test-suite-tcp.tcl
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- #
- # Copyright (c) 1995 The Regents of the University of California.
- # 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.
- #
- # @(#) $Header: /cvsroot/nsnam/ns-2/tcl/test/test-suite-tcp.tcl,v 1.41 2007/10/24 22:40:24 sallyfloyd Exp $
- #
- # To view a list of available tests to run with this script:
- # ns test-suite-tcp.tcl
- #
- source misc.tcl
- source topologies.tcl
- remove-all-packet-headers ; # removes all except common
- add-packet-header Flags IP TCP ; # hdrs reqd for TCP
- Agent/TCP set tcpTick_ 0.1
- # The default for tcpTick_ is being changed to reflect a changing reality.
- # FOR UPDATING GLOBAL DEFAULTS:
- 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
- Queue/RED set bytes_ false
- # default changed on 10/11/2004.
- Queue/RED set queue_in_bytes_ false
- # default changed on 10/11/2004.
- Queue/RED set q_weight_ 0.002
- Queue/RED set thresh_ 5
- Queue/RED set maxthresh_ 15
- # The RED parameter defaults are being changed for automatic configuration.
- Agent/TCP set useHeaders_ false
- # The default is being changed to useHeaders_ true.
- Agent/TCP set windowInit_ 1
- # The default is being changed to 2.
- Agent/TCP set singledup_ 0
- # The default is being changed to 1
- Agent/TCP set minrto_ 0
- # The default is being changed to minrto_ 1
- Agent/TCP set syn_ false
- Agent/TCP set delay_growth_ false
- # In preparation for changing the default values for syn_ and delay_growth_.
- Agent/TCP set rfc2988_ true
- TestSuite instproc finish file {
- global quiet PERL
- exec $PERL ../../bin/set_flow_id -s all.tr |
- $PERL ../../bin/getrc -s 2 -d 3 |
- $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
- ## regsub \(.+\) $file {} filename
- ## exec csh gnuplotA.com temp.rands $filename
- exit 0
- }
- TestSuite instproc printtimers { tcp time} {
- global quiet
- if {$quiet == "false"} {
- puts "time: [format %.3f $time] sRTT(in ticks): [$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"
- }
- #
- # Links1 uses 8Mb, 5ms feeders, and a 800Kb 10ms bottleneck.
- # Queue-limit on bottleneck is 2 packets.
- #
- Class Topology/net4 -superclass NodeTopology/4nodes
- Topology/net4 instproc init ns {
- $self next $ns
- $self instvar node_
- $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 10ms DropTail
- $ns queue-limit $node_(r1) $node_(k1) 2
- $ns queue-limit $node_(k1) $node_(r1) 2
- if {[$class info instprocs config] != ""} {
- $self config $ns
- }
- }
- TestSuite instproc set_lossylink {} {
- $self instvar lossylink_ ns_ node_
- set lossylink_ [$ns_ link $node_(r1) $node_(k1)]
- set em [new ErrorModule Fid]
- set errmodel [new ErrorModel/Periodic]
- $errmodel unit pkt
- $lossylink_ errormodule $em
- }
- TestSuite instproc emod {} {
- $self instvar lossylink_
- set errmodule [$lossylink_ errormodule]
- return $errmodule
- }
- TestSuite instproc drop_pkts pkts {
- $self instvar ns_
- set emod [$self emod]
- set errmodel1 [new ErrorModel/List]
- $errmodel1 droplist $pkts
- $emod insert $errmodel1
- $emod bind $errmodel1 1
- }
- #
- # Links1 uses 8Mb, 5ms feeders, and a 800Kb 20ms bottleneck.
- # Queue-limit on bottleneck is 25 packets.
- #
- Class Topology/net6 -superclass NodeTopology/4nodes
- Topology/net6 instproc init ns {
- $self next $ns
- $self instvar 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 20ms RED
- $ns queue-limit $node_(r1) $node_(k1) 25
- $ns queue-limit $node_(k1) $node_(r1) 25
- if {[$class info instprocs config] != ""} {
- $self config $ns
- }
- }
- Class Topology/net8 -superclass NodeTopology/4nodes
- Topology/net8 instproc init ns {
- $self next $ns
- $self instvar node_
- Queue/RED set setbit_ true
- $ns duplex-link $node_(s1) $node_(s2) 1000Mb 0ms DropTail
- $ns duplex-link $node_(s2) $node_(r1) 9.6Kb 1ms DropTail
- $ns duplex-link $node_(r1) $node_(k1) 800Kb 10ms RED
- $ns queue-limit $node_(r1) $node_(k1) 25
- $ns queue-limit $node_(k1) $node_(r1) 25
- if {[$class info instprocs config] != ""} {
- $self config $ns
- }
- }
- # Definition of test-suite tests
- # This test shows two TCPs when one is ECN-capable and the other
- # is not.
