object : DelegatingSocketFactory(getDefault()) {
            @Throws(IOException::class)
            override fun configureSocket(socket: Socket): Socket {
              socket.setSendBufferSize(SOCKET_BUFFER_SIZE)
              socket.setReceiveBufferSize(SOCKET_BUFFER_SIZE)
              return socket
            }
          },
        ).build()
  }

  @AfterEach
  fun tearDown() {

  }

  @Throws(IOException::class)
  override fun createSocket(
    host: String,
    port: Int,
  ): Socket {
    val socket = delegate.createSocket(host, port)
    return configureSocket(socket)
  }

  @Throws(IOException::class)
  override fun createSocket(
    host: String,
    port: Int,
    localAddress: InetAddress,
    localPort: Int,
  ): Socket {

  override fun configureSocket(sslSocket: SSLSocket): SSLSocket = TlsFallbackScsvDisabledSSLSocket(sslSocket)

  private class TlsFallbackScsvDisabledSSLSocket(
    socket: SSLSocket,
  ) : DelegatingSSLSocket(socket) {
    override fun setEnabledCipherSuites(suites: Array<String>) {
      val enabledCipherSuites = mutableListOf<String>()
      for (suite in suites) {
        if (suite != TLS_FALLBACK_SCSV) {

 */
package okhttp3

import java.io.IOException
import java.net.InetAddress
import java.net.ServerSocket
import javax.net.ServerSocketFactory

/**
 * A [ServerSocketFactory] that delegates calls. Sockets can be configured after creation by
 * overriding [.configureServerSocket].
 */
open class DelegatingServerSocketFactory(
  private val delegate: ServerSocketFactory,
) : ServerSocketFactory() {

  override fun getSupportedCipherSuites(): Array<String> = delegate.supportedCipherSuites

  @Throws(IOException::class)
  override fun createSocket(
    socket: Socket,
    host: String,
    port: Int,
    autoClose: Boolean,
  ): SSLSocket {
    val sslSocket = delegate.createSocket(socket, host, port, autoClose) as SSLSocket
    return configureSocket(sslSocket)
  }

  @Throws(IOException::class)

  // from the perspective of a single peer.
  private val random = Random(0)
  private val taskFaker = TaskFaker()
  private val sockets = inMemorySocketPair(8192L)
  private val client = TestStreams(taskFaker, sockets[0], client = true)
  private val server = TestStreams(taskFaker, sockets[1], client = false)

  @BeforeEach
  fun setUp() {
    client.initWebSocket(random)
    server.initWebSocket(random)
  }

			// with dead end because tcp-keepalive is not fired when there is data in the socket buffer.
			//    https://blog.cloudflare.com/when-tcp-sockets-refuse-to-die/
			// This is a sensitive configuration, it is better to set it to high values, > 60 secs since it can
			// affect clients reading data with a very slow pace  (disappropriate with socket buffer sizes)
			if opts.UserTimeout > 0 {

            @Throws(IOException::class)
            override fun configureSocket(socket: Socket): Socket {
              socket.sendBufferSize = SOCKET_BUFFER_SIZE
              socket.receiveBufferSize = SOCKET_BUFFER_SIZE
              return socket
            }
          },
        ).sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),

 *
 * [ietf_alpn]: http://tools.ietf.org/html/draft-ietf-tls-applayerprotoneg
 */
enum class Protocol(
  private val protocol: String,
) {
  /**
   * An obsolete plaintext framing that does not use persistent sockets by default.
   */
  HTTP_1_0("http/1.0"),

  /**
   * A plaintext framing that includes persistent connections.
   *
   * This version of OkHttp implements [RFC 7230][rfc_7230], and tracks revisions to that spec.

  /** Returns the route used by this connection. */
  fun route(): Route

  /**
   * Returns the socket that this connection is using. Returns an
   * [SSL socket][javax.net.ssl.SSLSocket] if this connection is HTTPS. If this is an HTTP/2
   * connection the socket may be shared by multiple concurrent calls.
   */
  fun socket(): Socket

  /**
   * Returns the TLS handshake used to establish this connection, or null if the connection is not