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Create separate methods for getting messages to push

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for the email and http pushers rather than trying to make a single
method that will work with their conflicting requirements.

The http pusher needs to get the messages in ascending stream order, and
doesn't want to miss a message.

The email pusher needs to get the messages in descending timestamp order,
and doesn't mind if it misses messages.
This commit is contained in:
Mark Haines 2016-07-28 20:24:24 +01:00
parent 328ad6901d
commit 0a7d3cd00f
5 changed files with 204 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
synapse/push/emailpusher.py
View File

@ -140,9 +140,8 @@ class EmailPusher(object):
being run.
"""
start = 0 if INCLUDE_ALL_UNREAD_NOTIFS else self.last_stream_ordering
unprocessed = yield self.store.get_unread_push_actions_for_user_in_range(
self.user_id, start, self.max_stream_ordering
)
fn = self.store.get_unread_push_actions_for_user_in_range_for_email
unprocessed = yield fn(self.user_id, start, self.max_stream_ordering)
soonest_due_at = None

3
synapse/push/httppusher.py
View File

@ -141,7 +141,8 @@ class HttpPusher(object):
run once per pusher.
"""
unprocessed = yield self.store.get_unread_push_actions_for_user_in_range(
fn = self.store.get_unread_push_actions_for_user_in_range_for_http
unprocessed = yield fn(
self.user_id, self.last_stream_ordering, self.max_stream_ordering
)

7
synapse/replication/slave/storage/events.py
View File

@ -93,8 +93,11 @@ class SlavedEventStore(BaseSlavedStore):
StreamStore.__dict__["get_recent_event_ids_for_room"]
)
get_unread_push_actions_for_user_in_range = (
DataStore.get_unread_push_actions_for_user_in_range.__func__
get_unread_push_actions_for_user_in_range_for_http = (
DataStore.get_unread_push_actions_for_user_in_range_for_http.__func__
)
get_unread_push_actions_for_user_in_range_for_email = (
DataStore.get_unread_push_actions_for_user_in_range_for_email.__func__
)
get_push_action_users_in_range = (
DataStore.get_push_action_users_in_range.__func__

