diff options
Diffstat (limited to 'synapse/push/__init__.py')
| -rw-r--r-- | synapse/push/__init__.py | 58 |
1 files changed, 48 insertions, 10 deletions
diff --git a/synapse/push/__init__.py b/synapse/push/__init__.py index df0b91a8e9..a96f0f0183 100644 --- a/synapse/push/__init__.py +++ b/synapse/push/__init__.py @@ -26,12 +26,15 @@ logger = logging.getLogger(__name__) class Pusher(object): INITIAL_BACKOFF = 1000 - MAX_BACKOFF = 10 * 60 * 1000 + MAX_BACKOFF = 60 * 60 * 1000 + GIVE_UP_AFTER = 24 * 60 * 60 * 1000 - def __init__(self, _hs, user_name, app, app_display_name, device_display_name, pushkey, data, last_token): + def __init__(self, _hs, user_name, app, app_display_name, device_display_name, pushkey, data, + last_token, last_success, failing_since): self.hs = _hs self.evStreamHandler = self.hs.get_handlers().event_stream_handler self.store = self.hs.get_datastore() + self.clock = self.hs.get_clock() self.user_name = user_name self.app = app self.app_display_name = app_display_name @@ -40,6 +43,7 @@ class Pusher(object): self.data = data self.last_token = last_token self.backoff_delay = Pusher.INITIAL_BACKOFF + self.failing_since = None @defer.inlineCallbacks def start(self): @@ -58,17 +62,51 @@ class Pusher(object): config = PaginationConfig(from_token=from_tok, limit='1') chunk = yield self.evStreamHandler.get_stream(self.user_name, config, timeout=100*365*24*60*60*1000) - if (self.dispatchPush(chunk['chunk'][0])): + # limiting to 1 may get 1 event plus 1 presence event, so pick out the actual event + singleEvent = None + for c in chunk['chunk']: + if 'event_id' in c: # Hmmm... + singleEvent = c + break + if not singleEvent: + continue + + ret = yield self.dispatchPush(singleEvent) + if (ret): self.backoff_delay = Pusher.INITIAL_BACKOFF self.last_token = chunk['end'] - self.store.update_pusher_last_token(self.user_name, self.pushkey, self.last_token) + self.store.update_pusher_last_token_and_success(self.user_name, self.pushkey, + self.last_token, self.clock.time_msec()) + if self.failing_since: + self.failing_since = None + self.store.update_pusher_failing_since(self.user_name, self.pushkey, self.failing_since) else: - logger.warn("Failed to dispatch push for user %s. Trying again in %dms", - self.user_name, self.backoff_delay) - yield synapse.util.async.sleep(self.backoff_delay / 1000.0) - self.backoff_delay *=2 - if self.backoff_delay > Pusher.MAX_BACKOFF: - self.backoff_delay = Pusher.MAX_BACKOFF + if not self.failing_since: + self.failing_since = self.clock.time_msec() + self.store.update_pusher_failing_since(self.user_name, self.pushkey, self.failing_since) + + if self.failing_since and self.failing_since < self.clock.time_msec() - Pusher.GIVE_UP_AFTER: + # we really only give up so that if the URL gets fixed, we don't suddenly deliver a load + # of old notifications. + logger.warn("Giving up on a notification to user %s, pushkey %s", + self.user_name, self.pushkey) + self.backoff_delay = Pusher.INITIAL_BACKOFF + self.last_token = chunk['end'] + self.store.update_pusher_last_token(self.user_name, self.pushkey, self.last_token) + + self.failing_since = None + self.store.update_pusher_failing_since(self.user_name, self.pushkey, self.failing_since) + else: + logger.warn("Failed to dispatch push for user %s (failing for %dms)." + "Trying again in %dms", + self.user_name, + self.clock.time_msec() - self.failing_since, + self.backoff_delay + ) + yield synapse.util.async.sleep(self.backoff_delay / 1000.0) + self.backoff_delay *=2 + if self.backoff_delay > Pusher.MAX_BACKOFF: + self.backoff_delay = Pusher.MAX_BACKOFF class PusherConfigException(Exception): |