def _add_onoff_app(self, start_time, end_time, local, remote, on_time,
off_time, data_rate, sport, dport):
"""add one ns3 onoff application to the network
"""
# ignore the network prefix length if there is
if '/' in remote: remote = remote.rsplit('/')[0]
if '/' in local: local = local.rsplit('/')[0]
### Install OnOff Application ###
socketType = "ns3::UdpSocketFactory"
# socketType = "ns3::TcpSocketFactory"
helper = ns3.OnOffHelper(socketType,
ns3.InetSocketAddress(remote, dport))
helper.SetAttribute("StartTime",
ns3.TimeValue(ns3.Time(str(start_time) + 's')))
helper.SetAttribute("StopTime",
ns3.TimeValue(ns3.Time(str(end_time) + 's')))
# helper.SetAttribute("Remote", ns3.AddressValue(ns3.Ipv4Address(remote)))
local_inet = ns3.InetSocketAddress(local, sport)
helper.SetAttribute("Local", ns3.AddressValue(local_inet))
helper.SetAttribute("DataRate",
ns3.StringValue(str(data_rate) + 'b/s'))
helper.SetAttribute("OnTime",
ns3.RandomVariableValue(on_time.to_ns3()))
helper.SetAttribute("OffTime",
ns3.RandomVariableValue(off_time.to_ns3()))
print('local, ', local)
local_node = self.net.search_node(local)
helper.Install(local_node)
### Install Sink Application ####
sinkLocalAddress = ns3.Address(
ns3.InetSocketAddress(ns3.Ipv4Address.GetAny(), dport))
sinkHelper = ns3.PacketSinkHelper(socketType, sinkLocalAddress)
helper.SetAttribute("StartTime",
ns3.TimeValue(ns3.Time(str(start_time) + 's')))
helper.SetAttribute("StopTime",
ns3.TimeValue(ns3.Time(str(end_time) + 's')))
remote_node = self.net.search_node(remote)
print('remote, ', remote)
sinkHelper.Install(remote_node)
print("""add an onoff application with
start_time: %f
end_time: %f
local: %s,
remote: %s,
on_time: %s,
off_time: %s""" %
(start_time, end_time, local, remote, on_time, off_time))
def onoff_app(network,
client_node,
server_node,
server_device,
start,
stop,
rate,
port=9,
packet_size=1024,
access_class=None,
ontime=1,
offtime=0):
"""Set up a OnOff client + sink server."""
server = network.nodes[server_node]
assert server_device in server.devices, \
"Device '%s' not found, available: %s" % (server_device, ", ".join(server.devices))
server_address = server.devices[server_device].interfaces[0].address
local_address = ns3.InetSocketAddress(ns3.Ipv4Address.GetAny(), port)
sink_helper = ns3.PacketSinkHelper("ns3::UdpSocketFactory", local_address)
server_apps = sink_helper.Install(server.ns3_node)
server_apps.Start(ns3.Seconds(start))
server_apps.Stop(ns3.Seconds(stop))
client = network.nodes[client_node]
remote_address = ns3.InetSocketAddress(server_address, port)
onoff_helper = ns3.OnOffHelper("ns3::UdpSocketFactory", ns3.Address())
onoff_helper.SetAttribute(
"OnTime", ns3.RandomVariableValue(ns3.ConstantVariable(ontime)))
onoff_helper.SetAttribute(
"OffTime", ns3.RandomVariableValue(ns3.ConstantVariable(offtime)))
onoff_helper.SetAttribute("DataRate",
ns3.DataRateValue(ns3.DataRate(rate)))
onoff_helper.SetAttribute("PacketSize", ns3.UintegerValue(packet_size))
onoff_helper.SetAttribute("Remote", ns3.AddressValue(remote_address))
# Set QoS Access Class -> Tid
# Note that this only works with a patched OnOffApplication with QosTid attribute
if access_class is not None:
access_class_to_qos_tid = {
"ac_vo": 6, # AC_VO (Tid: 6, 7)
"ac_vi": 4, # AC_VI (Tid: 4, 5)
"ac_be": 0, # AC_BE (Tid: 0)
"ac_bk": 1, # AC_BK (Tid: 1, 2)
"ac_be_nqos": 3, # AC_BE_NQOS (Tid: 3)
}
