diff options
| -rw-r--r-- | synapse/replication/slave/storage/events.py | 54 | ||||
| -rw-r--r-- | synapse/replication/slave/storage/room.py | 21 | ||||
| -rw-r--r-- | synapse/storage/__init__.py | 32 | ||||
| -rw-r--r-- | synapse/storage/event_push_actions.py | 149 | ||||
| -rw-r--r-- | synapse/storage/room.py | 239 | ||||
| -rw-r--r-- | synapse/storage/stream.py | 357 | ||||
| -rw-r--r-- | synapse/util/logcontext.py | 20 |
7 files changed, 429 insertions, 443 deletions
diff --git a/synapse/replication/slave/storage/events.py b/synapse/replication/slave/storage/events.py index de0b26f437..ec634c1bf9 100644 --- a/synapse/replication/slave/storage/events.py +++ b/synapse/replication/slave/storage/events.py @@ -22,9 +22,8 @@ from synapse.storage.event_push_actions import EventPushActionsWorkerStore from synapse.storage.events_worker import EventsWorkerStore from synapse.storage.roommember import RoomMemberWorkerStore from synapse.storage.state import StateGroupWorkerStore -from synapse.storage.stream import StreamStore +from synapse.storage.stream import StreamWorkerStore from synapse.storage.signatures import SignatureStore -from synapse.util.caches.stream_change_cache import StreamChangeCache from ._base import BaseSlavedStore from ._slaved_id_tracker import SlavedIdTracker @@ -41,34 +40,18 @@ logger = logging.getLogger(__name__) class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore, - EventsWorkerStore, StateGroupWorkerStore, + StreamWorkerStore, EventsWorkerStore, StateGroupWorkerStore, BaseSlavedStore): def __init__(self, db_conn, hs): - super(SlavedEventStore, self).__init__(db_conn, hs) self._stream_id_gen = SlavedIdTracker( db_conn, "events", "stream_ordering", ) self._backfill_id_gen = SlavedIdTracker( db_conn, "events", "stream_ordering", step=-1 ) - events_max = self._stream_id_gen.get_current_token() - event_cache_prefill, min_event_val = self._get_cache_dict( - db_conn, "events", - entity_column="room_id", - stream_column="stream_ordering", - max_value=events_max, - ) - self._events_stream_cache = StreamChangeCache( - "EventsRoomStreamChangeCache", min_event_val, - prefilled_cache=event_cache_prefill, - ) - self._membership_stream_cache = StreamChangeCache( - "MembershipStreamChangeCache", events_max, - ) - self.stream_ordering_month_ago = 0 - self._stream_order_on_start = self.get_room_max_stream_ordering() + super(SlavedEventStore, self).__init__(db_conn, hs) # Cached functions can't be accessed through a class instance so we need # to reach inside the __dict__ to extract them. @@ -76,30 +59,6 @@ class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore, "get_latest_event_ids_in_room" ] - get_recent_event_ids_for_room = ( - StreamStore.__dict__["get_recent_event_ids_for_room"] - ) - has_room_changed_since = DataStore.has_room_changed_since.__func__ - - get_membership_changes_for_user = ( - DataStore.get_membership_changes_for_user.__func__ - ) - get_room_events_max_id = DataStore.get_room_events_max_id.__func__ - get_room_events_stream_for_room = ( - DataStore.get_room_events_stream_for_room.__func__ - ) - get_events_around = DataStore.get_events_around.__func__ - - get_recent_events_for_room = DataStore.get_recent_events_for_room.__func__ - get_room_events_stream_for_rooms = ( - DataStore.get_room_events_stream_for_rooms.__func__ - ) - get_stream_token_for_event = DataStore.get_stream_token_for_event.__func__ - - _set_before_and_after = staticmethod(DataStore._set_before_and_after) - - _get_events_around_txn = DataStore._get_events_around_txn.__func__ - get_backfill_events = DataStore.get_backfill_events.__func__ _get_backfill_events = DataStore._get_backfill_events.__func__ get_missing_events = DataStore.get_missing_events.__func__ @@ -120,8 +79,11 @@ class SlavedEventStore(RoomMemberWorkerStore, EventPushActionsWorkerStore, get_all_new_events_stream = DataStore.get_all_new_events_stream.__func__ - get_federation_out_pos = DataStore.get_federation_out_pos.__func__ - update_federation_out_pos = DataStore.update_federation_out_pos.__func__ + def get_room_max_stream_ordering(self): + return self._stream_id_gen.get_current_token() + + def get_room_min_stream_ordering(self): + return self._backfill_id_gen.get_current_token() get_latest_event_ids_and_hashes_in_room = ( DataStore.get_latest_event_ids_and_hashes_in_room.