- Class Test/ecn -superclass TestSuite
- Test/ecn instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ ecn_(one_with_ecn,_one_without)
- set guide_ "One connection with ECN, and one without ECN."
- Agent/TCP set old_ecn_ 1
- $self next
- }
- Test/ecn instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- # Set up TCP connection
- set tcp1 [$ns_ create-connection TCP $node_(s1) TCPSink $node_(k1) 0]
- $tcp1 set window_ 30
- $tcp1 set ecn_ 1
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- # Set up TCP connection
- set tcp2 [$ns_ create-connection TCP $node_(s2) TCPSink $node_(k1) 1]
- $tcp2 set window_ 20
- $tcp2 set ecn_ 0
- set ftp2 [$tcp2 attach-app FTP]
- $ns_ at 3.0 "$ftp2 start"
- $self tcpDump $tcp1 5.0
- $self tcpDump $tcp2 5.0
- $self traceQueues $node_(r1) [$self openTrace 10.0 $testName_]
- $ns_ run
- }
- # This test shows the retransmit timeout value when the first packet
- # of a connection is dropped, and the backoff of the retransmit timer
- # as subsequent packets are dropped.
- #
- # This test also shows that once the retransmit timer is backed off,
- # it is later un-backed.
- Class Test/timers -superclass TestSuite
- Test/timers instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net4
- set test_ timers_(first_packet_dropped)
- set guide_ "TCP's retransmit timers when first and second packets are dropped."
- $self next
- }
- Test/timers instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- $self set_lossylink
- if {$quiet == "false"} {puts "tcpTICK: [Agent/TCP set tcpTick_]"}
- # Set up TCP connection
- set tcp1 [$ns_ create-connection TCP $node_(s2) TCPSink $node_(k1) 1]
- $tcp1 set window_ 3
- set ftp2 [$tcp1 attach-app FTP]
- $ns_ at 0.09 "$ftp2 start"
- $ns_ at 1.0 "$self printtimersAll $tcp1 1.0 1.0"
- $self drop_pkts {0 1}
- $self traceQueues $node_(r1) [$self openTrace 25.0 $testName_]
- $ns_ run
- }
- Class Test/timersA -superclass TestSuite
- Test/timersA instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net4
- set test_ timersA_(early_packet_dropped)
- set guide_ "TCP's retransmit timers when the third packet is droopped."
- Agent/TCP set timerfix_ false
- $self next
- }
- # This one is funny.
- # No fast retransmit.
- # First retransmit timer expires, packet 2 is retransmitted. Backoff 1.
- # Ack for 2 comes in. Karns. Backoff is still 2. Send packet 5, set timer.
- # Send packet 6.
- # Ack for 5 comes in. Reset timer, the reset backoff is 1. Send packet 7.
- # Retransmit timer expires. Set backoff to 2, reset timer.
- #
- Test/timersA instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- $self set_lossylink
- if {$quiet == "false"} {puts "tcpTICK: [Agent/TCP set tcpTick_]"}
- # Set up TCP connection
- set tcp1 [$ns_ create-connection TCP $node_(s1) TCPSink $node_(k1) 1]
- $tcp1 set window_ 5
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 produce 1600"
- $ns_ at 25.3 "$ftp1 producemore 5"
- $ns_ at 25.7 "$ftp1 producemore 5"
- $ns_ at 26.1 "$ftp1 producemore 5"
- $ns_ at 26.5 "$ftp1 producemore 5"
- $ns_ at 26.9 "$ftp1 producemore 5"
- $ns_ at 28.8 "$ftp1 producemore 5"
- $self drop_pkts {2 7 9 10 11}
- $self traceQueues $node_(r1) [$self openTrace 3.5 $testName_]
- $ns_ run
- }
- Class Test/timersAfix -superclass TestSuite
- Test/timersAfix instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net4
- set test_ timersAfix_(early_packet_dropped)
- set guide_ "Agent/TCP, timerfix_ set, for updating timer *after* updating the RTT."
