examples/omf/iminds_omf6_vlc.py

   1 #!/usr/bin/env python
   2
   3 ###############################################################################
   4 #
   5 #    NEPI, a framework to manage network experiments
   6 #    Copyright (C) 2013 INRIA
   7 #
   8 #    This program is free software: you can redistribute it and/or modify
   9 #    it under the terms of the GNU General Public License version 2 as
  10 #    published by the Free Software Foundation;
  11 #
  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.
  16 #
  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/>.
  19 #
  20 # Authors: Alina Quereilhac <alina.quereilhac@inria.fr>
  21 #         Julien Tribino <julien.tribino@inria.fr>
  22 #
  23 ###############################################################################
  24
  25 # Topology
  26 #
  27 #
  28 #  Testbed : iMinds
  29 #
  30 #     Node
  31 #     node0ZZ
  32 #     0
  33 #     |
  34 #     |
  35 #     0
  36 #     Node
  37 #     node0ZZ
  38 #     PING
  39 #
  40 #
  41 #      - Experiment:
  42 #        - t0 : Deployment
  43 #        - t1 : Ping Start
  44 #        - t2 (t1 + 10s) : Ping stop
  45 #        - t3 (t2 + 2s) : Kill the application
  46 #
  47
  48 from __future__ import print_function
  49
  50 from nepi.execution.resource import ResourceAction, ResourceState
  51 from nepi.execution.ec import ExperimentController
  52
  53 from optparse import OptionParser
  54 import os
  55
  56 usage = ("usage: %prog -x <nodex> -z <nodez> -s <slice-name> -c <channel>")
  57
  58 parser = OptionParser(usage = usage)
  59 parser.add_option("-x", "--nodex", dest="nodex",
  60         help="w-iLab.t first reserved node "
  61             "(must be of form:  "
  62             " nodex.<experiment_id>.<project_id>.wilab2.ilabt.iminds.be"
  63             " all letters in lowercase )",
  64         type="str")
  65 parser.add_option("-z", "--nodez", dest="nodez",
  66         help="w-iLab.t first reserved node "
  67              "(must be of form:  "
  68             " nodex.<experiment_id>.<project_id>.wilab2.ilabt.iminds.be"
  69             " all letters in lowercase )",
  70         type="str")
  71 parser.add_option("-c", "--channel", dest="channel",
  72         help="Nitos reserved channel",
  73         type="str")
  74 parser.add_option("-s", "--slice-name", dest="slicename",
  75         help="Nitos slice name", type="str")
  76 (options, args) = parser.parse_args()
  77
  78 nodex = options.nodex
  79 nodez = options.nodez
  80 slicename = options.slicename
  81 chan = options.channel
  82
  83 # Create the EC
  84 ec = ExperimentController(exp_id="iminds_omf6_ping")
  85
  86 # Create and Configure the Nodes
  87
  88 node1 = ec.register_resource("omf::Node")
  89 ec.set(node1, "hostname", nodex)
  90 ec.set(node1, "xmppUser", slicename)
  91 ec.set(node1, "xmppServer", "xmpp.ilabt.iminds.be")
  92 ec.set(node1, "xmppPort", "5222")
  93 ec.set(node1, "xmppPassword", "1234")
  94
  95 iface1 = ec.register_resource("omf::WifiInterface")
  96 ec.set(iface1, "name", "wlan0")
  97 ec.set(iface1, "mode", "adhoc")
  98 ec.set(iface1, "hw_mode", "g")
  99 ec.set(iface1, "essid", "vlc")
 100 ec.set(iface1, "ip", "192.168.0.1/24")
 101 ec.register_connection(iface1, node1)
 102
 103 node2 = ec.register_resource("omf::Node")
 104 ec.set(node2, "hostname", nodez)