199
synapse/storage/event_push_actions.py
View File

@ -117,40 +117,149 @@ class EventPushActionsStore(SQLBaseStore):
defer.returnValue(ret)
@defer.inlineCallbacks
def get_unread_push_actions_for_user_in_range(self, user_id,
min_stream_ordering,
max_stream_ordering,
limit=20):
def get_unread_push_actions_for_user_in_range_for_http(
self, user_id, min_stream_ordering, max_stream_ordering, limit=20
):
"""Get a list of the most recent unread push actions for a given user,
within the given stream ordering range.
within the given stream ordering range. Called by the httppusher.
Args:
user_id (str)
min_stream_ordering
max_stream_ordering
limit (int)
user_id (str): The user to fetch push actions for.
min_stream_ordering(int): The exclusive lower bound on the
stream ordering of event push actions to fetch.
max_stream_ordering(int): The inclusive upper bound on the
stream ordering of event push actions to fetch.
limit (int): The maximum number of rows to return.
Returns:
A promise which resolves to a list of dicts with the keys "event_id",
"room_id", "stream_ordering", "actions".
The list will be ordered by ascending stream_ordering.
The list will have between 0~limit entries.
"""
# find rooms that have a read receipt in them and return the next
# push actions
def get_after_receipt(txn):
# find rooms that have a read receipt in them and return the next
# push actions
sql = (
"SELECT ep.event_id, ep.room_id, ep.stream_ordering, ep.actions"
" FROM ("
" SELECT room_id,"
" MAX(topological_ordering) as topological_ordering,"
" MAX(stream_ordering) as stream_ordering"
" FROM events"
" INNER JOIN receipts_linearized USING (room_id, event_id)"
" WHERE receipt_type = 'm.read' AND user_id = ?"
" GROUP BY room_id"
") AS rl,"
" event_push_actions AS ep"
" WHERE"
" ep.room_id = rl.room_id"
" AND ("
" ep.topological_ordering > rl.topological_ordering"
" OR ("
" ep.topological_ordering = rl.topological_ordering"
" AND ep.stream_ordering > rl.stream_ordering"
" )"
" )"
" AND ep.user_id = ?"
" AND ep.stream_ordering > ?"
" AND ep.stream_ordering <= ?"
" ORDER BY ep.stream_ordering ASC LIMIT ?"
)
args = [
user_id, user_id,
min_stream_ordering, max_stream_ordering, limit,
]
txn.execute(sql, args)
return txn.fetchall()
after_read_receipt = yield self.runInteraction(
"get_unread_push_actions_for_user_in_range_http_arr", get_after_receipt
)
# There are rooms with push actions in them but you don't have a read receipt in
# them e.g. rooms you've been invited to, so get push actions for rooms which do
# not have read receipts in them too.
def get_no_receipt(txn):
sql = (
"SELECT ep.event_id, ep.room_id, ep.stream_ordering, ep.actions,"
" e.received_ts"
" FROM event_push_actions AS ep"
" INNER JOIN events AS e USING (room_id, event_id)"
" WHERE"
" ep.room_id NOT IN ("
" SELECT room_id FROM receipts_linearized"
" WHERE receipt_type = 'm.read' AND user_id = ?"
" GROUP BY room_id"
" )"
" AND ep.user_id = ?"
" AND ep.stream_ordering > ?"
" AND ep.stream_ordering <= ?"
" ORDER BY ep.stream_ordering ASC LIMIT ?"
)
args = [
user_id, user_id,
min_stream_ordering, max_stream_ordering, limit,
]
txn.execute(sql, args)
return txn.fetchall()
no_read_receipt = yield self.runInteraction(
"get_unread_push_actions_for_user_in_range_http_nrr", get_no_receipt
)
notifs = [
{
"event_id": row[0],
"room_id": row[1],
"stream_ordering": row[2],
"actions": json.loads(row[3]),
} for row in after_read_receipt + no_read_receipt
]
# Now sort it so it's ordered correctly, since currently it will
# contain results from the first query, correctly ordered, followed
# by results from the second query, but we want them all ordered
# by stream_ordering, oldest first.
notifs.sort(key=lambda r: r['stream_ordering'])
# Take only up to the limit. We have to stop at the limit because
# one of the subqueries may have hit the limit.
defer.returnValue(notifs[:limit])
@defer.inlineCallbacks
def get_unread_push_actions_for_user_in_range_for_email(
self, user_id, min_stream_ordering, max_stream_ordering, limit=20
):
"""Get a list of the most recent unread push actions for a given user,
within the given stream ordering range. Called by the emailpusher
Args:
user_id (str): The user to fetch push actions for.
min_stream_ordering(int): The exclusive lower bound on the
stream ordering of event push actions to fetch.
max_stream_ordering(int): The inclusive upper bound on the
stream ordering of event push actions to fetch.
limit (int): The maximum number of rows to return.
Returns:
A promise which resolves to a list of dicts with the keys "event_id",
