Convert the appservice handler to async/await. (#7775)

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Patrick Cloke 2020-07-06 07:40:35 -04:00 committed by GitHub
parent 57feeab364
commit 6d687ebba1
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4 changed files with 68 additions and 76 deletions

1
changelog.d/7775.misc Normal file
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@ -0,0 +1 @@
Convert the appserver handler to async/await.

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@ -98,7 +98,6 @@ class ApplicationServiceApi(SimpleHttpClient):
if service.url is None:
return False
uri = service.url + ("/users/%s" % urllib.parse.quote(user_id))
response = None
try:
response = yield self.get_json(uri, {"access_token": service.hs_token})
if response is not None: # just an empty json object

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@ -48,8 +48,7 @@ class ApplicationServicesHandler(object):
self.current_max = 0
self.is_processing = False
@defer.inlineCallbacks
def notify_interested_services(self, current_id):
async def notify_interested_services(self, current_id):
"""Notifies (pushes) all application services interested in this event.
Pushing is done asynchronously, so this method won't block for any
@ -74,7 +73,7 @@ class ApplicationServicesHandler(object):
(
upper_bound,
events,
) = yield self.store.get_new_events_for_appservice(
) = await self.store.get_new_events_for_appservice(
self.current_max, limit
)
@ -85,10 +84,9 @@ class ApplicationServicesHandler(object):
for event in events:
events_by_room.setdefault(event.room_id, []).append(event)
@defer.inlineCallbacks
def handle_event(event):
async def handle_event(event):
# Gather interested services
services = yield self._get_services_for_event(event)
services = await self._get_services_for_event(event)
if len(services) == 0:
return # no services need notifying
@ -96,9 +94,9 @@ class ApplicationServicesHandler(object):
# query API for all services which match that user regex.
# This needs to block as these user queries need to be
# made BEFORE pushing the event.
yield self._check_user_exists(event.sender)
await self._check_user_exists(event.sender)
if event.type == EventTypes.Member:
yield self._check_user_exists(event.state_key)
await self._check_user_exists(event.state_key)
if not self.started_scheduler:
@ -115,17 +113,16 @@ class ApplicationServicesHandler(object):
self.scheduler.submit_event_for_as(service, event)
now = self.clock.time_msec()
ts = yield self.store.get_received_ts(event.event_id)
ts = await self.store.get_received_ts(event.event_id)
synapse.metrics.event_processing_lag_by_event.labels(
"appservice_sender"
).observe((now - ts) / 1000)
@defer.inlineCallbacks
def handle_room_events(events):
async def handle_room_events(events):
for event in events:
yield handle_event(event)
await handle_event(event)
yield make_deferred_yieldable(
await make_deferred_yieldable(
defer.gatherResults(
[
run_in_background(handle_room_events, evs)
@ -135,10 +132,10 @@ class ApplicationServicesHandler(object):
)
)
yield self.store.set_appservice_last_pos(upper_bound)
await self.store.set_appservice_last_pos(upper_bound)
now = self.clock.time_msec()
ts = yield self.store.get_received_ts(events[-1].event_id)
ts = await self.store.get_received_ts(events[-1].event_id)
synapse.metrics.event_processing_positions.labels(
"appservice_sender"
@ -161,8 +158,7 @@ class ApplicationServicesHandler(object):
finally:
self.is_processing = False
@defer.inlineCallbacks
def query_user_exists(self, user_id):
async def query_user_exists(self, user_id):
"""Check if any application service knows this user_id exists.
Args:
@ -170,15 +166,14 @@ class ApplicationServicesHandler(object):
Returns:
True if this user exists on at least one application service.
"""
user_query_services = yield self._get_services_for_user(user_id=user_id)
