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# -*- coding: utf-8 -*-
# Copyright 2014 matrix.org
#
# 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.
"""This module contains REST servlets to do with event streaming, /events."""
from twisted.internet import defer
from synapse.api.errors import SynapseError
from synapse.api.streams import PaginationConfig
from synapse.rest.base import RestServlet, client_path_pattern
class EventStreamRestServlet(RestServlet):
PATTERN = client_path_pattern("/events$")
DEFAULT_LONGPOLL_TIME_MS = 5000
@defer.inlineCallbacks
def on_GET(self, request):
auth_user = yield self.auth.get_user_by_req(request)
handler = self.handlers.event_stream_handler
pagin_config = PaginationConfig.from_request(request)
timeout = EventStreamRestServlet.DEFAULT_LONGPOLL_TIME_MS
if "timeout" in request.args:
try:
timeout = int(request.args["timeout"][0])
except ValueError:
raise SynapseError(400, "timeout must be in milliseconds.")
chunk = yield handler.get_stream(auth_user.to_string(), pagin_config,
timeout=timeout)
defer.returnValue((200, chunk))
def on_OPTIONS(self, request):
return (200, {})
def register_servlets(hs, http_server):
EventStreamRestServlet(hs).register(http_server)
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