From 42d38d5d46f6d8850f97d5e90a82eb0ac7d3a2d1 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sat, 24 Oct 2026 06:43:16 +0200
Subject: add throughput stats

---
 src/api/peers.rs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'src/api/peers.rs')

diff --git a/src/api/peers.rs b/src/api/peers.rs
index 5b7d576..0305647 100644
--- a/src/api/peers.rs
+++ b/src/api/peers.rs
@@ -70,6 +70,18 @@ pub(crate) struct PeerStatus {
     /// since it was last listed).
     traffic: PeerTraffic,
     incidents: Incidents,
+    /// Smoothed sync throughput (`swarm::throughput`); absent before the first large
+    /// exchange.
+    sync_throughput: Option<ThroughputInfo>,
+}
+
+#[derive(Debug, Serialize, ToSchema)]
+#[serde(rename_all = "camelCase")]
+pub(crate) struct ThroughputInfo {
+    bytes_per_sec: f64,
+    samples: u32,
+    /// Age of the last sample.
+    secs_ago: u64,
 }
 
 #[derive(Debug, Serialize, ToSchema)]
@@ -122,6 +134,16 @@ pub(crate) async fn list_peers(
             .effective(&public_key, now, state.timing.rtt_fresh_for())
             .map(|rtt| rtt.as_secs_f64() * 1000.0);
         let traffic = state.traffic.peer(&public_key).unwrap_or_default();
+        let sync_throughput = state
+            .throughput
+            .lock()
+            .unwrap_or_else(|poisoned| poisoned.into_inner())
+            .get(&public_key)
+            .map(|estimate| ThroughputInfo {
+                bytes_per_sec: estimate.bytes_per_sec.round(),
+                samples: estimate.samples,
+                secs_ago: now.saturating_duration_since(estimate.at).as_secs(),
+            });
         let ps = peer_state_mutex.lock().await;
 
         let (status, dormant_for_secs) = match ps.liveness {
@@ -149,6 +171,7 @@ pub(crate) async fn list_peers(
             rtt_ms,
             traffic,
             incidents: ps.incidents,
+            sync_throughput,
         });
     }
 
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