func buildAccessLogMsg()

in pkg/filter/accesslog/access_log.go [113:151]
37 lines of code
5 McCabe index (conditional complexity)

func buildAccessLogMsg(c *http.HttpContext, cost time.Duration) string {
	req := c.Request
	valueStr := req.URL.Query().Encode()
	if len(valueStr) != 0 {
		valueStr = strings.ReplaceAll(valueStr, "&", ",")
	}

	builder := strings.Builder{}
	builder.Grow(16)
	builder.WriteString("[")
	builder.WriteString(time.Now().Format(constant.MessageDateLayout))
	builder.WriteString("] ")
	builder.WriteString(req.RemoteAddr)
	builder.WriteString(" -> ")
	builder.WriteString(req.Host)
	builder.WriteString(" - ")
	if len(valueStr) > 0 {
		builder.WriteString("request params: [")
		builder.WriteString(valueStr)
		builder.WriteString("] ")
	}
	builder.WriteString("cost time [ ")
	builder.WriteString(strconv.Itoa(int(cost)) + " ]")
	err := c.GetLocalReplyBody()
	if err != nil {
		builder.WriteString(fmt.Sprintf("invoke err [ %v", err))
		builder.WriteString("] ")
	}
	resp := c.TargetResp.(*client.UnaryResponse).Data
	if err != nil {
		builder.WriteString(" response can not convert to string")
		builder.WriteString("] ")
	} else {
		builder.WriteString(fmt.Sprintf(" response [ %+v", string(resp)))
		builder.WriteString("] ")
	}
	// builder.WriteString("\n")
	return builder.String()
}