/usr/lib/python3/dist-packages/oneconf/dbusconnect.py is in python3-oneconf 0.3.7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Authors:
# Didier Roche <didrocks@ubuntu.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; version 3.
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import dbus
import dbus.service
from gi.repository import GLib
import logging
import sys
from gettext import gettext as _
LOG = logging.getLogger(__name__)
from oneconf.enums import ONECONF_SERVICE_NAME
HOSTS_OBJECT_NAME = "/com/ubuntu/oneconf/HostsHandler"
PACKAGE_SET_INTERFACE = "com.ubuntu.OneConf.HostsHandler.PackageSetHandler"
HOSTS_INTERFACE = "com.ubuntu.OneConf.HostsHandler.Hosts"
ONECONF_DBUS_TIMEOUT = 300
def none_to_null(var):
'''return var in dbus compatible format'''
if not var:
var = ''
return var
class DbusHostsService(dbus.service.Object):
"""
Dbus service, daemon side
"""
def __init__(self, loop):
'''registration over dbus'''
bus_name = dbus.service.BusName(ONECONF_SERVICE_NAME,
bus=dbus.SessionBus())
dbus.service.Object.__init__(self, bus_name, HOSTS_OBJECT_NAME)
# Only import oneconf module now for only getting it on server side
from oneconf.hosts import Hosts
self.hosts = Hosts()
self._packageSetHandler = None
self.activity = False
self.synchandler = None
self.loop = loop
# TODO: can be a decorator, handling null case and change the API so that if it returns
# the None value -> no result
def get_packageSetHandler(self):
'''Ensure we load the package set handler at the right time'''
if not self._packageSetHandler:
from oneconf.packagesethandler import PackageSetHandler, PackageSetInitError
try:
self._packageSetHandler = PackageSetHandler(self.hosts)
except PackageSetInitError as e:
LOG.error (e)
self._packageSetHandler = None
return self._packageSetHandler
@dbus.service.method(HOSTS_INTERFACE)
def get_all_hosts(self):
self.activity = True
return self.hosts.get_all_hosts()
@dbus.service.method(HOSTS_INTERFACE)
def set_share_inventory(self, share_inventory, hostid, hostname):
self.activity = True
if share_inventory: # map to boolean to avoid difference in dbus call and direct
share_inventory = True
else:
share_inventory = False
return self.hosts.set_share_inventory(share_inventory, hostid, hostname)
@dbus.service.method(PACKAGE_SET_INTERFACE)
def get_packages(self, hostid, hostname, only_manual):
self.activity = True
if not self.get_packageSetHandler():
return ''
return none_to_null(self.get_packageSetHandler().get_packages(hostid, hostname, only_manual))
@dbus.service.method(PACKAGE_SET_INTERFACE)
def diff(self, hostid, hostname):
self.activity = True
if not self.get_packageSetHandler():
return ('', '')
return self.get_packageSetHandler().diff(hostid, hostname)
@dbus.service.method(PACKAGE_SET_INTERFACE)
def update(self):
self.activity = True
if self.get_packageSetHandler():
self.get_packageSetHandler().update()
@dbus.service.method(PACKAGE_SET_INTERFACE)
def async_update(self):
self.activity = True
if self.get_packageSetHandler():
GLib.timeout_add_seconds(1, self.get_packageSetHandler().update)
@dbus.service.signal(HOSTS_INTERFACE)
def hostlist_changed(self):
LOG.debug("Send host list changed dbus signal")
@dbus.service.signal(PACKAGE_SET_INTERFACE)
def packagelist_changed(self, hostid):
LOG.debug("Send package list changed dbus signal for hostid: %s" % hostid)
@dbus.service.signal(HOSTS_INTERFACE)
def logo_changed(self, hostid):
LOG.debug("Send logo changed dbus signal for hostid: %s" % hostid)
@dbus.service.signal(HOSTS_INTERFACE)
def latestsync_changed(self, timestamp):
LOG.debug("Send last sync timestamp: %s" % timestamp)
@dbus.service.method(HOSTS_INTERFACE)
def get_last_sync_date(self):
self.activity = True
return self.hosts.get_last_sync_date()
@dbus.service.method(HOSTS_INTERFACE)
def stop_service(self):
LOG.debug("Request for stopping OneConf service")
self.loop.quit()
return True
class DbusConnect(object):
"""
Dbus request sender, daemon connection
"""
def __init__(self):
'''connect to the bus and get packagesethandler object'''
self.bus = dbus.SessionBus()
self.hosts_dbus_object = self.bus.get_object(ONECONF_SERVICE_NAME,
HOSTS_OBJECT_NAME)
def _get_package_handler_dbusobject(self):
'''get package handler dbus object'''
return dbus.Interface(self.hosts_dbus_object, PACKAGE_SET_INTERFACE)
def _get_hosts_dbusobject(self):
'''get hosts dbus object'''
return dbus.Interface(self.hosts_dbus_object, HOSTS_INTERFACE)
def get_all_hosts(self):
'''get a dictionnary of all available hosts'''
return self._get_hosts_dbusobject().get_all_hosts()
def set_share_inventory(self, share_inventory, hostid='', hostname=''):
'''update if we share the chosen host inventory on the server'''
self._get_hosts_dbusobject().set_share_inventory(share_inventory,
hostid, hostname,
timeout=ONECONF_DBUS_TIMEOUT)
def get_packages(self, hostid, hostname, only_manual):
'''trigger getpackages handling'''
try:
return self._get_package_handler_dbusobject().get_packages(hostid,
hostname, only_manual)
except dbus.exceptions.DBusException as e:
print(e)
sys.exit(1)
def diff(self, hostid, hostname):
'''trigger diff handling'''
try:
return self._get_package_handler_dbusobject().diff(hostid,
hostname,
timeout=ONECONF_DBUS_TIMEOUT)
except dbus.exceptions.DBusException as e:
print(e)
sys.exit(1)
def update(self):
'''trigger update handling'''
self._get_package_handler_dbusobject().update(timeout=ONECONF_DBUS_TIMEOUT)
def async_update(self):
'''trigger update handling'''
self._get_package_handler_dbusobject().async_update()
def get_last_sync_date(self):
'''just send a kindly ping to retrieve the last sync date'''
return self._get_hosts_dbusobject().get_last_sync_date(timeout=ONECONF_DBUS_TIMEOUT)
def stop_service(self):
'''kindly ask the oneconf service to stop'''
try:
self._get_hosts_dbusobject().stop_service()
except dbus.exceptions.DBusException as e:
print(_("Wasn't able to request stopping the service: %s" % e))
sys.exit(1)
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