80 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			3.2 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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| 
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| from typing import TYPE_CHECKING, Any, Iterable
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| 
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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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| 
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| if TYPE_CHECKING:
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|     from synapse.server import HomeServer
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| 
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| 
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| class SlavedDeviceStore(DeviceWorkerStore):
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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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|         self.hs = hs
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| 
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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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| 
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|         super().__init__(database, db_conn, hs)
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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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| 
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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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| 
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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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| 
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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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