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