4 # NEPI, a framework to manage network experiments
5 # Copyright (C) 2013 INRIA
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
27 # content l1 / \ l2 ccncat
29 # 0 ----- h1 0 --- 0 h3 ------ 0
35 # - t0 : b2 retrives video published in b1
41 from nepi.execution.ec import ExperimentController, ECState
42 from nepi.execution.resource import ResourceState, ResourceAction
43 from nepi.execution.trace import TraceAttr
46 from optparse import OptionParser, SUPPRESS_HELP
51 def add_node(ec, host, user, ssh_key = None):
52 node = ec.register_resource("LinuxNode")
53 ec.set(node, "hostname", host)
54 ec.set(node, "username", user)
55 ec.set(node, "identity", ssh_key)
56 ec.set(node, "cleanHome", True)
57 ec.set(node, "cleanProcesses", True)
60 def add_ccnd(ec, node):
61 ccnd = ec.register_resource("LinuxCCND")
62 ec.set(ccnd, "debug", 7)
63 ec.register_connection(ccnd, node)
66 def add_ccnr(ec, ccnd):
67 ccnr = ec.register_resource("LinuxCCNR")
68 ec.register_connection(ccnr, ccnd)
71 def add_fib_entry(ec, ccnd, peer_host):
72 entry = ec.register_resource("LinuxFIBEntry")
73 ec.set(entry, "host", peer_host)
74 ec.register_connection(entry, ccnd)
77 def add_content(ec, ccnr, content_name, content):
78 co = ec.register_resource("LinuxCCNContent")
79 ec.set(co, "contentName", content_name)
80 ec.set(co, "content", content)
81 ec.register_connection(co, ccnr)
84 def add_stream(ec, ccnd, content_name):
85 # ccnx v7.2 issue 101007
86 command = "ccnpeek %(content_name)s; ccncat %(content_name)s" % {
87 "content_name" : content_name}
89 app = ec.register_resource("LinuxCCNApplication")
90 ec.set(app, "command", command)
91 ec.register_connection(app, ccnd)
95 def add_collector(ec, trace_name, store_dir):
96 collector = ec.register_resource("Collector")
97 ec.set(collector, "traceName", trace_name)
98 ec.set(collector, "storeDir", store_dir)
103 pl_slice = os.environ.get("PL_SLICE")
105 # We use a specific SSH private key for PL if the PL_SSHKEY is specified or the
106 # id_rsa_planetlab exists
107 default_key = "%s/.ssh/id_rsa_planetlab" % (os.environ['HOME'])
108 default_key = default_key if os.path.exists(default_key) else None
109 pl_ssh_key = os.environ.get("PL_SSHKEY", default_key)
111 usage = "usage: %prog -s <pl-user> -m <movie> -e <exp-id> -i <ssh_key> -r <results>"
113 parser = OptionParser(usage=usage)
114 parser.add_option("-s", "--pl-user", dest="pl_user",
115 help="PlanetLab slicename", default = pl_slice, type="str")
116 parser.add_option("-m", "--movie", dest="movie",
117 help="Stream movie", type="str")
118 parser.add_option("-e", "--exp-id", dest="exp_id",
119 help="Label to identify experiment", type="str")
120 parser.add_option("-i", "--pl-ssh-key", dest="pl_ssh_key",
121 help="Path to private SSH key to be used for connection",
122 default = pl_ssh_key, type="str")
123 parser.add_option("-r", "--results", dest="results", default = "/tmp",
124 help="Path to directory where to store results", type="str")
126 (options, args) = parser.parse_args()
128 if not options.movie:
129 parser.error("movie is a required argument")
131 return (options.pl_user, options.movie, options.exp_id, options.pl_ssh_key,
134 if __name__ == '__main__':
135 content_name = "ccnx:/test/VIDEO"
