import okhttp3.internal.immutableListOf
import okhttp3.internal.toImmutableList

/**
 * A record of a TLS handshake. For HTTPS clients, the client is *local* and the remote server is
 * its *peer*.
 *
 * This value object describes a completed handshake. Use [ConnectionSpec] to set policy for new
 * handshakes.
 */
class Handshake internal constructor(
  /**

    val request = Request(server.url("/"))

    val response = client.newCall(request).execute()

    response.use {
      assertEquals(200, response.code)
      assertEquals(TlsVersion.TLS_1_3, response.handshake?.tlsVersion)
      assertEquals(Protocol.HTTP_2, response.protocol)

      assertThat(response.exchangeAccessor!!.connectionAccessor.socket())
        .isInstanceOf<SSLSocketImpl>()
    }
  }

  @Test

    try (Response response = client.newCall(request).execute()) {
      assertTrue(response.code() == 200 || response.code() == 404);
      assertEquals(Protocol.HTTP_2, response.protocol());

      for (Certificate c: response.handshake().peerCertificates()) {
        X509Certificate x = (X509Certificate) c;
        System.out.println(x.getSubjectDN());
      }
    }
  }

        .build();

    Call call = client.newCall(new Request.Builder()
        .url(server.url("/"))
        .build());
    Response response = call.execute();
    System.out.println(response.handshake().tlsVersion());
  }

  public static void main(String... args) throws Exception {
    new HttpsServer().run();
  }

    val recordedRequest = server.takeRequest()
    assertThat(recordedRequest.handshakeServerNames).containsExactly(url.host)
  }

  /**
   * Use different hostnames for the TLS handshake (including SNI) and the HTTP request (in the
   * Host header).
   */
  @Test
  fun domainFronting() {
    val heldCertificate =
      HeldCertificate.Builder()
        .commonName("server name")

  val method: String?
  val path: String?

  /**
   * The TLS handshake of the connection that carried this request, or null if the request was
   * received without TLS.
   */
  val handshake: Handshake?
  val requestUrl: HttpUrl?

  /**
   * Returns the name of the server the client requested via the SNI (Server Name Indication)
   * attribute in the TLS handshake. Unlike the rest of the HTTP exchange, this name is sent in

import java.util.concurrent.Executors
import java.util.concurrent.Future
import javax.net.ServerSocketFactory
import javax.net.SocketFactory
import javax.net.ssl.SSLSocket
import okhttp3.Handshake
import okhttp3.Handshake.Companion.handshake
import okhttp3.TestUtil.threadFactory
import okhttp3.internal.closeQuietly
import okhttp3.testing.PlatformRule
import okio.ByteString.Companion.toByteString
import org.junit.jupiter.api.AfterEach

    assertThat(response.code).isEqualTo(200)
    assertThat(response.handshake!!.cipherSuite).isNotNull()
    assertThat(response.handshake!!.tlsVersion).isNotNull()
    assertThat(response.handshake!!.localCertificates).isEmpty()
    assertThat(response.handshake!!.localPrincipal).isNull()
    assertThat(response.handshake!!.peerCertificates).isEmpty()
    assertThat(response.handshake!!.peerPrincipal).isNull()
  }

        null,
      )

    val handshake = sslSession.handshake()

    assertThat(handshake.tlsVersion).isEqualTo(TlsVersion.TLS_1_3)
    assertThat(handshake.cipherSuite).isEqualTo(CipherSuite.TLS_AES_128_GCM_SHA256)
    assertThat(handshake.peerCertificates).containsExactly(
      serverCertificate.certificate,
      serverIntermediate.certificate,
    )
    assertThat(handshake.localPrincipal).isNull()

      val handshake = response.handshake
      println(
        "${handshake!!.tlsVersion} ${handshake.cipherSuite} ${response.protocol} " +
          "${response.code} ${response.body.bytes().size}b",
      )
    }
  } catch (ioe: IOException) {
    println(ioe)
  }
}

fun main(vararg args: String) {
  // System.setProperty("javax.net.debug", "ssl:handshake:verbose");