- Agent/TCP set timerfix_ true
- Test/timersAfix instproc run {} [Test/timersA info instbody run]
- $self next
- }
- # Multiply the mean deviation by 8 instead of by 4.
- #
- Class Test/timersA1 -superclass TestSuite
- Test/timersA1 instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net4
- set test_ timersA1_(multiple_of_8_instead_of_4)
- set guide_ "Agent/TCP, rttvar_exp_ set to 3 instead of 2."
- Agent/TCP set rttvar_exp_ 3
- Agent/TCP set timerfix_ false
- # The default is being changed to true.
- Test/timersA1 instproc run {} [Test/timersA info instbody run ]
- $self next
- }
- # timestamps, and tcpTick more fine-grained.
- #
- Class Test/timersA2 -superclass TestSuite
- Test/timersA2 instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net4
- set test_ timersA2_(timestamps,_fine-grained_clock)
- set guide_ "Agent/TCP, tcpTick_ set to 0.001"
- Agent/TCP set timestamps_ true
- Agent/TCP set tcpTick_ 0.001
- Agent/TCP set timerfix_ false
- # The default is being changed to true.
- Test/timersA2 instproc run {} [Test/timersA info instbody run ]
- $self next
- }
- # Update the smoothed round-trip with weight 1/16 instead of 1/8.
- #
- Class Test/timersA3 -superclass TestSuite
- Test/timersA3 instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net4
- set test_ timersA3_(weight_1/32_instead_of_1/8)
- set guide_ "Agent/TCP, T_SRTT_BITS set to 5 instead of 3"
- Agent/TCP set timestamps_ true
- Agent/TCP set tcpTick_ 0.001
- Agent/TCP set T_SRTT_BITS 5
- Agent/TCP set T_RTTVAR_BITS 4
- Agent/TCP set timerfix_ false
- # The default is being changed to true.
- Test/timersA3 instproc run {} [Test/timersA info instbody run ]
- $self next
- }
- Class Test/timers1 -superclass TestSuite
- Test/timers1 instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net2
- set test_ timers1_(tcpTick_=default,0.1)
- set guide_ "tcpTick_ set to default of 0.1"
- $self next
- }
- Test/timers1 instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- if {$quiet == "false"} {puts "tcpTICK: [Agent/TCP set tcpTick_]"}
- $ns_ queue-limit $node_(r1) $node_(r2) 29
- set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink/DelAck $node_(r2) 0]
- # set tcp1 [$ns_ create-connection TCP $node_(s1) TCPSink/DelAck $node_(r2) 1]
- $tcp1 set window_ 40
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 produce 180"
- $ns_ at 1.0 "$self printtimersAll $tcp1 1.0 1.0"
- $self traceQueues $node_(r1) [$self openTrace 4.0 $testName_]
- $ns_ run
- }
- Class Test/timers2 -superclass TestSuite
- Test/timers2 instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net2
- set test_ timers2_(tcpTick_=0.5)
- set guide_ "tcpTick_ set to 0.5"
- $self next
- }
- Test/timers2 instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- set tick 0.5
- if {$quiet == "false"} {puts "tcpTICK: $tick"}
- Agent/TCP set tcpTick_ $tick
- $ns_ queue-limit $node_(r1) $node_(r2) 29
- set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink/DelAck $node_(r2) 0]
- $tcp1 set window_ 40
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 produce 180"
- $ns_ at 1.0 "$self printtimersAll $tcp1 1.0 1.0"
- $self traceQueues $node_(r1) [$self openTrace 4.0 $testName_]
- $ns_ run
- }
- Class Test/timers3 -superclass TestSuite
- Test/timers3 instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net2
- set test_ timers3_(tcpTick_=0.001)
- set guide_ "tcpTick_ set to 0.001"
- $self next
- }
- Test/timers3 instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- set tick 0.001
- if {$quiet == "false"} {puts "tcpTICK: $tick"}
- Agent/TCP set tcpTick_ $tick
- $ns_ queue-limit $node_(r1) $node_(r2) 29
- set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink/DelAck $node_(r2) 0]
- $tcp1 set window_ 40
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 produce 180"
- $ns_ at 1.0 "$self printtimersAll $tcp1 1.0 1.0"
- $self traceQueues $node_(r1) [$self openTrace 4.0 $testName_]
- $ns_ run
- }
- Class Test/timers4 -superclass TestSuite
- Test/timers4 instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net2
- set test_ timers4_(tcpTick_=0.001)
- set guide_ "With timers5, shows that estimated RTT updated only once per RTT."
