bpm/src/bpmlib/utils.go

package bpmlib

import (
	"fmt"
	"math"
	"syscall"
)

func GetArch() string {
	uname := syscall.Utsname{}
	err := syscall.Uname(&uname)
	if err != nil {
		return "unknown"
	}

	var byteString [65]byte
	var indexLength int
	for ; uname.Machine[indexLength] != 0; indexLength++ {
		byteString[indexLength] = uint8(uname.Machine[indexLength])
	}
	return string(byteString[:indexLength])
}

func stringSliceRemove(s []string, r string) []string {
	for i, v := range s {
		if v == r {
			return append(s[:i], s[i+1:]...)
		}
	}
	return s
}

func unsignedBytesToHumanReadable(b uint64) string {
	bf := float64(b)
	for _, unit := range []string{"", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi"} {
		if math.Abs(bf) < 1024.0 {
			return fmt.Sprintf("%3.1f%sB", bf, unit)
		}
		bf /= 1024.0
	}
	return fmt.Sprintf("%.1fYiB", bf)
}

func bytesToHumanReadable(b int64) string {
	bf := float64(b)
	for _, unit := range []string{"", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi"} {
		if math.Abs(bf) < 1024.0 {
			return fmt.Sprintf("%3.1f%sB", bf, unit)
		}
		bf /= 1024.0
	}
	return fmt.Sprintf("%.1fYiB", bf)
}