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3a1f3f8388
As the TCP replication uses a slightly different API and streams than the HTTP replication. This breaks HTTP replication.
87 lines
3.4 KiB
Python
87 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 ._base import BaseSlavedStore
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from ._slaved_id_tracker import SlavedIdTracker
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from synapse.storage import DataStore
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from synapse.storage.receipts import ReceiptsStore
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from synapse.util.caches.stream_change_cache import StreamChangeCache
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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 SlavedReceiptsStore(BaseSlavedStore):
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def __init__(self, db_conn, hs):
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super(SlavedReceiptsStore, self).__init__(db_conn, hs)
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self._receipts_id_gen = SlavedIdTracker(
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db_conn, "receipts_linearized", "stream_id"
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)
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self._receipts_stream_cache = StreamChangeCache(
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"ReceiptsRoomChangeCache", self._receipts_id_gen.get_current_token()
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)
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get_receipts_for_user = ReceiptsStore.__dict__["get_receipts_for_user"]
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get_linearized_receipts_for_room = (
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ReceiptsStore.__dict__["get_linearized_receipts_for_room"]
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)
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_get_linearized_receipts_for_rooms = (
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ReceiptsStore.__dict__["_get_linearized_receipts_for_rooms"]
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)
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get_last_receipt_event_id_for_user = (
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ReceiptsStore.__dict__["get_last_receipt_event_id_for_user"]
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)
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get_max_receipt_stream_id = DataStore.get_max_receipt_stream_id.__func__
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get_all_updated_receipts = DataStore.get_all_updated_receipts.__func__
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get_linearized_receipts_for_rooms = (
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DataStore.get_linearized_receipts_for_rooms.__func__
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)
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def stream_positions(self):
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result = super(SlavedReceiptsStore, self).stream_positions()
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result["receipts"] = self._receipts_id_gen.get_current_token()
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return result
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def invalidate_caches_for_receipt(self, room_id, receipt_type, user_id):
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self.get_receipts_for_user.invalidate((user_id, receipt_type))
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self.get_linearized_receipts_for_room.invalidate_many((room_id,))
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self.get_last_receipt_event_id_for_user.invalidate(
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(user_id, room_id, receipt_type)
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)
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def process_replication_rows(self, stream_name, token, rows):
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if stream_name == "receipts":
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self._receipts_id_gen.advance(token)
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for row in rows:
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self.invalidate_caches_for_receipt(
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row.room_id, row.receipt_type, row.user_id
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)
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self._receipts_stream_cache.entity_has_changed(row.room_id, token)
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return super(SlavedReceiptsStore, self).process_replication_rows(
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stream_name, token, rows
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)
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