95 lines
1.7 KiB
Go
95 lines
1.7 KiB
Go
// logger
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package main
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import (
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"github.com/kardianos/osext"
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"log"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"time"
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)
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type statusWriter struct {
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http.ResponseWriter
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status int
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length int
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}
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func (w *statusWriter) WriteHeader(status int) {
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w.status = status
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w.ResponseWriter.WriteHeader(status)
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}
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func (w *statusWriter) Write(b []byte) (int, error) {
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if w.status == 0 {
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w.status = 200
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}
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w.length = len(b)
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return w.ResponseWriter.Write(b)
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}
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var logChan = make(chan string, 10000)
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func init() {
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go func() {
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const fmtFileName = "${app_path}\\log\\ex${date}.log"
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var (
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lastLogging = time.Time{}
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logFile *os.File
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err error
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str string
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)
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defer func() {
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if logFile != nil {
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logFile.Close()
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}
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}()
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basePath := ""
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exeName, err := osext.Executable()
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if err == nil {
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exeName, err = filepath.Abs(exeName)
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if err == nil {
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basePath = filepath.Dir(exeName)
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}
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}
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for {
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select {
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case str = <-logChan:
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{
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if lastLogging.Format("2006_01_02") != time.Now().Format("2006_01_02") {
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if logFile != nil {
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logFile.Close()
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}
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fileName := os.Expand(fmtFileName, func(key string) string {
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switch strings.ToUpper(key) {
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case "APP_PATH":
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return basePath
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case "DATE":
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return time.Now().Format("2006_01_02")
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default:
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return ""
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}
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})
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dir, _ := filepath.Split(fileName)
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os.MkdirAll(dir, os.ModeDir)
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logFile, err = os.OpenFile(fileName, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
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if err != nil {
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log.Fatalln(err)
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}
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}
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lastLogging = time.Now()
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logFile.WriteString(str)
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}
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}
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}
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}()
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}
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func writeToLog(msg string) {
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logChan <- msg
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}
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