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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (c) 2017 Cisco and/or its affiliates.
#
# 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.
#
from netmodel.model.type import String
from vicn.core.attribute import Attribute, Multiplicity
from vicn.core.resource import Resource, EmptyResource
from vicn.core.task import EmptyTask, inherit_parent
from vicn.resource.icn.icn_application import ICN_SUITE_CCNX_1_0
from vicn.resource.node import Node
from vicn.resource.icn.ccnx_consumer_producer_test import CcnxConsumerTest
from vicn.resource.icn.ccnx_consumer_producer_test import CcnxProducerTest
class CcnxSimpleTrafficGenerator(Resource):
prefix = Attribute(String,
description = "Routable prefix for the applications",
default = lambda self: self.default_name(),
mandatory = False)
consumers = Attribute(Node,
multiplicity = Multiplicity.OneToMany)
producers = Attribute(Node,
multiplicity = Multiplicity.OneToMany)
#--------------------------------------------------------------------------
# Constructor and Accessors
#--------------------------------------------------------------------------
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._sr = None
#--------------------------------------------------------------------------
# Resource lifecycle
#--------------------------------------------------------------------------
@inherit_parent
def __subresources__(self):
"""
Create the list of consumers and producers.
For each of them, assign a different namespace under the same prefix.
"""
sr = EmptyResource()
for producer in self.producers:
producer = CcnxProducerTest(node = producer,
owner = self,
prefixes = [self.prefix])
sr = sr | producer
for consumer in self.consumers:
full_prefix = self.prefix
consumer = CcnxConsumerTest(node = consumer,
owner = self,
prefixes = [full_prefix])
sr = sr | consumer
self._sr = sr
return sr
#--------------------------------------------------------------------------
# Methods
#--------------------------------------------------------------------------
def __method_start__(self):
if self._sr is None:
return
tasks = EmptyTask()
for sr in self._sr:
sr_task = sr.__method_start__()
tasks = tasks | sr_task
return tasks
def __method_stop__(self):
if self._sr is None:
return
tasks = EmptyTask()
for sr in self._sr:
sr_task = sr.__method_stop__()
tasks = tasks | sr_task
return tasks
#--------------------------------------------------------------------------
# Internal methods
#--------------------------------------------------------------------------
def default_name(self):
return ['/ccnxtest']
def _def_protocol_suite(self):
return ICN_SUITE_CCNX_1_0
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