allow set machine uid with command line (#1009)

easytier/src/common/constants.rs

@@ -1,21 +1,21 @@
 macro_rules! define_global_var {
     ($name:ident, $type:ty, $init:expr) => {
-        pub static $name: once_cell::sync::Lazy<tokio::sync::Mutex<$type>> =
-            once_cell::sync::Lazy::new(|| tokio::sync::Mutex::new($init));
+        pub static $name: once_cell::sync::Lazy<std::sync::Mutex<$type>> =
+            once_cell::sync::Lazy::new(|| std::sync::Mutex::new($init));
     };
 }
 
 #[macro_export]
 macro_rules! use_global_var {
     ($name:ident) => {
-        crate::common::constants::$name.lock().await.to_owned()
+        crate::common::constants::$name.lock().unwrap().to_owned()
     };
 }
 
 #[macro_export]
 macro_rules! set_global_var {
     ($name:ident, $val:expr) => {
-        *crate::common::constants::$name.lock().await = $val
+        *crate::common::constants::$name.lock().unwrap() = $val
     };
 }
 
@@ -23,6 +23,8 @@ define_global_var!(MANUAL_CONNECTOR_RECONNECT_INTERVAL_MS, u64, 1000);
 
 define_global_var!(OSPF_UPDATE_MY_GLOBAL_FOREIGN_NETWORK_INTERVAL_SEC, u64, 10);
 
+define_global_var!(MACHINE_UID, Option<String>, None);
+
 pub const UDP_HOLE_PUNCH_CONNECTOR_SERVICE_ID: u32 = 2;
 
 pub const WIN_SERVICE_WORK_DIR_REG_KEY: &str = "SOFTWARE\\EasyTier\\Service\\WorkDir";