1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134
|
#
# 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>
# Version Date: $Date: 2000/02/18 10:41:50 $
#
# @(#) $Header: /cvsroot/nsnam/ns-2/tcl/ex/srm.tcl,v 1.9 2000/02/18 10:41:50 polly Exp $ (USC/ISI)
#
# updated to use -multicast on and allocaddr by Lloyd Wood
if [string match {*.tcl} $argv0] {
set prog [string range $argv0 0 [expr [string length $argv0] - 5]]
} else {
set prog $argv0
}
source ../mcast/srm-nam.tcl ;# to separate control messages.
#source ../mcast/srm-debug.tcl ;# to trace delay compute fcn. details.
set ns [new Simulator -multicast on]
$ns trace-all [open out.tr w]
$ns namtrace-all [open out.nam w]
$ns color 0 white ;# data source
$ns color 40 blue ;# session
$ns color 41 red ;# request
$ns color 42 green ;# repair
$ns color 1 Khaki ;# source node
$ns color 2 goldenrod
$ns color 3 sienna
$ns color 4 HotPink
$ns color 5 maroon
$ns color 6 orchid
$ns color 7 purple
$ns color 8 snow4
$ns color 9 PeachPuff1
# make the nodes
for {set i 0} {$i <= 3} {incr i} {
set n($i) [$ns node]
}
$n(0) shape "other"
# now the links
for {set i 1} {$i <= 3} {incr i} {
$ns duplex-link $n($i) $n(0) 1.5Mb 10ms DropTail
}
$ns duplex-link-op $n(0) $n(1) orient left
$ns duplex-link-op $n(0) $n(2) orient right-up
$ns duplex-link-op $n(0) $n(3) orient right-down
set group [Node allocaddr]
set mh [$ns mrtproto DM {}]
#$ns at 0.3 "$mh switch-treetype $group" ;# for centralised multicast
# now the multicast, and the agents
set srmStats [open srmStats.tr w]
set srmEvents [open srmEvents.tr w]
set fid 0
foreach i [array names n] {
set srm($i) [new Agent/SRM]
$srm($i) set dst_addr_ $group
$srm($i) set dst_port_ 0
$srm($i) set fid_ [incr fid]
$srm($i) log $srmStats
$srm($i) trace $srmEvents
# $ns at 1.0 "$srm($i) start"
$ns attach-agent $n($i) $srm($i)
}
# Attach a data source to srm(0)
set packetSize 210
set exp0 [new Application/Traffic/Exponential]
$exp0 set packetSize_ $packetSize
$exp0 set burst_time_ 500ms
$exp0 set idle_time_ 500ms
$exp0 set rate_ 100k
$exp0 attach-agent $srm(0)
$srm(0) set tg_ $exp0
$srm(0) set app_fid_ 0
$srm(0) set packetSize_ $packetSize ;# so repairs are correct
$ns at 0.5 "$srm(0) start; $srm(0) start-source"
$ns at 1.0 "$srm(1) start"
$ns at 1.1 "$srm(2) start"
$ns at 1.2 "$srm(3) start"
proc distDump interval {
global ns srm
foreach i [array names srm] {
set dist [$srm($i) distances?]
if {$dist != ""} {
puts "[format %7.4f [$ns now]] distances $dist"
}
}
$ns at [expr [$ns now] + $interval] "distDump $interval"
}
$ns at 0.0 "distDump 1"
proc finish src {
$src stop
global prog ns srmStats srmEvents
$ns flush-trace
close $srmStats
close $srmEvents
puts "running nam..."
exec nam out.nam &
exit 0
}
$ns at 5.0 "finish $exp0"
#$ns gen-map
$ns run
|