test-suite-rh.tcl
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- #
- # Copyright (c) 1995-1997 The Regents of the University of California.
- # All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in the
- # documentation and/or other materials provided with the distribution.
- # 3. All advertising materials mentioning features or use of this software
- # must display the following acknowledgement:
- # This product includes software developed by the Computer Systems
- # Engineering Group at Lawrence Berkeley Laboratory.
- # 4. Neither the name of the University nor of the Laboratory may be used
- # to endorse or promote products derived from this software without
- # specific prior written permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- # SUCH DAMAGE.
- #
- # @(#) $Header: /cvsroot/nsnam/ns-2/tcl/test/test-suite-rh.tcl,v 1.11 2006/01/24 23:00:07 sallyfloyd Exp $
- #
- # To run all tests: test-all-ecn
- set dir [pwd]
- catch "cd tcl/test"
- source misc_simple.tcl
- Agent/TCP set tcpTick_ 0.1
- # The default for tcpTick_ is being changed to reflect a changing reality.
- Agent/TCP set rfc2988_ false
- # The default for rfc2988_ is being changed to true.
- # FOR UPDATING GLOBAL DEFAULTS:
- Agent/TCP set precisionReduce_ false ; # default changed on 2006/1/24.
- Agent/TCP set rtxcur_init_ 6.0 ; # Default changed on 2006/01/21
- Agent/TCP set updated_rttvar_ false ; # Variable added on 2006/1/21
- Agent/TCP set minrto_ 1
- # default changed on 10/14/2004.
- Queue/RED set bytes_ false
- # default changed on 10/11/2004.
- Queue/RED set queue_in_bytes_ false
- # default changed on 10/11/2004.
- Queue/RED set q_weight_ 0.002
- Queue/RED set thresh_ 5
- Queue/RED set maxthresh_ 15
- # The RED parameter defaults are being changed for automatic configuration.
- Agent/TCP set useHeaders_ false
- # The default is being changed to useHeaders_ true.
- Agent/TCP set windowInit_ 1
- # The default is being changed to 2.
- Agent/TCP set singledup_ 0
- # The default is being changed to 1
- catch "cd $dir"
- Class Topology
- Topology instproc node? num {
- $self instvar node_
- return $node_($num)
- }
- Topology instproc makenodes ns {
- $self instvar node_
- set node_(s1) [$ns node]
- set node_(s2) [$ns node]
- set node_(r1) [$ns node]
- set node_(r2) [$ns node]
- set node_(s3) [$ns node]
- set node_(s4) [$ns node]
- set node_(a1) [$ns node]
- set node_(a2) [$ns node]
- set node_(a3) [$ns node]
- set node_(a4) [$ns node]
- set node_(a5) [$ns node]
- set node_(a6) [$ns node]
- set node_(b1) [$ns node]
- set node_(b2) [$ns node]
- set node_(b3) [$ns node]
- set node_(b4) [$ns node]
- set node_(b5) [$ns node]
- set node_(b6) [$ns node]
- }
- Topology instproc createlinks ns {
- $self instvar node_
- $ns duplex-link $node_(s1) $node_(r1) 10Mb 2ms DropTail
- $ns duplex-link $node_(s2) $node_(r1) 10Mb 15ms DropTail
- $ns duplex-link $node_(r1) $node_(r2) 1.5Mb 30ms RED
- # $ns duplex-link $node_(r1) $node_(r2) 1.5Mb 30ms DropTail
- $ns queue-limit $node_(r1) $node_(r2) 40
- $ns queue-limit $node_(r2) $node_(r1) 40
- $ns duplex-link $node_(s3) $node_(r2) 10Mb 4ms DropTail
- $ns duplex-link $node_(s4) $node_(r2) 10Mb 5ms DropTail
- # Now create a mess of links for lots of conns
- $ns duplex-link $node_(a1) $node_(r1) 10Mb 3ms DropTail
- $ns duplex-link $node_(b1) $node_(r2) 10Mb 23ms DropTail
- $ns duplex-link $node_(a2) $node_(r1) 10Mb 2ms DropTail
- $ns duplex-link $node_(b2) $node_(r2) 10Mb 22ms DropTail
- $ns duplex-link $node_(a3) $node_(r1) 10Mb 3ms DropTail