 105 ec.set(node2, "xmppUser", slicename)
 106 ec.set(node2, "xmppServer", "xmpp.ilabt.iminds.be")
 107 ec.set(node2, "xmppPort", "5222")
 108 ec.set(node2, "xmppPassword", "1234")
 109
 110 iface2 = ec.register_resource("omf::WifiInterface")
 111 ec.set(iface2, "name", "wlan0")
 112 ec.set(iface2, "mode", "adhoc")
 113 ec.set(iface2, "hw_mode", "g")
 114 ec.set(iface2, "essid", "vlc")
 115 ec.set(iface2, "ip", "192.168.0.2/24")
 116 ec.register_connection(iface2, node2)
 117
 118 channel = ec.register_resource("omf::Channel")
 119 ec.set(channel, "channel", "6")
 120 ec.register_connection(iface1, channel)
 121 ec.register_connection(iface2, channel)
 122
 123 client_ip = "192.168.0.2"
 124
 125 # Create and Configure the Application
 126 app1 = ec.register_resource("omf::Application")
 127 ec.set(app1, "command",
 128     "/root/vlc/vlc-1.1.13/cvlc /root/10-by-p0d.avi --sout '#rtp{dst=%s,port=5004,mux=ts}'" % client_ip)
 129 ec.register_connection(app1, node1)
 130
 131 ## Add a OMFApplication to run the client VLC
 132 app2 = ec.register_resource("omf::Application")
 133 ## Send the transmitted video to a file.
 134 ec.set(app2, "command", "/root/vlc/vlc-1.1.13/cvlc rtp://%s:5004 --sout '#standard{access=file,mux=ts,dst=/root/video.ts}'" % client_ip)
 135 ec.register_connection(app2, node2)
 136
 137 ## Add a OMFApplication to count the number of bytes in the transmitted video
 138 app3 = ec.register_resource("omf::Application")
 139 ## Send the transmitted video to a file.
 140 ec.set(app3, "command", "ls -lah /root/video.ts")
 141 ec.register_connection(app3, node2)
 142
 143 app4 = ec.register_resource("omf::Application")
 144 ec.set(app4, "command", "/usr/bin/killall vlc_app")
 145 ec.register_connection(app4, node1)
 146
 147 app5 = ec.register_resource("omf::Application")
 148 ec.set(app5, "command", "/usr/bin/killall vlc_app")
 149 ec.register_connection(app5, node2)
 150
 151 ## start app2 5s after app1
 152 ec.register_condition(app2, ResourceAction.START, app1, ResourceState.STARTED , "5s")
 153 # start app3 after app2 stopped
 154 ec.register_condition(app3, ResourceAction.START, app2, ResourceState.STOPPED , "5s")
 155 # start the kill of vlc processes after they stopped
 156 ec.register_condition(app4, ResourceAction.START, app1, ResourceState.STOPPED , "5s")
 157 ec.register_condition(app5, ResourceAction.START, app2, ResourceState.STOPPED , "5s")
 158
 159 ## We need to explicitly STOP all applications
 160 ## stop app1 65s after it started
 161 ec.register_condition(app1, ResourceAction.STOP, app1, ResourceState.STARTED , "65s")
 162 ## stop app2 5 seconds after app2
 163 ec.register_condition(app2, ResourceAction.STOP, app1, ResourceState.STOPPED , "5s")
 164 # stop app3 after 5s
 165 ec.register_condition(app3, ResourceAction.STOP, app3, ResourceState.STOPPED , "5s")
 166 # stop app4
 167 ec.register_condition(app4, ResourceAction.STOP, app4, ResourceState.STARTED , "5s")
 168 # stop app5
 169 ec.register_condition(app5, ResourceAction.STOP, app5, ResourceState.STARTED , "5s")
 170
 171 # Deploy
 172 ec.deploy()
 173
 174 # DO NOT WAIT FOR THE VLC applications or it will never stop
 175 ec.wait_finished([app4, app5])
 176
 177 # Retrieve the bytes transmitted output and print it
 178 byte_count = ec.trace(app3, "stdout")
 179 print("BYTES transmitted", byte_count)
 180
 181 # Stop Experiment
 182 ec.shutdown()
 183