test-suite-tcp-init-win.tcl
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上传日期:2015-12-11
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通讯编程
开发平台:
Visual C++
- #
- # 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-init-win.tcl,v 1.35 2006/08/12 23:34:24 sallyfloyd Exp $
- #
- # To view a list of available tests to run with this script:
- # ns test-suite-tcp.tcl
- #
- source misc_simple.tcl
- remove-all-packet-headers ; # removes all except common
- add-packet-header Flags IP TCP ; # hdrs reqd for TCP
- # FOR UPDATING GLOBAL DEFAULTS:
- 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
- set plotacks false
- 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
- }
- Class Topology/net8 -superclass Topology
- Topology/net8 instproc init ns {
- $self instvar node_
- set node_(r1) [$ns node]
- set node_(k1) [$ns node]
- set node_(s1) [$ns node]
- set node_(s2) [$ns 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
- }
- TestSuite instproc finish file {
- global quiet PERL plotacks
- exec $PERL ../../bin/getrc -e -s 2 -d 3 all.tr |
- $PERL ../../bin/raw2xg -v -s 0.01 -m 90 -t $file > temp.rands
- if {$plotacks == "true"} {
- exec $PERL ../../bin/getrc -e -s 3 -d 2 all.tr |
- $PERL ../../bin/raw2xg -v -a -e -s 0.01 -m 90 -t $file > temp1.rands
- }
- if {$quiet == "false"} {
- if {$plotacks == "false"} {
- exec xgraph -bb -tk -nl -m -x time -y packets temp.rands &
- } else {
- exec xgraph -bb -tk -nl -m -x time -y packets temp.rands
- temp1.rands &
- }
- }
- ## now use default graphing tool to make a data file
- ## if so desired
- exit 0
- }
- TestSuite instproc printtimers { tcp time} {
- global quiet
- if {$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_ guide_
- puts "Guide: $guide_"
- set ftp1 [$tcp1 attach-app FTP]
- $ns_ at 0.0 "$ftp1 start"
- $self tcpDump $tcp1 $dumptime
- $ns_ at $runtime "$self cleanupAll $testName_"
- $ns_ run
- }
- TestSuite instproc second_test {tcp1 tcp2} {
- $self instvar ns_ node_ testName_ guide_
- puts "Guide: $guide_"
- $tcp1 set window_ 40
- set ftp1 [$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
- $ns_ at 10.0 "$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) $ID]
- }
- if {$type == "SackDelAck"} {
- set tcp [$ns_ create-connection TCP/Sack1 $node_($nodeA) TCPSink/Sack1/DelAck $node_($nodeB) $ID]
- }
- return $tcp
- }
- Class Test/tahoe1 -superclass TestSuite
- Test/tahoe1 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ tahoe1(variable_packet_sizes)
- set guide_ "Tahoe TCP, initial windows with different packet sizes."
- $self next pktTraceFile
- }
- Test/tahoe1 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$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_ guide_
- set net_ net6
- set test_ tahoe2(static_initial_windows)
- set guide_ "Tahoe TCP, static initial windows."
- $self next pktTraceFile
- }
- Test/tahoe2 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- set tcp1 [$self make_tcp s1 k1 0 Tahoe]
- $tcp1 set windowInit_ 6
- $tcp1 set syn_ false
- $tcp1 set delay_growth_ false
- set tcp2 [$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_ guide_
- set net_ net6
- set test_ tahoe3(dropped_syn)
- set guide_ "Tahoe TCP, initial window after a dropped SYN packet."
- $self next pktTraceFile
- }
- ## Drop the n-th packet for flow on link.
- TestSuite instproc drop_pkt { link flow num } {
- set em [new ErrorModule Fid]
- set errmodel [new ErrorModel/Periodic]
- $errmodel unit pkt
- $errmodel set offset_ $num
- $errmodel set period_ 1000.0
- $link errormodule $em
- $em insert $errmodel
- $em bind $errmodel $flow
- }
- Test/tahoe3 instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$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_ guide_
- set net_ net7
- set test_ tahoe4(fast_retransmit)
- set guide_ "Tahoe TCP, window after a Fast Retransmit."
- Queue/RED set ns1_compat_ true
- $self next pktTraceFile
- }
- Test/tahoe4 instproc run {} {
- $self instvar ns_ node_ testName_ guide_
- $self setTopo
- Agent/TCP set packetSize_ 1000
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$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_ guide_
- set net_ net6
- set test_ reno1(variable_packet_sizes)
- set guide_ "Reno TCP, initial windows with different packet sizes."
