if (message.command() == RPC.Commands.TRACKER_ADD.getNr()) {
TrackerData trackerData = message.trackerData(0);
if (trackerData.size() != 1) {
responseMessage.type(Message.Type.EXCEPTION);
} else {
Map.Entry<PeerStatistic, Data> entry = trackerData.peerAddresses().entrySet().iterator().next();
if (!trackerStorage.put(new Number320(locationKey, domainKey), entry.getKey().peerAddress(), publicKey,
entry.getValue())) {
responseMessage.type(Message.Type.DENIED);
LOG.debug("tracker NOT put on({}) locationKey:{}, domainKey:{}, address:{}", peerBean()
.serverPeerAddress(), locationKey, domainKey, entry.getKey());