Ad-hoc simulation for wireless network WITH ns2

//Sim-wirels

# Define options

set val(chan) Channel/WirelessChannel ;# channel type

set val(prop) Propagation/TwoRayGround ;# radio-propagation model

set val(netif) Phy/WirelessPhy ;# network interface type

set val(mac) Mac/802_11 ;# MAC type

set val(ifq) Queue/DropTail/PriQueue ;# interface queue type

set val(ll) LL ;# link layer type

set val(ant) Antenna/OmniAntenna ;# antenna model

set val(ifqlen) 50 ;# max packet in ifq

set val(nn) 3 ;# number of mobilenodes

set val(rp) DSDV ;# routing protocol

set val(x) 500 ;# X dimension of topography

set val(y) 500 ;# Y dimension of topography

set val(stop) 150 ;# time of simulation end

set ns [new Simulator]

set tracefd [open simple.tr w]

set namtrace [open simwrls.nam w]

$ns trace-all $tracefd

$ns namtrace-all-wireless $namtrace $val(x) $val(y)

# set up topography object

set topo [new Topography]

$topo load_flatgrid $val(x) $val(y)

create-god $val(nn)

# configure the nodes

$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) \

  -channelType $val(chan) \

  -topoInstance $topo \

  -agentTrace ON \

  -routerTrace ON \

  -macTrace OFF \

  -movementTrace ON

for {set i 0} {$i < $val(nn) } { incr i } {

    set n($i) [$ns node]

   }

# Provide initial location of mobilenodes

$n(0) set X_ 347.0

$n(0) set Y_ 3.0

$n(0) set Z_ 0.0

$n(1) set X_ 345.0

$n(1) set Y_ 36.0

$n(1) set Z_ 0.0

$n(2) set X_ 330.0

$n(2) set Y_ 121.0

$n(2) set Z_ 0.0

    set x [$n(0) node-addr]

    puts $x

    set x [$n(1) node-addr]

    puts $x

    set x [$n(2) node-addr]

    puts $x

# Set a TCP connection between n(1) and n(31)

set p1 [new Agent/Ping]

set p2 [new Agent/Ping]

$ns attach-agent $n(1) $p1

$ns attach-agent $n(2) $p2

#$ns connect $p1 $p2

set tcp [new Agent/TCP/Newreno]

$tcp set class_ 2

set sink [new Agent/TCPSink]

$ns attach-agent $n(1) $tcp

$ns attach-agent $n(2) $sink

$ns connect $tcp $sink

set ftp [new Application/FTP]

$ftp attach-agent $tcp

#$ns at 10.0 "$ftp start"

$ns at 10.0 "$p1 send"

$ns at 15.0 "$p2 send"

# Set a TCP connection between n(31) and n(43)

set tcp [new Agent/TCP/Newreno]

$tcp set class_ 2

set sink [new Agent/TCPSink]

$ns attach-agent $n(1) $tcp

$ns attach-agent $n(2) $sink

$ns connect $tcp $sink

#defining heads

$ns at 0.0 "$n(0) label CH"

$ns at 0.0 "$n(1) label Source"

$ns at 0.0 "$n(2) label N2"

$ns at 10.0 "$n(0) setdest 405.0 228.0 5.0"

$ns at 13.0 "$n(1) setdest 300.0 20.0 5.0"

$ns at 15.0 "$n(2) setdest 115.0 85.0 5.0"

#Color change while moving from one group to another

$ns at 73.0 "$n(2) delete-mark N2"

$ns at 73.0 "$n(2) add-mark N2 pink circle"

$ns at 124.0 "$n(1) delete-mark N11"

$ns at 124.0 "$n(1) add-mark N11 purple circle"

$ns at 103.0 "$n(0) delete-mark N5"

$ns at 103.0 "$n(0) add-mark N5 white circle"

$ns at 87.0 "$n(2) delete-mark N26"

$ns at 87.0 "$n(2) add-mark N26 yellow circle"

$ns at 92.0 "$n(1) delete-mark N14"

$ns at 92.0 "$n(1) add-mark N14 green circle"

# Define node initial position in nam

for {set i 0} {$i < $val(nn)} { incr i } {

# 20 defines the node size for nam

$ns initial_node_pos $n($i) 20

}

# Telling nodes when the simulation ends

for {set i 0} {$i < $val(nn) } { incr i } {

$ns at $val(stop) "$n($i) reset";

}

# ending nam and the simulation

$ns at $val(stop) "$ns nam-end-wireless $val(stop)"

$ns at $val(stop) "stop"

$ns at 150.01 "puts \"end simulation\" ; $ns halt"

proc stop {} {

global ns tracefd namtrace

$ns flush-trace

close $tracefd

close $namtrace

}

$ns run

OUTPUT: