prysm-pulse/shared/runutil/every.go

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2019-12-13 23:14:56 +00:00
package runutil
import (
"context"
"reflect"
"runtime"
"time"
log "github.com/sirupsen/logrus"
)
// RunEvery runs the provided command periodically.
// It runs in a goroutine, and can be cancelled by finishing the supplied context.
func RunEvery(ctx context.Context, period time.Duration, f func()) {
funcName := runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name()
ticker := time.NewTicker(period)
go func() {
for {
select {
case <-ticker.C:
log.WithField("function", funcName).Trace("running")
f()
case <-ctx.Done():
log.WithField("function", funcName).Debug("context is closed, exiting")
ticker.Stop()
return
}
}
}()
}