From f749607c911a82e64685f1cfaeee892c49a1b606 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Mon, 22 Oct 2018 16:12:11 +0100 Subject: [PATCH] Make on_started synchronous too This brings it into line with on_new_notifications and on_new_receipts. It requires a little bit of hoop-jumping in EmailPusher to load the throttle params before the first loop. --- synapse/push/emailpusher.py | 15 +++++++-------- synapse/push/httppusher.py | 1 - synapse/push/pusherpool.py | 16 ++++++++++++++-- 3 files changed, 21 insertions(+), 11 deletions(-) diff --git a/synapse/push/emailpusher.py b/synapse/push/emailpusher.py index d5a99b838c..0bc548ae7a 100644 --- a/synapse/push/emailpusher.py +++ b/synapse/push/emailpusher.py @@ -72,16 +72,9 @@ class EmailPusher(object): self.processing = False - @defer.inlineCallbacks def on_started(self): if self.mailer is not None: - try: - self.throttle_params = yield self.store.get_throttle_params_by_room( - self.pusher_id - ) - self._start_processing() - except Exception: - logger.exception("Error starting email pusher") + self._start_processing() def on_stop(self): if self.timed_call: @@ -116,6 +109,12 @@ class EmailPusher(object): try: self.processing = True + if self.throttle_params is None: + # this is our first loop: load up the throttle params + self.throttle_params = yield self.store.get_throttle_params_by_room( + self.pusher_id + ) + # if the max ordering changes while we're running _unsafe_process, # call it again, and so on until we've caught up. while True: diff --git a/synapse/push/httppusher.py b/synapse/push/httppusher.py index 770f55feae..33034d44da 100644 --- a/synapse/push/httppusher.py +++ b/synapse/push/httppusher.py @@ -93,7 +93,6 @@ class HttpPusher(object): def on_started(self): self._start_processing() - return defer.succeed(None) def on_new_notifications(self, min_stream_ordering, max_stream_ordering): self.max_stream_ordering = max(max_stream_ordering, self.max_stream_ordering or 0) diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py index a4d1ce3aad..695e582dce 100644 --- a/synapse/push/pusherpool.py +++ b/synapse/push/pusherpool.py @@ -19,12 +19,24 @@ import logging from twisted.internet import defer from synapse.push.pusher import PusherFactory -from synapse.util.logcontext import run_in_background logger = logging.getLogger(__name__) class PusherPool: + """ + The pusher pool. This is responsible for dispatching notifications of new events to + the http and email pushers. + + It provides three methods which are designed to be called by the rest of the + application: `start`, `on_new_notifications`, and `on_new_receipts`: each of these + delegates to each of the relevant pushers. + + Note that it is expected that each pusher will have its own 'processing' loop which + will send out the notifications in the background, rather than blocking until the + notifications are sent; accordingly Pusher.on_started, Pusher.on_new_notifications and + Pusher.on_new_receipts are not expected to return deferreds. + """ def __init__(self, _hs): self.hs = _hs self.pusher_factory = PusherFactory(_hs) @@ -216,7 +228,7 @@ class PusherPool: if appid_pushkey in byuser: byuser[appid_pushkey].on_stop() byuser[appid_pushkey] = p - run_in_background(p.on_started) + p.on_started() @defer.inlineCallbacks def remove_pusher(self, app_id, pushkey, user_id):