- $self next pktTraceFile
- }
- Test/reno1 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$self make_tcp s1 k1 0 Reno]
- $tcp1 set packetSize_ 1000
- set tcp2 [$self make_tcp s2 k1 1 Reno]
- $tcp2 set packetSize_ 1500
- set tcp3 [$self make_tcp s2 k1 2 Reno]
- $tcp3 set packetSize_ 2500
- $self run_test $tcp1 $tcp2 $tcp3 1.0 1.0 16
- }
- Class Test/reno2 -superclass TestSuite
- Test/reno2 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ reno2(static_initial_windows)
- set guide_ "Reno TCP, static initial windows."
- $self next pktTraceFile
- }
- Test/reno2 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- set tcp1 [$self make_tcp s1 k1 0 Reno]
- $tcp1 set windowInit_ 6
- $tcp1 set syn_ false
- $tcp1 set delay_growth_ false
- set tcp2 [$self make_tcp s2 k1 1 Reno]
- $tcp2 set syn_ true
- $tcp2 set delay_growth_ true
- set tcp3 [$self make_tcp s2 k1 2 Reno]
- $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/reno3 -superclass TestSuite
- Test/reno3 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ reno3(dropped_syn)
- set guide_ "Reno TCP, initial window after a dropped SYN packet."
- $self next pktTraceFile
- }
- Test/reno3 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$self make_tcp s1 k1 0 Reno]
- $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/reno4 -superclass TestSuite
- Test/reno4 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net7
- set test_ reno4(fast_retransmit)
- set guide_ "Reno TCP, window after a Fast Retransmit."
- Queue/RED set ns1_compat_ true
- $self next pktTraceFile
- }
- Test/reno4 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set packetSize_ 1000
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$self make_tcp s1 k1 0 Reno]
- set tcp2 [$self make_tcp s2 k1 1 Reno]
- $self second_test $tcp1 $tcp2
- }
- Class Test/newreno1 -superclass TestSuite
- Test/newreno1 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ newreno1(variable_packet_sizes)
- set guide_ "NewReno TCP, initial windows with different packet sizes."
- $self next pktTraceFile
- }
- Test/newreno1 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$self make_tcp s1 k1 0 Newreno]
- $tcp1 set packetSize_ 1000
- set tcp2 [$self make_tcp s2 k1 1 Newreno]
- $tcp2 set packetSize_ 1500
- set tcp3 [$self make_tcp s2 k1 2 Newreno]
- $tcp3 set packetSize_ 2500
- $self run_test $tcp1 $tcp2 $tcp3 1.0 1.0 16
- }
- Class Test/newreno2 -superclass TestSuite
- Test/newreno2 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ newreno2(static_initial_windows)
- set guide_ "NewReno TCP, static initial windows."
- $self next pktTraceFile
- }
- Test/newreno2 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- set tcp1 [$self make_tcp s1 k1 0 Newreno]
- $tcp1 set windowInit_ 6
- $tcp1 set syn_ false
- $tcp1 set delay_growth_ false
- set tcp2 [$self make_tcp s2 k1 1 Newreno]
- $tcp2 set syn_ true
- $tcp2 set delay_growth_ true
- set tcp3 [$self make_tcp s2 k1 2 Newreno]
- $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/newreno3 -superclass TestSuite
- Test/newreno3 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ newreno3(dropped_syn)
- set guide_ "NewReno TCP, initial window after a dropped SYN packet."
- $self next pktTraceFile
- }
- Test/newreno3 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$self make_tcp s1 k1 0 Newreno]
- $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/newreno4 -superclass TestSuite
- Test/newreno4 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net7
- set test_ newreno4(fast_retransmit)
- set guide_ "NewReno TCP, window after a Fast Retransmit."
- Queue/RED set ns1_compat_ true
- $self next pktTraceFile
- }
- Test/newreno4 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set packetSize_ 1000
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$self make_tcp s1 k1 0 Newreno]
- set tcp2 [$self make_tcp s2 k1 1 Newreno]
- $self second_test $tcp1 $tcp2
- }
- Class Test/sack1 -superclass TestSuite
- Test/sack1 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ sack1(variable_packet_sizes)
- set guide_ "Sack TCP, initial windows with different packet sizes."
- $self next pktTraceFile
- }
- Test/sack1 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$self make_tcp s1 k1 0 Sack]
- $tcp1 set packetSize_ 1000
- set tcp2 [$self make_tcp s2 k1 1 Sack]
- $tcp2 set packetSize_ 1500
- set tcp3 [$self make_tcp s2 k1 2 Sack]
- $tcp3 set packetSize_ 2500
- $self run_test $tcp1 $tcp2 $tcp3 1.0 1.0 16
- }
- Class Test/sack2 -superclass TestSuite
- Test/sack2 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ sack2(static_initial_windows)
- set guide_ "Sack TCP, static initial windows."
