test-suite-quickstart.tcl

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#
# Copyright (c) 2003  International Computer Science Institute
# 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 ACIRI, the AT&T
#      Center for Internet Research at ICSI (the International Computer
#      Science Institute).
# 4. Neither the name of ACIRI nor of ICSI may be used
#    to endorse or promote products derived from this software without
#    specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY ICSI 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 ICSI 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.
#

source misc_simple.tcl
source support.tcl
remove-all-packet-headers       ; # removes all except common
add-packet-header Flags IP TCP QS ; # hdrs reqd for validation test

# FOR UPDATING GLOBAL DEFAULTS:
Agent/TCP set bugfix_ss_ 0

set wrap 90
set wrap1 [expr $wrap * 512 + 40]

Queue set util_weight_ 2  
# 18 seconds
Agent/QSAgent set alloc_rate_ 0.5    
# up to 0.5 of link bandwidth.
Agent/QSAgent set qs_enabled_ 1
Agent/QSAgent set state_delay_ 0.35  
# 0.35 seconds for past approvals
Agent/QSAgent set rate_function_ 1

Agent/TCPSink set qs_enabled_ true
Agent/TCP set qs_enabled_ true

# Uncomment the line below to use a random seed for the
#  random number generator.
# ns-random 0

TestSuite instproc finish {file stoptime} {
        global quiet PERL wrap wrap1

        set space 512
        if [string match {*full*} $file] {
                exec $PERL ../../bin/getrc -s 2 -d 3 all.tr | \
                   $PERL ../../bin/raw2xg -c -n $space -s 0.01 -m $wrap1 -t $file > temp.rands
                #exec $PERL ../../bin/getrc -s 3 -d 2 all.tr | \
                #   $PERL ../../bin/raw2xg -a -c -f -p -y -n $space -s 0.01 -m $wrap1 -t $file >> temp.rands
        } else {
                exec $PERL ../../bin/getrc -s 2 -d 3 all.tr | \
                  $PERL ../../bin/raw2xg -s 0.01 -m $wrap -t $file > temp.rands
                #exec $PERL ../../bin/getrc -s 3 -d 2 all.tr | \
                #  $PERL ../../bin/raw2xg -a -c -p -y -s 0.01 -m $wrap -t $file \
                #  >> temp.rands
        } 
#	exec $PERL ../../bin/getrc -s 2 -d 3 all.tr | \
#	  $PERL ../../bin/raw2xg -s 0.01 -m 90 -t $file > temp.rands
        exec echo $stoptime 0 >> temp.rands 
        if {$quiet == "false"} {
                exec xgraph -bb -tk -nl -m -x time -y packets temp.rands &
        }
	#exec csh gnuplotA.com temp.rands quickstart
	#exec csh gnuplotA2.com temp.rands quickstart
        exit 0
}


TestSuite instproc emod {} {
        $self instvar topo_
        $topo_ instvar lossylink_
        set errmodule [$lossylink_ errormodule]
        return $errmodule
}


TestSuite instproc drop_pkts pkts {
    $self instvar ns_ errmodel
    set emod [$self emod]
    set errmodel [new ErrorModel/List]
    $errmodel droplist $pkts
    $emod insert $errmodel
    $emod bind $errmodel 1
}


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) 1000Mb 2ms DropTail
    $ns duplex-link $node_(s2) $node_(r1) 1000Mb 3ms DropTail
    $ns duplex-link $node_(r1) $node_(r2) 100Mb 500ms RED
    $ns queue-limit $node_(r1) $node_(r2) 100
    $ns queue-limit $node_(r2) $node_(r1) 100 
    $ns duplex-link $node_(s3) $node_(r2) 1000Mb 4ms DropTail
    $ns duplex-link $node_(s4) $node_(r2) 1000Mb 5ms DropTail

    $self instvar lossylink_
    set lossylink_ [$ns link $node_(s1) $node_(r1)]
    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
}

