diff options
| -rw-r--r-- | synapse/handlers/sync.py | 75 | ||||
| -rw-r--r-- | synapse/storage/state.py | 33 |
2 files changed, 74 insertions, 34 deletions
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index c8dfd02e7b..5cd009a1c8 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -355,11 +355,11 @@ class SyncHandler(object): Returns: A Deferred map from ((type, state_key)->Event) """ - state = yield self.store.get_state_for_event(event.event_id) + state_ids = yield self.store.get_state_ids_for_event(event.event_id) if event.is_state(): - state = state.copy() - state[(event.type, event.state_key)] = event - defer.returnValue(state) + state_ids = state_ids.copy() + state_ids[(event.type, event.state_key)] = event.event_id + defer.returnValue(state_ids) @defer.inlineCallbacks def get_state_at(self, room_id, stream_position): @@ -412,57 +412,61 @@ class SyncHandler(object): with Measure(self.clock, "compute_state_delta"): if full_state: if batch: - current_state = yield self.store.get_state_for_event( + current_state_ids = yield self.store.get_state_ids_for_event( batch.events[-1].event_id ) - state = yield self.store.get_state_for_event( + state_ids = yield self.store.get_state_ids_for_event( batch.events[0].event_id ) else: - current_state = yield self.get_state_at( + current_state_ids = yield self.get_state_at( room_id, stream_position=now_token ) - state = current_state + state_ids = current_state_ids timeline_state = { - (event.type, event.state_key): event + (event.type, event.state_key): event.event_id for event in batch.events if event.is_state() } - state = _calculate_state( + state_ids = _calculate_state( timeline_contains=timeline_state, - timeline_start=state, + timeline_start=state_ids, previous={}, - current=current_state, + current=current_state_ids, ) elif batch.limited: state_at_previous_sync = yield self.get_state_at( room_id, stream_position=since_token ) - current_state = yield self.store.get_state_for_event( + current_state_ids = yield self.store.get_state_ids_for_event( batch.events[-1].event_id ) - state_at_timeline_start = yield self.store.get_state_for_event( + state_at_timeline_start = yield self.store.get_state_ids_for_event( batch.events[0].event_id ) timeline_state = { - (event.type, event.state_key): event + (event.type, event.state_key): event.event_id for event in batch.events if event.is_state() } - state = _calculate_state( + state_ids = _calculate_state( timeline_contains=timeline_state, timeline_start=state_at_timeline_start, previous=state_at_previous_sync, - current=current_state, + current=current_state_ids, ) else: - state = {} + state_ids = {} + + state = {} + if state_ids: + state = yield self.store.get_events(state_ids.values()) defer.returnValue({ (e.type, e.state_key): e @@ -766,8 +770,13 @@ class SyncHandler(object): # the last sync (even if we have since left). This is to make sure # we do send down the room, and with full state, where necessary if room_id in joined_room_ids or has_join: - old_state = yield self.get_state_at(room_id, since_token) - old_mem_ev = old_state.get((EventTypes.Member, user_id), None) + old_state_ids = yield self.get_state_at(room_id, since_token) + old_mem_ev_id = old_state_ids.get((EventTypes.Member, user_id), None) + old_mem_ev = None + if old_mem_ev_id: + old_mem_ev = yield self.store.get_event( + old_mem_ev_id, allow_none=True + ) if not old_mem_ev or old_mem_ev.membership != Membership.JOIN: newly_joined_rooms.append(room_id) @@ -1059,27 +1068,25 @@ def _calculate_state(timeline_contains, timeline_start, previous, current): Returns: dict """ - event_id_to_state = { - e.event_id: e - for e in itertools.chain( - timeline_contains.values(), - previous.values(), - timeline_start.values(), - current.values(), + event_id_to_key = { + e: key + for key, e in itertools.chain( + timeline_contains.items(), + previous.items(), + timeline_start.items(), + current.items(), ) } - c_ids = set(e.event_id for e in current.values()) - tc_ids = set(e.event_id for e in timeline_contains.values()) - p_ids = set(e.event_id for e in previous.values()) - ts_ids = set(e.event_id for e in timeline_start.values()) + c_ids = set(e for e in current.values()) + tc_ids = set(e for e in timeline_contains.values()) + p_ids = set(e for e in previous.values()) + ts_ids = set(e for e in timeline_start.values()) state_ids = ((c_ids | ts_ids) - p_ids) - tc_ids - evs = (event_id_to_state[e] for e in state_ids) return { - (e.type, e.state_key): e - for e in evs + event_id_to_key[e]: e for e in state_ids } diff --git a/synapse/storage/state.py b/synapse/storage/state.py index 22f7fb1aa1..b1d461fef5 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -284,6 +284,22 @@ class StateStore(SQLBaseStore): defer.returnValue({event: event_to_state[event] for event in event_ids}) @defer.inlineCallbacks + def get_state_ids_for_events(self, event_ids, types): + event_to_groups = yield self._get_state_group_for_events( + event_ids, + ) + + groups = set(event_to_groups.values()) + group_to_state = yield self._get_state_for_groups(groups, types) + + event_to_state = { + event_id: group_to_state[group] + for event_id, group in event_to_groups.items() + } + + defer.returnValue({event: event_to_state[event] for event in event_ids}) + + @defer.inlineCallbacks def get_state_for_event(self, event_id, types=None): """ Get the state dict corresponding to a particular event @@ -300,6 +316,23 @@ class StateStore(SQLBaseStore): state_map = yield self.get_state_for_events([event_id], types) defer.returnValue(state_map[event_id]) + @defer.inlineCallbacks + def get_state_ids_for_event(self, event_id, types=None): + """ + Get the state dict corresponding to a particular event + + Args: + event_id(str): event whose state should be returned + types(list[(str, str)]|None): List of (type, state_key) tuples + which are used to filter the state fetched. May be None, which + matches any key + + Returns: + A deferred dict from (type, state_key) -> state_event + """ + state_map = yield self.get_state_ids_for_events([event_id], types) + defer.returnValue(state_map[event_id]) + @cached(num_args=2, max_entries=10000) def _get_state_group_for_event(self, room_id, event_id): return self._simple_select_one_onecol( |