rwhod: allow configuring packet send interval

src/server/config.rs

@@ -43,6 +43,11 @@ pub struct RwhodConfig {
     ///
     /// If left as `None`, the server will send on all relevant interfaces it can find.
     pub interfaces: Option<HashSet<String>>,
+
+    /// Interval between rwhod status packet broadcasts.
+    ///
+    /// If left as `None`, defaults to 60 seconds.
+    pub send_interval_seconds: Option<u64>,
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]

src/server/rwhod/packet_sender.rs

@@ -114,8 +114,9 @@ pub async fn rwhod_packet_sender_task(
     socket: Arc<UdpSocket>,
     interfaces: Vec<RwhodSendTarget>,
     ignore_list: Option<IgnoreList>,
+    send_interval: TokioDuration,
 ) -> anyhow::Result<()> {
-    let mut interval = interval(TokioDuration::from_secs(60));
+    let mut interval = interval(send_interval);
 
     loop {
         interval.tick().await;