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Wrap process in a flag so we don't process whist already processing.

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This commit is contained in:
David Baker 2016-04-07 17:31:08 +01:00
parent 6ec02e9ecf
commit 15e0f1696f
1 changed files with 9 additions and 0 deletions
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9
synapse/push/httppusher.py
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@ -48,6 +48,7 @@ class HttpPusher(object):
self.backoff_delay = HttpPusher.INITIAL_BACKOFF_SEC
self.failing_since = pusherdict['failing_since']
self.timed_call = None
self.processing = False
# This is the highest stream ordering we know it's safe to process.
# When new events arrive, we'll be given a window of new events: we
@ -109,6 +110,14 @@ class HttpPusher(object):
@defer.inlineCallbacks
def _process(self):
try:
self.processing = True
yield self._unsafe_process()
finally:
self.processing = False
@defer.inlineCallbacks
def _unsafe_process(self):
unprocessed = yield self.store.get_unread_push_actions_for_user_in_range(
self.user_id, self.last_stream_ordering, self.max_stream_ordering
)