qos_tid = access_class_to_qos_tid[access_class.lower()]
onoff_helper.SetAttribute("QosTid", ns3.UintegerValue(qos_tid))
client_apps = onoff_helper.Install(client.ns3_node)
client_apps.Start(ns3.Seconds(start))
client_apps.Stop(ns3.Seconds(stop))
def connect(self, sock, addr_port):
"""Will set Connect callback function. If succeeded, self.recv will be called. otherwise
the sock will be closed"""
server_addr = self._search_server_addr(addr_port[0])
print 'addr_port, ', addr_port
print 'server_addr, ', server_addr
print 'serval local, ', self.server_addr_set[0].GetLocal()
# import pdb;pdb.set_trace()
assert (str(server_addr) == str(self.server_addr_set[0].GetLocal()))
# import pdb;pdb.set_trace()
inetAddr = ns3.InetSocketAddress(
server_addr,
# self.server_addr_set[0].GetLocal(), # connect to first server
addr_port[1])
def connect_succeeded(sock):
print 'Node [%s] connect succeeded' % (self.name)
self.logger.debug('Node [%s] connect succeeded' % (self.name))
# self.recv(sock, 512, self.dispatcher)
self.after(0, self.recv, sock, 512, self.dispatcher)
def connect_failed(sock):
self.logger.debug('Node [%s] connect failed' % (self.name))
self.close_sock(sock)
sock.SetConnectCallback(connect_succeeded, connect_failed)
ret = sock.Connect(inetAddr)
if ret == -1:
print 'node [%s] cannot connect to server' % (self.name)
# raise Exception('node [%s] cannot connect to server'%(self.name) )
print 'node %s connected to server' % (self.name)
def bind(self, sock, addr_port):
self.logger.debug('Node [%s] start to bind to %s' %
(self.name, addr_port))
addr = self._search_server_addr(addr_port[0])
# import pdb;pdb.set_trace()
dst = ns3.InetSocketAddress(addr, addr_port[1])
# dst = ns3.InetSocketAddress (ns3.Ipv4Address('10.0.1.1'), addr_port[1])
sock.Bind(dst)
def testSocket(self):
node = ns3.Node()
internet = ns3.InternetStackHelper()
internet.Install(node)
self._received_packet = None
def rx_callback(socket):
assert self._received_packet is None
self._received_packet = socket.Recv()
sink = ns3.Socket.CreateSocket(node, ns3.TypeId.LookupByName("ns3::UdpSocketFactory"))
sink.Bind(ns3.InetSocketAddress(ns3.Ipv4Address.GetAny(), 80))
sink.SetRecvCallback(rx_callback)
source = ns3.Socket.CreateSocket(node, ns3.TypeId.LookupByName("ns3::UdpSocketFactory"))
source.SendTo(ns3.Packet(19), 0, ns3.InetSocketAddress(ns3.Ipv4Address("127.0.0.1"), 80))
ns3.Simulator.Run()
self.assert_(self._received_packet is not None)
self.assertEqual(self._received_packet.GetSize(), 19)
def main(argv):
#
# First, we declare and initialize a few local variables that control some
# simulation parameters.
#
backboneNodes = 10
infraNodes = 5
lanNodes = 5
stopTime = 10
#
# Simulation defaults are typically set next, before command line
# arguments are parsed.
#
ns3.Config.SetDefault("ns3::OnOffApplication::PacketSize",
ns3.StringValue("210"))
ns3.Config.SetDefault("ns3::OnOffApplication::DataRate",
ns3.StringValue("448kb/s"))
#
# For convenience, we add the local variables to the command line argument
# system so that they can be overridden with flags such as
# "--backboneNodes=20"
#
cmd = ns3.CommandLine()
#cmd.AddValue("backboneNodes", "number of backbone nodes", backboneNodes)
#cmd.AddValue("infraNodes", "number of leaf nodes", infraNodes)
#cmd.AddValue("lanNodes", "number of LAN nodes", lanNodes)
#cmd.AddValue("stopTime", "simulation stop time(seconds)", stopTime)
