get() = finder.routePlanner.address.url.host != codec.carrier.route.address.url.host

  @Throws(IOException::class)
  fun writeRequestHeaders(request: Request) {
    try {
      eventListener.requestHeadersStart(call)
      codec.writeRequestHeaders(request)
      eventListener.requestHeadersEnd(call, request)
    } catch (e: IOException) {
      eventListener.requestFailed(call, e)
      trackFailure(e)

  fun createRequestBody(
    request: Request,
    contentLength: Long,
  ): Sink

  /** This should update the HTTP engine's sentRequestMillis field. */
  @Throws(IOException::class)
  fun writeRequestHeaders(request: Request)

  /** Flush the request to the underlying socket. */
  @Throws(IOException::class)
  fun flushRequest()

    val sentRequestMillis = System.currentTimeMillis()

    var invokeStartEvent = true
    var responseBuilder: Response.Builder? = null
    var sendRequestException: IOException? = null
    try {
      exchange.writeRequestHeaders(request)

      if (HttpMethod.permitsRequestBody(request.method) && requestBody != null) {
        // If there's a "Expect: 100-continue" header on the request, wait for a "HTTP/1.1 100

  @Volatile
  private var canceled = false

  override fun createRequestBody(
    request: Request,
    contentLength: Long,
  ): Sink {
    return stream!!.getSink()
  }

  override fun writeRequestHeaders(request: Request) {
    if (stream != null) return

    val hasRequestBody = request.body != null
    val requestHeaders = http2HeadersList(request)
    stream = http2Connection.newStream(requestHeaders, hasRequestBody)

   * has been written to and closed. This ensures that the `Content-Length` header field receives
   * the proper value.
   */
  override fun writeRequestHeaders(request: Request) {
    val requestLine = RequestLine.get(request, carrier.route.proxy.type())
    writeRequest(request.headers, requestLine)
  }

  override fun reportedContentLength(response: Response): Long {