oslo.messaging/oslo_messaging/_drivers/zmq_driver/rpc/server/zmq_server.py

57 lines
2.0 KiB
Python

# 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 logging
from oslo_messaging._drivers import base
from oslo_messaging._drivers.zmq_driver.rpc.server import zmq_call_responder
from oslo_messaging._drivers.zmq_driver.rpc.server import zmq_fanout_consumer
from oslo_messaging._drivers.zmq_driver import zmq_async
LOG = logging.getLogger(__name__)
zmq = zmq_async.import_zmq()
class ZmqServer(base.Listener):
def __init__(self, conf, matchmaker=None):
LOG.info("[Server] __init__")
self.conf = conf
self.context = zmq.Context()
self.poller = zmq_async.get_reply_poller()
self.call_resp = zmq_call_responder.CallResponder(self, conf,
self.poller,
self.context)
self.fanout_resp = zmq_fanout_consumer.FanoutConsumer(self, conf,
self.poller,
self.context)
def poll(self, timeout=None):
incoming = self.poller.poll(timeout or self.conf.rpc_poll_timeout)
return incoming[0]
def stop(self):
LOG.info("[Server] Stop")
def cleanup(self):
pass
def listen(self, target):
LOG.info("[Server] Listen to Target %s" % target)
if target.fanout:
self.fanout_resp.listen(target)
else:
self.call_resp.listen(target)