#
# The system global variables and the local values added to the argument
# system can be overridden by command line arguments by using this call.
#
cmd.Parse(argv)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the backbone #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
#
# Create a container to manage the nodes of the adhoc(backbone) network.
# Later we'll create the rest of the nodes we'll need.
#
backbone = ns3.NodeContainer()
backbone.Create(backboneNodes)
#
# Create the backbone wifi net devices and install them into the nodes in
# our container
#
wifi = ns3.WifiHelper()
mac = ns3.NqosWifiMacHelper.Default()
mac.SetType("ns3::AdhocWifiMac")
wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager", "DataMode",
ns3.StringValue("OfdmRate54Mbps"))
wifiPhy = ns3.YansWifiPhyHelper.Default()
wifiChannel = ns3.YansWifiChannelHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
backboneDevices = wifi.Install(wifiPhy, mac, backbone)
#
# Add the IPv4 protocol stack to the nodes in our container
#
print "Enabling OLSR routing on all backbone nodes"
internet = ns3.InternetStackHelper()
olsr = ns3.OlsrHelper()
internet.SetRoutingHelper(olsr)
internet.Install(backbone)
# re-initialize for non-olsr routing.
internet.Reset()
#
# Assign IPv4 addresses to the device drivers(actually to the associated
# IPv4 interfaces) we just created.
#
ipAddrs = ns3.Ipv4AddressHelper()
ipAddrs.SetBase(ns3.Ipv4Address("192.168.0.0"),
ns3.Ipv4Mask("255.255.255.0"))
ipAddrs.Assign(backboneDevices)
#
# The ad-hoc network nodes need a mobility model so we aggregate one to
# each of the nodes we just finished building.
#
mobility = ns3.MobilityHelper()
positionAlloc = ns3.ListPositionAllocator()
x = 0.0
for i in range(backboneNodes):
positionAlloc.Add(ns3.Vector(x, 0.0, 0.0))
x += 5.0
mobility.SetPositionAllocator(positionAlloc)
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns3.RectangleValue(ns3.Rectangle(0, 1000, 0, 1000)), "Speed",
ns3.RandomVariableValue(ns3.ConstantVariable(2000)), "Pause",
ns3.RandomVariableValue(ns3.ConstantVariable(0.2)))
mobility.Install(backbone)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the LANs #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Reset the address base-- all of the CSMA networks will be in
# the "172.16 address space
ipAddrs.SetBase(ns3.Ipv4Address("172.16.0.0"),
ns3.Ipv4Mask("255.255.255.0"))
for i in range(backboneNodes):
print "Configuring local area network for backbone node ", i
#
# Create a container to manage the nodes of the LAN. We need
# two containers here; one with all of the new nodes, and one
# with all of the nodes including new and existing nodes
#
newLanNodes = ns3.NodeContainer()
newLanNodes.Create(lanNodes - 1)
# Now, create the container with all nodes on this link
lan = ns3.NodeContainer(ns3.NodeContainer(backbone.Get(i)),
newLanNodes)
#
# Create the CSMA net devices and install them into the nodes in our
# collection.
#
csma = ns3.CsmaHelper()
csma.SetChannelAttribute("DataRate",
ns3.DataRateValue(ns3.DataRate(5000000)))
csma.SetChannelAttribute("Delay", ns3.TimeValue(ns3.MilliSeconds(2)))
lanDevices = csma.Install(lan)
#
# Add the IPv4 protocol stack to the new LAN nodes
#
internet.Install(newLanNodes)
