1 files changed, 11 insertions, 0 deletions
diff --git a/synapse/notifier.py b/synapse/notifier.py
index 57d6a8cfe3..48566187ab 100644
--- a/synapse/notifier.py
+++ b/synapse/notifier.py
@@ -163,6 +163,8 @@ class Notifier(object):
self.store = hs.get_datastore()
self.pending_new_room_events = []
+ self.replication_callbacks = []
+
self.clock = hs.get_clock()
self.appservice_handler = hs.get_application_service_handler()
@@ -202,6 +204,12 @@ class Notifier(object):
lambda: len(self.user_to_user_stream),
)
+ def add_replication_callback(self, cb):
+ """Add a callback that will be called when some new data is available.
+ Callback is not given any arguments.
+ """
+ self.replication_callbacks.append(cb)
+
def on_new_room_event(self, event, room_stream_id, max_room_stream_id,
extra_users=[]):
""" Used by handlers to inform the notifier something has happened
@@ -507,6 +515,9 @@ class Notifier(object):
self.replication_deferred = ObservableDeferred(defer.Deferred())
deferred.callback(None)
+ for cb in self.replication_callbacks:
+ preserve_fn(cb)()
+
@defer.inlineCallbacks
def wait_for_replication(self, callback, timeout):
"""Wait for an event to happen.
|