anchor.diff:  
   
   %% @private
  -check_number(V) ->
  +check_number(V) when is_number(V) ->
       case (leo_math:power(2,32) =< V) of
           true ->
               4294967296;
  
positive.code:             0;
          false ->
              V
      end.
  
negative.code: get_and_set_mq_value([{?SNMP_MQ_NUM_OF_DEL_DIR = Id, ?QUEUE_ID_DEL_DIR}|Rest]) ->
      V = lists:foldl(
            fun(QId, SoFar) ->
                    RetN = case catch leo_mq_api:status(QId) of
                            {ok, Ret} ->
                                case leo_misc:get_value(
                                       ?MQ_CNS_PROP_NUM_OF_MSGS, Ret, 0) of
                                    N when is_number(N) ->
                                        N;
                                    _ ->
                                        0
                                end;
                            _ ->
                                0
                        end,
                    SoFar + RetN
            end, 0, ?del_dir_queue_list()),
      catch snmp_generic:variable_set(Id, V),
      get_and_set_mq_value(Rest);
  get_and_set_mq_value([{Id, QId}|Rest]) ->
      V = case catch leo_mq_api:status(QId) of
              {ok, Ret} ->
                  case leo_misc:get_value(?MQ_CNS_PROP_NUM_OF_MSGS, Ret, 0) of
                      N when is_integer(N) ->
                          N;
                      _ ->
                          0
                  end;
              _ ->
                  0
          end,
  