diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index c880f61685..d7dcd1ce5b 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -16,7 +16,7 @@
from synapse.api.constants import Membership, EventTypes
from synapse.util.async import concurrently_execute
from synapse.util.logcontext import LoggingContext
-from synapse.util.metrics import Measure
+from synapse.util.metrics import Measure, measure_func
from synapse.util.caches.response_cache import ResponseCache
from synapse.push.clientformat import format_push_rules_for_user
from synapse.visibility import filter_events_for_client
@@ -115,6 +115,7 @@ class SyncResult(collections.namedtuple("SyncResult", [
"invited", # InvitedSyncResult for each invited room.
"archived", # ArchivedSyncResult for each archived room.
"to_device", # List of direct messages for the device.
+ "device_lists", # List of user_ids whose devices have chanegd
])):
__slots__ = []
@@ -129,7 +130,8 @@ class SyncResult(collections.namedtuple("SyncResult", [
self.invited or
self.archived or
self.account_data or
- self.to_device
+ self.to_device or
+ self.device_lists
)
@@ -544,6 +546,10 @@ class SyncHandler(object):
yield self._generate_sync_entry_for_to_device(sync_result_builder)
+ device_lists = yield self._generate_sync_entry_for_device_list(
+ sync_result_builder
+ )
+
defer.returnValue(SyncResult(
presence=sync_result_builder.presence,
account_data=sync_result_builder.account_data,
@@ -551,9 +557,33 @@ class SyncHandler(object):
invited=sync_result_builder.invited,
archived=sync_result_builder.archived,
to_device=sync_result_builder.to_device,
+ device_lists=device_lists,
next_batch=sync_result_builder.now_token,
))
+ @measure_func("_generate_sync_entry_for_device_list")
+ @defer.inlineCallbacks
+ def _generate_sync_entry_for_device_list(self, sync_result_builder):
+ user_id = sync_result_builder.sync_config.user.to_string()
+ since_token = sync_result_builder.since_token
+
+ if since_token and since_token.device_list_key:
+ rooms = yield self.store.get_rooms_for_user(user_id)
+ room_ids = set(r.room_id for r in rooms)
+
+ user_ids_changed = set()
+ changed = yield self.store.get_user_whose_devices_changed(
+ since_token.device_list_key
+ )
+ for other_user_id in changed:
+ other_rooms = yield self.store.get_rooms_for_user(other_user_id)
+ if room_ids.intersection(e.room_id for e in other_rooms):
+ user_ids_changed.add(other_user_id)
+
+ defer.returnValue(user_ids_changed)
+ else:
+ defer.returnValue([])
+
@defer.inlineCallbacks
def _generate_sync_entry_for_to_device(self, sync_result_builder):
"""Generates the portion of the sync response. Populates
|
