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authorDavid Baker <dave@matrix.org>2016-04-11 12:48:30 +0100
committerDavid Baker <dave@matrix.org>2016-04-11 12:48:30 +0100
commit9bb041791ce09209a21c61cadb79c52cba9ac3d9 (patch)
tree77ab0844a9605c8b3074ba779a236aaa574033fd /synapse/push/httppusher.py
parentActually check if we;re processing (diff)
downloadsynapse-9bb041791ce09209a21c61cadb79c52cba9ac3d9.tar.xz
Run unsafe proces in a loop until we've caught up
and wrap unsafe process in a try block
Diffstat (limited to '')
-rw-r--r--synapse/push/httppusher.py15
1 files changed, 11 insertions, 4 deletions
diff --git a/synapse/push/httppusher.py b/synapse/push/httppusher.py
index b3b11c5f43..57f0a69e03 100644
--- a/synapse/push/httppusher.py
+++ b/synapse/push/httppusher.py
@@ -116,7 +116,16 @@ class HttpPusher(object):
             return
         try:
             self.processing = True
-            yield self._unsafe_process()
+            # if the max ordering changes while we're running _unsafe_process,
+            # call it again, and so on until we've caught up.
+            while True:
+                starting_max_ordering = self.max_stream_ordering
+                try:
+                    yield self._unsafe_process()
+                except:
+                    logger.exception("Exception processing notifs")
+                if self.max_stream_ordering == starting_max_ordering:
+                    break
         finally:
             self.processing = False
 
@@ -127,7 +136,7 @@ class HttpPusher(object):
         Never call this directly: use _process which will only allow this to
         run once per pusher.
         """
-        starting_max_ordering = self.max_stream_ordering
+
         unprocessed = yield self.store.get_unread_push_actions_for_user_in_range(
             self.user_id, self.last_stream_ordering, self.max_stream_ordering
         )
@@ -188,8 +197,6 @@ class HttpPusher(object):
                     self.timed_call = reactor.callLater(self.backoff_delay, self.on_timer)
                     self.backoff_delay = min(self.backoff_delay * 2, self.MAX_BACKOFF_SEC)
                     break
-        if self.max_stream_ordering != starting_max_ordering:
-            self._unsafe_process()
 
     @defer.inlineCallbacks
     def _process_one(self, push_action):