/
logger.go
299 lines (265 loc) · 8.23 KB
/
logger.go
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package logger
import (
"fmt"
"os"
"regexp"
"runtime"
"strconv"
"strings"
"time"
)
const (
black = iota
red
green
yellow
blue
purple
cyan
white
)
const (
fBlack = iota
fRed
fGreen
fYellow
fBlue
fPurple
fCyan
fWhite
)
//Logger класс логгера
type Logger struct {
logs map[string]*level
}
type level struct {
level string
color int
backColor int
format string
formatFile string
file *os.File
}
//InitLogger иницилезирует логгер
func InitLogger(pathFile string) *Logger {
Log := Logger{
logs: make(map[string]*level),
}
logI := new(level)
logI.level = "INFO"
logI.color = 251
logI.backColor = 233
logI.format = logI.initForm("%{color:b}%{color:f}%{color} %{level} %{color:rf} %{time:2006/01/02--15:04:05} >>> WHERE [ %{file:1} ] MSG %{color:r}\"%{message}\"")
logI.formatFile = logI.initForm(" %{level} %{time:2006/01/02--15:04:05} >>> WHERE %{file:1} MSG %{message}")
logS := new(level)
logS.level = "SERVICE"
logS.color = 86
logS.backColor = 96
logS.format = logS.initForm("%{color:f}%{color:b}%{color} %{level} %{color:rf} %{time:2006/01/02--15:04:05} >>> WHERE [ %{file:1} ] MSG %{color:r}\"%{message}\"")
logS.formatFile = logS.initForm("%{level} %{time:2006/01/02--15:04:05} >>> WHERE %{file:1} MSG %{message}")
logW := new(level)
logW.level = "WARNING"
logW.color = 226
logW.backColor = 239
logW.format = logW.initForm("%{color:f}%{color:b}%{color} %{level} %{color:rf} %{time:2006/01/02--15:04:05} >>> WHERE [ %{file:1} ] MSG %{color:r}\"%{message}\"")
logW.formatFile = logW.initForm("%{level} %{time:2006/01/02--15:04:05} >>> WHERE %{file:1} MSG %{message}")
logE := new(level)
logE.level = "ERROR"
logE.color = 9
logE.backColor = 188
logE.format = logE.initForm("%{color:f}%{color:b}%{color} %{level} %{color:rf} %{time:2006/01/02--15:04:05} >>> WHERE [ %{file} ] MSG %{color:r}\"%{message}\"")
logE.formatFile = logE.initForm(" %{level} %{time:2006/01/02--15:04:05} >>> WHERE %{file} MSG %{message}")
logF := new(level)
logF.level = "FATAL"
logF.color = 128
logF.backColor = 215
logF.format = logF.initForm("%{color:f}%{color:b}%{color} %{level} %{color:rf} %{time:2006/01/02--15:04:05} >>> WHERE [ %{file} ] MSG %{color:r}\"%{message}\"")
logF.formatFile = logF.initForm(" %{level} %{time:2006/01/02--15:04:05} >>> WHERE %{file} MSG %{message}")
Log.logs["info"] = logI
Log.logs["warn"] = logW
Log.logs["err"] = logE
Log.logs["fatal"] = logF
Log.logs["serv"] = logS
if pathFile != "" {
outFile, err := os.OpenFile(pathFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0755)
if err != nil {
Log.Info("Log canot open")
} else {
logI.file = outFile
logW.file = outFile
logE.file = outFile
logF.file = outFile
logS.file = outFile
}
}
return &Log
}
//Infof выводит информационное сообщение
func (l *Logger) Infof(format string, args ...interface{}) {
l.logs["info"].log(format, args...)
}
//Servicef выводит серверное сообщение
func (l *Logger) Servicef(format string, args ...interface{}) {
l.logs["serv"].log(format, args...)
}
//Warningf выводит предупреждающее сообщение
func (l *Logger) Warningf(format string, args ...interface{}) {
l.logs["warn"].log(format, args...)
}
//Errorf выводит сообщение ошибки
func (l *Logger) Errorf(format string, args ...interface{}) {
l.logs["err"].log(format, args...)
}
//Fatalf выводит критическое сообщение
func (l *Logger) Fatalf(format string, args ...interface{}) {
l.logs["fatal"].log(format, args...)
os.Exit(1)
}
//Info выводит информационное сообщение
func (l *Logger) Info(args ...interface{}) {
l.logs["info"].log("", args...)
}
//Service выводит серверное сообщение
func (l *Logger) Service(args ...interface{}) {
l.logs["serv"].log("", args...)
}
//Warning выводит предупреждающее сообщение
func (l *Logger) Warning(args ...interface{}) {
l.logs["warn"].log("", args...)