__func__ diff --git a/synapse/replication/slave/storage/room.py b/synapse/replication/slave/storage/room.py index f510384033..5ae1670157 100644 --- a/synapse/replication/slave/storage/room.py +++ b/synapse/replication/slave/storage/room.py @@ -14,32 +14,19 @@ # limitations under the License. from ._base import BaseSlavedStore -from synapse.storage import DataStore -from synapse.storage.room import RoomStore +from synapse.storage.room import RoomWorkerStore from ._slaved_id_tracker import SlavedIdTracker -class RoomStore(BaseSlavedStore): +class RoomStore(RoomWorkerStore, BaseSlavedStore): def __init__(self, db_conn, hs): super(RoomStore, self).__init__(db_conn, hs) self._public_room_id_gen = SlavedIdTracker( db_conn, "public_room_list_stream", "stream_id" ) - get_public_room_ids = DataStore.get_public_room_ids.__func__ - get_current_public_room_stream_id = ( - DataStore.get_current_public_room_stream_id.__func__ - ) - get_public_room_ids_at_stream_id = ( - RoomStore.__dict__["get_public_room_ids_at_stream_id"] - ) - get_public_room_ids_at_stream_id_txn = ( - DataStore.get_public_room_ids_at_stream_id_txn.__func__ - ) - get_published_at_stream_id_txn = ( - DataStore.get_published_at_stream_id_txn.__func__ - ) - get_public_room_changes = DataStore.get_public_room_changes.__func__ + def get_current_public_room_stream_id(self): + return self._public_room_id_gen.get_current_token() def stream_positions(self): result = super(RoomStore, self).stream_positions() diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index 0f136f8a06..de00cae447 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -20,7 +20,6 @@ from synapse.storage.devices import DeviceStore from .appservice import ( ApplicationServiceStore, ApplicationServiceTransactionStore ) -from ._base import LoggingTransaction from .directory import DirectoryStore from .events import EventsStore from .presence import PresenceStore, UserPresenceState @@ -141,22 +140,6 @@ class DataStore(RoomMemberStore, RoomStore, else: self._cache_id_gen = None - events_max = self._stream_id_gen.get_current_token() - event_cache_prefill, min_event_val = self._get_cache_dict( - db_conn, "events", - entity_column="room_id", - stream_column="stream_ordering", - max_value=events_max, - ) - self._events_stream_cache = StreamChangeCache( - "EventsRoomStreamChangeCache", min_event_val, - prefilled_cache=event_cache_prefill, - ) - - self._membership_stream_cache = StreamChangeCache( - "MembershipStreamChangeCache", events_max, - ) - self._presence_on_startup = self._get_active_presence(db_conn) presence_cache_prefill, min_presence_val = self._get_cache_dict( @@ -204,6 +187,7 @@ class DataStore(RoomMemberStore, RoomStore, "DeviceListFederationStreamChangeCache", device_list_max, ) + events_max = self._stream_id_gen.get_current_token() curr_state_delta_prefill, min_curr_state_delta_id = self._get_cache_dict( db_conn, "current_state_delta_stream", entity_column="room_id", @@ -228,20 +212,6 @@ class DataStore(RoomMemberStore, RoomStore, prefilled_cache=_group_updates_prefill, ) - cur = LoggingTransaction( - db_conn.cursor(), - name="_find_stream_orderings_for_times_txn", - database_engine=self.database_engine, - after_callbacks=[], - final_callbacks=[], - ) - self._find_stream_orderings_for_times_txn(cur) - cur.close() - - self.find_stream_orderings_looping_call = self._clock.looping_call( - self._find_stream_orderings_for_times, 10 * 60 * 1000 - ) - self._stream_order_on_start = self.get_room_max_stream_ordering() self._min_stream_order_on_start = self.get_room_min_stream_ordering() diff --git a/synapse/storage/event_push_actions.py b/synapse/storage/event_push_actions.py index 6454045c2d..7164293568 100644 --- a/synapse/storage/event_push_actions.py +++ b/synapse/storage/event_push_actions.py @@ -14,7 +14,7 @@ # See the License for the specific language governing permissions and # limitations under the License. -from ._base import SQLBaseStore +from synapse.storage._base import SQLBaseStore, LoggingTransaction from twisted.internet import defer from synapse.util.async import sleep from synapse.util.caches.descriptors import cachedInlineCallbacks @@ -64,6 +64,27 @@ def _deserialize_action(actions, is_highlight): class EventPushActionsWorkerStore(SQLBaseStore): + def __init__(self, db_conn, hs): + super(EventPushActionsWorkerStore, self).