eea60cfb36
New DEALER-based publisher provided for CALL. Futures-based reply waiting makes possible to refuse using of REQ blocking socket and also reduce number of openned sockets to a socket-per-target instead of socket-per-message as it was for CALL. Closes-Bug: #1517999 Optimized redis requests - request once instead of per each message. This should be elaborated with an autonomous nodes discovery mechanism to be correct in general case. Closes-Bug: #1517993 Reduced number of INFO log messages. Most of them switched to the DEBUG level. Closes-Bug: #1517997 Change-Id: Id017e79368cdc68613ddd7adef26411ea422dc8c
65 lines
2.5 KiB
Python
65 lines
2.5 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 import base
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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._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 ZmqIncomingRequest(base.IncomingMessage):
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def __init__(self, listener, socket, rep_id, request, poller):
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super(ZmqIncomingRequest, self).__init__(listener, request.context,
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request.message)
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self.reply_socket = socket
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self.reply_id = rep_id
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self.request = request
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self.received = None
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self.poller = poller
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def reply(self, reply=None, failure=None, log_failure=True):
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if failure is not None:
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failure = rpc_common.serialize_remote_exception(failure,
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log_failure)
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message_reply = {zmq_names.FIELD_TYPE: zmq_names.REPLY_TYPE,
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zmq_names.FIELD_REPLY: reply,
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zmq_names.FIELD_FAILURE: failure,
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zmq_names.FIELD_LOG_FAILURE: log_failure,
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zmq_names.FIELD_ID: self.request.proxy_reply_id,
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zmq_names.FIELD_MSG_ID: self.request.message_id}
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LOG.debug("Replying %s", (str(self.request.message_id)))
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self.received = True
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self.reply_socket.send(self.reply_id, zmq.SNDMORE)
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self.reply_socket.send(b'', zmq.SNDMORE)
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if self.request.proxy_reply_id:
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self.reply_socket.send_string(zmq_names.REPLY_TYPE, zmq.SNDMORE)
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self.reply_socket.send(self.request.proxy_reply_id, zmq.SNDMORE)
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self.reply_socket.send(b'', zmq.SNDMORE)
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self.reply_socket.send_pyobj(message_reply)
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self.poller.resume_polling(self.reply_socket)
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def requeue(self):
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"""Requeue is not supported"""
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