diff options
Diffstat (limited to 'synapse/storage/events.py')
| -rw-r--r-- | synapse/storage/events.py | 165 |
1 files changed, 111 insertions, 54 deletions
diff --git a/synapse/storage/events.py b/synapse/storage/events.py index ba368a3eca..285c586cfe 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -12,14 +12,14 @@ # 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 SQLBaseStore, _RollbackButIsFineException +from ._base import SQLBaseStore, _RollbackButIsFineException from twisted.internet import defer, reactor from synapse.events import FrozenEvent, USE_FROZEN_DICTS from synapse.events.utils import prune_event -from synapse.util.logcontext import preserve_context_over_deferred +from synapse.util.logcontext import preserve_fn, PreserveLoggingContext from synapse.util.logutils import log_function from synapse.api.constants import EventTypes @@ -66,19 +66,17 @@ class EventsStore(SQLBaseStore): return if backfilled: - if not self.min_token_deferred.called: - yield self.min_token_deferred - start = self.min_token - 1 - self.min_token -= len(events_and_contexts) + 1 - stream_orderings = range(start, self.min_token, -1) + start = self.min_stream_token - 1 + self.min_stream_token -= len(events_and_contexts) + 1 + stream_orderings = range(start, self.min_stream_token, -1) @contextmanager def stream_ordering_manager(): yield stream_orderings stream_ordering_manager = stream_ordering_manager() else: - stream_ordering_manager = yield self._stream_id_gen.get_next_mult( - self, len(events_and_contexts) + stream_ordering_manager = self._stream_id_gen.get_next_mult( + len(events_and_contexts) ) with stream_ordering_manager as stream_orderings: @@ -86,7 +84,7 @@ class EventsStore(SQLBaseStore): event.internal_metadata.stream_ordering = stream chunks = [ - events_and_contexts[x:x+100] + events_and_contexts[x:x + 100] for x in xrange(0, len(events_and_contexts), 100) ] @@ -107,13 +105,11 @@ class EventsStore(SQLBaseStore): is_new_state=True, current_state=None): stream_ordering = None if backfilled: - if not self.min_token_deferred.called: - yield self.min_token_deferred - self.min_token -= 1 - stream_ordering = self.min_token + self.min_stream_token -= 1 + stream_ordering = self.min_stream_token if stream_ordering is None: - stream_ordering_manager = yield self._stream_id_gen.get_next(self) + stream_ordering_manager = self._stream_id_gen.get_next() else: @contextmanager def stream_ordering_manager(): @@ -135,7 +131,7 @@ class EventsStore(SQLBaseStore): except _RollbackButIsFineException: pass - max_persisted_id = yield self._stream_id_gen.get_max_token(self) + max_persisted_id = yield self._stream_id_gen.get_max_token() defer.returnValue((stream_ordering, max_persisted_id)) @defer.inlineCallbacks @@ -209,17 +205,29 @@ class EventsStore(SQLBaseStore): @log_function def _persist_events_txn(self, txn, events_and_contexts, backfilled, is_new_state=True): - - # Remove the any existing cache entries for the event_ids - for event, _ in events_and_contexts: + depth_updates = {} + for event, context in events_and_contexts: + # Remove the any existing cache entries for the event_ids txn.call_after(self._invalidate_get_event_cache, event.event_id) + if not backfilled: + txn.call_after( + self._events_stream_cache.entity_has_changed, + event.room_id, event.internal_metadata.stream_ordering, + ) - depth_updates = {} - for event, _ in events_and_contexts: - if event.internal_metadata.is_outlier(): - continue - depth_updates[event.room_id] = max( - event.depth, depth_updates.get(event.room_id, event.depth) + if not event.internal_metadata.is_outlier(): + depth_updates[event.room_id] = max( + event.depth, depth_updates.get(event.room_id, event.depth) + ) + + if context.push_actions: + self._set_push_actions_for_event_and_users_txn( + txn, event, context.push_actions + ) + + if event.type == EventTypes.Redaction and event.redacts is not None: + self._remove_push_actions_for_event_id_txn( + txn, event.room_id, event.redacts ) for room_id, depth in depth_updates.items(): @@ -518,6 +526,9 @@ class EventsStore(SQLBaseStore): if not event_ids: defer.returnValue([]) + event_id_list = event_ids + event_ids = set(event_ids) + event_map = self._get_events_from_cache( event_ids, check_redacted=check_redacted, @@ -527,23 +538,18 @@ class EventsStore(SQLBaseStore): missing_events_ids = [e for e in event_ids if e not in event_map] - if not missing_events_ids: - defer.returnValue([ - event_map[e_id] for e_id in event_ids - if e_id in event_map and event_map[e_id] - ]) - - missing_events = yield self._enqueue_events( - missing_events_ids, - check_redacted=check_redacted, - get_prev_content=get_prev_content, - allow_rejected=allow_rejected, - ) + if missing_events_ids: + missing_events = yield self._enqueue_events( + missing_events_ids, + check_redacted=check_redacted, + get_prev_content=get_prev_content, + allow_rejected=allow_rejected, + ) - event_map.update(missing_events) + event_map.update(missing_events) defer.returnValue([ - event_map[e_id] for e_id in event_ids + event_map[e_id] for e_id in event_id_list if e_id in event_map and event_map[e_id] ]) @@ -662,14 +668,16 @@ class EventsStore(SQLBaseStore): for ids, d in lst: if not d.called: try: - d.callback([ - res[i] - for i in ids - if i in res - ]) + with PreserveLoggingContext(): + d.callback([ + res[i] + for i in ids + if i in res + ]) except: logger.exception("Failed to callback") - reactor.callFromThread(fire, event_list, row_dict) + with PreserveLoggingContext(): + reactor.callFromThread(fire, event_list, row_dict) except Exception as e: logger.exception("do_fetch") @@ -677,10 +685,12 @@ class EventsStore(SQLBaseStore): def fire(evs): for _, d in evs: if not d.called: - d.errback(e) + with PreserveLoggingContext(): + d.errback(e) if event_list: - reactor.callFromThread(fire, event_list) + with PreserveLoggingContext(): + reactor.callFromThread(fire, event_list) @defer.inlineCallbacks def _enqueue_events(self, events, check_redacted=True, @@ -707,18 +717,20 @@ class EventsStore(SQLBaseStore): should_start = False if should_start: - self.runWithConnection( - self._do_fetch - ) + with PreserveLoggingContext(): + self.runWithConnection( + self._do_fetch + ) - rows = yield preserve_context_over_deferred(events_d) + with PreserveLoggingContext(): + rows = yield events_d if not allow_rejected: rows[:] = [r for r in rows if not r["rejects"]] res = yield defer.gatherResults( [ - self._get_event_from_row( + preserve_fn(self._get_event_from_row)( row["internal_metadata"], row["json"], row["redacts"], check_redacted=check_redacted, get_prev_content=get_prev_content, @@ -738,7 +750,7 @@ class EventsStore(SQLBaseStore): rows = [] N = 200 for i in range(1 + len(events) / N): - evs = events[i*N:(i + 1)*N] + evs = events[i * N:(i + 1) * N] if not evs: break @@ -753,7 +765,7 @@ class EventsStore(SQLBaseStore): " LEFT JOIN rejections as rej USING (event_id)" " LEFT JOIN redactions as r ON e.event_id = r.redacts" " WHERE e.event_id IN (%s)" - ) % (",".join(["?"]*len(evs)),) + ) % (",".join(["?"] * len(evs)),) txn.execute(sql, evs) rows.extend(self.cursor_to_dict(txn)) @@ -1050,3 +1062,48 @@ class EventsStore(SQLBaseStore): yield self._end_background_update(self.EVENT_ORIGIN_SERVER_TS_NAME) defer.returnValue(result) + + def get_current_backfill_token(self): + """The current minimum token that backfilled events have reached""" + + # TODO: Fix race with the persit_event txn by using one of the + # stream id managers + return -self.min_stream_token + + def get_all_new_events(self, last_backfill_id, last_forward_id, + current_backfill_id, current_forward_id, limit): + """Get all the new events that have arrived at the server either as + new events or as backfilled events""" + def get_all_new_events_txn(txn): + sql = ( + "SELECT e.stream_ordering, ej.internal_metadata, ej.json" + " FROM events as e" + " JOIN event_json as ej" + " ON e.event_id = ej.event_id AND e.room_id = ej.room_id" + " WHERE ? < e.stream_ordering AND e.stream_ordering <= ?" + " ORDER BY e.stream_ordering ASC" + " LIMIT ?" + ) + if last_forward_id != current_forward_id: + txn.execute(sql, (last_forward_id, current_forward_id, limit)) + new_forward_events = txn.fetchall() + else: + new_forward_events = [] + + sql = ( + "SELECT -e.stream_ordering, ej.internal_metadata, ej.json" + " FROM events as e" + " JOIN event_json as ej" + " ON e.event_id = ej.event_id AND e.room_id = ej.room_id" + " WHERE ? > e.stream_ordering AND e.stream_ordering >= ?" + " ORDER BY e.stream_ordering DESC" + " LIMIT ?" + ) + if last_backfill_id != current_backfill_id: + txn.execute(sql, (-last_backfill_id, -current_backfill_id, limit)) + new_backfill_events = txn.fetchall() + else: + new_backfill_events = [] + + return (new_forward_events, new_backfill_events) + return self.runInteraction("get_all_new_events", get_all_new_events_txn) |