--- /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:
+
+ content ccncat
+ b1 b2
+ 0 ------------------ 0
+
+ - Experiment:
+ * t0 : b2 retrives video published in b1
+
+"""
+
+#!/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, 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")
+ return app
+
+
+### Define a CCND application ###
+def add_ccnd(ec, peers, xmppServer, xmppUser, xmppPort = "5222", xmppPassword = "1234"):
+ env = 'PATH=$PATH:/root/ccnx-0.7.2/bin HOME=/root \
+CCNR_DIRECTORY="/root" CCNR_STATUS_PORT="8080"'
+
+ # BASH command -> ' ccndstart ; ccndc add ccnx:/ udp host ; ccnr '
+ peers = map(lambda peer: "ccndc add ccnx:/ udp %s" % peer, peers)
+ #command += " ; ".join(peers) + " && "
+ command = peers[0]
+
+ app = add_app(ec, "#ccnd", command, env, xmppServer, xmppUser,
+ xmppPort = xmppPort, xmppPassword = xmppPassword)
+ return app
+
+### Define a CCN SeqWriter application ###
+def add_publish(ec, movie, xmppServer, xmppUser, xmppPort = "5222", xmppPassword = "1234"):
+ env = 'PATH=$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, "#ccn_write", command, env, xmppServer, xmppUser,
+ xmppPort = xmppPort, xmppPassword = xmppPassword)
+ return app
+
+### Define a streaming application ###
+def add_stream(ec, xmppServer, xmppUser, xmppPort = "5222", xmppPassword = "1234"):
+ env = 'PATH=$PATH:/root/ccnx-0.7.2/bin HOME=/root CCNR_DIRECTORY="/root" CCNR_STATUS_PORT="8080"'
+ command = " ddbus-uuidgen --ensure ; ( /root/ccnx-0.7.2/bin/ccncat ccnx:/VIDEO | /root/vlc-1.1.13/cvlc - ) "
+ #command = "ccncat ccnx:/VIDEO | /root/vlc-1.1.13/cvlc - "
+ app = add_app(ec, "#ccn_stream", command, env, xmppServer, xmppUser,
+ xmppPort = xmppPort, xmppPassword = xmppPassword)
+ return app
+
+### Many options to easily addapt the script ####
+def get_options():
+ usage = "usage: %prog -w <sender-node> -r <receiver-node> -s <slice> -m <movie>"
+
+ parser = OptionParser(usage=usage)
+ parser.add_option("-w", "--sender-host", dest="sender_host",
+ help="Hostname of the sender Node", type="str")
+ parser.add_option("-i", "--sender-ip", dest="sender_ip",
+ help="IP of the sender Node", type="str")
+ parser.add_option("-r", "--receiver-host", dest="receiver_host",
+ help="Hostname of the receiver node", type="str")
+ parser.add_option("-p", "--receiver-ip", dest="receiver_ip",
+ help="IP of the receiver node", type="str")
+ parser.add_option("-c", "--channel", dest="channel",
+ help="Channel of the communication", type="str")
+ parser.add_option("-s", "--xmpp-slice", dest="xmpp_slice",
+ help="Name of the slice XMPP", type="str")
+ parser.add_option("-x", "--xmpp-host", dest="xmpp_host",
+ help="Name of the host XMPP", type="str")
+ parser.add_option("-m", "--movie", dest="movie",
+ help="Stream movie", type="str")
+
+ (options, args) = parser.parse_args()
+
+ if not options.movie:
+ parser.error("movie is a required argument")
+
+ return (options.sender_host, options.sender_ip, options.receiver_host, options.receiver_ip, options.channel, options.xmpp_slice,
+ options.xmpp_host ,options.movie)
+
+### Script itself ###
+if __name__ == '__main__':
+ (sender, sender_ip, receiver, receiver_ip, channel, xmpp_slice, xmpp_host, movie) = get_options()
+
+ env = 'PATH=$PATH:/root/ccnx-0.7.2/bin HOME=/root CCNR_DIRECTORY="/root" CCNR_STATUS_PORT="8080"'
+
+# Create the EC
+ ec = ExperimentController()
+
+# Create the topology
+ node1 = add_node(ec,sender, xmpp_slice, xmpp_host)
