标签：return hwlog err -- msg go gin logger statusCode

// Copyright (c) 2021. Huawei Technologies Co., Ltd. All rights reserved.

// Package common the controller of the program
package common

import (
   "fmt"
   "github.com/gin-gonic/gin"
   "huawei.com/npu-exporter/hwlog"
   "math"
   "net/http"
   "time"
)

const (
   kilo = 1000.0
)

// InitHwlogger initialize run and operate logger
func InitHwlogger(runLogConfig, opLogConfig *hwlog.LogConfig, stopCh <-chan struct{}) error {
   err := hwlog.InitRunLogger(runLogConfig, stopCh)
   if err != nil {
      return err
   }
   hwlog.RunLog.Debugf("runLogConfig: %v", runLogConfig)
   err = hwlog.InitOperateLogger(opLogConfig, stopCh)
   if err != nil {
      return err
   }
   hwlog.OpLog.Debugf("operateLogConfig: %v", opLogConfig)
   return nil
}

// LoggerAdapter  for gin framework
func LoggerAdapter() gin.HandlerFunc {
   return func(c *gin.Context) {
      path := c.Request.URL.Path
      start := time.Now()
      c.Next()
      stop := time.Since(start)
      latency := int(math.Ceil(float64(stop.Nanoseconds()) / kilo / kilo))
      statusCode := c.Writer.Status()
      clientIP := c.ClientIP()
      clientUserAgent := c.Request.UserAgent()
      referer := c.Request.Referer()
      dataLength := c.Writer.Size()

      if dataLength < 0 {
         dataLength = 0
      }
      if len(c.Errors) > 0 {
         hwlog.RunLog.Error(c.Errors.ByType(gin.ErrorTypePrivate).String())
      } else {
         msg := fmt.Sprintf("%s: %s <%3d> (%dms) | %15s | %s| %s ",
            c.Request.Method, path, statusCode, latency, clientIP, referer, clientUserAgent)
         if statusCode >= http.StatusInternalServerError {
            hwlog.OpLog.Error(msg)
         } else if statusCode >= http.StatusBadRequest {
            hwlog.OpLog.Warn(msg)
         } else {
            hwlog.OpLog.Info(msg)
         }
      }

   }
}

标签：return,hwlog,err,--,msg,go,gin,logger,statusCode
来源： https://www.cnblogs.com/gongxianjin/p/16683173.html

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