farewell means dormant

1 files changed, 15 insertions, 2 deletions

diff --git a/src/state/peer.rs b/src/state/peer.rs
index 923c6d2..dc1b0ec 100644
--- a/src/state/peer.rs
+++ b/src/state/peer.rs
@@ -304,9 +304,23 @@ impl PeerState {
         if self.liveness.is_dormant() || self.quiet_for(now) < timing.dormant_after {
             return false;
         }
+        self.incidents.dormancies += 1;
+        self.go_dormant(now);
+        true
+    }
+
+    /// The peer said farewell (it is shutting down): Dormant now, without waiting for
+    /// its silence, and not counted as an incident. Returns true on the transition.
+    pub(crate) fn say_farewell(&mut self, now: Instant) -> bool {
+        if self.liveness.is_dormant() {
+            return false;
+        }
+        self.go_dormant(now);
+        true
+    }
 
+    fn go_dormant(&mut self, now: Instant) {
         self.liveness = Liveness::Dormant { since: now };
-        self.incidents.dormancies += 1;
         self.unreachable_since.get_or_insert(now);
         self.reset_sync();
 
@@ -315,7 +329,6 @@ impl PeerState {
                 next_attempt: now + self.probe_backoff.next(),
             };
         }
-        true
     }
 
     /// The keepalive an established, quiet peer needs, if any (and records it): a PING,