f5/async_task.go
aozhiwei c1fe4f0cb1 1
2024-04-09 21:15:05 +08:00

148 lines
2.7 KiB
Go

package f5
import (
)
type AsyncTask struct {
status int32
debugInfo string
cb func(*AsyncTask)
succCb func(*AsyncTask)
failCb func(*AsyncTask)
exitCb func(*AsyncTask)
preExecTimes int64
execTimes int64
lockKeys map[string]*taskLock
}
func (this *AsyncTask) init(cb func(*AsyncTask)) *AsyncTask {
this.cb = cb
return this
}
func (this *AsyncTask) GetExecTimes() int64 {
return this.execTimes
}
func (this *AsyncTask) IsRunning() bool {
return this.status == 0
}
func (this *AsyncTask) IsSucc() bool {
return this.status > 0
}
func (this *AsyncTask) IsFail() bool {
return this.status < 0
}
func (this *AsyncTask) SetSucc() {
if !this.IsRunning() {
panic("task is not runing")
}
this.status = 1
this.ClearLocks()
if this.succCb != nil {
this.succCb(this)
}
if this.exitCb != nil {
this.exitCb(this)
}
}
func (this *AsyncTask) SetFail() {
if !this.IsRunning() {
panic("task is not runing")
}
this.status = -1
this.ClearLocks()
if this.failCb != nil {
this.failCb(this)
}
if this.exitCb != nil {
this.exitCb(this)
}
}
func (this *AsyncTask) Continue() *AsyncTask {
if !this.IsRunning() {
panic("task is not runing")
}
if len(this.lockKeys) > 0 {
panic("lockTask not support continue")
}
GetApp().RegisterMainThreadCb(
func () {
this.cb(this)
this.execTimes += 1
})
return this
}
func (this *AsyncTask) checkDo() *AsyncTask {
if !this.IsRunning() {
panic("task is not runing")
}
if this.allIsReady() {
if this.preExecTimes <= 0 {
this.preExecTimes++
if this.preExecTimes > 1 {
panic("locktask preExectimes > 0")
}
GetApp().RegisterMainThreadCb(
func () {
this.cb(this)
if this.execTimes > 0 {
panic("locktask only run once")
}
this.execTimes += 1
})
}
}
return this
}
func (this *AsyncTask) OnSucc(cb func(*AsyncTask)) *AsyncTask {
this.succCb = cb
return this
}
func (this *AsyncTask) OnFail(cb func(*AsyncTask)) *AsyncTask {
this.failCb = cb
return this
}
func (this *AsyncTask) OnExit(cb func(*AsyncTask)) *AsyncTask {
this.exitCb = cb
return this
}
func (this *AsyncTask) allIsReady() bool {
var allReady = true
for _, lock := range(this.lockKeys) {
if !_app.isFirstAsyncTask(lock.key, &lock.entry) {
allReady = false
break
}
}
return allReady
}
func (this *AsyncTask) ClearLocks() {
for _, lock := range(this.lockKeys) {
lock.entry.DelInit()
}
for _, lock := range(this.lockKeys) {
_app.clearEmptyPendingAsyncTask(lock.key)
}
for _, lock := range(this.lockKeys) {
_app.notifyNextTask(lock.key)
}
}
func NewAsyncTask(cb func(*AsyncTask)) *AsyncTask {
p := new(AsyncTask)
p.lockKeys = make(map[string]*taskLock)
return p.init(cb).Continue()
}