57 lines
1005 B
Go
57 lines
1005 B
Go
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package mem
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import (
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"fmt"
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"strings"
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"github.com/shirou/gopsutil/v3/mem"
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"go.fanir.de/statusline/config"
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)
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var binarySuffixes = []string{"B", "KiB", "MiB", "GiB", "TiB"}
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const binaryFactor = 1024
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func HBin(a uint64, precision int) string {
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f := float64(a)
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var suffix string
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for _, suffix = range binarySuffixes {
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if f < binaryFactor {
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break
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}
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f /= binaryFactor
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}
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return fmt.Sprintf("%.*f%s", precision, f, suffix)
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}
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func Mem(format config.Format, absolute, percent bool) (string, error) {
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if !(absolute || percent) {
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return "", nil
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}
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v, err := mem.VirtualMemory()
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if err != nil {
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return "", err // FIXME
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}
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s := &strings.Builder{}
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if v.UsedPercent > 90 {
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fmt.Fprint(s, format.Warning, "[")
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} else {
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fmt.Fprint(s, format.Default, "[")
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}
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if absolute {
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fmt.Fprintf(s, "%s/%s", HBin(v.Used, 1), HBin(v.Total, 1))
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if percent {
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fmt.Fprint(s, " ")
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}
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}
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if percent {
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fmt.Fprintf(s, "%.0f%%", v.UsedPercent)
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}
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fmt.Fprint(s, "]")
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return s.String(), nil
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}
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