def __init__ (self):
self._cursor = cursor = get_default_cursor()
# Find the last event id we used, and start generating
# new ids from that offset
max_id = cursor.execute("SELECT MAX(id) FROM event").fetchone()[0]
min_id = cursor.execute("SELECT MIN(id) FROM event").fetchone()[0]
self._last_event_id = max_id or 0
if min_id == 0:
# old database version raise an error for now,
# maybe just change the id to self._last_event_id + 1
# looking closer at the old code, it seems like
# no event ever got an id of 0, but we should leave this check
# to be 100% sure.
raise RuntimeError("old database version")
self._interpretation = TableLookup(cursor, "interpretation")
self._manifestation = TableLookup(cursor, "manifestation")
self._mimetype = TableLookup(cursor, "mimetype")
self._actor = TableLookup(cursor, "actor")
self._event_cache = LRUCache(constants.CACHE_SIZE)
# Load extensions
default_extensions = get_extensions()
self.__extensions = ExtensionsCollection(self,
defaults=default_extensions)
def __init__ (self, engine):
Extension.__init__(self, engine)
dbus.service.Object.__init__(self, dbus.SessionBus(),
STORAGE_MONITOR_DBUS_OBJECT_PATH)
self._db = get_default_cursor()
mon = gio.VolumeMonitor()
# Update DB with all current states
for vol in mon.get_volumes():
self.add_storage_medium(self._get_volume_id(vol), vol.get_icon().to_string(), vol.get_name())
# React to volumes comming and going
mon.connect("volume-added", self._on_volume_added)
mon.connect("volume-removed", self._on_volume_removed)
# Write connectivity to the DB. Dynamically decide whether to use
# Connman or NetworkManager
if dbus.SystemBus().name_has_owner ("net.connman"):
self._network = ConnmanNetworkMonitor(lambda: self.add_storage_medium("net", "stock_internet", "Internet"),
lambda: self.remove_storage_medium("net"))
elif dbus.SystemBus().name_has_owner ("org.freedesktop.NetworkManager"):
self._network = NMNetworkMonitor(lambda: self.add_storage_medium("net", "stock_internet", "Internet"),
lambda: self.remove_storage_medium("net"))
else:
log.info("No network monitoring system found (Connman or NetworkManager)."
"Network monitoring disabled")
