1 files changed, 14 insertions, 0 deletions
diff --git a/src/swarm/stats.rs b/src/swarm/stats.rs
index 6332901..31b6a3b 100644
--- a/src/swarm/stats.rs
+++ b/src/swarm/stats.rs
@@ -137,6 +137,11 @@ pub(crate) struct Relay {
     pub(crate) deflated: u64,
     pub(crate) deflated_from: u64,
     pub(crate) deflated_to: u64,
+    /// Blob chunks served, those of them deflated, and their bytes before and as sent.
+    pub(crate) chunks_served: u64,
+    pub(crate) chunks_deflated: u64,
+    pub(crate) chunk_bytes: u64,
+    pub(crate) chunk_bytes_sent: u64,
     /// Sync messages received that carried changes, all of which we had already, and
     /// their payload's bytes: changes that came twice. Of those, how many came along a
     /// writer's tree (`SyncEnvelope::writer`), and how many were taken as delivered by
@@ -258,6 +263,15 @@ impl NodeStats {
         self.lock().relay.tree_forwards += 1;
     }
 
+    /// A blob chunk of `bytes` was served as `sent` bytes (fewer if deflated).
+    pub(crate) fn chunk_served(&self, bytes: usize, sent: usize) {
+        let mut inner = self.lock();
+        inner.relay.chunks_served += 1;
+        inner.relay.chunks_deflated += u64::from(sent < bytes);
+        inner.relay.chunk_bytes += bytes as u64;
+        inner.relay.chunk_bytes_sent += sent as u64;
+    }
+
     /// A sync message of `from` bytes went out deflated to `to`.
     pub(crate) fn deflated(&self, from: usize, to: usize) {
         let mut inner = self.lock();