Class Topology/net3 -superclass Topology
Topology/net3 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) 1000Mb 2ms DropTail
    $ns duplex-link $node_(s2) $node_(r1) 1000Mb 3ms DropTail
    $ns duplex-link $node_(r1) $node_(r2) 100Mb 500ms RED
    $ns queue-limit $node_(r1) $node_(r2) 100
    $ns queue-limit $node_(r2) $node_(r1) 100 
    $ns duplex-link $node_(s3) $node_(r2) 1000Mb 4ms DropTail
    $ns duplex-link $node_(s4) $node_(r2) 1000Mb 5ms DropTail
}

Class Topology/net4 -superclass Topology
Topology/net4 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) 1000Mb 2ms DropTail
    $ns duplex-link $node_(s2) $node_(r1) 1000Mb 3ms DropTail
    $ns duplex-link $node_(r1) $node_(r2) 10Mb 200ms RED
    $ns queue-limit $node_(r1) $node_(r2) 50
    $ns queue-limit $node_(r2) $node_(r1) 50 
    $ns duplex-link $node_(s3) $node_(r2) 1000Mb 4ms DropTail
    $ns duplex-link $node_(s4) $node_(r2) 1000Mb 5ms DropTail
}

Class Test/no_quickstart -superclass TestSuite
Test/no_quickstart instproc init {} {
    $self instvar net_ test_ guide_ sndr rcvr qs
    set net_	net3
    set test_ no_quickstart	
    set guide_  "Two TCPs, no quickstart."
    set sndr TCP/Newreno
    set rcvr TCPSink
    set qs OFF
    Agent/QSAgent set qs_enabled_ 0
    $self next pktTraceFile
}
Test/no_quickstart instproc run {} {
    global quiet
    $self instvar ns_ node_ testName_ guide_ sndr rcvr qs
    puts "Guide: $guide_"
    $ns_ node-config -QS $qs
    $self setTopo
    set stopTime 6

    set tcp1 [$ns_ create-connection TCP/Newreno $node_(s1) TCPSink $node_(s3) 0]
    $tcp1 set window_ 8
    set ftp1 [new Application/FTP]
    $ftp1 attach-agent $tcp1
    $ns_ at 0.0 "$ftp1 start"

    set tcp2 [$ns_ create-connection $sndr $node_(s1) $rcvr $node_(s3) 1]
    $tcp2 set window_ 1000
    $tcp2 set rate_request_ 20
    set ftp2 [new Application/FTP]
    $ftp2 attach-agent $tcp2
    $ns_ at 2.0 "$ftp2 produce 80"

    $ns_ at $stopTime "$self cleanupAll $testName_ $stopTime" 

    $ns_ run
}

Class Test/quickstart -superclass TestSuite
Test/quickstart instproc init {} {
    $self instvar net_ test_ guide_ sndr rcvr qs
    set net_	net3
    set test_ quickstart	
    set guide_  "Two TCPs, TCP/Newreno, with QuickStart."
    set sndr TCP/Newreno
    set rcvr TCPSink
    set qs ON
    Test/quickstart instproc run {} [Test/no_quickstart info instbody run ]
    $self next pktTraceFile
}

Class Test/quickstart1 -superclass TestSuite
Test/quickstart1 instproc init {} {
    $self instvar net_ test_ guide_ sndr rcvr qs
    set net_	net3
    set test_ quickstart1	
    set guide_  "Two TCPs, plain TCP, with QuickStart."
    set sndr TCP
    set rcvr TCPSink
    set qs ON
    Test/quickstart1 instproc run {} [Test/no_quickstart info instbody run ]
    $self next pktTraceFile
}

Class Test/quickstart2 -superclass TestSuite
Test/quickstart2 instproc init {} {
    $self instvar net_ test_ guide_ sndr rcvr qs
    set net_	net3
    set test_ quickstart2	
    set guide_  "Two TCPs, Reno TCP, with QuickStart."
    set sndr TCP/Reno
    set rcvr TCPSink
    set qs ON
    Test/quickstart2 instproc run {} [Test/no_quickstart info instbody run ]
    $self next pktTraceFile
}

