test-suite-ecn.tcl

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        set guide_      "Sack, ECN with small windows."
        $self next pktTraceFile
}
Test/ecn_smallwin1Ecn_sack instproc run {} {
        global quiet
	$self instvar ns_ guide_ errmodel1 errmodel2
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Sack1 10.0 1
	$self drop_pkts {4 8 9 11 12 13 120 135 143 148 150 153} 
	$errmodel1 set markecn_ true
	$self drop_pkts2 {6}
	$errmodel2 set markecn_ false
	$ns_ run
}

# Packet drops for the second packet.
Class Test/ecn_secondpkt_sack -superclass TestSuite
Test/ecn_secondpkt_sack instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
	Agent/TCP set bugFix_ true
        set net_	net2-lossy
        set test_	ecn_secondpkt_sack
        set guide_      "Sack, with the second packet dropped."
        $self next pktTraceFile
}
Test/ecn_secondpkt_sack instproc run {} {
        global quiet
	$self instvar ns_ guide_
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Sack1 2.0 1
	$self drop_pkts {1 3} 

	$ns_ run
}

# ECN for the second packet.
Class Test/ecn_secondpktEcn_sack -superclass TestSuite
Test/ecn_secondpktEcn_sack instproc init {} {
        $self instvar net_ test_ guide_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_secondpktEcn_sack
        set guide_      "Sack, with the second packet marked."
        $self next pktTraceFile
}
Test/ecn_secondpktEcn_sack instproc run {} {
        global quiet
	$self instvar ns_ guide_ errmodel1
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Sack1 2.0 1
	$self drop_pkts {1 3} 
	$errmodel1 set markecn_ true
	$ns_ run
}

#######################################################################
# Delayed Ack Sack1 Tests #
#######################################################################

# Plain ECN
Class Test/ecn_nodrop_sack_delack -superclass TestSuite
Test/ecn_nodrop_sack_delack instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_nodrop_sack_delack
        set guide_      "Sack, ECN, delayed acks."
        $self next pktTraceFile
}
Test/ecn_nodrop_sack_delack instproc run {} {
        global quiet
	$self instvar ns_ guide_
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Sack1 3.0 0 1 
	$self drop_pkt 10000
	$ns_ run
}

# Two ECNs close together
Class Test/ecn_twoecn_sack_delack -superclass TestSuite
Test/ecn_twoecn_sack_delack instproc init {} {
        $self instvar net_ test_ guide_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_twoecn_sack_delack
        set guide_      "Sack, ECN, delayed acks."
        $self next pktTraceFile
}
Test/ecn_twoecn_sack_delack instproc run {} {
        global quiet
	$self instvar ns_ guide_ lossmodel
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Sack1 3.0 0 1 
	$self drop_pkt 243
	$lossmodel set markecn_ true
	$ns_ run
}

# ECN followed by packet loss.
Class Test/ecn_drop_sack_delack -superclass TestSuite
Test/ecn_drop_sack_delack instproc init {} {
        $self instvar net_ test_ guide_
#        Queue/RED set setbit_ true
        set net_        net2-lossy
        Agent/TCP set bugFix_ true  
        set test_       ecn_drop_sack_delack
        set guide_      "Sack, packet loss followed by ECN, delayed acks."
        $self next pktTraceFile
} 
Test/ecn_drop_sack_delack instproc run {} {
        global quiet
        $self instvar ns_ guide_
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 1
        $self ecnsetup Sack1 3.0 0 1
        $self drop_pkt 243
        $ns_ run
}

# ECN followed by packet loss.
Class Test/ecn_drop1_sack_delack -superclass TestSuite
Test/ecn_drop1_sack_delack instproc init {} {
        $self instvar net_ test_ guide_
#        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_drop1_sack_delack
        set guide_      "Sack, packet loss followed by ECN, delayed acks."
        $self next pktTraceFile
}
Test/ecn_drop1_sack_delack instproc run {} {
        global quiet
	$self instvar ns_ guide_
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Sack1 3.0 0 1
	$self drop_pkt 241
	$ns_ run
}