user_query_services = self._get_services_for_user(user_id=user_id)
for user_service in user_query_services:
is_known_user = yield self.appservice_api.query_user(user_service, user_id)
is_known_user = await self.appservice_api.query_user(user_service, user_id)
if is_known_user:
return True
return False
@defer.inlineCallbacks
def query_room_alias_exists(self, room_alias):
async def query_room_alias_exists(self, room_alias):
"""Check if an application service knows this room alias exists.
Args:
@ -193,19 +188,18 @@ class ApplicationServicesHandler(object):
s for s in services if (s.is_interested_in_alias(room_alias_str))
]
for alias_service in alias_query_services:
is_known_alias = yield self.appservice_api.query_alias(
is_known_alias = await self.appservice_api.query_alias(
alias_service, room_alias_str
)
if is_known_alias:
# the alias exists now so don't query more ASes.
result = yield self.store.get_association_from_room_alias(room_alias)
result = await self.store.get_association_from_room_alias(room_alias)
return result
@defer.inlineCallbacks
def query_3pe(self, kind, protocol, fields):
services = yield self._get_services_for_3pn(protocol)
async def query_3pe(self, kind, protocol, fields):
services = self._get_services_for_3pn(protocol)
results = yield make_deferred_yieldable(
results = await make_deferred_yieldable(
defer.DeferredList(
[
run_in_background(
@ -224,8 +218,7 @@ class ApplicationServicesHandler(object):
return ret
@defer.inlineCallbacks
def get_3pe_protocols(self, only_protocol=None):
async def get_3pe_protocols(self, only_protocol=None):
services = self.store.get_app_services()
protocols = {}
@ -238,7 +231,7 @@ class ApplicationServicesHandler(object):
if p not in protocols:
protocols[p] = []
info = yield self.appservice_api.get_3pe_protocol(s, p)
info = await self.appservice_api.get_3pe_protocol(s, p)
if info is not None:
protocols[p].append(info)
@ -263,8 +256,7 @@ class ApplicationServicesHandler(object):
return protocols
@defer.inlineCallbacks
def _get_services_for_event(self, event):
async def _get_services_for_event(self, event):
"""Retrieve a list of application services interested in this event.
Args:
@ -280,7 +272,7 @@ class ApplicationServicesHandler(object):
# inside of a list comprehension anymore.
interested_list = []
for s in services:
if (yield s.is_interested(event, self.store)):
if await s.is_interested(event, self.store):
interested_list.append(s)
return interested_list
@ -288,21 +280,20 @@ class ApplicationServicesHandler(object):
def _get_services_for_user(self, user_id):
services = self.store.get_app_services()
interested_list = [s for s in services if (s.is_interested_in_user(user_id))]
return defer.succeed(interested_list)
return interested_list
def _get_services_for_3pn(self, protocol):
services = self.store.get_app_services()
interested_list = [s for s in services if s.is_interested_in_protocol(protocol)]
return defer.succeed(interested_list)
return interested_list
@defer.inlineCallbacks
def _is_unknown_user(self, user_id):
async def _is_unknown_user(self, user_id):
if not self.is_mine_id(user_id):
# we don't know if they are unknown or not since it isn't one of our
# users. We can't poke ASes.
return False
user_info = yield self.store.get_user_by_id(user_id)
user_info = await self.store.get_user_by_id(user_id)
if user_info:
return False
@ -311,10 +302,9 @@ class ApplicationServicesHandler(object):
service_list = [s for s in services if s.sender == user_id]
return len(service_list) == 0
@defer.inlineCallbacks
def _check_user_exists(self, user_id):
unknown_user = yield self._is_unknown_user(user_id)
async def _check_user_exists(self, user_id):
unknown_user = await self._is_unknown_user(user_id)
if unknown_user:
exists = yield self.query_user_exists(user_id)
exists = await self.query_user_exists(user_id)
return exists
return True

