# Define options
 # ==============================

========================================
   set val(chan)         Channel/WirelessChannel  ;# channel type
   set val(prop)         Propagation/TwoRayGround ;# radio-propagation model
   set val(ant)          Antenna/OmniAntenna      ;# Antenna type
   set val(ll)           LL                       ;# Link layer type
   set val(ifq)          Queue/DropTail/PriQueue  ;# Interface queue type
   set val(ifqlen)       50                       ;# max packet in ifq
   set val(netif)        Phy/WirelessPhy          ;# network interface type
   set val(mac)          Mac/802_11               ;# MAC type
   set val(nn)           6                        ;# number of mobilenodes
   set val(rp)           DSR                     ;# routing protocol
   set val(x)            800
   set val(y)            800

 set ns [new Simulator]
 #ns-random 0

 set f [open bhapith.tr w]
 $ns trace-all $f
 set namtrace [open 1_out.nam w]
 set runall [open runall.bat w]
 $ns namtrace-all-wireless $namtrace $val(x) $val(y)
 set f0 [open packets_received.tr w]
 set f1 [open packets_lost.tr w]
 set f2 [open proj_out2.tr w]
 set f3 [open proj_out3.tr w]

 set topo [new Topography]
 $topo load_flatgrid 800 800

 create-god $val(nn)

 set chan_1 [new $val(chan)]
 set chan_2 [new $val(chan)]
 set chan_3 [new $val(chan)]
 set chan_4 [new $val(chan)]
 set chan_5 [new $val(chan)]
 set chan_6 [new $val(chan)]

 # CONFIGURE AND CREATE 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 OFF \
                   -routerTrace ON \
                   -macTrace ON \
                   -movementTrace OFF \
                   -channel $chan_1  # \
                   #-channel $chan_2   \
                   #-channel $chan_3   \
                   #-channel $chan_4   \
                   #-channel $chan_5   \
                   #-channel $chan_6


 proc finish {} {
      global ns f f0 f1 f2 f3 namtrace
      $ns flush-trace
          close $namtrace
      close $f0
          close $f1
       close $f2
          close $f3
          exec xgraph packets_received.tr packets_lost.tr -x in_sec
-y recived_packet -geometry 800x400 &
          exec nam -r 5m 1_out.nam &

             exit 0
 }

 proc record {} {
    global sink0 sink1 sink2 sink3 sink4 sink5 f0 f1 f2 f3
     #Get An Instance Of The Simulator
     set ns [Simulator instance]

     #Set The Time After Which The Procedure Should Be Called Again
     set time 0.05
     #How Many Bytes Have Been Received By The Traffic Sinks?
     set bw0 [$sink5 set npkts_]
     set bw1 [$sink5 set nlost_]
     #set bw2 [$sink2 set npkts_]
     #set bw3 [$sink3 set npkts_]

     #Get The Current Time
     set now [$ns now]

     #Save Data To The Files
     puts $f0 "$now [expr $bw0]"
     puts $f1 "$now [expr $bw1]"
     #puts $f2 "$now [expr $bw2]"
     #puts $f3 "$now [expr $bw3]"

     #Re-Schedule The Procedure
     $ns at [expr $now+$time] "record"
    }

 # define color index
 $ns color 0 blue
 $ns color 1 red
 $ns color 2 chocolate
 $ns color 3 red
 $ns color 4 brown
 $ns color 5 tan
 $ns color 6 gold
 $ns color 7 black

 set n(0) [$ns node]
 #$ns at 0.0 "$n(0) color red"
 $n(0) color "0"
 $n(0) shape "box"
 set n(1) [$ns node]
 $n(1) color "blue"
 $n(1) shape "hexagon"
 set n(2) [$ns node]
 $n(2) color "tan"
 $n(2) shape "circle"
 set n(3) [$ns node]
 $n(3) color "red"
 $n(3) shape "circle"
 set n(4) [$ns node]
 $n(4) color "tan"
 $n(4) shape "circle"
 set n(5) [$ns node]
 $n(5) color "red"
 $n(5) shape "circle"






 for {set i 0} {$i < $val(nn)} {incr i} {
      $ns initial_node_pos $n($i) 30+i*100
 }

