def testAttributes(self):
##
## Yes, I know, the GetAttribute interface for Python is
## horrible, we should fix this soon, I hope.
##
queue = ns3.DropTailQueue()
queue.SetAttribute("MaxPackets", ns3.UintegerValue(123456))
limit = ns3.UintegerValue()
queue.GetAttribute("MaxPackets", limit)
self.assertEqual(limit.Get(), 123456)
## -- object pointer values
mobility = ns3.RandomWaypointMobilityModel()
ptr = ns3.PointerValue()
mobility.GetAttribute("PositionAllocator", ptr)
self.assertEqual(ptr.GetObject(), None)
pos = ns3.ListPositionAllocator()
mobility.SetAttribute("PositionAllocator", ns3.PointerValue(pos))
ptr = ns3.PointerValue()
mobility.GetAttribute("PositionAllocator", ptr)
self.assert_(ptr.GetObject() is not None)
def udp_echo_app(network,
client_node,
server_node,
server_device,
start,
stop,
packets=1,
interval=1.0,
port=9,
packet_size=1024):
"""Set up a UDP echo client/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
echoServer = ns3.UdpEchoServerHelper(port)
serverApps = echoServer.Install(server.ns3_node)
serverApps.Start(ns3.Seconds(start))
serverApps.Stop(ns3.Seconds(stop))
client = network.nodes[client_node]
echoClient = ns3.UdpEchoClientHelper(server_address, 9)
echoClient.SetAttribute("MaxPackets", ns3.UintegerValue(packets))
echoClient.SetAttribute("Interval", ns3.TimeValue(ns3.Seconds(interval)))
echoClient.SetAttribute("PacketSize", ns3.UintegerValue(packet_size))
clientApps = echoClient.Install(client.ns3_node)
clientApps.Start(ns3.Seconds(start))
clientApps.Stop(ns3.Seconds(stop))
def run_simulation(network):
#print "distance between CCATCCA and URCOS", distance
# Applications
server = network.nodes["CCATCCA"]
server_address = server.devices["Uuario Final PCMCIA"].interfaces[
0].address
echoServer = ns3.UdpEchoServerHelper(9)
serverApps = echoServer.Install(server.ns3_node)
serverApps.Start(ns3.Seconds(1.0))
serverApps.Stop(ns3.Seconds(10.0))
client = network.nodes["URCOS"]
echoClient = ns3.UdpEchoClientHelper(server_address, 9)
echoClient.SetAttribute("MaxPackets", ns3.UintegerValue(1))
echoClient.SetAttribute("Interval", ns3.TimeValue(ns3.Seconds(1.0)))
echoClient.SetAttribute("PacketSize", ns3.UintegerValue(1024))
clientApps = echoClient.Install(client.ns3_node)
clientApps.Start(ns3.Seconds(2.0))
clientApps.Stop(ns3.Seconds(10.0))
# Tracing
josjo1 = network.nodes["JOSJOJAHUARINA 1"]
device = josjo1.devices['Josjo 1 Sectorial PC'].ns3_device
phy = josjo1.devices['Josjo 1 Sectorial PC'].phy_helper
phy.EnablePcap("udp_echo", device)
# Run simulation
ns3.Simulator.Stop(ns3.Seconds(10.0))
ns3.Simulator.Run()
ns3.Simulator.Destroy()
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 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)
#
# But since this is a realtime script, don't allow the user to mess with
# that.
#
ns3.GlobalValue.Bind("SimulatorImplementationType",
ns3.StringValue("ns3::RealtimeSimulatorImpl"))
#
# Explicitly create the nodes required by the topology (shown above).
#
print "Create nodes."
n = ns3.NodeContainer()
n.Create(4)
internet = ns3.InternetStackHelper()
internet.Install(n)
#
# Explicitly create the channels required by the topology (shown above).
#
print("Create channels.")
csma = ns3.CsmaHelper()
csma.SetChannelAttribute("DataRate",
ns3.DataRateValue(ns3.DataRate(5000000)))
csma.SetChannelAttribute("Delay", ns3.TimeValue(ns3.MilliSeconds(2)))
csma.SetDeviceAttribute("Mtu", ns3.UintegerValue(1400))
d = csma.Install(n)
#
# 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"))
i = ipv4.Assign(d)
print("Create Applications.")
