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Disk Info for Golang
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package main | |
import ( | |
"fmt" | |
"syscall" | |
) | |
type DiskStatus struct { | |
All uint64 `json:"all"` | |
Used uint64 `json:"used"` | |
Free uint64 `json:"free"` | |
} | |
// disk usage of path/disk | |
func DiskUsage(path string) (disk DiskStatus) { | |
fs := syscall.Statfs_t{} | |
err := syscall.Statfs(path, &fs) | |
if err != nil { | |
return | |
} | |
disk.All = fs.Blocks * uint64(fs.Bsize) | |
disk.Free = fs.Bfree * uint64(fs.Bsize) | |
disk.Used = disk.All - disk.Free | |
return | |
} | |
const ( | |
B = 1 | |
KB = 1024 * B | |
MB = 1024 * KB | |
GB = 1024 * MB | |
) | |
func main() { | |
disk := DiskUsage("/") | |
fmt.Printf("All: %.2f GB\n", float64(disk.All)/float64(GB)) | |
fmt.Printf("Used: %.2f GB\n", float64(disk.Used)/float64(GB)) | |
fmt.Printf("Free: %.2f GB\n", float64(disk.Free)/float64(GB)) | |
} |
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