wisski-cloud-distillery/internal/wait/wait.go
Tom Wiesing 7b38fdd801
Do a large chunk of the move to go
This commit moves a huge chunk of the code to go. The TODO.md document
indicates what is left to be done.
2022-09-08 14:39:04 +02:00

31 lines
565 B
Go

package wait
import (
"context"
"time"
)
// Wait repeatedly invokes f, until it returns true or the context is closed.
// The invocation interval is determined by interval.
func Wait(f func() bool, interval time.Duration, context context.Context) error {
// create a new timer
timer := time.NewTimer(interval)
if !timer.Stop() {
<-timer.C
}
defer timer.Stop()
for {
if f() {
return nil
}
// reset the timer, and wait for it again!
timer.Reset(interval)
select {
case <-timer.C:
case <-context.Done():
return context.Err()
}
}
}