190 lines
6.2 KiB
Python
190 lines
6.2 KiB
Python
# -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
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#
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# Copyright (C) 2015 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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#
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# This file incorporates work covered by the following copyright and
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# permission notice:
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#
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# Mininet 2.2.1 License
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#
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# Copyright (c) 2013-2015 Open Networking Laboratory
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# Copyright (c) 2009-2012 Bob Lantz and The Board of Trustees of
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# The Leland Stanford Junior University
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#
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# Original authors: Bob Lantz and Brandon Heller
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#
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# We are making Mininet available for public use and benefit with the
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# expectation that others will use, modify and enhance the Software and
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# contribute those enhancements back to the community. However, since we
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# would like to make the Software available for broadest use, with as few
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# restrictions as possible permission is hereby granted, free of charge, to
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# any person obtaining a copy of this Software to deal in the Software
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# under the copyrights without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# The name and trademarks of copyright holder(s) may NOT be used in
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# advertising or publicity pertaining to the Software or any derivatives
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# without specific, written prior permission.
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import ConfigParser, re
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import shlex
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class confNDNHost():
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def __init__(self, name, app='', params='', cpu=None, cores=None, cache=None):
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self.name = name
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self.app = app
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self.uri_tuples = params
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self.params = params
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self.cpu = cpu
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self.cores = cores
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self.cache = cache
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# For now assume leftovers are NLSR configuration parameters
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self.nlsrParameters = params
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def __repr__(self):
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return 'Name: ' + self.name + \
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' App: ' + self.app + \
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' URIS: ' + str(self.uri_tuples) + \
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' CPU: ' + str(self.cpu) + \
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' Cores: ' + str(self.cores) + \
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' Cache: ' + str(self.cache) + \
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' Radius: ' + str(self.radius) + \
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' Angle: ' + str(self.angle) + \
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' NLSR Parameters: ' + self.nlsrParameters
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class confNDNLink():
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def __init__(self,h1,h2,linkDict=None):
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self.h1 = h1
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self.h2 = h2
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self.linkDict = linkDict
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def __repr__(self):
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return 'h1: ' + self.h1 + ' h2: ' + self.h2 + ' params: ' + str(self.linkDict)
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def parse_hosts(conf_arq):
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'Parse hosts section from the conf file.'
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config = ConfigParser.RawConfigParser()
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config.read(conf_arq)
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hosts = []
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items = config.items('nodes')
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#makes a first-pass read to hosts section to find empty host sections
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for item in items:
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name = item[0]
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rest = item[1].split()
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if len(rest) == 0:
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config.set('nodes', name, '_')
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#updates 'items' list
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items = config.items('nodes')
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#makes a second-pass read to hosts section to properly add hosts
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for item in items:
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name = item[0]
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rest = shlex.split(item[1])
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uris = rest
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params = {}
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cpu = None
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cores = None
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cache = None
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for uri in uris:
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if re.match("cpu",uri):
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cpu = float(uri.split('=')[1])
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elif re.match("cores",uri):
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cores = uri.split('=')[1]
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elif re.match("cache",uri):
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cache = uri.split('=')[1]
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elif re.match("mem",uri):
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mem = uri.split('=')[1]
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elif re.match("app",uri):
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app = uri.split('=')[1]
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elif re.match("_", uri):
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app = ""
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else:
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params[uri.split('=')[0]] = uri.split('=')[1]
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hosts.append(confNDNHost(name, app, params, cpu, cores, cache))
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return hosts
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def parse_links(conf_arq):
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'Parse links section from the conf file.'
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arq = open(conf_arq,'r')
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links = []
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while True:
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line = arq.readline()
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if line == '[links]\n':
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break
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while True:
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line = arq.readline()
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if line == '':
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break
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args = line.split()
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#checks for non-empty line
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if len(args) == 0:
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continue
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h1, h2 = args.pop(0).split(':')
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link_dict = {}
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for arg in args:
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arg_name, arg_value = arg.split('=')
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key = arg_name
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value = arg_value
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if key in ['bw','jitter','max_queue_size']:
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value = int(value)
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if key in ['loss']:
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value = float(value)
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link_dict[key] = value
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links.append(confNDNLink(h1,h2,link_dict))
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return links
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