__init__(db_conn, hs) + + # These get correctly set by _find_stream_orderings_for_times_txn + self.stream_ordering_month_ago = None + self.stream_ordering_day_ago = None + + cur = LoggingTransaction( + db_conn.cursor(), + name="_find_stream_orderings_for_times_txn", + database_engine=self.database_engine, + after_callbacks=[], + final_callbacks=[], + ) + self._find_stream_orderings_for_times_txn(cur) + cur.close() + + self.find_stream_orderings_looping_call = self._clock.looping_call( + self._find_stream_orderings_for_times, 10 * 60 * 1000 + ) + @cachedInlineCallbacks(num_args=3, tree=True, max_entries=5000) def get_unread_event_push_actions_by_room_for_user( self, room_id, user_id, last_read_event_id @@ -443,6 +464,69 @@ class EventPushActionsWorkerStore(SQLBaseStore): desc="remove_push_actions_from_staging", ) + @defer.inlineCallbacks + def _find_stream_orderings_for_times(self): + yield self.runInteraction( + "_find_stream_orderings_for_times", + self._find_stream_orderings_for_times_txn + ) + + def _find_stream_orderings_for_times_txn(self, txn): + logger.info("Searching for stream ordering 1 month ago") + self.stream_ordering_month_ago = self._find_first_stream_ordering_after_ts_txn( + txn, self._clock.time_msec() - 30 * 24 * 60 * 60 * 1000 + ) + logger.info( + "Found stream ordering 1 month ago: it's %d", + self.stream_ordering_month_ago + ) + logger.info("Searching for stream ordering 1 day ago") + self.stream_ordering_day_ago = self._find_first_stream_ordering_after_ts_txn( + txn, self._clock.time_msec() - 24 * 60 * 60 * 1000 + ) + logger.info( + "Found stream ordering 1 day ago: it's %d", + self.stream_ordering_day_ago + ) + + def _find_first_stream_ordering_after_ts_txn(self, txn, ts): + """ + Find the stream_ordering of the first event that was received after + a given timestamp. This is relatively slow as there is no index on + received_ts but we can then use this to delete push actions before + this. + + received_ts must necessarily be in the same order as stream_ordering + and stream_ordering is indexed, so we manually binary search using + stream_ordering + """ + txn.execute("SELECT MAX(stream_ordering) FROM events") + max_stream_ordering = txn.fetchone()[0] + + if max_stream_ordering is None: + return 0 + + range_start = 0 + range_end = max_stream_ordering + + sql = ( + "SELECT received_ts FROM events" + " WHERE stream_ordering > ?" + " ORDER BY stream_ordering" + " LIMIT 1" + ) + + while range_end - range_start > 1: + middle = int((range_end + range_start) / 2) + txn.execute(sql, (middle,)) + middle_ts = txn.fetchone()[0] + if ts > middle_ts: + range_start = middle + else: + range_end = middle + + return range_end + class EventPushActionsStore(EventPushActionsWorkerStore): EPA_HIGHLIGHT_INDEX = "epa_highlight_index" @@ -651,69 +735,6 @@ class EventPushActionsStore(EventPushActionsWorkerStore): """, (room_id, user_id, stream_ordering)) @defer.inlineCallbacks - def _find_stream_orderings_for_times(self): - yield self.runInteraction( - "_find_stream_orderings_for_times", - self._find_stream_orderings_for_times_txn - ) - - def _find_stream_orderings_for_times_txn(self, txn): - logger.info("Searching for stream ordering 1 month ago") - self.stream_ordering_month_ago = self._find_first_stream_ordering_after_ts_txn( - txn, self._clock.time_msec() - 30 * 24 * 60 * 60 * 1000 - ) - logger.info( - "Found stream ordering 1 month ago: it's %d", - self.stream_ordering_month_ago - ) - logger.info("Searching for stream ordering 1 day ago") - self.stream_ordering_day_ago = self._find_first_stream_ordering_after_ts_txn( - txn, self._clock.time_msec() - 24 * 60 * 60 * 1000 - ) - logger.info( - "Found stream ordering 1 day ago: it's %d", - self.stream_ordering_day_ago - ) - - def _find_first_stream_ordering_after_ts_txn(self, txn, ts): - """ - Find the stream_ordering of the first event that was received after - a given timestamp. This is relatively slow as there