- $self next
- }
- Test/timers4 instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- set tick 0.001
- if {$quiet == "false"} {puts "tcpTICK: $tick"}
- Agent/TCP set tcpTick_ $tick
- $ns_ queue-limit $node_(r1) $node_(r2) 29
- set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink/DelAck $node_(r2) 0]
- $tcp1 set window_ 10
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $ns_ at 0.1 "$self printtimersAll $tcp1 0.1 0.1"
- $self traceQueues $node_(r1) [$self openTrace 2.0 $testName_]
- $ns_ run
- }
- Class Test/timers5 -superclass TestSuite
- Test/timers5 instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net2
- set test_ timers5_(tcpTick_=0.001)
- set guide_ "With timers4, shows that estimated RTT updated only once per RTT."
- $self next
- }
- Test/timers5 instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- set tick 0.001
- if {$quiet == "false"} {puts "tcpTICK: $tick"}
- Agent/TCP set tcpTick_ $tick
- $ns_ queue-limit $node_(r1) $node_(r2) 29
- set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink/DelAck $node_(r2) 0]
- $tcp1 set window_ 2
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $ns_ at 0.1 "$self printtimersAll $tcp1 0.1 0.1"
- $self traceQueues $node_(r1) [$self openTrace 2.0 $testName_]
- $ns_ run
- }
- TestSuite instproc printtcp { label tcp time } {
- puts ""
- puts "tcp: $label time: [format %.3f $time]"
- puts "total_data_packets_sent: [$tcp set ndatapack_] data_bytes_sent: [$tcp set ndatabytes_]"
- puts "packets_resent: [$tcp set nrexmitpack_] bytes_resent: [$tcp set nrexmitbytes_]"
- puts "ack_packets_received: [$tcp set nackpack_]"
- puts "retransmit_timeouts: [$tcp set nrexmit_]"
- }
- Class Test/timers_backoffs -superclass TestSuite
- Test/timers_backoffs instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ timers_backoffs
- set guide_ "TCP's retransmit timer, max RTO of 60 seconds."
- $self next
- }
- Test/timers_backoffs instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- $self set_lossylink
- if {$quiet == "false"} {puts "tcpTICK: [Agent/TCP set tcpTick_]"}
- # Set up TCP connection
- set tcp1 [$ns_ create-connection TCP $node_(s1) TCPSink $node_(k1) 1]
- $tcp1 set window_ 1
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 produce 30"
- $self drop_pkts {10 11 12 13 14 15 16 17 18 19}
- $self traceQueues $node_(r1) [$self openTrace 400.0 $testName_]
- $ns_ run
- }
- Class Test/stats1 -superclass TestSuite
- Test/stats1 instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net0
- set test_ stats1
- set guide_ "TCP statistics on the number of retransmit timeouts."
