76 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Python
		
	
	
| # Copyright 2022 The Matrix.org Foundation C.I.C.
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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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| 
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| import logging
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| from typing import TYPE_CHECKING, Tuple
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| 
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| from twisted.web.server import Request
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| 
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| from synapse.api.errors import SynapseError
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| from synapse.http.server import HttpServer
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| from synapse.replication.http._base import ReplicationEndpoint
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| from synapse.types import JsonDict
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| 
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| if TYPE_CHECKING:
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|     from synapse.server import HomeServer
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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| class ReplicationUpdateCurrentStateRestServlet(ReplicationEndpoint):
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|     """Recalculates the current state for a room, and persists it.
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| 
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|     The API looks like:
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| 
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|         POST /_synapse/replication/update_current_state/:room_id
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| 
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|         {}
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| 
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|         200 OK
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| 
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|         {}
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|     """
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| 
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|     NAME = "update_current_state"
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|     PATH_ARGS = ("room_id",)
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| 
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|     def __init__(self, hs: "HomeServer"):
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|         super().__init__(hs)
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| 
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|         self._state_handler = hs.get_state_handler()
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|         self._events_shard_config = hs.config.worker.events_shard_config
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|         self._instance_name = hs.get_instance_name()
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| 
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|     @staticmethod
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|     async def _serialize_payload(room_id: str) -> JsonDict:  # type: ignore[override]
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|         return {}
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| 
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|     async def _handle_request(  # type: ignore[override]
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|         self, request: Request, room_id: str
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|     ) -> Tuple[int, JsonDict]:
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|         writer_instance = self._events_shard_config.get_instance(room_id)
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|         if writer_instance != self._instance_name:
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|             raise SynapseError(
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|                 400, "/update_current_state request was routed to the wrong worker"
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|             )
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| 
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|         await self._state_handler.update_current_state(room_id)
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| 
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|         return 200, {}
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| 
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| 
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| def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
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|     if hs.get_instance_name() in hs.config.worker.writers.events:
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|         ReplicationUpdateCurrentStateRestServlet(hs).register(http_server)
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