): Relay {
      val randomAccessFile = RandomAccessFile(file, "rw")
      val result = Relay(randomAccessFile, upstream, 0L, metadata, bufferMaxSize)

      // Write a dirty header. That way if we crash we won't attempt to recover this.
      randomAccessFile.setLength(0L)
      result.writeHeader(PREFIX_DIRTY, -1L, -1L)

      return result
    }

    /**

saves bandwidth but it costs CPU and memory! If you run into a problem you may need to adjust or
disable the `permessage-deflate` compression settings on your server.

Note that OkHttp won't use compression when sending messages smaller than 1 KiB.

 *  Fix: Don't crash when the URL hostname contains an underscore on Android.

          .build(),
      )
    }
  }

  private fun testServerClosesOutput(socketPolicy: SocketPolicy) {
    server.enqueue(
      MockResponse(
        body = "This connection won't pool properly",
        socketPolicy = socketPolicy,
      ),
    )
    val responseAfter = MockResponse(body = "This comes after a busted connection")
    server.enqueue(responseAfter)

        }

        if (connectResult.isSuccess) {
          // We have a connected TCP connection. Cancel and defer the racing connects that all lost.
          cancelInFlightConnects()

          // Finish connecting. We won't have to if the winner is from the connection pool.
          if (!connectResult.plan.isReady) {
            connectResult = connectResult.plan.connectTlsEtc()
          }

          if (connectResult.isSuccess) {

 * sets of related domain names. The following forms are permitted:
 *
 *  * **Full domain name**: you may pin an exact domain name like `www.publicobject.com`. It won't
 *    match additional prefixes (`us-west.www.publicobject.com`) or suffixes (`publicobject.com`).
 *
 *  * **Any number of subdomains**: Use two asterisks to like `**.publicobject.com` to match any

        if (tunnelResult.nextPlan != null || tunnelResult.throwable != null) {
          return tunnelResult
        }
      }

      if (route.address.sslSocketFactory != null) {
        // Assume the server won't send a TLS ServerHello until we send a TLS ClientHello. If
        // that happens, then we will have buffered bytes that are needed by the SSLSocket!

 * true for systems like Mac, Unix, and Linux that use inodes in their file system interface. It is
 * typically false on Windows.
 *
 * If this returns false we won't permit simultaneous reads and writes. When writes commit we need
 * to delete the previous snapshots, and that won't succeed if the file is open. (We do permit
 * multiple simultaneous reads.)
 *
 * @param file a file in the directory to check. This file shouldn't already exist!

    assertThat(client.canceled).isFalse()

    taskFaker.advanceUntil(ns(RealWebSocket.CANCEL_AFTER_CLOSE_MILLIS))
    assertThat(client.canceled).isTrue()

    client.processNextFrame() // This won't get a frame, but it will get a closed pipe.
    client.listener.assertFailure(IOException::class.java, "canceled")
    taskFaker.runTasks()
  }

  @Test
  fun clientCloseCancelsConnectionAfterCustomTimeout() {

    println("Proxy Server 1 is ${server1.inetSocketAddress}")
    println("Proxy Server 2 is ${server2.inetSocketAddress}")

    // Since myproxy:8008 won't resolve, redirect with DNS to proxyServer1
    // Then redirect socket connection to server1
    dns["myproxy"] = listOf(proxyServer1)
    socketFactory[proxyServer1] = server1.inetSocketAddress

  private var contextSwitchCount = 0

  /** Guarded by [TaskRunner.lock]. */
  private var activeThreads = 0

  /** A task runner that posts tasks to this fake. Tasks won't be executed until requested. */
  val taskRunner: TaskRunner =
    TaskRunner(
      object : TaskRunner.Backend {
        override fun execute(
          taskRunner: TaskRunner,
          runnable: Runnable,