working cmd handler

logging.hpp

@@ -59,32 +59,45 @@ class log {
     return logger_impl.init();
   }
 
-  static void error(std::string_view message) {
-    log_impl(LogLevel::ERROR, message);
+  template <typename... Args>
+  static void error(Args&&... args) {
+    log_impl_begin(LogLevel::ERROR);
+    log_impl(std::forward<Args&&>(args)...);
   }
 
-  static void debug(std::string_view message) {
-    log_impl(LogLevel::DEBUG, message);
+  template <typename... Args>
+  static void debug(Args&&... args) {
+    log_impl_begin(LogLevel::DEBUG);
+    log_impl(std::forward<Args&&>(args)...);
   }
 
-  static void info(std::string_view message) {
-    log_impl(LogLevel::INFO, message);
+  template <typename... Args>
+  static void info(Args&&... args) {
+    log_impl_begin(LogLevel::INFO);
+    log_impl(std::forward<Args&&>(args)...);
   }
 
   static void set_loglevel(LogLevel level) { log_level = level; }
 
  private:
-  static void log_impl(LogLevel level, std::string_view message) {
+  static bool log_impl_begin(LogLevel level) {
     if (log_level < level) {
-      return;
+      return false;
     }
 
-    // std::stringstream msg;
-    // msg << get_loglevel_string(level) << ": " << message;
     logger->log(get_loglevel_string(level));
     logger->log(": ");
-    logger->log(message);
+    return true;
+  }
 
+  template <typename... Args>
+  static void log_impl(std::string_view message, Args&&... args) {
+    logger->log(message);
+    log_impl(std::forward<Args&&>(args)...);
+  }
+
+  static void log_impl(std::string_view message) {
+    logger->log(message);
     constexpr std::string_view carriage_return{"\r\n"};
     logger->log(carriage_return);
   }