// 检查状态，并在满足持续空闲时间的条件时采取必要措施。
func checkStatus(
scheduler sched.Scheduler,
intervalNs time.Duration,
maxIdleCount uint,
autoStop bool,
checkCountChan chan<- uint64,
record Record,
stopNotifier chan<- byte) {
var checkCount uint64
go func() {
defer func() {
stopNotifier <- 1
stopNotifier <- 2
checkCountChan <- checkCount
}()
// 等待调度器开启
waitForSchedulerStart(scheduler)
// 准备
var idleCount uint
var firstIdleTime time.Time
for {
// 检查调度器的空闲状态
if scheduler.Idle() {
idleCount++
if idleCount == 1 {
firstIdleTime = time.Now()
}
if idleCount >= maxIdleCount {
msg :=
fmt.Sprintf(msgReachMaxIdleCount, time.Since(firstIdleTime).String())
record(0, msg)
// 再次检查调度器的空闲状态，确保它已经可以被停止
if scheduler.Idle() {
if autoStop {
var result string
if scheduler.Stop() {
result = "success"
} else {
result = "failing"
}
msg = fmt.Sprintf(msgStopScheduler, result)
record(0, msg)
}
break
} else {
if idleCount > 0 {
idleCount = 0
}
}
}
} else {
if idleCount > 0 {
idleCount = 0
}
}
checkCount++
time.Sleep(intervalNs)
}
}()
}
