#!/usr/bin/python

import six
from mod_pywebsocket import msgutil


def web_socket_do_extra_handshake(request):
    pass  # Always accept.

def web_socket_transfer_data(request):
    while True:
        line = msgutil.receive_message(request)
        if line == b'exit':
            return
        if line is not None:
            if isinstance(line, six.string_types):
                line = line.encode()
            request.connection.write(line)