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sanity-check the is_processing flag

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... and rename it, for even more sanity
This commit is contained in:
Richard van der Hoff 2018-10-24 09:23:33 +01:00
parent abd9914683
commit e564306e31
2 changed files with 14 additions and 8 deletions
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11
synapse/push/emailpusher.py
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@ -70,7 +70,7 @@ class EmailPusher(object):
# See httppusher # See httppusher
self.max_stream_ordering = None self.max_stream_ordering = None
self.processing = False self._is_processing = False
def on_started(self): def on_started(self):
if self.mailer is not None: if self.mailer is not None:
@ -99,15 +99,18 @@ class EmailPusher(object):
self._start_processing() self._start_processing()
def _start_processing(self): def _start_processing(self):
if self.processing: if self._is_processing:
return return
run_as_background_process("emailpush.process", self._process) run_as_background_process("emailpush.process", self._process)
@defer.inlineCallbacks @defer.inlineCallbacks
def _process(self): def _process(self):
# we should never get here if we are already processing
assert not self._is_processing
try: try:
self.processing = True self._is_processing = True
if self.throttle_params is None: if self.throttle_params is None:
# this is our first loop: load up the throttle params # this is our first loop: load up the throttle params
@ -126,7 +129,7 @@ class EmailPusher(object):
if self.max_stream_ordering == starting_max_ordering: if self.max_stream_ordering == starting_max_ordering:
break break
finally: finally:
self.processing = False self._is_processing = False
@defer.inlineCallbacks @defer.inlineCallbacks
def _unsafe_process(self): def _unsafe_process(self):

11
synapse/push/httppusher.py
View file

@ -60,7 +60,7 @@ class HttpPusher(object):
self.backoff_delay = HttpPusher.INITIAL_BACKOFF_SEC self.backoff_delay = HttpPusher.INITIAL_BACKOFF_SEC
self.failing_since = pusherdict['failing_since'] self.failing_since = pusherdict['failing_since']
self.timed_call = None self.timed_call = None
self.processing = False self._is_processing = False
# This is the highest stream ordering we know it's safe to process. # 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 # When new events arrive, we'll be given a window of new events: we
@ -122,15 +122,18 @@ class HttpPusher(object):
self.timed_call = None self.timed_call = None
def _start_processing(self): def _start_processing(self):
if self.processing: if self._is_processing:
return return
run_as_background_process("httppush.process", self._process) run_as_background_process("httppush.process", self._process)
@defer.inlineCallbacks @defer.inlineCallbacks
def _process(self): def _process(self):
# we should never get here if we are already processing
assert not self._is_processing
try: try:
self.processing = True self._is_processing = True
# if the max ordering changes while we're running _unsafe_process, # if the max ordering changes while we're running _unsafe_process,
# call it again, and so on until we've caught up. # call it again, and so on until we've caught up.
while True: while True:
@ -142,7 +145,7 @@ class HttpPusher(object):
if self.max_stream_ordering == starting_max_ordering: if self.max_stream_ordering == starting_max_ordering:
break break
finally: finally:
self.processing = False self._is_processing = False
@defer.inlineCallbacks @defer.inlineCallbacks
def _unsafe_process(self): def _unsafe_process(self):