57 lines
1.8 KiB
Python
57 lines
1.8 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 abc
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import six
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from oslo_messaging._drivers import common as rpc_common
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from oslo_messaging._drivers.zmq_driver import zmq_async
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from oslo_messaging._i18n import _LE
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zmq = zmq_async.import_zmq()
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class UnsupportedSendPattern(rpc_common.RPCException):
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def __init__(self, pattern_name):
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errmsg = _LE("Sending pattern %s is unsupported.") % pattern_name
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super(UnsupportedSendPattern, self).__init__(errmsg)
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@six.add_metaclass(abc.ABCMeta)
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class PublisherBase(object):
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def __init__(self, conf, matchmaker):
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self.conf = conf
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self.zmq_context = zmq.Context()
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self.matchmaker = matchmaker
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self.outbound_sockets = {}
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super(PublisherBase, self).__init__()
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@abc.abstractmethod
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def send_request(self, request):
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"""Send request to consumer"""
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def _send_request(self, socket, request):
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socket.send_string(request.msg_type, zmq.SNDMORE)
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socket.send_json(request.context, zmq.SNDMORE)
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socket.send_json(request.message)
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def cleanup(self):
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for socket, hosts in self.outbound_sockets.values():
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socket.setsockopt(zmq.LINGER, 0)
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socket.close()
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