3 files changed, 24 insertions, 0 deletions
diff --git a/changelog.d/5103.bugfix b/changelog.d/5103.bugfix
new file mode 100644
index 0000000000..590d80d58f
--- /dev/null
+++ b/changelog.d/5103.bugfix
@@ -0,0 +1 @@
+Fix bug where presence updates were sent to all servers in a room when a new server joined, rather than to just the new server.
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index bd1285b15c..59d53f1050 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -828,6 +828,11 @@ class PresenceHandler(object):
if typ != EventTypes.Member:
continue
+ if event_id is None:
+ # state has been deleted, so this is not a join. We only care about
+ # joins.
+ continue
+
event = yield self.store.get_event(event_id)
if event.content.get("membership") != Membership.JOIN:
# We only care about joins
diff --git a/synapse/storage/state_deltas.py b/synapse/storage/state_deltas.py
index 56e42f583d..31a0279b18 100644
--- a/synapse/storage/state_deltas.py
+++ b/synapse/storage/state_deltas.py
@@ -22,6 +22,24 @@ logger = logging.getLogger(__name__)
class StateDeltasStore(SQLBaseStore):
def get_current_state_deltas(self, prev_stream_id):
+ """Fetch a list of room state changes since the given stream id
+
+ Each entry in the result contains the following fields:
+ - stream_id (int)
+ - room_id (str)
+ - type (str): event type
+ - state_key (str):
+ - event_id (str|None): new event_id for this state key. None if the
+ state has been deleted.
+ - prev_event_id (str|None): previous event_id for this state key. None
+ if it's new state.
+
+ Args:
+ prev_stream_id (int): point to get changes since (exclusive)
+
+ Returns:
+ Deferred[list[dict]]: results
+ """
prev_stream_id = int(prev_stream_id)
if not self._curr_state_delta_stream_cache.has_any_entity_changed(
prev_stream_id
|
