/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/broker/zmq_base_proxy.py is in python-oslo.messaging 4.6.1-2ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | # Copyright 2015 Mirantis, Inc.
#
# 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.
import abc
import six
from oslo_messaging._drivers.zmq_driver import zmq_async
@six.add_metaclass(abc.ABCMeta)
class BaseProxy(object):
"""Base TCP-proxy.
TCP-proxy redirects messages received by TCP from clients to servers
over IPC. Consists of TCP-frontend and IPC-backend objects. Runs
in async executor.
"""
def __init__(self, conf, context):
super(BaseProxy, self).__init__()
self.conf = conf
self.context = context
self.executor = zmq_async.get_executor(self.run,
zmq_concurrency='native')
@abc.abstractmethod
def run(self):
"""Main execution point of the proxy"""
def start(self):
self.executor.execute()
def stop(self):
self.executor.stop()
def wait(self):
self.executor.wait()
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