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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 Integer, String, Bool
from vicn.core.attribute import Attribute, Multiplicity
from vicn.core.requirement import Requirement
from vicn.core.task import BashTask
from vicn.resource.icn.icn_application import ICNApplication
from vicn.resource.icn.icn_application import ICN_SUITE_CCNX_1_0
from vicn.resource.icn.producer import Producer
from vicn.resource.icn.consumer import Consumer
from vicn.resource.node import Node
DEFAULT_PING_PAYLOAD_SIZE = 64
DEFAULT_PING_COUNT = 100
class IPing(ICNApplication):
"""
Resource: IPingClient
"""
__package_names__ = ["libicnet"]
prefixes = Attribute(String,
description = "name served by the ping server",
default = lambda self: self.default_name(),
mandatory = False,
multiplicity = Multiplicity.OneToMany)
node = Attribute(Node,
requirements=[
Requirement("forwarder",
capabilities = set(['ICN_SUITE_CCNX_1_0']),
properties = {"protocol_suites" : ICN_SUITE_CCNX_1_0})
])
#--------------------------------------------------------------------------
# Methods
#--------------------------------------------------------------------------
def __method_start__(self):
return self._build_command()
#--------------------------------------------------------------------------
# Internal methods
#--------------------------------------------------------------------------
def default_name(self):
return ['/iping']
def _def_protocol_suite(self):
return ICN_SUITE_CCNX_1_0
#------------------------------------------------------------------------------
class IPingClient(IPing, Producer):
"""
Resource: IPingClient
"""
flood = Attribute(Bool, description = 'enable flood mode',
default = False)
count = Attribute(Integer, description = 'number of ping to send')
interval = Attribute(Integer,
description = 'interval between interests in ping mode')
size = Attribute(Integer, description = 'size of the interests')
#--------------------------------------------------------------------------
# Internal methods
#--------------------------------------------------------------------------
def _build_command(self):
template = ["iPing_Client", "-l ccnx:{prefix}"]
params={'prefix' : self.prefixes[0]}
if self.flood:
template.append("-f")
else:
template.append("-p") #Ping mode
if self.count:
template.append("-c {count}")
params["count"] = self.count
if self.size:
template.append("-s {size}")
params['size'] = self.size
if self.interval:
template.append("-i {interval}")
params['interval'] = self.interval
return BashTask(self.node, ' '.join(template), parameters=params)
#------------------------------------------------------------------------------
class IPingServer(IPing, Consumer):
size = Attribute(Integer, description = "size of the payload")
#--------------------------------------------------------------------------
# Internal methods
#--------------------------------------------------------------------------
def _build_command(self):
template = ["iPing_Server", "-l ccnx:{prefix}"]
params={'prefix' : self.prefixes[0]}
if self.size:
template.append("-s {size}")
params['size'] = self.size
return BashTask(self.node, ' '.join(template), parameters=params)
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