- $ns duplex-link $node_(b3) $node_(r2) 10Mb 33ms DropTail
- $ns duplex-link $node_(a4) $node_(r1) 10Mb 4ms DropTail
- $ns duplex-link $node_(b4) $node_(r2) 10Mb 15ms DropTail
- $ns duplex-link $node_(a5) $node_(r1) 10Mb 3ms DropTail
- $ns duplex-link $node_(b5) $node_(r2) 10Mb 12ms DropTail
- $ns duplex-link $node_(a6) $node_(r1) 10Mb 2ms DropTail
- $ns duplex-link $node_(b6) $node_(r2) 10Mb 27ms DropTail
- $ns duplex-link-op $node_(s1) $node_(r1) orient right-down
- $ns duplex-link-op $node_(s2) $node_(r1) orient right-up
- $ns duplex-link-op $node_(r1) $node_(r2) orient right
- $ns duplex-link-op $node_(r1) $node_(r2) queuePos 0
- $ns duplex-link-op $node_(r2) $node_(r1) queuePos 0
- $ns duplex-link-op $node_(s3) $node_(r2) orient left-down
- $ns duplex-link-op $node_(s4) $node_(r2) orient left-up
- }
- Class Topology/net2 -superclass Topology
- Topology/net2 instproc init ns {
- $self instvar node_
- $self makenodes $ns
- $self createlinks $ns
- }
- Class Topology/net2-lossy -superclass Topology
- Topology/net2-lossy instproc init ns {
- $self instvar node_
- $self makenodes $ns
- $self createlinks $ns
-
- $self instvar lossylink_ lossylink2_
- set lossylink_ [$ns link $node_(r1) $node_(r2)]
- set em [new ErrorModule Fid]
- set errmodel [new ErrorModel/Periodic]
- $errmodel unit pkt
- $lossylink_ errormodule $em
- $em insert $errmodel
- $em bind $errmodel 0
- $em default pass
- set lossylink2_ [$ns link $node_(s1) $node_(r1)]
- set em [new ErrorModule Fid]
- set errmodel [new ErrorModel/Periodic]
- $errmodel unit pkt
- $lossylink2_ errormodule $em
- $em insert $errmodel
- $em bind $errmodel 0
- $em default pass
- }
- TestSuite instproc finish file {
- global quiet PERL
- $self instvar ns_ tchan_ testName_ cwnd_chan_ xlimits_ fig_file_ stimes_
- exec $PERL ../../bin/getrc -s 2 -d 3 all.tr |
- $PERL ../../bin/raw2xg -a -e -s 0.01 -m 90 -t $file > temp.rands
- exec $PERL ../../bin/getrc -s 3 -d 2 all.tr |
- $PERL ../../bin/raw2xg -a -e -s 0.01 -m 90 -t $file > temp1.rands
- if {$quiet == "false"} {
- # exec xgraph -bb -tk -nl -m -x time -y packets temp.rands &
- # The line below plots both data and ack packets.
- # exec xgraph -bb -tk -nl -m -x time -y packets temp.rands
- # temp1.rands &
- # Here we plot again for the paper with extra limits:
- exec echo Disposition: To File > temp_fig.rands
- exec echo FileOrDev: $fig_file_ >> temp_fig.rands
- exec cat temp.rands >> temp_fig.rands
- exec xgraph -bb -tk -nl -m -x time -y packets -lx $xlimits_ temp_fig.rands &
- }
- ## now use default graphing tool to make a data file
- ## if so desired
- # Keep the numerical results for later use:
- # set ofile_ [open data.out a]
- # set ecn_count [exec jgrep E-N all.tr | grep r | grep " 2 3 tcp" | wc -l ]
- # set drop_count [exec jgrep d all.tr | wc -l ]
- # set awkcode { {print $2} }
- # set end_time [exec tail -1 all.tr | awk $awkcode]
- # set bw [expr 1800000.0*8.0/$end_time/15000]
- # puts $ofile_ "$testName_ $ecn_count $drop_count $end_time $bw $stimes_"
- # close $ofile_
- if { [info exists tchan_] && $quiet == "false" } {
- $self plotQueue $testName_
- }
- if { [info exists cwnd_chan_] && $quiet == "false" } {
- $self plot_cwnd
- }
- $ns_ halt
- }
- TestSuite instproc enable_tracequeue ns {
- $self instvar tchan_ node_
- set redq [[$ns link $node_(r1) $node_(r2)] queue]
- set tchan_ [open all.q w]
- $redq trace curq_
- $redq trace ave_
- $redq attach $tchan_
- }
- TestSuite instproc plotQueue file {
- global quiet
- $self instvar tchan_
- #
- # Plot the queue size and average queue size, for RED gateways.