}
//Error выводит сообщение ошибки
func (l *Logger) Error(args ...interface{}) {
l.logs["err"].log("", args...)
}
//Fatal выводит критическое сообщение
func (l *Logger) Fatal(args ...interface{}) {
l.logs["fatal"].log("", args...)
os.Exit(1)
}
func (lv *level) log(format string, args ...interface{}) {
var message string
if strings.TrimSpace(format) != "" {
message = fmt.Sprintf(format, args...)
} else {
for _, v := range args {
if message == "" {
message = fmt.Sprint(v)
} else {
message = strings.Join([]string{message, fmt.Sprint(v)}, " ")
}
}
}
formatlevel := lv.parser(lv.format)
fmt.Printf(formatlevel+"\n", message)
if lv.file != nil {
formatFile := lv.parser(lv.formatFile)
_, err := lv.file.WriteString(fmt.Sprintf(formatFile+"\n", message))
if err != nil {
fmt.Printf("\n"+formatlevel, "Log writer failed")
}
}
}
//SetLevelFormatConsole изменение формата вывода в консоль
func (l *Logger) SetLevelFormatConsole(level, format string) {
if lv, ok := l.logs[level]; ok {
lv.format = format
} else {
l.Warning("Level is not found")
}
}
//SetLevelFormatFile изменение формата вывода в фаил
func (l *Logger) SetLevelFormatFile(level, format string) {
if lv, ok := l.logs[level]; ok {
lv.formatFile = format
} else {
l.Warning("Level is not found")
}
}
//SetLevelFile изменение файла вывода
func (l *Logger) SetLevelFile(level string, file *os.File) {
if lv, ok := l.logs[level]; ok {
lv.file = file
} else {
l.Warning("Level is not found")
}
}
//SetLevelColor изменение цвета сообщения
func (l *Logger) SetLevelColor(level string, color int) {
if lv, ok := l.logs[level]; ok {
lv.color = color
} else {
l.Warning("Level is not found")
}
}
//SetLevelBackColor изменение цвета фона сообщения
func (l *Logger) SetLevelBackColor(level string, color int) {
if lv, ok := l.logs[level]; ok {
lv.backColor = color
} else {
l.Warning("Level is not found")
}
}
//SetFormatConsole изменение формата вывода в консоль
func (l *Logger) SetFormatConsole(format string) {
for _, v := range l.logs {
v.format = format
}
}
//SetFormatFile изменение формата вывода в фаил
func (l *Logger) SetFormatFile(format string) {
for _, v := range l.logs {
v.formatFile = format
}
}
//SetFile изменение файла вывода
func (l *Logger) SetFile(file *os.File) {
for _, v := range l.logs {
v.file = file
}
}
func (lv *level) initForm(format string) string {
color := "\x1b[38;5;" + fmt.Sprint(lv.color) + "m"
colorF := "\x1b[48;5;" + fmt.Sprint(lv.backColor) + "m"
format = strings.ReplaceAll(format, "%{message}", "%v")
format = strings.ReplaceAll(format, "%{level}", lv.level)
format = strings.ReplaceAll(format, "%{color}", color)
format = strings.ReplaceAll(format, "%{color:f}", colorF)
format = strings.ReplaceAll(format, "%{color:rf}", "\x1b[49m")
format = strings.ReplaceAll(format, "%{color:rb}", "\x1b[22m")
format = strings.ReplaceAll(format, "%{color:r}", "\x1b[0m")
format = strings.ReplaceAll(format, "%{color:b}", "\x1b[1m")
return format
}
func (lv *level) parser(format string) string {
regex := regexp.MustCompile("%{time[^{}]+")
dateFind := regex.FindString(format)
regex = regexp.MustCompile("%{file[^{}]+")
fileFind := regex.FindString(format)
dateForm := strings.TrimPrefix(dateFind, "%{time:")
fileCalldeph, _ := strconv.ParseInt(strings.TrimPrefix(fileFind, "%{file:"), 10, 64)
t := time.Now()
tForm := t.Format("01 02 2006:04:05.000000")
if dateForm != "" {
tForm = t.Format(dateForm)
}
if dateFind == "" {
dateFind = "%{time"
}
_, file, line, ok := runtime.Caller(3)
if ok {
arrHistrF := strings.Split(file, "/")
if fileCalldeph > 0 && fileCalldeph < int64(len(arrHistrF)) {
file = ""
for i := 1; int64(i) <= fileCalldeph; i++ {
file = "/" + arrHistrF[len(arrHistrF)-i] + file
}
}
}
if fileFind == "" {
fileFind = "%{file"
}
file += ":" + fmt.Sprint(line)
format = strings.ReplaceAll(format, dateFind+"}", tForm)
format = strings.ReplaceAll(format, fileFind+"}", file)
return format
}