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Merge pull request #738 from matrix-org/markjh/slaved_receipts

Add a slaved receipts store
This commit is contained in:
Mark Haines 2016-04-19 17:31:59 +01:00
commit f52dd35ac3
4 changed files with 104 additions and 3 deletions

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@ -0,0 +1,61 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# 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.
from ._base import BaseSlavedStore
from ._slaved_id_tracker import SlavedIdTracker
from synapse.storage import DataStore
from synapse.storage.receipts import ReceiptsStore
# So, um, we want to borrow a load of functions intended for reading from
# a DataStore, but we don't want to take functions that either write to the
# DataStore or are cached and don't have cache invalidation logic.
#
# Rather than write duplicate versions of those functions, or lift them to
# a common base class, we going to grab the underlying __func__ object from
# the method descriptor on the DataStore and chuck them into our class.
class SlavedReceiptsStore(BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedReceiptsStore, self).__init__(db_conn, hs)
self._receipts_id_gen = SlavedIdTracker(
db_conn, "receipts_linearized", "stream_id"
)
get_receipts_for_user = ReceiptsStore.__dict__["get_receipts_for_user"]
get_max_receipt_stream_id = DataStore.get_max_receipt_stream_id.__func__
get_all_updated_receipts = DataStore.get_all_updated_receipts.__func__
def stream_positions(self):
result = super(SlavedReceiptsStore, self).stream_positions()
result["receipts"] = self._receipts_id_gen.get_current_token()
return result
def process_replication(self, result):
stream = result.get("receipts")
if stream:
self._receipts_id_gen.advance(stream["position"])
for row in stream["rows"]:
room_id, receipt_type, user_id = row[1:4]
self.invalidate_caches_for_receipt(room_id, receipt_type, user_id)
return super(SlavedReceiptsStore, self).process_replication(result)
def invalidate_caches_for_receipt(self, room_id, receipt_type, user_id):
self.get_receipts_for_user.invalidate((user_id, receipt_type))

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@ -15,8 +15,6 @@
from twisted.internet import defer
from tests import unittest
from synapse.replication.slave.storage.events import SlavedEventStore
from mock import Mock, NonCallableMock
from tests.utils import setup_test_homeserver
from synapse.replication.resource import ReplicationResource
@ -38,7 +36,7 @@ class BaseSlavedStoreTestCase(unittest.TestCase):
self.replication = ReplicationResource(self.hs)
self.master_store = self.hs.get_datastore()
self.slaved_store = SlavedEventStore(self.hs.get_db_conn(), self.hs)
self.slaved_store = self.STORE_TYPE(self.hs.get_db_conn(), self.hs)
self.event_id = 0
@defer.inlineCallbacks

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@ -16,6 +16,7 @@ from ._base import BaseSlavedStoreTestCase
from synapse.events import FrozenEvent, _EventInternalMetadata
from synapse.events.snapshot import EventContext
from synapse.replication.slave.storage.events import SlavedEventStore
from synapse.storage.roommember import RoomsForUser
from twisted.internet import defer
@ -43,6 +44,8 @@ def patch__eq__(cls):
class SlavedEventStoreTestCase(BaseSlavedStoreTestCase):
STORE_TYPE = SlavedEventStore
def setUp(self):
# Patch up the equality operator for events so that we can check
# whether lists of events match using assertEquals

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@ -0,0 +1,39 @@
# Copyright 2016 OpenMarket Ltd
#
# 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.
from ._base import BaseSlavedStoreTestCase
from synapse.replication.slave.storage.receipts import SlavedReceiptsStore
from twisted.internet import defer
USER_ID = "@feeling:blue"
ROOM_ID = "!room:blue"
EVENT_ID = "$event:blue"
class SlavedReceiptTestCase(BaseSlavedStoreTestCase):
STORE_TYPE = SlavedReceiptsStore
@defer.inlineCallbacks
def test_receipt(self):
yield self.check("get_receipts_for_user", [USER_ID, "m.read"], {})
yield self.master_store.insert_receipt(
ROOM_ID, "m.read", USER_ID, [EVENT_ID], {}
)
yield self.replicate()
yield self.check("get_receipts_for_user", [USER_ID, "m.read"], {
ROOM_ID: EVENT_ID
})