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Add some doc-strings to notifier

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This commit is contained in:
Mark Haines 2015-05-14 14:35:07 +01:00
parent 084c365c3a
commit 0ad1c67234
1 changed files with 32 additions and 18 deletions
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50
synapse/notifier.py
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@ -81,6 +81,13 @@ class _NotifierUserStream(object):
self.last_notified_ms = time_now_ms
def notify(self, stream_key, stream_id, time_now_ms):
"""Notify any listeners for this user of a new event from an
event source.
Args:
stream_key(str): The stream the event came from.
stream_id(str): The new id for the stream the event came from.
time_now_ms(int): The current time in milliseconds.
"""
self.current_token = self.current_token.copy_and_replace(
stream_key, stream_id
)
@ -167,17 +174,6 @@ class Notifier(object):
lambda: count(bool, self.appservice_to_user_streams.values()),
)
def notify_pending_new_room_events(self, max_room_stream_id):
pending = sorted(self.pending_new_room_events)
self.pending_new_room_events = []
for event, room_stream_id, extra_users in pending:
if room_stream_id > max_room_stream_id:
self.pending_new_room_events.append((
event, room_stream_id, extra_users
))
else:
self._on_new_room_event(event, room_stream_id, extra_users)
@log_function
@defer.inlineCallbacks
def on_new_room_event(self, event, room_stream_id, max_room_stream_id,
@ -188,19 +184,37 @@ class Notifier(object):
This triggers the notifier to wake up any listeners that are
listening to the room, and any listeners for the users in the
`extra_users` param.
The events can be peristed out of order. The notifier will wait
until all previous events have been persisted before notifying
the client streams.
"""
yield run_on_reactor()
self.notify_pending_new_room_events(max_room_stream_id)
self.pending_new_room_events.append((
event, room_stream_id, extra_users
))
self._notify_pending_new_room_events(max_room_stream_id)
if room_stream_id > max_room_stream_id:
self.pending_new_room_events.append((
event, room_stream_id, extra_users
))
else:
self._on_new_room_event(event, room_stream_id, extra_users)
def _notify_pending_new_room_events(self, max_room_stream_id):
"""Notify for the room events that were queued waiting for a previous
event to be persisted.
Args:
max_room_stream_id(int): The highest stream_id below which all
events have been persisted.
"""
pending = sorted(self.pending_new_room_events)
self.pending_new_room_events = []
for event, room_stream_id, extra_users in pending:
if room_stream_id > max_room_stream_id:
self.pending_new_room_events.append((
event, room_stream_id, extra_users
))
else:
self._on_new_room_event(event, room_stream_id, extra_users)
def _on_new_room_event(self, event, room_stream_id, extra_users=[]):
"""Notify any user streams that are interested in this room event"""
# poke any interested application service.
self.hs.get_handlers().appservice_handler.notify_interested_services(
event