diff options
Diffstat (limited to 'synapse/storage')
-rw-r--r-- | synapse/storage/__init__.py | 3 | ||||
-rw-r--r-- | synapse/storage/event_federation.py | 81 | ||||
-rw-r--r-- | synapse/storage/room.py | 146 | ||||
-rw-r--r-- | synapse/storage/schema/delta/35/public_room_list_change_stream.sql | 33 | ||||
-rw-r--r-- | synapse/storage/schema/delta/35/stream_order_to_extrem.sql | 37 | ||||
-rw-r--r-- | synapse/storage/stream.py | 3 |
6 files changed, 288 insertions, 15 deletions
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index a61e83d5de..0099a3f5bb 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -113,6 +113,9 @@ class DataStore(RoomMemberStore, RoomStore, self._device_inbox_id_gen = StreamIdGenerator( db_conn, "device_max_stream_id", "stream_id" ) + self._public_room_id_gen = StreamIdGenerator( + db_conn, "public_room_list_stream", "stream_id" + ) self._transaction_id_gen = IdGenerator(db_conn, "sent_transactions", "id") self._state_groups_id_gen = IdGenerator(db_conn, "state_groups", "id") diff --git a/synapse/storage/event_federation.py b/synapse/storage/event_federation.py index 0827946207..ec6dbe5492 100644 --- a/synapse/storage/event_federation.py +++ b/synapse/storage/event_federation.py @@ -16,6 +16,7 @@ from twisted.internet import defer from ._base import SQLBaseStore +from synapse.api.errors import StoreError from synapse.util.caches.descriptors import cached from unpaddedbase64 import encode_base64 @@ -36,6 +37,13 @@ class EventFederationStore(SQLBaseStore): and backfilling from another server respectively. """ + def __init__(self, hs): + super(EventFederationStore, self).__init__(hs) + + hs.get_clock().looping_call( + self._delete_old_forward_extrem_cache, 60 * 60 * 1000 + ) + def get_auth_chain(self, event_ids): return self.get_auth_chain_ids(event_ids).addCallback(self._get_events) @@ -270,6 +278,37 @@ class EventFederationStore(SQLBaseStore): ] ) + # We now insert into stream_ordering_to_exterm a mapping from room_id, + # new stream_ordering to new forward extremeties in the room. + # This allows us to later efficiently look up the forward extremeties + # for a room before a given stream_ordering + max_stream_ord = max( + ev.internal_metadata.stream_ordering for ev in events + ) + new_extrem = {} + for room_id in events_by_room: + event_ids = self._simple_select_onecol_txn( + txn, + table="event_forward_extremities", + keyvalues={"room_id": room_id}, + retcol="event_id", + ) + new_extrem[room_id] = event_ids + + self._simple_insert_many_txn( + txn, + table="stream_ordering_to_exterm", + values=[ + { + "room_id": room_id, + "event_id": event_id, + "stream_ordering": max_stream_ord, + } + for room_id, extrem_evs in new_extrem.items() + for event_id in extrem_evs + ] + ) + query = ( "INSERT INTO event_backward_extremities (event_id, room_id)" " SELECT ?, ? WHERE NOT EXISTS (" @@ -305,6 +344,48 @@ class EventFederationStore(SQLBaseStore): self.get_latest_event_ids_in_room.invalidate, (room_id,) ) + def get_forward_extremeties_for_room(self, room_id, stream_ordering): + """For a given room_id and stream_ordering, return the forward + extremeties of the room at that point in "time". + + Throws a StoreError if we have since purged the index for + stream_orderings from that point. + """ + + if stream_ordering <= self.stream_ordering_month_ago: + raise StoreError(400, "stream_ordering too old") + + sql = (""" + SELECT event_id FROM stream_ordering_to_exterm + INNER JOIN ( + SELECT room_id, MAX(stream_ordering) AS stream_ordering + FROM stream_ordering_to_exterm + WHERE stream_ordering < ? GROUP BY room_id + ) AS rms USING (room_id, stream_ordering) + WHERE room_id = ? + """) + + def