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authorErik Johnston <erik@matrix.org>2020-09-10 13:24:43 +0100
committerGitHub <noreply@github.com>2020-09-10 13:24:43 +0100
commit5d3e306d9f6ee48ff76dad8eee0be39bb1df5b08 (patch)
tree7f11567cc25c8ab4ede832127b4203b557f02d42 /synapse/replication/tcp
parentShow a confirmation page during user password reset (#8004) (diff)
downloadsynapse-5d3e306d9f6ee48ff76dad8eee0be39bb1df5b08.tar.xz
Clean up `Notifier.on_new_room_event` code path (#8288)
The idea here is that we pass the `max_stream_id` to everything, and only use the stream ID of the particular event to figure out *when* the max stream position has caught up to the event and we can notify people about it.

This is to maintain the distinction between the position of an item in the stream (i.e. event A has stream ID 513) and a token that can be used to partition the stream (i.e. give me all events after stream ID 352). This distinction becomes important when the tokens are more complicated than a single number, which they will be once we start tracking the position of multiple writers in the tokens.

The valid operations here are:

1. Is a position before or after a token
2. Fetching all events between two tokens
3. Merging multiple tokens to get the "max", i.e. `C = max(A, B)` means that for all positions P where P is before A *or* before B, then P is before C.

Future PR will change the token type to a dedicated type.
Diffstat (limited to 'synapse/replication/tcp')
-rw-r--r--synapse/replication/tcp/client.py9
1 files changed, 3 insertions, 6 deletions
diff --git a/synapse/replication/tcp/client.py b/synapse/replication/tcp/client.py
index ccd3147dfd..e82b9e386f 100644
--- a/synapse/replication/tcp/client.py
+++ b/synapse/replication/tcp/client.py
@@ -29,6 +29,7 @@ from synapse.replication.tcp.streams.events import (
     EventsStreamEventRow,
     EventsStreamRow,
 )
+from synapse.types import UserID
 from synapse.util.async_helpers import timeout_deferred
 from synapse.util.metrics import Measure
 
@@ -98,7 +99,6 @@ class ReplicationDataHandler:
 
     def __init__(self, hs: "HomeServer"):
         self.store = hs.get_datastore()
-        self.pusher_pool = hs.get_pusherpool()
         self.notifier = hs.get_notifier()
         self._reactor = hs.get_reactor()
         self._clock = hs.get_clock()
@@ -148,15 +148,12 @@ class ReplicationDataHandler:
                 if event.rejected_reason:
                     continue
 
-                extra_users = ()  # type: Tuple[str, ...]
+                extra_users = ()  # type: Tuple[UserID, ...]
                 if event.type == EventTypes.Member:
-                    extra_users = (event.state_key,)
+                    extra_users = (UserID.from_string(event.state_key),)
                 max_token = self.store.get_room_max_stream_ordering()
                 self.notifier.on_new_room_event(event, token, max_token, extra_users)
 
-            max_token = self.store.get_room_max_stream_ordering()
-            await self.pusher_pool.on_new_notifications(max_token)
-
         # Notify any waiting deferreds. The list is ordered by position so we
         # just iterate through the list until we reach a position that is
         # greater than the received row position.