consul/vendor/github.com/shirou/gopsutil/disk/disk_unix.go

46 lines
1.0 KiB
Go

// +build freebsd linux darwin
package disk
import "syscall"
func Usage(path string) (*UsageStat, error) {
stat := syscall.Statfs_t{}
err := syscall.Statfs(path, &stat)
if err != nil {
return nil, err
}
bsize := stat.Bsize
ret := &UsageStat{
Path: path,
Fstype: getFsType(stat),
Total: (uint64(stat.Blocks) * uint64(bsize)),
Free: (uint64(stat.Bavail) * uint64(bsize)),
InodesTotal: (uint64(stat.Files)),
InodesFree: (uint64(stat.Ffree)),
}
// if could not get InodesTotal, return empty
if ret.InodesTotal < ret.InodesFree {
return ret, nil
}
ret.InodesUsed = (ret.InodesTotal - ret.InodesFree)
ret.Used = (uint64(stat.Blocks) - uint64(stat.Bfree)) * uint64(bsize)
if ret.InodesTotal == 0 {
ret.InodesUsedPercent = 0
} else {
ret.InodesUsedPercent = (float64(ret.InodesUsed) / float64(ret.InodesTotal)) * 100.0
}
if ret.Total == 0 {
ret.UsedPercent = 0
} else {
ret.UsedPercent = (float64(ret.Used) / float64(ret.Total)) * 100.0
}
return ret, nil
}