package log

import (
    rotatelogs "github.com/lestrrat-go/file-rotatelogs"
    llog "github.com/sirupsen/logrus"
    "time"
    "uwb_pos/config"
)

func init() {
    path := config.LogPath
    writer, _ := rotatelogs.New(
        //path+".%Y%m%d%H%M",
        path+".%Y%m%d%H",
        rotatelogs.WithLinkName(path),
        rotatelogs.WithMaxAge(time.Duration(config.LogMaxAge)*time.Hour),
        rotatelogs.WithRotationTime(time.Duration(config.LogRotatTm)*time.Minute),
    )
    llog.SetOutput(writer)
    if config.LogLevel == 1{
        llog.SetLevel(llog.DebugLevel)
    }else if config.LogLevel == 2{
        llog.SetLevel(llog.InfoLevel)
    }else if config.LogLevel == 3{
        llog.SetLevel(llog.WarnLevel)
    }else if config.LogLevel == 4{
        llog.SetLevel(llog.ErrorLevel)
    }
    // no set , it will be info
}

package main

import (
    ...
    _ "uwb_pos/utils/log"
　　...

)

func main() {
    //tcp
   process()
}

package udpserver

import (
    llog "github.com/sirupsen/logrus"
    "time"
)

func releaseLChan(){
    ...
    llog.Info("$$$end conn read" + time.Now().In(CstSh).Format("2006-01-02 15:04:05") + "$$$")
        ...
}

package config

const(
　　...//logs
    LogPath = "./logs/log"
    LogMaxAge = 24*60   //hour
    LogRotatTm = 60   //min
    LogLevel = 2  //1 debug 2 info 3 warn 4 error
　　...

)