* limitations under the License.
 */
package okhttp3.internal.connection

import java.io.IOException
import java.net.HttpURLConnection
import java.net.Socket
import java.net.UnknownServiceException
import okhttp3.Address
import okhttp3.ConnectionSpec
import okhttp3.HttpUrl
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.Response
import okhttp3.Route

        socket?.closeQuietly()
      }
    }
  }

  private fun doSsl(socket: Socket): SSLSocket {
    val sslSocket =
      sslSocketFactory.createSocket(
        socket,
        socket.inetAddress.hostAddress,
        socket.port,
        true,
      ) as SSLSocket
    sslSocket.useClientMode = false
    Platform.get().configureTlsExtensions(sslSocket, null, listOf(Protocol.HTTP_2))
    sslSocket.startHandshake()

      )
    assertThat(tlsSpec.isCompatible(socket)).isTrue()
    applyConnectionSpec(tlsSpec, socket, isFallback = false)
    assertThat(socket.enabledProtocols).containsExactly(
      TlsVersion.TLS_1_2.javaName,
    )
    assertThat(socket.enabledCipherSuites.toList())
      .containsExactlyInAnyOrder(
        CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256.javaName,

  )

private fun requestUrl(
  socket: MockWebServerSocket,
  requestLine: RequestLine,
  headers: Headers,
): HttpUrl {
  val hostAndPort =
    headers[":authority"]
      ?: headers["Host"]
      ?: when (val inetAddress = socket.localAddress) {
        is Inet6Address -> "[${inetAddress.hostAddress}]:${socket.localPort}"
        else -> "${inetAddress.hostAddress}:${socket.localPort}"
      }

    val attempt1 = attempt0.nextConnectionSpec(connectionSpecs, socket)
    assertThat(attempt1).isNotNull()
    assertThat(attempt1!!.isTlsFallback).isTrue()
    socket.close()

    // COMPATIBLE_TLS is used here.
    socket = createSocketWithEnabledProtocols(*enabledSocketTlsVersions)
    connectionSpecs[attempt1.connectionSpecIndex].apply(socket, attempt1.isTlsFallback)

  }

  override fun flushRequest() {
    socket.sink.flush()
  }

  override fun finishRequest() {
    socket.sink.flush()
  }

  /** Returns bytes of a request header for sending on an HTTP transport. */
  fun writeRequest(
    headers: Headers,
    requestLine: String,
  ) {
    check(state == STATE_IDLE) { "state: $state" }
    socket.sink.writeUtf8(requestLine).writeUtf8("\r\n")

    socket.sink.writeUtf8(response.status)
    socket.sink.writeUtf8("\r\n")

    writeHeaders(socket.sink, response.headers)

    if (response.socketHandler != null) {
      response.socketHandler.handle(socket)
      return
    }

    val body = response.body ?: return
    socket.sleepWhileOpen(response.bodyDelayNanos)
    val responseBodySink =
      socket.sink

      return delegate.getSupportedCipherSuites();
    }

    @Override public Socket createSocket(
        Socket socket, String host, int port, boolean autoClose) throws IOException {
      return configureSocket((SSLSocket) delegate.createSocket(socket, host, port, autoClose));
    }

    @Override public Socket createSocket(String host, int port) throws IOException {

    assertThat(c1.socket().isClosed).isFalse()
    assertThat(c2.socket().isClosed).isFalse()

    // Add a third connection
    val c3 = factory.newConnection(pool, routeC1, 75L)

    // The third connection bounces the first.
    assertThat(pool.closeConnections(100L)).isEqualTo(0L)
    assertThat(pool.connectionCount()).isEqualTo(2)
    assertThat(c1.socket().isClosed).isTrue()

        Http1ExchangeCodec(
          // No client for CONNECT tunnels:
          client = null,
          carrier = this,
          socket = socket,
        )
      socket.source.timeout().timeout(readTimeoutMillis.toLong(), TimeUnit.MILLISECONDS)
      socket.sink.timeout().timeout(writeTimeoutMillis.toLong(), TimeUnit.MILLISECONDS)
      tunnelCodec.writeRequest(nextRequest.headers, requestLine)