Matrix-Mirrors/anonymousland-synapse
1
0
Fork 0
mirror of https://git.anonymousland.org/anonymousland/synapse.git synced 2024-12-25 14:09:21 -05:00
Code Issues Packages Projects Releases Wiki Activity

Add paranoia checks to make sure that we evict stale NotificationListeners when we are about to process them

Browse Source
This commit is contained in:
Erik Johnston 2015-04-08 13:31:06 +01:00
parent 07d4041709
commit 65f5e4e3e4
1 changed files with 31 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
synapse/notifier.py
View File

@ -62,7 +62,8 @@ class _NotificationListener(object):
self.rooms = rooms
self.pending_notifications = []
def notified(self):
return self.deferred.called
def notify(self, notifier, events, start_token, end_token):
""" Inform whoever is listening about the new events. This will
@ -78,11 +79,15 @@ class _NotificationListener(object):
except defer.AlreadyCalledError:
pass
# Should the following be done be using intrusively linked lists?
# -- erikj
for room in self.rooms:
lst = notifier.room_to_listeners.get(room, set())
lst.discard(self)
notifier.user_to_listeners.get(self.user, set()).discard(self)
if self.appservice:
notifier.appservice_to_listeners.get(
self.appservice, set()
@ -161,10 +166,24 @@ class Notifier(object):
room_source = self.event_sources.sources["room"]
listeners = self.room_to_listeners.get(room_id, set()).copy()
room_listeners = self.room_to_listeners.get(room_id, set())
# Remove any 'stale' listeners.
for l in room_listeners.copy():
if l.notified():
room_listeners.discard(l)
listeners = room_listeners.copy()
for user in extra_users:
listeners |= self.user_to_listeners.get(user, set()).copy()
user_listeners = self.user_to_listeners.get(user, set())
# Remove any 'stale' listeners.
for l in user_listeners.copy():
if l.notified():
user_listeners.discard(l)
listeners |= user_listeners
for appservice in self.appservice_to_listeners:
# TODO (kegan): Redundant appservice listener checks?
@ -173,9 +192,16 @@ class Notifier(object):
# receive *invites* for users they are interested in. Does this
# make the room_to_listeners check somewhat obselete?
if appservice.is_interested(event):
listeners |= self.appservice_to_listeners.get(
app_listeners = self.appservice_to_listeners.get(
appservice, set()
).copy()
)
# Remove any 'stale' listeners.
for l in app_listeners.copy():
if l.notified():
app_listeners.discard(l)
listeners |= app_listeners
logger.debug("on_new_room_event listeners %s", listeners)