- $self next
- }
- Test/stats1 instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- $ns_ delay $node_(s2) $node_(r1) 200ms
- $ns_ delay $node_(r1) $node_(s2) 200ms
- $ns_ queue-limit $node_(r1) $node_(k1) 10
- $ns_ queue-limit $node_(k1) $node_(r1) 10
- set stoptime 10.1
- set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink $node_(k1) 0]
- $tcp1 set window_ 30
- set tcp2 [$ns_ create-connection TCP $node_(s2) TCPSink $node_(k1) 1]
- $tcp2 set window_ 3
- set ftp1 [$tcp1 attach-app FTP]
- set ftp2 [$tcp2 attach-app FTP]
-
- $ns_ at 1.0 "$ftp1 start"
- $ns_ at 1.0 "$ftp2 start"
- $self tcpDumpAll $tcp1 10.0 tcp1
- $self tcpDumpAll $tcp2 10.0 tcp2
- $ns_ at 10.0 "$self printtcp 1 $tcp1 10.0"
- $ns_ at 10.0 "$self printtcp 2 $tcp2 10.0"
- $ns_ at 10.0 "puts """
-
- # trace only the bottleneck link
- $self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]
- $ns_ run
- }
- TestSuite instproc run1 { tcp0 {stoptime 30.1}} {
- $self instvar ns_ node_ testName_ guide_
- set count 100
- set count1 3
- set ftp0 [$tcp0 attach-app FTP]
- $ns_ at 0.0 "$ftp0 produce $count"
- $ns_ at 2.4 "$ftp0 producemore $count"
- $ns_ at 2.5 "$ftp0 producemore $count"
- $self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]
- $ns_ run
- }
- Class Test/quiescent_100ms -superclass TestSuite
- Test/quiescent_100ms instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ quiescent_100ms
- set guide_ "Tahoe TCP after a quiescent period."
- Agent/TCP set QOption_ 0
- $self next
- }
- Test/quiescent_100ms instproc run {} {
- global quiet
- $self instvar ns_ node_ guide_
- puts "Guide: $guide_"
- Agent/TCP set packetSize_ 100
- Agent/TCP set window_ 25
- set tcp0 [$ns_ create-connection TCP $node_(s1) TCPSink $node_(k1) 0]
- $self run1 $tcp0
- }
- Class Test/quiescentB -superclass TestSuite
- Test/quiescentB instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ quiescentB
- set guide_ "Tahoe TCP entering a quiescent period with a smaller cwnd."
- Agent/TCP set QOption_ 0
- $self next
- }
- Test/quiescentB instproc run {} {
- global quiet
- $self instvar ns_ node_ guide_
- puts "Guide: $guide_"
- $self set_lossylink
- Agent/TCP set packetSize_ 100
- Agent/TCP set window_ 25
- set tcp0 [$ns_ create-connection TCP $node_(s1) TCPSink $node_(k1) 1]
- $self drop_pkts {2}
- $self run1 $tcp0 3.0
- }
- Class Test/quiescentB_qoption -superclass TestSuite
- Test/quiescentB_qoption instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ quiescentB_qoption
- set guide_ "Tahoe TCP entering a quiescent period, TCP quiescence option set."
- Agent/TCP set QOption_ 1
- $self next
- }
- Test/quiescentB_qoption instproc run {} {
- global quiet
- $self instvar ns_ node_ guide_
- puts "Guide: $guide_"
- $self set_lossylink
- Agent/TCP set packetSize_ 100
- Agent/TCP set window_ 25
- set tcp0 [$ns_ create-connection TCP $node_(s1) TCPSink $node_(k1) 1]
- $self drop_pkts {2}
- $self run1 $tcp0 3.0
- }
- TestSuite instproc run2 { tcp0 {stoptime 3.0}} {
- $self instvar ns_ node_ testName_
- set count 25
- set count1 10
- set count2 3
- set count3 100
- set data0 [$tcp0 attach-app Telnet]
- $data0 set interval_ 0.0005
- $ns_ at 0 "$data0 start"
- $ns_ at 0.045 "$data0 set interval_ 0.01"
- $ns_ at 2.2 "$data0 set interval_ 0.0005"
- $ns_ at 2.5 "$data0 stop"
- $self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]
- $ns_ run
- }
- Class Test/underutilized_100ms -superclass TestSuite
- Test/underutilized_100ms instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ underutilized_100ms
- set guide_ "Tahoe TCP, underutilized, TCP quiescence option not set."
- Agent/TCP set QOption_ 0
- $self next
- }
- Test/underutilized_100ms instproc run {{sender TCP} {receiver TCPSink}} {
- global quiet
- $self instvar ns_ node_ guide_
- puts "Guide: $guide_"
- Agent/TCP set packetSize_ 100
- Agent/TCP set window_ 100
- set tcp0 [$ns_ create-connection $sender $node_(s1) $receiver $node_(k1) 0]
- $self run2 $tcp0
- }
- Class Test/underutilized_100ms_control -superclass TestSuite
- Test/underutilized_100ms_control instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ underutilized_100ms_control
- set guide_ "Tahoe TCP, underutilized, TCP quiescence option not set,
- control_increase set."
