lan discovery almost done

Signed-off-by: fufesou <shuanglongchen@yeah.net>

src/ipc.rs

@@ -389,6 +389,22 @@ pub fn get_id() -> String {
     }
 }
 
+pub async fn get_id_async() -> String {
+    if let Ok(Some(v)) = get_config_async("id", 1_000).await {
+        // update salt also, so that next time reinstallation not causing first-time auto-login failure
+        if let Ok(Some(v2)) = get_config_async("salt", 1_000).await {
+            Config::set_salt(&v2);
+        }
+        if v != Config::get_id() {
+            Config::set_key_confirmed(false);
+            Config::set_id(&v);
+        }
+        v
+    } else {
+        Config::get_id()
+    }
+}
+
 pub fn get_password() -> String {
     if let Ok(Some(v)) = get_config("password") {
         Config::set_password(&v);