#
# Assign IPv4 addresses to the device drivers(actually to the
# associated IPv4 interfaces) we just created.
#
ipAddrs.Assign(lanDevices)
#
# Assign a new network prefix for the next LAN, according to the
# network mask initialized above
#
ipAddrs.NewNetwork()
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the mobile networks #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Reset the address base-- all of the 802.11 networks will be in
# the "10.0" address space
ipAddrs.SetBase(ns3.Ipv4Address("10.0.0.0"), ns3.Ipv4Mask("255.255.255.0"))
for i in range(backboneNodes):
print "Configuring wireless network for backbone node ", i
#
# Create a container to manage the nodes of the LAN. We need
# two containers here; one with all of the new nodes, and one
# with all of the nodes including new and existing nodes
#
stas = ns3.NodeContainer()
stas.Create(infraNodes - 1)
# Now, create the container with all nodes on this link
infra = ns3.NodeContainer(ns3.NodeContainer(backbone.Get(i)), stas)
#
# Create another ad hoc network and devices
#
ssid = ns3.Ssid('wifi-infra' + str(i))
wifiInfra = ns3.WifiHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
wifiInfra.SetRemoteStationManager('ns3::ArfWifiManager')
macInfra = ns3.NqosWifiMacHelper.Default()
macInfra.SetType("ns3::NqstaWifiMac", "Ssid", ns3.SsidValue(ssid),
"ActiveProbing", ns3.BooleanValue(False))
# setup stas
staDevices = wifiInfra.Install(wifiPhy, macInfra, stas)
# setup ap.
macInfra.SetType("ns3::NqapWifiMac", "Ssid",
ns3.SsidValue(ssid), "BeaconGeneration",
ns3.BooleanValue(True), "BeaconInterval",
ns3.TimeValue(ns3.Seconds(2.5)))
apDevices = wifiInfra.Install(wifiPhy, macInfra, backbone.Get(i))
# Collect all of these new devices
infraDevices = ns3.NetDeviceContainer(apDevices, staDevices)
# Add the IPv4 protocol stack to the nodes in our container
#
internet.Install(stas)
#
# Assign IPv4 addresses to the device drivers(actually to the associated
# IPv4 interfaces) we just created.
#
ipAddrs.Assign(infraDevices)
#
# Assign a new network prefix for each mobile network, according to
# the network mask initialized above
#
ipAddrs.NewNetwork()
#
# The new wireless nodes need a mobility model so we aggregate one
# to each of the nodes we just finished building.
#
subnetAlloc = ns3.ListPositionAllocator()
for j in range(infra.GetN()):
subnetAlloc.Add(ns3.Vector(0.0, j, 0.0))
mobility.PushReferenceMobilityModel(backbone.Get(i))
mobility.SetPositionAllocator(subnetAlloc)
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns3.RectangleValue(ns3.Rectangle(-25, 25, -25, 25)), "Speed",
ns3.RandomVariableValue(ns3.ConstantVariable(30)), "Pause",
ns3.RandomVariableValue(ns3.ConstantVariable(0.4)))
mobility.Install(infra)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Application configuration #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Create the OnOff application to send UDP datagrams of size
# 210 bytes at a rate of 448 Kb/s, between two nodes
print "Create Applications."
port = 9 # Discard port(RFC 863)
# Let's make sure that the user does not define too few LAN nodes
# to make this example work. We need lanNodes >= 5
assert (lanNodes >= 5)
appSource = ns3.NodeList.GetNode(11)
appSink = ns3.NodeList.GetNode(13)
remoteAddr = ns3.Ipv4Address("172.16.0.5")
onoff = ns3.OnOffHelper(
"ns3::UdpSocketFactory",
ns3.Address(ns3.InetSocketAddress(remoteAddr, port)))
onoff.SetAttribute("OnTime",
ns3.RandomVariableValue(ns3.ConstantVariable(1)))
onoff.SetAttribute("OffTime",
ns3.RandomVariableValue(ns3.ConstantVariable(0)))
apps = onoff.Install(ns3.NodeContainer(appSource))
apps.Start(ns3.Seconds(3.0))
apps.Stop(ns3.Seconds(20.0))
# Create a packet sink to receive these packets
sink = ns3.PacketSinkHelper(
"ns3::UdpSocketFactory",
ns3.InetSocketAddress(ns3.Ipv4Address.GetAny(), port))
apps = sink.Install(ns3.NodeContainer(appSink))
apps.Start(ns3.Seconds(3.0))
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Tracing configuration #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
print "Configure Tracing."
