func (d *Dataset) openChildren() (err error) {
var dataset Dataset
d.Children = make([]Dataset, 0, 5)
errcode := C.dataset_list_children(d.list.zh, &(dataset.list))
for dataset.list != nil {
dataset.Type = DatasetType(C.zfs_get_type(dataset.list.zh))
dataset.Properties = make(map[ZFSProp]Property)
err = dataset.ReloadProperties()
if err != nil {
return
}
d.Children = append(d.Children, dataset)
dataset.list = C.dataset_next(dataset.list)
}
if errcode != 0 {
err = LastError()
return
}
for ci, _ := range d.Children {
if err = d.Children[ci].openChildren(); err != nil {
return
}
}
return
}
// Open dataset and all of its recursive children datasets
func DatasetOpen(path string) (d Dataset, err error) {
d.list = C.create_dataset_list_item()
d.list.zh = C.zfs_open(libzfs_handle, C.CString(path), 0xF)
if d.list.zh == nil {
err = LastError()
return
}
d.Type = DatasetType(C.zfs_get_type(d.list.zh))
d.Properties = make(map[ZFSProp]Property)
err = d.ReloadProperties()
if err != nil {
return
}
err = d.openChildren()
return
}
// Recursive get handles to all available datasets on system
// (file-systems, volumes or snapshots).
func DatasetOpenAll() (datasets []Dataset, err error) {
var dataset Dataset
errcode := C.dataset_list_root(libzfs_handle, &dataset.list)
for dataset.list != nil {
dataset.Type = DatasetType(C.zfs_get_type(dataset.list.zh))
err = dataset.ReloadProperties()
if err != nil {
return
}
datasets = append(datasets, dataset)
dataset.list = C.dataset_next(dataset.list)
}
if errcode != 0 {
err = LastError()
return
}
for ci, _ := range datasets {
if err = datasets[ci].openChildren(); err != nil {
return
}
}
return
}
