72 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			2.9 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.storage import DataStore
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from synapse.util.caches.expiringcache import ExpiringCache
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from synapse.util.caches.stream_change_cache import StreamChangeCache
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from ._base import BaseSlavedStore
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from ._slaved_id_tracker import SlavedIdTracker
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class SlavedDeviceInboxStore(BaseSlavedStore):
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    def __init__(self, db_conn, hs):
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        super(SlavedDeviceInboxStore, self).__init__(db_conn, hs)
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        self._device_inbox_id_gen = SlavedIdTracker(
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            db_conn, "device_max_stream_id", "stream_id",
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        )
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        self._device_inbox_stream_cache = StreamChangeCache(
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            "DeviceInboxStreamChangeCache",
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            self._device_inbox_id_gen.get_current_token()
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        )
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        self._device_federation_outbox_stream_cache = StreamChangeCache(
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            "DeviceFederationOutboxStreamChangeCache",
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            self._device_inbox_id_gen.get_current_token()
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        )
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        self._last_device_delete_cache = ExpiringCache(
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            cache_name="last_device_delete_cache",
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            clock=self._clock,
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            max_len=10000,
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            expiry_ms=30 * 60 * 1000,
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        )
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    get_to_device_stream_token = DataStore.get_to_device_stream_token.__func__
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    get_new_messages_for_device = DataStore.get_new_messages_for_device.__func__
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    get_new_device_msgs_for_remote = DataStore.get_new_device_msgs_for_remote.__func__
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    delete_messages_for_device = DataStore.delete_messages_for_device.__func__
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    delete_device_msgs_for_remote = DataStore.delete_device_msgs_for_remote.__func__
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    def stream_positions(self):
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        result = super(SlavedDeviceInboxStore, self).stream_positions()
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        result["to_device"] = self._device_inbox_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 == "to_device":
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            self._device_inbox_id_gen.advance(token)
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            for row in rows:
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                if row.entity.startswith("@"):
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                    self._device_inbox_stream_cache.entity_has_changed(
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                        row.entity, token
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                    )
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                else:
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                    self._device_federation_outbox_stream_cache.entity_has_changed(
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                        row.entity, token
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                    )
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        return super(SlavedDeviceInboxStore, self).process_replication_rows(
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            stream_name, token, rows
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        )
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