#
# Let's set up some ns-2-like ascii traces, using another helper class
#
#std.ofstream ascii
#ascii = ns3.AsciiTraceHelper();
#stream = ascii.CreateFileStream("mixed-wireless.tr");
#wifiPhy.EnableAsciiAll(stream);
#csma.EnableAsciiAll(stream);
print "(tracing not done for Python)"
# Look at nodes 11, 13 only
# WifiHelper.EnableAscii(ascii, 11, 0);
# WifiHelper.EnableAscii(ascii, 13, 0);
# Let's do a pcap trace on the backbone devices
wifiPhy.EnablePcap("mixed-wireless", backboneDevices)
# Let's additionally trace the application Sink, ifIndex 0
csma = ns3.CsmaHelper()
csma.EnablePcapAll("mixed-wireless", False)
# #ifdef ENABLE_FOR_TRACING_EXAMPLE
# Config.Connect("/NodeList/*/$MobilityModel/CourseChange",
# MakeCallback(&CourseChangeCallback))
# #endif
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# #
# Run simulation #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
print "Run Simulation."
ns3.Simulator.Stop(ns3.Seconds(stopTime))
ns3.Simulator.Run()
ns3.Simulator.Destroy()
def main(argv):
#
# Allow the user to override any of the defaults and the above Bind() at
# run-time, via command-line arguments
#
cmd = ns3.CommandLine()
cmd.Parse(argv)
#
# Explicitly create the nodes required by the topology(shown above).
#
#print "Create nodes."
terminals = ns3.NodeContainer()
terminals.Create(4)
csmaSwitch = ns3.NodeContainer()
csmaSwitch.Create(1)
#print "Build Topology"
csma = ns3.CsmaHelper()
csma.SetChannelAttribute("DataRate",
ns3.DataRateValue(ns3.DataRate(5000000)))
csma.SetChannelAttribute("Delay", ns3.TimeValue(ns3.MilliSeconds(2)))
# Create the csma links, from each terminal to the switch
terminalDevices = ns3.NetDeviceContainer()
switchDevices = ns3.NetDeviceContainer()
for i in range(4):
link = csma.Install(
ns3.NodeContainer(ns3.NodeContainer(terminals.Get(i)), csmaSwitch))
terminalDevices.Add(link.Get(0))
switchDevices.Add(link.Get(1))
# Create the bridge netdevice, which will do the packet switching
switchNode = csmaSwitch.Get(0)
bridgeDevice = ns3.BridgeNetDevice()
switchNode.AddDevice(bridgeDevice)
for portIter in range(switchDevices.GetN()):
bridgeDevice.AddBridgePort(switchDevices.Get(portIter))
# Add internet stack to the terminals
internet = ns3.InternetStackHelper()
internet.Install(terminals)
# We've got the "hardware" in place. Now we need to add IP addresses.
#
#print "Assign IP Addresses."
ipv4 = ns3.Ipv4AddressHelper()
ipv4.SetBase(ns3.Ipv4Address("10.1.1.0"), ns3.Ipv4Mask("255.255.255.0"))
ipv4.Assign(terminalDevices)
#
# Create an OnOff application to send UDP datagrams from node zero to node 1.
#
#print "Create Applications."
port = 9 # Discard port(RFC 863)
onoff = ns3.OnOffHelper(
"ns3::UdpSocketFactory",
ns3.Address(ns3.InetSocketAddress(ns3.Ipv4Address("10.1.1.2"), port)))
onoff.SetAttribute("OnTime",
ns3.RandomVariableValue(ns3.ConstantVariable(1)))
onoff.SetAttribute("OffTime",
ns3.RandomVariableValue(ns3.ConstantVariable(0)))
app = onoff.Install(ns3.NodeContainer(terminals.Get(0)))
# Start the application
app.Start(ns3.Seconds(1.0))
app.Stop(ns3.Seconds(10.0))
# Create an optional packet sink to receive these packets
sink = ns3.PacketSinkHelper(
"ns3::UdpSocketFactory",
ns3.Address(ns3.InetSocketAddress(ns3.Ipv4Address.GetAny(), port)))
app = sink.Install(ns3.NodeContainer(terminals.Get(1)))
app.Start(ns3.Seconds(0.0))
#
# Create a similar flow from n3 to n0, starting at time 1.1 seconds
#
onoff.SetAttribute(
"Remote",
ns3.AddressValue(
ns3.InetSocketAddress(ns3.Ipv4Address("10.1.1.1"), port)))
app = onoff.Install(ns3.NodeContainer(terminals.Get(3)))
app.Start(ns3.Seconds(1.1))
app.Stop(ns3.Seconds(10.0))
app = sink.Install(ns3.NodeContainer(terminals.Get(0)))
app.Start(ns3.Seconds(0.0))
#
# Configure tracing of all enqueue, dequeue, and NetDevice receive events.
# Trace output will be sent to the file "csma-bridge.tr"
#
#print "Configure Tracing."
