80 lines
3.4 KiB
Python
80 lines
3.4 KiB
Python
# Copyright 2015 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import contextlib
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from oslo_messaging._drivers.zmq_driver.client.publishers\
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import zmq_dealer_publisher
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from oslo_messaging._drivers.zmq_driver.client.publishers\
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import zmq_req_publisher
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from oslo_messaging._drivers.zmq_driver.client import zmq_request
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from oslo_messaging._drivers.zmq_driver import zmq_address
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from oslo_messaging._drivers.zmq_driver import zmq_async
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zmq = zmq_async.import_zmq()
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class ZmqClient(object):
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def __init__(self, conf, matchmaker=None, allowed_remote_exmods=None):
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self.conf = conf
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self.context = zmq.Context()
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self.matchmaker = matchmaker
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self.allowed_remote_exmods = allowed_remote_exmods or []
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self.dealer_publisher = None
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if self.conf.zmq_use_broker:
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self.dealer_publisher = zmq_dealer_publisher.DealerPublisherLight(
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conf, zmq_address.get_broker_address(self.conf))
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else:
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self.dealer_publisher = zmq_dealer_publisher.DealerPublisher(
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conf, matchmaker)
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def send_call(self, target, context, message, timeout=None, retry=None):
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with contextlib.closing(zmq_request.CallRequest(
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target, context=context, message=message,
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timeout=timeout, retry=retry,
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allowed_remote_exmods=self.allowed_remote_exmods)) as request:
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with contextlib.closing(zmq_req_publisher.ReqPublisher(
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self.conf, self.matchmaker)) as req_publisher:
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return req_publisher.send_request(request)
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def send_cast(self, target, context, message, timeout=None, retry=None):
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with contextlib.closing(zmq_request.CastRequest(
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target, context=context, message=message,
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timeout=timeout, retry=retry)) as request:
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self.dealer_publisher.send_request(request)
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def send_fanout(self, target, context, message, timeout=None, retry=None):
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with contextlib.closing(zmq_request.FanoutRequest(
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target, context=context, message=message,
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timeout=timeout, retry=retry)) as request:
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self.dealer_publisher.send_request(request)
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def send_notify(self, target, context, message, version, retry=None):
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with contextlib.closing(zmq_request.NotificationRequest(
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target, context, message, version=version,
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retry=retry)) as request:
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self.dealer_publisher.send_request(request)
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def send_notify_fanout(self, target, context, message, version,
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retry=None):
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with contextlib.closing(zmq_request.NotificationFanoutRequest(
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target, context, message, version=version,
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retry=retry)) as request:
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self.dealer_publisher.send_request(request)
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def cleanup(self):
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self.dealer_publisher.cleanup()
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