get_forward_extremeties_for_room_txn(txn): + txn.execute(sql, (stream_ordering, room_id)) + rows = txn.fetchall() + return [event_id for event_id, in rows] + + return self.runInteraction( + "get_forward_extremeties_for_room", + get_forward_extremeties_for_room_txn + ) + + def _delete_old_forward_extrem_cache(self): + def _delete_old_forward_extrem_cache_txn(txn): + txn.execute( + "DELETE FROM stream_ordering_to_exterm WHERE stream_ordering < ?", + (self.stream_ordering_month_ago,) + ) + return self.runInteraction( + "_delete_old_forward_extrem_cache", + _delete_old_forward_extrem_cache_txn + ) + def get_backfill_events(self, room_id, event_list, limit): """Get a list of Events for a given topic that occurred before (and including) the events in event_list. Return a list of max size `limit` diff --git a/synapse/storage/room.py b/synapse/storage/room.py index 8251f58670..2ef13d7403 100644 --- a/synapse/storage/room.py +++ b/synapse/storage/room.py @@ -48,15 +48,31 @@ class RoomStore(SQLBaseStore): StoreError if the room could not be stored. """ try: - yield self._simple_insert( - "rooms", - { - "room_id": room_id, - "creator": room_creator_user_id, - "is_public": is_public, - }, - desc="store_room", - ) + def store_room_txn(txn, next_id): + self._simple_insert_txn( + txn, + "rooms", + { + "room_id": room_id, + "creator": room_creator_user_id, + "is_public": is_public, + }, + ) + if is_public: + self._simple_insert_txn( + txn, + table="public_room_list_stream", + values={ + "stream_id": next_id, + "room_id": room_id, + "visibility": is_public, + } + ) + with self._public_room_id_gen.get_next() as next_id: + yield self.runInteraction( + "store_room_txn", + store_room_txn, next_id, + ) except Exception as e: logger.error("store_room with room_id=%s failed: %s", room_id, e) raise StoreError(500, "Problem creating room.") @@ -77,13 +93,45 @@ class RoomStore(SQLBaseStore): allow_none=True, ) + @defer.inlineCallbacks def set_room_is_public(self, room_id, is_public): - return self._simple_update_one( - table="rooms", - keyvalues={"room_id": room_id}, - updatevalues={"is_public": is_public}, - desc="set_room_is_public", - ) + def set_room_is_public_txn(txn, next_id): + self._simple_update_one_txn( + txn, + table="rooms", + keyvalues={"room_id": room_id}, + updatevalues={"is_public": is_public}, + ) + + entries = self._simple_select_list_txn( + txn, + table="public_room_list_stream", + keyvalues={"room_id": room_id}, + retcols=("stream_id", "visibility"), + ) + + entries.sort(key=lambda r: r["stream_id"]) + + add_to_stream = True + if entries: + add_to_stream = bool(entries[-1]["visibility"]) != is_public + + if add_to_stream: + self._simple_insert_txn( + txn, + table="public_room_list_stream", + values={ + "stream_id": next_id, + "room_id": room_id, + "visibility": is_public, + } + ) + + with self._public_room_id_gen.get_next() as next_id: + yield self.runInteraction( + "set_room_is_public", + set_room_is_public_txn, next_id, + ) def get_public_room_ids(self): return self._simple_select_onecol( @@ -207,3 +255,71 @@ class RoomStore(SQLBaseStore): }, desc="add_event_report" ) + + def get_current_public_room_stream_id(self): + return self._public_room_id_gen.get_current_token() + + def get_public_room_ids_at_stream_id(self, stream_id): + return self.runInteraction( + "get_public_room_ids_at_stream_id", + self.get_public_room_ids_at_stream_id_txn, stream_id + ) + + def get_public_room_ids_at_stream_id_txn(self, txn, stream_id): + return { + rm + for rm, vis in self.get_published_at_stream_id_txn(txn, stream_id).items() + if vis + } + + def get_published_at_stream_id_txn(self, txn, stream_id): + sql = (""" + SELECT room_id, visibility FROM public_room_list_stream + INNER JOIN ( + SELECT room_id, max(stream_id) AS stream_id + FROM public_room_list_stream + WHERE stream_id <= ? + GROUP BY room_id + ) grouped USING (room_id, stream_id) + """) + + txn.execute(sql, (stream_id,)) + return dict(txn.fetchall()) + + def get_public_room_changes(self, prev_stream_id, new_stream_id): + def get_public_room_changes_txn(txn): + then_rooms = self.get_public_room_ids_at_stream_id_txn(txn, prev_stream_id) + + now_rooms_dict = self.get_published_at_stream_id_txn(txn, new_stream_id) + + now_rooms_visible = set( + rm for rm, vis in now_rooms_dict.items() if vis + ) + now_rooms_not_visible = set( + rm for rm, vis in now_rooms_dict.items() if not vis + ) + + newly_visible = now_rooms_visible - then_rooms + newly_unpublished = now_rooms_not_visible & then_rooms + + return newly_visible, newly_unpublished + + return self.runInteraction( + "get_public_room_changes", get_public_room_changes_txn + ) + + def get_all_new_public_rooms(self, prev_id, current_id, limit): + def get_all_new_public_rooms(txn): + sql = (""" + SELECT stream_id, room_id, visibility FROM public_room_list_stream + WHERE stream_id > ? AND stream_id <= ? + ORDER BY stream_id ASC + LIMIT ? + """) + + txn.execute(sql, (prev_id, current_id, limit,)) + return txn.fetchall() + + return self.runInteraction( + "get_all_new_public_rooms", get_all_new_public_rooms + ) diff --git a/synapse/storage/schema/delta/35/public_room_list_change_stream.sql b/synapse/storage/schema/delta/35/public_room_list_change_stream.sql new file mode 100644 index 0000000000..dd2bf2e28a --- /dev/null +++ b/synapse/storage/schema/delta/35/public_room_list_change_stream.sql @@ -0,0 +1,33 @@ +/* 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. + */ + + +CREATE TABLE public_room_list_stream ( + stream_id BIGINT NOT NULL, + room_id TEXT NOT NULL, + visibility BOOLEAN NOT NULL +); + +INSERT INTO public_room_list_stream (stream_id, room_id, visibility) + SELECT 1, room_id, is_public FROM rooms + WHERE is_public = CAST(1 AS BOOLEAN); + +CREATE INDEX public_room_list_stream_idx on public_room_list_stream( + stream_id +); + +CREATE INDEX public_room_list_stream_rm_idx on public_room_list_stream( + room_id, stream_id +); diff --git a/synapse/storage/schema/delta/35/stream_order_to_extrem.sql b/synapse/storage/schema/delta/35/stream_order_to_extrem.sql new file mode 100644 index 0000000000..2b945d8a57 --- /dev/null +++ b/synapse/storage/schema/delta/35/stream_order_to_extrem.sql @@ -0,0 +1,37 @@ +/* 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. + */ + + +CREATE TABLE stream_ordering_to_exterm ( + stream_ordering BIGINT NOT NULL, + room_id TEXT NOT NULL, + event_id TEXT NOT NULL +); + +INSERT INTO stream_ordering_to_exterm (stream_ordering, room_id, event_id) + SELECT stream_ordering, room_id, event_id FROM event_forward_extremities + INNER JOIN ( + SELECT room_id, max(stream_ordering) as stream_ordering FROM events + INNER JOIN event_forward_extremities USING (room_id, event_id) + GROUP BY room_id + ) AS rms USING (room_id); + +CREATE INDEX stream_ordering_to_exterm_idx on stream_ordering_to_exterm( + stream_ordering +); + +CREATE INDEX stream_ordering_to_exterm_rm_idx on stream_ordering_to_exterm( + room_id, stream_ordering +); diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py index 0577a0525b..07ea969d4d 100644 --- a/synapse/storage/stream.py +++ b/synapse/storage/stream.py @@ -531,6 +531,9 @@ class StreamStore(SQLBaseStore): ) defer.returnValue("t%d-%d" % (topo, token)) + def get_room_max_stream_ordering(self): + return self._stream_id_gen.get_current_token() + def get_stream_token_for_event(self, event_id): """The stream token for an event Args: |