def receive_message(request):
    return request.ws_stream.receive_message()
Take an aff4 path and download all files in it to output_dir.
dataset/ETHPy150Open google/pywebsocket/mod_pywebsocket/msgutil.py/receive_message--crossover with--dataset/ETHPy150Open google/grr/grr/lib/console_utils.py/DownloadDir