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https://git.anonymousland.org/anonymousland/synapse-product.git
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c72d26c1e1
Refactor how the `EventContext` class works, with the intention of reducing the amount of state we fetch from the DB during event processing. The idea here is to get rid of the cached `current_state_ids` and `prev_state_ids` that live in the `EventContext`, and instead defer straight to the database (and its caching). One change that may have a noticeable effect is that we now no longer prefill the `get_current_state_ids` cache on a state change. However, that query is relatively light, since its just a case of reading a table from the DB (unlike fetching state at an event which is more heavyweight). For deployments with workers this cache isn't even used. Part of #12684
49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
# Copyright 2015 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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from typing import TYPE_CHECKING
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from synapse.events import EventBase
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from synapse.events.snapshot import EventContext
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from synapse.push.bulk_push_rule_evaluator import BulkPushRuleEvaluator
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from synapse.util.metrics import Measure
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class ActionGenerator:
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def __init__(self, hs: "HomeServer"):
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self.clock = hs.get_clock()
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self.bulk_evaluator = BulkPushRuleEvaluator(hs)
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# really we want to get all user ids and all profile tags too,
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# since we want the actions for each profile tag for every user and
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# also actions for a client with no profile tag for each user.
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# Currently the event stream doesn't support profile tags on an
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# event stream, so we just run the rules for a client with no profile
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# tag (ie. we just need all the users).
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async def handle_push_actions_for_event(
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self, event: EventBase, context: EventContext
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) -> None:
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if event.internal_metadata.is_outlier():
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# This can happen due to out of band memberships
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return
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with Measure(self.clock, "action_for_event_by_user"):
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await self.bulk_evaluator.action_for_event_by_user(event, context)
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