thrutcp.tcl
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上传日期:2015-12-11
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- # Testing passing real world traffic through the
- # ns Simulator
- # Author : Alefiya Hussain and Ankur Sheth
- # Date : 05/14/2001
- set ns [new Simulator]
- $ns use-scheduler RealTime
- set f [open out.tr w]
- $ns trace-all $f
- set nf [open out.nam w]
- $ns namtrace-all $nf
- # Create the nodes needed to the transducer
- set n1 [$ns node]
- set n2 [$ns node]
- set n3 [$ns node]
- set n4 [$ns node]
- set n5 [$ns node]
- # Setup connections between the nodes
- $ns simplex-link $n1 $n5 10Mb 5ms DropTail
- $ns simplex-link $n5 $n4 10Mb 5ms DropTail
- $ns simplex-link $n3 $n5 10Mb 5ms DropTail
- $ns simplex-link $n5 $n2 10Mb 5ms DropTail
- # Configure the first entry node
- set tap1 [new Agent/IPTap]; # Create the TCPTap Agent
- set bpf1 [new Network/Pcap/Live]; # Create the bpf
- set dev [$bpf1 open readonly xl0]
- $bpf1 filter "src 128.9.160.95 and dst 128.9.160.196"
- $tap1 network $bpf1; # Connect bpf to TCPTap Agent
- $ns attach-agent $n1 $tap1; # Attach TCPTap Agent to the node
- # Configure the first exit node
- set tap2 [new Agent/IPTap]; # Create a TCPTap Agent
- set ipnet2 [new Network/IP]; # Create a Network agent
- $ipnet2 open writeonly
- $tap2 network $ipnet2; # Connect network agent to tap agent
- $ns attach-agent $n2 $tap2; # Attach agent to the node.
- # Configure the second entry node
- set tap3 [new Agent/IPTap]; # Create the TCPTap Agent
- set bpf3 [new Network/Pcap/Live]; # Create the bpf
- set dev [$bpf3 open readonly xl0]
- $bpf3 filter "src 128.9.160.196 and dst 128.9.160.95"
- $tap3 network $bpf3; # Connect bpf to TCPTap Agent
- $ns attach-agent $n3 $tap3; # Attach TCPTap Agent to the node
- # Configure the second exit node
- set tap4 [new Agent/IPTap]; # Create a TCPTap Agent
- set ipnet4 [new Network/IP]; # Create a Network agent
- $ipnet4 open writeonly
- $tap4 network $ipnet4; # Connect network agent to tap agent
- $ns attach-agent $n4 $tap4; # Attach agent to the node.
- # Connect the agents.
- $ns simplex-connect $tap1 $tap4
- $ns simplex-connect $tap3 $tap2
- $ns at 50.0 "finish"
- proc finish {} {
- global ns f nf
- $ns flush-trace
- close $f
- close $nf
- exit 0
- }
- $ns run