bench waits for recorded links

1 files changed, 17 insertions, 0 deletions

diff --git a/src/simtest/bench.rs b/src/simtest/bench.rs
index d8c08e2..2a96007 100644
--- a/src/simtest/bench.rs
+++ b/src/simtest/bench.rs
@@ -502,6 +502,23 @@ async fn run(seed: u64, scenario: &'static Scenario) -> String {
     )
     .await;
     sim.wait_converged(all, SETTLE).await;
+    // The links that don't work recorded (`swarm::working_links`, after their hold), so
+    // the trees are built over the links that do from the first write: every node
+    // checked since, with nothing awaiting its hold. Lossy links may keep some waiting:
+    // not for longer than settling.
+    let checks: Vec<u64> = all
+        .iter()
+        .map(|node| crate::swarm::working_links::settled(node).0)
+        .collect();
+    let recording = Instant::now();
+    while recording.elapsed() < SETTLE
+        && !all.iter().zip(&checks).all(|(node, before)| {
+            let (checks, settled) = crate::swarm::working_links::settled(node);
+            checks > *before && settled
+        })
+    {
+        tokio::time::sleep(Duration::from_secs(1)).await;
+    }
     // Neighbours chosen, handshakes done, what joining set off over: sync messages no
     // fewer in a half of the quiet phase than in the one before (some go on for good:
     // alive stamps, registrations). Those two halves are the quiet phase.