Class Test/quickstart3 -superclass TestSuite
Test/quickstart3 instproc init {} {
    $self instvar net_ test_ guide_ sndr rcvr qs
    set net_	net3
    set test_ quickstart3	
    set guide_  "Two TCPs, NewReno TCP, with QuickStart."
    set sndr TCP/Newreno
    set rcvr TCPSink
    set qs ON
    Test/quickstart3 instproc run {} [Test/no_quickstart info instbody run ]
    $self next pktTraceFile
}

Class Test/quickstart4 -superclass TestSuite
Test/quickstart4 instproc init {} {
    $self instvar net_ test_ guide_ sndr rcvr qs
    set net_	net3
    set test_ quickstart4	
    set guide_  "Two TCPs, Sack TCP, with QuickStart."
    set sndr TCP/Sack1
    set rcvr TCPSink/Sack1
    set qs ON
    Test/quickstart4 instproc run {} [Test/no_quickstart info instbody run ]
    $self next pktTraceFile
}

Class Test/quickstart4full -superclass TestSuite
Test/quickstart4full instproc init {} {
    $self instvar net_ test_ guide_ sndr rcvr qs
    set net_	net2
    set test_ quickstart4	
    set guide_  "Two TCPs, Sack Full TCP.  QuickStart not added to Full TCP yet."
    set sndr TCP/Sack1
    set rcvr TCPSink/Sack1
    set qs ON
    $self next pktTraceFile
}
Test/quickstart4full instproc run {} {
    global quiet wrap1 wrap
    $self instvar ns_ node_ testName_ guide_ sndr rcvr qs
    puts "Guide: $guide_"
    $ns_ node-config -QS $qs
    $self setTopo
    set stopTime 6

    set tcp1 [$ns_ create-connection TCP/Newreno $node_(s1) TCPSink $node_(s3) 0]
    $tcp1 set window_ 8
    set ftp1 [new Application/FTP]
    $ftp1 attach-agent $tcp1
    $ns_ at 0.0 "$ftp1 start"

    set wrap $wrap1
    set fid 1
    set tcp2 [new Agent/TCP/FullTcp/Sack]
    set sink [new Agent/TCP/FullTcp/Sack]
    $ns_ attach-agent $node_(s1) $tcp2
    $ns_ attach-agent $node_(s3) $sink
    $tcp2 set fid_ $fid
    $sink set fid_ $fid
    $ns_ connect $tcp2 $sink
    # set up TCP-level connections
    $sink listen ; # will figure out who its peer is

    #set tcp2 [$ns_ create-connection $sndr $node_(s1) $rcvr $node_(s3) 1]
    $tcp2 set window_ 1000
    $tcp2 set rate_request_ 20
    set ftp2 [new Application/FTP]
    $ftp2 attach-agent $tcp2
    $ns_ at 2.0 "$ftp2 produce 80"

    $ns_ at $stopTime "$self cleanupAll $testName_ $stopTime" 

    $ns_ run
}


Class Test/high_request -superclass TestSuite
Test/high_request instproc init {} {
    $self instvar net_ test_ guide_ sndr rcvr qs
    set net_	net3
    set test_ high_request	
    set guide_  "A high Quick-Start request."
    set sndr TCP/Sack1
    set rcvr TCPSink/Sack1
    Agent/QSAgent set alloc_rate_ 0.01
    Agent/QSAgent set algorithm_ 1
    Agent/TCP set qs_request_mode_ 0
    set qs ON
    $self next pktTraceFile
}
Test/high_request instproc run {} {
    global quiet
    $self instvar ns_ node_ testName_ guide_ sndr rcvr qs
    puts "Guide: $guide_"
    $ns_ node-config -QS $qs
    $self setTopo
    set stopTime 6

    set tcp1 [$ns_ create-connection TCP/Newreno $node_(s1) TCPSink $node_(s3) 0]
    $tcp1 set window_ 8
    set ftp1 [new Application/FTP]
    $ftp1 attach-agent $tcp1
    $ns_ at 0.0 "$ftp1 start"

    set tcp2 [$ns_ create-connection $sndr $node_(s1) $rcvr $node_(s3) 1]
    $tcp2 set window_ 1000
    $tcp2 set rate_request_ 1000
    set ftp2 [new Application/FTP]
    $ftp2 attach-agent $tcp2
    $ns_ at 2.0 "$ftp2 produce 80"