From 19bc0fbf4e148430064bd040bfe0db25ab137555 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sat, 24 Oct 2026 06:29:59 +0200
Subject: add per peer incident stats

---
 src/api/mod.rs   |  1 +
 src/api/peers.rs |  4 +++-
 src/api/stats.rs | 11 ++++++++++-
 3 files changed, 14 insertions(+), 2 deletions(-)

(limited to 'src/api')

diff --git a/src/api/mod.rs b/src/api/mod.rs
index d7f14b3..95d63aa 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -158,6 +158,7 @@ fn response_for_value(
             crate::transport::traffic::PeerTraffic,
             crate::transport::traffic::ByKind,
             crate::transport::traffic::Counter,
+            crate::state::Incidents,
         )
     ),
     tags(
diff --git a/src/api/peers.rs b/src/api/peers.rs
index 9ed11c5..5b7d576 100644
--- a/src/api/peers.rs
+++ b/src/api/peers.rs
@@ -16,7 +16,7 @@ use utoipa::ToSchema;
 use super::store_status;
 use crate::document::replica::Epoch;
 use crate::document::store;
-use crate::state::{AppState, HelloState, Liveness, PeerState, unix_millis};
+use crate::state::{AppState, HelloState, Incidents, Liveness, PeerState, unix_millis};
 use crate::swarm::peer::forgotten_path;
 use crate::transport::traffic::PeerTraffic;
 
@@ -69,6 +69,7 @@ pub(crate) struct PeerStatus {
     /// Messages and payload bytes exchanged with it, by kind, since we started (or
     /// since it was last listed).
     traffic: PeerTraffic,
+    incidents: Incidents,
 }
 
 #[derive(Debug, Serialize, ToSchema)]
@@ -147,6 +148,7 @@ pub(crate) async fn list_peers(
             neighbour,
             rtt_ms,
             traffic,
+            incidents: ps.incidents,
         });
     }
 
diff --git a/src/api/stats.rs b/src/api/stats.rs
index f4a368b..e426c7a 100644
--- a/src/api/stats.rs
+++ b/src/api/stats.rs
@@ -4,7 +4,7 @@ use axum::{Json, extract::State};
 use serde::Serialize;
 
 use super::peers::EpochInfo;
-use crate::state::AppState;
+use crate::state::{AppState, Incidents};
 use crate::swarm::{members, stability, topology};
 use crate::transport::traffic::PeerTraffic;
 
@@ -22,6 +22,8 @@ pub(crate) struct StatsResponse {
     stale_hello_replies: u64,
     /// All peers together, including ones no longer listed in /peers.
     traffic: PeerTraffic,
+    /// The peers listed in /peers together (a forgotten peer's are gone).
+    incidents: Incidents,
 }
 
 #[derive(Debug, Serialize)]
@@ -96,6 +98,12 @@ pub(crate) async fn get_stats(State(state): State<AppState>) -> Json<StatsRespon
 
     let (connected_fraction, observed) = stability::measured(&state);
 
+    let mut incidents = Incidents::default();
+    let peers: Vec<_> = state.peer_states.read().await.values().cloned().collect();
+    for peer_state in peers {
+        incidents.add(&peer_state.lock().await.incidents);
+    }
+
     Json(StatsResponse {
         uptime_secs: node.uptime.as_secs(),
         ready: state.is_ready().await,
@@ -130,5 +138,6 @@ pub(crate) async fn get_stats(State(state): State<AppState>) -> Json<StatsRespon
         },
         stale_hello_replies: node.stale_hello_replies,
         traffic: state.traffic.total(),
+        incidents,
     })
 }
-- 
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