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1.3 KiB
Python

"""ZAP Authenticator integrated with the tornado IOLoop.
.. versionadded:: 14.1
"""
# Copyright (C) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.
from typing import Any, Optional
from tornado import ioloop
import zmq
from zmq.eventloop import zmqstream
from .base import Authenticator
class IOLoopAuthenticator(Authenticator):
"""ZAP authentication for use in the tornado IOLoop"""
zap_stream: zmqstream.ZMQStream
io_loop: ioloop.IOLoop
def __init__(
self,
context: Optional["zmq.Context"] = None,
encoding: str = 'utf-8',
log: Any = None,
io_loop: Optional[ioloop.IOLoop] = None,
):
super().__init__(context, encoding, log)
self.zap_stream = None # type: ignore
self.io_loop = io_loop or ioloop.IOLoop.current()
def start(self) -> None:
"""Start ZAP authentication"""
super().start()
self.zap_stream = zmqstream.ZMQStream(self.zap_socket, self.io_loop)
self.zap_stream.on_recv(self.handle_zap_message)
def stop(self):
"""Stop ZAP authentication"""
if self.zap_stream:
self.zap_stream.close()
self.zap_stream = None
super().stop()
__all__ = ['IOLoopAuthenticator']