diff options
| -rw-r--r-- | synapse/storage/events.py | 113 |
1 files changed, 59 insertions, 54 deletions
diff --git a/synapse/storage/events.py b/synapse/storage/events.py index b710505a7e..5db24e86f9 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -139,6 +139,9 @@ class _EventPeristenceQueue(object): pass +_EventCacheEntry = namedtuple("_EventCacheEntry", ("event", "redacted_event")) + + class EventsStore(SQLBaseStore): EVENT_ORIGIN_SERVER_TS_NAME = "event_origin_server_ts" @@ -738,53 +741,65 @@ class EventsStore(SQLBaseStore): event_id_list = event_ids event_ids = set(event_ids) - event_map = self._get_events_from_cache( + event_entry_map = self._get_events_from_cache( event_ids, - check_redacted=check_redacted, - get_prev_content=get_prev_content, allow_rejected=allow_rejected, ) - missing_events_ids = [e for e in event_ids if e not in event_map] + missing_events_ids = [e for e in event_ids if e not in event_entry_map] 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_entry_map.update(missing_events) - defer.returnValue([ - event_map[e_id] for e_id in event_id_list - if e_id in event_map and event_map[e_id] - ]) + events = [] + for event_id in event_id_list: + entry = event_entry_map.get(event_id, None) + if not entry: + continue + + if allow_rejected or not entry.event.rejected_reason: + if check_redacted and entry.redacted_event: + event = entry.redacted_event + else: + event = entry.event + + events.append(event) + + if get_prev_content: + if "replaces_state" in event.unsigned: + prev = yield self.get_event( + event.unsigned["replaces_state"], + get_prev_content=False, + allow_none=True, + ) + if prev: + event.unsigned = dict(event.unsigned) + event.unsigned["prev_content"] = prev.content + event.unsigned["prev_sender"] = prev.sender + + defer.returnValue(events) def _invalidate_get_event_cache(self, event_id): - for check_redacted in (False, True): - for get_prev_content in (False, True): - self._get_event_cache.invalidate( - (event_id, check_redacted, get_prev_content) - ) + self._get_event_cache.invalidate((event_id,)) - def _get_events_from_cache(self, events, check_redacted, get_prev_content, - allow_rejected): + def _get_events_from_cache(self, events, allow_rejected): event_map = {} for event_id in events: - try: - ret = self._get_event_cache.get( - (event_id, check_redacted, get_prev_content,) - ) + ret = self._get_event_cache.get((event_id,), None) + if not ret: + continue - if allow_rejected or not ret.rejected_reason: - event_map[event_id] = ret - else: - event_map[event_id] = None - except KeyError: - pass + if allow_rejected or not ret.event.rejected_reason: + event_map[event_id] = ret + else: + event_map[event_id] = None return event_map @@ -855,8 +870,7 @@ class EventsStore(SQLBaseStore): reactor.callFromThread(fire, event_list) @defer.inlineCallbacks - def _enqueue_events(self, events, check_redacted=True, - get_prev_content=False, allow_rejected=False): + def _enqueue_events(self, events, check_redacted=True, allow_rejected=False): """Fetches events from the database using the _event_fetch_list. This allows batch and bulk fetching of events - it allows us to fetch events without having to create a new transaction for each request for events. @@ -894,8 +908,6 @@ class EventsStore(SQLBaseStore): [ preserve_fn(self._get_event_from_row)( row["internal_metadata"], row["json"], row["redacts"], - check_redacted=check_redacted, - get_prev_content=get_prev_content, rejected_reason=row["rejects"], ) for row in rows @@ -904,7 +916,7 @@ class EventsStore(SQLBaseStore): ) defer.returnValue({ - e.event_id: e + e.event.event_id: e for e in res if e }) @@ -936,7 +948,6 @@ class EventsStore(SQLBaseStore): @defer.inlineCallbacks def _get_event_from_row(self, internal_metadata, js, redacted, - check_redacted=True, get_prev_content=False, rejected_reason=None): d = json.loads(js) internal_metadata = json.loads(internal_metadata) @@ -946,26 +957,27 @@ class EventsStore(SQLBaseStore): table="rejections", keyvalues={"event_id": rejected_reason}, retcol="reason", - desc="_get_event_from_row", + desc="_get_event_from_row_rejected_reason", ) - ev = FrozenEvent( + original_ev = FrozenEvent( d, internal_metadata_dict=internal_metadata, rejected_reason=rejected_reason, ) - if check_redacted and redacted: - ev = prune_event(ev) + redacted_event = None + if redacted: + redacted_event = prune_event(original_ev) redaction_id = yield self._simple_select_one_onecol( table="redactions", - keyvalues={"redacts": ev.event_id}, + keyvalues={"redacts": redacted_event.event_id}, retcol="event_id", - desc="_get_event_from_row", + desc="_get_event_from_row_redactions", ) - ev.unsigned["redacted_by"] = redaction_id + redacted_event.unsigned["redacted_by"] = redaction_id # Get the redaction event. because = yield self.get_event( @@ -977,23 +989,16 @@ class EventsStore(SQLBaseStore): if because: # It's fine to do add the event directly, since get_pdu_json # will serialise this field correctly - ev.unsigned["redacted_because"] = because + redacted_event.unsigned["redacted_because"] = because - if get_prev_content and "replaces_state" in ev.unsigned: - prev = yield self.get_event( - ev.unsigned["replaces_state"], - get_prev_content=False, - allow_none=True, - ) - if prev: - ev.unsigned["prev_content"] = prev.content - ev.unsigned["prev_sender"] = prev.sender - - self._get_event_cache.prefill( - (ev.event_id, check_redacted, get_prev_content), ev + cache_entry = _EventCacheEntry( + event=original_ev, + redacted_event=redacted_event, ) - defer.returnValue(ev) + self._get_event_cache.prefill((original_ev.event_id,), cache_entry) + + defer.returnValue(cache_entry) @defer.inlineCallbacks def count_daily_messages(self): |