# This test suite is for validating the algorithmic routing supportAgent/TCP set tcpTick_ 0.1# The default for tcpTick_ is being changed to reflect a changing reality.Agent/TCP set rfc2988_ false# The default for rfc2988_ is being changed to true.# FOR UPDATING GLOBAL DEFAULTS:Agent/TCP set windowInit_ 1# The default is being changed to 2.Agent/TCP set singledup_ 0# The default is being changed to 1# in ns.## To run all tests:  test-all-algo-routing## To run individual tests:# ns test-suite-algo-routing.tcl Algo1# ns test-suite-algo-routing.tcl Algo2# ...## To view a list of available tests to run with this script:# ns test-suite-mixmode.tcl## FOR UPDATING GLOBAL DEFAULTS:Agent/TCP set useHeaders_ false# The default is being changed to useHeaders_ true.Agent/TCP set syn_ falseAgent/TCP set delay_growth_ false# In preparation for changing the default values for syn_ and delay_growth_.Class TestSuiteTestSuite instproc init {} {	$self instvar ns_ net_ defNet_ test_ topo_ node_ testName_	set ns_ [new Simulator]	$ns_ use-scheduler List	Node enable-module VC        $ns_ multicast	$ns_ trace-all [open temp.rands w]	$ns_ namtrace-all [open temp.rands.nam w]	$ns_ color 1 red	$ns_ color 0 blue	$ns_ color 2 yellow	if {$net_ == ""} {		set net_ $defNet_	}	if ![Topology/$defNet_ info subclass Topology/$net_] {		global argv0		puts "$argv0: cannot run test $test_ over topology $net_"		exit 1	}	set topo_ [new Topology/$net_ $ns_]	foreach i [$topo_ array names node_] {		# This would be cool, but lets try to be compatible		# with test-suite.tcl as far as possible.		#		# $self instvar $i		# set $i [$topo_ node? $i]		#		set node_($i) [$topo_ node? $i]	}	if {$net_ == $defNet_} {		set testName_ "$test_"	} else {		set testName_ "$test_:$net_"	}}TestSuite instproc finish args {	$self instvar ns_		$ns_ flush-trace	exit 0}proc usage {} {	global argv0	puts stderr "usage: ns $argv0 <tests> \[<topologies>\]"	puts stderr "Valid tests are:\t[get-subclasses TestSuite Test/]"	puts stderr "Valid Topologies are:\t[get-subclasses SkelTopology Topology/]"	exit 1}proc isProc? {cls prc} {	if [catch "Object info subclass $cls/$prc" r] {		global argv0		puts stderr "$argv0: no such $cls: $prc"		usage	}}proc get-subclasses {cls pfx} {	set ret ""	set l [string length $pfx]	set c $cls	while {[llength $c] > 0} {		set t [lindex $c 0]		set c [lrange $c 1 end]		if [string match ${pfx}* $t] {			lappend ret [string range $t $l end]		}		eval lappend c [$t info subclass]	}	set ret}TestSuite proc runTest {} {	global argc argv	switch $argc {		1 {			set test $argv			isProc? Test $test			set topo ""		}		2 {			set test [lindex $argv 0]			isProc? Test $test			set a [lindex $argv 1]			if {$a == "QUIET"} {				set topo ""			} else {				set topo $a				isProc? Topology $topo			}		}		default {			usage		}	}	set t [new Test/$test $topo]	$t run}# Skeleton topology base classClass SkelTopologySkelTopology instproc init {} {    $self next}SkelTopology instproc node? n {    $self instvar node_    if [info exists node_($n)] {	set ret $node_($n)    } else {	set ret ""    }    set ret}SkelTopology instproc add-fallback-links {ns nodelist bw delay qtype args} {   $self instvar node_    set n1 [lindex $nodelist 0]    foreach n2 [lrange $nodelist 1 end] {	if ![info exists node_($n2)] {	    set node_($n2) [$ns node]	}	$ns duplex-link $node_($n1) $node_($n2) $bw $delay $qtype	foreach opt $args {	    set cmd [lindex $opt 0]	    set val [lindex $opt 1]	    if {[llength $opt] > 2} {		set x1 [lindex $opt 2]		set x2 [lindex $opt 3]	    } else {		set x1 $n1		set x2 $n2	    }	    $ns $cmd $node_($x1) $node_($x2) $val	    $ns $cmd $node_($x2) $node_($x1) $val	}	set n1 $n2    }}Class NodeTopology/6nodes -superclass SkelTopologyNodeTopology/6nodes instproc init ns {    $self next    $self instvar node_    set node_(n0) [$ns node]    set node_(n1) [$ns node]    set node_(n2) [$ns node]    set node_(n3) [$ns node]    set node_(n4) [$ns node]    set node_(n5) [$ns node]}Class Topology/net6 -superclass NodeTopology/6nodes## Create a simple six node topology:##                  n0#                 /  \                    #               n1    n2#              /  \  /  \#             n3   n4   n5## All links are of 1.5Mbps bandwidth with 10ms latency#Topology/net6 instproc init ns {    $self next $ns    $self instvar node_    $ns duplex-link $node_(n0) $node_(n1) 1.5Mb 10ms DropTail     $ns duplex-link $node_(n0) $node_(n2) 1.5Mb 10ms DropTail     $ns duplex-link $node_(n1) $node_(n3) 1.5Mb 10ms DropTail     $ns duplex-link $node_(n1) $node_(n4) 1.5Mb 10ms DropTail     $ns duplex-link $node_(n2) $node_(n4) 1.5Mb 10ms DropTail     $ns duplex-link $node_(n2) $node_(n5) 1.5Mb 10ms DropTail     if {[$class info instprocs config] != ""} {	$self config $ns    }}Class NodeTopology/3nodes -superclass SkelTopologyNodeTopology/3nodes instproc init ns {    $self next    $self instvar node_    set node_(n0) [$ns node]    set node_(n1) [$ns node]    set node_(n2) [$ns node]}Class Topology/net3 -superclass NodeTopology/3nodes## Create a simple six node topology:##                  n0#                 /  \                    #               n1 -- n2## All links are of 1.5Mbps bandwidth with 10ms latency#Topology/net3 instproc init ns {    $self next $ns    $self instvar node_    $ns duplex-link $node_(n0) $node_(n1) 1.5Mb 10ms DropTail     $ns duplex-link $node_(n0) $node_(n2) 1.5Mb 10ms DropTail     $ns duplex-link $node_(n1) $node_(n2) 1.5Mb 10ms DropTail     if {[$class info instprocs config] != ""} {	$self config $ns    }}Class NodeTopology/4nodes -superclass SkelTopologyNodeTopology/4nodes instproc init ns {	$self next		$self instvar node_	set node_(n0) [$ns node]	set node_(n1) [$ns node]	set node_(n2) [$ns node]	set node_(n3) [$ns node]}Class Topology/net4 -superclass NodeTopology/4nodes# Create a simple four node topology:##	              n3#	             / #       1.5Mb,10ms  / 1.5Mb,10ms                              #    n0 --------- n1#                  \  1.5Mb,10ms#	            \ #	             n2#Topology/net4 instproc init ns {	$self next $ns	$self instvar node_	$ns duplex-link $node_(n0) $node_(n1) 1.5Mb 10ms DropTail	$ns duplex-link $node_(n1) $node_(n2) 1.5Mb 10ms DropTail	$ns duplex-link $node_(n1) $node_(n3) 1.5Mb 10ms DropTail	if {[$class info instprocs config] != ""} {		$self config $ns	}}# Definition of test-suite tests# Testing algorithmic routing in a simple topologyClass Test/VC1 -superclass TestSuiteTest/VC1 instproc init net {	$self instvar defNet_ test_ net_	set defNet_	net3	set test_	VC1	set net_	$net	$self next}Test/VC1 instproc run {} {	$self instvar ns_ node_ testName_	set grp0 [Node allocaddr]        $ns_ rtproto Algorithmic        set mproto CtrMcast        set mrthandle [$ns_ mrtproto $mproto {}]        if {$mrthandle != ""} {	    $mrthandle set_c_rp $node_(n2)	}        if {$mrthandle != ""} {	    $ns_ at 0.3 "$mrthandle switch-treetype $grp0"        }	set udp0 [new Agent/UDP]	$ns_ attach-agent $node_(n1) $udp0	$udp0 set dst_addr_ $grp0	$udp0 set dst_port_ 0	$udp0 set class_ 1	set cbr0 [new Application/Traffic/CBR]	$cbr0 attach-agent $udp0		set rcvr0 [new Agent/LossMonitor]	$ns_ attach-agent $node_(n0) $rcvr0	set rcvr1 [new Agent/LossMonitor]	$ns_ attach-agent $node_(n1) $rcvr1	set rcvr2 [new Agent/LossMonitor]	$ns_ attach-agent $node_(n2) $rcvr2	$ns_ at 0.1 "$cbr0 start"	$ns_ at 0.1 "$node_(n1) join-group $rcvr1 $grp0"	$ns_ at 0.1 "$node_(n0) join-group $rcvr0 $grp0"	$ns_ at 0.1 "$node_(n2) join-group $rcvr2 $grp0"		$ns_ at 0.5 "$self finish [list $rcvr0 $rcvr1 $rcvr2]"	$ns_ run}# Testing algorithmic routing with multicast in a simple topologyClass Test/VC2 -superclass TestSuiteTest/VC2 instproc init net {	$self instvar defNet_ test_ net_	set defNet_	net6	set test_	VC2	set net_	$net	$self next}Test/VC2 instproc run {} {	$self instvar ns_ node_ testName_	set grp0 [Node allocaddr]        $ns_ rtproto Algorithmic        set mproto CtrMcast        set mrthandle [$ns_ mrtproto $mproto {}]        if {$mrthandle != ""} {	    $mrthandle set_c_rp $node_(n2)	}        if {$mrthandle != ""} {	    $ns_ at 0.3 "$mrthandle switch-treetype $grp0"        }	set udp0 [new Agent/UDP]	$ns_ attach-agent $node_(n4) $udp0	$udp0 set dst_addr_ $grp0	$udp0 set dst_port_ 0	$udp0 set class_ 1	set cbr0 [new Application/Traffic/CBR]	$cbr0 attach-agent $udp0		set rcvr0 [new Agent/LossMonitor]	$ns_ attach-agent $node_(n0) $rcvr0	set rcvr1 [new Agent/LossMonitor]	$ns_ attach-agent $node_(n1) $rcvr1	set rcvr2 [new Agent/LossMonitor]	$ns_ attach-agent $node_(n2) $rcvr2	set rcvr3 [new Agent/LossMonitor]	$ns_ attach-agent $node_(n3) $rcvr3	set rcvr4 [new Agent/LossMonitor]	$ns_ attach-agent $node_(n4) $rcvr4	set rcvr5 [new Agent/LossMonitor]	$ns_ attach-agent $node_(n5) $rcvr5	$ns_ at 0.1 "$cbr0 start"	$ns_ at 0.1 "$node_(n1) join-group $rcvr1 $grp0"	$ns_ at 0.1 "$node_(n0) join-group $rcvr0 $grp0"	$ns_ at 0.1 "$node_(n3) join-group $rcvr3 $grp0"	$ns_ at 0.1 "$node_(n2) join-group $rcvr2 $grp0"	$ns_ at 0.1 "$node_(n4) join-group $rcvr4 $grp0"	$ns_ at 0.1 "$node_(n5) join-group $rcvr5 $grp0"		$ns_ at 0.5 "$self finish [list $rcvr0 $rcvr1 $rcvr2 $rcvr3 $rcvr4 $rcvr5]"	$ns_ run}Class Test/VC3 -superclass TestSuiteTest/VC3 instproc init topo {	$self instvar net_ defNet_ test_	set net_	$topo	set defNet_	net4	set test_	VC3	$self next}Test/VC3 instproc run {} {    $self instvar ns_ node_ testName_	    set udp0 [new Agent/UDP]    $ns_ attach-agent $node_(n3) $udp0    set cbr0 [new Application/Traffic/CBR]    $cbr0 attach-agent $udp0        set udp1 [new Agent/UDP]    $ns_ attach-agent $node_(n0) $udp1    $udp1 set class_ 1    set cbr1 [new Application/Traffic/CBR]    $cbr1 attach-agent $udp1    set null0 [new Agent/Null]    $ns_ attach-agent $node_(n0) $null0    set null1 [new Agent/Null]    $ns_ attach-agent $node_(n2) $null1    $ns_ connect $udp0 $null0    $ns_ connect $udp1 $null1    $ns_ at 1.0 "$cbr0 start"    $ns_ at 1.1 "$cbr1 start"    set tcp [new Agent/TCP]    $tcp set class_ 2    set sink [new Agent/TCPSink]    $ns_ attach-agent $node_(n0) $tcp    $ns_ attach-agent $node_(n3) $sink    $ns_ connect $tcp $sink    set ftp [new Application/FTP]    $ftp attach-agent $tcp    $ns_ at 1.2 "$ftp start"    $ns_ at 1.35 "$ns_ detach-agent $node_(n0) $tcp ; $ns_ detach-agent $node_(n3) $sink"    $ns_ at 1.5 "$self finish"	    $ns_ run}TestSuite runTest