#
# Create a UdpEchoServer application on node one.
#
port = 9 # well-known echo port number
server = ns3.UdpEchoServerHelper(port)
apps = server.Install(n.Get(1))
apps.Start(ns3.Seconds(1.0))
apps.Stop(ns3.Seconds(10.0))
#
# Create a UdpEchoClient application to send UDP datagrams from node zero to
# node one.
#
packetSize = 1024
maxPacketCount = 500
interPacketInterval = ns3.Seconds(0.01)
client = ns3.UdpEchoClientHelper(i.GetAddress(1), port)
client.SetAttribute("MaxPackets", ns3.UintegerValue(maxPacketCount))
client.SetAttribute("Interval", ns3.TimeValue(interPacketInterval))
client.SetAttribute("PacketSize", ns3.UintegerValue(packetSize))
apps = client.Install(n.Get(0))
apps.Start(ns3.Seconds(2.0))
apps.Stop(ns3.Seconds(10.0))
ascii = ns3.AsciiTraceHelper()
csma.EnableAsciiAll(ascii.CreateFileStream("realtime-udp-echo.tr"))
csma.EnablePcapAll("realtime-udp-echo", False)
#
# Now, do the actual simulation.
#
print("Run Simulation.")
ns3.Simulator.Run()
ns3.Simulator.Destroy()
print("Done.")
def main(argv):
cmd = ns3.CommandLine()
cmd.Parse(argv)
# Create nodes
print "Create nodes"
n0 = ns3.Node()
r = ns3.Node()
n1 = ns3.Node()
net1 = ns3.NodeContainer()
net1.Add(n0)
net1.Add(r)
net2 = ns3.NodeContainer()
net2.Add(r)
net2.Add(n1)
all = ns3.NodeContainer()
all.Add(n0)
all.Add(r)
all.Add(n1)
# Create IPv6 Internet Stack
internetv6 = ns3.InternetStackHelper()
internetv6.Install(all)
# Create channels
csma = ns3.CsmaHelper()
csma.SetChannelAttribute("DataRate",
ns3.DataRateValue(ns3.DataRate(5000000)))
csma.SetChannelAttribute("Delay", ns3.TimeValue(ns3.MilliSeconds(2)))
d1 = csma.Install(net1)
d2 = csma.Install(net2)
# Create networks and assign IPv6 Addresses
print "Addressing"
ipv6 = ns3.Ipv6AddressHelper()
ipv6.NewNetwork(ns3.Ipv6Address("2001:1::"), ns3.Ipv6Prefix(64))
i1 = ipv6.Assign(d1)
i1.SetRouter(1, True)
ipv6.NewNetwork(ns3.Ipv6Address("2001:2::"), ns3.Ipv6Prefix(64))
i2 = ipv6.Assign(d2)
i2.SetRouter(0, True)
# Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via r
print "Application"
packetSize = 1024
maxPacketCount = 5
interPacketInterval = ns3.Seconds(1.)
ping6 = ns3.Ping6Helper()
ping6.SetLocal(i1.GetAddress(0, 1))
ping6.SetRemote(i2.GetAddress(1, 1))
ping6.SetAttribute("MaxPackets", ns3.UintegerValue(maxPacketCount))
ping6.SetAttribute("Interval", ns3.TimeValue(interPacketInterval))
ping6.SetAttribute("PacketSize", ns3.UintegerValue(packetSize))
apps = ping6.Install(ns3.NodeContainer(net1.Get(0)))
apps.Start(ns3.Seconds(2.0))
apps.Stop(ns3.Seconds(20.0))
print "Tracing"
ascii = ns3.ofstream("simple-routing-ping6.tr")
ns3.CsmaHelper.EnableAsciiAll(ascii)
ns3.CsmaHelper.EnablePcapAll("simple-routing-ping6", True)
# Run Simulation
ns3.Simulator.Run()
ns3.Simulator.Destroy()
def testConfig(self):
ns3.Config.SetDefault("ns3::OnOffApplication::PacketSize",
ns3.UintegerValue(123))
pointToPoint.SetDeviceAttribute("DataRate", ns3.StringValue("5Mbps"))
pointToPoint.SetChannelAttribute("Delay", ns3.StringValue("2ms"))
devices = pointToPoint.Install(nodes)
stack = ns3.InternetStackHelper()
stack.Install(nodes)
address = ns3.Ipv4AddressHelper()
address.SetBase(ns3.Ipv4Address("10.1.1.0"), ns3.Ipv4Mask("255.255.255.0"))
interfaces = address.Assign(devices)
echoServer = ns3.UdpEchoServerHelper(9)
serverApps = echoServer.Install(nodes.Get(1))
serverApps.Start(ns3.Seconds(1.0))
serverApps.Stop(ns3.Seconds(10.0))
echoClient = ns3.UdpEchoClientHelper(interfaces.GetAddress(1), 9)
echoClient.SetAttribute("MaxPackets", ns3.UintegerValue(1))
echoClient.SetAttribute("Interval", ns3.TimeValue(ns3.Seconds(1.0)))
echoClient.SetAttribute("PacketSize", ns3.UintegerValue(1024))
clientApps = echoClient.Install(nodes.Get(0))
clientApps.Start(ns3.Seconds(2.0))
clientApps.Stop(ns3.Seconds(10.0))
ns3.Simulator.Run()
ns3.Simulator.Destroy()