fmt.Fprintf(w, "-\t-\t-\t-\t-\n")
	for i := range stats {
		stat := &stats[i]
		name := ""
		if int(stat.typ) >= len(specs) {
			name = fmt.Sprintf("<unknown (%d)>", stat.typ)
		} else {
			name = specs[stat.typ].Name
		}
		bytesPct := float64(stat.bytes) / float64(cr.bytesRead) * 100
		countPct := float64(stat.count) / float64(eventsRead) * 100

	}
	if types.Contains(madmin.MetricsRPC) {
		gr := globalGrid.Load()
		if gr == nil {
			m.Errors = append(m.Errors, fmt.Sprintf("%s: Grid not initialized", byHostName))
		} else {
			stats := gr.ConnStats()
			m.Aggregated.RPC = &stats
		}
	}
	// Add types...

	// ByHost is a shallow reference, so careful about sharing.
	m.ByHost = map[string]madmin.Metrics{byHostName: m.Aggregated}

	smu   sync.RWMutex
	sotab Sockets
	stats stats
}

func (sw *Switch) init() {
	sw.fltab = make(map[FilterType]Filter)
	sw.sotab = make(Sockets)
	sw.stats = make(stats)
}

// Stats returns a list of per-cookie socket statistics.
func (sw *Switch) Stats() []Stat {
	var st []Stat
	sw.smu.RLock()
	for _, s := range sw.stats {
		ns := *s
		st = append(st, ns)
	}
	sw.smu.RUnlock()

Pengyuan Bian <******@****.***> 1614875631 -0800

        def stat = fs.stat(file)
        stat.type == FileType.RegularFile
        lastModified(stat) == lastModified(file)
        stat.length == 3
    }

    def "stats directory"() {
        def dir = tmpDir.file("dir").createDir()

        expect:
        def stat = fs.stat(dir)
        stat.type == FileType.Directory
        stat.lastModified == 0
        stat.length == 0
    }

	}
	// refer https://www.kernel.org/doc/Documentation/block/stat.txt
	iostats = IOStats{
		ReadIOs:      stats[0],
		ReadMerges:   stats[1],
		ReadSectors:  stats[2],
		ReadTicks:    stats[3],
		WriteIOs:     stats[4],
		WriteMerges:  stats[5],
		WriteSectors: stats[6],
		WriteTicks:   stats[7],
		CurrentIOs:   stats[8],
		TotalTicks:   stats[9],
		ReqTicks:     stats[10],
	}

            def stat = NativeServicesTestFixture.instance.get(Stat)
            assert stat.getUnixMode(registryFile) == 0600 // user read-write
            assert stat.getUnixMode(registryFile.parentFile) == 0700 // user read-write-execute
        }
    }

    @Override
    State getCurrentState() {
        def daemonInfo = registry.all.find { it.context.pid == context.pid }

		if s, ok := bucketReplStats[bucket]; ok {
			stats := s.ReplicationStats
			if stats.hasReplicationUsage() {
				for arn, stat := range stats.Stats {
					m.Set(bucketReplLastHrFailedBytes, float64(stat.Failed.LastHour.Bytes), labels...)
					m.Set(bucketReplLastHrFailedCount, float64(stat.Failed.LastHour.Count), labels...)
					m.Set(bucketReplLastMinFailedBytes, float64(stat.Failed.LastMinute.Bytes), labels...)

    stat.setTryStatement(replace(stat.getTryStatement()));
    replaceAll(stat.getCatchStatements());
    stat.setFinallyStatement(replace(stat.getFinallyStatement()));
  }

  @SuppressWarnings("unchecked")
  @Override
  public void visitSwitch(SwitchStatement stat) {
    stat.getExpression().visit(this);
    replaceAll(stat.getCaseStatements());

	activeConnectionsURL := fmt.Sprintf("http://%s/stats?usedonly&filter=downstream_cx_active$", adminHost)
	stats, err := http.DoHTTPGetWithTimeout(activeConnectionsURL, 2*time.Second)
	if err != nil {
		return -1, fmt.Errorf("unable to get listener stats from Envoy : %v", err)
	}
	if stats.Len() == 0 {
		return -1, nil
	}
	activeConnections := 0
	for stats.Len() > 0 {
		line, _ := stats.ReadString('\n')