You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
1.7 KiB
88 lines
1.7 KiB
9 years ago
|
package pb
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"strings"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
type Units int
|
||
|
|
|
||
|
|
const (
|
||
|
|
// U_NO are default units, they represent a simple value and are not formatted at all.
|
||
|
|
U_NO Units = iota
|
||
|
|
// U_BYTES units are formatted in a human readable way (b, Bb, Mb, ...)
|
||
|
|
U_BYTES
|
||
|
|
// U_DURATION units are formatted in a human readable way (3h14m15s)
|
||
|
|
U_DURATION
|
||
|
|
)
|
||
|
|
|
||
|
|
func Format(i int64) *formatter {
|
||
|
|
return &formatter{n: i}
|
||
|
|
}
|
||
|
|
|
||
|
|
type formatter struct {
|
||
|
|
n int64
|
||
|
|
unit Units
|
||
|
|
width int
|
||
|
|
perSec bool
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *formatter) Value(n int64) *formatter {
|
||
|
|
f.n = n
|
||
|
|
return f
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *formatter) To(unit Units) *formatter {
|
||
|
|
f.unit = unit
|
||
|
|
return f
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *formatter) Width(width int) *formatter {
|
||
|
|
f.width = width
|
||
|
|
return f
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *formatter) PerSec() *formatter {
|
||
|
|
f.perSec = true
|
||
|
|
return f
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *formatter) String() (out string) {
|
||
|
|
switch f.unit {
|
||
|
|
case U_BYTES:
|
||
|
|
out = formatBytes(f.n)
|
||
|
|
case U_DURATION:
|
||
|
|
d := time.Duration(f.n)
|
||
|
|
if d > time.Hour*24 {
|
||
|
|
out = fmt.Sprintf("%dd", d/24/time.Hour)
|
||
|
|
d -= (d / time.Hour / 24) * (time.Hour * 24)
|
||
|
|
}
|
||
|
|
out = fmt.Sprintf("%s%v", out, d)
|
||
|
|
default:
|
||
|
|
out = fmt.Sprintf(fmt.Sprintf("%%%dd", f.width), f.n)
|
||
|
|
}
|
||
|
|
if f.perSec {
|
||
|
|
out += "/s"
|
||
|
|
}
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// Convert bytes to human readable string. Like a 2 MB, 64.2 KB, 52 B
|
||
|
|
func formatBytes(i int64) (result string) {
|
||
|
|
switch {
|
||
|
|
case i > (1024 * 1024 * 1024 * 1024):
|
||
|
|
result = fmt.Sprintf("%.02f TB", float64(i)/1024/1024/1024/1024)
|
||
|
|
case i > (1024 * 1024 * 1024):
|
||
|
|
result = fmt.Sprintf("%.02f GB", float64(i)/1024/1024/1024)
|
||
|
|
case i > (1024 * 1024):
|
||
|
|
result = fmt.Sprintf("%.02f MB", float64(i)/1024/1024)
|
||
|
|
case i > 1024:
|
||
|
|
result = fmt.Sprintf("%.02f KB", float64(i)/1024)
|
||
|
|
default:
|
||
|
|
result = fmt.Sprintf("%d B", i)
|
||
|
|
}
|
||
|
|
result = strings.Trim(result, " ")
|
||
|
|
return
|
||
|
|
}
|