src/nepi/resources/ns3/ns3ccndceapplication.py

   1 #
   2 #    NEPI, a framework to manage network experiments
   3 #    Copyright (C) 2014 INRIA
   4 #
   5 #    This program is free software: you can redistribute it and/or modify
   6 #    it under the terms of the GNU General Public License as published by
   7 #    the Free Software Foundation, either version 3 of the License, or
   8 #    (at your option) any later version.
   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.attribute import Attribute, Flags, Types
  21 from nepi.execution.resource import clsinit_copy, ResourceState, reschedule_delay
  22 from nepi.resources.ns3.ns3dceapplication import NS3BaseDceApplication
  23
  24 import os
  25
  26 @clsinit_copy
  27 class NS3BaseCCNDceApplication(NS3BaseDceApplication):
  28     _rtype = "abstract::ns3::CCNDceApplication"
  29
  30     @classmethod
  31     def _register_attributes(cls):
  32         files = Attribute("files",
  33                 "Semi-colon separated list of 'key=value' pairs to set as "
  34                 "DCE files (AddFile). The key should be a path to a local file "
  35                 "and the key is the path to be set in DCE for that file" ,
  36                 flags = Flags.Design)
  37
  38         stdinfile = Attribute("stdinFile",
  39                 "File to set as StdinFile. The value shoudl be either an empty "
  40                 "or a path to a local file ",
  41                 flags = Flags.Design)
  42
  43         cls._register_attribute(files)
  44         cls._register_attribute(stdinfile)
  45
  46     def _instantiate_object(self):
  47         pass
  48
  49     def _connect_object(self):
  50         node = self.node
  51         if node.uuid not in self.connected:
  52             self._connected.add(node.uuid)
  53
  54             # Preventing concurrent access to the DceApplicationHelper
  55             # from different DceApplication RMs
  56             with self.simulation.dce_application_lock:
  57                 self.simulation.invoke(
  58                         self.simulation.ccn_client_helper_uuid,
  59                         "ResetArguments")
  60
  61                 self.simulation.invoke(
  62                         self.simulation.ccn_client_helper_uuid,
  63                         "ResetEnvironment")
  64
  65                 self.simulation.invoke(
  66                         self.simulation.ccn_client_helper_uuid,
  67                         "SetBinary", self.get("binary"))
  68
  69                 self.simulation.invoke(
  70                         self.simulation.ccn_client_helper_uuid,
  71                         "SetStackSize", self.get("stackSize"))
  72
  73                 arguments = self.get("arguments")
  74                 if arguments:
  75                     for arg in map(str.strip, arguments.split(";")):
  76                         self.simulation.invoke(
  77                                 self.simulation.ccn_client_helper_uuid,
  78                             "AddArgument", arg)
  79
  80                 environment = self.get("environment")
  81                 if environment:
  82                     for env in map(str.strip, environment.split(";")):
  83                         key, val = env.split("=")
  84                         self.simulation.invoke(
  85                                 self.simulation.ccn_client_helper_uuid,
  86                             "AddEnvironment", key, val)
  87
  88                 if self.has_attribute("files"):
  89                     files = self.get("files")
  90                     if files:
  91                         for files in map(str.strip, files.split(";")):
  92                             remotepath, dcepath = files.split("=")
  93                             localpath = "${SHARE}/" + os.path.basename(remotepath)
  94                             self.simulation.invoke(
  95                                     self.simulation.ccn_client_helper_uuid,
  96                                 "AddFile", localpath, dcepath)
  97
  98                 if self.has_attribute("stdinFile"):
  99                     stdinfile = self.get("stdinFile")
 100                     if stdinfile:
 101                         if stdinfile != "":
 102                             stdinfile = "${SHARE}/" + os.path.basename(stdinfile)
 103
 104                         self.simulation.invoke(
 105                                 self.simulation.ccn_client_helper_uuid,
 106                                 "SetStdinFile", stdinfile)
 107
 108                 apps_uuid = self.simulation.invoke(
 109                         self.simulation.ccn_client_helper_uuid,
 110                         "InstallInNode", self.node.uuid)
 111
 112             self._uuid = self.simulation.invoke(apps_uuid, "Get", 0)
 113
 114             if self.has_changed("StartTime"):
 115                 self.simulation.ns3_set(self.uuid, "StartTime", self.get("StartTime"))
 116
 117             if self.has_changed("StopTime"):
 118                 self.simulation.ns3_set(self.uuid, "StopTime", self.get("StopTime"))
 119
 120