}

func (e *dataUsageEntry) addSizes(summary sizeSummary) {
	e.Size += summary.totalSize
	e.Versions += summary.versions
	e.DeleteMarkers += summary.deleteMarkers
	e.ObjSizes.add(summary.totalSize)
	e.ObjVersions.add(summary.versions)

	if len(summary.tiers) != 0 {
		if e.AllTierStats == nil {
			e.AllTierStats = newAllTierStats()
		}
		e.AllTierStats.addSizes(summary.tiers)
	}
}

		bs.ReplicatedSize > 0 ||
		bs.ReplicaSize > 0
}

func (bs *BucketReplicationStat) updateXferRate(sz int64, duration time.Duration) {
	if sz > minLargeObjSize {
		bs.XferRateLrg.addSize(sz, duration)
	} else {
		bs.XferRateSml.addSize(sz, duration)
	}
}

// RMetricName - name of replication metric
type RMetricName string

const (
	// Large - objects larger than 128MiB
	Large RMetricName = "Large"

	startTime := time.Now()
	return func(sz int) {
		duration := time.Since(startTime)

		atomic.AddUint64(&p.operations[s], 1)
		if s < scannerMetricLastRealtime {
			p.latency[s].addSize(duration, int64(sz))
		}
	}
}

// incTime will increment time on metric s with a specific duration.
// Use for s < scannerMetricLastRealtime
func (p *scannerMetrics) incTime(s scannerMetric, d time.Duration) {

		b.ReplicatedCount++
		if rs.TransferDuration > 0 {
			b.Latency.update(rs.TransferSize, rs.TransferDuration)
			b.updateXferRate(rs.TransferSize, rs.TransferDuration)
		}
	case rs.Failed:
		b.FailStats.addsize(rs.TransferSize, rs.Err)
	case rs.Pending:
	}
}

type replStat struct {
	Arn       string
	Completed bool
	Pending   bool
	Failed    bool
	opType    replication.Type
	// transfer size

func calcAvg(x, y float64, n1, n2 int64) float64 {
	if n1+n2 == 0 {
		return 0
	}
	avg := (x*float64(n1) + y*float64(n2)) / float64(n1+n2)
	return avg
}

// Add a new transfer
func (rx *XferStats) addSize(sz int64, t time.Duration) {
	if rx.measure == nil {
		rx.measure = newRateMeasurement(time.Now())
	}
	rx.measure.incrementBytes(uint64(sz))
	rx.Curr = rx.measure.getExpMovingAvgBytesPerSecond()