#
# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+from nepi.execution.attribute import Attribute, Flags, Types
from nepi.execution.resource import clsinit_copy
from nepi.resources.ns3.ns3base import NS3Base
class NS3BaseNode(NS3Base):
_rtype = "abstract::ns3::Node"
+ def __init__(self, ec, guid):
+ super(NS3BaseNode, self).__init__(ec, guid)
+ self._simulation = None
+ self._node_id = None
+ self._ipv4 = None
+ self._arp = None
+ self._mobility = None
+ self._devices = None
+ self._dceapplications = None
+
+ @classmethod
+ def _register_attributes(cls):
+ enablestack = Attribute("enableStack",
+ "Install network stack in Node, including: ARP, "
+ "IP4, ICMP, UDP and TCP ",
+ type = Types.Bool,
+ default = False,
+ flags = Flags.Design)
+
+ cls._register_attribute(enablestack)
+
@property
def simulation(self):
- from nepi.resources.ns3.ns3simulation import NS3Simulation
- for guid in self.connections:
- rm = self.ec.get_resource(guid)
- if isinstance(rm, NS3Simulation):
- return rm
-
- msg = "Node not connected to simulation"
- self.error(msg)
- raise RuntimeError, msg
-
+ if not self._simulation:
+ from nepi.resources.ns3.ns3simulation import NS3Simulation
+ for guid in self.connections:
+ rm = self.ec.get_resource(guid)
+ if isinstance(rm, NS3Simulation):
+ self._simulation = rm
+
+ if not self._simulation:
+ msg = "Node not connected to simulation"
+ self.error(msg)
+ raise RuntimeError, msg
+
+ return self._simulation
+
@property
def ipv4(self):
- from nepi.resources.ns3.ns3ipv4l3protocol import NS3BaseIpv4L3Protocol
- ipv4s = self.get_connected(NS3BaseIpv4L3Protocol.get_rtype())
- if ipv4s: return ipv4s[0]
- return None
+ if not self._ipv4:
+ from nepi.resources.ns3.ns3ipv4l3protocol import NS3BaseIpv4L3Protocol
+ ipv4s = self.get_connected(NS3BaseIpv4L3Protocol.get_rtype())
+ if ipv4s:
+ self._ipv4 = ipv4s[0]
+
+ return self._ipv4
+
+ @property
+ def arp(self):
+ if not self._arp:
+ from nepi.resources.ns3.ns3arpl3protocol import NS3BaseArpL3Protocol
+ arps = self.get_connected(NS3BaseArpL3Protocol.get_rtype())
+ if arps:
+ self._arp = arps[0]
+
+ return self._arp
@property
def mobility(self):
- from nepi.resources.ns3.ns3mobilitymodel import NS3BaseMobilityModel
- mobility = self.get_connected(NS3BaseMobilityModel.get_rtype())
- if mobility: return mobility[0]
- return None
+ if not self._mobility:
+ from nepi.resources.ns3.ns3mobilitymodel import NS3BaseMobilityModel
+ mobility = self.get_connected(NS3BaseMobilityModel.get_rtype())
+ if mobility:
+ self._mobility = mobility[0]
+
+ return self._mobility
@property
def devices(self):
- from nepi.resources.ns3.ns3netdevice import NS3BaseNetDevice
- devices = self.get_connected(NS3BaseNetDevice.get_rtype())
+ if not self._devices:
+ from nepi.resources.ns3.ns3netdevice import NS3BaseNetDevice
+ devices = self.get_connected(NS3BaseNetDevice.get_rtype())
+
+ if not devices:
+ msg = "Node not connected to devices"
+ self.error(msg)
+ raise RuntimeError, msg
- if not devices:
- msg = "Node not connected to devices"
- self.error(msg)
- raise RuntimeError, msg
+ self._devices = devices
- return devices
+ return self._devices
+
+ @property
+ def node_id(self):
+ return self._node_id
+
+ @property
+ def dceapplications(self):
+ if not self._dceapplications:
+ from nepi.resources.ns3.ns3dceapplication import NS3BaseDceApplication
+ self._dceapplications = self.get_connected(NS3BaseDceApplication.get_rtype())
+
+ return self._dceapplications
@property
def _rms_to_wait(self):
if ipv4:
rms.add(ipv4)
+ arp = self.arp
+ if arp:
+ rms.add(arp)
+
mobility = self.mobility
if mobility:
rms.add(mobility)
return rms
def _configure_object(self):
- ### node.AggregateObject(PacketSocketFactory())
- uuid_packet_socket_factory = self.simulation.create("PacketSocketFactory")
- self.simulation.invoke(self.uuid, "AggregateObject", uuid_packet_socket_factory)
+ if self.get("enableStack"):
+ uuid_stack_helper = self.simulation.create("InternetStackHelper")
+ self.simulation.invoke(uuid_stack_helper, "Install", self.uuid)
+
+ # Retrieve IPV4 object
+ ipv4_uuid = self.simulation.invoke(self.uuid, "retrieveObject",
+ "ns3::Ipv4L3Protocol")
+
+ # Add IPv4 RM to the node
+ ipv4 = self.ec.register_resource("ns3::Ipv4L3Protocol")
+ self.ec.register_connection(self.guid, ipv4)
+ ipv4rm = self.ec.get_resource(ipv4)
+ ipv4rm._uuid = ipv4_uuid
+ ipv4rm.set_started()
+ else:
+ ### node.AggregateObject(PacketSocketFactory())
+ uuid_packet_socket_factory = self.simulation.create("PacketSocketFactory")
+ self.simulation.invoke(self.uuid, "AggregateObject", uuid_packet_socket_factory)
+
+ self._node_id = self.simulation.invoke(self.uuid, "GetId")
+
+ dceapplications = self.dceapplications
+ if dceapplications:
+ self._add_dce(dceapplications)
def _connect_object(self):
- ipv4 = self.ipv4
- if ipv4:
- self.simulation.invoke(self.uuid, "AggregateObject", ipv4.uuid)
+ if not self.get("enableStack"):
+ ipv4 = self.ipv4
+ if ipv4:
+ self.simulation.invoke(self.uuid, "AggregateObject", ipv4.uuid)
+ self._connected.add(ipv4.uuid)
+ ipv4._connected.add(self.uuid)
+
+ arp = self.arp
+ if arp:
+ self.simulation.invoke(self.uuid, "AggregateObject", arp.uuid)
+ self._connected.add(arp.uuid)
+ arp._connected.add(self.uuid)
mobility = self.mobility
if mobility:
self.simulation.invoke(self.uuid, "AggregateObject", mobility.uuid)
+ self._connected.add(mobility.uuid)
+ mobility._connected.add(self.uuid)
+
+ def _add_dce(self, dceapplications):
+ dceapp = dceapplications[0]
+ container_uuid = self.simulation.create("NodeContainer")
+ self.simulation.invoke(container_uuid, "Add", self.uuid)
+ with dceapp.dce_manager_lock:
+ self.simulation.invoke(dceapp.dce_manager_helper_uuid,
+ "Install", container_uuid)