Exemplo n.º 1
0
func TestGetfsstat(t *testing.T) {
	const flags = MNT_NOWAIT // see Issue 16937
	n, err := syscall.Getfsstat(nil, flags)
	t.Logf("Getfsstat(nil, %d) = (%v, %v)", flags, n, err)
	if err != nil {
		t.Fatal(err)
	}

	data := make([]syscall.Statfs_t, n)
	n2, err := syscall.Getfsstat(data, flags)
	t.Logf("Getfsstat([]syscall.Statfs_t, %d) = (%v, %v)", flags, n2, err)
	if err != nil {
		t.Fatal(err)
	}
	if n != n2 {
		t.Errorf("Getfsstat(nil) = %d, but subsequent Getfsstat(slice) = %d", n, n2)
	}
	for i, stat := range data {
		if stat == (syscall.Statfs_t{}) {
			t.Errorf("index %v is an empty Statfs_t struct", i)
		}
	}
	if t.Failed() {
		for i, stat := range data[:n2] {
			t.Logf("data[%v] = %+v", i, stat)
		}
		mount, err := exec.Command("mount").CombinedOutput()
		if err != nil {
			t.Logf("mount: %v\n%s", err, mount)
		} else {
			t.Logf("mount: %s", mount)
		}
	}
}
Exemplo n.º 2
0
func (self *FileSystemList) Get() error {
	num, err := syscall.Getfsstat(nil, C.MNT_NOWAIT)
	if err != nil {
		return err
	}

	buf := make([]syscall.Statfs_t, num)

	_, err = syscall.Getfsstat(buf, C.MNT_NOWAIT)
	if err != nil {
		return err
	}

	fslist := make([]FileSystem, 0, num)

	for i := 0; i < num; i++ {
		fs := FileSystem{}

		fs.DirName = bytePtrToString(&buf[i].Mntonname[0])
		fs.DevName = bytePtrToString(&buf[i].Mntfromname[0])
		fs.SysTypeName = bytePtrToString(&buf[i].Fstypename[0])

		fslist = append(fslist, fs)
	}

	self.List = fslist

	return err
}
Exemplo n.º 3
0
func TestGetfsstat(t *testing.T) {
	n, err := syscall.Getfsstat(nil, MNT_WAIT)
	if err != nil {
		t.Fatal(err)
	}

	data := make([]syscall.Statfs_t, n)
	n, err = syscall.Getfsstat(data, MNT_WAIT)
	if err != nil {
		t.Fatal(err)
	}

	empty := syscall.Statfs_t{}
	for _, stat := range data {
		if stat == empty {
			t.Fatal("an empty Statfs_t struct was returned")
		}
	}
}
Exemplo n.º 4
0
func processFilesystems(f func(fstype, path string) error) error {
	n, err := syscall.Getfsstat(nil, 1 /* MNT_WAIT */)
	if err != nil {
		return errors.New("system: getfsstat error: " + err.Error())
	}

	filesystems := make([]syscall.Statfs_t, n)
	n, err = syscall.Getfsstat(filesystems, 1 /* MNT_WAIT */)
	if err != nil {
		return errors.New("system: Getfsstat error: " + err.Error())
	}

	for _, fs := range filesystems[:n] {
		fstype := stringFromInt8(fs.Fstypename[:])
		path := stringFromInt8(fs.Mntonname[:])
		if err := f(fstype, path); err != nil {
			return err
		}
	}

	return nil
}
Exemplo n.º 5
0
func Partitions(all bool) ([]PartitionStat, error) {
	var ret []PartitionStat

	// get length
	count, err := syscall.Getfsstat(nil, MNT_WAIT)
	if err != nil {
		return ret, err
	}

	fs := make([]Statfs, count)
	_, err = Getfsstat(fs, MNT_WAIT)

	for _, stat := range fs {
		opts := "rw"
		if stat.Flags&MNT_RDONLY != 0 {
			opts = "ro"
		}
		if stat.Flags&MNT_SYNCHRONOUS != 0 {
			opts += ",sync"
		}
		if stat.Flags&MNT_NOEXEC != 0 {
			opts += ",noexec"
		}
		if stat.Flags&MNT_NOSUID != 0 {
			opts += ",nosuid"
		}
		if stat.Flags&MNT_UNION != 0 {
			opts += ",union"
		}
		if stat.Flags&MNT_ASYNC != 0 {
			opts += ",async"
		}
		if stat.Flags&MNT_SUIDDIR != 0 {
			opts += ",suiddir"
		}
		if stat.Flags&MNT_SOFTDEP != 0 {
			opts += ",softdep"
		}
		if stat.Flags&MNT_NOSYMFOLLOW != 0 {
			opts += ",nosymfollow"
		}
		if stat.Flags&MNT_GJOURNAL != 0 {
			opts += ",gjounalc"
		}
		if stat.Flags&MNT_MULTILABEL != 0 {
			opts += ",multilabel"
		}
		if stat.Flags&MNT_ACLS != 0 {
			opts += ",acls"
		}
		if stat.Flags&MNT_NOATIME != 0 {
			opts += ",noattime"
		}
		if stat.Flags&MNT_NOCLUSTERR != 0 {
			opts += ",nocluster"
		}
		if stat.Flags&MNT_NOCLUSTERW != 0 {
			opts += ",noclusterw"
		}
		if stat.Flags&MNT_NFS4ACLS != 0 {
			opts += ",nfs4acls"
		}

		d := PartitionStat{
			Device:     common.IntToString(stat.Mntfromname[:]),
			Mountpoint: common.IntToString(stat.Mntonname[:]),
			Fstype:     common.IntToString(stat.Fstypename[:]),
			Opts:       opts,
		}
		if all == false {
			if !path.IsAbs(d.Device) || !common.PathExists(d.Device) {
				continue
			}
		}

		ret = append(ret, d)
	}

	return ret, nil
}