Only print on chage, print on good, too

[dnsseed-rust] / src / datastore.rs

diff --git a/src/datastore.rs b/src/datastore.rs
index 7b12adb76b845e24db57cddb209e3d299a70859f..1dd976aa4e8863a33d60fca0b6eed9a4f01002bb 100644 (file)
--- a/src/datastore.rs
+++ b/src/datastore.rs
@@ -270,10 +270,11 @@ impl Store {
                }
        }
 
-       pub fn set_node_state(&self, addr: SocketAddr, state: AddressState, services: u64) {
+       pub fn set_node_state(&self, addr: SocketAddr, state: AddressState, services: u64) -> bool {
                let mut nodes_lock = self.nodes.write().unwrap();
                let nodes = nodes_lock.borrow_mut();
                let state_ref = nodes.nodes_to_state.get_mut(&addr).unwrap();
+               let ret = state != state_ref.state;
                state_ref.last_update = Instant::now();
                if (state_ref.state == AddressState::Good || state_ref.state == AddressState::WasGood)
                                && state != AddressState::Good
@@ -301,6 +302,7 @@ impl Store {
                        }
                        nodes.state_next_scan.get_mut(&state).unwrap().push((state_ref.last_update, addr));
                }
+               ret
        }
 
        pub fn save_data(&'static self) -> impl Future<Item=(), Error=()> {