test-suite-friendly.tcl

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Test/delayedTFRC instproc init {} {
    $self instvar net_ test_ guide_ list_ period_
    set net_    net2
    set test_   delayedTFRC
    set guide_  \
    "One TFRC flow, with some packets delayed 0.03 seconds, numPkts_ 1."
    set period_ 40.0
    ErrorModel set delay_pkt_ true
    ErrorModel set drop_ false
    ErrorModel set delay_ 0.03
    Agent/TFRCSink set numPkts_ 1
    Test/delayedTFRC instproc run {} [Test/goodTFRC info instbody run ]
    $self next pktTraceFile
}

Class Test/delayedTFRC1 superclass TestSuite
Test/delayedTFRC1 instproc init {} {
    $self instvar net_ test_ guide_ list_ period_
    set net_    net2
    set test_   delayedTFRC1
    set guide_  \
    "One TFRC flow, with some packets delayed 0.03 seconds, numPkts_ 5."
    set period_ 40.0
    ErrorModel set delay_pkt_ true
    ErrorModel set drop_ false
    ErrorModel set delay_ 0.03
    Agent/TFRCSink set numPkts_ 5
    Test/delayedTFRC1 instproc run {} [Test/goodTFRC info instbody run ]
    $self next pktTraceFile
}

Class Test/delayedTFRC2 superclass TestSuite
Test/delayedTFRC2 instproc init {} {
    $self instvar net_ test_ guide_ list_ period_
    set net_    net2
    set test_   delayedTFRC2
    set guide_  \
    "One TFRC flow, with some packets delayed 0.01 seconds, numPkts_ 3."
    set period_ 40.0
    ErrorModel set delay_pkt_ true
    ErrorModel set drop_ false
    ErrorModel set delay_ 0.01
    Agent/TFRCSink set numPkts_ 3
    Test/delayedTFRC2 instproc run {} [Test/goodTFRC info instbody run ]
    $self next pktTraceFile
}

Class Test/goodTCP superclass TestSuite
Test/goodTCP instproc init {} {
    $self instvar net_ test_ guide_ list_ period_
    set net_	net2
    set test_	goodTCP
    set guide_  \
    "One TCP flow, no reordering and no extra drops."
    set list_ {50000 50001}
    set period_ 1000.0
    $self next pktTraceFile
}
Test/goodTCP instproc run {} {
    global quiet
    $self instvar ns_ node_ testName_ interval_ dumpfile_ guide_ list_ period_
    puts "Guide: $guide_"
    $self setTopo
    set interval_ 0.1
    set stopTime 20.0
    set stopTime0 [expr $stopTime - 0.001]
    set stopTime2 [expr $stopTime + 0.001]

    set dumpfile_ [open temp.s w]
    if {$quiet == "false"} {
        set tracefile [open all.tr w]
        $ns_ trace-all $tracefile
    }

    set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(s3) 0]
    set ftp1 [$tcp1 attach-app FTP]
    $ns_ at 0.0 "$ftp1 start"
    $self pktsDump 1 $tcp1 $interval_ $dumpfile_

    $self dropPktsPeriodic [$ns_ link $node_(r2) $node_(s3)] 0 200.0 $period_

    $ns_ at $stopTime0 "close $dumpfile_; $self finish_1 $testName_"
    #$self traceQueues $node_(r1) [$self openTrace $stopTime $testName_]
    $ns_ at $stopTime "$self cleanupAll $testName_" 
    if {$quiet == "false"} {
	$ns_ at $stopTime2 "close $tracefile"
    }
    $ns_ at $stopTime2 "exec cp temp2.rands temp.rands; exit 0"
    $ns_ at $stopTime0 "$self printpkts 0 $tcp1"

    # trace only the bottleneck link
    $ns_ run
}

Class Test/droppedTCP superclass TestSuite
Test/droppedTCP instproc init {} {
    $self instvar net_ test_ guide_ list_ period_
    set net_    net2
    set test_   droppedTCP
    set guide_  \
    "One TCP flow, with extra dropped packets."
    set period_ 40.0
    Test/droppedTCP instproc run {} [Test/goodTCP info instbody run ]
    $self next pktTraceFile
}

