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authorErik Johnston <erik@matrix.org>2022-04-04 15:25:20 +0100
committerGitHub <noreply@github.com>2022-04-04 15:25:20 +0100
commit5c9e39e6192e952ba8a5bb8e5485bc6067f91699 (patch)
tree43ad8fbd061254a87c8a93c6f3d32fa029a7cb72 /tests/federation
parentRemove more dead/broken dev scripts (#12355) (diff)
downloadsynapse-5c9e39e6192e952ba8a5bb8e5485bc6067f91699.tar.xz
Track device list updates per room. (#12321)
This is a first step in dealing with #7721.

The idea is basically that rather than calculating the full set of users a device list update needs to be sent to up front, we instead simply record the rooms the user was in at the time of the change. This will allow a few things:

1. we can defer calculating the set of remote servers that need to be poked about the change; and
2. during `/sync` and `/keys/changes` we can avoid also avoid calculating users who share rooms with other users, and instead just look at the rooms that have changed.

However, care needs to be taken to correctly handle server downgrades. As such this PR writes to both `device_lists_changes_in_room` and the `device_lists_outbound_pokes` table synchronously. In a future release we can then bump the database schema compat version to `69` and then we can assume that the new `device_lists_changes_in_room` exists and is handled.

There is a temporary option to disable writing to `device_lists_outbound_pokes` synchronously, allowing us to test the new code path does work (and by implication upgrading to a future release and downgrading to this one will work correctly).

Note: Ideally we'd do the calculation of room to servers on a worker (e.g. the background worker), but currently only master can write to the `device_list_outbound_pokes` table.
Diffstat (limited to 'tests/federation')
-rw-r--r--tests/federation/test_federation_sender.py23
1 files changed, 17 insertions, 6 deletions
diff --git a/tests/federation/test_federation_sender.py b/tests/federation/test_federation_sender.py
index e90592855a..a6e91956af 100644
--- a/tests/federation/test_federation_sender.py
+++ b/tests/federation/test_federation_sender.py
@@ -14,6 +14,7 @@
 from typing import Optional
 from unittest.mock import Mock
 
+from parameterized import parameterized_class
 from signedjson import key, sign
 from signedjson.types import BaseKey, SigningKey
 
@@ -154,6 +155,12 @@ class FederationSenderReceiptsTestCases(HomeserverTestCase):
         )
 
 
+@parameterized_class(
+    [
+        {"enable_room_poke_code_path": False},
+        {"enable_room_poke_code_path": True},
+    ]
+)
 class FederationSenderDevicesTestCases(HomeserverTestCase):
     servlets = [
         admin.register_servlets,
@@ -168,17 +175,21 @@ class FederationSenderDevicesTestCases(HomeserverTestCase):
     def default_config(self):
         c = super().default_config()
         c["send_federation"] = True
+        c["use_new_device_lists_changes_in_room"] = self.enable_room_poke_code_path
         return c
 
     def prepare(self, reactor, clock, hs):
-        # stub out get_users_who_share_room_with_user so that it claims that
-        # `@user2:host2` is in the room
-        def get_users_who_share_room_with_user(user_id):
+        # stub out `get_rooms_for_user` and `get_users_in_room` so that the
+        # server thinks the user shares a room with `@user2:host2`
+        def get_rooms_for_user(user_id):
+            return defer.succeed({"!room:host1"})
+
+        hs.get_datastores().main.get_rooms_for_user = get_rooms_for_user
+
+        def get_users_in_room(room_id):
             return defer.succeed({"@user2:host2"})
 
-        hs.get_datastores().main.get_users_who_share_room_with_user = (
-            get_users_who_share_room_with_user
-        )
+        hs.get_datastores().main.get_users_in_room = get_users_in_room
 
         # whenever send_transaction is called, record the edu data
         self.edus = []