- Agent/TCP set QOption_ 0
- Agent/TCP set control_increase_ 1
- Test/underutilized_100ms_control instproc run {{sender TCP} {receiver TCPSink}} [Test/underutilized_100ms info instbody run ]
- $self next
- }
- Class Test/underutilized_100ms_control_Q -superclass TestSuite
- Test/underutilized_100ms_control_Q instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ underutilized_100ms_control_Q
- set guide_ "Tahoe TCP, underutilized, TCP quiescence option set,
- control_increase set."
- Agent/TCP set QOption_ 1
- Agent/TCP set control_increase_ 1
- Test/underutilized_100ms_control_Q instproc run {{sender TCP} {receiver TCPSink}} [Test/underutilized_100ms info instbody run ]
- $self next
- }
- Class Test/underutilized_100ms_Q -superclass TestSuite
- Test/underutilized_100ms_Q instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ underutilized_100ms_Q
- set guide_ "Tahoe TCP, underutilized, TCP quiescence option set,
- control_increase not set."
- Agent/TCP set QOption_ 1
- Agent/TCP set control_increase_ 0
- Test/underutilized_100ms_Q instproc run {{sender TCP} {receiver TCPSink}} [Test/underutilized_100ms info instbody run ]
- $self next
- }
- Class Test/underutilized_100ms_control_Reno -superclass TestSuite
- Test/underutilized_100ms_control_Reno instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ underutilized_100ms_control_Reno
- set guide_ "Reno TCP, underutilized, TCP quiescence option not set,
- control_increase set."
- Agent/TCP set QOption_ 0
- Agent/TCP set control_increase_ 1
- Test/underutilized_100ms_control_Reno instproc run {{sender TCP/Reno} {receiver TCPSink}} [Test/underutilized_100ms info instbody run ]
- $self next
- }
- Class Test/underutilized_100ms_control_Newreno -superclass TestSuite
- Test/underutilized_100ms_control_Newreno instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ underutilized_100ms_control_Newreno
- set guide_ "NewReno TCP, underutilized, TCP quiescence option not set,
- control_increase set."
- Agent/TCP set QOption_ 0
- Agent/TCP set control_increase_ 1
- Test/underutilized_100ms_control_Newreno instproc run {{sender TCP/Reno} {receiver TCPSink}} [Test/underutilized_100ms info instbody run ]
- $self next
- }
- Class Test/underutilized_100ms_control_Sack -superclass TestSuite
- Test/underutilized_100ms_control_Sack instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ underutilized_100ms_control_Sack
- set guide_ "Sack TCP, underutilized, TCP quiescence option not set,
- control_increase set."
- Agent/TCP set QOption_ 0
- Agent/TCP set control_increase_ 1
- Test/underutilized_100ms_control_Sack instproc run {{sender TCP/Sack1} {receiver TCPSink/Sack1}} [Test/underutilized_100ms info instbody run ]
- $self next
- }
- Class Test/quiescent_100ms_fine -superclass TestSuite
- Test/quiescent_100ms_fine instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ quiescent_100ms_fine(EnblRTTCtr__0)
- set guide_ "Tahoe TCP after a quiescent period, fine-grained timer."
- Agent/TCP set QOption_ 1
- Agent/TCP set control_increase_ 1
- Agent/TCP set EnblRTTCtr_ 0
- Test/quiescent_100ms_fine instproc run {} [Test/quiescent_100ms info instbody run ]
- $self next
- }
- Class Test/quiescent_100ms_coarse -superclass TestSuite
- Test/quiescent_100ms_coarse instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ quiescent_100ms_coarse(EnblRTTCtr__1)
- set guide_ "Tahoe TCP after a quiescent period, coarse-grained timer."
- Agent/TCP set QOption_ 1
- Agent/TCP set control_increase_ 1
- Agent/TCP set EnblRTTCtr_ 1
- Test/quiescent_100ms_coarse instproc run {} [Test/quiescent_100ms info instbody run ]
- $self next
- }
- Class Test/quiescent_1ms_fine -superclass TestSuite
- Test/quiescent_1ms_fine instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ quiescent_1ms_fine(EnblRTTCtr__0)
- set guide_ "Tahoe TCP after a quiescent period, fine-grained timer, tcpTick_ 0.001."
