fix some warning

src/network/ipv6.rs

@@ -1,13 +1,19 @@
-use std::{net::{IpAddr, Ipv6Addr}, time::Duration};
 use std::sync::Mutex;
+use std::{
+    net::{IpAddr, Ipv6Addr},
+    time::Duration,
+};
 
 use sdlan_sn_rs::{config::AF_INET6, peer::SdlanSock};
+use std::sync::Arc;
 use tokio::{net::UdpSocket, sync::mpsc::Receiver};
 use tokio_util::sync::CancellationToken;
 use tracing::error;
-use std::sync::Arc;
 
-use crate::{network::{loop_socket_v4, loop_socket_v6}, utils::Socket};
+use crate::{
+    network::{loop_socket_v4, loop_socket_v6},
+    utils::Socket,
+};
 
 use super::Node;
 
@@ -37,11 +43,10 @@ pub async fn run_ipv6(edge: &'static Node, mut v6_may_change: Receiver<bool>) {
         let socket_clone = socket.clone();
         let cancel = CancellationToken::new();
 
-
         *edge.ipv6.write().unwrap() = Some(SdlanSock {
             family: AF_INET6,
             port,
-            v4: [0;4],
+            v4: [0; 4],
             v6: ipv6.octets(),
         });
         *edge.udp_sock_v6.write().unwrap() = Some(socket);
@@ -61,16 +66,16 @@ pub fn get_current_ipv6() -> Option<Ipv6Addr> {
         error!("failed to get ip address");
         return None;
     };
-    
+
     for (_, ip) in ips {
         match ip {
             IpAddr::V4(_ipv4) => {
                 continue;
             }
             IpAddr::V6(ipv6) => {
-                if (ipv6.octets()[0] & 0x70 == 0x20) {
+                if ipv6.octets()[0] & 0x70 == 0x20 {
                     println!("got global ip: {}", ipv6);
-                    return Some(ipv6)
+                    return Some(ipv6);
                 }
             }
         }