Class Test/delayedTCP superclass TestSuite
Test/delayedTCP instproc init {} {
    $self instvar net_ test_ guide_ list_ period_
    set net_    net2
    set test_   delayedTCP
    set guide_  \
    "One TCP flow, with some packets delayed 0.03 seconds."
    set period_ 40.0
    ErrorModel set delay_pkt_ true
    ErrorModel set drop_ false
    ErrorModel set delay_ 0.03
    Test/delayedTCP instproc run {} [Test/goodTCP info instbody run ]
    $self next pktTraceFile
}

Class Test/delayedTCP2 superclass TestSuite
Test/delayedTCP2 instproc init {} {
    $self instvar net_ test_ guide_ list_ period_
    set net_    net2
    set test_   delayedTCP2
    set guide_  \
    "One TCP flow, with some packets delayed 0.01 seconds."
    set period_ 40.0
    ErrorModel set delay_pkt_ true
    ErrorModel set drop_ false
    ErrorModel set delay_ 0.01
    Test/delayedTCP2 instproc run {} [Test/goodTCP info instbody run ]
    $self next pktTraceFile
}

Class Test/initRate superclass TestSuite
Test/initRate instproc init {} {
    $self instvar net_ test_ guide_ period_
    set net_	net2
    set test_	initRate
    set guide_  \
    "One TFRC flow, initial rate of one packet per RTT."
    set period_ 10000.0
    Agent/TFRC set rate_init_ 1 
    Agent/TFRC set rate_init_option_ 1
    $self next pktTraceFile
}
Test/initRate instproc run {} {
    global quiet
    $self instvar ns_ node_ testName_ interval_ dumpfile_ guide_ period_
    puts "Guide: $guide_"
    $self setTopo
    Agent/TFRC set SndrType_ 1
    Agent/TFRC set idleFix_ true ;		
    set interval_ 0.1
    set stopTime 2.0
    set stopTime0 [expr $stopTime - 0.001]
    set stopTime2 [expr $stopTime + 0.001]

    set dumpfile_ [open temp.s w]
    if {$quiet == "false"} {
        set tracefile [open all.tr w]
        $ns_ trace-all $tracefile
    }

    set tf1 [$ns_ create-connection TFRC $node_(s1) TFRCSink $node_(s3) 0]
    set ftp [new Application/FTP]
    $ftp attach-agent $tf1
    $ns_ at 0 "$ftp produce 50"
    $ns_ at 1.5 "$ftp producemore 50"

    $self dropPktsPeriodic [$ns_ link $node_(r2) $node_(s3)] 0 1000.0 $period_

    $self tfccDump 1 $tf1 $interval_ $dumpfile_

    $ns_ at $stopTime0 "close $dumpfile_; $self finish_1 $testName_"
    #$self traceQueues $node_(r1) [$self openTrace $stopTime $testName_]
    $ns_ at $stopTime "$self cleanupAll $testName_" 
    if {$quiet == "false"} {
	$ns_ at $stopTime2 "close $tracefile"
    }
    $ns_ at $stopTime2 "exec cp temp2.rands temp.rands; exit 0"
    # $ns_ at $stopTime0 "$self printTFRCpkts 0 $tf1"

    # trace only the bottleneck link
    $ns_ run
}

Class Test/initRateLarge superclass TestSuite
Test/initRateLarge instproc init {} {
    $self instvar net_ test_ guide_ period_
    set net_	net2
    set test_	initRateLarge
    set guide_  \
    "One TFRC flow, initial rate of 4 packets per RTT."
    set period_ 10000.0
    Agent/TFRC set rate_init_ 4.0 
    Agent/TFRC set rate_init_option_ 1
    Test/initRateLarge instproc run {} [Test/initRate info instbody run ]
    $self next pktTraceFile
}

Class Test/initRateLarger superclass TestSuite
Test/initRateLarger instproc init {} {
    $self instvar net_ test_ guide_ period_
    set net_	net2
    set test_	initRateLarger
    set guide_  \
    "One TFRC flow, initial rate of 8 packets per RTT."
    set period_ 10000.0
    Agent/TFRC set rate_init_ 8.0 
    Agent/TFRC set rate_init_option_ 1
    Test/initRateLarger instproc run {} [Test/initRate info instbody run ]
    $self next pktTraceFile
}

