aodvsim.tcl

在linux下开发的用于仿真ping协议的仿真文件

#define options
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) 9
set val(rp) AODV
set val(x) 500
set val(y) 500
set val(stop) 30.0
#Main Program


#Initialize Global Variables
set ns [new Simulator]

$ns color 1 Blue
$ns color 2 Red
$ns color 3 Yellow

set tracefd [open aodvsim1.tr w]
$ns trace-all $tracefd
set namtracefd [open aodvsim1.nam w]
$ns namtrace-all-wireless $namtracefd $val(x) $val(y)

proc finish {} {
	global ns tracefd namtracefd
	$ns flush-trace
	close $tracefd
	close $namtracefd
	exec nam aodvsim1.nam &
	exit 0
}

#Set topography object
set topo [new Topography]
$topo load_flatgrid $val(x) $val(y)

#Create God存储了节点的总数,各个节点之间的最短路径等信息
set god_  [create-god $val(nn)]

#config 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 node_($i) [$ns node]
	$node_($i) random-motion 0
}

#Provide initial(X,Y,Z)co-ordinates for mobilenodes
for {set i 0} {$i<$val(nn)} {incr i} {
	$node_($i) set Z_ 0.0
}
$node_(0) set X_ 0.0
$node_(0) set Y_ 0.0

$node_(1) set X_ 0.0
$node_(1) set Y_ 500.0

$node_(2) set X_ 500.0
$node_(2) set Y_ 0

$node_(3) set X_ 500.0
$node_(3) set Y_ 500.0

$node_(4) set X_ 125.0
$node_(4) set Y_ 125.0

$node_(5) set X_ 125.0
$node_(5) set Y_ 375.0

$node_(6) set X_ 375.0
$node_(6) set Y_ 125.0

$node_(7) set X_ 375.0
$node_(7) set Y_ 375.0

$node_(8) set X_ 250.0
$node_(8) set Y_ 250.0

#Now produce some node movements
#$ns at 1.000000 "$node_(0) setdest 0.00000 250.000000 9.0000"
#$ns at 0.0 "$node_(3) setdest 500.0 100.0 10.0"
#$ns at 0.0 "$node_(4) setdest 250.0 250.0 10.0"

#Define the connections
#connect node_(0) and node_(3) using FTP
set tcp0 [new Agent/TCP]
$tcp0 set class_ 2
set sink0 [new Agent/TCPSink]
$ns attach-agent $node_(0) $tcp0
$ns attach-agent $node_(3) $sink0
$ns connect $tcp0 $sink0
set ftp0 [new Application/FTP]
$ftp0 attach-agent $tcp0
$ns at 0.5 "$ftp0 start"
$tcp0 set fid_ 1

#connect node_(1) and node_(2) using cbr
set udp0 [new Agent/UDP]
$ns attach-agent $node_(1) $udp0
set null0 [new Agent/Null]
$ns attach-agent $node_(2) $null0
$ns connect $udp0 $null0
set cbr0 [new Application/Traffic/CBR]
$cbr0 attach-agent $udp0
$cbr0 set packetSize_ 64
$cbr0 set interval_ 0.1
$ns at 0.8 "$cbr0 start"
$udp0 set fid_ 2

#connect node_(4) and node_(7) using TELNET
set tcp1 [new Agent/TCP]
$tcp1 set class_ 2
set sink1 [new Agent/TCPSink]
$ns attach-agent $node_(4) $tcp1
$ns attach-agent $node_(7) $sink1
$ns connect $tcp1 $sink1
set telnet0 [new Application/Telnet]
$telnet0 attach-agent $tcp1
$ns at 1.0 "$telnet0 start"
$tcp1 set fid_ 3


#Define node initial position in nam
for {set i 0} {$i<$val(nn)} {incr i} {
$ns initial_node_pos $node_($i) 40
}

#Tell the nodes when the simulation ends
for {set i 0} {$i<$val(nn)} {incr i} {
$ns at $val(stop) "$node_($i) reset"
}

$ns at $val(stop) "finish"
$ns run