anchor.diff:  %%--------------------------------------------------------------------
   -spec stop() -> ok | {error, Reason :: term()}.
   stop() ->
  +    ?info("Stopping '~p' server...", [?NAGIOS_LISTENER]),
  +
       case cowboy:stop_listener(?NAGIOS_LISTENER) of
           ok ->
  -            ok;
  +            ?info("Server '~p' stopped", [?NAGIOS_LISTENER]);
           {error, Error} ->
  -            ?error("Error on stopping listener ~p: ~p",
  -                [?NAGIOS_LISTENER, Error]),
  +            ?error("Error on stopping server ~p: ~p", [?NAGIOS_LISTENER, Error]),
               {error, nagios_stop_error}
       end.
   
  
positive.code:             request_timeout => timer:seconds(Timeout)
          }),
      case Result of
          {ok, _} -> ok;
          _ -> Result
      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([
          {'_', [
  