86 lines
3.1 KiB
Python
86 lines
3.1 KiB
Python
# -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
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#
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# Copyright (C) 2015-2020, The University of Memphis,
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# Arizona Board of Regents,
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# Regents of the University of California.
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#
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# This file is part of Mini-NDN.
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# See AUTHORS.md for a complete list of Mini-NDN authors and contributors.
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#
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# Mini-NDN is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Mini-NDN is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Mini-NDN, e.g., in COPYING.md file.
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# If not, see <http://www.gnu.org/licenses/>.
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from mininet.log import debug
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from minindn.minindn import Minindn
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SLEEP_TIME = 0.2
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class Nfdc(object):
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STRATEGY_ASF = 'asf'
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STRATEGY_BEST_ROUTE = 'best-route'
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STRATEGY_MULTICAST = 'multicast'
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STRATEGY_NCC = 'ncc'
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PROTOCOL_UDP = 'udp'
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PROTOCOL_TCP = 'tcp'
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PROTOCOL_ETHER = 'ether'
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@staticmethod
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def registerRoute(node, namePrefix, remoteNodeAddress, protocol=PROTOCOL_UDP, origin=255,
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cost=0, inheritFlag=True, captureFlag=False, expirationInMillis=None):
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cmd = ('nfdc route add {} {}://{} origin {} cost {} {}{}{}').format(
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namePrefix,
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protocol,
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remoteNodeAddress,
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origin,
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cost,
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'no-inherit ' if not inheritFlag else '',
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'capture ' if captureFlag else '',
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'expires {}'.format(expirationInMillis) if expirationInMillis else ''
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)
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debug(node.cmd(cmd))
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Minindn.sleep(SLEEP_TIME)
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@staticmethod
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def unregisterRoute(node, namePrefix, remoteNodeAddress, origin=255):
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cmd = 'nfdc route remove {} {} {}'.format(namePrefix, remoteNodeAddress, origin)
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debug(node.cmd(cmd))
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Minindn.sleep(SLEEP_TIME)
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@staticmethod
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def createFace(node, remoteNodeAddress, protocol='udp', isPermanent=False):
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cmd = ('nfdc face create {}://{} {}'.format(
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protocol,
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remoteNodeAddress,
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'permanent' if isPermanent else 'persistent'
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))
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debug(node.cmd(cmd))
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Minindn.sleep(SLEEP_TIME)
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@staticmethod
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def destroyFace(node, remoteNodeAddress, protocol='udp'):
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debug(node.cmd('nfdc face destroy {}://{}'.format(protocol, remoteNodeAddress)))
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Minindn.sleep(SLEEP_TIME)
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@staticmethod
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def setStrategy(node, namePrefix, strategy):
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cmd = 'nfdc strategy set {} ndn:/localhost/nfd/strategy/{}'.format(namePrefix, strategy)
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debug(node.cmd(cmd))
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Minindn.sleep(SLEEP_TIME)
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@staticmethod
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def unsetStrategy(node, namePrefix):
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debug(node.cmd("nfdc strategy unset {}".format(namePrefix)))
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Minindn.sleep(SLEEP_TIME)
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