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5016b162fc
The aim here is to move the command handling out of the TCP protocol classes and to also merge the client and server command handling (so that we can reuse them for redis protocol). This PR simply moves the client paths to the new `ReplicationCommandHandler`, a future PR will move the server paths too.
97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2019 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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from mock import Mock
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from synapse.replication.tcp.handler import ReplicationCommandHandler
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from synapse.replication.tcp.protocol import ClientReplicationStreamProtocol
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from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
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from tests import unittest
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from tests.server import FakeTransport
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class BaseStreamTestCase(unittest.HomeserverTestCase):
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"""Base class for tests of the replication streams"""
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def make_homeserver(self, reactor, clock):
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self.test_handler = Mock(wraps=TestReplicationDataHandler())
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return self.setup_test_homeserver(replication_data_handler=self.test_handler)
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def prepare(self, reactor, clock, hs):
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# build a replication server
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server_factory = ReplicationStreamProtocolFactory(hs)
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self.streamer = hs.get_replication_streamer()
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self.server = server_factory.buildProtocol(None)
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repl_handler = ReplicationCommandHandler(hs)
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repl_handler.handler = self.test_handler
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self.client = ClientReplicationStreamProtocol(
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hs, "client", "test", clock, repl_handler,
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)
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self._client_transport = None
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self._server_transport = None
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def reconnect(self):
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if self._client_transport:
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self.client.close()
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if self._server_transport:
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self.server.close()
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self._client_transport = FakeTransport(self.server, self.reactor)
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self.client.makeConnection(self._client_transport)
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self._server_transport = FakeTransport(self.client, self.reactor)
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self.server.makeConnection(self._server_transport)
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def disconnect(self):
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if self._client_transport:
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self._client_transport = None
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self.client.close()
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if self._server_transport:
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self._server_transport = None
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self.server.close()
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def replicate(self):
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"""Tell the master side of replication that something has happened, and then
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wait for the replication to occur.
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"""
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self.streamer.on_notifier_poke()
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self.pump(0.1)
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class TestReplicationDataHandler:
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"""Drop-in for ReplicationDataHandler which just collects RDATA rows"""
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def __init__(self):
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self.streams = set()
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self._received_rdata_rows = []
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def get_streams_to_replicate(self):
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positions = {s: 0 for s in self.streams}
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for stream, token, _ in self._received_rdata_rows:
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if stream in self.streams:
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positions[stream] = max(token, positions.get(stream, 0))
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return positions
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async def on_rdata(self, stream_name, token, rows):
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for r in rows:
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self._received_rdata_rows.append((stream_name, token, r))
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async def on_position(self, stream_name, token):
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pass
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