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 version 2 as
   7 #    published by the Free Software Foundation;
   8 #
   9 #    This program is distributed in the hope that it will be useful,
  10 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 #    GNU General Public License for more details.
  13 #
  14 #    You should have received a copy of the GNU General Public License
  15 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 #
  17 # Author: Alina Quereilhac <alina.quereilhac@inria.fr>
  18
  19 from nepi.execution.attribute import Attribute, Flags, Types
  20 from nepi.execution.resource import clsinit_copy, ResourceState
  21 from nepi.resources.ns3.ns3dceapplication import NS3BaseDceApplication
  22
  23 import os
  24 import threading
  25
  26 @clsinit_copy
  27 class NS3BaseCCNDceApplication(NS3BaseDceApplication):
  28     _rtype = "abstract::ns3::CCNDceApplication"
  29
  30     # Lock used to synchronize usage of CcnClientHelper
  31     ccn_client_lock = threading.Lock()
  32     _ccn_client_helper_uuid = None
  33
  34     @property
  35     def ccn_client_helper_uuid(self):
  36         if not self._ccn_client_helper_uuid:
  37             self._ccn_client_helper_uuid = self.simulation.create("CcnClientHelper")
  38         return self._ccn_client_helper_uuid
  39
  40     def _instantiate_object(self):
  41         pass
  42
  43     def _connect_object(self):
  44         node = self.node
  45         if node.uuid not in self.connected:
  46             self._connected.add(node.uuid)
  47
  48             # Preventing concurrent access to the DceApplicationHelper
  49             # from different DceApplication RMs
  50             with self.ccn_client_lock:
  51                 self.simulation.invoke(
  52                         self.ccn_client_helper_uuid,
  53                         "ResetArguments")
  54
  55                 self.simulation.invoke(
  56                         self.ccn_client_helper_uuid,
  57                         "ResetEnvironment")
  58
  59                 self.simulation.invoke(
  60                         self.ccn_client_helper_uuid,
  61                         "SetBinary", self.get("binary"))
  62
  63                 self.simulation.invoke(
  64                         self.ccn_client_helper_uuid,
  65                         "SetStackSize", self.get("stackSize"))
  66
  67                 arguments = self.get("arguments")
  68                 if arguments:
  69                     for arg in map(str.strip, arguments.split(";")):
  70                         self.simulation.invoke(
  71                                  self.ccn_client_helper_uuid,
  72                                 "AddArgument", arg)
  73
  74                 environment = self.get("environment")
  75                 if environment:
  76                     for env in map(str.strip, environment.split(";")):
  77                         key, val = env.split("=")
  78                         self.simulation.invoke(
  79                                 self.ccn_client_helper_uuid,
  80                                "AddEnvironment", key, val)
  81
  82                 if self.has_attribute("files"):
  83                     files = self.get("files")
  84                     if files:
  85                         for file in map(str.strip, files.split(";")):
  86                             remotepath, dcepath = file.split("=")
  87                             localpath =  os.path.join(self.simulation.app_home,
  88                                     os.path.basename(remotepath))
  89                             self.simulation.invoke(
  90                                     self.ccn_client_helper_uuid,
  91                                     "AddFile", localpath, dcepath)
  92
  93                 if self.has_attribute("stdinFile"):
  94                     stdinfile = self.get("stdinFile")
  95                     if stdinfile:
  96                         # stdinfile might be an empty text that should be set as
  97                         # stdin
  98                         self.simulation.invoke(
  99                                 self.ccn_client_helper_uuid,
 100                                 "SetStdinFile", stdinfile)
 101
 102                 apps_uuid = self.simulation.invoke(
 103                         self.ccn_client_helper_uuid,
 104                         "InstallInNode", self.node.uuid)
 105
 106                 """
 107                 container_uuid = self.simulation.create("NodeContainer")
 108                 self.simulation.invoke(container_uuid, "Add", self.node.uuid)
 109                 apps_uuid = self.simulation.invoke(
 110                         self.ccn_client_helper_uuid,
 111                         "Install", container_uuid)
 112                 """
 113
 114             self._uuid = self.simulation.invoke(apps_uuid, "Get", 0)
 115
 116             if self.has_changed("StartTime"):
 117                 self.simulation.ns3_set(self.uuid, "StartTime", self.get("StartTime"))
 118
 119             if self.has_changed("StopTime"):
 120                 self.simulation.ns3_set(self.uuid, "StopTime", self.get("StopTime"))
 121
 122