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Improve sliding-sync robustness to deeper replays.

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Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk
2025-10-24 18:30:53 +00:00
parent d44db45f83
commit f5e98467be
2 changed files with 10 additions and 18 deletions
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15
src/service/sync/mod.rs
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@@ -53,8 +53,6 @@ pub struct Connection {
#[derive(Clone, Copy, Debug, Default)]
pub struct Room {
pub roomsince: u64,
pub last_batch: u64,
pub next_batch: u64,
}
type Connections = StdMutex<BTreeMap<ConnectionKey, ConnectionVal>>;
@@ -94,14 +92,12 @@ impl crate::Service for Service {
}
#[implement(Connection)]
pub fn update_rooms_prologue(&mut self, advance: bool) {
pub fn update_rooms_prologue(&mut self, retard_since: Option<u64>) {
self.rooms.values_mut().for_each(|room| {
if advance {
room.roomsince = room.next_batch;
room.last_batch = room.next_batch;
} else {
room.roomsince = room.last_batch;
room.next_batch = room.last_batch;
if let Some(retard_since) = retard_since {
if room.roomsince > retard_since {
room.roomsince = retard_since;
}
}
});
}
@@ -115,7 +111,6 @@ where
let room = self.rooms.entry(room_id.into()).or_default();
room.roomsince = self.next_batch;
room.next_batch = self.next_batch;
});
}