diff options
Diffstat (limited to 'synapse/handlers/room.py')
| -rw-r--r-- | synapse/handlers/room.py | 93 |
1 files changed, 75 insertions, 18 deletions
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 3d63b3c513..bf6b1c1535 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -20,7 +20,7 @@ from ._base import BaseHandler from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken from synapse.api.constants import ( - EventTypes, JoinRules, RoomCreationPreset, + EventTypes, JoinRules, RoomCreationPreset, Membership, ) from synapse.api.errors import AuthError, StoreError, SynapseError from synapse.util import stringutils @@ -36,6 +36,8 @@ import string logger = logging.getLogger(__name__) +REMOTE_ROOM_LIST_POLL_INTERVAL = 60 * 1000 + id_server_scheme = "https://" @@ -343,9 +345,15 @@ class RoomCreationHandler(BaseHandler): class RoomListHandler(BaseHandler): def __init__(self, hs): super(RoomListHandler, self).__init__(hs) - self.response_cache = ResponseCache() + self.response_cache = ResponseCache(hs) + self.remote_list_request_cache = ResponseCache(hs) + self.remote_list_cache = {} + self.fetch_looping_call = hs.get_clock().looping_call( + self.fetch_all_remote_lists, REMOTE_ROOM_LIST_POLL_INTERVAL + ) + self.fetch_all_remote_lists() - def get_public_room_list(self): + def get_local_public_room_list(self): result = self.response_cache.get(()) if not result: result = self.response_cache.set((), self._get_public_room_list()) @@ -359,14 +367,10 @@ class RoomListHandler(BaseHandler): @defer.inlineCallbacks def handle_room(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) + current_state = yield self.state_handler.get_current_state(room_id) # Double check that this is actually a public room. - join_rules_event = yield get_state(EventTypes.JoinRules, "") + join_rules_event = current_state.get((EventTypes.JoinRules, "")) if join_rules_event: join_rule = join_rules_event.content.get("join_rule", None) if join_rule and join_rule != JoinRules.PUBLIC: @@ -374,47 +378,51 @@ class RoomListHandler(BaseHandler): result = {"room_id": room_id} - joined_users = yield self.store.get_users_in_room(room_id) - if len(joined_users) == 0: + num_joined_users = len([ + 1 for _, event in current_state.items() + if event.type == EventTypes.Member + and event.membership == Membership.JOIN + ]) + if num_joined_users == 0: return - result["num_joined_members"] = len(joined_users) + result["num_joined_members"] = num_joined_users aliases = yield self.store.get_aliases_for_room(room_id) if aliases: result["aliases"] = aliases - name_event = yield get_state(EventTypes.Name, "") + name_event = yield current_state.get((EventTypes.Name, "")) if name_event: name = name_event.content.get("name", None) if name: result["name"] = name - topic_event = yield get_state(EventTypes.Topic, "") + topic_event = current_state.get((EventTypes.Topic, "")) if topic_event: topic = topic_event.content.get("topic", None) if topic: result["topic"] = topic - canonical_event = yield get_state(EventTypes.CanonicalAlias, "") + canonical_event = current_state.get((EventTypes.CanonicalAlias, "")) if canonical_event: canonical_alias = canonical_event.content.get("alias", None) if canonical_alias: result["canonical_alias"] = canonical_alias - visibility_event = yield get_state(EventTypes.RoomHistoryVisibility, "") + visibility_event = current_state.get((EventTypes.RoomHistoryVisibility, "")) visibility = None if visibility_event: visibility = visibility_event.content.get("history_visibility", None) result["world_readable"] = visibility == "world_readable" - guest_event = yield get_state(EventTypes.GuestAccess, "") + guest_event = current_state.get((EventTypes.GuestAccess, "")) guest = None if guest_event: guest = guest_event.content.get("guest_access", None) result["guest_can_join"] = guest == "can_join" - avatar_event = yield get_state("m.room.avatar", "") + avatar_event = current_state.get(("m.room.avatar", "")) if avatar_event: avatar_url = avatar_event.content.get("url", None) if avatar_url: @@ -427,6 +435,55 @@ class RoomListHandler(BaseHandler): # FIXME (erikj): START is no longer a valid value defer.returnValue({"start": "START", "end": "END", "chunk": results}) + @defer.inlineCallbacks + def fetch_all_remote_lists(self): + deferred = self.hs.get_replication_layer().get_public_rooms( + self.hs.config.secondary_directory_servers + ) + self.remote_list_request_cache.set((), deferred) + self.remote_list_cache = yield deferred + + @defer.inlineCallbacks + def get_aggregated_public_room_list(self): + """ + Get the public room list from this server and the servers + specified in the secondary_directory_servers config option. + XXX: Pagination... + """ + # We return the results from out cache which is updated by a looping call, + # unless we're missing a cache entry, in which case wait for the result + # of the fetch if there's one in progress. If not, omit that server. + wait = False + for s in self.hs.config.secondary_directory_servers: + if s not in self.remote_list_cache: + logger.warn("No cached room list from %s: waiting for fetch", s) + wait = True + break + + if wait and self.remote_list_request_cache.get(()): + yield self.remote_list_request_cache.get(()) + + public_rooms = yield self.get_local_public_room_list() + + # keep track of which room IDs we've seen so we can de-dup + room_ids = set() + + # tag all the ones in our list with our server name. + # Also add the them to the de-deping set + for room in public_rooms['chunk']: + room["server_name"] = self.hs.hostname + room_ids.add(room["room_id"]) + + # Now add the results from federation + for server_name, server_result in self.remote_list_cache.items(): + for room in server_result["chunk"]: + if room["room_id"] not in room_ids: + room["server_name"] = server_name + public_rooms["chunk"].append(room) + room_ids.add(room["room_id"]) + + defer.returnValue(public_rooms) + class RoomContextHandler(BaseHandler): @defer.inlineCallbacks |