81 lines
2.2 KiB
Python
81 lines
2.2 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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from oslo_messaging._drivers.zmq_driver import zmq_address
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from oslo_messaging._drivers.zmq_driver import zmq_names
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class Envelope(object):
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def __init__(self, msg_type=None, message_id=None, target=None,
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target_hosts=None, **kwargs):
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self._msg_type = msg_type
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self._message_id = message_id
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self._target = target
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self._target_hosts = target_hosts
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self._reply_id = None
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self._kwargs = kwargs
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@property
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def reply_id(self):
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return self._reply_id
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@reply_id.setter
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def reply_id(self, value):
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self._reply_id = value
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@property
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def msg_type(self):
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return self._msg_type
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@property
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def message_id(self):
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return self._message_id
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@property
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def target(self):
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return self._target
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@property
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def target_hosts(self):
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return self._target_hosts
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@property
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def is_mult_send(self):
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return self._msg_type in zmq_names.MULTISEND_TYPES
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@property
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def topic_filter(self):
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return zmq_address.target_to_subscribe_filter(self._target)
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def has(self, key):
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return key in self._kwargs
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def set(self, key, value):
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self._kwargs[key] = value
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def get(self, key):
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self._kwargs.get(key)
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def to_dict(self):
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envelope = {zmq_names.FIELD_MSG_TYPE: self._msg_type,
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zmq_names.FIELD_MSG_ID: self._message_id,
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zmq_names.FIELD_TARGET: self._target}
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envelope.update({k: v for k, v in self._kwargs.items()
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if v is not None})
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return envelope
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def __str__(self):
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return str(self.to_dict())
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