#ascii = ns3.AsciiTraceHelper();
#csma.EnableAsciiAll(ascii.CreateFileStream ("csma-bridge.tr"));
#
# Also configure some tcpdump traces; each interface will be traced.
# The output files will be named:
# csma-bridge.pcap-<nodeId>-<interfaceId>
# and can be read by the "tcpdump -r" command(use "-tt" option to
# display timestamps correctly)
#
csma.EnablePcapAll("csma-bridge", False)
#
# Now, do the actual simulation.
#
#print "Run Simulation."
ns3.Simulator.Run()
ns3.Simulator.Destroy()
def main(argv):
cmd = ns3.CommandLine()
cmd.NumNodesSide = None
cmd.AddValue(
"NumNodesSide",
"Grid side number of nodes (total number of nodes will be this number squared)"
)
cmd.Results = None
cmd.AddValue("Results", "Write XML results to file")
cmd.Plot = None
cmd.AddValue("Plot", "Plot the results using the matplotlib python module")
cmd.Parse(argv)
wifi = ns3.WifiHelper.Default()
wifiMac = ns3.NqosWifiMacHelper.Default()
wifiPhy = ns3.YansWifiPhyHelper.Default()
wifiChannel = ns3.YansWifiChannelHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
ssid = ns3.Ssid("wifi-default")
wifi.SetRemoteStationManager("ns3::ArfWifiManager")
wifiMac.SetType("ns3::AdhocWifiMac", "Ssid", ns3.SsidValue(ssid))
internet = ns3.InternetStackHelper()
list_routing = ns3.Ipv4ListRoutingHelper()
olsr_routing = ns3.OlsrHelper()
static_routing = ns3.Ipv4StaticRoutingHelper()
list_routing.Add(static_routing, 0)
list_routing.Add(olsr_routing, 100)
internet.SetRoutingHelper(list_routing)
ipv4Addresses = ns3.Ipv4AddressHelper()
ipv4Addresses.SetBase(ns3.Ipv4Address("10.0.0.0"),
ns3.Ipv4Mask("255.255.255.0"))
port = 9 # Discard port(RFC 863)
onOffHelper = ns3.OnOffHelper(
"ns3::UdpSocketFactory",
ns3.Address(ns3.InetSocketAddress(ns3.Ipv4Address("10.0.0.1"), port)))
onOffHelper.SetAttribute("DataRate",
ns3.DataRateValue(ns3.DataRate("100kbps")))
onOffHelper.SetAttribute("OnTime",
ns3.RandomVariableValue(ns3.ConstantVariable(1)))
onOffHelper.SetAttribute("OffTime",
ns3.RandomVariableValue(ns3.ConstantVariable(0)))
addresses = []
nodes = []
if cmd.NumNodesSide is None:
num_nodes_side = NUM_NODES_SIDE
else:
num_nodes_side = int(cmd.NumNodesSide)
for xi in range(num_nodes_side):
for yi in range(num_nodes_side):
node = ns3.Node()
nodes.append(node)
internet.Install(ns3.NodeContainer(node))
mobility = ns3.ConstantPositionMobilityModel()
mobility.SetPosition(ns3.Vector(xi * DISTANCE, yi * DISTANCE, 0))
node.AggregateObject(mobility)
devices = wifi.Install(wifiPhy, wifiMac, node)
ipv4_interfaces = ipv4Addresses.Assign(devices)
addresses.append(ipv4_interfaces.GetAddress(0))
for i, node in enumerate(nodes):
destaddr = addresses[(len(addresses) - 1 - i) % len(addresses)]
#print i, destaddr
onOffHelper.SetAttribute(
"Remote", ns3.AddressValue(ns3.InetSocketAddress(destaddr, port)))
app = onOffHelper.Install(ns3.NodeContainer(node))
app.Start(ns3.Seconds(ns3.UniformVariable(20, 30).GetValue()))
#internet.EnablePcapAll("wifi-olsr")
flowmon_helper = ns3.FlowMonitorHelper()
#flowmon_helper.SetMonitorAttribute("StartTime", ns3.TimeValue(ns3.Seconds(31)))
monitor = flowmon_helper.InstallAll()
monitor.SetAttribute("DelayBinWidth", ns3.DoubleValue(0.001))
monitor.SetAttribute("JitterBinWidth", ns3.DoubleValue(0.001))
monitor.SetAttribute("PacketSizeBinWidth", ns3.DoubleValue(20))
