#
# 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 .
#
# Author: Alina Quereilhac
from nepi.execution.resource import ResourceState, clsinit_copy
from nepi.resources.linux.ns3.tuntapfdlink import LinuxTunTapFdLink
import base64
import fcntl
import os
import socket
import struct
@clsinit_copy
class PlanetlabTunTapFdLink(LinuxTunTapFdLink):
""" Interconnects a TAP or TUN PlanetLab device to a FdNetDevice
"""
_rtype = "planetlab::ns3::TunTapFdLink"
def __init__(self, ec, guid):
super(PlanetlabTunTapFdLink, self).__init__(ec, guid)
@property
def fdnetdevice(self):
if not self._fdnetdevice:
from nepi.resources.ns3.ns3fdnetdevice import NS3BaseFdNetDevice
devices = self.get_connected(NS3BaseFdNetDevice.get_rtype())
if not devices or len(devices) != 1:
msg = "planetlab::ns3::TunTapFdLink must be connected to exactly one FdNetDevice"
self.error(msg)
raise RuntimeError(msg)
self._fdnetdevice = devices[0]
# Set PI headers on
self._fdnetdevice.set("EncapsulationMode", "DixPi")
simu = self._fdnetdevice.simulation
from nepi.resources.planetlab.node import PlanetlabNode
nodes = simu.get_connected(PlanetlabNode.get_rtype())
self._fd_node = nodes[0]
return self._fdnetdevice
@property
def tap(self):
if not self._tap:
from nepi.resources.planetlab.tap import PlanetlabTap
devices = self.get_connected(PlanetlabTap.get_rtype())
if not devices or len(devices) != 1:
msg = "planetlab::ns3::TunTapFdLink must be connected to exactly one PlanetlabTap"
self.error(msg)
raise RuntimeError(msg)
self._tap = devices[0]
return self._tap
def upload_sources(self):
scripts = []
# vif-passfd python script
pl_vif_passfd = os.path.join(os.path.dirname(__file__),
"..", "..",
"linux",
"scripts",
"linux-tap-passfd.py")
scripts.append(pl_vif_passfd)
# Upload scripts
scripts = ";".join(scripts)
self.node.upload(scripts,
os.path.join(self.node.src_dir),
overwrite = False)