is no index on - received_ts but we can then use this to delete push actions before - this. - - received_ts must necessarily be in the same order as stream_ordering - and stream_ordering is indexed, so we manually binary search using - stream_ordering - """ - txn.execute("SELECT MAX(stream_ordering) FROM events") - max_stream_ordering = txn.fetchone()[0] - - if max_stream_ordering is None: - return 0 - - range_start = 0 - range_end = max_stream_ordering - - sql = ( - "SELECT received_ts FROM events" - " WHERE stream_ordering > ?" - " ORDER BY stream_ordering" - " LIMIT 1" - ) - - while range_end - range_start > 1: - middle = int((range_end + range_start) / 2) - txn.execute(sql, (middle,)) - middle_ts = txn.fetchone()[0] - if ts > middle_ts: - range_start = middle - else: - range_end = middle - - return range_end - - @defer.inlineCallbacks def _rotate_notifs(self): if self._doing_notif_rotation or self.stream_ordering_day_ago is None: return diff --git a/synapse/storage/room.py b/synapse/storage/room.py index fff6652e05..7f2c08d7a6 100644 --- a/synapse/storage/room.py +++ b/synapse/storage/room.py @@ -16,6 +16,7 @@ from twisted.internet import defer from synapse.api.errors import StoreError +from synapse.storage._base import SQLBaseStore from synapse.storage.search import SearchStore from synapse.util.caches.descriptors import cached, cachedInlineCallbacks @@ -38,7 +39,126 @@ RatelimitOverride = collections.namedtuple( ) -class RoomStore(SearchStore): +class RoomWorkerStore(SQLBaseStore): + def get_public_room_ids(self): + return self._simple_select_onecol( + table="rooms", + keyvalues={ + "is_public": True, + }, + retcol="room_id", + desc="get_public_room_ids", + ) + + @cached(num_args=2, max_entries=100) + def get_public_room_ids_at_stream_id(self, stream_id, network_tuple): + """Get pulbic rooms for a particular list, or across all lists. + + Args: + stream_id (int) + network_tuple (ThirdPartyInstanceID): The list to use (None, None) + means the main list, None means all lsits. + """ + return self.runInteraction( + "get_public_room_ids_at_stream_id", + self.get_public_room_ids_at_stream_id_txn, + stream_id, network_tuple=network_tuple + ) + + def get_public_room_ids_at_stream_id_txn(self, txn, stream_id, + network_tuple): + return { + rm + for rm, vis in self.get_published_at_stream_id_txn( + txn, stream_id, network_tuple=network_tuple + ).items() + if vis + } + + def get_published_at_stream_id_txn(self, txn, stream_id, network_tuple): + if network_tuple: + # We want to get from a particular list. No aggregation required. + + 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 <= ? %s + GROUP BY room_id + ) grouped USING (room_id, stream_id) + """) + + if network_tuple.appservice_id is not None: + txn.execute( + sql % ("AND appservice_id = ? AND network_id = ?",), + (stream_id, network_tuple.appservice_id, network_tuple.network_id,) + ) + else: + txn.execute( + sql % ("AND appservice_id IS NULL",), + (stream_id,) + ) + return dict(txn) + else: + # We want to get from all lists, so we need to aggregate the results + + logger.info("Executing full list") + + sql = (""" + SELECT room_id, visibility + FROM public_room_list_stream + INNER JOIN ( + SELECT + room_id, max(stream_id) AS stream_id, appservice_id, + network_id + FROM public_room_list_stream + WHERE stream_id <= ? + GROUP BY room_id, appservice_id, network_id + ) grouped USING (room_id, stream_id) + """) + + txn.execute( + sql, + (stream_id,) + ) + + results = {} + # A room is visible if its visible on any list. + for room_id, visibility in txn: + results[room_id] = bool(visibility) or results.get(room_id, False) + + return results + + def get_public_room_changes(self, prev_stream_id, new_stream_id, + network_tuple): + def get_public_room_changes_txn(txn): + then_rooms = self.get_public_room_ids_at_stream_id_txn( + txn, prev_stream_id, network_tuple + ) + + now_rooms_dict = self.get_published_at_stream_id_txn( + txn, new_stream_id, network_tuple + ) + + 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 + ) + + +class RoomStore(RoomWorkerStore, SearchStore): @defer.inlineCallbacks def store_room(self, room_id, room_creator_user_id, is_public): @@ -225,16 +345,6 @@ class RoomStore(SearchStore): ) self.hs.get_notifier().on_new_replication_data() - def get_public_room_ids(self): - return self._simple_select_onecol( - table="rooms", - keyvalues={ - "is_public": True, - }, - retcol="room_id", - desc="get_public_room_ids", - ) - def get_room_count(self): """Retrieve a list of all rooms """ @@ -326,113 +436,6 @@ class RoomStore(SearchStore): def get_current_public_room_stream_id(self): return self._public_room_id_gen.get_current_token() - @cached(num_args=2, max_entries=100) - def get_public_room_ids_at_stream_id(self, stream_id, network_tuple): - """Get pulbic rooms for a particular list, or across all lists. - - Args: - stream_id (int) - network_tuple (ThirdPartyInstanceID): The list to use (None, None) - means the main list, None means all lsits. - """ - return self.runInteraction( - "get_public_room_ids_at_stream_id", - self.get_public_room_ids_at_stream_id_txn, - stream_id, network_tuple=network_tuple - ) - - def get_public_room_ids_at_stream_id_txn(self, txn, stream_id, - network_tuple): - return { - rm - for rm, vis in self.get_published_at_stream_id_txn( - txn, stream_id, network_tuple=network_tuple - ).items() - if vis - } - - def get_published_at_stream_id_txn(self, txn, stream_id, network_tuple): - if network_tuple: - # We want to get from a particular list. No aggregation required. - - 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 <= ? %s - GROUP BY room_id - ) grouped USING (room_id, stream_id) - """) - - if network_tuple.appservice_id is not None: - txn.execute( - sql % ("AND appservice_id = ? AND network_id = ?",), - (stream_id, network_tuple.appservice_id, network_tuple.network_id,) - ) - else: - txn.execute( - sql % ("AND appservice_id IS NULL",), - (stream_id,) - ) - return dict(txn) - else: - # We want to get from all lists, so we need to aggregate the results - - logger.info("Executing full list") - - sql = (""" - SELECT room_id, visibility - FROM public_room_list_stream - INNER JOIN ( - SELECT - room_id, max(stream_id) AS stream_id, appservice_id, - network_id - FROM public_room_list_stream - WHERE stream_id <= ? - GROUP BY room_id, appservice_id, network_id - ) grouped USING (room_id, stream_id) - """) - - txn.execute( - sql, - (stream_id,) - ) - - results = {} - # A room is visible if its visible on any list. - for room_id, visibility in txn: - results[room_id] = bool(visibility) or results.get(room_id, False) - - return results - - def get_public_room_changes(self, prev_stream_id, new_stream_id, - network_tuple): - def get_public_room_changes_txn(txn): - then_rooms = self.get_public_room_ids_at_stream_id_txn( - txn, prev_stream_id, network_tuple - ) - - now_rooms_dict = self.get_published_at_stream_id_txn( - txn, new_stream_id, network_tuple - ) - - 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 = (""" diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py index 52bdce5be2..a2527d2a36 100644 --- a/synapse/storage/stream.py +++ b/synapse/storage/stream.py @@ -35,13 +35,17 @@ what sort order was used: from twisted.internet import defer -from ._base import SQLBaseStore +from synapse.storage._base import SQLBaseStore +from synapse.storage.events import EventsWorkerStore + from synapse.util.caches.descriptors import cached from synapse.api.constants import EventTypes from synapse.types import RoomStreamToken +from synapse.util.caches.stream_change_cache import StreamChangeCache from synapse.util.logcontext import make_deferred_yieldable, preserve_fn from synapse.storage.engines import PostgresEngine, Sqlite3Engine +import abc import logging @@ -143,81 +147,41 @@ def filter_to_clause(event_filter): return " AND ".join(clauses), args -class StreamStore(SQLBaseStore): - @defer.inlineCallbacks - def get_appservice_room_stream(self, service, from_key, to_key, limit=0): - # NB this lives here instead of appservice.py so we can reuse the - # 'private' StreamToken class in this file. - if limit: - limit = max(limit, MAX_STREAM_SIZE) - else: - limit = MAX_STREAM_SIZE +class StreamWorkerStore(EventsWorkerStore, SQLBaseStore): + """This is an abstract base class where subclasses must implement + `get_room_max_stream_ordering` and `get_room_min_stream_ordering` + which can be called in the initializer. + """ - # From and to keys should be integers from ordering. - from_id = RoomStreamToken.parse_stream_token(from_key) - to_id = RoomStreamToken.parse_stream_token(to_key) + __metaclass__ = abc.ABCMeta - if from_key == to_key: - defer.returnValue(([], to_key)) - return + def __init__(self, db_conn, hs): + super(StreamWorkerStore, self).