}

    @Override public Socket createSocket(
        String host, int port, InetAddress localHost, int localPort) throws IOException {
      return configureSocket((SSLSocket) delegate.createSocket(host, port, localHost, localPort));
    }

    @Override public Socket createSocket(InetAddress host, int port) throws IOException {
      return configureSocket((SSLSocket) delegate.createSocket(host, port));
    }

      writeShort(1) // CLASS_IN
    }.readByteString()

  @Throws(Exception::class)
  fun decodeAnswers(
    hostname: String,
    byteString: ByteString,
  ): List<InetAddress> {
    val result = mutableListOf<InetAddress>()

    val buf = Buffer()
    buf.write(byteString)
    buf.readShort() // query id

    val flags = buf.readShort().toInt() and 0xffff
    require(flags shr 15 != 0) { "not a response" }

     * 
     * @return the ip address
     */
    String getHostAddress ();


    /**
     * 
     * @return this address as an InetAddress
     * @throws UnknownHostException
     */
    InetAddress toInetAddress () throws UnknownHostException;


    /**
     * Guess called name to try for session establishment. These
     * methods are used by the smb package.
     * 

import java.net.IDN;
import java.net.InetAddress;
import java.net.URLDecoder;
import java.net.UnknownHostException;

import org.apache.http.conn.DnsResolver;

public class IdnDnsResolver implements DnsResolver {

    protected int flag = 0;

    protected String encoding = "UTF-8";

    @Override
    public InetAddress[] resolve(final String host) throws UnknownHostException {

  val bootstrapClient = OkHttpClient.Builder().cache(appCache).build()

  val dns = DnsOverHttps.Builder().client(bootstrapClient)
    .url("https://dns.google/dns-query".toHttpUrl())
    .bootstrapDnsHosts(InetAddress.getByName("8.8.4.4"), InetAddress.getByName("8.8.8.8"))
    .build()

  val client = bootstrapClient.newBuilder().dns(dns).build()
```

 *  - The prioritisation of addresses
 *
 * https://datatracker.ietf.org/doc/html/rfc8305#section-4
 */
fun reorderForHappyEyeballs(addresses: List<InetAddress>): List<InetAddress> {
  if (addresses.size < 2) {
    return addresses
  }

  val (ipv6, ipv4) = addresses.partition { it is Inet6Address }

  return if (ipv6.isEmpty() || ipv4.isEmpty()) {
    addresses
  } else {
    interleave(ipv6, ipv4)
  }

    assertThat(socketAddress.socketHost).isEqualTo("127.0.0.1")

    // InetAddress proxy specification.
    socketAddress = InetSocketAddress(InetAddress.getByName("localhost"), 1234)
    assertThat(socketAddress.socketHost).isEqualTo("127.0.0.1")
    socketAddress = InetSocketAddress(InetAddress.getByAddress(byteArrayOf(127, 0, 0, 1)), 1234)
    assertThat(socketAddress.socketHost).isEqualTo("127.0.0.1")

        add(buildCryptoSx(client)) // 521 - server down
      }
      add(buildChantra(client))
    }
  }

  private fun getByIp(host: String): InetAddress {
    return try {
      InetAddress.getByName(host)
    } catch (e: UnknownHostException) {
      // unlikely
      throw RuntimeException(e)
    }
  }

                    if ( addressType.getValue().intValue() == KerberosConstants.AF_INTERNET ) {
                        InetAddress userAddress = null;
                        try {
                            userAddress = InetAddress.getByAddress(addressOctets.getOctets());
                        }
                        catch ( UnknownHostException e ) {}

  val clientTestRule = OkHttpClientTestRule()

  // Don't use JUnit 5 test rules for these; otherwise we can't bind them to a single local IP.
  private lateinit var localhostIpv4: InetAddress
  private lateinit var localhostIpv6: InetAddress
  private lateinit var serverIpv4: MockWebServer
  private lateinit var serverIpv6: MockWebServer

  private val listener = RecordingEventListener()
  private lateinit var client: OkHttpClient