87 lines
1.6 KiB
Go
87 lines
1.6 KiB
Go
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package log
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import (
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"fmt"
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"io"
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"log"
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"os"
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)
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const (
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calldepth = 2
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)
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var (
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logger = log.New(os.Stderr, "", 0)
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debug = false
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)
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func EnableTimestamps() {
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logger.SetFlags(logger.Flags() | log.Ldate | log.Ltime)
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}
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func EnableDebug() {
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debug = true
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}
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func Debug(v ...interface{}) {
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if debug {
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logger.Output(calldepth, header("DEBUG", fmt.Sprint(v...)))
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}
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}
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func Debugf(format string, v ...interface{}) {
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if debug {
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logger.Output(calldepth, header("DEBUG", fmt.Sprintf(format, v...)))
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}
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}
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func Info(v ...interface{}) {
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logger.Output(calldepth, header("INFO", fmt.Sprint(v...)))
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}
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func Infof(format string, v ...interface{}) {
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logger.Output(calldepth, header("INFO", fmt.Sprintf(format, v...)))
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}
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func Error(v ...interface{}) {
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logger.Output(calldepth, header("ERROR", fmt.Sprint(v...)))
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}
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func Errorf(format string, v ...interface{}) {
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logger.Output(calldepth, header("ERROR", fmt.Sprintf(format, v...)))
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}
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func Warning(v ...interface{}) {
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logger.Output(calldepth, header("WARN", fmt.Sprint(v...)))
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}
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func Warningf(format string, v ...interface{}) {
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logger.Output(calldepth, header("WARN", fmt.Sprintf(format, v...)))
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}
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func Fatal(v ...interface{}) {
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logger.Output(calldepth, header("FATAL", fmt.Sprint(v...)))
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os.Exit(1)
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}
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func Fatalf(format string, v ...interface{}) {
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logger.Output(calldepth, header("FATAL", fmt.Sprintf(format, v...)))
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os.Exit(1)
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}
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func header(lvl, msg string) string {
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return fmt.Sprintf("%s: %s", lvl, msg)
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}
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type logWriter string
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func (l logWriter) Write(p []byte) (n int, err error) {
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logger.Output(calldepth, header(string(l), string(p)))
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return len(p), nil
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}
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func InfoWriter() io.Writer {
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return logWriter("INFO")
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}
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