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-rw-r--r--yardstick/network_services/vnf_generic/vnf/base.py92
1 files changed, 87 insertions, 5 deletions
diff --git a/yardstick/network_services/vnf_generic/vnf/base.py b/yardstick/network_services/vnf_generic/vnf/base.py
index 9ceac3167..0fb310075 100644
--- a/yardstick/network_services/vnf_generic/vnf/base.py
+++ b/yardstick/network_services/vnf_generic/vnf/base.py
@@ -11,13 +11,16 @@
# 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.
-""" Base class implementation for generic vnf implementation """
import abc
import logging
import six
+from yardstick.common import messaging
+from yardstick.common.messaging import consumer
+from yardstick.common.messaging import payloads
+from yardstick.common.messaging import producer
from yardstick.network_services.helpers.samplevnf_helper import PortPairs
@@ -138,6 +141,70 @@ class VnfdHelper(dict):
yield port_name, port_num
+class TrafficGeneratorProducer(producer.MessagingProducer):
+ """Class implementing the message producer for traffic generators
+
+ This message producer must be instantiated in the process created
+ "run_traffic" process.
+ """
+ def __init__(self, _id):
+ super(TrafficGeneratorProducer, self).__init__(messaging.TOPIC_TG,
+ _id=_id)
+
+ def tg_method_started(self, version=1):
+ """Send a message to inform the traffic generation has started"""
+ self.send_message(
+ messaging.TG_METHOD_STARTED,
+ payloads.TrafficGeneratorPayload(version=version, iteration=0,
+ kpi={}))
+
+ def tg_method_finished(self, version=1):
+ """Send a message to inform the traffic generation has finished"""
+ self.send_message(
+ messaging.TG_METHOD_FINISHED,
+ payloads.TrafficGeneratorPayload(version=version, iteration=0,
+ kpi={}))
+
+ def tg_method_iteration(self, iteration, version=1, kpi=None):
+ """Send a message, with KPI, once an iteration has finished"""
+ kpi = {} if kpi is None else kpi
+ self.send_message(
+ messaging.TG_METHOD_ITERATION,
+ payloads.TrafficGeneratorPayload(version=version,
+ iteration=iteration, kpi=kpi))
+
+
+@six.add_metaclass(abc.ABCMeta)
+class GenericVNFEndpoint(consumer.NotificationHandler):
+ """Endpoint class for ``GenericVNFConsumer``"""
+
+ @abc.abstractmethod
+ def runner_method_start_iteration(self, ctxt, **kwargs):
+ """Endpoint when RUNNER_METHOD_START_ITERATION is received
+
+ :param ctxt: (dict) {'id': <Producer ID>}
+ :param kwargs: (dict) ``payloads.RunnerPayload`` context
+ """
+
+ @abc.abstractmethod
+ def runner_method_stop_iteration(self, ctxt, **kwargs):
+ """Endpoint when RUNNER_METHOD_STOP_ITERATION is received
+
+ :param ctxt: (dict) {'id': <Producer ID>}
+ :param kwargs: (dict) ``payloads.RunnerPayload`` context
+ """
+
+
+class GenericVNFConsumer(consumer.MessagingConsumer):
+ """MQ consumer for ``GenericVNF`` derived classes"""
+
+ def __init__(self, ctx_ids, endpoints):
+ if not isinstance(endpoints, list):
+ endpoints = [endpoints]
+ super(GenericVNFConsumer, self).__init__(messaging.TOPIC_RUNNER,
+ ctx_ids, endpoints)
+
+
@six.add_metaclass(abc.ABCMeta)
class GenericVNF(object):
"""Class providing file-like API for generic VNF implementation
@@ -150,8 +217,9 @@ class GenericVNF(object):
UPLINK = PortPairs.UPLINK
DOWNLINK = PortPairs.DOWNLINK
- def __init__(self, name, vnfd):
+ def __init__(self, name, vnfd, task_id):
self.name = name
+ self._task_id = task_id
self.vnfd_helper = VnfdHelper(vnfd)
# List of statistics we can obtain from this VNF
# - ETSI MANO 6.3.1.1 monitoring_parameter
@@ -210,12 +278,13 @@ class GenericVNF(object):
@six.add_metaclass(abc.ABCMeta)
class GenericTrafficGen(GenericVNF):
- """ Class providing file-like API for generic traffic generator """
+ """Class providing file-like API for generic traffic generator"""
- def __init__(self, name, vnfd):
- super(GenericTrafficGen, self).__init__(name, vnfd)
+ def __init__(self, name, vnfd, task_id):
+ super(GenericTrafficGen, self).__init__(name, vnfd, task_id)
self.runs_traffic = True
self.traffic_finished = False
+ self._mq_producer = None
@abc.abstractmethod
def run_traffic(self, traffic_profile):
@@ -286,3 +355,16 @@ class GenericTrafficGen(GenericVNF):
:return: True/False
"""
pass
+
+ @staticmethod
+ def _setup_mq_producer(id):
+ """Setup the TG MQ producer to send messages between processes
+
+ :return: (derived class from ``MessagingProducer``) MQ producer object
+ """
+ return TrafficGeneratorProducer(id)
+
+ def get_mq_producer_id(self):
+ """Return the MQ producer ID if initialized"""
+ if self._mq_producer:
+ return self._mq_producer.id