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 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 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.")
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()