92 lines
3.3 KiB
Python
92 lines
3.3 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 logging
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from oslo_messaging._drivers.zmq_driver.client.publishers\
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import zmq_publisher_base
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from oslo_messaging._drivers.zmq_driver import zmq_async
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from oslo_messaging._drivers.zmq_driver import zmq_names
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LOG = logging.getLogger(__name__)
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zmq = zmq_async.import_zmq()
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class DealerPublisher(zmq_publisher_base.QueuedSender):
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def __init__(self, conf, matchmaker):
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def _send_message_data(socket, request):
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socket.send(b'', zmq.SNDMORE)
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socket.send_pyobj(request.create_envelope(), zmq.SNDMORE)
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socket.send_pyobj(request)
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LOG.debug("Sent message_id %(message)s to a target %(target)s",
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{"message": request.message_id,
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"target": request.target})
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def _do_send_request(socket, request):
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if request.msg_type in zmq_names.MULTISEND_TYPES:
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for _ in range(socket.connections_count()):
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_send_message_data(socket, request)
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else:
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_send_message_data(socket, request)
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sockets_manager = zmq_publisher_base.SocketsManager(
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conf, matchmaker, zmq.ROUTER, zmq.DEALER)
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super(DealerPublisher, self).__init__(sockets_manager,
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_do_send_request)
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def send_request(self, request):
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if request.msg_type == zmq_names.CALL_TYPE:
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raise zmq_publisher_base.UnsupportedSendPattern(request.msg_type)
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super(DealerPublisher, self).send_request(request)
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class DealerPublisherLight(zmq_publisher_base.QueuedSender):
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"""Used when publishing to proxy. """
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def __init__(self, conf, matchmaker):
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def _do_send_request(socket, request):
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if request.msg_type == zmq_names.CALL_TYPE:
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raise zmq_publisher_base.UnsupportedSendPattern(
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request.msg_type)
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envelope = request.create_envelope()
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socket.send(b'', zmq.SNDMORE)
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socket.send_pyobj(envelope, zmq.SNDMORE)
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socket.send_pyobj(request)
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LOG.debug("->[proxy:%(addr)s] Sending message_id %(message)s to "
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"a target %(target)s",
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{"message": request.message_id,
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"target": request.target,
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"addr": list(socket.connections)})
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sockets_manager = zmq_publisher_base.SocketsManager(
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conf, matchmaker, zmq.ROUTER, zmq.DEALER)
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super(DealerPublisherLight, self).__init__(
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sockets_manager, _do_send_request)
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self.socket = self.outbound_sockets.get_socket_to_publishers()
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def _connect_socket(self, target):
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return self.socket
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def cleanup(self):
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self.socket.close()
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super(DealerPublisherLight, self).cleanup()
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