ns2.35,setdest,invoked from within

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ns2.35,setdest,invoked from within



i want to add mobility for sink on tclscript.
sink is shown with mnode(0).
i had a command in terminal : ./setdest -v 2 -n 1 -m 15 -M 15 -t 500 -x 500 -y 500 > mob



mobfile added to tcl directory & add below command to tcl:


./setdest -v 2 -n 1 -m 15 -M 15 -t 500 -x 500 -y 500 > mob


set val(cp) "mob" ;

#
# Define node movement model
#
#puts "Loading connection pattern..."
#source $val(cp)



but when i run XXX.tcl, i have an error:


Loading connection pattern...
can't read "mnode_(0)": no such variable
while executing
"$mnode_(0) set X_ 78.313432119133"
(file "mob" line 7)
invoked from within
"source.orig mob"
("uplevel" body line 1)
invoked from within
"uplevel source.orig [list $fileName]"
invoked from within
"if [$instance_ is_http_url $fileName]
set buffer [$instance_ read_url $fileName]
uplevel eval $buffer
else {
uplevel source.orig [list $fileName]
..."
(procedure "source" line 8)
invoked from within
"source $val(cp)"
(file "AE_3.tcl" line 30)



can you help me?
thanks a lot.
my tcl code:




# Generated by Topology Generator for Network Simulator (c) Elmurod Talipov
set val(chan) Channel/WirelessChannel ;# channel type
set val(prop) Propagation/TwoRayGround ;# radio-propagation model
set val(netif) Phy/WirelessPhy ; # network interface type#dccp.tcl
set val(mac) Mac/802_11 ; # MAC type#dccp.tcl
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) 100 ;# max packet in ifq
set val(nn) 60 ;# number of mobilenodes
set val(rp) AE ;# protocol tye
set val(x) 500 ;# X dimension of topography
set val(y) 500 ;# Y dimension of topography
set val(stop) 500 ;# simulation period
set val(energymodel) EnergyModel ;# Energy Model
set val(initialenergy) 1000 ;# value
#set val(sc) "./mob" ;# me
#set val(cs) "../mobility/scene/cbr-3-test";
#set val(sc) "../mobility/scene/scen-3-test";


set ns [new Simulator]
set tracefd [open AE_3.tr w]
set namtrace [open AE_3.nam w]

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

#
# Define node movement model
#
#puts "Loading connection pattern..."
#source $val(sc)


set dist(5m) 7.69113e-06
set dist(9m) 2.37381e-06
set dist(10m) 1.92278e-06
set dist(11m) 1.58908e-06
set dist(12m) 1.33527e-06
set dist(13m) 1.13774e-06
set dist(14m) 9.81011e-07
set dist(15m) 8.54570e-07
set dist(16m) 7.51087e-07
set dist(20m) 4.80696e-07
set dist(25m) 3.07645e-07
set dist(30m) 2.13643e-07
set dist(35m) 1.56962e-07
set dist(40m) 1.20174e-07
set dist(75m) 3.41828e-08
set dist(100m) 1.42681e-08
Phy/WirelessPhy set CSThresh_ $dist(100m)
Phy/WirelessPhy set RXThresh_ $dist(75m)


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

create-god $val(nn)
# from wireless-pkt-demo

#set god_ [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)
-channel [new $val(chan)]
-topoInstance $topo
-agentTrace ON
-routerTrace ON
-macTrace OFF
-movementTrace OFF
-energyModel $val(energymodel)
-initialEnergy $val(initialenergy)
-rxPower 35.28e-3
-txPower 31.32e-3
-idlePower 712e-6
-sleepPower 144e-9

#-IncomingErrProc MultistateErrorProc
#-OutgoingErrProc MultistateErrorProc

for set i 0 $i < $val(nn) incr i
set mnode_($i) [$ns node]




for set i 1 $i < $val(nn) incr i
$mnode_($i) set X_ [ expr $val(x) * rand() ]
$mnode_($i) set Y_ [ expr $val(y) * rand() ]
$mnode_($i) set Z_ 0


# Position of Sink
$mnode_(0) set X_ [ expr $val(x)/2 ]
$mnode_(0) set Y_ [ expr $val(y)/2 ]
$mnode_(0) set Z_ 0.0
$mnode_(0) label "Sink"

#start sending beacon message
$ns at 1.0 "[$mnode_(0) set ragent_] sink"


for set i 0 $i < $val(nn) incr i
$ns initial_node_pos $mnode_($i) 3



#Setup a UDP connection
set udp [new Agent/UDP]
$ns attach-agent $mnode_(10) $udp

set sink [new Agent/Null]
$ns attach-agent $mnode_(0) $sink

$ns connect $udp $sink
$udp set fid_ 2

#Setup a CBR over UDP connection
set cbr [new Application/Traffic/CBR]
$cbr attach-agent $udp
$cbr set type_ CBR
$cbr set packet_size_ 256
$cbr set interval_ 2
#$cbr set random_ false

$ns at 5.0 "$cbr start"
$ns at [expr $val(stop) - 5] "$cbr stop"





Has mnode_(0) ever been set to anything? It doesn't look like it. Remember, Tcl evaluates your script strictly in order.
– Donal Fellows
Aug 7 at 10:30


mnode_(0)





Donal Fellows, thank you for reply. i tried to collect data with mobile sink from all nodes. please give me tcl code for this. every one pleaze help me.. thanks a lot.
– m.h
Sep 2 at 18:58










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