def usr1_handler(signum, frame):
assert signum == signal.SIGUSR1
logging.info("Received USR1, reloading config.")
try:
IOLoop.current().add_callback_from_signal(config.load_game_data)
except AttributeError:
# This is for compatibility with ancient versions < Tornado 3.
try:
config.load_game_data()
except Exception:
logging.exception("Failed to update games after USR1 signal.")
except Exception:
logging.exception("Failed to update games after USR1 signal.")
def run():
args = parse_args_main()
if config.get('chroot'):
os.chroot(config.get('chroot'))
if config.source_file is None:
# we could try to automatically figure this out from server_path, if
# it is set?
sys.exit("No configuration provided!")
# do this here so it can happen before logging init
if args.logfile:
if args.logfile == "-":
config.get('logging_config').pop('filename', None)
args.logfile = "<stdout>" # make the log message easier to read
else:
config.get('logging_config')['filename'] = args.logfile
init_logging(config.get('logging_config'))
logging.info("Loaded server configuration from: %s", config.source_file)
if config.get('live_debug'):
logging.info("Starting in live-debug mode.")
config.set('watch_socket_dirs', False)
if args.logfile:
logging.info("Using command-line supplied logfile: '%s'", args.logfile)
export_args_to_config(args)
try:
config.load_game_data()
config.validate()
except:
err_exit("Errors in config. Exiting.", exc_info=True)
if config.get('daemon', False):
daemonize()
signal.signal(signal.SIGTERM, signal_handler)
signal.signal(signal.SIGHUP, signal_handler)
signal.signal(signal.SIGINT, signal_handler)
if config.get('umask') is not None:
os.umask(config.get('umask'))
write_pidfile()
global servers
servers = bind_server()
ensure_tornado_current()
shed_privileges()
# is this ever set to False by anyone in practice?
dgl_mode = config.get('dgl_mode')
if dgl_mode:
userdb.ensure_user_db_exists()
userdb.upgrade_user_db()
userdb.ensure_settings_db_exists()
signal.signal(signal.SIGUSR1, usr1_handler)
try:
IOLoop.current().set_blocking_log_threshold(0.5) # type: ignore
logging.info("Blocking call timeout: 500ms.")
except:
# this is the new normal; still not sure of a way to deal with this.
logging.info("Webserver running without a blocking call timeout.")
if dgl_mode:
ws_handler.status_file_timeout()
auth.purge_login_tokens_timeout()
ws_handler.start_reading_milestones()
if config.get('watch_socket_dirs'):
process_handler.watch_socket_dirs()
# start the lobby update timeout loop
ws_handler.do_periodic_lobby_updates()
logging.info("DCSS Webtiles server started with Tornado %s! (PID: %s)" %
(tornado.version, os.getpid()))
IOLoop.current().start()
logging.info("Bye!")
remove_pidfile()