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@ -32,10 +32,11 @@ class AppServiceHandlerTestCase(unittest.TestCase):
self.mock_as_api = Mock()
self.mock_scheduler = Mock()
hs = Mock()
hs.get_datastore = Mock(return_value=self.mock_store)
self.mock_store.get_received_ts.return_value = 0
hs.get_application_service_api = Mock(return_value=self.mock_as_api)
hs.get_application_service_scheduler = Mock(return_value=self.mock_scheduler)
hs.get_datastore.return_value = self.mock_store
self.mock_store.get_received_ts.return_value = defer.succeed(0)
self.mock_store.set_appservice_last_pos.return_value = defer.succeed(None)
hs.get_application_service_api.return_value = self.mock_as_api
hs.get_application_service_scheduler.return_value = self.mock_scheduler
hs.get_clock.return_value = MockClock()
self.handler = ApplicationServicesHandler(hs)
@ -48,18 +49,18 @@ class AppServiceHandlerTestCase(unittest.TestCase):
self._mkservice(is_interested=False),
]
self.mock_store.get_app_services = Mock(return_value=services)
self.mock_store.get_user_by_id = Mock(return_value=[])
self.mock_as_api.query_user.return_value = defer.succeed(True)
self.mock_store.get_app_services.return_value = services
self.mock_store.get_user_by_id.return_value = defer.succeed([])
event = Mock(
sender="@someone:anywhere", type="m.room.message", room_id="!foo:bar"
)
self.mock_store.get_new_events_for_appservice.side_effect = [
(0, [event]),
(0, []),
defer.succeed((0, [event])),
defer.succeed((0, [])),
]
self.mock_as_api.push = Mock()
yield self.handler.notify_interested_services(0)
yield defer.ensureDeferred(self.handler.notify_interested_services(0))
self.mock_scheduler.submit_event_for_as.assert_called_once_with(
interested_service, event
)
@ -68,36 +69,34 @@ class AppServiceHandlerTestCase(unittest.TestCase):
def test_query_user_exists_unknown_user(self):
user_id = "@someone:anywhere"
services = [self._mkservice(is_interested=True)]
services[0].is_interested_in_user = Mock(return_value=True)
self.mock_store.get_app_services = Mock(return_value=services)
self.mock_store.get_user_by_id = Mock(return_value=None)
services[0].is_interested_in_user.return_value = True
self.mock_store.get_app_services.return_value = services
self.mock_store.get_user_by_id.return_value = defer.succeed(None)
event = Mock(sender=user_id, type="m.room.message", room_id="!foo:bar")
self.mock_as_api.push = Mock()
self.mock_as_api.query_user = Mock()
self.mock_as_api.query_user.return_value = defer.succeed(True)
self.mock_store.get_new_events_for_appservice.side_effect = [
(0, [event]),
(0, []),
defer.succeed((0, [event])),
defer.succeed((0, [])),
]
yield self.handler.notify_interested_services(0)
yield defer.ensureDeferred(self.handler.notify_interested_services(0))
self.mock_as_api.query_user.assert_called_once_with(services[0], user_id)
@defer.inlineCallbacks
def test_query_user_exists_known_user(self):
user_id = "@someone:anywhere"
services = [self._mkservice(is_interested=True)]
services[0].is_interested_in_user = Mock(return_value=True)
self.mock_store.get_app_services = Mock(return_value=services)
self.mock_store.get_user_by_id = Mock(return_value={"name": user_id})
services[0].is_interested_in_user.return_value = True
self.mock_store.get_app_services.return_value = services
self.mock_store.get_user_by_id.return_value = defer.succeed({"name": user_id})
event = Mock(sender=user_id, type="m.room.message", room_id="!foo:bar")
self.mock_as_api.push = Mock()
self.mock_as_api.query_user = Mock()
self.mock_as_api.query_user.return_value = defer.succeed(True)
self.mock_store.get_new_events_for_appservice.side_effect = [
(0, [event]),
(0, []),
defer.succeed((0, [event])),
defer.succeed((0, [])),
]
yield self.handler.notify_interested_services(0)
yield defer.ensureDeferred(self.handler.notify_interested_services(0))
self.assertFalse(
self.mock_as_api.query_user.called,
"query_user called when it shouldn't have been.",
@ -107,7 +106,7 @@ class AppServiceHandlerTestCase(unittest.TestCase):
def test_query_room_alias_exists(self):
room_alias_str = "#foo:bar"
room_alias = Mock()
room_alias.to_string = Mock(return_value=room_alias_str)
room_alias.to_string.return_value = room_alias_str
room_id = "!alpha:bet"
servers = ["aperture"]
@ -118,12 +117,15 @@ class AppServiceHandlerTestCase(unittest.TestCase):
self._mkservice_alias(is_interested_in_alias=False),
]
self.mock_store.get_app_services = Mock(return_value=services)
self.mock_store.get_association_from_room_alias = Mock(
return_value=Mock(room_id=room_id, servers=servers)
self.mock_as_api.query_alias.return_value = defer.succeed(True)
self.mock_store.get_app_services.return_value = services
self.mock_store.get_association_from_room_alias.return_value = defer.succeed(
Mock(room_id=room_id, servers=servers)
)
result = yield self.handler.query_room_alias_exists(room_alias)
result = yield defer.ensureDeferred(
self.handler.query_room_alias_exists(room_alias)
)
self.mock_as_api.query_alias.assert_called_once_with(
interested_service, room_alias_str
@ -133,14 +135,14 @@ class AppServiceHandlerTestCase(unittest.TestCase):
def _mkservice(self, is_interested):
service = Mock()
service.is_interested = Mock(return_value=is_interested)
service.is_interested.return_value = defer.succeed(is_interested)
service.token = "mock_service_token"
service.url = "mock_service_url"
return service
def _mkservice_alias(self, is_interested_in_alias):
service = Mock()
service.is_interested_in_alias = Mock(return_value=is_interested_in_alias)
service.is_interested_in_alias.return_value = is_interested_in_alias
service.token = "mock_service_token"
service.url = "mock_service_url"
return service