+ iface1 = add_interface(ec, sender_ip, xmpp_slice, xmpp_host)
+ ec.register_connection(node1, iface1)
+
+ node2 = add_node(ec, receiver, xmpp_slice, xmpp_host)
+ iface2 = add_interface(ec, receiver_ip, xmpp_slice, xmpp_host)
+ ec.register_connection(node2, iface2)
+
+ chann = add_channel(ec, channel, xmpp_slice, xmpp_host)
+ ec.register_connection(iface1, chann)
+ ec.register_connection(iface2, chann)
+
+# CCN setup for the sender
+ ccndstart1 = add_app(ec, "#ccndstart", "ccndstart &", env,xmpp_slice, xmpp_host)
+ ec.register_connection(ccndstart1, node1)
+
+ peers = [receiver_ip]
+ ccnd1 = add_ccnd(ec, peers, xmpp_slice, xmpp_host)
+ ec.register_connection(ccnd1, node1)
+
+ ccnr1 = add_app(ec, "#ccnr", "ccnr &", env, xmpp_slice, xmpp_host)
+ ec.register_connection(ccnr1, node1)
+
+ # Register content producer application (ccnseqwriter)
+ pub = add_publish(ec, movie, xmpp_slice, xmpp_host)
+ ec.register_connection(pub, node1)
+
+ # The movie can only be published after ccnd is running
+ ec.register_condition(ccnd1, ResourceAction.START, ccndstart1, ResourceState.STARTED, "1s")
+ ec.register_condition(ccnr1, ResourceAction.START, ccnd1, ResourceState.STARTED, "1s")
+ ec.register_condition(pub, ResourceAction.START, ccnr1, ResourceState.STARTED, "2s")
+
+# CCN setup for the receiver
+ ccndstart2 = add_app(ec, "#ccndstart", "ccndstart &", env,xmpp_slice, xmpp_host)
+ ec.register_connection(ccndstart2, node2)
+
+ peers = [sender_ip]
+ ccnd2 = add_ccnd(ec, peers, xmpp_slice, xmpp_host)
+ ec.register_connection(ccnd2, node2)
+
+ ccnr2 = add_app(ec, "#ccnr", "ccnr &", env,xmpp_slice, xmpp_host)
+ ec.register_connection(ccnr2, node2)
+
+ # Register consumer application (ccncat)
+ stream = add_stream(ec, xmpp_slice, xmpp_host)
+ ec.register_connection(stream, node2)
+
+ # The stream can only be retrieved after ccnd is running
+ ec.register_condition(ccnd2, ResourceAction.START, ccndstart2, ResourceState.STARTED, "1s")
+ ec.register_condition(ccnr2, ResourceAction.START, ccnd2, ResourceState.STARTED, "1s")
+ ec.register_condition(stream, ResourceAction.START, ccnr2, ResourceState.STARTED, "2s")
+
+# And also, the stream can only be retrieved after it was published
+ ec.register_condition(stream, ResourceAction.START, pub, ResourceState.STARTED, "5s")
+
+
+# Cleaning when the experiment stop
+ ccndstop1 = add_app(ec, "#ccndstop", "ccndstop", env, xmpp_slice, xmpp_host)
+ ec.register_connection(ccndstop1, node1)
+ ccndstop2 = add_app(ec, "#ccndstop", "ccndstop", env, xmpp_slice, xmpp_host)
+ ec.register_connection(ccndstop2, node2)
+ ccndstops = [ccndstop1,ccndstop2]
+
+ killall = add_app(ec, "#kill", "killall sh", "", xmpp_slice, xmpp_host)
+ ec.register_connection(killall, node2)
+
+ apps = [ccndstart1, ccnd1, ccnr1, pub, ccndstart2, ccnd2, ccnr2, stream]
+
+ ec.register_condition(apps, ResourceAction.STOP, stream, ResourceState.STARTED, "20s")
+
+ ec.register_condition(ccndstops, ResourceAction.START, apps, ResourceState.STOPPED, "1s")
+ ec.register_condition(killall, ResourceAction.START, ccndstops, ResourceState.STARTED)
+ ec.register_condition(ccndstops, ResourceAction.STOP, ccndstops, ResourceState.STARTED, "1s")
+ ec.register_condition(killall, ResourceAction.STOP, ccndstops, ResourceState.STOPPED)
+
+# Deploy all ResourceManagers
+ ec.deploy()
+
+# Wait until the applications are finished
+ ec.wait_finished(ccndstops)
+
+# Shutdown the experiment controller
+ ec.shutdown()
+
git://git.onelab.eu / nepi.git / blobdiff