From 85c6a9a2ddeaf23066ddfa3362693604a37526ae Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Thu, 5 Nov 2026 00:46:06 +0100
Subject: drop full mesh stat

---
 src/swarm/topology/mod.rs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'src/swarm/topology')

diff --git a/src/swarm/topology/mod.rs b/src/swarm/topology/mod.rs
index b876fd0..afa13ee 100644
--- a/src/swarm/topology/mod.rs
+++ b/src/swarm/topology/mod.rs
@@ -57,7 +57,10 @@ pub(crate) struct NeighbourView {
     /// they say they sync with us (`refresh`).
     outbound: BTreeSet<String>,
     neighbours: BTreeSet<String>,
-    /// Every reachable member is a neighbour.
+    /// Every member not judged unreachable is a neighbour (the tests wait for it,
+    /// `is_full_mesh`). Not the swarm being a full mesh: members on a transport we are
+    /// not on, or that we never reached, don't count against it.
+    #[cfg(test)]
     full_mesh: bool,
     /// The graph the member list gives, as if every member reached every other
     /// (`member_list_graph`): computed when first asked for, kept while the member list
@@ -123,7 +126,6 @@ pub(crate) struct Summary {
     pub(crate) stable: usize,
     pub(crate) neighbours: usize,
     pub(crate) stable_neighbours: usize,
-    pub(crate) full_mesh: bool,
 }
 
 pub(crate) fn summary(state: &AppState) -> Option<Summary> {
@@ -146,7 +148,6 @@ pub(crate) fn summary(state: &AppState) -> Option<Summary> {
                 .iter()
                 .filter(|m| view.stable.contains(*m))
                 .count(),
-            full_mesh: view.full_mesh,
         })
 }
 
@@ -412,6 +413,7 @@ pub(crate) async fn refresh(state: &AppState) -> Option<NeighbourChange> {
         &|m| stable.contains(m),
     );
     computed.extend(outbound.iter().cloned());
+    #[cfg(test)]
     let listed_neighbours = computed.len();
     computed.extend(unlisted.iter().cloned());
     let change = NeighbourChange {
@@ -438,11 +440,13 @@ pub(crate) async fn refresh(state: &AppState) -> Option<NeighbourChange> {
         removed = change.removed.len(),
         "Neighbours computed from the member list"
     );
+    #[cfg(test)]
     let reachable_others = current
         .iter()
         .filter(|m| m.as_str() != state.local_id() && !unreachable.contains(*m))
         .count();
     *state.neighbours.write_or_recover() = Some(NeighbourView {
+        #[cfg(test)]
         full_mesh: listed_neighbours >= reachable_others,
         members: current,
         k,
-- 
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