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https://git.anonymousland.org/anonymousland/synapse-product.git
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c66a06ac6b
This is in preparation for having multiple data stores that offer different functionality, e.g. splitting out state or event storage.
65 lines
2.7 KiB
Python
65 lines
2.7 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.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._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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result["device_lists"] = self._device_list_id_gen.get_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 == "device_lists":
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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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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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