test/util/plotter.py

   1 #!/usr/bin/env python
   2 #
   3 #    NEPI, a framework to manage network experiments
   4 #    Copyright (C) 2013 INRIA
   5 #
   6 #    This program is free software: you can redistribute it and/or modify
   7 #    it under the terms of the GNU General Public License as published by
   8 #    the Free Software Foundation, either version 3 of the License, or
   9 #    (at your option) any later version.
  10 #
  11 #    This program is distributed in the hope that it will be useful,
  12 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #    GNU General Public License for more details.
  15 #
  16 #    You should have received a copy of the GNU General Public License
  17 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
  20
  21 from nepi.execution.ec import ExperimentController
  22 from nepi.execution.resource import ResourceManager, ResourceState, \
  23         clsinit_copy, ResourceAction, ResourceFactory
  24 from nepi.util.plotter import PFormats
  25
  26 import os
  27 import tempfile
  28 import time
  29 import unittest
  30
  31 reschedule_delay = "0.5s"
  32 deploy_time = 0
  33 run_time = 0
  34
  35 class Link(ResourceManager):
  36     _rtype = "dummy::Link"
  37     def do_deploy(self):
  38         time.sleep(deploy_time)
  39         super(Link, self).do_deploy()
  40         self.logger.debug(" -------- DEPLOYED ------- ")
  41
  42 class Interface(ResourceManager):
  43     _rtype = "dummy::Interface"
  44
  45     def do_deploy(self):
  46         node = self.get_connected(Node.get_rtype())[0]
  47         link = self.get_connected(Link.get_rtype())[0]
  48
  49         if node.state < ResourceState.READY or \
  50                 link.state < ResourceState.READY:
  51             self.ec.schedule(reschedule_delay, self.deploy)
  52             self.logger.debug(" -------- RESCHEDULING ------- ")
  53         else:
  54             time.sleep(deploy_time)
  55             super(Interface, self).do_deploy()
  56             self.logger.debug(" -------- DEPLOYED ------- ")
  57
  58 class Node(ResourceManager):
  59     _rtype = "dummy::Node"
  60
  61     def do_deploy(self):
  62         self.logger.debug(" -------- DO_DEPLOY ------- ")
  63         time.sleep(deploy_time)
  64         super(Node, self).do_deploy()
  65         self.logger.debug(" -------- DEPLOYED ------- ")
  66
  67 class Application(ResourceManager):
  68     _rtype = "dummy::Application"
  69
  70     def do_deploy(self):
  71         node = self.get_connected(Node.get_rtype())[0]
  72
  73         if node.state < ResourceState.READY:
  74             self.ec.schedule(reschedule_delay, self.deploy)
  75             self.logger.debug(" -------- RESCHEDULING ------- ")
  76         else:
  77             time.sleep(deploy_time)
  78             super(Application, self).do_deploy()
  79             self.logger.debug(" -------- DEPLOYED ------- ")
  80
  81     def do_start(self):
  82         super(Application, self).do_start()
  83         time.sleep(run_time)
  84         self.ec.schedule("0s", self.stop)
  85
  86 ResourceFactory.register_type(Application)
  87 ResourceFactory.register_type(Node)
  88 ResourceFactory.register_type(Interface)
  89 ResourceFactory.register_type(Link)
  90
  91 class PlotterTestCase(unittest.TestCase):
  92     def test_serialize(self):
  93         node_count = 4
  94         app_count = 2
  95
  96         ec = ExperimentController(exp_id = "plotter-test")
  97
  98         # Add simulated nodes and applications
  99         nodes = list()
 100         apps = list()
 101         ifaces = list()
 102
 103         for i in xrange(node_count):
 104             node = ec.register_resource("dummy::Node")
 105             nodes.append(node)
 106
 107             iface = ec.register_resource("dummy::Interface")
 108             ec.register_connection(node, iface)
 109             ifaces.append(iface)
 110
 111             for i in xrange(app_count):
 112                 app = ec.register_resource("dummy::Application")
 113                 ec.register_connection(node, app)
 114                 apps.append(app)
 115
 116         link = ec.register_resource("dummy::Link")
 117
 118         for iface in ifaces:
 119             ec.register_connection(link, iface)
 120
 121         fpath = ec.plot()
 122         statinfo = os.stat(fpath)
 123         size = statinfo.st_size
 124         self.assertTrue(size > 0)
 125         self.assertTrue(fpath.endswith(".png"))
 126
 127         os.remove(fpath)
 128
 129         fpath = ec.plot(format = PFormats.DOT)
 130         statinfo = os.stat(fpath)
 131         size = statinfo.st_size
 132         self.assertTrue(size > 0)
 133         self.assertTrue(fpath.endswith(".dot"))
 134
 135         os.remove(fpath)
 136
 137 if __name__ == '__main__':
 138     unittest.main()
 139