62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
// +build freebsd linux darwin
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package disk
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import (
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"context"
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"strconv"
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"golang.org/x/sys/unix"
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)
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func UsageWithContext(ctx context.Context, path string) (*UsageStat, error) {
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stat := unix.Statfs_t{}
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err := unix.Statfs(path, &stat)
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if err != nil {
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return nil, err
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}
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bsize := stat.Bsize
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ret := &UsageStat{
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Path: unescapeFstab(path),
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Fstype: getFsType(stat),
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Total: (uint64(stat.Blocks) * uint64(bsize)),
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Free: (uint64(stat.Bavail) * uint64(bsize)),
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InodesTotal: (uint64(stat.Files)),
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InodesFree: (uint64(stat.Ffree)),
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}
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// if could not get InodesTotal, return empty
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if ret.InodesTotal < ret.InodesFree {
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return ret, nil
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}
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ret.InodesUsed = (ret.InodesTotal - ret.InodesFree)
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ret.Used = (uint64(stat.Blocks) - uint64(stat.Bfree)) * uint64(bsize)
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if ret.InodesTotal == 0 {
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ret.InodesUsedPercent = 0
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} else {
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ret.InodesUsedPercent = (float64(ret.InodesUsed) / float64(ret.InodesTotal)) * 100.0
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}
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if (ret.Used + ret.Free) == 0 {
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ret.UsedPercent = 0
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} else {
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// We don't use ret.Total to calculate percent.
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// see https://github.com/shirou/gopsutil/issues/562
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ret.UsedPercent = (float64(ret.Used) / float64(ret.Used+ret.Free)) * 100.0
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}
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return ret, nil
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}
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// Unescape escaped octal chars (like space 040, ampersand 046 and backslash 134) to their real value in fstab fields issue#555
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func unescapeFstab(path string) string {
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escaped, err := strconv.Unquote(`"` + path + `"`)
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if err != nil {
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return path
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}
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return escaped
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}
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