mirror of
https://mau.dev/maunium/synapse.git
synced 2024-10-01 01:36:05 -04:00
79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
# Copyright 2020 The Matrix.org Foundation C.I.C.
|
||
|
|
#
|
||
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
# you may not use this file except in compliance with the License.
|
||
|
|
# You may obtain a copy of the License at
|
||
|
|
#
|
||
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
#
|
||
|
|
# Unless required by applicable law or agreed to in writing, software
|
||
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
# See the License for the specific language governing permissions and
|
||
|
|
# limitations under the License.
|
||
|
|
|
||
|
|
import logging
|
||
|
|
|
||
|
|
from synapse.api.errors import SynapseError
|
||
|
|
from synapse.http.servlet import parse_integer
|
||
|
|
from synapse.replication.http._base import ReplicationEndpoint
|
||
|
|
|
||
|
|
logger = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
|
||
|
|
class ReplicationGetStreamUpdates(ReplicationEndpoint):
|
||
|
|
"""Fetches stream updates from a server. Used for streams not persisted to
|
||
|
|
the database, e.g. typing notifications.
|
||
|
|
|
||
|
|
The API looks like:
|
||
|
|
|
||
|
|
GET /_synapse/replication/get_repl_stream_updates/events?from_token=0&to_token=10&limit=100
|
||
|
|
|
||
|
|
200 OK
|
||
|
|
|
||
|
|
{
|
||
|
|
updates: [ ... ],
|
||
|
|
upto_token: 10,
|
||
|
|
limited: False,
|
||
|
|
}
|
||
|
|
|
||
|
|
"""
|
||
|
|
|
||
|
|
NAME = "get_repl_stream_updates"
|
||
|
|
PATH_ARGS = ("stream_name",)
|
||
|
|
METHOD = "GET"
|
||
|
|
|
||
|
|
def __init__(self, hs):
|
||
|
|
super().__init__(hs)
|
||
|
|
|
||
|
|
# We pull the streams from the replication steamer (if we try and make
|
||
|
|
# them ourselves we end up in an import loop).
|
||
|
|
self.streams = hs.get_replication_streamer().get_streams()
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def _serialize_payload(stream_name, from_token, upto_token, limit):
|
||
|
|
return {"from_token": from_token, "upto_token": upto_token, "limit": limit}
|
||
|
|
|
||
|
|
async def _handle_request(self, request, stream_name):
|
||
|
|
stream = self.streams.get(stream_name)
|
||
|
|
if stream is None:
|
||
|
|
raise SynapseError(400, "Unknown stream")
|
||
|
|
|
||
|
|
from_token = parse_integer(request, "from_token", required=True)
|
||
|
|
upto_token = parse_integer(request, "upto_token", required=True)
|
||
|
|
limit = parse_integer(request, "limit", required=True)
|
||
|
|
|
||
|
|
updates, upto_token, limited = await stream.get_updates_since(
|
||
|
|
from_token, upto_token, limit
|
||
|
|
)
|
||
|
|
|
||
|
|
return (
|
||
|
|
200,
|
||
|
|
{"updates": updates, "upto_token": upto_token, "limited": limited},
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def register_servlets(hs, http_server):
|
||
|
|
ReplicationGetStreamUpdates(hs).register(http_server)
|