wrls-aodv.tcl
资源名称:ns2-aodv.rar [点击查看]
上传用户:yjhhw123
上传日期:2014-05-29
资源大小:1824k
文件大小:4k
源码类别:
网络
开发平台:
Others
- # wrls1.tcl
- # A 3-node example for ad-hoc simulation with AODV
- # Define options
- 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) 5 ;# number of mobilenodes
- set val(rp) AODV ;# routing protocol
- set val(x) 500 ;# X dimension of topography
- set val(y) 400 ;# Y dimension of topography
- set val(stop) 150 ;# time of simulation end
- set ns [new Simulator]
- set tracefd [open simple.tr w]
- set windowVsTime2 [open win.tr w]
- set namtrace [open simwrls.nam w]
- $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 $val(nn)
- #
- # Create nn mobilenodes [$val(nn)] and attach them to the channel.
- #
- # 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)
- -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]
- }
- # Provide initial location of mobilenodes
- $node_(0) set X_ 5.0
- $node_(0) set Y_ 5.0
- $node_(0) set Z_ 0.0
- $node_(1) set X_ 490.0
- $node_(1) set Y_ 285.0
- $node_(1) set Z_ 0.0
- $node_(2) set X_ 150.0
- $node_(2) set Y_ 240.0
- $node_(2) set Z_ 0.0
- $node_(3) set X_ 250.0
- $node_(3) set Y_ 240.0
- $node_(3) set Z_ 0.0
- $node_(4) set X_ 100.0
- $node_(4) set Y_ 70.0
- $node_(4) set Z_ 0.0
- # Generation of movements
- $ns at 10.0 "$node_(0) setdest 250.0 250.0 10.0"
- $ns at 15.0 "$node_(1) setdest 45.0 285.0 10.0"
- $ns at 110.0 "$node_(0) setdest 480.0 300.0 10.0"
- $ns at 70.0 "$node_(3) setdest 180.0 30.0 10.0"
- # Set a TCP connection between node_(0) and node_(1)
- 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_(1) $sink
- $ns connect $tcp $sink
- set ftp [new Application/FTP]
- $ftp attach-agent $tcp
- $ns at 10.0 "$ftp start"
- # Printing the window size
- proc plotWindow {tcpSource file} {
- global ns
- set time 0.01
- 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";
- }
- # ending nam and the simulation
- $ns at $val(stop) "$ns nam-end-wireless $val(stop)"
- $ns at $val(stop) "stop"
- $ns at 150.01 "puts "end simulation" ; $ns halt"
- proc stop {} {
- global ns tracefd namtrace
- $ns flush-trace
- close $tracefd
- close $namtrace
- #Execute nam on the trace file
- exec nam simwrls.nam &
- exit 0
- }
- #Call the finish procedure after 5 seconds of simulation time
- $ns run