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authorErik Johnston <erik@matrix.org>2020-07-10 18:23:17 +0100
committerGitHub <noreply@github.com>2020-07-10 18:23:17 +0100
commitf1245dc3c0470de565a3a5df8cf3864aac0bbbba (patch)
tree2abc2d43bdb2aa171eb3b5bdc049d4ffd8c84b43 /synapse/handlers/federation.py
parentFix recursion error when fetching auth chain over federation (#7817) (diff)
downloadsynapse-f1245dc3c0470de565a3a5df8cf3864aac0bbbba.tar.xz
Fix resync remote devices on receive PDU in worker mode. (#7815)
The replication client requires that arguments are given as keyword
arguments, which was not done in this case. We also pull out the logic
so that we can catch and handle any exceptions raised, rather than
leaving them unhandled.
Diffstat (limited to 'synapse/handlers/federation.py')
-rw-r--r--synapse/handlers/federation.py27
1 files changed, 19 insertions, 8 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 930ae088c6..e43bccd721 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -61,6 +61,7 @@ from synapse.logging.context import (
     run_in_background,
 )
 from synapse.logging.utils import log_function
+from synapse.metrics.background_process_metrics import run_as_background_process
 from synapse.replication.http.devices import ReplicationUserDevicesResyncRestServlet
 from synapse.replication.http.federation import (
     ReplicationCleanRoomRestServlet,
@@ -789,15 +790,25 @@ class FederationHandler(BaseHandler):
                     resync = True
 
             if resync:
-                await self.store.mark_remote_user_device_cache_as_stale(event.sender)
+                run_as_background_process(
+                    "resync_device_due_to_pdu", self._resync_device, event.sender
+                )
 
-                # Immediately attempt a resync in the background
-                if self.config.worker_app:
-                    return run_in_background(self._user_device_resync, event.sender)
-                else:
-                    return run_in_background(
-                        self._device_list_updater.user_device_resync, event.sender
-                    )
+    async def _resync_device(self, sender: str) -> None:
+        """We have detected that the device list for the given user may be out
+        of sync, so we try and resync them.
+        """
+
+        try:
+            await self.store.mark_remote_user_device_cache_as_stale(sender)
+
+            # Immediately attempt a resync in the background
+            if self.config.worker_app:
+                await self._user_device_resync(user_id=sender)
+            else:
+                await self._device_list_updater.user_device_resync(sender)
+        except Exception:
+            logger.exception("Failed to resync device for %s", sender)
 
     @log_function
     async def backfill(self, dest, room_id, limit, extremities):