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2359ee3864
* Push `get_room_{min,max_stream_ordering}` into StreamStore
Both implementations of this are identical, so we may as well push it down and
get rid of the abstract base class nonsense.
* Remove redundant `StreamStore` class
This is empty now
* Remove redundant `get_current_events_token`
This was an exact duplicate of `get_room_max_stream_ordering`, so let's get rid
of it.
* newsfile
83 lines
3.1 KiB
Python
83 lines
3.1 KiB
Python
# Copyright 2016 OpenMarket Ltd
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# Copyright 2018 New Vector 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.storage.database import DatabasePool, LoggingDatabaseConnection
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from synapse.storage.databases.main.event_federation import EventFederationWorkerStore
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from synapse.storage.databases.main.event_push_actions import (
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EventPushActionsWorkerStore,
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)
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from synapse.storage.databases.main.events_worker import EventsWorkerStore
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from synapse.storage.databases.main.relations import RelationsWorkerStore
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from synapse.storage.databases.main.roommember import RoomMemberWorkerStore
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from synapse.storage.databases.main.signatures import SignatureWorkerStore
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from synapse.storage.databases.main.state import StateGroupWorkerStore
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from synapse.storage.databases.main.stream import StreamWorkerStore
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from synapse.storage.databases.main.user_erasure_store import UserErasureWorkerStore
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from synapse.util.caches.stream_change_cache import StreamChangeCache
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from ._base import BaseSlavedStore
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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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# So, um, we want to borrow a load of functions intended for reading from
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# a DataStore, but we don't want to take functions that either write to the
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# DataStore or are cached and don't have cache invalidation logic.
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#
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# Rather than write duplicate versions of those functions, or lift them to
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# a common base class, we going to grab the underlying __func__ object from
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# the method descriptor on the DataStore and chuck them into our class.
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class SlavedEventStore(
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EventFederationWorkerStore,
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RoomMemberWorkerStore,
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EventPushActionsWorkerStore,
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StreamWorkerStore,
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StateGroupWorkerStore,
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EventsWorkerStore,
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SignatureWorkerStore,
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UserErasureWorkerStore,
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RelationsWorkerStore,
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BaseSlavedStore,
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):
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def __init__(
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self,
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database: DatabasePool,
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db_conn: LoggingDatabaseConnection,
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hs: "HomeServer",
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):
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super().__init__(database, db_conn, hs)
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events_max = self._stream_id_gen.get_current_token()
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curr_state_delta_prefill, min_curr_state_delta_id = self.db_pool.get_cache_dict(
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db_conn,
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"current_state_delta_stream",
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entity_column="room_id",
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stream_column="stream_id",
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max_value=events_max, # As we share the stream id with events token
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limit=1000,
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)
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self._curr_state_delta_stream_cache = StreamChangeCache(
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"_curr_state_delta_stream_cache",
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min_curr_state_delta_id,
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prefilled_cache=curr_state_delta_prefill,
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)
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