142 lines
2.2 KiB
Go
142 lines
2.2 KiB
Go
package hotime
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import (
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"time"
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"sync"
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"strings"
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)
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type CacheMemory struct {
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Time int64
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Map
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contextBase
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mutex *sync.RWMutex
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}
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//获取Cache键只能为string类型
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func (this *CacheMemory) get(key string) interface{} {
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this.Error.SetError(nil)
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if this.Map[key] == nil {
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return nil
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}
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data := this.Map.Get(key, &this.Error).(cacheData)
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if this.GetError() != nil {
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return nil
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}
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//data:=cacheMap[key];
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if data.time <= time.Now().Unix() {
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delete(this.Map, key)
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return nil
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}
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return data.data
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}
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func (this *CacheMemory)refreshMap(){
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go func() {
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this.mutex.Lock()
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defer this.mutex.Unlock()
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for key,v:=range this.Map{
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data:=v.(cacheData)
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if data.time <= time.Now().Unix() {
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delete(this.Map, key)
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}
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}
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}()
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}
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//key value ,时间为时间戳
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func (this *CacheMemory) set(key string, value interface{}, time int64) {
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this.Error.SetError(nil)
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var data cacheData
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dd := this.Map.Get(key, &this.Error)
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if dd == nil {
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data = cacheData{}
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} else {
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data = dd.(cacheData)
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}
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data.time = time
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data.data = value
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if this.Map == nil {
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this.Map = Map{}
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}
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this.Map.Put(key, data)
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}
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func (this *CacheMemory) delete(key string) {
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del:=strings.Index(key,"*")
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//如果通配删除
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if del!=-1{
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key=Substr(key,0,del)
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for k,_:=range this.Map{
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if strings.Index(k,key)!=-1{
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delete(this.Map, key)
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}
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}
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}else{
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delete(this.Map, key)
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}
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}
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func (this *CacheMemory) Cache(key string, data ...interface{}) *Obj {
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x:=RandX(1,100000)
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if x>99950{
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this.refreshMap()
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}
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if this.mutex==nil{
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this.mutex=&sync.RWMutex{}
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}
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reData:= &Obj{}
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if len(data) == 0 {
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this.mutex.RLock()
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reData.Data=this.get(key)
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this.mutex.RUnlock()
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return reData
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}
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tim := time.Now().Unix()
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if len(data) == 1 && data[0] == nil {
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this.mutex.Lock()
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this.delete(key)
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this.mutex.Unlock()
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return reData
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}
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if len(data) == 1 {
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if this.Time == 0 {
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this.Time = Config.GetInt64("cacheShortTime")
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}
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tim += this.Time
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}
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if len(data) == 2 {
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this.Error.SetError(nil)
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tempt := ObjToInt64(data[1], &this.Error)
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if this.GetError() == nil {
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tim = tim + tempt
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}
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}
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this.mutex.Lock()
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this.set(key, data[0], tim)
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this.mutex.Unlock()
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return reData
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}
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