func (s *scanner) remaining() int64 {
	if atomic.LoadInt64(&s.end) == maxInt {
		return maxInt
	}
	return atomic.LoadInt64(&s.end) - s.pos
}

// read byte at current position (without advancing)
func (s *scanner) cur() byte { return s.buf[s.ipos] }

// read next byte
func (s *scanner) next() byte {
	if s.pos >= atomic.LoadInt64(&s.end) {
		return nullByte
	}
	s.ipos++

// failed functions.
func (target *WebhookTarget) Stat() event.TargetStat {
	return event.TargetStat{
		ID:             target.id,
		ActiveRequests: atomic.LoadInt64(&target.activeRequests),
		TotalRequests:  atomic.LoadInt64(&target.totalRequests),
		FailedRequests: atomic.LoadInt64(&target.failedRequests),
	}
}

// Send - sends an event to the webhook.

func (l *lockServer) Refresh(args *LockArgs) (reply bool, err error) {
	if d := atomic.LoadInt64(&l.responseDelay); d != 0 {
		time.Sleep(time.Duration(d))
	}

	l.mutex.Lock()
	defer l.mutex.Unlock()
	reply = !l.lockNotFound
	return reply, nil
}

func (l *lockServer) ForceUnlock(args *LockArgs) (reply bool, err error) {
	if d := atomic.LoadInt64(&l.responseDelay); d != 0 {
		time.Sleep(time.Duration(d))
	}

		}
		rt.ErrCounts["AccessDenied"]++
	}
}

func (rt *RTimedMetrics) merge(o RTimedMetrics) (n RTimedMetrics) {
	n.SinceUptime.Bytes = atomic.LoadInt64(&rt.SinceUptime.Bytes) + atomic.LoadInt64(&o.SinceUptime.Bytes)
	n.SinceUptime.Count = atomic.LoadInt64(&rt.SinceUptime.Count) + atomic.LoadInt64(&o.SinceUptime.Count)

	n.LastMinute = n.LastMinute.merge(rt.LastMinute)
	n.LastMinute = n.LastMinute.merge(o.LastMinute)

			if err == nil {
				atomic.StoreInt64(&dialEnd, time.Now().UnixNano())
			}
		},
	}

	return req.WithContext(httptrace.WithClientTrace(req.Context(), trace)), func() {
		if ds := atomic.LoadInt64(&dialStart); ds > 0 {
			if de := atomic.LoadInt64(&dialEnd); de == 0 {
				atomic.AddUint64(&globalStats.tcpDialErrs, 1)
			} else if de >= ds {
				atomic.AddUint64(&globalStats.tcpDialCount, 1)

		Queued:        r.qCache.getSiteStats(),
		ActiveWorkers: r.ActiveWorkers(),
		Metrics:       r.srStats.get(),
		Proxied:       r.pCache.getSiteStats(),
		ReplicaSize:   atomic.LoadInt64(&r.srStats.ReplicaSize),
		ReplicaCount:  atomic.LoadInt64(&r.srStats.ReplicaCount),
	}
	return m
}

// Get replication metrics for a bucket from this node since this node came up.

				spent := time.Since(t)
				if spent > 0 && n > 0 {
					// Since we are benchmarking n parallel servers we need to multiply by n.
					// This will give an estimate of the total ops/s.
					latency := float64(atomic.LoadInt64(&lat)) / float64(time.Millisecond)
					b.ReportMetric(float64(n)*float64(ops)/spent.Seconds(), "vops/s")
					b.ReportMetric(latency/float64(ops), "ms/op")
				}
			})
		}
	})

}

// Stats returns the target statistics.
func (sys *HTTPConsoleLoggerSys) Stats() types.TargetStats {
	return types.TargetStats{
		TotalMessages:  atomic.LoadInt64(&sys.totalMessages),
		FailedMessages: atomic.LoadInt64(&sys.failedMessages),
		QueueLength:    0,
	}
}

// Content returns the console stdout log
func (sys *HTTPConsoleLoggerSys) Content() (logs []log.Entry) {
	sys.RLock()

	return InQueueStats{
		histCounts: histCounts,
		histBytes:  histBytes,
	}
}

func (q *InQueueStats) update() {
	q.histBytes.Update(atomic.LoadInt64(&q.nowBytes))
	q.histCounts.Update(atomic.LoadInt64(&q.nowCount))
}

// XferStats has transfer stats for replication
type XferStats struct {
	Curr    float64          `json:"currRate" msg:"cr"`

func (m *muxServer) checkRemoteAlive() {
	t := time.NewTicker(m.clientPingInterval)
	defer t.Stop()
	for {
		select {
		case <-m.ctx.Done():
			return
		case <-t.C:
			last := time.Since(time.Unix(atomic.LoadInt64(&m.LastPing), 0))
			if last > 4*m.clientPingInterval {
				gridLogIf(m.ctx, fmt.Errorf("canceling remote connection %s not seen for %v", m.parent, last))
				m.close()
				return
			}
		}
	}
}