.debug) + application.listen(options.port) logger.info("Tornado started on: {protocol}://{host}:{port}".format( - protocol="http", host="localhost", port=args.port)) + protocol="http", host="localhost", port=options.port)) + logger.info("Hosts allowed to access the Web UI: {0}".format( + options.hosts_allowed)) + print("DEBUG: before IOLoop") tornado.ioloop.IOLoop.current().start() + print("DEBUG: after IOLoop") if __name__ == "__main__": |