limit sync response events to within the since/next_batch window

fixes #606

Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk 2024-11-20 19:42:34 +00:00
parent 5256cad396
commit bae0667066
3 changed files with 7 additions and 4 deletions

View file

@ -9,7 +9,8 @@ pub(crate) use self::{v3::sync_events_route, v4::sync_events_v4_route};
use crate::{service::Services, Error, PduEvent, Result};
async fn load_timeline(
services: &Services, sender_user: &UserId, room_id: &RoomId, roomsincecount: PduCount, limit: usize,
services: &Services, sender_user: &UserId, room_id: &RoomId, roomsincecount: PduCount,
next_batch: Option<PduCount>, limit: usize,
) -> Result<(Vec<(PduCount, PduEvent)>, bool), Error> {
let last_timeline_count = services
.rooms
@ -26,7 +27,8 @@ async fn load_timeline(
.timeline
.pdus_rev(Some(sender_user), room_id, None)
.await?
.ready_take_while(|(pducount, _)| *pducount > roomsincecount);
.ready_skip_while(|&(pducount, _)| pducount > next_batch.unwrap_or_else(PduCount::max))
.ready_take_while(|&(pducount, _)| pducount > roomsincecount);
// Take the last events for the timeline
let timeline_pdus: Vec<_> = non_timeline_pdus

View file

@ -540,7 +540,8 @@ async fn load_joined_room(
let insert_lock = services.rooms.timeline.mutex_insert.lock(room_id).await;
drop(insert_lock);
let (timeline_pdus, limited) = load_timeline(services, sender_user, room_id, sincecount, 10_usize).await?;
let (timeline_pdus, limited) =
load_timeline(services, sender_user, room_id, sincecount, Some(next_batchcount), 10_usize).await?;
let send_notification_counts = !timeline_pdus.is_empty()
|| services

View file

@ -473,7 +473,7 @@ pub(crate) async fn sync_events_v4_route(
(timeline_pdus, limited) = (Vec::new(), true);
} else {
(timeline_pdus, limited) =
match load_timeline(&services, sender_user, room_id, roomsincecount, *timeline_limit).await {
match load_timeline(&services, sender_user, room_id, roomsincecount, None, *timeline_limit).await {
Ok(value) => value,
Err(err) => {
warn!("Encountered missing timeline in {}, error {}", room_id, err);