diff --git a/examples/pcap_logging_experiment.py b/examples/pcap_logging_experiment.py new file mode 100644 index 0000000..98f593f --- /dev/null +++ b/examples/pcap_logging_experiment.py @@ -0,0 +1,53 @@ +# -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */ +# +# Copyright (C) 2015-2020, The University of Memphis, +# Arizona Board of Regents, +# Regents of the University of California. +# +# This file is part of Mini-NDN. +# See AUTHORS.md for a complete list of Mini-NDN authors and contributors. +# +# Mini-NDN is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Mini-NDN is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Mini-NDN, e.g., in COPYING.md file. +# If not, see . + +from mininet.log import setLogLevel, info + +from minindn.minindn import Minindn +from minindn.apps.app_manager import AppManager +from minindn.util import MiniNDNCLI +from minindn.apps.nfd import Nfd +from minindn.apps.nlsr import Nlsr +from minindn.apps.tshark import Tshark + +if __name__ == '__main__': + setLogLevel('info') + + Minindn.cleanUp() + Minindn.verifyDependencies() + + ndn = Minindn() + + ndn.start() + + info('Starting tshark logging on nodes\n') + tshark = AppManager(ndn, ndn.net.hosts, Tshark, logFolder="./log/", singleLogFile=False) + + info('Starting NFD on nodes\n') + nfds = AppManager(ndn, ndn.net.hosts, Nfd) + info('Starting NLSR on nodes\n') + nlsrs = AppManager(ndn, ndn.net.hosts, Nlsr) + + MiniNDNCLI(ndn.net) + + ndn.stop() diff --git a/install.sh b/install.sh index ab99329..fb92104 100755 --- a/install.sh +++ b/install.sh @@ -1,7 +1,7 @@ #!/bin/bash # -*- Mode:bash; c-file-style:"gnu"; indent-tabs-mode:nil -*- */ # -# Copyright (C) 2015-2019, The University of Memphis, +# Copyright (C) 2015-2020, The University of Memphis, # Arizona Board of Regents, # Regents of the University of California. # @@ -191,7 +191,7 @@ function infoedit { } function minindn { - $install libigraph0-dev + $install libigraph0-dev tshark sudo pip install -r requirements.txt if [[ updated != true ]]; then diff --git a/minindn/apps/tshark.py b/minindn/apps/tshark.py new file mode 100644 index 0000000..6ff52fb --- /dev/null +++ b/minindn/apps/tshark.py @@ -0,0 +1,60 @@ +# -*- Mode:python; c-file-style:"gnu"; indent-tabs-mode:nil -*- */ +# +# Copyright (C) 2015-2020, The University of Memphis, +# Arizona Board of Regents, +# Regents of the University of California. +# +# This file is part of Mini-NDN. +# See AUTHORS.md for a complete list of Mini-NDN authors and contributors. +# +# Mini-NDN is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Mini-NDN is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with Mini-NDN, e.g., in COPYING.md file. +# If not, see . + +from minindn.apps.application import Application +from mininet.log import debug + + +class Tshark(Application): + """ + Logging utility to dump network traffic of a node to a PCAP file. + + The app is based on the command line tool tshark and requires tshark to be installed on the system. + """ + + def __init__(self, node, logFolder="./", singleLogFile=False): + """ + :param logFolder Folder, where PCAP files are stored. + :param singleLogFile Single PCAP file per node, or individual PCAP for each interface + """ + + Application.__init__(self, node) + + self.logFolder = logFolder + self.singleLogFile = singleLogFile + + # Create logfile folder in case it does not exist + node.cmd('mkdir -p {}'.format(self.logFolder)) + + def start(self): + # Start capturing traffic with Tshark. + debug("[{0}] Starting tshark logging\n".format(self.node.name)) + + if self.singleLogFile: + interfaces = ["-i " + intf for intf in self.node.intfNames()] + ndnDumpOutputFile = "{}/{}-interfaces.pcap".format(self.logFolder, self.node.name) + self.node.cmd("tshark {} -w {} -q &".format(" ".join(interfaces), ndnDumpOutputFile)) + else: + for intf in self.node.intfNames(): + ndnDumpOutputFile = "{}/{}.pcap".format(self.logFolder, intf) + self.node.cmd("tshark -i {} -w {} -q &".format(intf, ndnDumpOutputFile))