val buffer = Buffer()

  /**
   * Reference count of the number of active sources reading this stream. When decremented to 0
   * resources are released and all following calls to [.newSource] return null. Guarded by this.
   */
  var sourceCount = 0

  val isClosed: Boolean
    get() = file == null

  @Throws(IOException::class)
  private fun writeHeader(
    prefix: ByteString,

 * limitations under the License.
 */
package okhttp3

import java.io.IOException
import java.net.InetAddress
import java.net.Socket
import javax.net.SocketFactory

/**
 * A [SocketFactory] that delegates calls. Sockets can be configured after creation by
 * overriding [.configureSocket].
 */
open class DelegatingSocketFactory(private val delegate: SocketFactory) : SocketFactory() {
  @Throws(IOException::class)

import javax.net.ssl.X509TrustManager
import okhttp3.internal.SuppressSignatureCheck
import okhttp3.internal.tls.CertificateChainCleaner

/**
 * Android implementation of CertificateChainCleaner using direct Android API calls.
 * Not used if X509TrustManager doesn't implement [X509TrustManager.checkServerTrusted] with
 * an additional host param.
 */
internal class AndroidCertificateChainCleaner(
  private val trustManager: X509TrustManager,

package okhttp3

import java.io.IOException
import java.net.InetAddress
import java.net.Socket
import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory

/**
 * A [SSLSocketFactory] that delegates calls. Sockets can be configured after creation by
 * overriding [.configureSocket].
 */
open class DelegatingSSLSocketFactory(private val delegate: SSLSocketFactory) : SSLSocketFactory() {
  @Throws(IOException::class)

  fun testLoggingLevels() {
    enableTls()

    val testHandler =
      object : Handler() {
        val calls = mutableMapOf<String, AtomicInteger>()

        override fun publish(record: LogRecord) {
          calls.getOrPut(record.loggerName) { AtomicInteger(0) }
            .incrementAndGet()
        }

        override fun flush() {
        }

    // Impact the coordinator if we inserted at the front.
    return insertAt == 0
  }

  /**
   * Schedules immediate execution of [Task.tryCancel] on all currently-enqueued tasks. These calls
   * will not be made until any currently-executing task has completed. Tasks that return true will
   * be removed from the execution schedule.
   */
  fun cancelAll() {
    lock.assertNotHeld()

) {
  /**
   * Confirms that at least one of the certificates pinned for `hostname` is in `peerCertificates`.
   * Does nothing if there are no certificates pinned for `hostname`. OkHttp calls this after a
   * successful TLS handshake, but before the connection is used.
   *
   * @throws SSLPeerUnverifiedException if `peerCertificates` don't match the certificates pinned
   *     for `hostname`.
   */

    executeSynchronously(request).assertFailure("$dns returned no addresses for android.com")
    dns.assertRequests("android.com")
  }

  /** We had a bug where failed HTTP/2 calls could break the entire connection.  */
  @Flaky
  @Test
  fun failingCallsDoNotInterfereWithConnection() {
    enableProtocol(Protocol.HTTP_2)
    server.enqueue(MockResponse(body = "Response 1"))

          if (lengthA != lengthB) return if (lengthA < lengthB) -1 else 1
          return 0
        }
      }

    /**
     * Holds interned instances. This needs to be above the init() calls below so that it's
     * initialized by the time those parts of `<clinit>()` run. Guarded by CipherSuite.class.
     */
    private val INSTANCES = mutableMapOf<String, CipherSuite>()

) : AbstractExecutorService() {
  private var shutdown: Boolean = false
  private val calls = mutableListOf<RealCall.AsyncCall>()

  override fun execute(command: Runnable) {
    if (shutdown) throw RejectedExecutionException()
    calls.add(command as RealCall.AsyncCall)
  }

  fun assertJobs(vararg expectedUrls: String) {
    val actualUrls = calls.map { it.request.url.toString() }
    assertThat(actualUrls).containsExactly(*expectedUrls)