Method Add

server/ringhash/ringhash.go:70–97

Add adds keys to the ring.

(keys ...string)

// Add adds keys to the ring.
func (ring *Ring) Add(keys ...string) {
	for _, key := range keys {
		for i := range ring.replicas {
			ring.keys = append(ring.keys, elem{
				hash: ring.hashfunc([]byte(strconv.Itoa(i) + key)),
				key:  key})
		}
	}
	sort.Sort(sortable(ring.keys))

	// Calculate signature
	hash := fnv.New128a()
	b := make([]byte, 4)
	for _, key := range ring.keys {
		b[0] = byte(key.hash)
		b[1] = byte(key.hash >> 8)
		b[2] = byte(key.hash >> 16)
		b[3] = byte(key.hash >> 24)
		hash.Write(b)
		hash.Write([]byte(key.key))
	}

	b = []byte{}
	b = hash.Sum(b)
	dst := make([]byte, ascii85.MaxEncodedLen(len(b)))
	ascii85.Encode(dst, b)
	ring.signature = string(dst)
}

// Get returns the closest item in the ring to the provided key.
func (ring *Ring) Get(key string) string {