add swarm stats

1 files changed, 7 insertions, 0 deletions

diff --git a/src/swarm/stability.rs b/src/swarm/stability.rs
index 31ba4b8..9d79b17 100644
--- a/src/swarm/stability.rs
+++ b/src/swarm/stability.rs
@@ -135,6 +135,13 @@ fn lock(state: &AppState) -> std::sync::MutexGuard<'_, Stability> {
         .unwrap_or_else(|poisoned| poisoned.into_inner())
 }
 
+/// The fraction of the observed time (up to a day) we had a live peer, and how much
+/// time was observed.
+pub(crate) fn measured(state: &AppState) -> (f64, Duration) {
+    let stability = lock(state);
+    (stability.fraction(), stability.observed())
+}
+
 /// A HELLO_REPLY told us how long ago that peer last heard from us before this run.
 pub(crate) fn note_away(state: &AppState, away: Option<Duration>) {
     if let Some(away) = away {