#!/usr/bin/env python
#
# NEPI, a framework to manage network experiments
# Copyright (C) 2013 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 __future__ import print_function
"""
network topology:
Initial positions. AP is fixed.
+
100m| (30,100) (60,100) (90,100)
| n1 n2 n3
90m|
|
|
60m| (30,60) (60,60) (90,60)
| n4 n5 n6
|
30m|
| (60,0)
| n7 (AP)
+----------------------------+
0 30 60 90 100m
"""
from nepi.execution.ec import ExperimentController
def add_node(ec, simu):
## Add a ns-3 node with its protocol stack
nsnode = ec.register_resource("ns3::Node")
ec.register_connection(nsnode, simu)
ipv4 = ec.register_resource("ns3::Ipv4L3Protocol")
ec.register_connection(nsnode, ipv4)
arp = ec.register_resource("ns3::ArpL3Protocol")
ec.register_connection(nsnode, arp)
icmp = ec.register_resource("ns3::Icmpv4L4Protocol")
ec.register_connection(nsnode, icmp)
return nsnode
def add_wifi_device(ec, node, ip, prefix, access_point = False):
dev = ec.register_resource("ns3::WifiNetDevice")
ec.set(dev, "ip", ip)
ec.set(dev, "prefix", prefix)
ec.register_connection(node, dev)
phy = ec.register_resource("ns3::YansWifiPhy")
ec.set(phy, "Standard", "WIFI_PHY_STANDARD_80211a")
ec.register_connection(dev, phy)
error = ec.register_resource("ns3::NistErrorRateModel")
ec.register_connection(phy, error)
manager = ec.register_resource("ns3::ArfWifiManager")
ec.register_connection(dev, manager)
if access_point:
mac = ec.register_resource("ns3::ApWifiMac")
else:
mac = ec.register_resource("ns3::StaWifiMac")
ec.set(mac, "Standard", "WIFI_PHY_STANDARD_80211a")
ec.register_connection(dev, mac)
return dev, phy
def add_random_mobility(ec, node, x, y, z, speed, bounds_width,
bounds_height):
position = "%d:%d:%d" % (x, y, z)
bounds = "0|%d|0|%d" % (bounds_width, bounds_height)
speed = "ns3::UniformRandomVariable[Min=%d|Max=%s]" % (speed, speed)
pause = "ns3::ConstantRandomVariable[Constant=1.0]"
mobility = ec.register_resource("ns3::RandomDirection2dMobilityModel")
ec.set(mobility, "Position", position)
ec.set(mobility, "Bounds", bounds)
ec.set(mobility, "Speed", speed)
ec.set(mobility, "Pause", pause)
ec.register_connection(node, mobility)
return mobility
def add_constant_mobility(ec, node, x, y, z):
mobility = ec.register_resource("ns3::ConstantPositionMobilityModel")
position = "%d:%d:%d" % (x, y, z)
ec.set(mobility, "Position", position)
ec.register_connection(node, mobility)
return mobility
def add_wifi_channel(ec):
channel = ec.register_resource("ns3::YansWifiChannel")
delay = ec.register_resource("ns3::ConstantSpeedPropagationDelayModel")
ec.register_connection(channel, delay)
loss = ec.register_resource("ns3::LogDistancePropagationLossModel")
ec.register_connection(channel, loss)
return channel
bounds_width = bounds_height = 100
speed = 1
ec = ExperimentController(exp_id = "ns3-wifi-ping")
# Simulation will run in a remote machine
node = ec.register_resource("linux::Node")
ec.set(node, "hostname", "localhost")
# Add a simulation resource
simu = ec.register_resource("linux::ns3::Simulation")
ec.set(simu, "verbose", True)
ec.set(simu, "enableDump", True)
ec.set (simu, "StopTime", "22s")
ec.register_connection(simu, node)
x = 30
y = 100
nsnode1 = add_node(ec, simu)
dev1, phy1 = add_wifi_device(ec, nsnode1, "10.0.0.1", "24", access_point = False)
mobility1 = add_random_mobility(ec, nsnode1, x, y, 0, speed, bounds_width, bounds_height)
x = 60
y = 100
nsnode2 = add_node(ec, simu)
dev2, phy2 = add_wifi_device(ec, nsnode2, "10.0.0.2", "24", access_point = False)
mobility2 = add_random_mobility(ec, nsnode2, x, y, 0, speed, bounds_width, bounds_height)
x = 90
y = 100
nsnode3 = add_node(ec, simu)
dev3, phy3 = add_wifi_device(ec, nsnode3, "10.0.0.3", "24", access_point = False)
mobility3 = add_random_mobility(ec, nsnode3, x, y, 0, speed, bounds_width, bounds_height)
x = 30
y = 60
nsnode4 = add_node(ec, simu)
dev4, phy4 = add_wifi_device(ec, nsnode4, "10.0.0.4", "24", access_point = False)
mobility4 = add_random_mobility(ec, nsnode4, x, y, 0, speed, bounds_width, bounds_height)
x = 60
y = 60
nsnode5 = add_node(ec, simu)
dev5, phy5 = add_wifi_device(ec, nsnode5, "10.0.0.5", "24", access_point = False)
mobility5 = add_random_mobility(ec, nsnode5, x, y, 0, speed, bounds_width, bounds_height)
x = 90
y = 60
nsnode6 = add_node(ec, simu)
dev6, phy6 = add_wifi_device(ec, nsnode6, "10.0.0.6", "24", access_point = False)
mobility6 = add_random_mobility(ec, nsnode6, x, y, 0, speed, bounds_width, bounds_height)
x = 60
y = 0
nsnode7 = add_node(ec, simu)
dev7, phy7 = add_wifi_device(ec, nsnode7, "10.0.0.7", "24", access_point = True)
mobility7 = add_constant_mobility(ec, nsnode7, x, y, 0)
# Create channel
chan = add_wifi_channel(ec)
ec.register_connection(chan, phy1)
ec.register_connection(chan, phy2)
ec.register_connection(chan, phy3)
ec.register_connection(chan, phy4)
ec.register_connection(chan, phy5)
ec.register_connection(chan, phy6)
ec.register_connection(chan, phy7)
### create pinger
ping = ec.register_resource("ns3::V4Ping")
ec.set (ping, "Remote", "10.0.0.6")
ec.set (ping, "Interval", "1s")
ec.set (ping, "Verbose", True)
ec.set (ping, "StartTime", "1s")
ec.set (ping, "StopTime", "21s")
ec.register_connection(ping, nsnode1)
ec.deploy()
ec.wait_finished([ping])
stdout = ec.trace(simu, "stdout")
ec.shutdown()
print("PING OUTPUT", stdout)