changeset 37ae661f80d1 in /home/hg/repos/gajim
details:http://hg.gajim.org/gajim?cmd=changeset;node=37ae661f80d1 description: [kparal] logind suspend support. Fixes #7319
diffstat:
src/gui_interface.py | 1 + src/logind_listener.py | 114 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 115 insertions(+), 0 deletions(-)
diffs (129 lines):
diff -r b16aff279c02 -r 37ae661f80d1 src/gui_interface.py --- a/src/gui_interface.py Sun Mar 10 22:18:53 2013 +0400 +++ b/src/gui_interface.py Mon Mar 11 12:55:11 2013 +0100 @@ -2860,6 +2860,7 @@
if dbus_support.supported: import upower_listener + import logind_listener
# Handle gnome screensaver if dbus_support.supported: diff -r b16aff279c02 -r 37ae661f80d1 src/logind_listener.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/logind_listener.py Mon Mar 11 12:55:11 2013 +0100 @@ -0,0 +1,114 @@ +## src/logind_listener.py +## +## Copyright (C) 2013 Kamil Paral <kamil.paral AT gmail.com> +## +## This file is part of Gajim. +## +## Gajim 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; version 3 only. +## +## Gajim 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 Gajim. If not, see http://www.gnu.org/licenses/. +## + +''' +Watch for system suspend using systemd-logind. +Documentation: http://www.freedesktop.org/wiki/Software/systemd/inhibit +''' + +import os +import logging + +from common import dbus_support +from common import gajim + +log = logging.getLogger('gajim.logind_listener') +supported = False +fd = -1 # file descriptor of the inhibitor; negative number means we don't + # hold any (yet) + + +def on_suspend(active): + '''Signal handler for suspend event''' + + global fd + + if not active: + # we just resumed, we should take another inhibitor + get_inhibitor() + return + + # we're going for suspend, let's disconnect + log.debug('System suspend detected, disconnecting from network...') + for name, conn in gajim.connections.items(): + if gajim.account_is_connected(name): + conn.old_show = gajim.SHOW_LIST[conn.connected] + st = conn.status + conn.change_status('offline', _('Machine going to sleep')) + conn.status = st + conn.time_to_reconnect = 5 + + # close the file descriptor and let the computer suspend + if fd >= 0: + os.close(fd) + fd = -1; + else: + # something is wrong, the system is suspending but we don't have + # a lock file + log.warning("System suspend detected, but we don't seem to be holding " + "a file descriptor for sleep inihibitor") + +def get_inhibitor(): + '''Ask for a suspend delay inhibitor''' + + from common.dbus_support import system_bus, dbus + bus = system_bus.bus() + global fd + + if fd >= 0: + # someting is wrong, we haven't closed the previous file descriptor + # and we ask for yet another one + log.warning('We are about to ask for a sleep inhibitor, but we seem ' + 'to be holding one already') + + login_object = bus.get_object('org.freedesktop.login1', + '/org/freedesktop/login1') + login_manager = dbus.Interface(login_object, + 'org.freedesktop.login1.Manager') + + ret = login_manager.Inhibit('sleep', 'Gajim', 'Disconnect from the network', + 'delay') + fd = ret.take() + +def set_listener(): + '''Set up a listener for suspend signals + + @return bool whether it succeeded + ''' + from common.dbus_support import system_bus + bus = system_bus.bus() + + if not 'org.freedesktop.login1' in bus.list_names(): + # logind is not present + log.debug("logind is not on D-Bus, not activating logind listener") + return False + + bus.add_signal_receiver(on_suspend, signal_name='PrepareForSleep', + bus_name='org.freedesktop.login1', + path='/org/freedesktop/login1', + dbus_interface='org.freedesktop.login1.Manager') + return True + +if dbus_support.supported: + try: + if set_listener(): + get_inhibitor() + supported = True + except Exception as ex: + log.error("A problem occured while activating logind listener")