77 lines
2.8 KiB
Python
77 lines
2.8 KiB
Python
# -*- Mode: Python; -*-
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#
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# Copyright 2010 University of Washington
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#
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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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import sys
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import ns3
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def main(argv):
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#
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# We are interacting with the outside, real, world. This means we have to
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# interact in real-time and therefore we have to use the real-time simulator
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# and take the time to calculate checksums.
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#
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ns3.GlobalValue.Bind("SimulatorImplementationType", ns3.StringValue("ns3::RealtimeSimulatorImpl"))
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ns3.GlobalValue.Bind("ChecksumEnabled", ns3.BooleanValue("true"))
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#
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# Create two ghost nodes. The first will represent the virtual machine host
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# on the left side of the network; and the second will represent the VM on
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# the right side.
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#
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nodes = ns3.NodeContainer()
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nodes.Create (2)
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#
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# Use a CsmaHelper to get a CSMA channel created, and the needed net
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# devices installed on both of the nodes. The data rate and delay for the
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# channel can be set through the command-line parser.
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#
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csma = ns3.CsmaHelper()
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devices = csma.Install(nodes)
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#
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# Use the TapBridgeHelper to connect to the pre-configured tap devices for
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# the left side. We go with "UseLocal" mode since the wifi devices do not
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# support promiscuous mode (because of their natures0. This is a special
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# case mode that allows us to extend a linux bridge into ns-3 IFF we will
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# only see traffic from one other device on that bridge. That is the case
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# for this configuration.
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#
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tapBridge = ns3.TapBridgeHelper()
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tapBridge.SetAttribute ("Mode", ns3.StringValue ("UseLocal"))
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tapBridge.SetAttribute ("DeviceName", ns3.StringValue ("tap-left"))
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tapBridge.Install (nodes.Get (0), devices.Get (0))
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#
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# Connect the right side tap to the right side wifi device on the right-side
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# ghost node.
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#
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tapBridge.SetAttribute ("DeviceName", ns3.StringValue ("tap-right"))
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tapBridge.Install (nodes.Get (1), devices.Get (1))
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#
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# Run the simulation for ten minutes to give the user time to play around
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#
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ns3.Simulator.Stop (ns3.Seconds (600))
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ns3.Simulator.Run(signal_check_frequency = -1)
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ns3.Simulator.Destroy()
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return 0
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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