From 7fc1f1e2b68ad45e74bec122c31e30efd64599af Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 24 Mar 2017 11:46:22 +0000 Subject: [PATCH] Cache hosts in room --- synapse/handlers/presence.py | 3 +-- synapse/storage/roommember.py | 10 ++++++++++ 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py index 059260a8aa..1ede117c79 100644 --- a/synapse/handlers/presence.py +++ b/synapse/handlers/presence.py @@ -575,8 +575,7 @@ class PresenceHandler(object): if not local_states: continue - users = yield self.store.get_users_in_room(room_id) - hosts = set(get_domain_from_id(u) for u in users) + hosts = yield self.store.get_hosts_in_room(room_id) for host in hosts: hosts_to_states.setdefault(host, []).extend(local_states) diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py index 23127d3a95..367dbbbcf6 100644 --- a/synapse/storage/roommember.py +++ b/synapse/storage/roommember.py @@ -129,6 +129,16 @@ class RoomMemberStore(SQLBaseStore): with self._stream_id_gen.get_next() as stream_ordering: yield self.runInteraction("locally_reject_invite", f, stream_ordering) + @cachedInlineCallbacks(max_entries=100000, iterable=True, cache_context=True) + def get_hosts_in_room(self, room_id, cache_context): + """Returns the set of all hosts currently in the room + """ + user_ids = yield self.get_users_in_room( + room_id, on_invalidate=cache_context.invalidate, + ) + hosts = frozenset(get_domain_from_id(user_id) for user_id in user_ids) + defer.returnValue(hosts) + @cached(max_entries=500000, iterable=True) def get_users_in_room(self, room_id): def f(txn):