--- /dev/null
+#
+# NEPI, a framework to manage network experiments
+# Copyright (C) 2014 INRIA
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation;
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+
+from nepi.execution.attribute import Attribute, Flags, Types
+from nepi.execution.resource import clsinit_copy, ResourceState
+from nepi.resources.ns3.ns3application import NS3BaseApplication
+from nepi.execution.trace import TraceAttr
+
+from nepi.resources.ns3.ns3wrapper import SIMULATOR_UUID
+
+import os
+import time
+import threading
+
+@clsinit_copy
+class NS3BaseDceApplication(NS3BaseApplication):
+ _rtype = "abstract::ns3::DceApplication"
+
+ @classmethod
+ def _register_attributes(cls):
+ binary = Attribute("binary",
+ "Name of binary to execute",
+ flags = Flags.Design)
+
+ stack_size = Attribute("stackSize",
+ "Stack Size for DCE",
+ type = Types.Integer,
+ default = 1<<20,
+ flags = Flags.Design)
+
+ arguments = Attribute("arguments",
+ "Semi-colon separated list of arguments for the application",
+ flags = Flags.Design)
+
+ environment = Attribute("environment",
+ "Semi-colon separated list of 'key=value' pairs to set as "
+ "DCE environment variables.",
+ flags = Flags.Design)
+
+ use_dlm = Attribute("useDlmLoader",
+ "Use ns3::DlmLoaderFactory as library loader",
+ type = Types.Bool,
+ flags = Flags.Design)
+
+ starttime = Attribute("StartTime",
+ "Time at which the application will start",
+ default = "+0.0ns",
+ flags = Flags.Reserved | Flags.Construct)
+
+ stoptime = Attribute("StopTime",
+ "Time at which the application will stop",
+ default = "+0.0ns",
+ flags = Flags.Reserved | Flags.Construct)
+
+ cls._register_attribute(binary)
+ cls._register_attribute(stack_size)
+ cls._register_attribute(arguments)
+ cls._register_attribute(environment)
+ cls._register_attribute(use_dlm)
+ cls._register_attribute(stoptime)
+ cls._register_attribute(starttime)
+
+ def __init__(self, ec, guid):
+ super(NS3BaseDceApplication, self).__init__(ec, guid)
+ self._pid = None
+
+ @property
+ def pid(self):
+ return self._pid
+
+ def _instantiate_object(self):
+ pass
+
+ def _connect_object(self):
+ node = self.node
+ if node.uuid not in self.connected:
+ self._connected.add(node.uuid)
+
+ # Preventing concurrent access to the DceApplicationHelper
+ # from different DceApplication RMs
+ dce_helper = self.simulation.dce_helper
+
+ with dce_helper.dce_application_lock:
+ dce_app_uuid = dce_helper.dce_application_uuid
+
+ self.simulation.invoke(dce_app_uuid, "ResetArguments")
+
+ self.simulation.invoke(dce_app_uuid, "ResetEnvironment")
+
+ self.simulation.invoke(dce_app_uuid,
+ "SetBinary", self.get("binary"))
+
+ self.simulation.invoke(dce_app_uuid,
+ "SetStackSize", self.get("stackSize"))
+
+ arguments = self.get("arguments")
+ if arguments:
+ for arg in map(str.strip, arguments.split(";")):
+ self.simulation.invoke(dce_app_uuid,
+ "AddArgument", arg)
+
+ environment = self.get("environment")
+ if environment:
+ for env in map(str.strip, environment.split(";")):
+ key, val = env.split("=")
+ self.simulation.invoke(dce_app_uuid,
+ "AddEnvironment", key, val)
+
+ apps_uuid = self.simulation.invoke(dce_app_uuid,
+ "InstallInNode", self.node.uuid)
+
+ self._uuid = self.simulation.invoke(apps_uuid, "Get", 0)
+
+ if self.has_changed("StartTime"):
+ self.simulation.ns3_set(self.uuid, "StartTime", self.get("StartTime"))
+
+ if self.has_changed("StopTime"):
+ self.simulation.ns3_set(self.uuid, "StopTime", self.get("StopTime"))
+
+ def do_stop(self):
+ if self.state == ResourceState.STARTED:
+ # No need to do anything, simulation.Destroy() will stop every object
+ self.info("Stopping command '%s'" % command)
+ self.simulation.invoke(self.uuid, "Stop")
+ self.set_stopped()
+
+ def do_start(self):
+ if self.simulation.state < ResourceState.STARTED:
+ self.debug("---- RESCHEDULING START ----" )
+ self.ec.schedule(self.reschedule_delay, self.start)
+ else:
+ is_app_started = self.simulation.invoke(self.uuid, "isAppStarted")
+
+ if is_app_started or self.simulation.state > ResourceState.STARTED:
+ super(NS3BaseApplication, self).do_start()
+ self._start_time = self.simulation.start_time
+ else:
+ # Reschedule until dce application is actually started
+ self.debug("---- RESCHEDULING START ----" )
+ self.ec.schedule(self.reschedule_delay, self.start)
+
+ def trace(self, name, attr = TraceAttr.ALL, block = 512, offset = 0):
+ self._configure_traces()
+ return super(NS3BaseDceApplication, self).trace(name, attr = attr,
+ block = block, offset = offset)
+
+ def _configure_traces(self):
+ if self.pid is not None:
+ return
+
+ # Using lock to prevent concurrent access to the DceApplicationHelper
+ # from different DceApplication RMs
+ dce_helper = self.simulation.dce_helper
+
+ with dce_helper.dce_application_lock:
+ dce_app_uuid = dce_helper.dce_application_uuid
+
+ self._pid = self.simulation.invoke(dce_app_uuid,
+ "GetPid", self.uuid)
+
+ node_id = self.node.node_id
+ self._trace_filename["stdout"] = "files-%s/var/log/%s/stdout" % (node_id, self.pid)
+ self._trace_filename["stderr"] = "files-%s/var/log/%s/stderr" % (node_id, self.pid)
+ self._trace_filename["status"] = "files-%s/var/log/%s/status" % (node_id, self.pid)
+ self._trace_filename["cmdline"] = "files-%s/var/log/%s/cmdline" % (node_id, self.pid)
+
+
git://git.onelab.eu / nepi.git / blobdiff