def removeSubscription(self, subscriber):
try:
del self._subscriptions[subscriber.full()]
except KeyError:
return defer.fail(error.NotSubscribed())
return defer.succeed(None)
def interaction(cursor):
cursor.execute(
"""DELETE FROM callbacks
WHERE service=%s and node=%s and uri=%s""",
(service.full(), nodeIdentifier, callback))
if cursor.rowcount != 1:
raise error.NotSubscribed()
last = not self._countCallbacks(cursor, service, nodeIdentifier)
return last
def removeCallback(self, service, nodeIdentifier, callback):
try:
callbacks = self.callbacks[service, nodeIdentifier]
callbacks.remove(callback)
except KeyError:
return defer.fail(error.NotSubscribed())
else:
if not callbacks:
del self.callbacks[service, nodeIdentifier]
return defer.succeed(not callbacks)
def _removeSubscription(self, cursor, subscriber):
self._checkNodeExists(cursor)
userhost = subscriber.userhost()
resource = subscriber.resource or ''
cursor.execute(
"""DELETE FROM subscriptions WHERE
node_id=(SELECT node_id FROM nodes
WHERE node=%s) AND
entity_id=(SELECT entity_id FROM entities
WHERE jid=%s) AND
resource=%s""",
(self.nodeIdentifier, userhost, resource))
if cursor.rowcount != 1:
raise error.NotSubscribed()
return None
def unsubscribe(self, nodeIdentifier, subscriber, requestor):
return defer.fail(error.NotSubscribed())