70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation;
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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try:
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from ns import ns
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except ModuleNotFoundError:
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raise SystemExit(
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"Error: ns3 Python module not found;"
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" Python bindings may not be enabled"
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" or your PYTHONPATH might not be properly configured"
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)
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# // Default Network Topology
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# //
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# // 10.1.1.0
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# // n0 -------------- n1
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# // point-to-point
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# //
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ns.core.LogComponentEnable("UdpEchoClientApplication", ns.core.LOG_LEVEL_INFO)
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ns.core.LogComponentEnable("UdpEchoServerApplication", ns.core.LOG_LEVEL_INFO)
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nodes = ns.network.NodeContainer()
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nodes.Create(2)
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pointToPoint = ns.point_to_point.PointToPointHelper()
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pointToPoint.SetDeviceAttribute("DataRate", ns.core.StringValue("5Mbps"))
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pointToPoint.SetChannelAttribute("Delay", ns.core.StringValue("2ms"))
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devices = pointToPoint.Install(nodes)
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stack = ns.internet.InternetStackHelper()
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stack.Install(nodes)
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address = ns.internet.Ipv4AddressHelper()
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address.SetBase(ns.network.Ipv4Address("10.1.1.0"), ns.network.Ipv4Mask("255.255.255.0"))
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interfaces = address.Assign(devices)
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echoServer = ns.applications.UdpEchoServerHelper(9)
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serverApps = echoServer.Install(nodes.Get(1))
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serverApps.Start(ns.core.Seconds(1.0))
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serverApps.Stop(ns.core.Seconds(10.0))
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address = interfaces.GetAddress(1).ConvertTo()
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echoClient = ns.applications.UdpEchoClientHelper(address, 9)
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echoClient.SetAttribute("MaxPackets", ns.core.UintegerValue(1))
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echoClient.SetAttribute("Interval", ns.core.TimeValue(ns.core.Seconds(1.0)))
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echoClient.SetAttribute("PacketSize", ns.core.UintegerValue(1024))
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clientApps = echoClient.Install(nodes.Get(0))
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clientApps.Start(ns.core.Seconds(2.0))
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clientApps.Stop(ns.core.Seconds(10.0))
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ns.core.Simulator.Run()
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ns.core.Simulator.Destroy()
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