fix default listeners for config file (#777)

easytier/src/common/config.rs

@@ -76,7 +76,7 @@ pub trait ConfigLoader: Send + Sync {
     fn get_peers(&self) -> Vec<PeerConfig>;
     fn set_peers(&self, peers: Vec<PeerConfig>);
 
-    fn get_listeners(&self) -> Vec<url::Url>;
+    fn get_listeners(&self) -> Option<Vec<url::Url>>;
     fn set_listeners(&self, listeners: Vec<url::Url>);
 
     fn get_mapped_listeners(&self) -> Vec<url::Url>;
@@ -510,13 +510,8 @@ impl ConfigLoader for TomlConfigLoader {
         self.config.lock().unwrap().peer = Some(peers);
     }
 
-    fn get_listeners(&self) -> Vec<url::Url> {
-        self.config
-            .lock()
-            .unwrap()
-            .listeners
-            .clone()
-            .unwrap_or_default()
+    fn get_listeners(&self) -> Option<Vec<url::Url>> {
+        self.config.lock().unwrap().listeners.clone()
     }
 
     fn set_listeners(&self, listeners: Vec<url::Url>) {

easytier/src/easytier-core.rs

@@ -182,7 +182,6 @@ struct Cli {
         env = "ET_LISTENERS",
         value_delimiter = ',',
         help = t!("core_clap.listeners").to_string(),
-        default_values_t = ["11010".to_string()],
         num_args = 0..
     )]
     listeners: Vec<String>,
@@ -558,6 +557,13 @@ impl TryFrom<&Cli> for TomlConfigLoader {
                     .map(|s| s.parse().unwrap())
                     .collect(),
             );
+        } else if cfg.get_listeners() == None {
+            cfg.set_listeners(
+                Cli::parse_listeners(false, vec!["11010".to_string()])?
+                    .into_iter()
+                    .map(|s| s.parse().unwrap())
+                    .collect(),
+            );
         }
 
         if !cli.mapped_listeners.is_empty() {