tobiko/tobiko/actor/_request.py
Federico Ressi 2de97f4826 Implement base actor class
Change-Id: I0861957f7c8c4e4ea1153dac4f44fbb2e0f1c6dc
2021-03-18 18:26:30 +00:00

51 lines
1.6 KiB
Python

# Copyright (c) 2021 Red Hat, Inc.
#
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from __future__ import absolute_import
import asyncio
import typing
class ActorRequest(typing.NamedTuple):
future: asyncio.Future
method: str
arguments: typing.Dict[str, typing.Any]
class ActorRequestQueue(object):
def __init__(self, loop: asyncio.AbstractEventLoop, max_size=0):
self._queue: asyncio.Queue = asyncio.Queue(maxsize=max_size)
self._loop = loop
def send_request(self,
method: str,
arguments: typing.Dict[str, typing.Any]):
future = self._loop.create_future()
request = ActorRequest(future=future,
method=method,
arguments=arguments)
self._queue.put_nowait(request)
return future
async def receive_request(self):
return await self._queue.get()
def create_request_queue(loop: asyncio.AbstractEventLoop, max_size=0) \
-> ActorRequestQueue:
return ActorRequestQueue(loop=loop, max_size=max_size)