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package fakeclock
import (
"sync"
"time"
)
type fakeTimer struct {
clock *FakeClock
mutex sync.Mutex
completionTime time.Time
channel chan time.Time
duration time.Duration
repeat bool
}
func newFakeTimer(clock *FakeClock, d time.Duration, repeat bool) *fakeTimer {
return &fakeTimer{
clock: clock,
completionTime: clock.Now().Add(d),
channel: make(chan time.Time, 1),
duration: d,
repeat: repeat,
}
}
func (ft *fakeTimer) C() <-chan time.Time {
ft.mutex.Lock()
defer ft.mutex.Unlock()
return ft.channel
}
func (ft *fakeTimer) Reset(d time.Duration) bool {
currentTime := ft.clock.Now()
ft.mutex.Lock()
active := !ft.completionTime.IsZero()
ft.completionTime = currentTime.Add(d)
ft.mutex.Unlock()
ft.clock.addTimeWatcher(ft)
return active
}
func (ft *fakeTimer) Stop() bool {
ft.mutex.Lock()
active := !ft.completionTime.IsZero()
ft.completionTime = time.Time{}
ft.mutex.Unlock()
ft.clock.removeTimeWatcher(ft)
return active
}
func (ft *fakeTimer) timeUpdated(now time.Time) {
var fire bool
ft.mutex.Lock()
if !ft.completionTime.IsZero() {
fire = now.After(ft.completionTime) || now.Equal(ft.completionTime)
}
ft.mutex.Unlock()
if fire {
select {
case ft.channel <- now:
ft.Stop()
default:
}
if ft.repeat {
ft.Reset(ft.duration)
}
}
}
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