127 lines
2.0 KiB
Go
127 lines
2.0 KiB
Go
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// Copyright (c) 2012 VMware, Inc.
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package gosigar
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import (
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"bufio"
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"bytes"
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"fmt"
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"strconv"
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"time"
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)
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// Go version of apr_strfsize
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func FormatSize(size uint64) string {
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ord := []string{"K", "M", "G", "T", "P", "E"}
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o := 0
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buf := new(bytes.Buffer)
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w := bufio.NewWriter(buf)
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if size < 973 {
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fmt.Fprintf(w, "%3d ", size)
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w.Flush()
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return buf.String()
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}
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for {
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remain := size & 1023
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size >>= 10
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if size >= 973 {
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o++
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continue
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}
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if size < 9 || (size == 9 && remain < 973) {
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remain = ((remain * 5) + 256) / 512
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if remain >= 10 {
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size++
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remain = 0
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}
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fmt.Fprintf(w, "%d.%d%s", size, remain, ord[o])
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break
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}
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if remain >= 512 {
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size++
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}
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fmt.Fprintf(w, "%3d%s", size, ord[o])
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break
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}
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w.Flush()
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return buf.String()
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}
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func FormatPercent(percent float64) string {
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return strconv.FormatFloat(percent, 'f', -1, 64) + "%"
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}
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func (self *FileSystemUsage) UsePercent() float64 {
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b_used := (self.Total - self.Free) / 1024
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b_avail := self.Avail / 1024
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utotal := b_used + b_avail
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used := b_used
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if utotal != 0 {
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u100 := used * 100
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pct := u100 / utotal
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if u100%utotal != 0 {
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pct += 1
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}
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return (float64(pct) / float64(100)) * 100.0
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}
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return 0.0
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}
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func (self *Uptime) Format() string {
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buf := new(bytes.Buffer)
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w := bufio.NewWriter(buf)
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uptime := uint64(self.Length)
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days := uptime / (60 * 60 * 24)
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if days != 0 {
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s := ""
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if days > 1 {
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s = "s"
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}
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fmt.Fprintf(w, "%d day%s, ", days, s)
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}
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minutes := uptime / 60
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hours := minutes / 60
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hours %= 24
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minutes %= 60
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fmt.Fprintf(w, "%2d:%02d", hours, minutes)
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w.Flush()
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return buf.String()
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}
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func (self *ProcTime) FormatStartTime() string {
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if self.StartTime == 0 {
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return "00:00"
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}
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start := time.Unix(int64(self.StartTime)/1000, 0)
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format := "Jan02"
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if time.Since(start).Seconds() < (60 * 60 * 24) {
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format = "15:04"
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}
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return start.Format(format)
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}
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func (self *ProcTime) FormatTotal() string {
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t := self.Total / 1000
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ss := t % 60
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t /= 60
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mm := t % 60
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t /= 60
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hh := t % 24
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return fmt.Sprintf("%02d:%02d:%02d", hh, mm, ss)
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}
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