diff options
Diffstat (limited to 'synapse/storage/events.py')
| -rw-r--r-- | synapse/storage/events.py | 420 |
1 files changed, 246 insertions, 174 deletions
diff --git a/synapse/storage/events.py b/synapse/storage/events.py index 2caf0aae80..e3eabab13d 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -23,9 +23,7 @@ from synapse.events.utils import prune_event from synapse.util.logcontext import preserve_context_over_deferred from synapse.util.logutils import log_function from synapse.api.constants import EventTypes -from synapse.crypto.event_signing import compute_event_reference_hash -from syutil.base64util import decode_base64 from syutil.jsonutil import encode_json from contextlib import contextmanager @@ -47,6 +45,48 @@ EVENT_QUEUE_TIMEOUT_S = 0.1 # Timeout when waiting for requests for events class EventsStore(SQLBaseStore): @defer.inlineCallbacks + def persist_events(self, events_and_contexts, backfilled=False, + is_new_state=True): + if not events_and_contexts: + 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) + + @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) + ) + + with stream_ordering_manager as stream_orderings: + for (event, _), stream in zip(events_and_contexts, stream_orderings): + event.internal_metadata.stream_ordering = stream + + chunks = [ + events_and_contexts[x:x+100] + for x in xrange(0, len(events_and_contexts), 100) + ] + + for chunk in chunks: + # We can't easily parallelize these since different chunks + # might contain the same event. :( + yield self.runInteraction( + "persist_events", + self._persist_events_txn, + events_and_contexts=chunk, + backfilled=backfilled, + is_new_state=is_new_state, + ) + + @defer.inlineCallbacks @log_function def persist_event(self, event, context, backfilled=False, is_new_state=True, current_state=None): @@ -67,13 +107,13 @@ class EventsStore(SQLBaseStore): try: with stream_ordering_manager as stream_ordering: + event.internal_metadata.stream_ordering = stream_ordering yield self.runInteraction( "persist_event", self._persist_event_txn, event=event, context=context, backfilled=backfilled, - stream_ordering=stream_ordering, is_new_state=is_new_state, current_state=current_state, ) @@ -116,19 +156,14 @@ class EventsStore(SQLBaseStore): @log_function def _persist_event_txn(self, txn, event, context, backfilled, - stream_ordering=None, is_new_state=True, - current_state=None): - - # Remove the any existing cache entries for the event_id - txn.call_after(self._invalidate_get_event_cache, event.event_id) - + is_new_state=True, current_state=None): # We purposefully do this first since if we include a `current_state` # key, we *want* to update the `current_state_events` table if current_state: txn.call_after(self.get_current_state_for_key.invalidate_all) txn.call_after(self.get_rooms_for_user.invalidate_all) - txn.call_after(self.get_users_in_room.invalidate, event.room_id) - txn.call_after(self.get_joined_hosts_for_room.invalidate, event.room_id) + txn.call_after(self.get_users_in_room.invalidate, (event.room_id,)) + txn.call_after(self.get_joined_hosts_for_room.invalidate, (event.room_id,)) txn.call_after(self.get_room_name_and_aliases, event.room_id) self._simple_delete_txn( @@ -149,37 +184,78 @@ class EventsStore(SQLBaseStore): } ) - outlier = event.internal_metadata.is_outlier() + return self._persist_events_txn( + txn, + [(event, context)], + backfilled=backfilled, + is_new_state=is_new_state, + ) - if not outlier: - self._update_min_depth_for_room_txn( - txn, - event.room_id, - event.depth + @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: + txn.call_after(self._invalidate_get_event_cache, event.event_id) + + 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) ) - have_persisted = self._simple_select_one_txn( - txn, - table="events", - keyvalues={"event_id": event.event_id}, - retcols=["event_id", "outlier"], - allow_none=True, + for room_id, depth in depth_updates.items(): + self._update_min_depth_for_room_txn(txn, room_id, depth) + + txn.execute( + "SELECT event_id, outlier FROM events WHERE event_id in (%s)" % ( + ",".join(["?"] * len(events_and_contexts)), + ), + [event.event_id for event, _ in events_and_contexts] ) + have_persisted = { + event_id: outlier + for event_id, outlier in txn.fetchall() + } + + event_map = {} + to_remove = set() + for event, context in events_and_contexts: + # Handle the case of the list including the same event multiple + # times. The tricky thing here is when they differ by whether + # they are an outlier. + if event.event_id in event_map: + other = event_map[event.event_id] + + if not other.internal_metadata.is_outlier(): + to_remove.add(event) + continue + elif not event.internal_metadata.is_outlier(): + to_remove.add(event) + continue + else: + to_remove.add(other) - metadata_json = encode_json( - event.internal_metadata.get_dict(), - using_frozen_dicts=USE_FROZEN_DICTS - ).decode("UTF-8") - - # If we have already persisted this event, we don't need to do any - # more processing. - # The processing above must be done on every call to persist event, - # since they might not have happened on previous calls. For example, - # if we are persisting an event that we had persisted as an outlier, - # but is no longer one. - if have_persisted: - if not outlier and have_persisted["outlier"]: - self._store_state_groups_txn(txn, event, context) + event_map[event.event_id] = event + + if event.event_id not in have_persisted: + continue + + to_remove.add(event) + + outlier_persisted = have_persisted[event.event_id] + if not event.internal_metadata.is_outlier() and outlier_persisted: + self._store_state_groups_txn( + txn, event, context, + ) + + metadata_json = encode_json( + event.internal_metadata.get_dict(), + using_frozen_dicts=USE_FROZEN_DICTS + ).decode("UTF-8") sql = ( "UPDATE event_json SET internal_metadata = ?" @@ -198,94 +274,91 @@ class EventsStore(SQLBaseStore): sql, (False, event.event_id,) ) - return - - if not outlier: - self._store_state_groups_txn(txn, event, context) - self._handle_prev_events( - txn, - outlier=outlier, - event_id=event.event_id, - prev_events=event.prev_events, - room_id=event.room_id, + events_and_contexts = filter( + lambda ec: ec[0] not in to_remove, + events_and_contexts ) - if event.type == EventTypes.Member: - self._store_room_member_txn(txn, event) - elif event.type == EventTypes.Name: - self._store_room_name_txn(txn, event) - elif event.type == EventTypes.Topic: - self._store_room_topic_txn(txn, event) - elif event.type == EventTypes.Redaction: - self._store_redaction(txn, event) - - event_dict = { - k: v - for k, v in event.get_dict().items() - if k not in [ - "redacted", - "redacted_because", - ] - } + if not events_and_contexts: + return - self._simple_insert_txn( + self._store_mult_state_groups_txn(txn, [ + (event, context) + for event, context in events_and_contexts + if not event.internal_metadata.is_outlier() + ]) + + self._handle_mult_prev_events( txn, - table="event_json", - values={ - "event_id": event.event_id, - "room_id": event.room_id, - "internal_metadata": metadata_json, - "json": encode_json( - event_dict, using_frozen_dicts=USE_FROZEN_DICTS - ).decode("UTF-8"), - }, + events=[event for event, _ in events_and_contexts], ) - content = encode_json( - event.content, using_frozen_dicts=USE_FROZEN_DICTS - ).decode("UTF-8") - - vals = { - "topological_ordering": event.depth, - "event_id": event.event_id, - "type": event.type, - "room_id": event.room_id, - "content": content, - "processed": True, - "outlier": outlier, - "depth": event.depth, - } + for event, _ in events_and_contexts: + if event.type == EventTypes.Name: + self._store_room_name_txn(txn, event) + elif event.type == EventTypes.Topic: + self._store_room_topic_txn(txn, event) + elif event.type == EventTypes.Redaction: + self._store_redaction(txn, event) - unrec = { - k: v - for k, v in event.get_dict().items() - if k not in vals.keys() and k not in [ - "redacted", - "redacted_because", - "signatures", - "hashes", - "prev_events", + self._store_room_members_txn( + txn, + [ + event + for event, _ in events_and_contexts + if event.type == EventTypes.Member ] - } + ) - vals["unrecognized_keys"] = encode_json( - unrec, using_frozen_dicts=USE_FROZEN_DICTS - ).decode("UTF-8") + def event_dict(event): + return { + k: v + for k, v in event.get_dict().items() + if k not in [ + "redacted", + "redacted_because", + ] + } - sql = ( - "INSERT INTO events" - " (stream_ordering, topological_ordering, event_id, type," - " room_id, content, processed, outlier, depth)" - " VALUES (?,?,?,?,?,?,?,?,?)" + self._simple_insert_many_txn( + txn, + table="event_json", + values=[ + { + "event_id": event.event_id, + "room_id": event.room_id, + "internal_metadata": encode_json( + event.internal_metadata.get_dict(), + using_frozen_dicts=USE_FROZEN_DICTS + ).decode("UTF-8"), + "json": encode_json( + event_dict(event), using_frozen_dicts=USE_FROZEN_DICTS + ).decode("UTF-8"), + } + for event, _ in events_and_contexts + ], ) - txn.execute( - sql, - ( - stream_ordering, event.depth, event.event_id, event.type, - event.room_id, content, True, outlier, event.depth - ) + self._simple_insert_many_txn( + txn, + table="events", + values=[ + { + "stream_ordering": event.internal_metadata.stream_ordering, + "topological_ordering": event.depth, + "depth": event.depth, + "event_id": event.event_id, + "room_id": event.room_id, + "type": event.type, + "processed": True, + "outlier": event.internal_metadata.is_outlier(), + "content": encode_json( + event.content, using_frozen_dicts=USE_FROZEN_DICTS + ).decode("UTF-8"), + } + for event, _ in events_and_contexts + ], ) if context.rejected: @@ -293,20 +366,6 @@ class EventsStore(SQLBaseStore): txn, event.event_id, context.rejected ) - for hash_alg, hash_base64 in event.hashes.items(): - hash_bytes = decode_base64(hash_base64) - self._store_event_content_hash_txn( - txn, event.event_id, hash_alg, hash_bytes, - ) - - for prev_event_id, prev_hashes in event.prev_events: - for alg, hash_base64 in prev_hashes.items(): - hash_bytes = decode_base64(hash_base64) - self._store_prev_event_hash_txn( - txn, event.event_id, prev_event_id, alg, - hash_bytes - ) - self._simple_insert_many_txn( txn, table="event_auth", @@ -316,16 +375,22 @@ class EventsStore(SQLBaseStore): "room_id": event.room_id, "auth_id": auth_id, } + for event, _ in events_and_contexts for auth_id, _ in event.auth_events ], ) - (ref_alg, ref_hash_bytes) = compute_event_reference_hash(event) - self._store_event_reference_hash_txn( - txn, event.event_id, ref_alg, ref_hash_bytes + self._store_event_reference_hashes_txn( + txn, [event for event, _ in events_and_contexts] ) - if event.is_state(): + state_events_and_contexts = filter( + lambda i: i[0].is_state(), + events_and_contexts, + ) + + state_values = [] + for event, context in state_events_and_contexts: vals = { "event_id": event.event_id, "room_id": event.room_id, @@ -337,51 +402,55 @@ class EventsStore(SQLBaseStore): if hasattr(event, "replaces_state"): vals["prev_state"] = event.replaces_state - self._simple_insert_txn( - txn, - "state_events", - vals, - ) + state_values.append(vals) - self._simple_insert_many_txn( - txn, - table="event_edges", - values=[ - { - "event_id": event.event_id, - "prev_event_id": e_id, - "room_id": event.room_id, - "is_state": True, - } - for e_id, h in event.prev_state - ], - ) + self._simple_insert_many_txn( + txn, + table="state_events", + values=state_values, + ) - if is_new_state and not context.rejected: - txn.call_after( - self.get_current_state_for_key.invalidate, - event.room_id, event.type, event.state_key - ) + self._simple_insert_many_txn( + txn, + table="event_edges", + values=[ + { + "event_id": event.event_id, + "prev_event_id": prev_id, + "room_id": event.room_id, + "is_state": True, + } + for event, _ in state_events_and_contexts + for prev_id, _ in event.prev_state + ], + ) - if (event.type == EventTypes.Name - or event.type == EventTypes.Aliases): + if is_new_state: + for event, _ in state_events_and_contexts: + if not context.rejected: txn.call_after( - self.get_room_name_and_aliases.invalidate, - event.room_id + self.get_current_state_for_key.invalidate, + (event.room_id, event.type, event.state_key,) ) - self._simple_upsert_txn( - txn, - "current_state_events", - keyvalues={ - "room_id": event.room_id, - "type": event.type, - "state_key": event.state_key, - }, - values={ - "event_id": event.event_id, - } - ) + if event.type in [EventTypes.Name, EventTypes.Aliases]: + txn.call_after( + self.get_room_name_and_aliases.invalidate, + (event.room_id,) + ) + + self._simple_upsert_txn( + txn, + "current_state_events", + keyvalues={ + "room_id": event.room_id, + "type": event.type, + "state_key": event.state_key, + }, + values={ + "event_id": event.event_id, + } + ) return @@ -498,8 +567,9 @@ class EventsStore(SQLBaseStore): 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, check_redacted, get_prev_content) + ) def _get_event_txn(self, txn, event_id, check_redacted=True, get_prev_content=False, allow_rejected=False): @@ -520,7 +590,7 @@ class EventsStore(SQLBaseStore): for event_id in events: try: ret = self._get_event_cache.get( - event_id, check_redacted, get_prev_content + (event_id, check_redacted, get_prev_content,) ) if allow_rejected or not ret.rejected_reason: @@ -741,6 +811,8 @@ 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 if get_prev_content and "replaces_state" in ev.unsigned: @@ -753,7 +825,7 @@ class EventsStore(SQLBaseStore): ev.unsigned["prev_content"] = prev.get_dict()["content"] self._get_event_cache.prefill( - ev.event_id, check_redacted, get_prev_content, ev + (ev.event_id, check_redacted, get_prev_content), ev ) defer.returnValue(ev) @@ -810,7 +882,7 @@ class EventsStore(SQLBaseStore): ev.unsigned["prev_content"] = prev.get_dict()["content"] self._get_event_cache.prefill( - ev.event_id, check_redacted, get_prev_content, ev + (ev.event_id, check_redacted, get_prev_content), ev ) return ev |