Class Test/initRateRFC3390 superclass TestSuite
Test/initRateRFC3390 instproc init {} {
    $self instvar net_ test_ guide_ period_
    set net_	net2
    set test_	initRateRFC3390
    set guide_  \
    "One TFRC flow, initial rate from RFC 3390."
    set period_ 10000.0
    Agent/TFRC set rate_init_option_ 2
    Test/initRateRFC3390 instproc run {} [Test/initRate info instbody run ]
    $self next pktTraceFile
}

TestSuite instproc printdrops { fid fmon } {
        set fcl [$fmon classifier]; # flow classifier
        #
        set flow [$fcl lookup auto 0 0 $fid]
        puts "fid: $fid drops [$flow set pdrops_] marks [$flow set pmarks_]"
        puts "fid: $fid packets [$flow set pdepartures_] _bytes [$flow set bdepartures_]"
}

Class Test/tfrcOnly superclass TestSuite
Test/tfrcOnly instproc init {} {
    $self instvar net_ test_ guide_ 
    set net_	net2d
    set test_	tfrcOnly
    set guide_  \
    "One VoIP TFRC flow."
    Agent/TFRC set voip_ 1
    Agent/TFRCSink set ShortIntervals_ 1
    $self next pktTraceFile
}
Test/tfrcOnly instproc run {} {
    global quiet
    $self instvar ns_ node_ testName_ interval_ dumpfile_ guide_ 
    puts "Guide: $guide_"
    $self setTopo
    set interval_ 0.1
    set stopTime 20.0
    set stopTime0 [expr $stopTime - 0.001]
    set stopTime2 [expr $stopTime + 0.001]
    set pktsize 120
    set cbrInterval 0.01

    set slink [$ns_ link $node_(r1) $node_(r2)]; # link to collect stats on
    set fmon [$ns_ makeflowmon Fid]
    $ns_ attach-fmon $slink $fmon    

    set dumpfile_ [open temp.s w]
    if {$quiet == "false"} {
        set tracefile [open all.tr w]
        $ns_ trace-all $tracefile
    }

    $ns_ at 0.0 "$ns_ bandwidth $node_(r1) $node_(r2) 0.2Mbps duplex"
    $ns_ queue-limit $node_(r1) $node_(r2) 50

    set tf1 [$ns_ create-connection TFRC $node_(s1) TFRCSink $node_(s3) 0]
    $tf1 set packetSize_ $pktsize
    set cbr [new Application/Traffic/CBR]
    $cbr set packetSize_ $pktsize
    $cbr set interval_ $cbrInterval
    $cbr attach-agent $tf1
    $ns_ at 2.0 "$cbr start"
    $ns_ at $stopTime0 "$cbr stop"

    $self tfccDump 1 $tf1 $interval_ $dumpfile_ 

    $ns_ at $stopTime0 "close $dumpfile_; $self finish_1 $testName_"
    $ns_ at $stopTime0 "$self printdrops 0 $fmon"
    $ns_ at $stopTime "$self cleanupAll $testName_" 
    if {$quiet == "false"} {
	$ns_ at $stopTime2 "close $tracefile"
    }
    $ns_ at $stopTime2 "exec cp temp2.rands temp.rands; exit 0"

    # trace only the bottleneck link
    $ns_ run
}

Class Test/tfrcOnlyHighLoss superclass TestSuite
Test/tfrcOnlyHighLoss instproc init {} {
    $self instvar net_ test_ guide_ voip
    set net_	net2d
    set test_	tfrcOnlyHighLoss
    set guide_  "One VoIP TFRC flow, high loss."
    Agent/TFRC set voip_ 1
    Agent/TFRCSink set ShortIntervals_ 1
    $self next pktTraceFile
}
Test/tfrcOnlyHighLoss instproc run {} {
    global quiet
    $self instvar ns_ node_ testName_ interval_ dumpfile_ guide_ voip
    puts "Guide: $guide_"
    $self setTopo
    set interval_ 0.1
    set stopTime 20.0
    set stopTime0 [expr $stopTime - 0.001]
    set stopTime2 [expr $stopTime + 0.001]
    set pktsize 120
    set cbrInterval 0.01
    set droprate 0.2