- $self next pktTraceFile
- }
- Test/sack2 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- set tcp1 [$self make_tcp s1 k1 0 Sack]
- $tcp1 set windowInit_ 6
- $tcp1 set syn_ false
- $tcp1 set delay_growth_ false
- set tcp2 [$self make_tcp s2 k1 1 Sack]
- $tcp2 set syn_ true
- $tcp2 set delay_growth_ true
- set tcp3 [$self make_tcp s2 k1 2 Sack]
- $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/sack3 -superclass TestSuite
- Test/sack3 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ sack3(dropped_syn)
- set guide_ "Sack TCP, initial window after a dropped SYN packet."
- $self next pktTraceFile
- }
- Test/sack3 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$self make_tcp s1 k1 0 Sack]
- $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/sack4 -superclass TestSuite
- Test/sack4 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net7
- set test_ sack4(fast_retransmit)
- set guide_ "Sack TCP, window after a Fast Retransmit."
- Queue/RED set ns1_compat_ true
- $self next pktTraceFile
- }
- Test/sack4 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set packetSize_ 1000
- Agent/TCP set windowInitOption_ 2
- set tcp1 [$self make_tcp s1 k1 0 Sack]
- set tcp2 [$self make_tcp s2 k1 1 Sack]
- $self second_test $tcp1 $tcp2
- }
- TestSuite instproc printtimers { tcp time} {
- global quiet
- if {$quiet == "false"} {
- set srtt [expr [$tcp set srtt_]/8 ]
- set rttvar [expr [$tcp set rttvar_]/4 ]
- set rto [expr $srtt + 2 * $rttvar ]
- puts "time: $time sRTT(in ticks): $srtt RTTvar(in ticks): $rttvar sRTT+2*RTTvar: $rto backoff: [$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"
- }
- # This test shows the packets and acknowledgements at the source,
- # for a path with a 9.6Kbps link, and 1000-byte packets.
- Class Test/slowLink -superclass TestSuite
- Test/slowLink instproc init {} {
- global plotacks
- $self instvar net_ test_ guide_
- set net_ net8
- set test_ slowLink(9.6K-link,1000-byte-pkt)
- set guide_ "Slow link, with statistics for sRTT, RTTvar, backoff"
- set plotacks true
- $self next pktTraceFile
- }
- Test/slowLink instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 2
- Agent/TCP set minrto_ 1
- set tcp1 [$self make_tcp s1 k1 0 Sack]
- $tcp1 set packetSize_ 1000
- $ns_ at 0.0 "$self printtimersAll $tcp1 0 1"
- $self runall_test $tcp1 30.0 30.0
- }
- # # This test shows the packets and acknowledgements at the source,
- # # for a path with a 9.6Kbps link, and 1000-byte packets.
- # Class Test/slowLinkDelayAck -superclass TestSuite
- # Test/slowLinkDelayAck instproc init {} {
- # global plotacks
- # $self instvar net_ test_ guide_
- # set net_ net8
- # set test_ slowLinkDelayAck(9.6K-link,1000-byte-pkt)
- # set plotacks true
- # $self next pktTraceFile
- # }
- #
- # Test/slowLinkDelayAck instproc run {} {
- # $self instvar ns_ node_ testName_
- # $self setTopo
- # Agent/TCP set windowInitOption_ 2
- # Agent/TCP set minrto_ 1
- # set tcp1 [$self make_tcp s1 k1 0 SackDelAck]
- # $tcp1 set packetSize_ 1000
- # $ns_ at 0.0 "$self printtimersAll $tcp1 0 1"
- # $self runall_test $tcp1 30.0 30.0
- # }
- # This test shows the packets and acknowledgements at the source,
- # for a path with a 9.6Kbps link, and 1500-byte packets.
- Class Test/slowLink1 -superclass TestSuite
- Test/slowLink1 instproc init {} {
- global plotacks
- $self instvar net_ test_ guide_
- set net_ net8
- set test_ slowLink1(9.6K-link,1500-byte-pkt)
- set guide_ "Slow link, with larger packets and a smaller initial window."
- set plotacks true
- $self next pktTraceFile
- }
- Test/slowLink1 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 2
- Agent/TCP set minrto_ 1
- set tcp1 [$self make_tcp s1 k1 0 Sack]
- $tcp1 set packetSize_ 1500
- $self runall_test $tcp1 30.0 30.0
- }
- # This test shows the packets and acknowledgements at the source,
- # for a path with a 9.6Kbps link, and 1500-byte packets.
- # Initial window of one packet.
- Class Test/slowLink2 -superclass TestSuite
- Test/slowLink2 instproc init {} {
- global plotacks
- $self instvar net_ test_ guide_
- set net_ net8
- set test_ slowLink2(9.6K-link,1500-byte-pkt)
- set guide_ "Slow link, with an initial window of two packets."
