test-suite-rio.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-rio.tcl,v 1.19 2006/01/24 23:00:07 sallyfloyd Exp $
- #
- # This test suite reproduces most of the tests from the following note:
- # Floyd, S.,
- # Ns Simulator Tests for Random Early Detection (RED), October 1996.
- # URL ftp://ftp.ee.lbl.gov/papers/redsims.ps.Z.
- #
- # To run all tests: test-all-red
- set dir [pwd]
- catch "cd tcl/test"
- source misc_simple.tcl
- remove-all-packet-headers ; # removes all except common
- add-packet-header Flags IP TCP ; # hdrs reqd for validation test
-
- # 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 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.
- 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"
- Agent/TCP set oldCode_ true
- Agent/TCP set minrto_ 0
- # The default is being changed to minrto_ 1
- Agent/TCP set syn_ false
- Agent/TCP set delay_growth_ false
- # In preparation for changing the default values for syn_ and delay_growth_.
- set flowfile fairflow.tr; # file where flow data is written
- set flowgraphfile fairflow.xgr; # file given to graph tool
- TestSuite instproc finish file {
- global quiet PERL
- $self instvar ns_ tchan_ testName_
- exec $PERL ../../bin/getrc -s 2 -d 3 all.tr |
- $PERL ../../bin/raw2xg -a -s 0.01 -m 90 -t $file > temp.rands
- if {$quiet == "false"} {
- exec xgraph -bb -tk -nl -m -x time -y packets temp.rands &
- }
- ## now use default graphing tool to make a data file
- ## if so desired
- if { [info exists tchan_] && $quiet == "false" } {
- $self plotQueue $testName_
- }
- $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_
- }
- Class Topology
- Topology instproc node? num {
- $self instvar node_
- return $node_($num)
- }
- Class Topology/net2 -superclass Topology
- Topology/net2 instproc init 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]
- $self next
- $ns duplex-link $node_(s1) $node_(r1) 10Mb 2ms DropTail
- $ns duplex-link $node_(s2) $node_(r1) 10Mb 3ms DropTail
- $ns duplex-link $node_(r1) $node_(r2) 1.5Mb 20ms RED/RIO
- #$ns duplex-link $node_(r1) $node_(r2) 1.5Mb 20ms RED
- $ns queue-limit $node_(r1) $node_(r2) 100
- $ns queue-limit $node_(r2) $node_(r1) 100
- $ns duplex-link $node_(s3) $node_(r2) 10Mb 4ms DropTail
- $ns duplex-link $node_(s4) $node_(r2) 10Mb 5ms 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
- }
- 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
- }
- }
- #
- # This test uses priority_method_ 1, so that flows with FlowID 0 have
- # priority over other flows.
- # OUT packets are dropped before any IN packets are dropped.
- #
- Class Test/strict -superclass TestSuite
- Test/strict instproc init {} {
- $self instvar net_ test_
- set net_ net2
- set test_ strict
- Queue/RED/RIO set in_thresh_ 10
- Queue/RED/RIO set in_maxthresh_ 20
- Queue/RED/RIO set out_thresh_ 3
- Queue/RED/RIO set out_maxthresh_ 9
- Queue/RED/RIO set in_linterm_ 10
- Queue/RED/RIO set linterm_ 10
- Queue/RED/RIO set priority_method_ 1
- #Queue/RED/RIO set debug_ true
- Queue/RED/RIO set debug_ false
- $self next pktTraceFile
- }
- Test/strict instproc run {} {
- $self instvar ns_ node_ testName_ net_
- $self setTopo
- set stoptime 20.0
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(s3) 0]
- $tcp1 set window_ 50
- set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(s3) 1]
- $tcp2 set window_ 50
- set ftp1 [$tcp1 attach-app FTP]
- set ftp2 [$tcp2 attach-app FTP]
- $self enable_tracequeue $ns_
- $ns_ at 0.0 "$ftp1 start"
- $ns_ at 1.0 "$ftp2 start"
- $self tcpDump $tcp1 5.0
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]
- $ns_ at $stoptime "$self cleanupAll $testName_"
- $ns_ run
- }
- #
- # OUT packets are four times more likely to be dropped than IN packets.
- #
- Class Test/proportional -superclass TestSuite
- Test/proportional instproc init {} {
- $self instvar net_ test_
- set net_ net2
- set test_ proportional
- Queue/RED/RIO set in_thresh_ 3
- Queue/RED/RIO set in_maxthresh_ 15
- Queue/RED/RIO set out_thresh_ 3
- Queue/RED/RIO set out_maxthresh_ 15
- Queue/RED/RIO set in_linterm_ 3
- Queue/RED/RIO set linterm_ 12
- Queue/RED/RIO set priority_method_ 1
- Test/proportional instproc run {} [Test/strict info instbody run]
- $self next pktTraceFile
- }
- #
- # OUT packets are four times more likely to be dropped than IN packets.
- #
- Class Test/gentle -superclass TestSuite
- Test/gentle instproc init {} {
- $self instvar net_ test_
- set net_ net2
- set test_ gentle
- Queue/RED/RIO set in_thresh_ 3
- Queue/RED/RIO set in_maxthresh_ 15
- Queue/RED/RIO set out_thresh_ 3
- Queue/RED/RIO set out_maxthresh_ 15
- Queue/RED/RIO set in_linterm_ 50
- Queue/RED/RIO set linterm_ 200
- Queue/RED/RIO set priority_method_ 1
- Queue/RED/RIO set gentle_ false
- Queue/RED/RIO set in_gentle_ true
- Queue/RED/RIO set out_gentle_ true
- Test/gentle instproc run {} [Test/strict info instbody run]
- $self next pktTraceFile
- }
- #
- # OUT packets are four times more likely to be dropped than IN packets.
- #
- Class Test/notGentle -superclass TestSuite
- Test/notGentle instproc init {} {
- $self instvar net_ test_
- set net_ net2
- set test_ notGentle
- Queue/RED/RIO set in_thresh_ 3
- Queue/RED/RIO set in_maxthresh_ 15
- Queue/RED/RIO set out_thresh_ 3
- Queue/RED/RIO set out_maxthresh_ 15
- Queue/RED/RIO set in_linterm_ 50
- Queue/RED/RIO set linterm_ 200
- Queue/RED/RIO set priority_method_ 1
- Queue/RED/RIO set gentle_ false
- Queue/RED/RIO set in_gentle_ false
- Queue/RED/RIO set out_gentle_ false
- Test/notGentle instproc run {} [Test/strict info instbody run]
- $self next pktTraceFile
- }
- #
- # This test uses priority_method_ 0, with token bucket policing
- # and tagging.
- #
- Class Test/tagging -superclass TestSuite
- Test/tagging instproc init {} {
- $self instvar net_ test_
- set net_ net2
- set test_ tagging
- Queue/RED/RIO set in_thresh_ 10
- Queue/RED/RIO set in_maxthresh_ 20
- Queue/RED/RIO set out_thresh_ 3
- Queue/RED/RIO set out_maxthresh_ 9
- Queue/RED/RIO set in_linterm_ 10
- Queue/RED/RIO set linterm_ 10
- Queue/RED/RIO set priority_method_ 0
- $self next pktTraceFile
- }
- Test/tagging instproc run {} {
- $self instvar ns_ node_ testName_ net_
- $self setTopo
- set stoptime 20.0
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(s3) 0]
- $tcp1 set window_ 50
- set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(s3) 1]
- $tcp2 set window_ 50
- set ftp1 [$tcp1 attach-app FTP]
- set ftp2 [$tcp2 attach-app FTP]
- # make token bucket limiter for flow 0
- # Fill rate 100000 Bps, or 100 packets per second.
- set link1 [$ns_ link $node_(s1) $node_(r1)]
- set tcm1 [$ns_ maketbtagger Fid]
- $ns_ attach-tagger $link1 $tcm1
- set fcl1 [$tcm1 classifier]; # flow classifier
- $fcl1 set-flowrate 0 100000 10000 1
- #target_rate_ (fill rate, in Bps),
- #bucket_depth_,
- #tbucket_ (current bucket size, in bytes)
-
- # make token bucket limiter for flow 1
- # Fill rate 1000000 Bps, or 1000 packets per second.
- set link2 [$ns_ link $node_(s2) $node_(r1)]
- set tcm2 [$ns_ maketbtagger Fid]
- $ns_ attach-tagger $link2 $tcm2
- set fcl2 [$tcm2 classifier]; # flow classifier
- $fcl2 set-flowrate 1 1000000 10000 1
- $self enable_tracequeue $ns_
- $ns_ at 0.0 "$ftp1 start"
- $ns_ at 1.0 "$ftp2 start"
- $self tcpDump $tcp1 5.0
- # trace only the bottleneck link
- #$self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]
- $ns_ at $stoptime "$self cleanupAll $testName_"
- $ns_ run
- }
- TestSuite runTest