File: simple-dyn.tcl

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#
# Copyright (C) 1997 by USC/ISI
# All rights reserved.                                            
#                                                                
# Redistribution and use in source and binary forms are permitted
# provided that the above copyright notice and this paragraph are
# duplicated in all such forms and that any documentation, advertising
# materials, and other materials related to such distribution and use
# acknowledge that the software was developed by the University of
# Southern California, Information Sciences Institute.  The name of the
# University may not be used to endorse or promote products derived from
# this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
# 

#
# Maintainer: Kannan Varadhan <kannan@isi.edu>
# updated to use -multicast on by Lloyd Wood

set ns [new Simulator -multicast on]


set n0 [$ns node]
set n1 [$ns node]

$ns color 0 blue
$ns color 1 red
$ns color 2 white

set f [open out.tr w]
$ns trace-all $f
set nf [open out.nam w]
$ns namtrace-all $nf

$ns duplex-link $n0 $n1 1.5Mb 10ms DropTail
$ns queue-limit $n0 $n1 2
$ns duplex-link-op $n0 $n1 orient right
$ns duplex-link-op $n0 $n1 queuePos 0.5

set udp0 [new Agent/UDP]
$ns attach-agent $n0 $udp0
set cbr0 [new Application/Traffic/CBR]
$cbr0 set interval_ 1ms
$cbr0 attach-agent $udp0

set null1 [new Agent/Null]
$ns attach-agent $n1 $null1

$ns connect $udp0 $null1

$ns rtproto DV		;# or use Session

$ns rtmodel Deterministic {} $n0
[$ns link $n0 $n1] trace-dynamics $ns stdout

proc finish {} {
	global ns f nf
	$ns flush-trace
	close $f
	close $nf

	#XXX
	puts "running nam..."
	exec nam -f dynamic-nam.conf out.nam &
	exit 0
}

$ns at 1.0 "$cbr0 start"
$ns at 8.0 "finish"
puts [$cbr0 set packetSize_]
puts [$cbr0 set interval_]
$ns run