- set plotacks true
- $self next pktTraceFile
- }
- Test/slowLink2 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 1
- Agent/TCP set minrto_ 1
- set tcp1 [$self make_tcp s1 k1 0 Sack]
- $tcp1 set packetSize_ 1500
- $self runall_test $tcp1 30.0 30.0
- }
- # time 1.1: RTO, pkt 1 retransmitted, slow-start entered.
- # time 1.4: ACK arrives for (first) pkt 1, pkts 2 and 3 transmitted.
- # time 2.4: RTO, pkt 2 retransmitted, slow-start entered.
- # time 2.6: ACK arrives for (second) pkt 1.
- # time 3.7: RTO, pkt 2 retransmitted, slow-start entered.
- # time 3.9: ACK arrives for (first) pkt 2, pkt 3 retransmitted, pkt 4
- # transmitted
- # time 5.2: ACK arrives for (first) pkt 3, pkt 5 transmitted.
- Class Test/droppedSYN -superclass TestSuite
- Test/droppedSYN instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ droppedSYN
- set guide_ "NewReno TCP before bugfix_ss_, dropped SYN packet."
- ## static initial window of four packets
- Agent/TCP set bugfix_ss_ 0
- Agent/TCP set windowInit_ 4
- $self next pktTraceFile
- }
- Test/droppedSYN instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 1
- set tcp1 [$self make_tcp s1 k1 0 Newreno]
- $self drop_pkt [$ns_ link $node_(r1) $node_(k1)] 0 1
- $self runall_test $tcp1 5.0 5.0
- }
- Class Test/droppedSYN1 -superclass TestSuite
- Test/droppedSYN1 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ droppedSYN(bugfix_ss_)
- set guide_ "NewReno TCP, dropped SYN packet."
- ## static initial window of four packets
- Agent/TCP set bugfix_ss_ 1
- Agent/TCP set windowInit_ 4
- Test/droppedSYN1 instproc run {} [Test/droppedSYN info instbody run ]
- $self next pktTraceFile
- }
- Class Test/droppedPKT -superclass TestSuite
- Test/droppedPKT instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ droppedPKT(Newreno)
- set guide_ "NewReno TCP without bugfix_ss_, dropped initial data packet."
- ## static initial window of four packets
- Agent/TCP set bugfix_ss_ 0
- Agent/TCP set windowInit_ 4
- $self next pktTraceFile
- }
- Test/droppedPKT instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 1
- set tcp1 [$self make_tcp s1 k1 0 Newreno]
- $self drop_pkt [$ns_ link $node_(r1) $node_(k1)] 0 2
- $self runall_test $tcp1 5.0 5.0
- }
- Class Test/droppedPKT1 -superclass TestSuite
- Test/droppedPKT1 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ droppedPKT(NewReno,bugfix_ss_)
- set guide_ "NewReno TCP, dropped initial data packet."
- ## static initial window of four packets
- Agent/TCP set bugfix_ss_ 1
- Agent/TCP set windowInit_ 4
- Test/droppedPKT1 instproc run {} [Test/droppedPKT info instbody run ]
- $self next pktTraceFile
- }
- Class Test/droppedPKT2 -superclass TestSuite
- Test/droppedPKT2 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ droppedPKT2(Sack)
- set guide_ "Sack TCP without bugfix_ss_, dropped initial data packet."
- ## static initial window of four packets
- Agent/TCP set bugfix_ss_ 0
- Agent/TCP set windowInit_ 4
- $self next pktTraceFile
- }
- Test/droppedPKT2 instproc run {} {
- $self instvar ns_ node_ testName_
- $self setTopo
- Agent/TCP set windowInitOption_ 1
- set tcp1 [$self make_tcp s1 k1 0 Sack]
- $self drop_pkt [$ns_ link $node_(r1) $node_(k1)] 0 2
- $self runall_test $tcp1 5.0 5.0
- }
- Class Test/droppedPKT3 -superclass TestSuite
- Test/droppedPKT3 instproc init {} {
- $self instvar net_ test_ guide_
- set net_ net6
- set test_ droppedPKT3(Sack,bugfix_ss_)
- set guide_ "Sack TCP, dropped initial data packet."
- ## static initial window of four packets
- Agent/TCP set bugfix_ss_ 1
- Agent/TCP set windowInit_ 4
- Test/droppedPKT3 instproc run {} [Test/droppedPKT2 info instbody run ]
- $self next pktTraceFile
- }
- TestSuite runTest
- ### Local Variables:
- ### mode: tcl
- ### tcl-indent-level: 8
- ### tcl-default-application: ns
- ### End: