mirror of
https://gitee.com/johng/gf
synced 2026-07-04 21:03:13 +08:00
444 lines
9.9 KiB
Go
444 lines
9.9 KiB
Go
// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://gitee.com/johng/gf.
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// 日志模块.
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// 直接文件/输出操作，没有异步逻辑，没有使用缓存或者通道
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package glog
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import (
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"sync"
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"os"
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"io"
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"time"
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"fmt"
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"errors"
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"strings"
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"path/filepath"
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"gitee.com/johng/gf/g/os/gfile"
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"gitee.com/johng/gf/g/os/gfilepool"
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"runtime"
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"strconv"
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)
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type Logger struct {
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mutex sync.RWMutex
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logio io.Writer
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debug bool // 是否允许输出DEBUG信息
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logpath string // 日志写入的目录路径
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lastlogdate string // 上一次写入日志的日期，例如: 2006-01-02
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}
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// 默认的日志对象
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var logger = New()
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// 新建自定义的日志操作对象
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func New() *Logger {
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return &Logger{
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debug : true,
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}
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}
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// 日志日志目录绝对路径
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func SetLogPath(path string) {
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logger.SetLogPath(path)
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}
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// 设置是否允许输出DEBUG信息
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func SetDebug(debug bool) {
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logger.SetDebug(debug)
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}
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// 获取日志目录绝对路径
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func GetLogPath() string {
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return logger.GetLogPath()
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}
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func Print(v ...interface{}) {
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logger.Print(v ...)
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}
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func Printf(format string, v ...interface{}) {
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logger.Printf(format, v ...)
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}
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func Println(v ...interface{}) {
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logger.Println(v ...)
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}
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func Printfln(format string, v ...interface{}) {
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logger.Printfln(format, v ...)
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}
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func Fatal(v ...interface{}) {
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logger.Fatal(v ...)
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}
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func Fatalf(format string, v ...interface{}) {
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logger.Fatalf(format, v ...)
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}
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func Fatalln(v ...interface{}) {
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logger.Fatalln(v ...)
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}
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func Fatalfln(format string, v ...interface{}) {
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logger.Fatalfln(format, v ...)
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}
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func Panic(v ...interface{}) {
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logger.Panic(v ...)
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}
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func Panicf(format string, v ...interface{}) {
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logger.Panicf(format, v ...)
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}
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func Panicln(v ...interface{}) {
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logger.Panicln(v ...)
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}
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func Panicfln(format string, v ...interface{}) {
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logger.Panicfln(format, v ...)
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}
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func Info(v ...interface{}) {
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logger.Info(v...)
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}
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func Debug(v ...interface{}) {
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logger.Debug(v...)
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}
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func Notice(v ...interface{}) {
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logger.Notice(v...)
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}
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func Warning(v ...interface{}) {
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logger.Warning(v...)
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}
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func Error(v ...interface{}) {
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logger.Error(v...)
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}
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func Critical(v ...interface{}) {
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logger.Critical(v...)
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}
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func Infof(format string, v ...interface{}) {
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logger.Infof(format, v...)
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}
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func Debugf(format string, v ...interface{}) {
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logger.Debugf(format, v...)
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}
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func Noticef(format string, v ...interface{}) {
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logger.Noticef(format, v...)
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}
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func Warningf(format string, v ...interface{}) {
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logger.Warningf(format, v...)
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}
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func Errorf(format string, v ...interface{}) {
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logger.Errorf(format, v...)
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}
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func Criticalf(format string, v ...interface{}) {
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logger.Criticalf(format, v...)
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}
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func Infofln(format string, v ...interface{}) {
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logger.Infofln(format, v...)
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}
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func Debugfln(format string, v ...interface{}) {
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logger.Debugfln(format, v...)
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}
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func Noticefln(format string, v ...interface{}) {
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logger.Noticefln(format, v...)
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}
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func Warningfln(format string, v ...interface{}) {
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logger.Warningfln(format, v...)
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}
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func Errorfln(format string, v ...interface{}) {
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logger.Errorfln(format, v...)
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}
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func Criticalfln(format string, v ...interface{}) {
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logger.Criticalfln(format, v...)
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}
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func (l *Logger) GetLogIO() io.Writer {
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l.mutex.RLock()
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r := l.logio
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l.mutex.RUnlock()
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return r
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}
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func (l *Logger) GetDebug() bool {
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l.mutex.RLock()
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r := l.debug
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l.mutex.RUnlock()
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return r
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}
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func (l *Logger) GetLogPath() string {
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l.mutex.RLock()
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r := l.logpath
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l.mutex.RUnlock()
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return r
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}
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func (l *Logger) GetLastLogDate() string {
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l.mutex.RLock()
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r := l.lastlogdate
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l.mutex.RUnlock()
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return r
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}
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func (l *Logger) SetLogIO(w io.Writer) {
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l.mutex.RLock()
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l.logio = w
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l.mutex.RUnlock()
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}
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func (l *Logger) SetDebug(debug bool) {
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l.mutex.Lock()
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l.debug = debug
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l.mutex.Unlock()
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}
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// 设置日志文件的存储目录路径
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func (l *Logger) SetLogPath(path string) error {
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// 检测目录权限
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if !gfile.Exists(path) {
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if err := gfile.Mkdir(path); err != nil {
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fmt.Fprintln(os.Stderr, err)
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return err
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}
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}
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if !gfile.IsWritable(path) {
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errstr := path + " is no writable for current user"
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fmt.Fprintln(os.Stderr, errstr)
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return errors.New(errstr)
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}
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l.mutex.Lock()
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l.logpath = strings.TrimRight(path, string(filepath.Separator))
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l.mutex.Unlock()
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// 重新检查日志io对象
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l.checkLogIO()
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return nil
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}
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// 检查文件名称是否已经过期，如果过期那么需要新建一个日志文件(默认按照日期分隔)
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func (l *Logger) checkLogIO() {
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date := time.Now().Format("2006-01-02")
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if date != l.GetLastLogDate() {
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if path := l.GetLogPath(); path != "" {
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fname := date + ".log"
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fpath := path + string(filepath.Separator) + fname
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if fp, err := gfilepool.OpenWithPool(fpath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 600); err == nil {
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l.SetLogIO(fp.File())
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} else {
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fmt.Fprintln(os.Stderr, err)
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}
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}
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}
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}
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// 这里的互斥锁保证统一时刻只会写入一行日志，防止串日志的情况
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func (l *Logger) print(logio io.Writer, s string) {
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l.mutex.Lock()
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fmt.Fprint(logio, l.format(s))
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l.mutex.Unlock()
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}
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// 核心打印数据方法(标准输出)
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func (l *Logger) stdPrint(s string) {
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l.checkLogIO()
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logio := l.GetLogIO()
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if logio == nil {
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logio = os.Stdout
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}
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l.print(logio, s)
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}
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// 核心打印数据方法(标准错误)
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func (l *Logger) errPrint(s string) {
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l.checkLogIO()
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logio := l.GetLogIO()
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if logio == nil {
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logio = os.Stderr
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}
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// 记录调用回溯信息
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backtrace := l.backtrace()
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if s[len(s) - 1] == byte('\n') {
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s = s + backtrace + "\n"
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} else {
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s = s + "\n" + backtrace + "\n"
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}
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l.print(logio, s)
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}
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// 调用回溯字符串
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func (l *Logger) backtrace() string {
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backtrace := "Trace:\n"
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for i := 1; i < 10000; i++ {
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if _, cfile, cline, ok := runtime.Caller(i + 3); ok {
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backtrace += strconv.Itoa(i) + ". " + cfile + ":" + strconv.Itoa(cline) + "\n"
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} else {
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break
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}
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}
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return backtrace
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}
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func (l *Logger) format(s string) string {
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return time.Now().Format("2006-01-02 15:04:05 ") + s
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}
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func (l *Logger) Print(v ...interface{}) {
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l.stdPrint(fmt.Sprint(v...))
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}
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func (l *Logger) Printf(format string, v ...interface{}) {
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l.stdPrint(fmt.Sprintf(format, v...))
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}
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func (l *Logger) Println(v ...interface{}) {
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l.stdPrint(fmt.Sprintln(v...))
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}
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func (l *Logger) Printfln(format string, v ...interface{}) {
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l.stdPrint(fmt.Sprintf(format + "\n", v...))
