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9f8abdcc38
* Revert "Add experimental support for sharding event persister. (#8170)"
This reverts commit 82c1ee1c22.
* Changelog
289 lines
8.8 KiB
Python
289 lines
8.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018 New Vector 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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import logging
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from synapse.api.room_versions import KNOWN_ROOM_VERSIONS
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from synapse.events import make_event_from_dict
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from synapse.events.snapshot import EventContext
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from synapse.http.servlet import parse_json_object_from_request
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from synapse.replication.http._base import ReplicationEndpoint
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from synapse.util.metrics import Measure
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logger = logging.getLogger(__name__)
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class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint):
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"""Handles events newly received from federation, including persisting and
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notifying. Returns the maximum stream ID of the persisted events.
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The API looks like:
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POST /_synapse/replication/fed_send_events/:txn_id
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{
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"events": [{
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"event": { .. serialized event .. },
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"room_version": .., // "1", "2", "3", etc: the version of the room
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// containing the event
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"event_format_version": .., // 1,2,3 etc: the event format version
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"internal_metadata": { .. serialized internal_metadata .. },
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"rejected_reason": .., // The event.rejected_reason field
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"context": { .. serialized event context .. },
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}],
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"backfilled": false
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}
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200 OK
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{
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"max_stream_id": 32443,
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}
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"""
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NAME = "fed_send_events"
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PATH_ARGS = ()
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def __init__(self, hs):
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super(ReplicationFederationSendEventsRestServlet, self).__init__(hs)
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self.store = hs.get_datastore()
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self.storage = hs.get_storage()
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self.clock = hs.get_clock()
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self.federation_handler = hs.get_handlers().federation_handler
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@staticmethod
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async def _serialize_payload(store, event_and_contexts, backfilled):
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"""
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Args:
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store
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event_and_contexts (list[tuple[FrozenEvent, EventContext]])
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backfilled (bool): Whether or not the events are the result of
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backfilling
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"""
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event_payloads = []
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for event, context in event_and_contexts:
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serialized_context = await context.serialize(event, store)
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event_payloads.append(
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{
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"event": event.get_pdu_json(),
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"room_version": event.room_version.identifier,
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"event_format_version": event.format_version,
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"internal_metadata": event.internal_metadata.get_dict(),
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"rejected_reason": event.rejected_reason,
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"context": serialized_context,
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}
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)
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payload = {"events": event_payloads, "backfilled": backfilled}
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return payload
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async def _handle_request(self, request):
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with Measure(self.clock, "repl_fed_send_events_parse"):
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content = parse_json_object_from_request(request)
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backfilled = content["backfilled"]
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event_payloads = content["events"]
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event_and_contexts = []
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for event_payload in event_payloads:
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event_dict = event_payload["event"]
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room_ver = KNOWN_ROOM_VERSIONS[event_payload["room_version"]]
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internal_metadata = event_payload["internal_metadata"]
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rejected_reason = event_payload["rejected_reason"]
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event = make_event_from_dict(
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event_dict, room_ver, internal_metadata, rejected_reason
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)
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context = EventContext.deserialize(
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self.storage, event_payload["context"]
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)
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event_and_contexts.append((event, context))
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logger.info("Got %d events from federation", len(event_and_contexts))
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max_stream_id = await self.federation_handler.persist_events_and_notify(
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event_and_contexts, backfilled
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)
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return 200, {"max_stream_id": max_stream_id}
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class ReplicationFederationSendEduRestServlet(ReplicationEndpoint):
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"""Handles EDUs newly received from federation, including persisting and
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notifying.
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Request format:
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POST /_synapse/replication/fed_send_edu/:edu_type/:txn_id
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{
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"origin": ...,
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"content: { ... }
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}
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"""
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NAME = "fed_send_edu"
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PATH_ARGS = ("edu_type",)
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def __init__(self, hs):
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super(ReplicationFederationSendEduRestServlet, self).__init__(hs)
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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self.registry = hs.get_federation_registry()
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@staticmethod
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async def _serialize_payload(edu_type, origin, content):
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return {"origin": origin, "content": content}
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async def _handle_request(self, request, edu_type):
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with Measure(self.clock, "repl_fed_send_edu_parse"):
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content = parse_json_object_from_request(request)
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origin = content["origin"]
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edu_content = content["content"]
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logger.info("Got %r edu from %s", edu_type, origin)
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result = await self.registry.on_edu(edu_type, origin, edu_content)
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return 200, result
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class ReplicationGetQueryRestServlet(ReplicationEndpoint):
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"""Handle responding to queries from federation.
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Request format:
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POST /_synapse/replication/fed_query/:query_type
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{
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"args": { ... }
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}
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"""
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NAME = "fed_query"
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PATH_ARGS = ("query_type",)
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# This is a query, so let's not bother caching
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CACHE = False
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def __init__(self, hs):
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super(ReplicationGetQueryRestServlet, self).__init__(hs)
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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self.registry = hs.get_federation_registry()
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@staticmethod
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async def _serialize_payload(query_type, args):
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"""
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Args:
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query_type (str)
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args (dict): The arguments received for the given query type
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"""
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return {"args": args}
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async def _handle_request(self, request, query_type):
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with Measure(self.clock, "repl_fed_query_parse"):
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content = parse_json_object_from_request(request)
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args = content["args"]
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logger.info("Got %r query", query_type)
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result = await self.registry.on_query(query_type, args)
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return 200, result
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class ReplicationCleanRoomRestServlet(ReplicationEndpoint):
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"""Called to clean up any data in DB for a given room, ready for the
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server to join the room.
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Request format:
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POST /_synapse/replication/fed_cleanup_room/:room_id/:txn_id
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{}
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"""
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NAME = "fed_cleanup_room"
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PATH_ARGS = ("room_id",)
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def __init__(self, hs):
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super(ReplicationCleanRoomRestServlet, self).__init__(hs)
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self.store = hs.get_datastore()
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@staticmethod
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async def _serialize_payload(room_id, args):
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"""
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Args:
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room_id (str)
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"""
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return {}
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async def _handle_request(self, request, room_id):
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await self.store.clean_room_for_join(room_id)
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return 200, {}
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class ReplicationStoreRoomOnInviteRestServlet(ReplicationEndpoint):
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"""Called to clean up any data in DB for a given room, ready for the
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server to join the room.
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Request format:
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POST /_synapse/replication/store_room_on_invite/:room_id/:txn_id
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{
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"room_version": "1",
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}
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"""
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NAME = "store_room_on_invite"
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PATH_ARGS = ("room_id",)
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def __init__(self, hs):
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super().__init__(hs)
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self.store = hs.get_datastore()
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@staticmethod
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async def _serialize_payload(room_id, room_version):
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return {"room_version": room_version.identifier}
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async def _handle_request(self, request, room_id):
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content = parse_json_object_from_request(request)
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room_version = KNOWN_ROOM_VERSIONS[content["room_version"]]
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await self.store.maybe_store_room_on_invite(room_id, room_version)
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return 200, {}
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def register_servlets(hs, http_server):
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ReplicationFederationSendEventsRestServlet(hs).register(http_server)
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ReplicationFederationSendEduRestServlet(hs).register(http_server)
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ReplicationGetQueryRestServlet(hs).register(http_server)
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ReplicationCleanRoomRestServlet(hs).register(http_server)
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ReplicationStoreRoomOnInviteRestServlet(hs).register(http_server)
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