anchor.diff:              request_timeout => timer:seconds(Timeout)
           }),
       case Result of
  -        {ok, _} -> ok;
  -        _ -> Result
  +        {ok, _} ->
  +            ?info("Server '~p' started successfully", [?NAGIOS_LISTENER]);
  +        _ ->
  +            ?error("Could not start server '~p' - ~p", [?NAGIOS_LISTENER, Result]),
  +            Result
       end.
   
   
  
positive.code: %%--------------------------------------------------------------------
  -spec stop() -> ok | {error, Reason :: term()}.
  stop() ->
      case cowboy:stop_listener(?NAGIOS_LISTENER) of
          ok ->
              ok;
          {error, Error} ->
              ?error("Error on stopping listener ~p: ~p",
                  [?NAGIOS_LISTENER, Error]),
              {error, nagios_stop_error}
      end.
  
  
negative.code: %%--------------------------------------------------------------------
  -spec start() -> ok | {error, Reason :: term()}.
  start() ->
      ?info("Starting '~p' server...", [?NAGIOS_LISTENER]),
  
      {ok, NbAcceptors} = application:get_env(
          ?CLUSTER_WORKER_APP_NAME, http_number_of_acceptors
      ),
      {ok, MaxKeepAlive} = application:get_env(
          ?CLUSTER_WORKER_APP_NAME, http_max_keepalive
      ),
      {ok, Timeout} = application:get_env(
          ?CLUSTER_WORKER_APP_NAME, http_request_timeout
      ),
  
      Dispatch = cowboy_router:compile([
          {'_', [
  