__init__(db_conn, hs) - # select all the events between from/to with a sensible limit - sql = ( - "SELECT e.event_id, e.room_id, e.type, s.state_key, " - "e.stream_ordering FROM events AS e " - "LEFT JOIN state_events as s ON " - "e.event_id = s.event_id " - "WHERE e.stream_ordering > ? AND e.stream_ordering <= ? " - "ORDER BY stream_ordering ASC LIMIT %(limit)d " - ) % { - "limit": limit - } - - def f(txn): - # pull out all the events between the tokens - txn.execute(sql, (from_id.stream, to_id.stream,)) - rows = self.cursor_to_dict(txn) - - # Logic: - # - We want ALL events which match the AS room_id regex - # - We want ALL events which match the rooms represented by the AS - # room_alias regex - # - We want ALL events for rooms that AS users have joined. - # This is currently supported via get_app_service_rooms (which is - # used for the Notifier listener rooms). We can't reasonably make a - # SQL query for these room IDs, so we'll pull all the events between - # from/to and filter in python. - rooms_for_as = self._get_app_service_rooms_txn(txn, service) - room_ids_for_as = [r.room_id for r in rooms_for_as] - - def app_service_interested(row): - if row["room_id"] in room_ids_for_as: - return True - - if row["type"] == EventTypes.Member: - if service.is_interested_in_user(row.get("state_key")): - return True - return False - - return [r for r in rows if app_service_interested(r)] - - rows = yield self.runInteraction("get_appservice_room_stream", f) - - ret = yield self._get_events( - [r["event_id"] for r in rows], - get_prev_content=True + events_max = self.get_room_max_stream_ordering() + event_cache_prefill, min_event_val = self._get_cache_dict( + db_conn, "events", + entity_column="room_id", + stream_column="stream_ordering", + max_value=events_max, + ) + self._events_stream_cache = StreamChangeCache( + "EventsRoomStreamChangeCache", min_event_val, + prefilled_cache=event_cache_prefill, + ) + self._membership_stream_cache = StreamChangeCache( + "MembershipStreamChangeCache", events_max, ) - self._set_before_and_after(ret, rows, topo_order=from_id is None) + self._stream_order_on_start = self.get_room_max_stream_ordering() - if rows: - key = "s%d" % max(r["stream_ordering"] for r in rows) - else: - # Assume we didn't get anything because there was nothing to - # get. - key = to_key + @abc.abstractmethod + def get_room_max_stream_ordering(self): + raise NotImplementedError() - defer.returnValue((ret, key)) + @abc.abstractmethod + def get_room_min_stream_ordering(self): + raise NotImplementedError() @defer.inlineCallbacks def get_room_events_stream_for_rooms(self, room_ids, from_key, to_key, limit=0, @@ -381,88 +345,6 @@ class StreamStore(SQLBaseStore): defer.returnValue(ret) @defer.inlineCallbacks - def paginate_room_events(self, room_id, from_key, to_key=None, - direction='b', limit=-1, event_filter=None): - # Tokens really represent positions between elements, but we use - # the convention of pointing to the event before the gap. Hence - # we have a bit of asymmetry when it comes to equalities. - args = [False, room_id] - if direction == 'b': - order = "DESC" - bounds = upper_bound( - RoomStreamToken.parse(from_key), self.database_engine - ) - if to_key: - bounds = "%s AND %s" % (bounds, lower_bound( - RoomStreamToken.parse(to_key), self.database_engine - )) - else: - order = "ASC" - bounds = lower_bound( - RoomStreamToken.parse(from_key), self.database_engine - ) - if to_key: - bounds = "%s AND %s" % (bounds, upper_bound( - RoomStreamToken.parse(to_key), self.database_engine - )) - - filter_clause, filter_args = filter_to_clause(event_filter) - - if filter_clause: - bounds += " AND " + filter_clause - args.extend(filter_args) - - if int(limit) > 0: - args.append(int(limit)) - limit_str = " LIMIT ?" - else: - limit_str = "" - - sql = ( - "SELECT * FROM events" - " WHERE outlier = ? AND room_id = ? AND %(bounds)s" - " ORDER BY topological_ordering %(order)s," - " stream_ordering %(order)s %(limit)s" - ) % { - "bounds": bounds, - "order": order, - "limit": limit_str - } - - def f(txn): - txn.execute(sql, args) - - rows = self.cursor_to_dict(txn) - - if rows: - topo = rows[-1]["topological_ordering"] - toke = rows[-1]["stream_ordering"] - if direction == 'b': - # Tokens are positions between events. - # This token points *after* the last event in the chunk. - # We need it to point to the event before it in the chunk - # when we are going backwards so we subtract one from the - # stream part. - toke -= 1 - next_token = str(RoomStreamToken(topo, toke)) - else: - # TODO (erikj): We should work out what to do here instead. - next_token = to_key if to_key else from_key - - return rows, next_token, - - rows, token = yield self.runInteraction("paginate_room_events", f) - - events = yield self._get_events( - [r["event_id"] for r in rows], - get_prev_content=True - ) - - self._set_before_and_after(events, rows) - - defer.returnValue((events, token)) - - @defer.inlineCallbacks def get_recent_events_for_room(self, room_id, limit, end_token, from_token=None): rows, token = yield self.get_recent_event_ids_for_room( room_id, limit, end_token, from_token @@ -542,7 +424,7 @@ class StreamStore(SQLBaseStore): `room_id` causes it to return the current room specific topological token. """ - token = yield self._stream_id_gen.get_current_token() + token = yield self.get_room_max_stream_ordering() if room_id is None: defer.returnValue("s%d" % (token,)) else: @@ -552,12 +434,6 @@ 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_room_min_stream_ordering(self): - return self._backfill_id_gen.get_current_token() - def get_stream_token_for_event(self, event_id): """The stream token for an event Args: @@ -832,3 +708,168 @@ class StreamStore(SQLBaseStore): def has_room_changed_since(self, room_id, stream_id): return self._events_stream_cache.has_entity_changed(room_id, stream_id) + + +class StreamStore(StreamWorkerStore): + def get_room_max_stream_ordering(self): + return self._stream_id_gen.get_current_token() + + def get_room_min_stream_ordering(self): + return self._backfill_id_gen.get_current_token() + + @defer.inlineCallbacks + def get_appservice_room_stream(self, service, from_key, to_key, limit=0): + # NB this lives here instead of appservice.py so we can reuse the + # 'private' StreamToken class in this file. + if limit: + limit = max(limit, MAX_STREAM_SIZE) + else: + limit = MAX_STREAM_SIZE + + # From and to keys should be integers from ordering. + from_id = RoomStreamToken.parse_stream_token(from_key) + to_id = RoomStreamToken.parse_stream_token(to_key) + + if from_key == to_key: + defer.returnValue(([], to_key)) + return + + # select all the events between from/to with a sensible limit + sql = ( + "SELECT e.event_id, e.room_id, e.type, s.state_key, " + "e.stream_ordering FROM events AS e " + "LEFT JOIN state_events as s ON " + "e.event_id = s.event_id " + "WHERE e.stream_ordering > ? AND e.stream_ordering <= ? " + "ORDER BY stream_ordering ASC LIMIT %(limit)d " + ) % { + "limit": limit + } + + def f(txn): + # pull out all the events between the tokens + txn.execute(sql, (from_id.stream, to_id.stream,)) + rows = self.cursor_to_dict(txn) + + # Logic: + # - We want ALL events which match the AS room_id regex + # - We want ALL events which match the rooms represented by the AS + # room_alias regex + # - We want ALL events for rooms that AS users have joined. + # This is currently supported via get_app_service_rooms (which is + # used for the Notifier listener rooms). We can't reasonably make a + # SQL query for these room IDs, so we'll pull all the events between + # from/to and filter in python. + rooms_for_as = self._get_app_service_rooms_txn(txn, service) + room_ids_for_as = [r.room_id for r in rooms_for_as] + + def app_service_interested(row): + if row["room_id"] in room_ids_for_as: + return True + + if row["type"] == EventTypes.Member: + if service.is_interested_in_user(row.get("state_key")): + return True + return False + + return [r for r in rows if