- #
- set awkCode {
- {
- if ($1 == "Q" && NF>2) {
- print $2, $3 >> "temp.q";
- set end $2
- }
- else if ($1 == "a" && NF>2)
- print $2, $3 >> "temp.a";
- }
- }
- set f [open temp.queue w]
- puts $f "TitleText: $file"
- puts $f "Device: Postscript"
- if { [info exists tchan_] } {
- close $tchan_
- }
- exec rm -f temp.q temp.a
- exec touch temp.a temp.q
- exec awk $awkCode all.q
- puts $f "queue
- exec cat temp.q >@ $f
- puts $f n"ave_queue
- exec cat temp.a >@ $f
- ###puts $f n"thresh
- ###puts $f 0 [[ns link $r1 $r2] get thresh]
- ###puts $f $end [[ns link $r1 $r2] get thresh]
- close $f
- if {$quiet == "false"} {
- exec xgraph -bb -tk -x time -y queue temp.queue &
- }
- }
- TestSuite instproc tcpDumpAll { tcpSrc interval label } {
- global quiet
- $self instvar dump_inst_ ns_
- if ![info exists dump_inst_($tcpSrc)] {
- set dump_inst_($tcpSrc) 1
- set report $label/window=[$tcpSrc set window_]/packetSize=[$tcpSrc set packetSize_]
- if {$quiet == "false"} {
- puts $report
- }
- $ns_ at 0.0 "$self tcpDumpAll $tcpSrc $interval $label"
- return
- }
- $ns_ at [expr [$ns_ now] + $interval] "$self tcpDumpAll $tcpSrc $interval $label"
- set report time=[$ns_ now]/class=$label/ack=[$tcpSrc set ack_]/packets_resent=[$tcpSrc set nrexmitpack_]
- if {$quiet == "false"} {
- puts $report
- }
- }
- TestSuite instproc emod {} {
- $self instvar topo_
- $topo_ instvar lossylink_
- set errmodule [$lossylink_ errormodule]
- return $errmodule
- }
- TestSuite instproc emod2 {} {
- $self instvar topo_
- $topo_ instvar lossylink2_
- set errmodule [$lossylink2_ errormodule]
- return $errmodule
- }
- TestSuite instproc setloss {} {
- $self instvar topo_
- $topo_ instvar lossylink_
- set errmodule [$lossylink_ errormodule]
- set errmodel [$errmodule errormodels]
- if { [llength $errmodel] > 1 } {
- puts "droppedfin: confused by >1 err models..abort"
- exit 1
- }
- return $errmodel
- }
- TestSuite instproc enable_tracecwnd { ns tcp } {
- $self instvar cwnd_chan_
- if { ! [info exists cwnd_chan_] } then {
- set cwnd_chan_ [open all.cwnd w]
- }
- $tcp trace cwnd_
- $tcp attach $cwnd_chan_
- }
- TestSuite instproc plot_cwnd {} {
- global quiet
- $self instvar cwnd_chan_
- set awkCode {
- {
- if ($6 == "cwnd_") {
- print $1, $7 >> "temp.cwnd";
- } }
- }
- set f [open cwnd.xgr w]
- puts $f "TitleText: cwnd"
- puts $f "Device: Postscript"
- if { [info exists cwnd_chan_] } {
- close $cwnd_chan_
- }
- exec rm -f temp.cwnd
- exec touch temp.cwnd
- exec awk $awkCode all.cwnd
- puts $f "cwnd
- exec cat temp.cwnd >@ $f
- close $f
- if {$quiet == "false"} {
- exec xgraph -M -bb -tk -x time -y cwnd cwnd.xgr &
- }
- }
- TestSuite instproc netsetup { {stoptime 3.0} {ecnmode false} } {
- $self instvar ns_ node_ testName_ net_
- $self setTopo
- ##
- ## Agent/TCP set maxburst_ 4
- ##
- set delay 30ms
- $ns_ delay $node_(r1) $node_(r2) $delay
- $ns_ delay $node_(r2) $node_(r1) $delay
- set redq [[$ns_ link $node_(r1) $node_(r2)] queue]
- ## The following controls ECN:
- $redq set setbit_ $ecnmode
- $redq set maxthresh_ 20
-
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]
- $ns_ at $stoptime "$self cleanupAll $testName_"
- }
- TestSuite instproc tcpsetup { tcptype {starttime 0.0} {numpkts 10000} {ssthresh 30} { tcp1fid 0 } { delack 0 } {src s1} {dst s3} } {
- $self instvar ns_ node_
- if {$tcptype == "Tahoe" && $delack == 0} {
- set tcp1 [$ns_ create-connection TCP $node_($src)
- TCPSink $node_($dst) $tcp1fid]
- } elseif {$tcptype == "Sack1" && $delack == 0} {
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_($src)
- TCPSink/Sack1 $node_($dst) $tcp1fid]
- } elseif {$tcptype == "SackRH" && $delack == 0} {