- Agent/TCP set QOption_ 1
- Agent/TCP set tcpTick_ 0.001
- Agent/TCP set control_increase_ 1
- Agent/TCP set EnblRTTCtr_ 0
- Test/quiescent_1ms_fine instproc run {} [Test/quiescent_100ms info instbody run ]
- $self next
- }
- Class Test/quiescent_1ms_coarse -superclass TestSuite
- Test/quiescent_1ms_coarse instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ quiescent_1ms_coarse(EnblRTTCtr__1)
- set guide_ "Tahoe TCP after a quiescent period, coarse-grained timer, tcpTick_ 0.001."
- Agent/TCP set QOption_ 1
- Agent/TCP set tcpTick_ 0.001
- Agent/TCP set control_increase_ 1
- Agent/TCP set EnblRTTCtr_ 1
- Test/quiescent_1ms_coarse instproc run {} [Test/quiescent_100ms info instbody run ]
- $self next
- }
- Class Test/quiescent_500ms_fine -superclass TestSuite
- Test/quiescent_500ms_fine instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ quiescent_500ms_fine(EnblRTTCtr__0)
- set guide_ "Tahoe TCP after a quiescent period, fine-grained timer, tcpTick_ 0.5."
- Agent/TCP set QOption_ 1
- Agent/TCP set tcpTick_ 0.500
- Agent/TCP set control_increase_ 1
- Agent/TCP set EnblRTTCtr_ 0
- Test/quiescent_500ms_fine instproc run {} [Test/quiescent_100ms info instbody run ]
- $self next
- }
- Class Test/quiescent_500ms_coarse -superclass TestSuite
- Test/quiescent_500ms_coarse instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net6
- set test_ quiescent_500ms_coarse(EnblRTTCtr__1)
- set guide_ "Tahoe TCP after a quiescent period, coarse-grained timer, tcpTick_ 0.5."
- Agent/TCP set QOption_ 1
- Agent/TCP set tcpTick_ 0.500
- Agent/TCP set control_increase_ 1
- Agent/TCP set EnblRTTCtr_ 1
- Test/quiescent_500ms_coarse instproc run {} [Test/quiescent_100ms info instbody run ]
- $self next
- }
- ####################################################################
- TestSuite instproc printtimeouts { label tcp time } {
- global quiet
- if {$quiet == "false"} {
- puts "tcp: $label time: [format %.3f $time] retransmit_timeouts: [$tcp set nrexmit_]"
- }
- }
- # This test shows the packets and acknowledgements at the source,
- # for a path with a 9.6Kbps link, and 1500-byte packets.
- Class Test/dialup -superclass TestSuite
- Test/dialup instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net8
- set guide_ "1500-byte packets on a 9.6 Kbps link"
- set test_ dialup(9.6K-link,1500-byte-pkt)
- $self next
- }
- Test/dialup instproc run {} {
- global quiet
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- Agent/TCP set syn_ true
- Agent/TCP set delay_growth_ true
- Agent/TCP set windowInitOption_ 2
- Agent/TCP set minrto_ 1
- set runtime 30.01
- set dumptime 30.0
- set testName_ dialup
- set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(k1) 0]
- $tcp1 set packetSize_ 1500
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $ns_ at $dumptime "$self printtimeouts 1 $tcp1 $dumptime"
- # $self tcpDump $tcp1 $dumptime
- $self traceQueues $node_(r1) [$self openTrace $runtime $testName_]
- $ns_ run
- }
- # This test shows the packets and acknowledgements at the source,
- # for a path with a 9.6Kbps link, and 1500-byte packets.
- # But this one has rfc2988_ set to false.
- Class Test/dialup1 -superclass TestSuite
- Test/dialup1 instproc init topo {
- $self instvar net_ defNet_ test_ guide_
- set net_ $topo
- set defNet_ net8
- set guide_ "1500-byte packets on a 9.6 Kbps link, rfc2988_ false"
- set test_ dialup1(9.6K-link,1500-byte-pkt)
- Agent/TCP set rfc2988_ false
- Test/dialup1 instproc run {} [Test/dialup info instbody run ]
- $self next
- }
- TestSuite runTest
- ### Local Variables:
- ### mode: tcl
- ### tcl-indent-level: 8
- ### tcl-default-application: ns
- ### End: