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rwhod: add slight delay to realtime update handling

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This commit is contained in:
Oystein Kristoffer Tveit
2026-07-21 18:16:10 +09:00
parent 7008468cf8
commit 04cb3f176b
1 changed files with 5 additions and 0 deletions
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src/server/rwhod/packet_sender.rs
+5
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@@ -18,6 +18,10 @@ use crate::{
/// Default port for rwhod communication. /// Default port for rwhod communication.
pub const RWHOD_BROADCAST_PORT: u16 = 513; pub const RWHOD_BROADCAST_PORT: u16 = 513;
/// How long to wait after a realtime update before actually reading utmp and sending a status update.
/// This is necessary because audit log events can arrive before the utmp record gets updated.
const REALTIME_UPDATE_SETTLE_DELAY: TokioDuration = TokioDuration::from_millis(500);
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
pub struct RwhodSendTarget { pub struct RwhodSendTarget {
/// Name of the network interface. /// Name of the network interface.
@@ -141,6 +145,7 @@ pub async fn rwhod_packet_sender_task(
if triggered.is_some() { if triggered.is_some() {
tracing::debug!("Sending an early rwhod update due to realtime trigger"); tracing::debug!("Sending an early rwhod update due to realtime trigger");
interval.reset(); interval.reset();
tokio::time::sleep(REALTIME_UPDATE_SETTLE_DELAY).await;
} else { } else {
tracing::warn!( tracing::warn!(
"Realtime update channel closed unexpectedly; falling back to interval-only updates" "Realtime update channel closed unexpectedly; falling back to interval-only updates"