test-suite-full-fixes.tcl

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# Copyright (c) 1995 The Regents of the University of California.
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
# 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.
#

# test-suite-full-fixes.tcl
#
# Based on ns/tcl/test/test-suite-full.tcl
#
# Modified June 2005 by Michele C. Weigle, Clemson University
#
# For a detailed description of the examples in this file, see
# http://www.cs.clemson.edu/~mweigle/research/ns/fixes/
#

source misc.tcl
source topologies-full-fixes.tcl

# defaults as of ns-2.1b9  May 2002
Agent/TCP set tcpTick_ 0.01
Agent/TCP set rfc2988_ true
Agent/TCP set useHeaders_ true
Agent/TCP set windowInit_ 2
Agent/TCP set minrto_ 1
Agent/TCP set singledup_ 1

Trace set show_tcphdr_ 1 ; # needed to plot ack numbers for tracing 

TestSuite instproc finish testname {
	$self instvar ns_
	$ns_ halt

        set awkCode {
	    {if (($1=="+" || $1=="d") && (($3=="3" && $4=="2") || ($3=="2" && $4=="3"))) print}
	}
        exec awk $awkCode all.tr > temp.rands
}

#:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
#                         TCP Reno Tests
#:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

#*************************************************************************
# Tests to validate bug fixes to Full-TCP Reno in tcp-full.cc
#
#  reno-drop-passive-fin -- drop the passive FIN
#  reno-drop-synack -- drop the SYN/ACK
#  reno-msg_eof-fin -- send message with MSG_EOF set
#  reno-drop-lastack -- drop the last ACK in connection teardown
#
#*************************************************************************

#
# reno-drop-passive-fin
#
Class Test/reno-drop-passive-fin -superclass TestSuite
Test/reno-drop-passive-fin instproc init topo {
	$self instvar net_ defNet_ test_
	set net_ $topo
	set defNet_ net0-lossy2
	set test_ reno-drop-passive-fin
	$self next
}
Test/reno-drop-passive-fin instproc run {} {
	$self instvar ns_ node_ testName_ topo_

	set stopt 5.0	

	$topo_ instvar lossylink_
	set errmodule [$lossylink_ errormodule]
	set errmodel [$errmodule errormodels]
	if { [llength $errmodel] > 1 } {
		puts "reno-drop-passive-fin: confused by >1 err models..abort"
		exit 1
	}

	$errmodel set offset_ 7.0
	$errmodel set burstlen_ 2

	# set up connection (do not use "create-connection" method because
	# we need a handle on the sink object)
	set src [new Agent/TCP/FullTcp]
	set sink [new Agent/TCP/FullTcp]
	$ns_ attach-agent $node_(s1) $src
	$ns_ attach-agent $node_(k1) $sink
	$src set fid_ 0
	$sink set fid_ 0
	$ns_ connect $src $sink

	# set up TCP-level connections
	$sink listen
	$ns_ at 0.7 "$src advance 5"
	$ns_ at 2.0 "$src close"

	# set up special params for this test
	$src set window_ 20
	$src set packetSize_ 576

	$self traceQueues $node_(r1) [$self openTrace $stopt $testName_]
	$ns_ run
}

#
# reno-drop-synack
#
Class Test/reno-drop-synack -superclass TestSuite
Test/reno-drop-synack instproc init topo {
	$self instvar net_ defNet_ test_
	set net_ $topo
	set defNet_ net0-lossy2;    # drops are all ACKs
	set test_ reno-drop-synack
	$self next
}
Test/reno-drop-synack instproc run {} {
	$self instvar ns_ node_ testName_ topo_

	set stopt 7

	$topo_ instvar lossylink_
	set errmodule [$lossylink_ errormodule]
	set errmodel [$errmodule errormodels]
	if { [llength $errmodel] > 1 } {
		puts "reno-drop-synack: confused by >1 err models..abort"
		exit 1
	}

	$errmodel set offset_ 1.0
	$errmodel set burstlen_ 1

	# set up connection (do not use "create-connection" method because
	# we need a handle on the sink object)
	set src [new Agent/TCP/FullTcp]
	set sink [new Agent/TCP/FullTcp]
	$ns_ attach-agent $node_(s1) $src
	$ns_ attach-agent $node_(k1) $sink
	$src set fid_ 0
	$sink set fid_ 0
	$ns_ connect $src $sink

	# set up TCP-level connections
	$sink listen
	set ftp1 [$src attach-app FTP]
	$ns_ at 0.7 "$ftp1 start"

	# set up special params for this test
	$src set window_ 100
	$src set packetSize_ 576

	$self traceQueues $node_(r1) [$self openTrace $stopt $testName_]
	$ns_ run
}

#
# reno-msg_eof-fin
#
Class Test/reno-msg_eof-fin -superclass TestSuite
Test/reno-msg_eof-fin instproc init topo {
	$self instvar net_ defNet_ test_
	set net_ $topo
	set defNet_ net0
	set test_ reno-msg_eof-fin
	$self next
}
Test/reno-msg_eof-fin instproc run {} {
	$self instvar ns_ node_ testName_ topo_

	set stopt 3.0	

	# set up connection (do not use "create-connection" method because
	# we need a handle on the sink object)
	set src [new Agent/TCP/FullTcp]
	set sink [new Agent/TCP/FullTcp]
	$ns_ attach-agent $node_(s1) $src
	$ns_ attach-agent $node_(k1) $sink
	$src set fid_ 0
	$sink set fid_ 0
	$ns_ connect $src $sink

