increase snake sync asynchronicity

Signed-off-by: Jason Volk <jason@zemos.net>

src/api/client/sync/v4.rs

@@ -7,6 +7,7 @@ use std::{
 use axum::extract::State;
 use conduwuit::{
 	Err, Error, PduCount, PduEvent, Result, debug, error, extract_variant,
+	matrix::TypeStateKey,
 	utils::{
 		BoolExt, IterStream, ReadyExt, TryFutureExtExt,
 		math::{ruma_from_usize, usize_from_ruma, usize_from_u64_truncated},
@@ -14,6 +15,7 @@ use conduwuit::{
 	warn,
 };
 use conduwuit_service::{
+	Services,
 	rooms::read_receipt::pack_receipts,
 	sync::{into_db_key, into_snake_key},
 };
@@ -24,6 +26,7 @@ use ruma::{
 		self, DeviceLists, UnreadNotificationsCount,
 		v4::{SlidingOp, SlidingSyncRoomHero},
 	},
+	directory::RoomTypeFilter,
 	events::{
 		AnyRawAccountDataEvent, AnySyncEphemeralRoomEvent, StateEventType,
 		TimelineEventType::*,
@@ -36,10 +39,11 @@ use ruma::{
 use super::{load_timeline, share_encrypted_room};
 use crate::{
 	Ruma,
-	client::{DEFAULT_BUMP_TYPES, filter_rooms, ignored_filter, sync::v5::TodoRooms},
+	client::{DEFAULT_BUMP_TYPES, ignored_filter},
 };
 
-pub(crate) const SINGLE_CONNECTION_SYNC: &str = "single_connection_sync";
+type TodoRooms = BTreeMap<OwnedRoomId, (BTreeSet<TypeStateKey>, usize, u64)>;
+const SINGLE_CONNECTION_SYNC: &str = "single_connection_sync";
 
 /// POST `/_matrix/client/unstable/org.matrix.msc3575/sync`
 ///
@@ -802,3 +806,33 @@ pub(crate) async fn sync_events_v4_route(
 		delta_token: None,
 	})
 }
+
+async fn filter_rooms<'a>(
+	services: &Services,
+	rooms: &[&'a RoomId],
+	filter: &[RoomTypeFilter],
+	negate: bool,
+) -> Vec<&'a RoomId> {
+	rooms
+		.iter()
+		.stream()
+		.filter_map(|r| async move {
+			let room_type = services.rooms.state_accessor.get_room_type(r).await;
+
+			if room_type.as_ref().is_err_and(|e| !e.is_not_found()) {
+				return None;
+			}
+
+			let room_type_filter = RoomTypeFilter::from(room_type.ok());
+
+			let include = if negate {
+				!filter.contains(&room_type_filter)
+			} else {
+				filter.is_empty() || filter.contains(&room_type_filter)
+			};
+
+			include.then_some(r)
+		})
+		.collect()
+		.await
+}