add eager link counters

1 files changed, 18 insertions, 0 deletions

diff --git a/src/swarm/stats.rs b/src/swarm/stats.rs
index 04f41b2..dd56bb0 100644
--- a/src/swarm/stats.rs
+++ b/src/swarm/stats.rs
@@ -102,6 +102,12 @@ pub(crate) struct Relay {
     pub(crate) pulls: u64,
     /// Announcements of heads we lacked that had to wait for the pull in progress.
     pub(crate) pulls_queued: u64,
+    /// Links made eager (a pull brought changes over them) and lazy again (changes came
+    /// over them that another path brought first).
+    pub(crate) grafts: u64,
+    pub(crate) prunes: u64,
+    /// Changes forwarded over eager links: a sync message asked for per neighbour.
+    pub(crate) eager_forwards: u64,
 }
 
 /// When the initial sync finished, and what it took.
@@ -184,6 +190,18 @@ impl NodeStats {
         self.lock().relay.pulls_queued += 1;
     }
 
+    pub(crate) fn link_grafted(&self) {
+        self.lock().relay.grafts += 1;
+    }
+
+    pub(crate) fn link_pruned(&self) {
+        self.lock().relay.prunes += 1;
+    }
+
+    pub(crate) fn eager_forward(&self) {
+        self.lock().relay.eager_forwards += 1;
+    }
+
     /// A sync message of `bytes` arrived.
     pub(crate) fn sync_received(&self, bytes: usize) {
         let mut inner = self.lock();