}

  private suspend fun updateLocalFile() =
    withContext(Dispatchers.IO) {
      client.newCall(request).executeAsync().use { response ->
        fileSystem.sink(publicSuffixListDotDat).buffer().use { sink ->
          sink.writeAll(response.body.source())
        }
      }
    }

  private suspend fun readImportResults(): ImportResults =
    withContext(Dispatchers.IO) {

      Http1ExchangeCodec(client, this, source, sink)
    }
  }

  @Throws(SocketException::class)
  internal fun newWebSocketStreams(exchange: Exchange): RealWebSocket.Streams {
    val socket = this.socket!!
    val source = this.source!!
    val sink = this.sink!!

    socket.soTimeout = 0
    noNewExchanges()
    return object : RealWebSocket.Streams(true, source, sink) {
      override fun close() {

  private fun transfer(
    fromAddress: InetAddress,
    toAddress: InetAddress,
    source: BufferedSource,
    sink: BufferedSink,
  ) {
    executor.execute {
      val name = "SocksProxy $fromAddress to $toAddress"
      threadName(name) {
        val buffer = Buffer()
        try {
          sink.use {
            source.use {
              while (true) {
                val byteCount = source.read(buffer, 8192L)

    require(streamId and 0x80000000.toInt() == 0) { "reserved bit set: $streamId" }
    sink.writeMedium(length)
    sink.writeByte(type and 0xff)
    sink.writeByte(flags and 0xff)
    sink.writeInt(streamId and 0x7fffffff)
  }

  @Throws(IOException::class)
  override fun close() {
    this.withLock {
      closed = true
      sink.close()
    }
  }

  @Throws(IOException::class)

      val source = this.source!!
      val sink = this.sink!!
      val tunnelCodec =
        Http1ExchangeCodec(
          // No client for CONNECT tunnels:
          client = null,
          carrier = this,
          source = source,
          sink = sink,
        )
      source.timeout().timeout(readTimeoutMillis.toLong(), TimeUnit.MILLISECONDS)

  /**
   * Returns a sink that can be used to write data to the peer.
   *
   * @throws IllegalStateException if this stream was initiated by the peer and a [writeHeaders] has
   *     not yet been sent.
   */
  fun getSink(): Sink {
    this.withLock {
      check(hasResponseHeaders || isLocallyInitiated) {
        "reply before requesting the sink"
      }
    }
    return sink
  }

    val pipe = Pipe(1024)
    val sink = pipe.sink.buffer()
    val relay = edit(file, pipe.source, metadata, 5)
    val future1 = executor.submit(sourceReader(relay.newSource()))
    val future2 = executor.submit(sourceReader(relay.newSource()))
    Thread.sleep(500)
    sink.writeUtf8("abcdefghij")
    Thread.sleep(500)
    sink.writeUtf8("klmnopqrst")
    sink.close()
    assertThat<ByteString>(future1.get())

    server.listener.assertClosing(1000, "Bye!")
    server.webSocket!!.finishReader()
    server.listener.assertClosed(1000, "Bye!")
  }

  @Test
  fun emptyCloseInitiatesShutdown() {
    server.sink.write("8800".decodeHex()).emit() // Close without code.
    client.processNextFrame()
    client.listener.assertClosing(1005, "")
    client.webSocket!!.finishReader()

    val sink1 = stream1.getSink().buffer()
    val sink2 = stream2.getSink().buffer()
    sink1.writeUtf8("abc")
    assertFailsWith<IOException> {
      sink2.writeUtf8("abc")
      sink2.flush()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("stream was reset: REFUSED_STREAM")
    }
    sink1.writeUtf8("def")
    sink1.close()

      source: BufferedSource = socket.source().buffer(),
      sink: BufferedSink = socket.sink().buffer(),
    ) = apply {
      this.socket = socket
      this.connectionName =
        when {
          client -> "$okHttpName $peerName"
          else -> "MockWebServer $peerName"
        }
      this.source = source
      this.sink = sink
    }

    fun listener(listener: Listener) =
      apply {