topology trait

1 files changed, 2 insertions, 0 deletions

diff --git a/src/state/mod.rs b/src/state/mod.rs
index d1a32df..7e87f31 100644
--- a/src/state/mod.rs
+++ b/src/state/mod.rs
@@ -68,6 +68,8 @@ pub(crate) struct AppState {
 
     pub(crate) peer_states: Arc<RwLock<HashMap<String, Arc<Mutex<PeerState>>>>>,
     pub(crate) transport: Arc<dyn transport::Transport>,
+    /// How members' neighbours are chosen (`swarm::topology::Topology`).
+    pub(crate) topology: Arc<dyn crate::swarm::topology::Topology>,
     pub(crate) firewall: Arc<Firewall>,
     /// Messages and bytes exchanged, per peer (`transport::traffic`).
     pub(crate) traffic: Arc<transport::traffic::Traffic>,