- set tcp1 [$ns_ create-connection TCP/SackRH $node_($src)
- TCPSink/Sack1 $node_($dst) $tcp1fid]
- } elseif {$tcptype == "SackRHNewReno" && $delack == 0} {
- set tcp1 [$ns_ create-connection TCP/SackRH $node_($src)
- TCPSink $node_($dst) $tcp1fid]
- } elseif {$delack == 0} {
- set tcp1 [$ns_ create-connection TCP/$tcptype $node_($src)
- TCPSink $node_($dst) $tcp1fid]
- } elseif {$tcptype == "Tahoe" && $delack == 1} {
- set tcp1 [$ns_ create-connection TCP $node_($src)
- TCPSink/DelAck $node_($dst) $tcp1fid]
- } elseif {$tcptype == "Sack1" && $delack == 1} {
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_($src)
- TCPSink/Sack1/DelAck $node_($dst) $tcp1fid]
- } elseif {$tcptype == "SackRH" && $delack == 1} {
- set tcp1 [$ns_ create-connection TCP/SackRH $node_($src)
- TCPSink/Sack1/DelAck $node_($dst) $tcp1fid]
- } else {
- set tcp1 [$ns_ create-connection TCP/$tcptype $node_($src)
- TCPSink/DelAck $node_($dst) $tcp1fid]
- }
- $tcp1 set window_ 100
- $tcp1 set ecn_ 1
- $tcp1 set rtxcur_init_ 3.0
- $ns_ at 0.2 "$tcp1 set ssthresh_ $ssthresh"
- set ftp1 [$tcp1 attach-app FTP]
- $self enable_tracecwnd $ns_ $tcp1
-
- # $self enable_tracequeue $ns_
- $ns_ at $starttime "$ftp1 produce $numpkts"
-
- $self tcpDump $tcp1 5.0
- }
- # Drop the specified packet.
- TestSuite instproc drop_pkt { number } {
- $self instvar ns_ lossmodel
- set lossmodel [$self setloss]
- $lossmodel set offset_ $number
- $lossmodel set period_ 10000
- }
- TestSuite instproc drop_pkts pkts {
- $self instvar ns_ errmodel1
- set emod [$self emod]
- set errmodel1 [new ErrorModel/List]
- $errmodel1 droplist $pkts
- $emod insert $errmodel1
- $emod bind $errmodel1 1
- }
- TestSuite instproc ecn_pkts pkts {
- $self instvar ns_ errmodel2
- set emod [$self emod2]
- set errmodel2 [new ErrorModel/List]
- $errmodel2 droplist $pkts
- $emod insert $errmodel2
- $emod bind $errmodel2 1
- $errmodel2 set markecn_ true
- }
- #######################################################################
- # All tests
- #######################################################################
- # The following set of tests go through a pile of tests for SackRH
- # to make sure that they all work correctly.
- ## Single Drop
- Class Test/test_sackRH -superclass TestSuite
- Test/test_sackRH instproc init {} {
- $self instvar net_ test_ xlimits_ fig_file_
- Queue/RED set setbit_ true
- set net_ net2-lossy
- Agent/TCP set bugFix_ true
- set test_ "SackRH(NewReno)..SackRH..NewReno..Reno"
- set xlimits_ "0,12.0"
- set fig_file_ fig1B.eps
- $self next
- }
- Test/test_sackRH instproc run {} {
- $self instvar ns_ errmodel1
- Agent/TCP set old_ecn_ 1
- $self netsetup 12.0 true
- $self tcpsetup SackRHNewReno 0.0 150 30 1 0
- $self tcpsetup SackRH 3.0 150 30 1 0
- $self tcpsetup Newreno 6.0 150 30 1 0
- $self tcpsetup Reno 9.0 150 30 1 0
- puts "Enter loss sequence"
- gets stdin drops
- set offset [expr 150 + [llength $drops]]
- $self drop_pkts [offset_list_3 $drops $offset]
- puts "Enter ecn sequence"
- gets stdin ecns
- $self ecn_pkts [offset_list_3 $ecns $offset]
- $ns_ run
- }
- proc offset_list {l1 l2} {
- set len1 [llength $l1]
- set len2 [llength $l2]
- for {set i 0} {$i < $len2} {incr i} {
- for {set j 0} {$j < $len1} {incr j} {
- lappend l1 [expr [lindex $l1 $j] + [lindex $l2 $i]]
- }
- }
- return $l1
- }
- # This applies the offset 3 times, so we get a total of
- # four of the same sequence of packet drops.
- proc offset_list_3 {l1 offset} {
- set len1 [llength $l1]
- for {set j 0} {$j < [expr $len1 * 3]} {incr j} {
- lappend l1 [expr [lindex $l1 $j] + $offset]
- }
- return $l1
- }
- TestSuite runTest