import okio.Sink

class FaultyFileSystem constructor(
  delegate: FileSystem?,
) : ForwardingFileSystem(delegate!!) {
  private val writeFaults: MutableSet<Path> = LinkedHashSet()
  private val deleteFaults: MutableSet<Path> = LinkedHashSet()
  private val renameFaults: MutableSet<Path> = LinkedHashSet()

  fun setFaultyWrite(
    file: Path,
    faulty: Boolean,
  ) {
    if (faulty) {
      writeFaults.add(file)

class BasicTrustRootIndex(
  vararg caCerts: X509Certificate,
) : TrustRootIndex {
  private val subjectToCaCerts: Map<X500Principal, Set<X509Certificate>>

  init {
    val map = mutableMapOf<X500Principal, MutableSet<X509Certificate>>()
    for (caCert in caCerts) {
      map.getOrPut(caCert.subjectX500Principal) { mutableSetOf() }.add(caCert)
    }
    this.subjectToCaCerts = map
  }

class SocksProxy {
  private val executor = Executors.newCachedThreadPool(threadFactory("SocksProxy"))
  private var serverSocket: ServerSocket? = null
  private val connectionCount = AtomicInteger()
  private val openSockets: MutableSet<Socket> = ConcurrentHashMap.newKeySet()

  fun play() {
    serverSocket = ServerSocket(0)
    executor.execute {
      val threadName = "SocksProxy ${serverSocket!!.localPort}"