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Merge pull request #1022 from matrix-org/erikj/as_notify_perf

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Make notify_interested_services faster
This commit is contained in:
Erik Johnston 2016-08-18 09:35:19 +01:00 • committed by GitHub
commit e73dcb66da
4 changed files with 102 additions and 128 deletions
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77
synapse/appservice/__init__.py
View file

@ -14,6 +14,8 @@
# limitations under the License.
from synapse.api.constants import EventTypes
from twisted.internet import defer
import logging
import re
@ -138,65 +140,66 @@ class ApplicationService(object):
return regex_obj["exclusive"]
return False
def _matches_user(self, event, member_list):
if (hasattr(event, "sender") and
self.is_interested_in_user(event.sender)):
return True
@defer.inlineCallbacks
def _matches_user(self, event, store):
if not event:
defer.returnValue(False)
if self.is_interested_in_user(event.sender):
defer.returnValue(True)
# also check m.room.member state key
if (hasattr(event, "type") and event.type == EventTypes.Member
and hasattr(event, "state_key")
and self.is_interested_in_user(event.state_key)):
return True
if (event.type == EventTypes.Member and
self.is_interested_in_user(event.state_key)):
defer.returnValue(True)
if not store:
defer.returnValue(False)
member_list = yield store.get_users_in_room(event.room_id)
# check joined member events
for user_id in member_list:
if self.is_interested_in_user(user_id):
return True
return False
defer.returnValue(True)
defer.returnValue(False)
def _matches_room_id(self, event):
if hasattr(event, "room_id"):
return self.is_interested_in_room(event.room_id)
return False
def _matches_aliases(self, event, alias_list):
@defer.inlineCallbacks
def _matches_aliases(self, event, store):
if not store or not event:
defer.returnValue(False)
alias_list = yield store.get_aliases_for_room(event.room_id)
for alias in alias_list:
if self.is_interested_in_alias(alias):
return True
return False
defer.returnValue(True)
defer.returnValue(False)
def is_interested(self, event, restrict_to=None, aliases_for_event=None,
member_list=None):
@defer.inlineCallbacks
def is_interested(self, event, store=None):
"""Check if this service is interested in this event.
Args:
event(Event): The event to check.
restrict_to(str): The namespace to restrict regex tests to.
aliases_for_event(list): A list of all the known room aliases for
this event.
member_list(list): A list of all joined user_ids in this room.
store(DataStore)
Returns:
bool: True if this service would like to know about this event.
"""
if aliases_for_event is None:
aliases_for_event = []
if member_list is None:
member_list = []
# Do cheap checks first
if self._matches_room_id(event):
defer.returnValue(True)
if restrict_to and restrict_to not in ApplicationService.NS_LIST:
# this is a programming error, so fail early and raise a general
# exception
raise Exception("Unexpected restrict_to value: %s". restrict_to)
if (yield self._matches_aliases(event, store)):
defer.returnValue(True)
if not restrict_to:
return (self._matches_user(event, member_list)
or self._matches_aliases(event, aliases_for_event)
or self._matches_room_id(event))
elif restrict_to == ApplicationService.NS_ALIASES:
return self._matches_aliases(event, aliases_for_event)
elif restrict_to == ApplicationService.NS_ROOMS:
return self._matches_room_id(event)
elif restrict_to == ApplicationService.NS_USERS:
return self._matches_user(event, member_list)
if (yield self._matches_user(event, store)):
defer.returnValue(True)
defer.returnValue(False)
def is_interested_in_user(self, user_id):
return (

31
synapse/handlers/appservice.py
View file

@ -16,7 +16,6 @@
from twisted.internet import defer
from synapse.api.constants import EventTypes
from synapse.appservice import ApplicationService
from synapse.util.metrics import Measure
import logging
@ -107,11 +106,12 @@ class ApplicationServicesHandler(object):
association can be found.
"""
room_alias_str = room_alias.to_string()
alias_query_services = yield self._get_services_for_event(
event=None,
restrict_to=ApplicationService.NS_ALIASES,
alias_list=[room_alias_str]
)
services = yield self.store.get_app_services()
alias_query_services = [
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(
alias_service, room_alias_str
@ -124,34 +124,19 @@ class ApplicationServicesHandler(object):
defer.returnValue(result)
@defer.inlineCallbacks
def _get_services_for_event(self, event, restrict_to="", alias_list=None):
def _get_services_for_event(self, event):
"""Retrieve a list of application services interested in this event.
Args:
event(Event): The event to check. Can be None if alias_list is not.
restrict_to(str): The namespace to restrict regex tests to.
alias_list: A list of aliases to get services for. If None, this
list is obtained from the database.
Returns:
list<ApplicationService>: A list of services interested in this
event based on the service regex.
"""
member_list = None
if hasattr(event, "room_id"):
# We need to know the aliases associated with this event.room_id,
# if any.
if not alias_list:
alias_list = yield self.store.get_aliases_for_room(
event.room_id
)
# We need to know the members associated with this event.room_id,
# if any.
member_list = yield self.store.get_users_in_room(event.room_id)
services = yield self.store.get_app_services()
interested_list = [
s for s in services if (
s.is_interested(event, restrict_to, alias_list, member_list)
yield s.is_interested(event, self.store)
)
]
defer.returnValue(interested_list)