code: private void preLog(RequestDTO request, byte[] reqBytes) {
          LOG.info(String.format("Navi rpc call start - %d\t%s\t%s\t%s\t%d", request.getTraceId(),
                  url, request.getMethod(), serializeHandler.getProtocol().getName(),
                  reqBytes == null ? 0 : reqBytes.length));
      }
docs: 执行前打印日志
  
  @param request
  @param reqBytes