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simple_log.go
44 lines (36 loc) · 896 Bytes
/
simple_log.go
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package decorator
import (
"io"
"log"
"os"
)
var (
Debug *log.Logger
Info *log.Logger
Error *log.Logger
InfoHandler io.Writer
)
func InitLog(
traceFileName string,
debugHandler io.Writer,
infoHandler io.Writer,
errorHandler io.Writer,
) {
if len(traceFileName) > 0 {
_ = os.Remove(traceFileName)
file, err := os.OpenFile(traceFileName, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0666)
if err != nil {
log.Fatalf("Failed to create log file: %s", traceFileName)
}
debugHandler = io.MultiWriter(file, debugHandler)
infoHandler = io.MultiWriter(file, infoHandler)
errorHandler = io.MultiWriter(file, errorHandler)
}
InfoHandler = infoHandler
Debug = log.New(debugHandler, "DEBUG : ",
log.Ldate|log.Ltime|log.Lshortfile)
Info = log.New(infoHandler, "INFO : ",
log.Ltime)
Error = log.New(errorHandler, "ERROR : ",
log.Ldate|log.Ltime|log.Lshortfile)
}