app_service_interested(r)] + + rows = yield self.runInteraction("get_appservice_room_stream", f) + + ret = yield self._get_events( + [r["event_id"] for r in rows], + get_prev_content=True + ) + + self._set_before_and_after(ret, rows, topo_order=from_id is None) + + if rows: + key = "s%d" % max(r["stream_ordering"] for r in rows) + else: + # Assume we didn't get anything because there was nothing to + # get. + key = to_key + + defer.returnValue((ret, key)) + + @defer.inlineCallbacks + def paginate_room_events(self, room_id, from_key, to_key=None, + direction='b', limit=-1, event_filter=None): + # Tokens really represent positions between elements, but we use + # the convention of pointing to the event before the gap. Hence + # we have a bit of asymmetry when it comes to equalities. + args = [False, room_id] + if direction == 'b': + order = "DESC" + bounds = upper_bound( + RoomStreamToken.parse(from_key), self.database_engine + ) + if to_key: + bounds = "%s AND %s" % (bounds, lower_bound( + RoomStreamToken.parse(to_key), self.database_engine + )) + else: + order = "ASC" + bounds = lower_bound( + RoomStreamToken.parse(from_key), self.database_engine + ) + if to_key: + bounds = "%s AND %s" % (bounds, upper_bound( + RoomStreamToken.parse(to_key), self.database_engine + )) + + filter_clause, filter_args = filter_to_clause(event_filter) + + if filter_clause: + bounds += " AND " + filter_clause + args.extend(filter_args) + + if int(limit) > 0: + args.append(int(limit)) + limit_str = " LIMIT ?" + else: + limit_str = "" + + sql = ( + "SELECT * FROM events" + " WHERE outlier = ? AND room_id = ? AND %(bounds)s" + " ORDER BY topological_ordering %(order)s," + " stream_ordering %(order)s %(limit)s" + ) % { + "bounds": bounds, + "order": order, + "limit": limit_str + } + + def f(txn): + txn.execute(sql, args) + + rows = self.cursor_to_dict(txn) + + if rows: + topo = rows[-1]["topological_ordering"] + toke = rows[-1]["stream_ordering"] + if direction == 'b': + # Tokens are positions between events. + # This token points *after* the last event in the chunk. + # We need it to point to the event before it in the chunk + # when we are going backwards so we subtract one from the + # stream part. + toke -= 1 + next_token = str(RoomStreamToken(topo, toke)) + else: + # TODO (erikj): We should work out what to do here instead. + next_token = to_key if to_key else from_key + + return rows, next_token, + + rows, token = yield self.runInteraction("paginate_room_events", f) + + events = yield self._get_events( + [r["event_id"] for r in rows], + get_prev_content=True + ) + + self._set_before_and_after(events, rows) + + defer.returnValue((events, token)) diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py index 94fa7cac98..a8dea15c1b 100644 --- a/synapse/util/logcontext.py +++ b/synapse/util/logcontext.py @@ -299,10 +299,6 @@ def preserve_fn(f): Useful for wrapping functions that return a deferred which you don't yield on. """ - def reset_context(result): - LoggingContext.set_current_context(LoggingContext.sentinel) - return result - def g(*args, **kwargs): current = LoggingContext.current_context() res = f(*args, **kwargs) @@ -323,12 +319,11 @@ def preserve_fn(f): # which is supposed to have a single entry and exit point. But # by spawning off another deferred, we are effectively # adding a new exit point.) - res.addBoth(reset_context) + res.addBoth(_set_context_cb, LoggingContext.sentinel) return res return g -@defer.inlineCallbacks def make_deferred_yieldable(deferred): """Given a deferred, make it follow the Synapse logcontext rules: @@ -342,9 +337,16 @@ def make_deferred_yieldable(deferred): (This is more-or-less the opposite operation to preserve_fn.) """ - with PreserveLoggingContext(): - r = yield deferred - defer.returnValue(r) + if isinstance(deferred, defer.Deferred) and not deferred.called: + prev_context = LoggingContext.set_current_context(LoggingContext.sentinel) + deferred.addBoth(_set_context_cb, prev_context) + return deferred + + +def _set_context_cb(result, context): + """A callback function which just sets the logging context""" + LoggingContext.set_current_context(context) + return result # modules to ignore in `logcontext_tracer` |