--- /dev/null
+"""
+ NEPI, a framework to manage network experiments
+ Copyright (C) 2013 INRIA
+
+ This program 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.
+
+ This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+
+ Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+ Julien Tribino <julien.tribino@inria.fr>
+
+ Example :
+ - Testbed : Nitos
+ - Explanation :
+
+ CCN topology:
+
+ h2
+ 0
+ content l1 / \ l2 ccncat
+ b1 /l5 \ b2
+ 0 ----- h1 0 --- 0 h3 ------ 0
+ \ /
+ l4 \ / l3
+ 0
+ h4
+
+ - Experiment:
+ * t0 : b2 retrives video published in b1
+ * t1 : l5 goes down after 15 sec
+
+"""
+
+#!/usr/bin/env python
+from nepi.execution.resource import ResourceFactory, ResourceAction, ResourceState
+from nepi.execution.ec import ExperimentController
+
+from optparse import OptionParser, SUPPRESS_HELP
+
+### Define OMF Method to simplify definition of resources ###
+def add_node(ec, hostname, xmppServer, xmppUser, xmppPort = "5222", xmppPassword = "1234"):
+ node = ec.register_resource("OMFNode")
+ ec.set(node, 'hostname', hostname)
+ ec.set(node, 'xmppServer', xmppServer)
+ ec.set(node, 'xmppUser', xmppUser)
+ ec.set(node, 'xmppPort', xmppPort)
+ ec.set(node, 'xmppPassword', xmppPassword)
+ ec.set(node, 'version', "5")
+ return node
+
+def add_interface(ec, ip, xmppServer, xmppUser, essid = "ccn", name = "wlan0", mode = "adhoc",
+ typ = "g", xmppPort = "5222", xmppPassword = "1234"):
+ iface = ec.register_resource("OMFWifiInterface")
+ ec.set(iface, 'name', name)
+ ec.set(iface, 'mode', mode)
+ ec.set(iface, 'hw_mode', typ)
+ ec.set(iface, 'essid', essid)
+ ec.set(iface, 'ip', ip)
+ ec.set(iface, 'version', "5")
+ return iface
+
+def add_channel(ec, channel, xmppServer, xmppUser, xmppPort = "5222", xmppPassword = "1234"):
+ chan = ec.register_resource("OMFChannel")
+ ec.set(chan, 'channel', channel)
+ ec.set(chan, 'xmppServer', xmppServer)
+ ec.set(chan, 'xmppUser', xmppUser)
+ ec.set(chan, 'xmppPort', xmppPort)
+ ec.set(chan, 'xmppPassword', xmppPassword)
+ ec.set(chan, 'version', "5")
+ return chan
+
+def add_app(ec, host, appid, command, env, xmppServer, xmppUser,
+ xmppPort = "5222", xmppPassword = "1234"):
+ app = ec.register_resource("OMFApplication")
+ ec.set(app, 'appid', appid)
+ ec.set(app, 'command', command)
+ ec.set(app, 'env', env)
+ ec.set(app, 'version', "5")
+ ec.register_connection(app, host)
+ return app
+
+
+### Define a CCND application ###
+def add_ccnd(ec, host, peers, xmppServer, xmppUser, xmppPort = "5222", xmppPassword = "1234"):
+ env = 'PATH=$PATH:/root/ccnx-0.7.2/bin HOME=/root \
+CCNR_DIRECTORY="/root" CCNR_STATUS_PORT="8080"'
+
+ # BASH command -> ' ccndstart ; ccndc add ccnx:/ udp host ; ccnr '
+ command = "ccndc add ccnx:/ udp " + peers
+ app = add_app(ec, host, "#ccnd", command, env, xmppServer, xmppUser,
+ xmppPort = xmppPort, xmppPassword = xmppPassword)
+ return app
+
+### Define a CCN SeqWriter application ###
+def add_publish(ec, host, movie, xmppServer, xmppUser, xmppPort = "5222", xmppPassword = "1234"):
+ env = 'PATH=$PATH:/root/ccnx-0.7.2/bin HOME=/root CCNR_DIRECTORY="/root" CCNR_STATUS_PORT="8080"'
+
+ # BASH command -> 'ccnseqwriter -r ccnx:/VIDEO < movie'
+ command = "ccnseqwriter -r ccnx:/VIDEO"
+ command += " < " + movie
+
+ app = add_app(ec, host, "#ccn_write", command, env, xmppServer, xmppUser,