	# set up TCP-level connections
	$sink listen
        $ns_ at 0.7 "$src advanceby 5"
	$ns_ at 1.3 "$src sendmsg 400 MSG_EOF"

	# set up special params for this test
	$src set window_ 100
	$src set packetSize_ 576

	$self traceQueues $node_(r1) [$self openTrace $stopt $testName_]
	$ns_ run
}

#
# reno-drop-lastack
#
Class Test/reno-drop-lastack -superclass TestSuite
Test/reno-drop-lastack instproc init topo {
	$self instvar net_ defNet_ test_
	set net_ $topo
	set defNet_ net0-lossy;
	set test_ reno-drop-lastack
	$self next
}
Test/reno-drop-lastack instproc run {} {
	$self instvar ns_ node_ testName_ topo_

	set stopt 50.0

	$topo_ instvar lossylink_
	set errmodule [$lossylink_ errormodule]
	set errmodel [$errmodule errormodels]
	if { [llength $errmodel] > 1 } {
		puts "reno-drop-lastack: confused by >1 err models..abort"
		exit 1
	}

	$errmodel set offset_ 7.0
	$errmodel set burstlen_ 1
	$errmodel set period_ 1000

	# set up connection (do not use "create-connection" method because
	# we need a handle on the sink object)
	set src [new Agent/TCP/FullTcp]
	set sink [new Agent/TCP/FullTcp]
	$ns_ attach-agent $node_(s1) $src
	$ns_ attach-agent $node_(k1) $sink
	$src set fid_ 0
	$sink set fid_ 0
	$ns_ connect $src $sink

	# set up TCP-level connections
	$sink listen
	$ns_ at 0.7 "$src advanceby 3"
	$ns_ at 2.0 "$src close"

	# set up special params for this test
	$src set window_ 100
	$src set packetSize_ 576

	$self traceQueues $node_(r1) [$self openTrace $stopt $testName_]
	$ns_ run
}

#:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
#                         ECN Tests
#:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

#*************************************************************************
# Tests to validate bug fixes to Full-TCP ECN in tcp-full.cc
#
#  ecn-drop-synack -- drop the SYN/ACK
#  ecn-rexmt -- retransmit a packet
#
#*************************************************************************

#
# ecn-rexmt
#
Class Test/ecn-rexmt -superclass TestSuite
Test/ecn-rexmt instproc init topo {
	$self instvar net_ defNet_ test_
	set net_ $topo
	set defNet_ net0-lossy;
	set test_ ecn-rexmt
	$self next
}
Test/ecn-rexmt instproc run {} {
	$self instvar ns_ node_ testName_ topo_

	set stopt 1.6

	$topo_ instvar lossylink_
	set errmodule [$lossylink_ errormodule]
	set errmodel [$errmodule errormodels]
	if { [llength $errmodel] > 1 } {
		puts "reno-rexmt: confused by >1 err models..abort"
		exit 1
	}

	$errmodel set offset_ 5.0
	$errmodel set burstlen_ 1

	# set up connection (do not use "create-connection" method because
	# we need a handle on the sink object)
	set src [new Agent/TCP/FullTcp]
	set sink [new Agent/TCP/FullTcp]
	$ns_ attach-agent $node_(s1) $src
	$ns_ attach-agent $node_(k1) $sink
	$src set fid_ 0
	$sink set fid_ 0
	$ns_ connect $src $sink

	# set up TCP-level connections
	$sink listen
	set ftp1 [$src attach-app FTP]
	$ns_ at 0.7 "$ftp1 start"

	# set up special params for this test
	$src set window_ 100
	$src set packetSize_ 576
	$src set ecn_ true
	$sink set ecn_ true

	$self traceQueues $node_(r1) [$self openTrace $stopt $testName_]
	$ns_ run
}

#
# ecn-drop-synack
#
Class Test/ecn-drop-synack -superclass TestSuite
Test/ecn-drop-synack instproc init topo {
	$self instvar net_ defNet_ test_
	set net_ $topo
	set defNet_ net0-lossy2;    # drops are all ACKs
	set test_ ecn-drop-synack
	$self next
}
Test/ecn-drop-synack instproc run {} {
	$self instvar ns_ node_ testName_ topo_

	set stopt 7

	$topo_ instvar lossylink_
	set errmodule [$lossylink_ errormodule]
	set errmodel [$errmodule errormodels]
	if { [llength $errmodel] > 1 } {
		puts "ecn-drop-synack: confused by >1 err models..abort"
		exit 1
	}

	$errmodel set offset_ 1.0
	$errmodel set burstlen_ 1

	# set up connection (do not use "create-connection" method because
	# we need a handle on the sink object)
	set src [new Agent/TCP/FullTcp]
	set sink [new Agent/TCP/FullTcp]
	$ns_ attach-agent $node_(s1) $src
	$ns_ attach-agent $node_(k1) $sink
	$src set fid_ 0
	$sink set fid_ 0
	$ns_ connect $src $sink