utils: add From<&NameServerAddr> for Url

easytier/src/dns/utils.rs

@@ -49,12 +49,18 @@ pub struct NameServerAddr {
     addr: SocketAddr,
 }
 
-impl From<NameServerAddr> for NameServerConfig {
+impl From<&NameServerAddr> for NameServerConfig {
-    fn from(value: NameServerAddr) -> Self {
+    fn from(value: &NameServerAddr) -> Self {
         Self::new(value.addr, value.protocol)
     }
 }
 
+impl From<&NameServerAddr> for Url {
+    fn from(value: &NameServerAddr) -> Self {
+        Url::parse(&format!("{}://{}", value.protocol, value.addr)).unwrap()
+    }
+}
+
 impl TryFrom<Url> for NameServerAddr {
     type Error = Error;
 
@@ -101,6 +107,6 @@ impl FromStr for NameServerAddr {
 
 impl Display for NameServerAddr {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}://{}", self.protocol, self.addr)
+        f.write_str(Url::from(self).as_str())
     }
 }

easytier/src/dns/zone.rs

@@ -200,8 +200,10 @@ impl Zone {
         A: AsRef<str>,
     {
         let name_servers = forwarders
-            .into_iter()
+            .map(|f| {
-            .map(|s| s.as_ref().parse::<NameServerAddr>().map(Into::into))
+                let addr: NameServerAddr = f.as_ref().parse()?;
+                Ok((&addr).into())
+            })
             .collect::<anyhow::Result<Vec<_>>>()?
             .into();
         self.forward = Some(ForwardConfig {