--- /dev/null
+#!/usr/bin/env python
+
+#
+# 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>
+
+
+# NOTE: This experiment example uses the generic LinuxApplication
+# ResourceManager to do the CCN set up in the hosts.
+# Alternatively, CCN specific ResourceManagers can be used
+# (i.e. LinuxCCND, LinuxCCNR, etc...), and those require less
+# manual configuration.
+#
+#
+
+# CCN topology:
+#
+#
+#
+# content ccncat
+# Linux host Linux host
+# 0 ------- Internet ------ 0
+#
+
+from nepi.execution.ec import ExperimentController, ECState
+from nepi.execution.resource import ResourceState, ResourceAction
+from nepi.resources.linux.node import OSType
+
+from optparse import OptionParser, SUPPRESS_HELP
+
+import getpass
+import os
+import time
+
+def add_node(ec, host, user, ssh_key = None):
+ node = ec.register_resource("LinuxNode")
+ ec.set(node, "hostname", host)
+ ec.set(node, "username", user)
+ ec.set(node, "identity", ssh_key)
+ ec.set(node, "cleanHome", True)
+ ec.set(node, "cleanProcesses", True)
+ return node
+
+def add_ccnd(ec, os_type, peers):
+ if os_type == OSType.FEDORA:
+ depends = ( " autoconf openssl-devel expat-devel libpcap-devel "
+ " ecryptfs-utils-devel libxml2-devel automake gawk "
+ " gcc gcc-c++ git pcre-devel make ")
+ else: # UBUNTU
+ depends = ( " autoconf libssl-dev libexpat-dev libpcap-dev "
+ " libecryptfs0 libxml2-utils automake gawk gcc g++ "
+ " git-core pkg-config libpcre3-dev make ")
+
+ sources = "http://www.ccnx.org/releases/ccnx-0.7.1.tar.gz"
+
+ build = (
+ # Evaluate if ccnx binaries are already installed
+ " ( "
+ " test -f ${BIN}/ccnx-0.7.1/bin/ccnd"
+ " ) || ( "
+ # If not, untar and build
+ " ( "
+ " mkdir -p ${SRC}/ccnx-0.7.1 && "
+ " tar xf ${SRC}/ccnx-0.7.1.tar.gz --strip-components=1 -C ${SRC}/ccnx-0.7.1 "
+ " ) && "
+ "cd ${SRC}/ccnx-0.7.1 && "
+ # Just execute and silence warnings...
+ "( ./configure && make ) "
+ " )")
+
+ install = (
+ # Evaluate if ccnx binaries are already installed
+ " ( "
+ " test -f ${BIN}/ccnx-0.7.1/bin/ccnd"
+ " ) || ( "
+ " mkdir -p ${BIN}/ccnx-0.7.1/bin && "
+ " cp -r ${SRC}/ccnx-0.7.1/bin ${BIN}/ccnx-0.7.1"
+ " )"
+ )
+
+ env = "PATH=$PATH:${BIN}/ccnx-0.7.1/bin"
+
+ # BASH command -> ' ccndstart ; ccndc add ccnx:/ udp host ; ccnr '
+ command = "ccndstart && "
+ peers = map(lambda peer: "ccndc add ccnx:/ udp %s" % peer, peers)
+ command += " ; ".join(peers) + " && "
+ command += " ccnr & "
+
+ app = ec.register_resource("LinuxApplication")
+ ec.set(app, "depends", depends)
+ ec.set(app, "sources", sources)
+ ec.set(app, "install", install)
+ ec.set(app, "build", build)
+ ec.set(app, "env", env)
+ ec.set(app, "command", command)
+
+ return app
+
+def add_publish(ec, movie):
+ env = "PATH=$PATH:${BIN}/ccnx-0.7.1/bin"
+ command = "ccnseqwriter -r ccnx:/VIDEO"
+
+ app = ec.register_resource("LinuxApplication")
+ ec.set(app, "stdin", movie)
+ ec.set(app, "env", env)
+ ec.set(app, "command", command)
+
+ return app
+
+def add_stream(ec):
+ env = "PATH=$PATH:${BIN}/ccnx-0.7.1/bin"
+ command = "sudo -S dbus-uuidgen --ensure ; ( ccncat ccnx:/VIDEO | vlc - ) "
+
+ app = ec.register_resource("LinuxApplication")
+ ec.set(app, "depends", "vlc")
+ ec.set(app, "forwardX11", True)
+ ec.set(app, "env", env)
+ ec.set(app, "command", command)
+
+ return app
+
+def get_options():
+ pl_slice = os.environ.get("PL_SLICE")
+
+ # We use a specific SSH private key for PL if the PL_SSHKEY is specified or the
+ # id_rsa_planetlab exists
+ default_key = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
+ default_key = default_key if os.path.exists(default_key) else None
+ pl_ssh_key = os.environ.get("PL_SSHKEY", default_key)
+
+ # Default planetlab host
+ pl_host = "planetlab2.u-strasbg.fr"
+
+ # Another Linux host
+ # IMPORTANT NOTE: you must replace this host for another one
+ # you have access to. You must set up your SSH keys so
+ # the host can be accessed through SSH without prompting
+ # for a password. The host must allow X forwarding using SSH.