ns3.Simulator.Stop(ns3.Seconds(44.0))
ns3.Simulator.Run()
def print_stats(os, st):
print >> os, " Tx Bytes: ", st.txBytes
print >> os, " Rx Bytes: ", st.rxBytes
print >> os, " Tx Packets: ", st.txPackets
print >> os, " Rx Packets: ", st.rxPackets
print >> os, " Lost Packets: ", st.lostPackets
if st.rxPackets > 0:
print >> os, " Mean{Delay}: ", (st.delaySum.GetSeconds() /
st.rxPackets)
print >> os, " Mean{Jitter}: ", (st.jitterSum.GetSeconds() /
(st.rxPackets - 1))
print >> os, " Mean{Hop Count}: ", float(
st.timesForwarded) / st.rxPackets + 1
if 0:
print >> os, "Delay Histogram"
for i in range(st.delayHistogram.GetNBins()):
print >> os, " ",i,"(", st.delayHistogram.GetBinStart (i), "-", \
st.delayHistogram.GetBinEnd (i), "): ", st.delayHistogram.GetBinCount (i)
print >> os, "Jitter Histogram"
for i in range(st.jitterHistogram.GetNBins()):
print >> os, " ",i,"(", st.jitterHistogram.GetBinStart (i), "-", \
st.jitterHistogram.GetBinEnd (i), "): ", st.jitterHistogram.GetBinCount (i)
print >> os, "PacketSize Histogram"
for i in range(st.packetSizeHistogram.GetNBins()):
print >> os, " ",i,"(", st.packetSizeHistogram.GetBinStart (i), "-", \
st.packetSizeHistogram.GetBinEnd (i), "): ", st.packetSizeHistogram.GetBinCount (i)
for reason, drops in enumerate(st.packetsDropped):
print " Packets dropped by reason %i: %i" % (reason, drops)
#for reason, drops in enumerate(st.bytesDropped):
# print "Bytes dropped by reason %i: %i" % (reason, drops)
monitor.CheckForLostPackets()
classifier = flowmon_helper.GetClassifier()
if cmd.Results is None:
for flow_id, flow_stats in monitor.GetFlowStats():
t = classifier.FindFlow(flow_id)
proto = {6: 'TCP', 17: 'UDP'}[t.protocol]
print "FlowID: %i (%s %s/%s --> %s/%i)" % \
(flow_id, proto, t.sourceAddress, t.sourcePort, t.destinationAddress, t.destinationPort)
print_stats(sys.stdout, flow_stats)
else:
print monitor.SerializeToXmlFile(cmd.Results, True, True)
if cmd.Plot is not None:
import pylab
delays = []
for flow_id, flow_stats in monitor.GetFlowStats():
tupl = classifier.FindFlow(flow_id)
if tupl.protocol == 17 and tupl.sourcePort == 698:
continue
delays.append(flow_stats.delaySum.GetSeconds() /
flow_stats.rxPackets)
pylab.hist(delays, 20)
pylab.xlabel("Delay (s)")
pylab.ylabel("Number of Flows")
pylab.show()
return 0
def main(argv):
#
# Allow the user to override any of the defaults and the above Bind() at
# run-time, via command-line arguments
#
cmd = ns.core.CommandLine()
cmd.packetSize = 1024
cmd.packetCount = 10
cmd.packetInterval = 1.0
# Socket options for IPv4, currently TOS, TTL, RECVTOS, and RECVTTL
cmd.ipTos = 0
cmd.ipRecvTos = True
cmd.ipTtl = 0
cmd.ipRecvTtl = True
cmd.AddValue("PacketSize", "Packet size in bytes")
cmd.AddValue("PacketCount", "Number of packets to send")
cmd.AddValue("Interval", "Interval between packets")
cmd.AddValue("IP_TOS", "IP_TOS")
cmd.AddValue("IP_RECVTOS", "IP_RECVTOS")
cmd.AddValue("IP_TTL", "IP_TTL")
cmd.AddValue("IP_RECVTTL", "IP_RECVTTL")
cmd.Parse(argv)
packetSize = int(cmd.packetSize)
packetCount = int(cmd.packetCount)
packetInterval = float(cmd.packetInterval)
ipTos = int(cmd.ipTos)
ipRecvTos = bool(cmd.ipRecvTos)
ipTtl = int(cmd.ipTtl)
ipRecvTtl = bool(cmd.ipRecvTtl)
print("Create nodes.")
