fix networksetup timeout on some machine (#1372)

easytier/src/common/network.rs

@@ -59,18 +59,52 @@ impl InterfaceFilter {
     }
 }
 
+// Cache for networksetup command output
+#[cfg(target_os = "macos")]
+static NETWORKSETUP_CACHE: std::sync::OnceLock<Mutex<(String, std::time::Instant)>> =
+    std::sync::OnceLock::new();
+
 #[cfg(any(target_os = "macos", target_os = "freebsd"))]
 impl InterfaceFilter {
     #[cfg(target_os = "macos")]
-    async fn is_interface_physical(&self) -> bool {
-        let interface_name = &self.iface.name;
-        let output = tokio::process::Command::new("networksetup")
+    async fn get_networksetup_output() -> String {
+        use anyhow::Context;
+        use std::time::{Duration, Instant};
+        let cache = NETWORKSETUP_CACHE.get_or_init(|| Mutex::new((String::new(), Instant::now())));
+        let mut cache_guard = cache.lock().await;
+
+        // Check if cache is still valid (less than 1 minute old)
+        if cache_guard.1.elapsed() < Duration::from_secs(60) && !cache_guard.0.is_empty() {
+            return cache_guard.0.clone();
+        }
+
+        // Cache is expired or empty, fetch new data
+        let stdout = tokio::process::Command::new("networksetup")
             .args(["-listallhardwareports"])
             .output()
             .await
-            .expect("Failed to execute command");
+            .with_context(|| "Failed to execute networksetup command")
+            .and_then(|output| {
+                std::str::from_utf8(&output.stdout)
+                    .map(|s| s.to_string())
+                    .with_context(|| "Failed to convert networksetup output to string")
+            })
+            .unwrap_or_else(|e| {
+                tracing::error!("Failed to execute networksetup command: {:?}", e);
+                String::new()
+            });
 
-        let stdout = std::str::from_utf8(&output.stdout).expect("Invalid UTF-8");
+        // Update cache
+        cache_guard.0 = stdout.clone();
+        cache_guard.1 = Instant::now();
+
+        stdout
+    }
+
+    #[cfg(target_os = "macos")]
+    async fn is_interface_physical(&self) -> bool {
+        let interface_name = &self.iface.name;
+        let stdout = Self::get_networksetup_output().await;
 
         let lines: Vec<&str> = stdout.lines().collect();