diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 051468989f..133183a257 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -25,6 +25,7 @@ from synapse.api.constants import (
from synapse.api.errors import AuthError, StoreError, SynapseError, Codes
from synapse.util import stringutils, unwrapFirstError
from synapse.util.logcontext import preserve_context_over_fn
+from synapse.util.caches.response_cache import ResponseCache
from signedjson.sign import verify_signed_json
from signedjson.key import decode_verify_key_bytes
@@ -119,7 +120,8 @@ class RoomCreationHandler(BaseHandler):
invite_3pid_list = config.get("invite_3pid", [])
- is_public = config.get("visibility", None) == "public"
+ visibility = config.get("visibility", None)
+ is_public = visibility == "public"
# autogen room IDs and try to create it. We may clash, so just
# try a few times till one goes through, giving up eventually.
@@ -155,9 +157,9 @@ class RoomCreationHandler(BaseHandler):
preset_config = config.get(
"preset",
- RoomCreationPreset.PUBLIC_CHAT
- if is_public
- else RoomCreationPreset.PRIVATE_CHAT
+ RoomCreationPreset.PRIVATE_CHAT
+ if visibility == "private"
+ else RoomCreationPreset.PUBLIC_CHAT
)
raw_initial_state = config.get("initial_state", [])
@@ -938,61 +940,79 @@ class RoomMemberHandler(BaseHandler):
class RoomListHandler(BaseHandler):
+ def __init__(self, hs):
+ super(RoomListHandler, self).__init__(hs)
+ self.response_cache = ResponseCache()
- @defer.inlineCallbacks
def get_public_room_list(self):
+ result = self.response_cache.get(())
+ if not result:
+ result = self.response_cache.set((), self._get_public_room_list())
+ return result
+
+ @defer.inlineCallbacks
+ def _get_public_room_list(self):
room_ids = yield self.store.get_public_room_ids()
@defer.inlineCallbacks
def handle_room(room_id):
aliases = yield self.store.get_aliases_for_room(room_id)
- if not aliases:
- defer.returnValue(None)
- state = yield self.state_handler.get_current_state(room_id)
+ # We pull each bit of state out indvidually to avoid pulling the
+ # full state into memory. Due to how the caching works this should
+ # be fairly quick, even if not originally in the cache.
+ def get_state(etype, state_key):
+ return self.state_handler.get_current_state(room_id, etype, state_key)
+
+ # Double check that this is actually a public room.
+ join_rules_event = yield get_state(EventTypes.JoinRules, "")
+ if join_rules_event:
+ join_rule = join_rules_event.content.get("join_rule", None)
+ if join_rule and join_rule != JoinRules.PUBLIC:
+ defer.returnValue(None)
- result = {"aliases": aliases, "room_id": room_id}
+ result = {"room_id": room_id}
+ if aliases:
+ result["aliases"] = aliases
- name_event = state.get((EventTypes.Name, ""), None)
+ name_event = yield get_state(EventTypes.Name, "")
if name_event:
name = name_event.content.get("name", None)
if name:
result["name"] = name
- topic_event = state.get((EventTypes.Topic, ""), None)
+ topic_event = yield get_state(EventTypes.Topic, "")
if topic_event:
topic = topic_event.content.get("topic", None)
if topic:
result["topic"] = topic
- canonical_event = state.get((EventTypes.CanonicalAlias, ""), None)
+ canonical_event = yield get_state(EventTypes.CanonicalAlias, "")
if canonical_event:
canonical_alias = canonical_event.content.get("alias", None)
if canonical_alias:
result["canonical_alias"] = canonical_alias
- visibility_event = state.get((EventTypes.RoomHistoryVisibility, ""), None)
+ visibility_event = yield get_state(EventTypes.RoomHistoryVisibility, "")
visibility = None
if visibility_event:
visibility = visibility_event.content.get("history_visibility", None)
result["world_readable"] = visibility == "world_readable"
- guest_event = state.get((EventTypes.GuestAccess, ""), None)
+ guest_event = yield get_state(EventTypes.GuestAccess, "")
guest = None
if guest_event:
guest = guest_event.content.get("guest_access", None)
result["guest_can_join"] = guest == "can_join"
- avatar_event = state.get(("m.room.avatar", ""), None)
+ avatar_event = yield get_state("m.room.avatar", "")
if avatar_event:
avatar_url = avatar_event.content.get("url", None)
if avatar_url:
result["avatar_url"] = avatar_url
- result["num_joined_members"] = sum(
- 1 for (event_type, _), ev in state.items()
- if event_type == EventTypes.Member and ev.membership == Membership.JOIN
- )
+ joined_users = yield self.store.get_users_in_room(room_id)
+ result["num_joined_members"] = len(joined_users)
defer.returnValue(result)
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