n = ns.network.NodeContainer()
n.Create(2)
internet = ns.internet.InternetStackHelper()
internet.Install(n)
print("Create channels.")
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate(5000000)))
csma.SetChannelAttribute("Delay",
ns.core.TimeValue(ns.core.MilliSeconds(2)))
csma.SetDeviceAttribute("Mtu", ns.core.UintegerValue(1400))
d = csma.Install(n)
print("Assign IP addresses.")
ipv4 = ns.internet.Ipv4AddressHelper()
ipv4.SetBase(ns.network.Ipv4Address("10.1.1.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i = ipv4.Assign(d)
serverAddress = ns.network.Address(i.GetAddress(1))
print("Create sockets.")
# Receiver socket on n1
tid = ns3.TypeId.LookupByName("ns3::UdpSocketFactory")
recvSink = ns3.Socket.CreateSocket(n.Get(1), tid)
local = ns3.InetSocketAddress(ns3.Ipv4Address.GetAny(), 4477)
recvSink.SetIpRecvTos(ipRecvTos)
recvSink.SetIpRecvTtl(ipRecvTtl)
recvSink.Bind(local)
recvSink.SetRecvCallback(ReceivePacket)
# Sender socket on n0
source = ns3.Socket.CreateSocket(n.Get(0), tid)
remote = ns.network.InetSocketAddress(i.GetAddress(1), 4477)
# Set socket options, it is also possible to set the options after the socket has been created/connected.
if ipTos > 0:
source.SetIpTos(ipTos)
if ipTtl > 0:
source.SetIpTtl(ipTtl)
source.Connect(remote)
ascii = ns.network.AsciiTraceHelper()
csma.EnableAsciiAll(ascii.CreateFileStream("socket-options-ipv4.tr"))
csma.EnablePcapAll("socket-options-ipv4", False)
# Schedule SendPacket
interPacketInterval = ns.core.Seconds(packetInterval)
ns.core.Simulator.ScheduleWithContext(source.GetNode().GetId(),
ns.core.Seconds(1.0), SendPacket,
source, packetSize, packetCount,
interPacketInterval)
print("Run Simulation.")
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
print("Done.")
positionAlloc = ns3.ListPositionAllocator()
positionAlloc.Add(ns3.Vector(100, 100, 0.0))
positionAlloc.Add(ns3.Vector(100, 200, 0.0))
positionAlloc.Add(ns3.Vector(200, 200, 0.0))
mobility.SetPositionAllocator(positionAlloc)
mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel")
mobility.Install(nodes)
port = 5000
#On off Application
onoff = ns3.OnOffHelper(
"ns3::UdpSocketFactory",
ns3.Address(ns3.InetSocketAddress(ipcontainer.GetAddress(1), port)))
onoff.SetAttribute("OnTime", ns3.RandomVariableValue(ns3.ConstantVariable(42)))
onoff.SetAttribute("OffTime", ns3.RandomVariableValue(ns3.ConstantVariable(0)))
#onoff.SetAttribute ("Remote", ns3.AddressValue (ns3.InetSocketAddress(ipcontainer.GetAddress(1),port)));
apps = onoff.Install(nodes.Get(0))
apps.Start(ns3.Seconds(0.1))
apps.Stop(ns3.Seconds(90.0))
sink = ns3.PacketSinkHelper(
"ns3::UdpSocketFactory",
ns3.InetSocketAddress(ipcontainer.GetAddress(1), port))
appsink = sink.Install(nodes.Get(1))
appsink.Start(ns3.Seconds(0.5))