4cdcf55d64
Story: 2008529 Task: 41923 Signed-off-by: Bin Yang <bin.yang@windriver.com> Change-Id: Icd665ffff700f1d915233ee3630ffd8ec5c5d923
91 lines
2.9 KiB
Python
91 lines
2.9 KiB
Python
#
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# Copyright (c) 2021 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import os
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import json
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import time
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import oslo_messaging
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from oslo_config import cfg
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from locationservicesdk.client.base import BrokerClientBase
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import logging
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LOG = logging.getLogger(__name__)
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from locationservicesdk.common.helpers import log_helper
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log_helper.config_logger(LOG)
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class LocationProducer(BrokerClientBase):
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class ListenerEndpoint(object):
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target = oslo_messaging.Target(namespace='notification', version='1.0')
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def __init__(self, location_info, handler=None):
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self.location_info = location_info
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self.handler = handler
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pass
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def QueryLocation(self, ctx, **rpc_kwargs):
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LOG.debug ("LocationProducer QueryLocation called %s" %rpc_kwargs)
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return self.location_info
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def TriggerAnnouncement(self, ctx, **rpc_kwargs):
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LOG.debug ("LocationProducer TriggerAnnouncement called %s" %rpc_kwargs)
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if self.handler:
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return self.handler.handle(**rpc_kwargs)
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else:
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return False
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def __init__(self, node_name, registrationservice_transport_endpoint):
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self.Id = id(self)
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self.node_name = node_name
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super(LocationProducer, self).__init__(
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'locationproducer', registrationservice_transport_endpoint)
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return
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def __del__(self):
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super(LocationProducer, self).__del__()
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return
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def announce_location(self, LocationInfo):
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location_topic_all='LocationListener-*'
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location_topic='LocationListener-{0}'.format(self.node_name)
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server = None
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while True:
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try:
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self.cast(location_topic_all, 'NotifyLocation', location_info=LocationInfo)
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LOG.debug("Broadcast location info:{0}@Topic:{1}".format(LocationInfo, location_topic))
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except Exception as ex:
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LOG.debug("Failed to publish location due to: {0}".format(str(ex)))
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continue
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else:
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break
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def start_location_listener(self, location_info, handler=None):
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topic='LocationQuery'
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server="LocationService-{0}".format(self.node_name)
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endpoints = [LocationProducer.ListenerEndpoint(location_info, handler)]
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super(LocationProducer, self).add_listener(
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topic, server, endpoints)
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return True
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def stop_location_listener(self):
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topic='LocationQuery'
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server="LocationService-{0}".format(self.node_name)
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super(LocationProducer, self).remove_listener(
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topic, server)
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def is_listening(self):
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topic='LocationQuery'
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server="LocationService-{0}".format(self.node_name)
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return super(LocationProducer, self).is_listening(
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topic, server)
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