137 ( pl_user, movie, exp_id, pl_ssh_key, results_dir ) = get_options()
139 ec = ExperimentController(exp_id = exp_id)
142 #host1 = "planetlab4.wail.wisc.edu"
143 #host2 = "planetlab2.cs.columbia.edu"
144 #host3 = "ricepl-2.cs.rice.edu"
145 #host4 = "node1.planetlab.albany.edu"
146 #host5 = "earth.cs.brown.edu"
147 #host6 = "planetlab2.engr.uconn.edu"
150 host1 = "planetlab2.fct.ualg.pt"
151 host2 = "planet2.unipr.it"
152 host3 = "planetlab1.aston.ac.uk"
153 host4 = "itchy.comlab.bth.se"
154 host5 = "rochefort.infonet.fundp.ac.be"
155 host6 = "planetlab1.u-strasbg.fr"
157 # describe nodes in the central ring
158 ring_hosts = [host1, host2, host3, host4]
161 for i in xrange(len(ring_hosts)):
163 node = add_node(ec, host, pl_user, pl_ssh_key)
164 ccnd = add_ccnd(ec, node)
165 ccnr = add_ccnr(ec, ccnd)
168 ## Add ccn ring links
169 # l1 : h1 - h2 , h2 - h1
170 l1u = add_fib_entry(ec, ccnds[host1], host2)
171 l1d = add_fib_entry(ec, ccnds[host2], host1)
173 # l2 : h2 - h3 , h3 - h2
174 l2u = add_fib_entry(ec, ccnds[host2], host3)
175 l2d = add_fib_entry(ec, ccnds[host3], host2)
177 # l3 : h3 - h4 , h4 - h3
178 l3u = add_fib_entry(ec, ccnds[host3], host4)
179 l3d = add_fib_entry(ec, ccnds[host4], host3)
181 # l4 : h4 - h1 , h1 - h4
182 l4u = add_fib_entry(ec, ccnds[host4], host1)
183 l4d = add_fib_entry(ec, ccnds[host1], host4)
185 # l5 : h1 - h3 , h3 - h1
186 l5u = add_fib_entry(ec, ccnds[host1], host3)
187 l5d = add_fib_entry(ec, ccnds[host3], host1)
190 bnode1 = add_node(ec, host5, pl_user, pl_ssh_key)
191 ccndb1 = add_ccnd(ec, bnode1)
192 ccnrb1 = add_ccnr(ec, ccndb1)
193 ccnds[host5] = ccndb1
194 co = add_content(ec, ccnrb1, content_name, movie)
197 bnode2 = add_node(ec, host6, pl_user, pl_ssh_key)
198 ccndb2 = add_ccnd(ec, bnode2)
199 ccnrb2 = add_ccnr(ec, ccndb2)
200 ccnds[host6] = ccndb2
201 app = add_stream(ec, ccndb2, content_name)
203 # connect border nodes
204 add_fib_entry(ec, ccndb1, host1)
205 add_fib_entry(ec, ccnds[host1], host5)
207 add_fib_entry(ec, ccndb2, host3)
208 add_fib_entry(ec, ccnds[host3], host6)
210 # Put down l5 10s after transfer started
211 ec.register_condition(l5u, ResourceAction.STOP,
212 app, ResourceState.STARTED, time = "10s")
213 ec.register_condition(l5d, ResourceAction.STOP,
214 app, ResourceState.STARTED, time = "10s")
216 # Register a collector to automatically collect traces
217 collector = add_collector(ec, "stderr", results_dir)
218 for ccnd in ccnds.values():
219 ec.register_connection(collector, ccnd)
221 # deploy all ResourceManagers
224 # Wait until ccncat has started retrieving the content
225 ec.wait_started([app])
227 rvideo_path = ec.trace(app, "stdout", attr = TraceAttr.PATH)
228 command = 'tail -f %s' % rvideo_path
230 # pulling the content of the video received
231 # on b2, to stream it locally
232 proc1 = subprocess.Popen(['ssh',
233 '-o', 'StrictHostKeyChecking=no',
234 '-l', pl_user, host6,
236 stdout = subprocess.PIPE,
237 stderr = subprocess.PIPE)
239 proc2 = subprocess.Popen(['vlc',
240 '--ffmpeg-threads=1',
241 '--sub-filter', 'marq',
243 '(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org',
245 '--no-video-title-show', '-'],
247 stdout=subprocess.PIPE,
248 stderr=subprocess.PIPE)
250 (stdout, stderr) = proc2.communicate()
252 # shutdown the experiment controller