 $n(0) set X_ 0.0
 $n(0) set Y_ 0.0
 $n(0) set Z_ 0.0

 $n(1) set X_ 0.0
 $n(1) set Y_ 0.0
 $n(1) set Z_ 0.0

 $n(2) set X_ 0.0
 $n(2) set Y_ 0.0
 $n(2) set Z_ 0.0

 $n(3) set X_ 0.0
 $n(3) set Y_ 0.0
 $n(3) set Z_ 0.0

 $n(4) set X_ 0.0
 $n(4) set Y_ 0.0
 $n(4) set Z_ 0.0

 $n(5) set X_ 0.0
 $n(5) set Y_ 0.0
 $n(5) set Z_ 0.0

 $ns at 0.0 "$n(0) setdest 100.0 100.0 3000.0"
 $ns at 0.0 "$n(1) setdest 200.0 200.0 3000.0"
 $ns at 0.0 "$n(2) setdest 300.0 200.0 3000.0"
 $ns at 0.0 "$n(3) setdest 400.0 300.0 3000.0"
 $ns at 0.0 "$n(4) setdest 500.0 300.0 3000.0"
 $ns at 0.0 "$n(5) setdest 600.0 400.0 3000.0"

 $ns at 2.0 "$n(5) setdest 100.0 400.0 500.0"
 #$ns at 1.5 "$n(3) setdest 450.0 150.0 500.0"


 # CONFIGURE AND SET UP A FLOW


 set sink0 [new Agent/LossMonitor]
 set sink1 [new Agent/LossMonitor]
 set sink2 [new Agent/LossMonitor]
 set sink3 [new Agent/LossMonitor]
 set sink4 [new Agent/LossMonitor]
 set sink5 [new Agent/LossMonitor]
 $ns attach-agent $n(0) $sink0
 $ns attach-agent $n(1) $sink1
 $ns attach-agent $n(2) $sink2
 $ns attach-agent $n(3) $sink3
 $ns attach-agent $n(4) $sink4
 $ns attach-agent $n(5) $sink5

 #$ns attach-agent $sink2 $sink3
 set tcp0 [new Agent/TCP]
 $ns attach-agent $n(0) $tcp0
 set tcp1 [new Agent/TCP]
 $ns attach-agent $n(1) $tcp1
 set tcp2 [new Agent/TCP]
 $ns attach-agent $n(2) $tcp2
 set tcp3 [new Agent/TCP]
 $ns attach-agent $n(3) $tcp3
 set tcp4 [new Agent/TCP]
 $ns attach-agent $n(4) $tcp4
 set tcp5 [new Agent/TCP]
 $ns attach-agent $n(5) $tcp5


 proc attach-CBR-traffic { node sink size interval } {
     #Get an instance of the simulator
     set ns [Simulator instance]
     #Create a CBR  agent and attach it to the node
     set cbr [new Agent/CBR]
     $ns attach-agent $node $cbr
     $cbr set packetSize_ $size
     $cbr set interval_ $interval

     #Attach CBR source to sink;
     $ns connect $cbr $sink
     return $cbr
    }

 set cbr0 [attach-CBR-traffic $n(0) $sink5 1000 .015]
 #set cbr1 [attach-CBR-traffic $n(1) $sink2 1000 .015]
 #set cbr2 [attach-CBR-traffic $n(2) $sink3 1000 .015]
 #set cbr3 [attach-CBR-traffic $n(3) $sink0 1000 .015]
 #set cbr4 [attach-CBR-traffic $n(4) $sink3 1000 .015]
 #set cbr5 [attach-CBR-traffic $n(5) $sink0 1000 .015]



 $ns at 0.0 "record"
 $ns at 0.5 "$cbr0 start"
 $ns at 0.5 "$cbr2 start"
 $ns at 2.0 "$cbr0 stop"
 $ns at 2.0 "$cbr2 stop"
 $ns at 1.0 "$cbr0 start"
 $ns at 4.0 "$cbr3 stop"

 $ns at 10.0 "finish"

 puts "Start of simulation.."
 $ns run







--
 Regards,
**

       * *

*      *B*hapith***