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log.go
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log.go
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package log
import (
"context"
"fmt"
"github.com/duanhf2012/origin/util/bytespool"
jsoniter "github.com/json-iterator/go"
"io"
"log/slog"
"os"
"path"
"path/filepath"
"runtime"
"sync"
"sync/atomic"
"time"
)
var json = jsoniter.ConfigCompatibleWithStandardLibrary
var OpenConsole bool
var LogSize int64
var LogChannelCap int
var LogPath string
var LogLevel slog.Level = LevelTrace
var gLogger, _ = NewTextLogger(LevelDebug, "", "",true,LogChannelCap)
var isSetLogger bool
var memPool = bytespool.NewMemAreaPool()
// levels
const (
LevelTrace = slog.Level(-8)
LevelDebug = slog.LevelDebug
LevelInfo = slog.LevelInfo
LevelWarning = slog.LevelWarn
LevelError = slog.LevelError
LevelStack = slog.Level(12)
LevelDump = slog.Level(16)
LevelFatal = slog.Level(20)
)
type ILogger interface {
Trace(msg string, args ...any)
Debug(msg string, args ...any)
Info(msg string, args ...any)
Warning(msg string, args ...any)
Error(msg string, args ...any)
Stack(msg string, args ...any)
Dump(msg string, args ...any)
Fatal(msg string, args ...any)
DoSPrintf(level slog.Level,a []interface{})
FormatHeader(buf *Buffer,level slog.Level,calldepth int)
Close()
}
type Logger struct {
Slogger *slog.Logger
ioWriter IoWriter
sBuff Buffer
}
type IoWriter struct {
outFile io.Writer // destination for output
writeBytes int64
logChannel chan []byte
wg sync.WaitGroup
closeSig chan struct{}
lockWrite sync.Mutex
filePath string
fileprefix string
fileDay int
fileCreateTime int64 //second
}
func (iw *IoWriter) Close() error {
iw.lockWrite.Lock()
defer iw.lockWrite.Unlock()
iw.close()
return nil
}
func (iw *IoWriter) close() error {
if iw.closeSig != nil {
close(iw.closeSig)
iw.closeSig = nil
}
iw.wg.Wait()
if iw.outFile!= nil {
err := iw.outFile.(io.Closer).Close()
iw.outFile = nil
return err
}
return nil
}
func (iw *IoWriter) writeFile(p []byte) (n int, err error){
//swich log file
iw.swichFile()
if iw.outFile != nil {
n,err = iw.outFile.Write(p)
if n > 0 {
atomic.AddInt64(&iw.writeBytes,int64(n))
}
}
return 0,nil
}
func (iw *IoWriter) Write(p []byte) (n int, err error){
iw.lockWrite.Lock()
defer iw.lockWrite.Unlock()
if iw.logChannel == nil {
return iw.writeIo(p)
}
copyBuff := memPool.MakeBytes(len(p))
if copyBuff == nil {
return 0,fmt.Errorf("MakeByteSlice failed")
}
copy(copyBuff,p)
iw.logChannel <- copyBuff
return
}
func (iw *IoWriter) writeIo(p []byte) (n int, err error){
n,err = iw.writeFile(p)
if OpenConsole {
n,err = os.Stdout.Write(p)
}
return
}
func (iw *IoWriter) setLogChannel(logChannelNum int) (err error){
iw.lockWrite.Lock()
defer iw.lockWrite.Unlock()
iw.close()
if logChannelNum == 0 {
return nil
}
//copy iw.logChannel
var logInfo []byte
logChannel := make(chan []byte,logChannelNum)
for i := 0; i < logChannelNum&&i<len(iw.logChannel); i++{
logInfo = <- iw.logChannel
logChannel <- logInfo
}
iw.logChannel = logChannel
iw.closeSig = make(chan struct{})
iw.wg.Add(1)
go iw.run()
return nil
}
func (iw *IoWriter) run(){
defer iw.wg.Done()
Loop:
for{
select {
case <- iw.closeSig:
break Loop
case logs := <-iw.logChannel:
iw.writeIo(logs)
memPool.ReleaseBytes(logs)
}
}
for len(iw.logChannel) > 0 {
logs := <-iw.logChannel
iw.writeIo(logs)
memPool.ReleaseBytes(logs)
}
}
func (iw *IoWriter) isFull() bool {
if LogSize == 0 {
return false
