track connection type per path

1 files changed, 13 insertions, 0 deletions

diff --git a/src/api/stats/prometheus.rs b/src/api/stats/prometheus.rs
index aef0616..47ac1b5 100644
--- a/src/api/stats/prometheus.rs
+++ b/src/api/stats/prometheus.rs
@@ -204,6 +204,19 @@ fn transports(out: &mut Out, stats: &TransportStats) {
                 *nodes as f64,
             );
         }
+        out.family(
+            "identity_relayed_nodes",
+            "gauge",
+            "Proven nodes a transport reaches only through a relay, by transport.",
+        );
+        for transport in identity.proven.keys() {
+            let relayed = identity.relayed.get(transport).copied().unwrap_or(0);
+            out.sample(
+                "identity_relayed_nodes",
+                &[("transport", transport)],
+                relayed as f64,
+            );
+        }
         out.single(
             "identity_hinted_nodes",
             "gauge",