if (hostnameCount.getAndIncrement() >= hostLimit) return;

    Request request = new Request.Builder()
        .url(url)
        .build();
    try (Response response = client.newCall(request).execute()) {
      String responseSource = response.networkResponse() != null ? ("(network: "
          + response.networkResponse().code()
          + " over "
          + response.protocol()

    showUrl("https://squareup.com/robots.txt")
    showUrl("https://publicobject.com/helloworld.txt")
  }

  private fun showUrl(url: String) {
    val request = Builder().url(url).build()
    client
      .newCall(request)
      .execute()
      .use { response ->
        if (!response.isSuccessful) {
          val responseHeaders = response.headers
          for (i in 0 until responseHeaders.size) {

        handshakeEnabledCipherSuites = socket.enabledCipherSuites.toList()

        it.proceed(it.request())
      }.build()

  private fun makeRequest(client: OkHttpClient): Handshake {
    val call = client.newCall(Request(server.url("/")))
    return call.execute().use { it.handshake!! }
  }

    .sslSocketFactory(clientCertificates.sslSocketFactory(), clientCertificates.trustManager())
    .build();

// Connect 'em all together. Certificates are exchanged in the handshake.
Call call = client.newCall(new Request.Builder()
    .url(server.url("/"))
    .build());
Response response = call.execute();
System.out.println(response.handshake().peerPrincipal());
RecordedRequest recordedRequest = server.takeRequest();

    server2.useHttps(handshakeCertificates.sslSocketFactory())
  }

  private fun executeSynchronously(request: Request): RecordedResponse {
    val call = client.newCall(request)
    return try {
      val response = call.execute()
      val bodyString = response.body.string()
      RecordedResponse(request, response, null, bodyString, null)
    } catch (e: IOException) {

      }
    }
  }

  private fun sendTestRequest(request: Request) {
    try {
      if (this.launch != CommandLine) {
        println(request.url)
      }

      client
        .newCall(request)
        .execute()
        .use {
          val firstLine =
            it.body
              .string()
              .lines()
              .first()
          if (this.launch != CommandLine) {

     * [EventListener] instance will be used during the lifecycle of [call].
     *
     * This method is invoked after [call] is created. See [OkHttpClient.newCall].
     *
     * **It is an error for implementations to issue any mutating operations on the [call] instance
     * from this method.**
     */
    fun create(call: Call): EventListener
  }

    server
      .url(path)
      .newBuilder()
      .host(InetAddress.getByName(server.hostName).hostAddress)
      .build()

  private operator fun get(url: HttpUrl) {
    val call =
      client.newCall(
        Request
          .Builder()
          .url(url)
          .build(),
      )
    val response = call.execute()
    response.body.close()
  }

 * OkHttpClient client = OkHttpClient.Builder()
 *     .certificatePinner(certificatePinner)
 *     .build();
 *
 * Request request = new Request.Builder()
 *     .url("https://" + hostname)
 *     .build();
 * client.newCall(request).execute();
 * ```
 *
 * As expected, this fails with a certificate pinning exception:
 *
 * ```java
 * javax.net.ssl.SSLPeerUnverifiedException: Certificate pinning failure!
 * Peer certificate chain:

    server.enqueue(mockResponse2.build())
    val call1 = client.newCall(newRequest("/"))
    val response1 = call1.execute()
    val in1 = response1.body.byteStream()
    assertThat(readAscii(in1, 5)).isEqualTo("ABCDE")
    in1.close()
    call1.cancel()
    val call2 = client.newCall(newRequest("/"))
    val response2 = call2.execute()
    val in2 = response2.body.byteStream()