# ECN with a window of one packet.
Class Test/ecn_smallwinEcn_sack_delack -superclass TestSuite
Test/ecn_smallwinEcn_sack_delack instproc init {} {
        $self instvar net_ test_ guide_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_smallwinEcn_sack_delack
        set guide_      "Sack, delayed ack, ECN with small windows."
        $self next pktTraceFile
}
Test/ecn_smallwinEcn_sack_delack instproc run {} {
        global quiet
	$self instvar ns_ guide_ errmodel1
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Sack1 10.0 1 1
	$self drop_pkts {4 7 9 11 12 120 135 143 148 150 151 152} 
	$errmodel1 set markecn_ true
	$ns_ run
}

#######################################################################
# Newreno Tests #
#######################################################################

# Plain ECN
Class Test/ecn_nodrop_newreno -superclass TestSuite
Test/ecn_nodrop_newreno instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_nodrop_newreno
        set guide_      "NewReno with ECN."
        $self next pktTraceFile
}
Test/ecn_nodrop_newreno instproc run {} {
        global quiet
	$self instvar ns_ guide_
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Newreno 3.0 
	$self drop_pkt 10000
	$ns_ run
}

# Two ECNs close together
Class Test/ecn_twoecn_newreno -superclass TestSuite
Test/ecn_twoecn_newreno instproc init {} {
        $self instvar net_ test_ guide_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_twoecn_newreno
        set guide_      "NewReno, two marked packets in one window."
        $self next pktTraceFile
}
Test/ecn_twoecn_newreno instproc run {} {
        global quiet
	$self instvar ns_ guide_ lossmodel
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Newreno 3.0 
	$self drop_pkt 243
	$lossmodel set markecn_ true
	$ns_ run
}

# ECN followed by packet loss.
Class Test/ecn_drop_newreno -superclass TestSuite
Test/ecn_drop_newreno instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_drop_newreno
        set guide_      "NewReno, ECN preceded by packet loss."
        $self next pktTraceFile
}
Test/ecn_drop_newreno instproc run {} {
        global quiet
	$self instvar ns_ guide_
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Newreno 3.0
	$self drop_pkt 243
	$ns_ run
}

# ECN preceded by packet loss.
Class Test/ecn_drop1_newreno -superclass TestSuite
Test/ecn_drop1_newreno instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_drop1_newreno
        set guide_      "NewReno, ECN preceded by packet loss."
        $self next pktTraceFile
}
Test/ecn_drop1_newreno instproc run {} {
        global quiet
	$self instvar ns_ guide_
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Newreno 3.0
	$self drop_pkt 241
	$ns_ run
}

# Packet loss only.
Class Test/ecn_noecn_newreno -superclass TestSuite
Test/ecn_noecn_newreno instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
	Queue/RED set thresh_ 1000
	Queue/RED set maxthresh_ 1000
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_noecn_newreno
	Test/ecn_noecn_newreno instproc run {} [Test/ecn_drop_newreno info instbody run ]
        set guide_      "NewReno, packet loss only, no ECN."
        $self next pktTraceFile
}

# Multiple dup acks with bugFix_
Class Test/ecn_bursty_newreno -superclass TestSuite
Test/ecn_bursty_newreno instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
	Queue/RED set thresh_ 100
	Queue/RED set maxthresh_ 100
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_bursty_newreno
        set guide_      "NewReno, multiple dup acks, with bugFix."
        $self next pktTraceFile
}
Test/ecn_bursty_newreno instproc run {} {
        global quiet
	$self instvar ns_ guide_
        puts "Guide: $guide_"

	$self ecnsetup Newreno 3.0
        set lossmodel [$self setloss]
        $lossmodel set offset_ 245
	$lossmodel set burstlen_ 15
        $lossmodel set period_ 10000
	$ns_ run
}

