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 import threading
  26
  27 @clsinit_copy
  28 class NS3BaseCCNDceApplication(NS3BaseDceApplication):
  29     _rtype = "abstract::ns3::CCNDceApplication"
  30
  31     # Lock used to synchronize usage of CcnClientHelper
  32     ccn_client_lock = threading.Lock()
  33     _ccn_client_helper_uuid = None
  34
  35     @property
  36     def ccn_client_helper_uuid(self):
  37         if not self._ccn_client_helper_uuid:
  38             self._ccn_client_helper_uuid = self.simulation.create("CcnClientHelper")
  39         return self._ccn_client_helper_uuid
  40
  41     def _instantiate_object(self):
  42         pass
  43
  44     def _connect_object(self):
  45         node = self.node
  46         if node.uuid not in self.connected:
  47             self._connected.add(node.uuid)
  48
  49             # Preventing concurrent access to the DceApplicationHelper
  50             # from different DceApplication RMs
  51             with self.ccn_client_lock:
  52                 self.simulation.invoke(
  53                         self.ccn_client_helper_uuid,
  54                         "ResetArguments")
  55
  56                 self.simulation.invoke(
  57                         self.ccn_client_helper_uuid,
  58                         "ResetEnvironment")
  59
  60                 self.simulation.invoke(
  61                         self.ccn_client_helper_uuid,
  62                         "SetBinary", self.get("binary"))
  63
  64                 self.simulation.invoke(
  65                         self.ccn_client_helper_uuid,
  66                         "SetStackSize", self.get("stackSize"))
  67
  68                 arguments = self.get("arguments")
  69                 if arguments:
  70                     for arg in map(str.strip, arguments.split(";")):
  71                         self.simulation.invoke(
  72                                  self.ccn_client_helper_uuid,
  73                                 "AddArgument", arg)
  74
  75                 environment = self.get("environment")
  76                 if environment:
  77                     for env in map(str.strip, environment.split(";")):
  78                         key, val = env.split("=")
  79                         self.simulation.invoke(
  80                                 self.ccn_client_helper_uuid,
  81                                "AddEnvironment", key, val)
  82
  83                 if self.has_attribute("files"):
  84                     files = self.get("files")
  85                     if files:
  86                         for file in map(str.strip, files.split(";")):
  87                             remotepath, dcepath = file.split("=")
  88                             localpath =  os.path.join(self.simulation.app_home,
  89                                     os.path.basename(remotepath))
  90                             self.simulation.invoke(
  91                                     self.ccn_client_helper_uuid,
  92                                     "AddFile", localpath, dcepath)
  93
  94                 if self.has_attribute("stdinFile"):
  95                     stdinfile = self.get("stdinFile")
  96                     if stdinfile:
  97                         # stdinfile might be an empty text that should be set as
  98                         # stdin
  99                         self.simulation.invoke(
 100                                 self.ccn_client_helper_uuid,
 101                                 "SetStdinFile", stdinfile)
 102
 103                 apps_uuid = self.simulation.invoke(
 104                         self.ccn_client_helper_uuid,
 105                         "InstallInNode", self.node.uuid)
 106
 107                 """
 108                 container_uuid = self.simulation.create("NodeContainer")
 109                 self.simulation.invoke(container_uuid, "Add", self.node.uuid)
 110                 apps_uuid = self.simulation.invoke(
 111                         self.ccn_client_helper_uuid,
 112                         "Install", container_uuid)
 113                 """
 114
 115             self._uuid = self.simulation.invoke(apps_uuid, "Get", 0)
 116
 117             if self.has_changed("StartTime"):
 118                 self.simulation.ns3_set(self.uuid, "StartTime", self.get("StartTime"))
 119
 120             if self.has_changed("StopTime"):
 121                 self.simulation.ns3_set(self.uuid, "StopTime", self.get("StopTime"))
 122
 123