From 4da17a5e40e34aea27a34241b4f692ae0c827f57 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Thu, 5 Nov 2026 00:56:39 +0100
Subject: neigbours by transport

---
 src/swarm/topology/mod.rs | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

(limited to 'src/swarm/topology')

diff --git a/src/swarm/topology/mod.rs b/src/swarm/topology/mod.rs
index afa13ee..37b2f71 100644
--- a/src/swarm/topology/mod.rs
+++ b/src/swarm/topology/mod.rs
@@ -117,7 +117,7 @@ pub(crate) fn is_full_mesh(state: &AppState) -> bool {
 }
 
 /// The current view in numbers, once known.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone)]
 pub(crate) struct Summary {
     /// Registered members, us included.
     pub(crate) members: usize,
@@ -126,6 +126,10 @@ pub(crate) struct Summary {
     pub(crate) stable: usize,
     pub(crate) neighbours: usize,
     pub(crate) stable_neighbours: usize,
+    /// For each of our transports (address scheme), the neighbours the member list
+    /// gives an address on it: one on two transports counts on both, one it gives none
+    /// for (not listed yet, or only connecting out) on none.
+    pub(crate) neighbours_by_transport: BTreeMap<String, usize>,
 }
 
 pub(crate) fn summary(state: &AppState) -> Option<Summary> {
@@ -148,6 +152,22 @@ pub(crate) fn summary(state: &AppState) -> Option<Summary> {
                 .iter()
                 .filter(|m| view.stable.contains(*m))
                 .count(),
+            neighbours_by_transport: view
+                .local_transports
+                .iter()
+                .map(|transport| {
+                    let on_it = view
+                        .neighbours
+                        .iter()
+                        .filter(|m| {
+                            view.transports
+                                .get(*m)
+                                .is_some_and(|theirs| theirs.contains(transport))
+                        })
+                        .count();
+                    (transport.clone(), on_it)
+                })
+                .collect(),
         })
 }
 
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