waiting not twice

1 files changed, 9 insertions, 0 deletions

diff --git a/src/swarm/stats.rs b/src/swarm/stats.rs
index 31b6a3b..ba75d68 100644
--- a/src/swarm/stats.rs
+++ b/src/swarm/stats.rs
@@ -157,6 +157,10 @@ pub(crate) struct Relay {
     pub(crate) carrying_bloom_bytes: u64,
     pub(crate) nothing_new_change_bytes: u64,
     pub(crate) nothing_new_bloom_bytes: u64,
+    /// Sync messages received that carried changes, none of them applied yet: they wait
+    /// for predecessors that didn't come (Automerge holds them back). Not counted with
+    /// `nothing_new`, which they aren't.
+    pub(crate) waiting: u64,
     /// The changes new to us that sync messages brought (beside what they carried that
     /// we had): with `carrying` less `nothing_new`, how many a message with news brings.
     pub(crate) new_changes: u64,
@@ -314,6 +318,11 @@ impl NodeStats {
         inner.relay.nothing_new_bloom_bytes += sizes.1 as u64;
     }
 
+    /// A sync message carried changes that wait for predecessors (`Relay::waiting`).
+    pub(crate) fn waiting(&self) {
+        self.lock().relay.waiting += 1;
+    }
+
     /// Changes from elsewhere were applied, `delays_ms` after they were committed, that
     /// came not along a writer's tree.
     pub(crate) fn off_tree(&self, delays_ms: &[i64]) {