test-suite-tcp-init-win.tcl

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#
# Copyright (c) 1995 The Regents of the University of California.
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#    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
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# 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
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# @(#) $Header: /nfs/jade/vint/CVSROOT/ns-2/tcl/test/test-suite-tcp-init-win.tcl,v 1.11 2000/07/18 05:20:39 sfloyd Exp $
#
# To view a list of available tests to run with this script:
# ns test-suite-tcp.tcl
#

source misc_simple.tcl

Class Topology

Topology instproc node? num {
    $self instvar node_
    return $node_($num)
}

Class Topology/net6 -superclass Topology
Topology/net6 instproc init ns {
    $self instvar node_
    set node_(s1) [$ns node]
    set node_(s2) [$ns node]
    set node_(r1) [$ns node]
    set node_(k1) [$ns node]
    
    Queue/RED set setbit_ true
    $ns duplex-link $node_(s1) $node_(r1) 100Mb 5ms DropTail
    $ns duplex-link $node_(s2) $node_(r1) 100Mb 5ms DropTail
    $ns duplex-link $node_(r1) $node_(k1) 10Mb 100ms RED
    $ns queue-limit $node_(r1) $node_(k1) 25
    $ns queue-limit $node_(k1) $node_(r1) 25
}   
    
Class Topology/net7 -superclass Topology
Topology/net7 instproc init ns {
    $self instvar node_
    set node_(s1) [$ns node]
    set node_(s2) [$ns node]
    set node_(r1) [$ns node]
    set node_(k1) [$ns node]
    
    Queue/RED set setbit_ true
    $ns duplex-link $node_(s1) $node_(r1) 8Mb 5ms DropTail
    $ns duplex-link $node_(s2) $node_(r1) 8Mb 5ms DropTail
    $ns duplex-link $node_(r1) $node_(k1) 800Kb 100ms RED
    $ns queue-limit $node_(r1) $node_(k1) 25
    $ns queue-limit $node_(k1) $node_(r1) 25
}   
    
TestSuite instproc finish file {
	global quiet PERL
        exec $PERL ../../bin/getrc -s 2 -d 3 all.tr | \
          $PERL ../../bin/raw2xg -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
        exit 0
}

TestSuite instproc printtimers { tcp time} {
	global quiet
	if {$quiet == "false"} {
        	puts "time: $time sRTT(in ticks): [$tcp set srtt_]/8 RTTvar(in ticks): [$tcp set rttvar_]/4 backoff: [$tcp set backoff_]"
	}
}

TestSuite instproc printtimersAll { tcp time interval } {
        $self instvar dump_inst_ ns_
        if ![info exists dump_inst_($tcp)] {
                set dump_inst_($tcp) 1
                $ns_ at $time "$self printtimersAll $tcp $time $interval"
                return
        }
	set newTime [expr [$ns_ now] + $interval]
	$ns_ at $time "$self printtimers $tcp $time"
        $ns_ at $newTime "$self printtimersAll $tcp $newTime $interval"
}

# Definition of test-suite tests

TestSuite instproc run_test {tcp1 tcp2 tcp3 dumptime runtime window} {
	$self instvar ns_ node_ testName_

	set ftp2 [$tcp2 attach-app FTP]
	$ns_ at 0.0 "$ftp2 start"
	set ftp3 [$tcp3 attach-app FTP]
	$ns_ at 0.0 "$ftp3 start"
	$self runall_test $tcp1 $dumptime $runtime
}

TestSuite instproc runall_test {tcp1 dumptime runtime} {
	$self instvar ns_ node_ testName_

	set ftp1 [$tcp1 attach-app FTP]
	$ns_ at 0.0 "$ftp1 start"

	$self tcpDump $tcp1 $dumptime
	#$self traceQueues $node_(r1) [$self openTrace $runtime $testName_]
	$ns_ at $runtime "$self cleanupAll $testName_"
	$ns_ run
}

TestSuite instproc second_test {tcp1 tcp2} {
	$self instvar ns_ node_ testName_
	$tcp1 set window_ 40
	set ftp1 [$tcp1 attach-app FTP]
	$ns_ at 1.0 "$ftp1 start"

	$tcp2 set window_ 40
	set ftp2 [$tcp2 attach-app FTP]
	$ns_ at 0.0 "$ftp2 start"

	$self tcpDump $tcp1 5.0
	#$self traceQueues $node_(r1) [$self openTrace 10.0 $testName_]
	$ns_ at 10.0 "$self cleanupAll $testName_"
	$ns_ run
}

TestSuite instproc make_tcp {nodeA nodeB ID type} {
	$self instvar ns_ node_ 
        if {$type == "Tahoe"} {
		set tcp [$ns_ create-connection TCP $node_($nodeA) TCPSink $node_($nodeB) $ID]
	}
        if {$type == "Reno"} {
		set tcp [$ns_ create-connection TCP/Reno $node_($nodeA) TCPSink $node_($nodeB) $ID]
	}
        if {$type == "Newreno"} {
		set tcp [$ns_ create-connection TCP/Newreno $node_($nodeA) TCPSink $node_($nodeB) $ID]
	}
        if {$type == "Sack"} {
		set tcp [$ns_ create-connection TCP/Sack1 $node_($nodeA) TCPSink/Sack1 $node_($nodeB) $ID]
	}
	return $tcp
}

