oslo.messaging/oslo_messaging/_drivers/zmq_driver/client/zmq_client_base.py

79 lines
3.2 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.
from oslo_messaging._drivers.zmq_driver.client import zmq_request
from oslo_messaging._drivers.zmq_driver import zmq_async
from oslo_messaging._drivers.zmq_driver import zmq_names
zmq = zmq_async.import_zmq()
class ZmqClientBase(object):
def __init__(self, conf, matchmaker=None, allowed_remote_exmods=None,
publishers=None):
self.conf = conf
self.matchmaker = matchmaker
self.allowed_remote_exmods = allowed_remote_exmods or []
self.publishers = publishers
self.call_publisher = publishers.get(zmq_names.CALL_TYPE,
publishers["default"])
self.cast_publisher = publishers.get(zmq_names.CAST_TYPE,
publishers["default"])
self.fanout_publisher = publishers.get(zmq_names.CAST_FANOUT_TYPE,
publishers["default"])
self.notify_publisher = publishers.get(zmq_names.NOTIFY_TYPE,
publishers["default"])
@staticmethod
def create_publisher(conf, matchmaker, publisher_cls, ack_manager_cls):
publisher = publisher_cls(conf, matchmaker)
if conf.oslo_messaging_zmq.rpc_use_acks:
publisher = ack_manager_cls(publisher)
return publisher
def send_call(self, target, context, message, timeout=None, retry=None):
request = zmq_request.CallRequest(
target, context=context, message=message, retry=retry,
timeout=timeout, allowed_remote_exmods=self.allowed_remote_exmods
)
return self.call_publisher.send_call(request)
def send_cast(self, target, context, message, retry=None):
request = zmq_request.CastRequest(
target, context=context, message=message, retry=retry
)
self.cast_publisher.send_cast(request)
def send_fanout(self, target, context, message, retry=None):
request = zmq_request.FanoutRequest(
target, context=context, message=message, retry=retry
)
self.fanout_publisher.send_fanout(request)
def send_notify(self, target, context, message, version, retry=None):
request = zmq_request.NotificationRequest(
target, context=context, message=message, retry=retry,
version=version
)
self.notify_publisher.send_notify(request)
def cleanup(self):
cleaned = set()
for publisher in self.publishers.values():
if publisher not in cleaned:
publisher.cleanup()
cleaned.add(publisher)