    set slink [$ns_ link $node_(r1) $node_(r2)]; # link to collect stats on
    set fmon [$ns_ makeflowmon Fid]
    $ns_ attach-fmon $slink $fmon    

    set lossylink_ [$ns_ link $node_(r1) $node_(r2)]
    set em [new ErrorModule Fid]
    set errmodel [new ErrorModel/Uniform $droprate pkt ]
    $lossylink_ errormodule $em
    $em insert $errmodel
    $em bind $errmodel 0 5
    $em default pass

    set dumpfile_ [open temp.s w]
    if {$quiet == "false"} {
        set tracefile [open all.tr w]
        $ns_ trace-all $tracefile
    }

    $ns_ at 0.0 "$ns_ bandwidth $node_(r1) $node_(r2) 0.2Mbps duplex"
    $ns_ queue-limit $node_(r1) $node_(r2) 50

    set tf1 [$ns_ create-connection TFRC $node_(s1) TFRCSink $node_(s3) 0]
    $tf1 set packetSize_ $pktsize
    set cbr [new Application/Traffic/CBR]
    $cbr set packetSize_ $pktsize
    $cbr set interval_ $cbrInterval
    $cbr attach-agent $tf1
    $ns_ at 2.0 "$cbr start"
    $ns_ at $stopTime0 "$cbr stop"

    $self tfccDump 1 $tf1 $interval_ $dumpfile_ 

    $ns_ at $stopTime0 "close $dumpfile_; $self finish_1 $testName_"
    $ns_ at $stopTime0 "$self printdrops 0 $fmon"
    $ns_ at $stopTime "$self cleanupAll $testName_" 
    if {$quiet == "false"} {
	$ns_ at $stopTime2 "close $tracefile"
    }
    $ns_ at $stopTime2 "exec cp temp2.rands temp.rands; exit 0"

    # trace only the bottleneck link
    $ns_ run
}

Class Test/tfrcOnlyHighLoss1 superclass TestSuite
Test/tfrcOnlyHighLoss1 instproc init {} {
    $self instvar net_ test_ guide_ voip
    set net_	net2d
    set test_	tfrcOnlyHighLoss1
    set guide_  "One VoIP TFRC flow, high loss, old measurement of loss event rate."
    Agent/TFRC set voip_ 1
    Agent/TFRCSink set ShortIntervals_ 11
    Test/tfrcOnlyHighLoss1 instproc run {} [Test/tfrcOnlyHighLoss info instbody run ]
    $self next pktTraceFile
}

Class Test/voip superclass TestSuite
Test/voip instproc init {} {
    $self instvar net_ test_ guide_ 
    set net_	net2d
    set test_	voip
    set guide_  \
    "One VoIP TFRC flow and one TCP flow, different packet sizes."
    Agent/TFRC set voip_ 1
    Agent/TFRCSink set ShortIntervals_ 1
    $self next pktTraceFile
}
Test/voip instproc run {} {
    global quiet
    $self instvar ns_ node_ testName_ interval_ dumpfile_ guide_ 
    puts "Guide: $guide_"
    $self setTopo
    set interval_ 0.1
    set stopTime 20.0
    set stopTime0 [expr $stopTime - 0.001]
    set stopTime2 [expr $stopTime + 0.001]
    set pktsize 120
    set cbrInterval 0.01

    set slink [$ns_ link $node_(r1) $node_(r2)]; # link to collect stats on
    set fmon [$ns_ makeflowmon Fid]
    $ns_ attach-fmon $slink $fmon    

    set dumpfile_ [open temp.s w]
    if {$quiet == "false"} {
        set tracefile [open all.tr w]
        $ns_ trace-all $tracefile
    }

    $ns_ at 0.0 "$ns_ bandwidth $node_(r1) $node_(r2) 0.2Mbps duplex"
    $ns_ queue-limit $node_(r1) $node_(r2) 50 

    set tf1 [$ns_ create-connection TFRC $node_(s1) TFRCSink