Hello evry Body,
I am using the NS format generated by brite. when i try to use the node
generated by the procedure create_topology (for monotoring per example), i
have this error
// can't read "n(3)": no such variable
while executing
"$ns monitor-queue create_topology.$n(3) $n(6) """
invoked from within
"set qmon36 [$ns monitor-queue create_topology.$n(3) $n(6) ""]"
(file "topology.tcl" line 189)//
the code is :
// proc create_topology {} {
global ns
#nodes:
set num_node 10
for {set i 0} {$i < $num_node} {incr i} {
set n($i) [$ns mpls-node]
}
set node0 [$ns node]
set node1 [$ns node]
#links:
set qtype CBQ
$ns duplex-link $node0 $n(3) 10.0Mb 3ms DropTail
$ns duplex-link $n(0) $n(6) 10.0Mb 2.312773335190996ms $qtype
$ns duplex-link $n(1) $n(0) 10.0Mb 2.9694568204843463ms $qtype
$ns duplex-link $n(2) $n(1) 10.0Mb 1.8352240604833803ms $qtype
$ns duplex-link $n(3) $n(2) 10.0Mb 1.5822334297190923ms $qtype
$ns duplex-link $n(4) $n(0) 10.0Mb 1.4360234541568795ms $qtype
$ns duplex-link $n(5) $n(3) 10.0Mb 2.559521441995941ms $qtype
$ns duplex-link $n(6) $n(3) 10.0Mb 0.7953178172063804ms $qtype
$ns duplex-link $n(7) $n(4) 10.0Mb 2.7512102890042183ms $qtype
$ns duplex-link $n(8) $n(7) 10.0Mb 1.6254465755920127ms $qtype
$ns duplex-link $n(9) $n(3) 10.0Mb 0.5596028576377098ms $qtype
$ns duplex-link $n(7) $node1 10.0Mb 3ms DropTail
}
#end function create_topology
set qs 100
## Queue Monitor for some links
set qmon36 [$ns monitor-queue $n(3) $n(6) ""]
set qmon63 [$ns monitor-queue $n(6) $n(3) ""]
set sample36 [new Samples]
$qmon04 set-delay-samples $sample36
set sample63 [new Samples]
$qmon40 set-delay-samples $sample63
$ns queue-limit $n(3) $n(6) $qs //
Best regards,
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