private final File path;

  public UnixDomainSocketFactory(File path) {
    this.path = path;
  }

  @Override public Socket createSocket() throws IOException {
    UnixSocketChannel channel = UnixSocketChannel.open();
    return new TunnelingUnixSocket(path, channel);
  }

  @Override public Socket createSocket(String host, int port) throws IOException {
    Socket result = createSocket();

    try {

    client.newWebSocket(request, this);

    // Trigger shutdown of the dispatcher's executor so this process exits immediately.
    client.dispatcher().executorService().shutdown();
  }

  @Override public void onOpen(WebSocket webSocket, Response response) {
    webSocket.send("Hello...");
    webSocket.send("...World!");
    webSocket.send(ByteString.decodeHex("deadbeef"));
    webSocket.close(1000, "Goodbye, World!");
  }