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#
# Copyright (C) 1999 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.
#
#
# Maintained by: Polly Huang Tue Feb 2 14:34:54 PST 1999
# Version Date: $Date: 1999/09/09 03:29:46 $
#
# @(#) $Header: /cvsroot/nsnam/ns-2/tcl/ex/shuttle-mcast.tcl,v 1.3 1999/09/09 03:29:46 salehi Exp $ (USC/ISI)
#
# Creating 3 multicast sessions over a partial mbone topology (1996)
source shuttle.tcl
set mcastConnection 3
set ns [new Simulator]
$ns multicast
# set colors for nam
for {set i 0} {$i < 10} {incr i} {
set color [expr $i % 6]
if {$color == 0} {
$ns color $i blue
} elseif {$color == 1} {
$ns color $i red
} elseif {$color == 2} {
$ns color $i green
} elseif {$color == 3} {
$ns color $i yellow
} elseif {$color == 4} {
$ns color $i brown
} elseif {$color == 5} {
$ns color $i black
}
}
# config output files
set f [open shuttle-mcast.out w]
$ns trace-all $f
set nf [open shuttle-mcast.nam w]
$ns namtrace-all $nf
# creating mbone shuttle session topology
# generated from 1996 trace
puts "This simulation will take a long time..."
#Node expandaddr
create-topology
# mcast config
set mproto CtrMcast
set mrthandle [$ns mrtproto $mproto {}]
# create mcast sessions
for {set i 0} {$i < $mcastConnection} {incr i} {
# groups config
set g($i) [expr [Node allocaddr]]
if {$mrthandle != ""} {
$ns at 0.01 "$mrthandle switch-treetype $g($i)"
}
# source config
set udp($i) [new Agent/UDP]
$ns attach-agent $n($i) $udp($i)
set cbr($i) [new Application/Traffic/CBR]
$cbr($i) attach-agent $udp($i)
$udp($i) set dst_addr_ $g($i)
$udp($i) set dst_port_ 0
$udp($i) set fid_ $i
$ns at [expr $i + 1] "$cbr($i) start"
# member config
set member1 [expr [expr $num_node - $i] - 1]
set member2 [expr [expr $num_node / 2 ] - $i]
set rcvr($i:$member1) [new Agent/Null]
set rcvr($i:$member2) [new Agent/Null]
$ns attach-agent $n($member1) $rcvr($i:$member1)
$ns attach-agent $n($member2) $rcvr($i:$member2)
$ns at 0.5 "$n($member1) join-group $rcvr($i:$member1) $g($i)"
$ns at 0.5 "$n($member2) join-group $rcvr($i:$member2) $g($i)"
}
proc finish {} {
global ns f nf
$ns flush-trace
close $f
close $nf
exec nam shuttle-mcast.nam
exit
}
$ns at 13.0 "finish"
$ns run
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