/** * Adds a <code>{@link KademliaPeer}</code> to the s-bucket or a k-bucket, * depending on its distance to the local node and how full the buckets are. * @param destination */ public void addOrUpdate(KademliaPeer peer) { Hash destHash = peer.getDestinationHash(); if (localDestinationHash.equals(destHash)) { log.debug("Not adding local destination to bucket."); return; } KademliaPeer removedOrNotAdded = sBucket.addOrUpdate(peer); if (removedOrNotAdded == null) getKBucket(destHash).remove(peer); // if the peer was in a k-bucket, remove it because it is now in the s-bucket else addToKBucket(removedOrNotAdded); // if a peer was removed from the s-bucket or didn't qualify as a sibling, add it to a k-bucket // log int numBuckets = kBuckets.size(); int numPeers = getAllPeers().size(); int numSiblings = sBucket.size(); log.debug("Peer " + Util.toBase32(destHash) + " added/updated. Peers=" + numPeers + " sib=" + numSiblings + " buk=" + numBuckets + " (not counting the sibling bucket)"); }