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error "Commad: <ScriptName>.tcl <Number_of_Nodes>"
exit 0
}
set val(chan) Channel/WirelessChannel ;
set val(prop) Propagation/TwoRayGround ;
set val(netif) Phy/WirelessPhy ;
set val(mac) Mac/802_11 ;
set val(ifq) Queue/DropTail/PriQueue ;
set val(ll) LL ;
set val(ant) Antenna/OmniAntenna ;
set val(ifqlen) 50 ;
set val(nn) [lindex $argv 0] ;
set val(rp) AODV ;
set val(x) 750 ;
set val(y) 750 ;
set val(stop) 100.0 ;#
set ns [new Simulator]
set topo [new Topography]
$topo load_flatgrid $val(x) $val(y)
create-god $val(nn)
set tracefile [open out.tr w]
$ns trace-all $tracefile
set namfile [open out.nam w]
$ns namtrace-all $namfile
$ns namtrace-all-wireless $namfile $val(x) $val(y)
set chan [new $val(chan)];#Create wireless channel
$ns node-config -adhocRouting $val(rp)
-llType $val(ll)
-macType $val(mac)
-ifqType $val(ifq)
-ifqLen $val(ifqlen)
-antType $val(ant)
-propType $val(prop)
-phyType $val(netif)
-channel $chan
-topoInstance $topo
-agentTrace ON
-routerTrace ON
-macTrace OFF
-movementTrace OFF
for {set i 0} {$i < $val(nn)} {incr i} {
set n($i) [$ns node]
}
for {set i 0} {$i < $val(nn)} {incr i} {
set XX [expr rand()*750]
set YY [expr rand()*750]
$n($i) set X_ $XX
$n($i) set Y_ $YY
}
$ns at 0.0 "destination"
for {set i 0} {$i < $val(nn)} {incr i} {
$ns initial_node_pos $n($i) 50
}
proc destination {} {
global ns val n
set now [$ns now]
set time 3.0
for {set i 0} {$i < $val(nn)} {incr i} {
set XX [expr rand()*750]
set YY [expr rand()*750]
$ns at [expr $now + $time] "$n($i) setdest $XX $YY 20.0"
}
$ns at [expr $now + $time] "destination"
}
#Setup a TCP connection
set tcp0 [new Agent/TCP]
$ns attach-agent $n(0) $tcp0
set sink1 [new Agent/TCPSink]
$ns attach-agent $n(5) $sink1
$ns connect $tcp0 $sink1
$tcp0 set packetSize_ 1500
#Setup a FTP Application over TCP connection
set ftp0 [new Application/FTP]
$ftp0 attach-agent $tcp0
$ns at 1.0 "$ftp0 start"
#Define a 'finish' procedure
proc finish {} {
global ns tracefile namfile
$ns flush-trace
close $tracefile
close $namfile
exec nam out.nam &
exit 0
}
for {set i 0} {$i < $val(nn) } { incr i } {
$ns at $val(stop) "$n($i) reset"
}
$ns at $val(stop) "$ns nam-end-wireless $val(stop)"
$ns at $val(stop) "finish"
$ns at $val(stop) "puts "done" ; $ns halt"
$ns run
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