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https://git.anonymousland.org/anonymousland/synapse-product.git
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103 lines
4.2 KiB
Python
103 lines
4.2 KiB
Python
# Copyright 2016 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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from typing import TYPE_CHECKING, Any, Iterable
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from synapse.replication.slave.storage._base import BaseSlavedStore
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from synapse.replication.slave.storage._slaved_id_tracker import SlavedIdTracker
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from synapse.replication.tcp.streams._base import DeviceListsStream, UserSignatureStream
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from synapse.storage.database import DatabasePool, LoggingDatabaseConnection
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from synapse.storage.databases.main.devices import DeviceWorkerStore
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from synapse.storage.databases.main.end_to_end_keys import EndToEndKeyWorkerStore
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from synapse.util.caches.stream_change_cache import StreamChangeCache
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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class SlavedDeviceStore(EndToEndKeyWorkerStore, DeviceWorkerStore, BaseSlavedStore):
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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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self.hs = hs
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self._device_list_id_gen = SlavedIdTracker(
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db_conn,
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"device_lists_stream",
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"stream_id",
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extra_tables=[
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("user_signature_stream", "stream_id"),
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("device_lists_outbound_pokes", "stream_id"),
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("device_lists_changes_in_room", "stream_id"),
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],
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)
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device_list_max = self._device_list_id_gen.get_current_token()
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device_list_prefill, min_device_list_id = self.db_pool.get_cache_dict(
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db_conn,
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"device_lists_stream",
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entity_column="user_id",
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stream_column="stream_id",
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max_value=device_list_max,
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limit=1000,
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)
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self._device_list_stream_cache = StreamChangeCache(
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"DeviceListStreamChangeCache",
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min_device_list_id,
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prefilled_cache=device_list_prefill,
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)
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self._user_signature_stream_cache = StreamChangeCache(
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"UserSignatureStreamChangeCache", device_list_max
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)
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self._device_list_federation_stream_cache = StreamChangeCache(
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"DeviceListFederationStreamChangeCache", device_list_max
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)
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def get_device_stream_token(self) -> int:
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return self._device_list_id_gen.get_current_token()
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def process_replication_rows(
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self, stream_name: str, instance_name: str, token: int, rows: Iterable[Any]
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) -> None:
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if stream_name == DeviceListsStream.NAME:
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self._device_list_id_gen.advance(instance_name, token)
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self._invalidate_caches_for_devices(token, rows)
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elif stream_name == UserSignatureStream.NAME:
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self._device_list_id_gen.advance(instance_name, token)
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for row in rows:
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self._user_signature_stream_cache.entity_has_changed(row.user_id, token)
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return super().process_replication_rows(stream_name, instance_name, token, rows)
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def _invalidate_caches_for_devices(
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self, token: int, rows: Iterable[DeviceListsStream.DeviceListsStreamRow]
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) -> None:
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for row in rows:
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# The entities are either user IDs (starting with '@') whose devices
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# have changed, or remote servers that we need to tell about
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# changes.
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if row.entity.startswith("@"):
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self._device_list_stream_cache.entity_has_changed(row.entity, token)
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self.get_cached_devices_for_user.invalidate((row.entity,))
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self._get_cached_user_device.invalidate((row.entity,))
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self.get_device_list_last_stream_id_for_remote.invalidate((row.entity,))
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else:
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self._device_list_federation_stream_cache.entity_has_changed(
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row.entity, token
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)
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