84 lines
1.3 KiB
Go
84 lines
1.3 KiB
Go
// vi:ts=4:sts=4:sw=4:noet:tw=72
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package xlog
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import (
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"fmt"
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"log"
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"os"
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"runtime"
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)
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const (
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FATAL = iota
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ERROR
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WARNING
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INFO
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DEBUG
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)
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var levelNames = map[int]string{
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FATAL: "[FAT] ",
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ERROR: "[ERR] ",
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WARNING: "[WRN] ",
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INFO: "[INF] ",
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DEBUG: "[DBG] ",
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}
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var logLevel int
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var logger *log.Logger
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type LogWriter struct {
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}
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func (w *LogWriter) Write(buf []byte) (int, error) {
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fmt.Printf("%s", string(buf))
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return len(buf), nil
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}
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func Init(lvl int) {
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logger = log.New(&LogWriter{}, "", log.Ldate|log.Ltime)
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logLevel = lvl
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}
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func Log(lvl int, s string, a ...interface{}) {
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if lvl <= logLevel {
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_, file, line, ok := runtime.Caller(2)
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if !ok {
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file = "???"
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} else {
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short := file
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for i := len(file) - 1; i > 0; i-- {
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if file[i] == '/' {
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short = file[i+1:]
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break
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}
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}
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file = short
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}
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l := fmt.Sprintf("%d", line)
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logger.Printf(levelNames[lvl]+file+":"+l+": "+s, a...)
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}
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}
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func Debug(s string, a ...interface{}) {
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Log(DEBUG, s, a...)
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}
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func Info(s string, a ...interface{}) {
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Log(INFO, s, a...)
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}
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func Warning(s string, a ...interface{}) {
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Log(WARNING, s, a...)
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}
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func Error(s string, a ...interface{}) {
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Log(ERROR, s, a...)
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}
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func Fatal(s string, a ...interface{}) {
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Log(FATAL, s, a...)
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os.Exit(0)
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}
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