"room_id", "stream_ordering", "actions", "received_ts".
The list will be ordered by descending received_ts.
The list will have between 0~limit entries.
"""
# find rooms that have a read receipt in them and return the most recent
# push actions
def get_after_receipt(txn):
# XXX: Do we really need to GROUP BY user_id on the inner SELECT?
# XXX: NATURAL JOIN obfuscates which columns are being joined on the
# inner SELECT (the room_id and event_id), can we
# INNER JOIN ... USING instead?
sql = (
"SELECT ep.event_id, ep.room_id, ep.stream_ordering, ep.actions, "
"e.received_ts "
"FROM ("
" SELECT room_id, user_id, "
" max(topological_ordering) as topological_ordering, "
" max(stream_ordering) as stream_ordering "
" FROM events"
" NATURAL JOIN receipts_linearized WHERE receipt_type = 'm.read'"
" GROUP BY room_id, user_id"
"SELECT ep.event_id, ep.room_id, ep.stream_ordering, ep.actions,"
" e.received_ts"
" FROM ("
" SELECT room_id,"
" MAX(topological_ordering) as topological_ordering,"
" MAX(stream_ordering) as stream_ordering"
" FROM events"
" INNER JOIN receipts_linearized USING (room_id, event_id)"
" WHERE receipt_type = 'm.read' AND user_id = ?"
" GROUP BY room_id"
") AS rl,"
" event_push_actions AS ep"
" INNER JOIN events AS e USING (room_id, event_id)"
@ -165,47 +274,47 @@ class EventPushActionsStore(SQLBaseStore):
" )"
" AND ep.stream_ordering > ?"
" AND ep.user_id = ?"
" AND ep.user_id = rl.user_id"
" AND ep.stream_ordering <= ?"
" ORDER BY ep.stream_ordering DESC LIMIT ?"
)
args = [min_stream_ordering, user_id]
if max_stream_ordering is not None:
sql += " AND ep.stream_ordering <= ?"
args.append(max_stream_ordering)
sql += " ORDER BY ep.stream_ordering DESC LIMIT ?"
args.append(limit)
args = [
user_id, user_id,
min_stream_ordering, max_stream_ordering, limit,
]
txn.execute(sql, args)
return txn.fetchall()
after_read_receipt = yield self.runInteraction(
"get_unread_push_actions_for_user_in_range", get_after_receipt
"get_unread_push_actions_for_user_in_range_email_arr", get_after_receipt
)
# There are rooms with push actions in them but you don't have a read receipt in
# them e.g. rooms you've been invited to, so get push actions for rooms which do
# not have read receipts in them too.
def get_no_receipt(txn):
# XXX: Does the inner SELECT really need to select from the events table?
# We're just extracting the room_id, so isn't receipts_linearized enough?
sql = (
"SELECT ep.event_id, ep.room_id, ep.stream_ordering, ep.actions,"
" e.received_ts"
" FROM event_push_actions AS ep"
" JOIN events e ON ep.room_id = e.room_id AND ep.event_id = e.event_id"
" WHERE ep.room_id not in ("
" SELECT room_id FROM events NATURAL JOIN receipts_linearized"
" WHERE receipt_type = 'm.read' AND user_id = ?"
" GROUP BY room_id"
") AND ep.user_id = ? AND ep.stream_ordering > ?"
" INNER JOIN events AS e USING (room_id, event_id)"
" WHERE"
" ep.room_id NOT IN ("
" SELECT room_id FROM receipts_linearized"
" WHERE receipt_type = 'm.read' AND user_id = ?"
" GROUP BY room_id"
" )"
" AND ep.user_id = ?"
" AND ep.stream_ordering > ?"
" AND ep.stream_ordering <= ?"
" ORDER BY ep.stream_ordering DESC LIMIT ?"
)
args = [user_id, user_id, min_stream_ordering]
if max_stream_ordering is not None:
sql += " AND ep.stream_ordering <= ?"
args.append(max_stream_ordering)
sql += " ORDER BY ep.stream_ordering DESC LIMIT ?"
args.append(limit)
args = [
user_id, user_id,
min_stream_ordering, max_stream_ordering, limit,
]
txn.execute(sql, args)
return txn.fetchall()
no_read_receipt = yield self.runInteraction(
"get_unread_push_actions_for_user_in_range", get_no_receipt
"get_unread_push_actions_for_user_in_range_email_nrr", get_no_receipt
)
# Make a list of dicts from the two sets of results.

41
tests/storage/test_event_push_actions.py Normal file
View File

@ -0,0 +1,41 @@
# -*- 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 twisted.internet import defer
import tests.unittest
import tests.utils
USER_ID = "@user:example.com"
class EventPushActionsStoreTestCase(tests.unittest.TestCase):
@defer.inlineCallbacks
def setUp(self):
hs = yield tests.utils.setup_test_homeserver()
self.store = hs.get_datastore()
@defer.inlineCallbacks
def test_get_unread_push_actions_for_user_in_range_for_http(self):
yield self.store.get_unread_push_actions_for_user_in_range_for_http(
USER_ID, 0, 1000, 20
)
@defer.inlineCallbacks
def test_get_unread_push_actions_for_user_in_range_for_email(self):
yield self.store.get_unread_push_actions_for_user_in_range_for_email(
USER_ID, 0, 1000, 20
)