/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/zmq_driver/server/consumers/zmq_pull_consumer.py is in python-oslo.messaging 4.6.1-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | # 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.
import logging
from oslo_messaging._drivers import base
from oslo_messaging._drivers.zmq_driver.server.consumers\
import zmq_consumer_base
from oslo_messaging._drivers.zmq_driver import zmq_address
from oslo_messaging._drivers.zmq_driver import zmq_async
from oslo_messaging._drivers.zmq_driver import zmq_names
from oslo_messaging._i18n import _LE, _LI
LOG = logging.getLogger(__name__)
zmq = zmq_async.import_zmq()
class PullIncomingMessage(base.RpcIncomingMessage):
def __init__(self, context, message):
super(PullIncomingMessage, self).__init__(context, message)
def reply(self, reply=None, failure=None, log_failure=True):
"""Reply is not needed for non-call messages."""
def acknowledge(self):
"""Acknowledgments are not supported by this type of consumer."""
def requeue(self):
"""Requeueing is not supported."""
class PullConsumer(zmq_consumer_base.SingleSocketConsumer):
def __init__(self, conf, poller, server):
super(PullConsumer, self).__init__(conf, poller, server, zmq.PULL)
self.matchmaker = server.matchmaker
self.host = zmq_address.combine_address(self.conf.rpc_zmq_host,
self.port)
self.targets = zmq_consumer_base.TargetsManager(
conf, self.matchmaker, self.host, zmq.PULL)
LOG.info(_LI("[%s] Run PULL consumer"), self.host)
def listen(self, target):
LOG.info(_LI("Listen to target %s"), str(target))
self.targets.listen(target)
def cleanup(self):
super(PullConsumer, self).cleanup()
self.targets.cleanup()
def receive_message(self, socket):
try:
request = socket.recv_pyobj()
msg_type = request.msg_type
assert msg_type is not None, 'Bad format: msg type expected'
context = request.context
message = request.message
LOG.debug("[%(host)s] Received %(type)s, %(id)s, %(target)s",
{"host": self.host,
"type": request.msg_type,
"id": request.message_id,
"target": request.target})
if msg_type in (zmq_names.CAST_TYPES + zmq_names.NOTIFY_TYPES):
return PullIncomingMessage(context, message)
else:
LOG.error(_LE("Unknown message type: %s"), msg_type)
except zmq.ZMQError as e:
LOG.error(_LE("Receiving message failed: %s"), str(e))
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