# Multiple dup acks following ECN
Class Test/ecn_burstyEcn_newreno -superclass TestSuite
Test/ecn_burstyEcn_newreno instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
	Agent/TCP set old_ecn_ 1
        set test_	ecn_burstyEcn_newreno
	Test/ecn_burstyEcn_newreno instproc run {} [Test/ecn_bursty_newreno info instbody run ]   
        set guide_      "NewReno, multiple dup acks and ECN, with bugFix."
        $self next pktTraceFile
}

# ECN followed by timeout.
# Nope.
Class Test/ecn_timeout_newreno -superclass TestSuite
Test/ecn_timeout_newreno instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_timeout_newreno
        set guide_      "NewReno, multiple dup acks"
        $self next pktTraceFile
}
Test/ecn_timeout_newreno instproc run {} {
        global quiet
	$self instvar ns_ guide_
        puts "Guide: $guide_"
	$self ecnsetup Newreno 3.0 1
	$self drop_pkts {242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268} 

	$ns_ run
}

# ECN followed by a timeout, followed by an ECN representing a
# new instance of congestion.
Class Test/ecn_timeout1_newreno -superclass TestSuite
Test/ecn_timeout1_newreno instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_timeout1_newreno
        set guide_      "NewReno, drops and ECN followed by a timeout."
        $self next pktTraceFile
}
Test/ecn_timeout1_newreno instproc run {} {
        global quiet
	$self instvar ns_ guide_
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 1
	$self ecnsetup Newreno 3.0 1
	Agent/TCP set old_ecn_ 1
	$self drop_pkts {245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265} 
	$self second_tcp Tahoe 1.0
	$ns_ run
}

# Packet drops with a window of one packet.
Class Test/ecn_smallwin_newreno -superclass TestSuite
Test/ecn_smallwin_newreno instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
	Agent/TCP set bugFix_ true
        set net_	net2-lossy
        set test_	ecn_smallwin_newreno
        set guide_      "NewReno, packet drops with a window of one."
        $self next pktTraceFile
}
Test/ecn_smallwin_newreno instproc run {} {
        global quiet
	$self instvar ns_ guide_
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Newreno 6.0 1
	$self drop_pkts {4 8 9 10 11 100 115 121 124 126 127 128}

	$ns_ run
}

# ECN with a window of one packet.
Class Test/ecn_smallwinEcn_newreno -superclass TestSuite
Test/ecn_smallwinEcn_newreno instproc init {} {
        $self instvar net_ test_ guide_ 
        Queue/RED set setbit_ true
        set net_	net2-lossy
	Agent/TCP set bugFix_ true
        set test_	ecn_smallwinEcn_newreno
        set guide_      "NewReno, ECN with a window of one."
        $self next pktTraceFile
}
Test/ecn_smallwinEcn_newreno instproc run {} {
        global quiet
	$self instvar ns_ guide_ errmodel1
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 0
	$self ecnsetup Newreno 10.0 1
	$self drop_pkts {4 8 9 11 12 13 120 135 143 148 150 151 152 153} 

	$errmodel1 set markecn_ true
	$ns_ run
}

# Packet drops for the second packet.
Class Test/ecn_secondpkt_newreno -superclass TestSuite
Test/ecn_secondpkt_newreno instproc init {} {
        $self instvar net_ test_ guide_
        Queue/RED set setbit_ true
	Agent/TCP set bugFix_ true
        set net_	net2-lossy
        set test_	ecn_secondpkt_newreno
        set guide_      "NewReno, with the second packet dropped."
        $self next pktTraceFile
}
Test/ecn_secondpkt_newreno instproc run {} {
        global quiet
	$self instvar ns_ guide_
        puts "Guide: $guide_"
	Agent/TCP set old_ecn_ 0
	$se