TestSuite instproc setTopo {} {
    $self instvar node_ net_ ns_ topo_

    set topo_ [new Topology/$net_ $ns_]
    if {$net_ == "net6" || $net_ == "net7"} {
        set node_(s1) [$topo_ node? s1]
        set node_(s2) [$topo_ node? s2] 
        set node_(r1) [$topo_ node? r1]
        set node_(k1) [$topo_ node? k1]
        [$ns_ link $node_(r1) $node_(k1)] trace-dynamics $ns_ stdout
    } 
}   


Class Test/tahoe1 -superclass TestSuite
Test/tahoe1 instproc init {} {
	$self instvar net_ test_ 
	set net_	net6
	set test_	tahoe1(variable_packet_sizes)
        $self next
}
Test/tahoe1 instproc run {} {
        $self instvar ns_ node_ testName_
	$self setTopo
	Agent/TCP set syn_ true
	Agent/TCP set delay_growth_ true
	Agent/TCP set windowInitOption_ 2
	set tcp1 [$self make_tcp s1 k1 0 Tahoe]
	$tcp1 set packetSize_ 1000
	set tcp2 [$self make_tcp s2 k1 1 Tahoe]
	$tcp2 set packetSize_ 1500
	set tcp3 [$self make_tcp s2 k1 2 Tahoe]
	$tcp3 set packetSize_ 2500
	$self run_test $tcp1 $tcp2 $tcp3 1.0 1.0 16
}

Class Test/tahoe2 -superclass TestSuite
Test/tahoe2 instproc init {} {
	$self instvar net_ test_
	set net_	net6
	set test_	tahoe2(static_initial_windows)
	$self next
}
Test/tahoe2 instproc run {} {
	$self instvar ns_ node_ testName_
	$self setTopo
	set tcp1 [$self make_tcp s1 k1 0 Tahoe] 
	$tcp1 set windowInit_ 6
	set tcp2 [$self make_tcp s2 k1 1 Tahoe]
	$tcp2 set syn_ true
	$tcp2 set delay_growth_ true
	set tcp3 [$self make_tcp s2 k1 2 Tahoe]
	$tcp3 set windowInit_ 6
	$tcp3 set syn_ true
	$tcp3 set delay_growth_ true
	$self run_test $tcp1 $tcp2 $tcp3 1.0 1.0 16
}

Class Test/tahoe3 -superclass TestSuite
Test/tahoe3 instproc init {} {
	$self instvar net_ test_ 
	set net_	net6
	set test_	tahoe3(dropped_syn)
        $self next
}

## Drop the n-th packet for flow on link.
TestSuite instproc drop_pkt { link flow n } {
	set em [new ErrorModule Fid]
	set errmodel [new ErrorModel/Periodic]
	$errmodel unit pkt
	$errmodel set offset_ n
	$errmodel set period_ 1000.0
	$link errormodule $em
	$em insert $errmodel
	$em bind $errmodel $flow
}

Test/tahoe3 instproc run {} {
        $self instvar ns_ node_ testName_ 
	$self setTopo
	Agent/TCP set syn_ true
	Agent/TCP set delay_growth_ true
	Agent/TCP set windowInitOption_ 2
	set tcp1 [$self make_tcp s1 k1 0 Tahoe]
	$tcp1 set packetSize_ 1000
	$self drop_pkt [$ns_ link $node_(r1) $node_(k1)] 0 1
	$self runall_test $tcp1 10.0 10.0 
}

Class Test/tahoe4 -superclass TestSuite
Test/tahoe4 instproc init {} {
	$self instvar net_ test_
	set net_	net7
	set test_	tahoe4(fast_retransmit)
	Queue/RED set ns1_compat_ true
	$self next
}
Test/tahoe4 instproc run {} {
	$self instvar ns_ node_ testName_
	$self setTopo
	Agent/TCP set packetSize_ 1000
	Agent/TCP set windowInitOption_ 2
	Agent/TCP set syn_ true
	Agent/TCP set delay_growth_ true

        set tcp1 [$self make_tcp s1 k1 0 Tahoe] 
        set tcp2 [$self make_tcp s2 k1 1 Tahoe]
	$self second_test $tcp1 $tcp2
}

Class Test/reno1 -superclass TestSuite
Test/reno1 instproc init {} {
	$self instvar net_ test_ 
	set net_	net6
	set test_	reno1(variable_packet_sizes)
        $self next
}
Test/reno1 instproc run {} {
        $self instvar ns_ node_ testName_
	$self setTopo
	Agent/TCP set syn_ true
	Agent/TCP set delay_growth_ true