diff --git a/synapse/push/emailpusher.py b/synapse/push/emailpusher.py
index d746371420..f369124258 100644
--- a/synapse/push/emailpusher.py
+++ b/synapse/push/emailpusher.py
@@ -18,8 +18,7 @@ import logging
from twisted.internet import defer
from twisted.internet.error import AlreadyCalled, AlreadyCancelled
-from synapse.util.logcontext import LoggingContext
-from synapse.util.metrics import Measure
+from synapse.metrics.background_process_metrics import run_as_background_process
logger = logging.getLogger(__name__)
@@ -71,18 +70,11 @@ class EmailPusher(object):
# See httppusher
self.max_stream_ordering = None
- self.processing = False
+ self._is_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
- )
- yield self._process()
- except Exception:
- logger.exception("Error starting email pusher")
+ self._start_processing()
def on_stop(self):
if self.timed_call:
@@ -92,43 +84,52 @@ class EmailPusher(object):
pass
self.timed_call = None
- @defer.inlineCallbacks
def on_new_notifications(self, min_stream_ordering, max_stream_ordering):
self.max_stream_ordering = max(max_stream_ordering, self.max_stream_ordering)
- yield self._process()
+ self._start_processing()
def on_new_receipts(self, min_stream_id, max_stream_id):
# We could wake up and cancel the timer but there tend to be quite a
# lot of read receipts so it's probably less work to just let the
# timer fire
- return defer.succeed(None)
+ pass
- @defer.inlineCallbacks
def on_timer(self):
self.timed_call = None
- yield self._process()
+ self._start_processing()
+
+ def _start_processing(self):
+ if self._is_processing:
+ return
+
+ run_as_background_process("emailpush.process", self._process)
@defer.inlineCallbacks
def _process(self):
- if self.processing:
- return
+ # we should never get here if we are already processing
+ assert not self._is_processing
+
+ try:
+ self._is_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
+ )
- with LoggingContext("emailpush._process"):
- with Measure(self.clock, "emailpush._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:
- self.processing = True
- # 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 Exception:
- logger.exception("Exception processing notifs")
- if self.max_stream_ordering == starting_max_ordering:
- break
- finally:
- self.processing = False
+ yield self._unsafe_process()
+ except Exception:
+ logger.exception("Exception processing notifs")
+ if self.max_stream_ordering == starting_max_ordering:
+ break
+ finally:
+ self._is_processing = False
@defer.inlineCallbacks
def _unsafe_process(self):
|