76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
//go:build netbsd || openbsd
|
|
// +build netbsd openbsd
|
|
|
|
package device
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"errors"
|
|
"io"
|
|
"os/exec"
|
|
"regexp"
|
|
"strings"
|
|
)
|
|
|
|
// BSDDevicesInfoGetter returns info for Darwin devices
|
|
type BSDDevicesInfoGetter struct {
|
|
MountCmd string
|
|
}
|
|
|
|
// Getter is current instance of DevicesInfoGetter
|
|
var Getter DevicesInfoGetter = BSDDevicesInfoGetter{MountCmd: "/sbin/mount"}
|
|
|
|
// GetMounts returns all mounted filesystems from output of /sbin/mount
|
|
func (t BSDDevicesInfoGetter) GetMounts() (Devices, error) {
|
|
out, err := exec.Command(t.MountCmd).Output()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
rdr := bytes.NewReader(out)
|
|
|
|
return readMountOutput(rdr)
|
|
}
|
|
|
|
// GetDevicesInfo returns result of GetMounts with usage info about mounted devices (by calling Statfs syscall)
|
|
func (t BSDDevicesInfoGetter) GetDevicesInfo() (Devices, error) {
|
|
mounts, err := t.GetMounts()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return processMounts(mounts, false)
|
|
}
|
|
|
|
func readMountOutput(rdr io.Reader) (Devices, error) {
|
|
mounts := Devices{}
|
|
|
|
scanner := bufio.NewScanner(rdr)
|
|
for scanner.Scan() {
|
|
line := scanner.Text()
|
|
|
|
re := regexp.MustCompile("^(.*) on (/.*) type (.*) \\(([^)]+)\\)$")
|
|
parts := re.FindAllStringSubmatch(line, -1)
|
|
|
|
if len(parts) < 1 {
|
|
return nil, errors.New("Cannot parse mount output")
|
|
}
|
|
|
|
fstype := strings.TrimSpace(strings.Split(parts[0][3], ",")[0])
|
|
|
|
device := &Device{
|
|
Name: parts[0][1],
|
|
MountPoint: parts[0][2],
|
|
Fstype: fstype,
|
|
}
|
|
mounts = append(mounts, device)
|
|
}
|
|
|
|
if err := scanner.Err(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return mounts, nil
|
|
}
|