get() = http2Connection != null

  /** Prevent further exchanges from being created on this connection. */
  override fun noNewExchanges() {
    this.withLock {
      noNewExchanges = true
    }
    connectionListener.noNewExchanges(this)
  }

  /** Prevent this connection from being used for hosts other than the one in [route]. */
  internal fun noCoalescedConnections() {
    this.withLock {

 *  Fix: Reliably update and invalidate the disk cache on windows. As originally designed our
    internal `DiskLruCache` assumes an inode-like file system, where it's fine to delete files that
    are currently being read or written. On Windows the file system forbids this so we must be more
    careful when deleting and renaming files.

 *  Fix: Don't crash on Java 8u252 which introduces an API previously found only on Java 9 and

   * This method is safe to be called concurrently, but provides limited guarantees. If a transport
   * layer connection has been established (such as a HTTP/2 stream) that is terminated. Otherwise
   * if a socket connection is being established, that is terminated.
   */
  override fun cancel() {
    if (canceled) return // Already canceled.

    canceled = true
    exchange?.cancel()
    for (plan in plansToCancel) {

   * cache then this is the timestamp of the original request.
   */
  @get:JvmName("sentRequestAtMillis") val sentRequestAtMillis: Long,
  /**
   * Returns a [timestamp][System.currentTimeMillis] taken immediately after OkHttp
   * received this response's headers from the network. If this response is being served from the

  private val factory = routePlanner.factory
  private val taskFaker = routePlanner.taskFaker
  private val peer = MockHttp2Peer()

  /** The fake task runner prevents the cleanup runnable from being started.  */
  private val addressA = factory.newAddress("a")
  private val routeA1 = factory.newRoute(addressA)
  private val addressB = factory.newAddress("b")
  private val routeB1 = factory.newRoute(addressB)

    assumeNotWindows()
    client =
      client.newBuilder()
        .pingInterval(Duration.ofMillis(500))
        .build()

    // Stall in onOpen to prevent pongs from being sent.
    val latch = CountDownLatch(1)
    webServer.enqueue(
      MockResponse.Builder()
        .webSocketUpgrade(
          object : WebSocketListener() {
            override fun onOpen(

    non-ASCII characters (including international characters and emoji).

 *  **Call canceling is more reliable.**  We had a bug where a socket being
     connected wasn't being closed when the application used `Call.cancel()`.

 *  **Changing a HttpUrl’s scheme now tracks the default port.** We had a bug
    where changing a URL from `http` to `https` would leave it on port 80.

  fun loopReader(response: Response) {
    try {
      listener.onOpen(this@RealWebSocket, response)
      while (receivedCloseCode == -1) {
        // This method call results in one or more onRead* methods being called on this thread.
        reader!!.processNextFrame()
      }
    } catch (e: Exception) {
      failWebSocket(e = e)
    } finally {
      finishReader()
    }
  }

  /**

  @get:JvmName("secure") val secure: Boolean,
  /**
   * Returns true if this cookie should be limited to only HTTP APIs. In web browsers this prevents
   * the cookie from being accessible to scripts.
   */
  @get:JvmName("httpOnly") val httpOnly: Boolean,
  /**
   * Returns true if this cookie does not expire at the end of the current session.
   *

     * and need to be bundled in a particular order. Any "multipart" subtypes that an implementation
     * does not recognize must be treated as being of subtype "mixed".
     */
    @JvmField
    val MIXED = "multipart/mixed".toMediaType()

    /**
     * The "multipart/alternative" type is syntactically identical to "multipart/mixed", but the