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# -*- coding: utf-8 -*- # slip.dbus.constants -- constant values # # Copyright © 2011 Red Hat, Inc. # Authors: Nils Philippsen <nils@redhat.com> # # 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 2 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, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA """This module contains some constant values.""" # The maximum value of a 32bit signed integer is the magic value to indicate an # infinite timeout for dbus. Unlike the C interface which deals with # milliseconds as integers, the python interface uses seconds as floats for the # timeout. Therefore we need to use the Python float (C double) value that # gives 0x7FFFFFFF if multiplied by 1000.0 and cast into an integer. # # This calculation should be precise enough to get a value of 0x7FFFFFFF on the # C side. If not, it will still amount to a very long time (not quite 25 days) # which should be enough for all intents and purposes. method_call_no_timeout = 0x7FFFFFFF / 1000.0