storj/pkg/kademlia/replacement_cache.go

// Copyright (C) 2018 Storj Labs, Inc.
// See LICENSE for copying information.

package kademlia

import (
	"storj.io/storj/pkg/pb"
	"storj.io/storj/storage"
)

func (rt *RoutingTable) addToReplacementCache(kadBucketID storage.Key, node *pb.Node) {
	bucketID := string(kadBucketID)
	nodes := rt.replacementCache[bucketID]
	nodes = append(nodes, node)
	if len(nodes) > rt.rcBucketSize {
		copy(nodes, nodes[1:])
		nodes = nodes[:len(nodes)-1]
	}
	rt.replacementCache[bucketID] = nodes
}