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https://mau.dev/maunium/synapse.git
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748d8fdc7b
Some streams will occaisonally advance their positions without actually having any new rows to send over federation. Currently this means that the token will not advance on the workers, leading to them repeatedly sending a slightly out of date token. This in turns requires the master to hit the DB to check if there are any new rows, rather than hitting the no op logic where we check if the given token matches the current token. This commit changes the API to always return an entry if the position for a stream has changed, allowing workers to advance their tokens correctly.
56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
# 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 twisted.internet import defer
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from tests import unittest
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from mock import Mock, NonCallableMock
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from tests.utils import setup_test_homeserver
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from synapse.replication.resource import ReplicationResource
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class BaseSlavedStoreTestCase(unittest.TestCase):
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@defer.inlineCallbacks
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def setUp(self):
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self.hs = yield setup_test_homeserver(
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"blue",
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http_client=None,
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replication_layer=Mock(),
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ratelimiter=NonCallableMock(spec_set=[
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"send_message",
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]),
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)
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self.hs.get_ratelimiter().send_message.return_value = (True, 0)
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self.replication = ReplicationResource(self.hs)
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self.master_store = self.hs.get_datastore()
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self.slaved_store = self.STORE_TYPE(self.hs.get_db_conn(), self.hs)
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self.event_id = 0
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@defer.inlineCallbacks
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def replicate(self):
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streams = self.slaved_store.stream_positions()
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writer = yield self.replication.replicate(streams, 100)
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result = writer.finish()
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yield self.slaved_store.process_replication(result)
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@defer.inlineCallbacks
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def check(self, method, args, expected_result=None):
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master_result = yield getattr(self.master_store, method)(*args)
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slaved_result = yield getattr(self.slaved_store, method)(*args)
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if expected_result is not None:
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self.assertEqual(master_result, expected_result)
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self.assertEqual(slaved_result, expected_result)
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self.assertEqual(master_result, slaved_result)
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