srm-adapt-req.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>
- # Version Date: $Date: 1999/09/10 22:08:46 $
- #
- # @(#) $Header: /cvsroot/nsnam/ns-2/tcl/ex/srm-adapt-req.tcl,v 1.10 1999/09/10 22:08:46 haoboy Exp $ (USC/ISI)
- #
- # updated to use -multicast on and Node allocaddr by Lloyd Wood
- #
- # simple 8 node star topology, runs for 50s, tests Adaptive timers.
- #
- if [string match {*.tcl} $argv0] {
- set prog [string range $argv0 0 [expr [string length $argv0] - 5]]
- } else {
- set prog $argv0
- }
- if {[llength $argv] > 0} {
- set srmSimType [lindex $argv 0]
- } else {
- set srmSimType Adaptive
- }
- 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 packets
- $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
- $ns color 9 PeachPuff1
- # make the nodes
- set nmax 8
- for {set i 0} {$i <= $nmax} {incr i} {
- set n($i) [$ns node]
- }
- $n(0) shape "other"
- $n(1) shape "box"
- # now the links
- for {set i 1} {$i <= $nmax} {incr i} {
- $ns duplex-link $n($i) $n(0) 1.5Mb 10ms DropTail
- }
- $ns duplex-link-op $n(1) $n(0) orient right
- $ns duplex-link-op $n(2) $n(0) orient right-down
- $ns duplex-link-op $n(3) $n(0) orient up
- $ns duplex-link-op $n(4) $n(0) orient left-down
- $ns duplex-link-op $n(5) $n(0) orient left
- $ns duplex-link-op $n(6) $n(0) orient left-up
- $ns duplex-link-op $n(7) $n(0) orient down
- $ns duplex-link-op $n(8) $n(0) orient right-up
- $ns duplex-link-op $n(0) $n(1) queuePos 0
- # configure multicast
- set group [Node allocaddr]
- set cmc [$ns mrtproto CtrMcast {}]
- $ns at 0.3 "$cmc switch-treetype $group"
- # now the agents
- set srmStats [open srmStats.tr w]
- set srmEvents [open srmEvents.tr w]
- set fid 0
- for {set i 1} {$i <= $nmax} {incr i} {
- set srm($i) [new Agent/SRM/$srmSimType]
- $srm($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)
- }
- #$srm(4) set C1_ 0.5
- #$srm(4) set C2_ 1.0
- # And, finally, attach a data source to srm(1)
- set packetSize 800
- set s [new Application/Traffic/CBR]
- $s set packetSize_ $packetSize
- $s set interval_ 0.02
- $s attach-agent $srm(1)
- $srm(1) set tg_ $s
- $srm(1) set app_fid_ 0
- $srm(1) set packetSize_ $packetSize
- $ns at 3.5 "$srm(1) start-source"
- # Drop a packet every 0.5 secs. starting at 3.52s.
- # Drops packets from the source so all receivers see the loss.
- #$ns rtmodel Deterministic {3.021 0.498 0.002} $n(0) $n(1)
- set loss_module [new SRMErrorModel]
- $loss_module drop-packet 2 200 1
- $loss_module drop-target [$ns set nullAgent_]
- $ns lossmodel $loss_module $n(1) $n(0)
- $ns at 150 "finish $s"
- proc finish src {
- $src stop
- global ns srmStats srmEvents srm
- $ns flush-trace ;# NB> Did not really close out.tr...:-)
- close $srmStats
- close $srmEvents
- set avg_info [open srm-avg-info w]
- puts $avg_info "avg:trep-delaytreq-delaytrep-dupttreq-dup"
- foreach index [lsort -integer [array name srm]] {
- set tmplist [$srm($index) array get stats_]
- puts $avg_info "$indext[format %7.4f [lindex $tmplist 1]]tt[format %7.4f [lindex $tmplist 5]]tt[format %7.4f [lindex $tmplist 9]]tt[format %7.4f [lindex $tmplist 13]]"
- }
- flush $avg_info
- close $avg_info
- exit 0
- }
- set ave [open ave.tr w]
- proc doDump {now i tag} {
- global srm ave
- puts $ave [list $now $i
- [$srm($i) set stats_(ave-dup-${tag})]
- [$srm($i) set stats_(ave-${tag}-delay)]]
- }
- proc dumparams intvl {
- global ns nmax
- set now [$ns now]
- doDump $now 1 rep
- for {set i 2} { $i <= $nmax} {incr i} {
- doDump $now $i req
- }
- $ns at [expr $now + $intvl] "dumparams $intvl"
- }
- $ns at 4.0 "dumparams 0.5"
- $ns run