Я использую ns2 и хочу написать tcl-код для реализации беспроводных сенсорных сетей, я просмотрел сеть и обнаружил неполный код, внес некоторые изменения в него и запустил его, но терминал дает такой результат:
channel.cc:sendUp - Calc highestAntennaZ_ and distCST_
highestAntennaZ_ = 1.5, distCST_ = 550.0
SORTING LISTS ...DONE!
Segmentation fault (core dumped)
На самом деле, это проект, поэтому хорошо, если кто-нибудь скажет мне ошибку в коде или даст ссылку на исходный код реализации беспроводных сенсорных сетей.Это мой кодЗаранее спасибо.
set val(chan) Channel/WirelessChannel ;# channel type
set val(prop) Propagation/TwoRayGround ;# radio-propagation model
set val(netif) Phy/WirelessPhy ;# network interface type
set val(mac) Mac/802_11 ;# MAC type
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) 50 ;# max packet in ifq
set val(nn) 3 ;# number of mobilenodes
set val(rp) DSR ;# routing protocol
set val(x) 1200 ;# X dimension of topography
set val(y) 1000 ;# Y dimension of topography
set val(stop) 50 ;# time of simulation end
set val(err) UniformErrorProc
# Set up topography object
#-------------------------------------------
set ns [new Simulator]
set tracefd [open simple.tr w]
set windowVsTime2 [open win.tr w]
set namtrace [open simwrls.nam w]
# $ns use-newtrace
$ns trace-all $tracefd
$ns namtrace-all-wireless $namtrace $val(x) $val(y)
# set up topography object
set topo [new Topography]
$topo load_flatgrid $val(x) $val(y)
create-god $val(nn)
proc UniformErrorProc {} {
puts "dfdfad-----------------------------"
set err [new ErrorModel]
$err unit pkt
$err set rate_ 0.1
return $err
}
$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 OFF \
-macTrace OFF \
-movementTrace OFF \
-IncomingErrProc $val(err)\
-OutgoingErrProc $val(err)
for {set i 0} {$i < $val(nn) } { incr i } {
set node_($i) [$ns node]
}
$node_(0) set X_ 600.0
$node_(0) set Y_ 500.0
$node_(0) set Z_ 0.0
$node_(1) set X_ 800.0
$node_(1) set Y_ 400.0
$node_(1) set Z_ 0.0
$node_(2) set X_ 1000.0
$node_(2) set Y_ 400.0
$node_(2) set Z_ 0.0
set tcp [new Agent/TCP/Newreno]
$tcp set class_ 2
set sink [new Agent/TCPSink]
$ns attach-agent $node_(0) $tcp
$ns attach-agent $node_(2) $sink
$ns connect $tcp $sink
set ftp [new Application/FTP]
$ftp attach-agent $tcp
$ns at 1.0 "$ftp start"
set udp [new Agent/UDP]
$udp set class_ 2
set null [new Agent/Null]
$ns attach-agent $node_(1) $udp
$ns attach-agent $node_(2) $null
$ns connect $udp $null
set cbr_(0) [new Application/Traffic/CBR]
$cbr_(0) set packetSize_ 200
$cbr_(0) set interval_ 0.01
$cbr_(0) set random_ 1
$cbr_(0) set maxpkts_ 10000
$cbr_(0) attach-agent $udp
$ns at 11.0 "$cbr_(0) start"
# Printing the window size
proc plotWindow {tcpSource file} {
global ns
set time 5.00
set now [$ns now]
set cwnd [$tcpSource set cwnd_]
puts $file "$now $cwnd"
$ns at [expr $now+$time] "plotWindow $tcpSource $file"
}
$ns at 10.1 "plotWindow $tcp $windowVsTime2"
# Define node initial position in nam
for {set i 0} {$i < $val(nn)} { incr i } {
# 30 defines the node size for nam
$ns initial_node_pos $node_($i) 30
}
# Telling nodes when the simulation ends
for {set i 0} {$i < $val(nn) } { incr i } {
$ns at $val(stop) "$node_($i) reset";
}
proc stop {} {
global ns tracefd namtrace
$ns flush-trace
close $tracefd
close $namtrace
exec nam out.nam &
}
$ns run