}
return atomic.LoadInt64(&iw.writeBytes) >= LogSize
}
func (logger *Logger) setLogChannel(logChannel int) (err error){
return logger.ioWriter.setLogChannel(logChannel)
}
func (iw *IoWriter) swichFile() error{
now := time.Now()
if iw.fileCreateTime == now.Unix() {
return nil
}
if iw.fileDay == now.Day() && iw.isFull() == false {
return nil
}
if iw.filePath != "" {
var err error
fileName := fmt.Sprintf("%s%d%02d%02d_%02d_%02d_%02d.log",
iw.fileprefix,
now.Year(),
now.Month(),
now.Day(),
now.Hour(),
now.Minute(),
now.Second())
filePath := path.Join(iw.filePath, fileName)
iw.outFile,err = os.Create(filePath)
if err != nil {
return err
}
iw.fileDay = now.Day()
iw.fileCreateTime = now.Unix()
atomic.StoreInt64(&iw.writeBytes,0)
}
return nil
}
func NewTextLogger(level slog.Level,pathName string,filePrefix string,addSource bool,logChannelCap int) (ILogger,error){
var logger Logger
logger.ioWriter.filePath = pathName
logger.ioWriter.fileprefix = filePrefix
logger.Slogger = slog.New(NewOriginTextHandler(level,&logger.ioWriter,addSource,defaultReplaceAttr))
logger.setLogChannel(logChannelCap)
err := logger.ioWriter.swichFile()
if err != nil {
return nil,err
}
return &logger,nil
}
func NewJsonLogger(level slog.Level,pathName string,filePrefix string,addSource bool,logChannelCap int) (ILogger,error){
var logger Logger
logger.ioWriter.filePath = pathName
logger.ioWriter.fileprefix = filePrefix
logger.Slogger = slog.New(NewOriginJsonHandler(level,&logger.ioWriter,true,defaultReplaceAttr))
logger.setLogChannel(logChannelCap)
err := logger.ioWriter.swichFile()
if err != nil {
return nil,err
}
return &logger,nil
}
// It's dangerous to call the method on logging
func (logger *Logger) Close() {
logger.ioWriter.Close()
}
func (logger *Logger) Trace(msg string, args ...any) {
logger.Slogger.Log(context.Background(),LevelTrace,msg,args...)
}
func (logger *Logger) Debug(msg string, args ...any) {
logger.Slogger.Log(context.Background(),LevelDebug,msg,args...)
}
func (logger *Logger) Info(msg string, args ...any) {
logger.Slogger.Log(context.Background(),LevelInfo,msg,args...)
}
func (logger *Logger) Warning(msg string, args ...any) {
logger.Slogger.Log(context.Background(),LevelWarning,msg,args...)
}
func (logger *Logger) Error(msg string, args ...any) {
logger.Slogger.Log(context.Background(),LevelError,msg,args...)
}
func (logger *Logger) Stack(msg string, args ...any) {
logger.Slogger.Log(context.Background(),LevelStack,msg,args...)
}
func (logger *Logger) Dump(msg string, args ...any) {
logger.Slogger.Log(context.Background(),LevelDump,msg,args...)
}
func (logger *Logger) Fatal(msg string, args ...any) {
logger.Slogger.Log(context.Background(),LevelFatal,msg,args...)
os.Exit(1)
}
// It's non-thread-safe
func SetLogger(logger ILogger) {
if logger != nil && isSetLogger == false {
gLogger = logger
isSetLogger = true
}
}
func GetLogger() ILogger{
return gLogger
}
func Trace(msg string, args ...any){
gLogger.Trace(msg, args...)
}
func Debug(msg string, args ...any){
gLogger.Debug(msg,args...)
}
func Info(msg string, args ...any){
gLogger.Info(msg,args...)
}
func Warning(msg string, args ...any){
gLogger.Warning(msg,args...)
}
func Error(msg string, args ...any){
gLogger.Error(msg,args...)
}
func Stack(msg string, args ...any){
gLogger.Stack(msg,args...)
}
func Dump(dump string, args ...any){
gLogger.Dump(dump,args...)
}
func Fatal(msg string, args ...any){
gLogger.Fatal(msg,args...)
}
func Close() {
gLogger.Close()
}
func ErrorAttr(key string,value error) slog.Attr{
if value== nil {
return slog.Attr{key, slog.StringValue("nil")}
}
return slog.Attr{key, slog.StringValue(value.Error())}
}
func String(key, value string) slog.Attr {
return slog.Attr{key, slog.StringValue(value)}
}
func Int(key string, value int) slog.Attr {
return slog.Attr{key, slog.Int64Value(int64(value))}
}
func Int64(key string, value int64) slog.Attr {
return slog.Attr{key, slog.Int64Value(value)}
}
func Int32(key string, value int32) slog.Attr {
return slog.Attr{key, slog.Int64Value(int64(value))}
}
func Int16(key string, value int16) slog.Attr {
return slog.Attr{key, slog.Int64Value(int64(value))}
}
func Int8(key string, value int8) slog.Attr {
return slog.Attr{key, slog.Int64Value(int64(value))}
}
func Uint(key string, value uint) slog.Attr {
return slog.Attr{key, slog.Uint64Value(uint64(value))}
}
func Uint64(key string, v uint64) slog.Attr {
return slog.Attr{key, slog.Uint64Value(v)}
}
func Uint32(key string, value uint32) slog.Attr {
return slog.Attr{key, slog.Uint64Value(uint64(value))}
}
func Uint16(key string, value uint16) slog.Attr {
return slog.Attr{key, slog.Uint64Value(uint64(value))}
}
func Uint8(key string, value uint8) slog.Attr {
return slog.Attr{key, slog.Uint64Value(uint64(value))}
}
func Float64(key string, v float64) slog.Attr {
return slog.Attr{key, slog.Float64Value(v)}
}
func Bool(key string, v bool) slog.Attr {
return slog.Attr{key, slog.BoolValue(v)}
}
func Time(key string, v time.Time) slog.Attr {
return slog.Attr{key, slog.TimeValue(v)}
}
func Duration(key string, v time.Duration) slog.Attr {
return slog.Attr{key, slog.DurationValue(v)}
}
func Any(key string, value any) slog.Attr {
return slog.Attr{key, slog.AnyValue(value)}
}
func Group(key string, args ...any) slog.Attr {
return slog.Group(key, args...)
}
func (logger *Logger) DoSPrintf(level slog.Level,a []interface{}) {
if logger.Slogger.Enabled(context.Background(),level) == false{
return
}
logger.Slogger.Handler().(IOriginHandler).Lock()
defer logger.Slogger.Handler().(IOriginHandler).UnLock()
logger.sBuff.Reset()
logger.FormatHeader(&logger.sBuff,level,3)
for _,s := range a {
logger.sBuff.AppendString(slog.AnyValue(s).String())
}
logger.sBuff.AppendString("\"\n")
logger.ioWriter.Write([]byte(logger.sBuff.Bytes()))
}
func (logger *Logger) STrace(a ...interface{}) {
logger.DoSPrintf(LevelTrace,a)
}
func (logger *Logger) SDebug(a ...interface{}) {
logger.DoSPrintf(LevelDebug,a)
}
func (logger *Logger) SInfo(a ...interface{}) {
logger.DoSPrintf(LevelInfo,a)
}
func (logger *Logger) SWarning(a ...interface{}) {
logger.DoSPrintf(LevelWarning,a)
}
func (logger *Logger) SError(a ...interface{}) {
logger.DoSPrintf(LevelError,a)
}
func STrace(a ...interface{}) {
gLogger.DoSPrintf(LevelTrace,a)
}
func SDebug(a ...interface{}) {
gLogger.DoSPrintf(LevelDebug,a)
}
func SInfo(a ...interface{}) {
gLogger.DoSPrintf(LevelInfo,a)
}
func SWarning(a ...interface{}) {
gLogger.DoSPrintf(LevelWarning,a)
}
func SError(a ...interface{}) {
gLogger.DoSPrintf(LevelError,a)
}
func (logger *Logger) FormatHeader(buf *Buffer,level slog.Level,calldepth int) {
t := time.Now()
var file string
var line int
// Release lock while getting caller info - it's expensive.
var ok bool
_, file, line, ok = runtime.Caller(calldepth)
if !ok {
file = "???"
line = 0
}
file = filepath.Base(file)
buf.AppendString("time=\"")
buf.AppendString(t.Format("2006/01/02 15:04:05"))
buf.AppendString("\"")
logger.sBuff.AppendString(" level=")
logger.sBuff.AppendString(getStrLevel(level))
logger.sBuff.AppendString(" source=")
buf.AppendString(file)
buf.AppendByte(':')
buf.AppendInt(int64(line))
buf.AppendString(" msg=\"")
}