From 1d573eada2ec3fcfed6499afb879c172e9c8b759 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sat, 24 Oct 2026 05:21:07 +0200
Subject: record RTT sampling instant

---
 src/state.rs | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/state.rs')

diff --git a/src/state.rs b/src/state.rs
index 6021baa..9d567a8 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -473,6 +473,12 @@ pub(crate) struct Timing {
 }
 
 impl Timing {
+    /// How long a round-trip sample stays meaningful (`swarm::rtt`): a few keepalive
+    /// intervals, since nodes move.
+    pub(crate) fn rtt_fresh_for(&self) -> Duration {
+        self.keepalive * 5
+    }
+
     // Recommended values
     //  Environment                                 | Keepalive | Notes
     //  --------------------------------------------+-----------+------------------------------------------------------------
-- 
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