Example #1
0
// LoadPinner loads a pinner and its keysets from the given datastore
func LoadPinner(d ds.Datastore, dserv mdag.DAGService) (Pinner, error) {
	p := new(pinner)

	{ // load recursive set
		var recurseKeys []util.Key
		if err := loadSet(d, recursePinDatastoreKey, &recurseKeys); err != nil {
			return nil, err
		}
		p.recursePin = set.SimpleSetFromKeys(recurseKeys)
	}

	{ // load direct set
		var directKeys []util.Key
		if err := loadSet(d, directPinDatastoreKey, &directKeys); err != nil {
			return nil, err
		}
		p.directPin = set.SimpleSetFromKeys(directKeys)
	}

	{ // load indirect set
		var err error
		p.indirPin, err = loadIndirPin(d, indirectPinDatastoreKey)
		if err != nil {
			return nil, err
		}
	}

	// assign services
	p.dserv = dserv
	p.dstore = d

	return p, nil
}
Example #2
0
func loadIndirPin(d ds.Datastore, k ds.Key) (*indirectPin, error) {
	var rcStore map[string]int
	err := loadSet(d, k, &rcStore)
	if err != nil {
		return nil, err
	}

	refcnt := make(map[util.Key]int)
	var keys []util.Key
	for encK, v := range rcStore {
		k := util.B58KeyDecode(encK)
		keys = append(keys, k)
		refcnt[k] = v
	}
	log.Debugf("indirPin keys: %#v", keys)

	return &indirectPin{blockset: set.SimpleSetFromKeys(keys), refCounts: refcnt}, nil
}