+ xmppPort = xmppPort, xmppPassword = xmppPassword)
+ return app
+
+### Define a streaming application ###
+def add_stream(ec, host, xmppServer, xmppUser, xmppPort = "5222", xmppPassword = "1234"):
+ env = 'PATH=$PATH:/root/ccnx-0.7.2/bin HOME=/root CCNR_DIRECTORY="/root" CCNR_STATUS_PORT="8080"'
+ command = " ddbus-uuidgen --ensure ; ( /root/ccnx-0.7.2/bin/ccncat ccnx:/VIDEO | /root/vlc-1.1.13/cvlc - ) "
+ app = add_app(ec, host, "#ccn_stream", command, env, xmppServer, xmppUser,
+ xmppPort = xmppPort, xmppPassword = xmppPassword)
+ return app
+
+### Many options to easily addapt the script ####
+def get_options():
+ usage = "usage: %prog -c <channel> -s <xmpp_slice> -x <xmpp_host> -m <movie>"
+
+ parser = OptionParser(usage=usage)
+ parser.add_option("-c", "--channel", dest="channel",
+ help="Channel of the communication", type="str")
+ parser.add_option("-s", "--xmpp-slice", dest="xmpp_slice",
+ help="Name of the slice XMPP", type="str")
+ parser.add_option("-x", "--xmpp-host", dest="xmpp_host",
+ help="Name of the host XMPP", type="str")
+ parser.add_option("-m", "--movie", dest="movie",
+ help="Stream movie", type="str")
+ #parser.add_option("-e", "--exp-id", dest="exp_id",
+ # help="Label to identify experiment", type="str")
+
+ (options, args) = parser.parse_args()
+
+ if not options.movie:
+ parser.error("movie is a required argument")
+
+ return (options.channel, options.xmpp_slice,
+ options.xmpp_host ,options.movie)
+
+### Script itself ###
+if __name__ == '__main__':
+ (channel, xmpp_slice, xmpp_host, movie) = get_options()
+
+ env = 'PATH=$PATH:/root/ccnx-0.7.2/bin HOME=/root CCNR_DIRECTORY="/root" CCNR_STATUS_PORT="8080"'
+
+# Create the EC
+ ec = ExperimentController()
+
+# Create the topology
+ host1 = "omf.nitos.node022"
+ host2 = "omf.nitos.node028"
+ host3 = "omf.nitos.node024"
+ host4 = "omf.nitos.node025"
+ host5 = "omf.nitos.node026" # b1
+ host6 = "omf.nitos.node027" # b2
+
+ ip1 = "192.168.0.22/24"
+ ip2 = "192.168.0.28/24"
+ ip3 = "192.168.0.24/24"
+ ip4 = "192.168.0.25/24"
+ ip5 = "192.168.0.26/24"
+ ip6 = "192.168.0.27/24"
+
+ all_hosts = [host1, host2, host3, host4, host5, host6]
+ all_ip = [ip1, ip2, ip3, ip4, ip5, ip6]
+
+ ring_hosts = [host1, host2, host3, host4]
+ nodes = dict()
+
+ chann = add_channel(ec, channel, xmpp_slice, xmpp_host)
+ for i in xrange(len(all_hosts)):
+ node = add_node(ec,all_hosts[i], xmpp_slice, xmpp_host)
+ iface = add_interface(ec, all_ip[i], xmpp_slice, xmpp_host)
+ ec.register_connection(node, iface)
+ ec.register_connection(iface, chann)
+ nodes[all_hosts[i]] = node
+
+# CCN setup for the node
+ ccnds = dict()
+ ccnrs = dict()
+ for i in xrange(len(all_hosts)):
+ ccndstart = add_app(ec, nodes[all_hosts[i]], "#ccndstart", "ccndstart &",
+ env, xmpp_slice, xmpp_host)
+ ccnr = add_app(ec, nodes[all_hosts[i]], "#ccnr", "ccnr &",
+ env, xmpp_slice, xmpp_host)
+ ccnds[all_hosts[i]] = ccndstart
+ ccnrs[all_hosts[i]] = ccnr
+ ec.register_condition(ccnr, ResourceAction.START, ccndstart, ResourceState.STARTED, "1s")
+
+# CCNDC setup
+ # l1 : h1 - h2 , h2 - h1
+ l1u = add_ccnd(ec, nodes[host1], ip2, xmpp_slice, xmpp_host)
+ l1d = add_ccnd(ec, nodes[host2], ip1, xmpp_slice, xmpp_host)
+
+ # l2 : h2 - h3 , h3 - h2
+ l2u = add_ccnd(ec, nodes[host2], ip3, xmpp_slice, xmpp_host)