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}
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func (l *Logger) Fatal(v ...interface{}) {
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l.errPrint(fmt.Sprint(v...))
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os.Exit(1)
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}
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func (l *Logger) Fatalf(format string, v ...interface{}) {
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l.errPrint(fmt.Sprintf(format, v...))
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os.Exit(1)
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}
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func (l *Logger) Fatalln(v ...interface{}) {
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l.errPrint(fmt.Sprintln(v...))
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os.Exit(1)
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}
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func (l *Logger) Fatalfln(format string, v ...interface{}) {
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l.errPrint(fmt.Sprintf(format + "\n", v...))
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os.Exit(1)
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}
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func (l *Logger) Panic(v ...interface{}) {
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s := fmt.Sprint(v...)
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l.errPrint(s)
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panic(s)
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}
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func (l *Logger) Panicf(format string, v ...interface{}) {
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s := fmt.Sprintf(format, v...)
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l.errPrint(s)
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panic(s)
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}
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func (l *Logger) Panicln(v ...interface{}) {
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s := fmt.Sprintln(v...)
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l.errPrint(s)
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panic(s)
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}
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func (l *Logger) Panicfln(format string, v ...interface{}) {
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s := fmt.Sprintf(format + "\n", v...)
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l.errPrint(s)
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panic(s)
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}
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func (l *Logger) Info(v ...interface{}) {
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l.stdPrint("[INFO] " + fmt.Sprintln(v...))
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}
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func (l *Logger) Debug(v ...interface{}) {
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if l.GetDebug() {
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l.stdPrint("[DEBU] " + fmt.Sprintln(v...))
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}
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}
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func (l *Logger) Notice(v ...interface{}) {
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l.errPrint("[NOTI] " + fmt.Sprintln(v...))
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}
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func (l *Logger) Warning(v ...interface{}) {
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l.errPrint("[WARN] " + fmt.Sprintln(v...))
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}
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func (l *Logger) Error(v ...interface{}) {
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l.errPrint("[ERRO] " + fmt.Sprintln(v...))
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}
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func (l *Logger) Critical(v ...interface{}) {
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l.errPrint("[CRIT] " + fmt.Sprintln(v...))
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}
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func (l *Logger) Infof(format string, v ...interface{}) {
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l.stdPrint("[INFO] " + fmt.Sprintf(format, v...))
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}
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func (l *Logger) Debugf(format string, v ...interface{}) {
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if l.GetDebug() {
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l.stdPrint("[DEBU] " + fmt.Sprintf(format, v...))
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}
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}
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func (l *Logger) Noticef(format string, v ...interface{}) {
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l.errPrint("[NOTI] " + fmt.Sprintf(format, v...))
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}
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func (l *Logger) Warningf(format string, v ...interface{}) {
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l.errPrint("[WARN] " + fmt.Sprintf(format, v...))
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}
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func (l *Logger) Errorf(format string, v ...interface{}) {
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l.errPrint("[ERRO] " + fmt.Sprintf(format, v...))
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}
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func (l *Logger) Criticalf(format string, v ...interface{}) {
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l.errPrint("[CRIT] " + fmt.Sprintf(format, v...))
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}
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func (l *Logger) Infofln(format string, v ...interface{}) {
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l.stdPrint("[INFO] " + fmt.Sprintf(format, v...) + "\n")
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}
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func (l *Logger) Debugfln(format string, v ...interface{}) {
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if l.GetDebug() {
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l.stdPrint("[DEBU] " + fmt.Sprintf(format, v...) + "\n")
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}
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}
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func (l *Logger) Noticefln(format string, v ...interface{}) {
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l.errPrint("[NOTI] " + fmt.Sprintf(format, v...) + "\n")
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}
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func (l *Logger) Warningfln(format string, v ...interface{}) {
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l.errPrint("[WARN] " + fmt.Sprintf(format, v...) + "\n")
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}
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func (l *Logger) Errorfln(format string, v ...interface{}) {
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l.errPrint("[ERRO] " + fmt.Sprintf(format, v...) + "\n")
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}
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func (l *Logger) Criticalfln(format string, v ...interface{}) {
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l.errPrint("[CRIT] " + fmt.Sprintf(format, v...) + "\n")
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} |