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package main
import (
"time"
)
type Floodstop struct {
ask chan chan bool
stop chan struct{}
}
func NewFloodstop(reset time.Duration, countMax int) (fs *Floodstop) {
fs = &Floodstop{
ask: make(chan chan bool),
stop: make(chan struct{}),
}
ticker := time.NewTicker(reset)
counter := 0
go func() {
defer ticker.Stop()
for {
select {
case <-fs.stop:
return
case retCh := <-fs.ask:
counter++
retCh <- (counter < countMax)
case <-ticker.C:
counter = 0
}
}
}()
return
}
func (fs *Floodstop) Stop() {
fs.stop <- struct{}{}
}
func (fs *Floodstop) Ask() bool {
ch := make(chan bool)
fs.ask <- ch
return <-ch
}
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