How to use

ServerNameUtil

in

org.kaaproject.kaa.server.common.zk

 /**
  * Calculates the crc32 hash based on the connection info properties.
  *
  * @param connectionInfo the connection info
  * @return crc32 hash
  */
 public static int crc32(ConnectionInfo connectionInfo) {
  CRC32 crc32 = new CRC32();
  crc32.update(getNameFromConnectionInfo(connectionInfo).getBytes(UTF8));
  return (int) crc32.getValue();
 }
}

@Override
public void onNodeRemoved(OperationsNodeInfo nodeInfo) {
 String dnsName = getNameFromConnectionInfo(nodeInfo.getConnectionInfo());
 int accessPointId = ServerNameUtil.crc32(nodeInfo.getConnectionInfo());
 opsServersMap.remove(accessPointId);
 LOG.info("Operations server [{}][{}] removed. Updating {} Bootstrap servers",
   accessPointId, dnsName, bootstrapsMap.size());
 for (BootstrapNodeInfo bootstrapNodeInfo : bootstrapsMap.values()) {
  updateBootstrap(bootstrapNodeInfo);
 }
}

private Set<ProtocolConnectionData> toProtocolConnectionData(OperationsNodeInfo node,
                               TransportMetaData md,
                               int version) {
 byte[] connectionData = null;
 Set<ProtocolConnectionData> result = new HashSet<>();
 for (VersionConnectionInfoPair pair : md.getConnectionInfo()) {
  if (version == pair.getVersion()) {
   result.add(new ProtocolConnectionData(ServerNameUtil.crc32(node.getConnectionInfo()),
     new ProtocolVersionId(md.getId(), version),
     pair.getConenctionInfo().array())
   );
  }
 }
 return result;
}

List<TransportMetaData> supportedChannels = node.getTransports();
int accessPointId = ServerNameUtil.crc32(node.getConnectionInfo());

@Override
public void onNodeUpdated(BootstrapNodeInfo nodeInfo) {
 String dnsName = getNameFromConnectionInfo(nodeInfo.getConnectionInfo());
 LOG.info("Bootstrap server {} updated", dnsName);
 bootstrapsMap.put(dnsName, nodeInfo);
}

@Override
public void onNodeAdded(OperationsNodeInfo nodeInfo) {
 String dnsName = getNameFromConnectionInfo(nodeInfo.getConnectionInfo());
 int accessPointId = ServerNameUtil.crc32(nodeInfo.getConnectionInfo());
 addNewOperationsServer(accessPointId, dnsName, nodeInfo);
 LOG.info("Operations server [{}][{}] added. Updating {} Bootstrap servers",
   accessPointId, dnsName, bootstrapsMap.size());
 for (BootstrapNodeInfo bootstrapNodeInfo : bootstrapsMap.values()) {
  updateBootstrap(bootstrapNodeInfo);
 }
}

List<TransportMetaData> supportedChannels = node.getTransports();
int accessPointId = ServerNameUtil.crc32(node.getConnectionInfo());
for (TransportMetaData transport : supportedChannels) {
 for (VersionConnectionInfoPair pair : transport.getConnectionInfo()) {

@Override
public void onNodeRemoved(BootstrapNodeInfo nodeInfo) {
 String dnsName = getNameFromConnectionInfo(nodeInfo.getConnectionInfo());
 LOG.info("Bootstrap server {} removed", dnsName);
 bootstrapsMap.remove(dnsName);
}

@Override
public void onNodeUpdated(OperationsNodeInfo nodeInfo) {
 String dnsName = getNameFromConnectionInfo(nodeInfo.getConnectionInfo());
 int accessPointId = ServerNameUtil.crc32(nodeInfo.getConnectionInfo());
 LOG.info("Operations server [{}][{}] updated", accessPointId, dnsName);
 if (opsServersMap.containsKey(accessPointId)) {
  opsServersMap.get(accessPointId).history.addOpsServerLoad(nodeInfo.getLoadInfo());
 } else {
  addNewOperationsServer(accessPointId, dnsName, nodeInfo);
 }
}

private void removeNode(OperationsNodeInfo info) {
 if (opsMap.remove(getNameFromConnectionInfo(info.getConnectionInfo())) != null) {
  LOG.info("Removed node {}", info);
 } else {
  LOG.warn("Failed to remove node {}", info);
 }
 LOG.info("Cleanup cached responses");
 cache.clear();
}

private void addNode(OperationsNodeInfo info) {
 LOG.info("Add/Update node {}", info);
 opsMap.put(getNameFromConnectionInfo(info.getConnectionInfo()), info);
 LOG.info("Cleanup cached responses");
 cache.clear();
}

@Override
public void onNodeAdded(BootstrapNodeInfo nodeInfo) {
 final String dnsName = getNameFromConnectionInfo(nodeInfo.getConnectionInfo());
 LOG.info("Bootstrap server {} added", dnsName);
 bootstrapsMap.put(dnsName, nodeInfo);
 updateBootstrap(nodeInfo);
}

final String dnsName = getNameFromConnectionInfo(nodeInfo.getConnectionInfo());
LOG.debug("Update bootstrap service: {}", dnsName);
try {