e: IOException,
  )

  /**
   * Called when the HTTP response was successfully returned by the remote server. The callback may
   * proceed to read the response body with [Response.body]. The response is still live until its
   * response body is [closed][ResponseBody]. The recipient of the callback may consume the response
   * body on another thread.
   *

    assertThat(response.trailers()).isEmpty()
  }

  @Test
  fun testFailsIfTrailersNotSet() {
    val response =
      newResponse("".toResponseBody()) {
        // All live paths (Http1, Http2) in OkHttp do this
        trailers { error("trailers not available") }
      }

    assertFailsWith<IllegalStateException>(message = "trailers not available") {
      response.trailers()
    }
  }

      }
    };

    thread.start();
  }

  /**
   * This request body makes it possible for another thread to stream data to the uploading request.
   * This is potentially useful for posting live event streams like video capture. Callers should
   * write to {@code sink()} and close it to complete the post.
   */
  static final class PipeBody extends RequestBody {
    private final Pipe pipe = new Pipe(8192);

 * should give up.
 *
 * When reactive authentication is requested by an origin web server, the response code is 401
 * and the implementation should respond with a new request that sets the "Authorization" header.
 *
 * ```java
 * if (response.request().header("Authorization") != null) {
 *   return null; // Give up, we've already failed to authenticate.
 * }
 *

          override fun authenticate(
            route: Route?,
            response: Response,
          ): Request? {
            if (response.request.header("Authorization") != null) {
              return null // Give up, we've already attempted to authenticate.
            }

            println("Authenticating for response: $response")
            println("Challenges: ${response.challenges()}")

    while (pos < limit) {
      var dot = string.indexOf('.', startIndex = pos)
      if (dot == -1) dot = limit

      if (!encodeLabel(string, pos, dot, result)) {
        // If we couldn't encode the label, give up.
        return null
      }

      if (dot < limit) {
        result.writeByte('.'.code)
        pos = dot + 1
      } else {
        break
      }
    }

    return result.readUtf8()
  }

    val responseA = client.newCall(requestA).execute()

    assertThat(responseA.body.string()).isEqualTo("a")
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)

    // Give the socket a chance to become stale.
    connection!!.idleAtNs -= IDLE_CONNECTION_HEALTHY_NS
    Thread.sleep(250)

    val requestB =
      Request(
        url = server.url("/"),

 * **REMOVED:** ~~TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA~~


[OkHttp 3.5][OkHttp35]
----------------------

_2016-11-30_

Remove three old cipher suites and add five new ones. This tracks changes in what's available on
Android and Java, and also what cipher suites recent releases of Chrome and Firefox support by
default.

##### MODERN_TLS / COMPATIBLE_TLS cipher suites

  public Authenticate() {
    client = new OkHttpClient.Builder()
        .authenticator((route, response) -> {
          if (response.request().header("Authorization") != null) {
            return null; // Give up, we've already attempted to authenticate.
          }

          System.out.println("Authenticating for response: " + response);
          System.out.println("Challenges: " + response.challenges());

    val charset = parameter("charset") ?: return defaultValue
    return try {
      Charset.forName(charset)
    } catch (_: IllegalArgumentException) {
      defaultValue // This charset is invalid or unsupported. Give up.
    }
  }

  /**
   * Returns the parameter [name] of this media type, or null if this media type does not define
   * such a parameter.
   */
  fun parameter(name: String): String? = commonParameter(name)