77 lines
3.4 KiB
Python
77 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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# 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 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.data_stores.main.devices import DeviceWorkerStore
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from synapse.storage.data_stores.main.end_to_end_keys import EndToEndKeyWorkerStore
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from synapse.util.caches.stream_change_cache import StreamChangeCache
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class SlavedDeviceStore(EndToEndKeyWorkerStore, DeviceWorkerStore, BaseSlavedStore):
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def __init__(self, db_conn, hs):
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super(SlavedDeviceStore, self).__init__(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, "device_lists_stream", "stream_id"
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)
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device_list_max = self._device_list_id_gen.get_current_token()
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self._device_list_stream_cache = StreamChangeCache(
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"DeviceListStreamChangeCache", device_list_max
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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 stream_positions(self):
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result = super(SlavedDeviceStore, self).stream_positions()
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# The user signature stream uses the same stream ID generator as the
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# device list stream, so set them both to the device list ID
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# generator's current token.
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current_token = self._device_list_id_gen.get_current_token()
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result[DeviceListsStream.NAME] = current_token
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result[UserSignatureStream.NAME] = current_token
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return result
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def process_replication_rows(self, stream_name, token, rows):
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if stream_name == DeviceListsStream.NAME:
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self._device_list_id_gen.advance(token)
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for row in rows:
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self._invalidate_caches_for_devices(token, row.user_id, row.destination)
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elif stream_name == UserSignatureStream.NAME:
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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(SlavedDeviceStore, self).process_replication_rows(
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stream_name, token, rows
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)
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def _invalidate_caches_for_devices(self, token, user_id, destination):
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self._device_list_stream_cache.entity_has_changed(user_id, token)
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if destination:
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self._device_list_federation_stream_cache.entity_has_changed(
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destination, token
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)
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self._get_cached_devices_for_user.invalidate((user_id,))
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self._get_cached_user_device.invalidate_many((user_id,))
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self.get_device_list_last_stream_id_for_remote.invalidate((user_id,))
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