diff options
Diffstat (limited to 'synapse/handlers/sync.py')
| -rw-r--r-- | synapse/handlers/sync.py | 128 |
1 files changed, 125 insertions, 3 deletions
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index ee6b881de1..1891cd088c 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -61,18 +61,37 @@ class JoinedSyncResult(collections.namedtuple("JoinedSyncResult", [ return bool(self.timeline or self.state or self.ephemeral) +class ArchivedSyncResult(collections.namedtuple("JoinedSyncResult", [ + "room_id", + "timeline", + "state", +])): + __slots__ = [] + + def __nonzero__(self): + """Make the result appear empty if there are no updates. This is used + to tell if room needs to be part of the sync result. + """ + return bool(self.timeline or self.state) + + class InvitedSyncResult(collections.namedtuple("InvitedSyncResult", [ "room_id", "invite", ])): __slots__ = [] + def __nonzero__(self): + """Invited rooms should always be reported to the client""" + return True + class SyncResult(collections.namedtuple("SyncResult", [ "next_batch", # Token for the next sync "presence", # List of presence events for the user. "joined", # JoinedSyncResult for each joined room. "invited", # InvitedSyncResult for each invited room. + "archived", # ArchivedSyncResult for each archived room. ])): __slots__ = [] @@ -156,11 +175,14 @@ class SyncHandler(BaseHandler): ) room_list = yield self.store.get_rooms_for_user_where_membership_is( user_id=sync_config.user.to_string(), - membership_list=[Membership.INVITE, Membership.JOIN] + membership_list=[ + Membership.INVITE, Membership.JOIN, Membership.LEAVE + ] ) joined = [] invited = [] + archived = [] for event in room_list: if event.membership == Membership.JOIN: room_sync = yield self.initial_sync_for_joined_room( @@ -173,11 +195,23 @@ class SyncHandler(BaseHandler): room_id=event.room_id, invite=invite, )) + elif event.membership == Membership.LEAVE: + leave_token = now_token.copy_and_replace( + "room_key", "s%d" % (event.stream_ordering,) + ) + room_sync = yield self.initial_sync_for_archived_room( + sync_config=sync_config, + room_id=event.room_id, + leave_event_id=event.event_id, + leave_token=leave_token, + ) + archived.append(room_sync) defer.returnValue(SyncResult( presence=presence, joined=joined, invited=invited, + archived=archived, next_batch=now_token, )) @@ -205,6 +239,28 @@ class SyncHandler(BaseHandler): )) @defer.inlineCallbacks + def initial_sync_for_archived_room(self, room_id, sync_config, + leave_event_id, leave_token): + """Sync a room for a client which is starting without any state + Returns: + A Deferred JoinedSyncResult. + """ + + batch = yield self.load_filtered_recents( + room_id, sync_config, leave_token, + ) + + leave_state = yield self.store.get_state_for_events( + [leave_event_id], None + ) + + defer.returnValue(ArchivedSyncResult( + room_id=room_id, + timeline=batch, + state=leave_state[leave_event_id].values(), + )) + + @defer.inlineCallbacks def incremental_sync_with_gap(self, sync_config, since_token): """ Get the incremental delta needed to bring the client up to date with the server. @@ -257,18 +313,22 @@ class SyncHandler(BaseHandler): ) joined = [] + archived = [] if len(room_events) <= timeline_limit: # There is no gap in any of the rooms. Therefore we can just # partition the new events by room and return them. invite_events = [] + leave_events = [] events_by_room_id = {} for event in room_events: events_by_room_id.setdefault(event.room_id, []).append(event) if event.room_id not in joined_room_ids: if (event.type == EventTypes.Member - and event.membership == Membership.INVITE and event.state_key == sync_config.user.to_string()): - invite_events.append(event) + if event.membership == Membership.INVITE: + invite_events.append(event) + elif event.membership == Membership.LEAVE: + leave_events.append(event) for room_id in joined_room_ids: recents = events_by_room_id.get(room_id, []) @@ -296,11 +356,16 @@ class SyncHandler(BaseHandler): ) if room_sync: joined.append(room_sync) + else: invite_events = yield self.store.get_invites_for_user( sync_config.user.to_string() ) + leave_events = yield self.store.get_leave_events_for_user( + sync_config.user.to_string() + ) + for room_id in joined_room_ids: room_sync = yield self.incremental_sync_with_gap_for_room( room_id, sync_config, since_token, now_token, @@ -309,6 +374,12 @@ class SyncHandler(BaseHandler): if room_sync: joined.append(room_sync) + for leave_event in leave_events: + room_sync = yield self.incremental_sync_for_archived_room( + sync_config, leave_event, since_token + ) + archived.append(room_sync) + invited = [ InvitedSyncResult(room_id=event.room_id, invite=event) for event in invite_events @@ -318,6 +389,7 @@ class SyncHandler(BaseHandler): presence=presence, joined=joined, invited=invited, + archived=archived, next_batch=now_token, )) @@ -417,6 +489,56 @@ class SyncHandler(BaseHandler): defer.returnValue(room_sync) @defer.inlineCallbacks + def incremental_sync_for_archived_room(self, sync_config, leave_event, + since_token): + """ Get the incremental delta needed to bring the client up to date for + the archived room. + Returns: + A Deferred ArchivedSyncResult + """ + + stream_token = yield self.store.get_stream_token_for_event( + leave_event.event_id + ) + + leave_token = since_token.copy_and_replace("room_key", stream_token) + + batch = yield self.load_filtered_recents( + leave_event.room_id, sync_config, leave_token, since_token, + ) + + logging.debug("Recents %r", batch) + + # TODO(mjark): This seems racy since this isn't being passed a + # token to indicate what point in the stream this is + leave_state = yield self.store.get_state_for_events( + [leave_event.event_id], None + ) + + state_events_at_leave = leave_state[leave_event.event_id].values() + + state_at_previous_sync = yield self.get_state_at_previous_sync( + leave_event.room_id, since_token=since_token + ) + + state_events_delta = yield self.compute_state_delta( + since_token=since_token, + previous_state=state_at_previous_sync, + current_state=state_events_at_leave, + ) + + room_sync = ArchivedSyncResult( + room_id=leave_event.room_id, + timeline=batch, + state=state_events_delta, + ) + + logging.debug("Room sync: %r", room_sync) + + defer.returnValue(room_sync) + + + @defer.inlineCallbacks def get_state_at_previous_sync(self, room_id, since_token): """ Get the room state at the previous sync the client made. Returns: |