+ l2d = add_ccnd(ec, nodes[host3], ip2, xmpp_slice, xmpp_host)
+
+ # l3 : h3 - h4 , h4 - h3
+ l3u = add_ccnd(ec, nodes[host3], ip4, xmpp_slice, xmpp_host)
+ l3d = add_ccnd(ec, nodes[host4], ip3, xmpp_slice, xmpp_host)
+
+ # l4 : h4 - h1 , h1 - h4
+ l4u = add_ccnd(ec, nodes[host4], ip1, xmpp_slice, xmpp_host)
+ l4d = add_ccnd(ec, nodes[host1], ip4, xmpp_slice, xmpp_host)
+
+ # l5 : h1 - h3 , h3 - h1
+ l5u = add_ccnd(ec, nodes[host1], ip3, xmpp_slice, xmpp_host)
+ l5d = add_ccnd(ec, nodes[host3], ip1, xmpp_slice, xmpp_host)
+
+ # connect border nodes
+ b1u = add_ccnd(ec, nodes[host5], ip1, xmpp_slice, xmpp_host)
+ b1d = add_ccnd(ec, nodes[host1], ip5, xmpp_slice, xmpp_host)
+
+ b2u = add_ccnd(ec, nodes[host6], ip3, xmpp_slice, xmpp_host)
+ b2d = add_ccnd(ec, nodes[host3], ip6, xmpp_slice, xmpp_host)
+
+ link = [l1u, l1d, l2u, l2d, l3u, l3d, l4u, l4d, l5u, l5d, b1u, b1d, b2u, b2d]
+
+# List of condition
+ for i in xrange(len(all_hosts)):
+ ec.register_condition(ccnrs[all_hosts[i]], ResourceAction.START, ccnds[all_hosts[i]], ResourceState.STARTED, "1s")
+ ec.register_condition(link, ResourceAction.START, ccnrs[all_hosts[i]], ResourceState.STARTED, "1s")
+
+# Streaming Server
+ pub = add_publish(ec, nodes[host5], movie, xmpp_slice, xmpp_host)
+
+# Streaming client
+ stream = add_stream(ec, nodes[host6], xmpp_slice, xmpp_host)
+
+# Streaming conditions
+ ec.register_condition(pub, ResourceAction.START, link, ResourceState.STARTED, "2s")
+ ec.register_condition(stream, ResourceAction.START, link, ResourceState.STARTED, "2s")
+ ec.register_condition(stream, ResourceAction.START, pub, ResourceState.STARTED, "2s")
+
+# break the lin
+ ccndcstop1 = add_app(ec,nodes[host1], "#ccndc", "ccndc del ccnx:/ udp " + ip3, env, xmpp_slice, xmpp_host)
+ ccndcstop2 = add_app(ec,nodes[host3], "#ccndc", "ccndc del ccnx:/ udp " + ip1, env, xmpp_slice, xmpp_host)
+
+
+# Change the behaviour
+ ec.register_condition(l5u, ResourceAction.STOP, stream, ResourceState.STARTED, "10s")
+ ec.register_condition(l5d, ResourceAction.STOP, stream, ResourceState.STARTED, "10s")
+
+ ec.register_condition(ccndcstop1, ResourceAction.START, stream, ResourceState.STARTED, "10s")
+ ec.register_condition(ccndcstop2, ResourceAction.START, stream, ResourceState.STARTED, "10s")
+
+# Cleaning when the experiment stop
+ ccndstops = []
+ for i in xrange(len(all_hosts)):
+ ccndstop = add_app(ec, nodes[all_hosts[i]], "#ccndstop", "ccndstop", env, xmpp_slice, xmpp_host)
+ ccndstops.append(ccndstop)
+
+ killall = add_app(ec, nodes[host6], "#kill", "killall sh", "", xmpp_slice, xmpp_host)
+
+# Condition to stop and clean the experiment
+ apps = []
+ for i in xrange(len(all_hosts)):
+ apps.append(ccnds[all_hosts[i]])
+ apps.append(ccnrs[all_hosts[i]])
+ apps += link
+ apps.append(pub)
+ apps.append(stream)
+
+ ec.register_condition(apps, ResourceAction.STOP, stream, ResourceState.STARTED, "30s")
+
+ ec.register_condition(ccndstops + [killall], ResourceAction.START, apps, ResourceState.STOPPED, "1s")
+ ec.register_condition(ccndstops + [killall], ResourceAction.STOP, ccndstops, ResourceState.STARTED, "1s")
+
+# Deploy all ResourceManagers
+ ec.deploy()
+
+# Wait until the applications are finished
+ ec.wait_finished(ccndstops)
+
+# Shutdown the experiment controller
+ ec.shutdown()
+
+
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