LinuxQuestions.org - [SOLVED] Floating point exception after run TCL script ns2

hi guys, sorry if i make this question in the wrong section
i got project lte in ns2, after i compile tcl script i got
----------

Code:

All the UEs are empty in DLS1Queue!

All the UEs are empty in DLS1Queue!

Floating point exception

----------
so i dont get the output, this is my tcl script

-------------

Code:

set ns [new Simulator -multicast on]



set f [open out.tr w]

$ns trace-all $f

set nf [open out.nam w]

$ns namtrace-all $nf



#set number 10

set numberClass0 2 

set numberClass1 3 

set numberClass2 9 

set numberClass3 1 

set number [expr {$numberClass0 + $numberClass1 + $numberClass2 + $numberClass3}] 

# qos_ means whether classfication/scheduling mechanism is used 

Queue/LTEQueue set qos_ true 

#Queue/LTEQueue set qos_ false 

# flow_control_ is used in the model phase 

Queue/LTEQueue set flow_control_ false 



set eNB [$ns node]

set aGW [$ns node]

set server [$ns node]





for { set i 0} {$i < $number} {incr i} {



set UE($i) [$ns node]

}

for { set i 0} {$i < $number} {incr i} {

$ns simplex-link $UE($i) $eNB 500Mb 2ms LTEQueue/ULAirQueue

$ns simplex-link $eNB $UE($i) 1Gb 2ms LTEQueue/DLAirQueue



}



$ns simplex-link $eNB $aGW 5Gb 10ms LTEQueue/ULS1Queue

$ns simplex-link $aGW $eNB 5Gb 10ms LTEQueue/DLS1Queue



$ns duplex-link $aGW $server 10Gb 100ms DropTail



set mproto DM

set mrthandle [$ns mrtproto $mproto {}]

set group [Node allocaddr]



for { set i 0 } { $i < $number } {incr i} {

set s0($i) [new Session/RTP]

set s1($i) [new Session/RTP]

$s0($i) session_bw 12.2kb/s

$s1($i) session_bw 12.2kb/s

$s0($i) attach-node $UE($i)

$s1($i) attach-node $server

$ns at 0.7 "$s0($i) join-group $group"

$ns at 0.8 "$s0($i) start"

$ns at 0.9 "$s0($i) transmit 12.2kb/s"

$ns at 1.0 "$s1($i) join-group $group"

$ns at 1.1 "$s1($i) start"

$ns at 1.2 "$s1($i) transmit 12.2kb/s"

}



for { set i 0} {$i < $number} {incr i} {

set udp($i) [new Agent/UDP]

$ns attach-agent $server $udp($i)

set null($i) [new Agent/Null]

$ns attach-agent $UE($i) $null($i)

$ns connect $udp($i) $null($i)

$udp($i) set class_ 1



set cbr($i) [new Application/Traffic/CBR]

$cbr($i) attach-agent $udp($i)

$cbr($i) set packetSize_ 1000

$cbr($i) set rate_ 0.01Mb

$cbr($i) set random_ false

$ns at 1.4 "$cbr($i) start"

}



# step 3.3 define the interactive traffic

$ns rtproto Session

set log [open "http.log" w]



# Care must be taken to make sure that every client sees the same set of pages as the servers to which they are attached.

set pgp [new PagePool/Math]

set tmp [new RandomVariable/Constant] ;# Size generator

$tmp set val_ 10240 ;# average page size

$pgp ranvar-size $tmp

set tmp [new RandomVariable/Exponential] ;# Age generator

$tmp set avg_ 4 ;# average page age

$pgp ranvar-age $tmp



set s [new Http/Server $ns $server]

$s set-page-generator $pgp

$s log $log



set cache [new Http/Cache $ns $aGW]

$cache log $log



for { set i 0} {$i<$number} {incr i} {

set c($i) [new Http/Client $ns $UE($i)]

set ctmp($i) [new RandomVariable/Exponential] ;# Poisson process

$ctmp($i) set avg_ 1 ;# average request interval

$c($i) set-interval-generator $ctmp($i)

$c($i) set-page-generator $pgp

$c($i) log $log

}



$ns at 0.4 "start-connection"

proc start-connection {} {

global ns s cache c number



$cache connect $s

for { set i 0} {$i<$number} {incr i} {

$c($i) connect $cache

$c($i) start-session $cache $s

}

}



for { set i 0} {$i < $number} {incr i} {

set tcp($i) [new Agent/TCP]

$ns attach-agent $server $tcp($i)

set sink($i) [new Agent/TCPSink]

$ns attach-agent $UE($i) $sink($i)

$ns connect $tcp($i) $sink($i)

$tcp($i) set class_ 3

$tcp($i) set packetSize_ 0.5M



set ftp($i) [new Application/FTP]

$ftp($i) attach-agent $tcp($i)

$ns at 3.4 "$ftp($i) start"

}



$ns at 30 "finish"

proc finish {} {

global ns f nf

$ns flush-trace

close $f

close $nf

#exec nam out.nam &

exit 0

}



$ns run

-------------------
thx to eyana this script i got, when i on the qos
i got the eror

Code:

All the UEs are empty in DLS1Queue!

All the UEs are empty in DLS1Queue!

Floating point exception

the code is Queue/LTEQueue set qos_ true
i got those error, but when i off it i got the output
i want to compare qos when it off and on

tq, for reading my problem
i hope anyone know to solve it :)