mirror of https://github.com/siddontang/go.git
117 lines
2.2 KiB
Go
117 lines
2.2 KiB
Go
package log
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import (
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"fmt"
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"log"
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"os"
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)
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const (
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LevelTrace = iota
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LevelDebug
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LevelInfo
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LevelWarn
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LevelError
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LevelFatal
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)
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var LevelName [6]string = [6]string{"Trace", "Debug", "Info", "Warn", "Error", "Fatal"}
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type Logger struct {
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logger *log.Logger
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level int
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handler Handler
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}
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func New(handler Handler, flag int) *Logger {
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var l = new(Logger)
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l.logger = log.New(handler, "", flag) //log.LstdFlags|log.Lshortfile)
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l.level = LevelInfo
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l.handler = handler
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return l
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}
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func NewDefault(handler Handler) *Logger {
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return New(handler, log.LstdFlags|log.Lshortfile)
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}
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func newStdHandler() *StreamHandler {
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h, _ := NewDefaultStreamHandler(os.Stdout)
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return h
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}
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var std = NewDefault(newStdHandler())
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func (l *Logger) Close() {
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l.handler.Close()
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}
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func (l *Logger) SetLevel(level int) {
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l.level = level
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}
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func (l *Logger) Output(callDepth int, level int, format string, v ...interface{}) {
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if l.level <= level {
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f := fmt.Sprintf("[%s] %s", LevelName[level], format)
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s := fmt.Sprintf(f, v...)
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l.logger.Output(callDepth, s)
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}
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}
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func (l *Logger) Write(s string) {
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l.logger.Output(3, s)
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}
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func (l *Logger) Trace(format string, v ...interface{}) {
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l.Output(3, LevelTrace, format, v...)
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}
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func (l *Logger) Debug(format string, v ...interface{}) {
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l.Output(3, LevelDebug, format, v...)
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}
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func (l *Logger) Info(format string, v ...interface{}) {
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l.Output(3, LevelInfo, format, v...)
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}
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func (l *Logger) Warn(format string, v ...interface{}) {
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l.Output(3, LevelWarn, format, v...)
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}
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func (l *Logger) Error(format string, v ...interface{}) {
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l.Output(3, LevelError, format, v...)
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}
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func (l *Logger) Fatal(format string, v ...interface{}) {
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l.Output(3, LevelFatal, format, v...)
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}
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func SetLevel(level int) {
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std.SetLevel(level)
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}
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func Trace(format string, v ...interface{}) {
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std.Output(3, LevelTrace, format, v...)
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}
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func Debug(format string, v ...interface{}) {
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std.Output(3, LevelDebug, format, v...)
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}
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func Info(format string, v ...interface{}) {
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std.Output(3, LevelInfo, format, v...)
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}
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func Warn(format string, v ...interface{}) {
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std.Output(3, LevelWarn, format, v...)
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}
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func Error(format string, v ...interface{}) {
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std.Output(3, LevelError, format, v...)
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}
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func Fatal(format string, v ...interface{}) {
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std.Output(3, LevelFatal, format, v...)
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}
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