Example #1
0
// WaitResponse waits on the given stream for given duration.
// If there is no more events, true and a nil response will be
// returned closing the WatchClient stream. Or the response will
// be returned.
func WaitResponse(wc pb.Watch_WatchClient, timeout time.Duration) (bool, *pb.WatchResponse) {
	rCh := make(chan *pb.WatchResponse)
	go func() {
		resp, _ := wc.Recv()
		rCh <- resp
	}()
	select {
	case nr := <-rCh:
		return false, nr
	case <-time.After(timeout):
	}
	wc.CloseSend()
	rv, ok := <-rCh
	if rv != nil || !ok {
		return false, rv
	}
	return true, nil
}
Example #2
0
// waitResponse waits on the given stream for given duration.
// If there is no more events, true and a nil response will be
// returned closing the WatchClient stream. Or the response will
// be returned.
func waitResponse(wc pb.Watch_WatchClient, timeout time.Duration) (bool, *pb.WatchResponse) {
	rCh := make(chan *pb.WatchResponse, 1)
	donec := make(chan struct{})
	defer close(donec)
	go func() {
		resp, _ := wc.Recv()
		select {
		case rCh <- resp:
		case <-donec:
		}
	}()
	select {
	case nr := <-rCh:
		return false, nr
	case <-time.After(timeout):
	}
	// didn't get response
	wc.CloseSend()
	return true, nil
}