[ns] Wireless example

[Peter Koh <peterkoh_jp@yahoo.com>]

I had tried Marc Greis' tutorial example on the
wireless link as follow, and when I compiled, it's
give me some errors. Can someone help me on this.
Thank you in advance.

set opt(chan)  Channel/WirelessChannel
set opt(prop)  Propagation/TwoRayGround
set opt(netif) Phy/WirelessPhy
set opt(mac)   Mac/802_11
set opt(ifq)   Queue/DropTail/PriQueue
set opt(ll)    LL
set opt(ant)   Antenna/OmniAntenna
set opt(ifqlen) 50
set opt(nn)    1
set opt(adhocRouting)  DSDV

set opt(cp) ""
set opt(sc) ""

set opt(x)   670
set opt(y)   670
set opt(seed) 0.0
set opt(stop) 250

set opt(ftp1-start)  100.0
 
set num_wired_nodes   2


if {$opt(x) == 0 || $opt(y)==0} {
   puts "No X-Y boundary values given for wireless
topology \n"
}

if {$opt(seed) > 0} {
   puts "Seeding Random number generator with
$opt(seed)\n"
   ns-randoom $opt(seed)
}

set ns_ [new Simulator]

$ns_ node-config -addressType hierarchical

AddrParams set domain_num_ 3
lappend cluster_num 2 1 1
AddrParams set cluster_num_ $cluster_num
lappend eilastlevel 1 1 2 1
AddrParams set nodes_num_ $eilastlevel

set tracefd [open wireless3-out.tr w]
set namtrace [open wireless3-out.nam w]
$ns_ trace-all $tracefd
$ns_ namtrace-all-wireless $namtrace $opt(x) $opt(y)

set topo [new Topography]

$topo load_flatgrid $opt(x) $opt(y)

create-god $opt(nn)

set temp {0.0.0.0.1.0}
for {set i 0} {$i < $num_wired_nodes} {incr i} {
  set W($i) [$ns_ node [lindex $temp $i]]
}

$ns_ node-config -mobileIP ON\
                 -adhocRouting $opt(adhocRouting) \
                 -llType $opt(ll) \
                 -macType $opt(mac) \
                 -ifqType $opt(ifq) \
                 -ifqLen $opt(ifqlen) \
                 -antType $opt(ant) \
                 -propType $opt(prop)\
                 -phyType $opt(netif) \
                 -channelType $opt(chan) \
                 -topolnstance $topo \
                 -wiredRouting ON \
                 -agentTrace ON \
                 -routerTrace OFF \
                 -macTrace OFF 

set HA [$ns_ node 1.0.0]
set FA [$ns_ node 2.0.0]
$HA random-motion 0
$FA random-motion 0

$HA set X_ 1.000000000000
$HA set Y_ 2.000000000000
$HA set Z_ 0.000000000000

$FA set X_ 650.000000000000
$FA set X_ 600.000000000000
$FA set X_ 0.000000000000

$ns_ node-config -wiredRouting OFF
 
set MH [$ns_ node 1.0.1]
set node_(0) $MH
set HAaddress [AddrParams set-hieraddr [$HA
node-addr]]
[$MH set regagent_] set home_agent_ $HAaddress

$MH set Z_ 0.000000000000
$MH set Y_ 2.000000000000
$MH set X_ 2.000000000000

$ns_ at 100.000000000000 "$MH setdest 640.000000000000
610.000000000000 20.000000000000"

$ns_ at 200.000000000000 "$MH setdest 2.000000000000
2.000000000000 20.000000000000"

$ns_ duplex-link $W(0) $W(1) 5Mb 2ms DropTail
$ns_ duplex-link $W(1) $HA  5Mb 2ms DropTail
$ns_ duplex-link $W(1) $FA  5Mb 2ms DropTail

$ns_ duplex-link-op $W(0) $W(1) orient down
$ns_ duplex-link-op $W(1) $HA orient left-down 
$ns_ duplex-link-op $W(1) $FA orient right-down

set tcp1 [new Agent/TCP]
$tcp1 set class_ 2
set sink1 [new Agent/TCPSink]
$ns_ attach-agent $W(0) $tcp1
$ns_ attach-agent $MH $sink1
$ns_ connect $tcp1 $sink1
set ftp1 [new Application/FTP]
$ftp1 attach-agent $tcp1
$ns_ at $opt(ftp1-start) "$ftp1 start"

if {$opt(cp) == ""} {
    puts "*** Note : no connection pattern specified."
    set opt(cp) "none"
}
else {
    puts "Loading connection pattern ..."
    source $opt(cp)
}
if {$opt(sc) == ""} {
    puts "*** NOTE: no scenario file specified."
    set opt(sc) "none"
} else {
    puts "Loading scenario file ... "
    source $opt(sc)
    puts "Load complete ... "
}

for {set i 0} {$i < $opt(nn)} {incr i} {
   $ns_ initial_node_pos $node_($i) 20
}

for {set i 0} {$i < $opt(nn)} {incr i} {
   $ns_ at $opt(stop).0 "$node_($i) reset ";
}

$ns_ at $opt(stop).0 "$HA reset";
$ns_ at $opt(stop).0 "$FA reset";

$ns_ at $opt(stop).0002 "puts\"NS EXITING...\"; $ns_
halt"
$ns_ at $opt(stop).0001 "stop"
proc stop {} {
   global ns_ tracefd namtrace
   close $tracefd
   close $namtrace
}

puts $tracefd "M 0.0 nn $opt(nn) x $opt(x) y $opt(y)
rp \
     $opt(adhocRouting)"
puts $tracefd "M 0.0 sc $opt(sc) cp $opt(cp) seed
$opt(seed)"
puts $tracefd "M 0.0 prop $opt(prop) ant $opt(ant)"

puts "Starting Simulation..."
$ns_ run


ERROR
num_nodes is set 1
can't read "": no such variable
    (Object set line 1)
    invoked from within
"Node set nn_"
    (procedure "Node" line 2)
    (Node getid line 2)
    invoked from within
"Node getid"
    (procedure "_o23" line 7)
    (Node init line 7)
    invoked from within
"_o23 init {}"
    (Class create line 1)
    invoked from within
"Node create _o23 {}"
    invoked from within
"catch "$className create $o $args" msg"
    (procedure "new" line 3)
    invoked from within
"new Node {}"
    ("eval" body line 1)
    invoked from within
"eval new [Simulator set node_factory_] $args"
    (procedure "_o3" line 21)
    (Simulator node line 21)
    invoked from within
"$ns_ node [lindex $temp $i"
    ("for" body line 2)
    invoked from within
"for {set i 0} {$i < $num_wired_nodes} {incr i} {
  set W($i) [$ns_ node [lindex $temp $i]]
}"
    (file "wireless3a.tcl" line 56)





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