#
# NEPI, a framework to manage network experiments
# Copyright (C) 2014 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 .
#
# Author: Alina Quereilhac
#
# Example of how to run this experiment (replace with your information):
#
# $ cd
# python examples/linux/ccn_simple_transfer.py -a -b -u -i
# CCN topology:
#
#
#
# content ccncat
# Linux host Linux host
# 0 ------- network -------- 1
#
from nepi.execution.ec import ExperimentController
from optparse import OptionParser
import os
usage = ("usage: %prog -a -b -u -i ")
parser = OptionParser(usage = usage)
parser.add_option("-a", "--hostname1", dest="hostname1",
help="Remote host 1", type="str")
parser.add_option("-b", "--hostname2", dest="hostname2",
help="Remote host 2", type="str")
parser.add_option("-u", "--username", dest="username",
help="Username to SSH to remote host", type="str")
parser.add_option("-i", "--ssh-key", dest="ssh_key",
help="Path to private SSH key to be used for connection",
type="str")
(options, args) = parser.parse_args()
hostname1 = options.hostname1
hostname2 = options.hostname2
username = options.username
ssh_key = options.ssh_key
## Create the experiment controller
ec = ExperimentController(exp_id = "ccn_simple_transfer")
##### CONFIGURING NODE 1
## Register node 1
node1 = ec.register_resource("LinuxNode")
# Set the hostname of the first node to use for the experiment
ec.set(node1, "hostname", hostname1)
# username should be your SSH user
ec.set(node1, "username", username)
# Absolute path to the SSH private key
ec.set(node1, "identity", ssh_key)
# Clean all files, results, etc, from previous experiments wit the same exp_id
ec.set(node1, "cleanExperiment", True)
# Kill all running processes in the node before running the experiment
ec.set(node1, "cleanProcesses", True)
## Register a CCN daemon in node 1
ccnd1 = ec.register_resource("LinuxCCND")
# Set ccnd log level to 7
ec.set(ccnd1, "debug", 7)
ec.register_connection(ccnd1, node1)
## Register a repository in node 1
ccnr1 = ec.register_resource("LinuxCCNR")
ec.register_connection(ccnr1, ccnd1)
## Push the file into the repository
local_path_to_content = os.path.join(
os.path.dirname(os.path.realpath(__file__)),
"..", "big_buck_bunny_240p_mpeg4_lq.ts")
content_name = "ccnx:/test/FILE"
# Add a content to the repository
co = ec.register_resource("LinuxCCNContent")
ec.set(co, "contentName", content_name)
# NEPI will upload the specified file to the remote node and write it
# into the CCN repository
ec.set(co, "content", local_path_to_content)
ec.register_connection(co, ccnr1)
##### CONFIGURING NODE 2
## Register node 2
node2 = ec.register_resource("LinuxNode")
# Set the hostname of the first node to use for the experiment
ec.set(node2, "hostname", hostname2)
# username should be your SSH user
ec.set(node2, "username", username)
# Absolute path to the SSH private key
ec.set(node2, "identity", ssh_key)
# Clean all files, results, etc, from previous experiments wit the same exp_id
ec.set(node2, "cleanExperiment", True)
# Kill all running processes in the node before running the experiment
ec.set(node2, "cleanProcesses", True)
## Register a CCN daemon in node 2
ccnd2 = ec.register_resource("LinuxCCND")
# Set ccnd log level to 7
ec.set(ccnd2, "debug", 7)
ec.register_connection(ccnd2, node2)
## Retrieve the file stored in node 1 from node 2
ccncat = ec.register_resource("LinuxCCNCat")
ec.set(ccncat, "contentName", content_name)
ec.register_connection(ccncat, ccnd2)
##### INTERCONNECTING CCN NODES ...
# Register a FIB entry from node 1 to node 2
entry1 = ec.register_resource("LinuxFIBEntry")
ec.set(entry1, "host", hostname2)
ec.register_connection(entry1, ccnd1)
# Register a FIB entry from node 2 to node 1
entry2 = ec.register_resource("LinuxFIBEntry")
ec.set(entry2, "host", hostname1)
ec.register_connection(entry2, ccnd2)
##### STARTING THE EXPERIMENT
## Deploy all resources
ec.deploy()
# Wait until the ccncat is finished
ec.wait_finished([ccncat])
stdout = ec.trace(ccncat, "stdout")
f = open("video.ts", "w")
f.write(stdout)
f.close()
ec.shutdown()
print "Transfered FILE stored localy at video.ts"