cli: sort peers by IPv4 and hostname (#1191)

* cli: sort entries by IPv4 and hostname

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

easytier/src/connector/udp_hole_punch/sym_to_cone.rs

@@ -342,7 +342,7 @@ impl PunchSymToConeHoleClient {
     async fn get_rpc_stub(
         &self,
         dst_peer_id: PeerId,
-    ) -> Box<(dyn UdpHolePunchRpc<Controller = BaseController> + std::marker::Send + 'static)> {
+    ) -> Box<dyn UdpHolePunchRpc<Controller = BaseController> + std::marker::Send + 'static> {
         self.peer_mgr
             .get_peer_rpc_mgr()
             .rpc_client()

easytier/src/easytier-cli.rs

@@ -545,6 +545,18 @@ impl CommandHandler<'_> {
             items.push(p.into());
         }
 
+        // Sort items by ipv4 (using IpAddr for proper numeric comparison) first, then by hostname
+        items.sort_by(|a, b| {
+            use std::net::{IpAddr, Ipv4Addr};
+            use std::str::FromStr;
+            let a_ip = IpAddr::from_str(&a.ipv4).unwrap_or(IpAddr::V4(Ipv4Addr::UNSPECIFIED));
+            let b_ip = IpAddr::from_str(&b.ipv4).unwrap_or(IpAddr::V4(Ipv4Addr::UNSPECIFIED));
+            match a_ip.cmp(&b_ip) {
+                std::cmp::Ordering::Equal => a.hostname.cmp(&b.hostname),
+                other => other,
+            }
+        });
+
         print_output(&items, self.output_format)?;
 
         Ok(())

easytier/src/peer_center/instance.rs

@@ -96,13 +96,13 @@ impl PeerCenterBase {
     >(
         &self,
         job_ctx: T,
-        job_fn: (impl Fn(
+        job_fn: impl Fn(
             Box<dyn PeerCenterRpc<Controller = BaseController> + Send>,
             Arc<PeridicJobCtx<T>>,
         ) -> Fut
              + Send
              + Sync
-             + 'static),
+             + 'static,
     ) -> () {
         let my_peer_id = self.my_peer_id;
         let peer_mgr = self.peer_mgr.clone();