add new method for litelib to check if server is online

lib/silentdragonlitelib.h

@@ -14,6 +14,7 @@ extern char * litelib_initialize_existing (bool dangerous,const char* server);
 extern char * litelib_execute             (const char* s, const char* args);
 extern void   litelib_rust_free_string    (char* s);
 extern char * blake3_PW                   (char* pw);
+extern bool litelib_check_server_online   (const char* server);
 
 #ifdef __cplusplus
 }

lib/src/lib.rs

@@ -245,6 +245,24 @@ pub extern fn litelib_execute(cmd: *const c_char, args: *const c_char) -> *mut c
     return c_str.into_raw();
 }
 
+// Check is Server Connection is fine
+#[no_mangle]
+pub extern "C" fn litelib_check_server_online(server: *const c_char) -> bool {
+    let server_str = unsafe {
+        assert!(!server.is_null());
+
+        CStr::from_ptr(server).to_string_lossy().into_owned()
+    };
+
+    let server = LightClientConfig::get_server_or_default(Some(server_str));
+    let result = LightClientConfig::create(server, false);
+
+    match result {
+        Ok(_) => true,
+        Err(_) => false,
+    }
+}
+
 /**
  * Callers that receive string return values from other functions should call this to return the string 
  * back to rust, so it can be freed. Failure to call this function will result in a memory leak