+ linux_host = 'roseval.pl.sophia.inria.fr'
+ linux_user = getpass.getuser()
+
+ usage = "usage: %prog -p <pl-host> -s <pl-slice> -l <linux-host> -u <linux-user> -m <movie> -e <exp-id> -i <ssh_key>"
+
+ parser = OptionParser(usage=usage)
+ parser.add_option("-p", "--pl-host", dest="pl_host",
+ help="PlanetLab hostname (already added to the <pl-slice> on the web site)",
+ default = pl_host, type="str")
+ parser.add_option("-s", "--pl-slice", dest="pl_slice",
+ help="PlanetLab slicename", default = pl_slice, type="str")
+ parser.add_option("-l", "--linux-host", dest="linux_host",
+ help="Hostname of second Linux host (non PlanetLab)",
+ default = linux_host, type="str")
+ parser.add_option("-u", "--linux-user", dest="linux_user",
+ help="User for extra Linux host (non PlanetLab)",
+ default = linux_user, 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")
+ parser.add_option("-i", "--pl-ssh-key", dest="pl_ssh_key",
+ help="Path to private SSH key to be used for connection",
+ default = pl_ssh_key, type="str")
+
+ (options, args) = parser.parse_args()
+
+ if not options.movie:
+ parser.error("movie is a required argument")
+
+ return (options.pl_host, options.pl_slice, options.linux_host,
+ options.linux_user, options.movie, options.exp_id,
+ options.pl_ssh_key)
+
+if __name__ == '__main__':
+ ( pl_host, pl_user, linux_host, linux_user, movie, exp_id, pl_ssh_key
+ ) = get_options()
+
+ # Create the ExperimentController instance
+ ec = ExperimentController(exp_id = exp_id)
+
+ # Register ResourceManager (RM)
+
+ # Register first PlanetLab host
+ node1 = add_node(ec, pl_host, pl_user, pl_ssh_key)
+
+ # Register CCN setup for PL host
+ peers = [linux_host]
+ ccnd1 = add_ccnd(ec, OSType.FEDORA, peers)
+ ec.register_connection(ccnd1, node1)
+
+ # Register content producer application (ccnseqwriter)
+ pub = add_publish(ec, movie)
+ ec.register_connection(pub, node1)
+
+ # The movie can only be published after ccnd is running
+ ec.register_condition(pub, ResourceAction.START,
+ ccnd1, ResourceState.STARTED)
+
+ # Register Linux host
+ node2 = add_node(ec, linux_host, linux_user)
+
+ # Register CCN setup for Linux host
+ peers = [pl_host]
+ ccnd2 = add_ccnd(ec, "ubuntu", peers)
+ ec.register_connection(ccnd2, node2)
+
+ # Register consumer application (ccncat)
+ stream = add_stream(ec)
+ ec.register_connection(stream, node2)
+
+ # The stream can only be retrieved after ccnd is running
+ ec.register_condition(stream, ResourceAction.START,
+ ccnd2, ResourceState.STARTED)
+
+ # And also, the stream can only be retrieved after it was published
+ ec.register_condition(stream, ResourceAction.START,
+ pub, ResourceState.STARTED)
+
+ # Deploy all ResourceManagers
+ ec.deploy()
+
+ # Wait until the applications are finished
+ apps = [ccnd1, pub, ccnd2, stream]
+ ec.wait_finished(apps)
+
+ # Shutdown the experiment controller
+ ec.shutdown()
+