ad_hoc.tcl

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#====================================================================
# Define options
# ======================================================================
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(x)		2400;#500   ;# X dimension of the topography
set opt(y)		800;#500   ;# Y dimension of the topography
set opt(ifqlen)	50	      ;# max packet in ifq
set opt(seed)	0.0
set opt(nam)            "nam.tr"
set opt(tr)		temp3.tr    ;# trace file
set opt(adhocRouting)   AODV 
set opt(nn)             100;#50           ;# how many nodes are simulated
set opt(cp)		"scenarios/cbr-100-test";#"scenarios/cbr-50-5-4" 
set opt(sc)		"scenarios/setdest-100-test";#"scenarios/temp1" 
set opt(stop)		100.0		;# simulation time

#======================================================================
# Main Program
# ======================================================================
# Initialize Global Variables
# create simulator instance
set ns_		[new Simulator]

# set wireless channel, radio-model and topography objects
set wtopo	[new Topography]

# create trace object for ns and nam
set tracefd	[open $opt(tr) w]
$ns_ trace-all $tracefd
set namtracefd [open $opt(nam) w]
$ns_ namtrace-all-wireless $namtracefd $opt(x) $opt(y)
# use new trace file format
#$ns_ use-newtrace 

# define topology
$wtopo load_flatgrid $opt(x) $opt(y)

# Create God
set god_ [create-god $opt(nn)]

# define how node should be created
#global node setting
$ns_ node-config -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) \
		 -topoInstance $wtopo \
		 -agentTrace OFF\
                 -routerTrace ON \
                 -macTrace OFF 

#  Create the specified number of nodes [$opt(nn)] and "attach" them
#  to the channel. 
for {set i 0} {$i < $opt(nn) } {incr i} {
	set node_($i) [$ns_ node]	
	$node_($i) random-motion 0		;# disable random motion
}

# Define node movement model
puts "Loading connection pattern..."
source $opt(cp) 
 
# Define traffic model
puts "Loading scenario file..."
source $opt(sc)

# Define node initial position in nam
for {set i 0} {$i < $opt(nn)} {incr i} {

    # 20 defines the node size in nam, must adjust it according to your scenario
    # The function must be called after mobility model is defined
   $ns_ initial_node_pos $node_($i) 20
}

# Tell nodes when the simulation ends
for {set i 0} {$i < $opt(nn) } {incr i} {
    $ns_ at $opt(stop).000000001 "$node_($i) reset";
}

# tell nam the simulation stop time
#$ns_ at  $opt(stop)	"$ns_ nam-end-wireless $opt(stop)"
$ns_ at  $opt(stop).000000001 "puts \"NS EXITING...\" ; $ns_ halt"
puts "Starting Simulation..."
$ns_ run