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