📄 wired-cum-wireless-sim.tcl
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### This simulation is an example of combination of wired and wireless ### topologies.# 0 o W1(0.0.0) WIRED NODES# |# 1 o W2 (0.1.0)# / \# / \ #--*--*--*--*--*- 2 o o 3 base-stn nodes --*-*-*-*-*-*-*-# (2.0.0) BS1 BS2 (2.0.0) # o 5# 4 o WL2 (2.0.2) # (2.0.1) WL1 # o 6 (2.0.3) WIRELESS NODES# WL3## node 4 and 6 communicate thru node 5 who can hear the base-station node BS1. TCP flows are established between node 0 and node 6.##===============================================================#optionsset opt(chan) Channel/WirelessChannelset opt(prop) Propagation/TwoRayGroundset opt(netif) Phy/WirelessPhyset opt(mac) Mac/802_11set opt(ifq) Queue/DropTail/PriQueueset opt(ll) LLset opt(ant) Antenna/OmniAntennaset opt(x) 670 ;# X & Y dimension of the topographyset opt(y) 670 ;# hard wired for now...##set opt(cp) "../mobility/scene/cbr-3-test" ;# connection pattern fileset opt(cp) ""set opt(sc) "../mobility/scene/scen-3-test" ;# scenario fileset opt(rp) dsr ;# available routing proto:dsdv/dsrset opt(ifqlen) 50 ;# max packet in ifqset opt(seed) 0.0set opt(stop) 500.0 ;# simulation timeset opt(cc) "off"set opt(tr) wired-and-wireless-out.tr ;# trace fileset opt(ftp1-start) 200.0set opt(ftp2-start) 160.0set opt(cbr-start) 240.0# =================================================================## Default settingsset num_wired_nodes 2set num_bs_nodes 2set num_wireless_nodes 3set opt(nn) 5 ;# total number of wireless nodes#==================================================================# Other class settingsset AgentTrace ONset RouterTrace ONset MacTrace OFFLL set mindelay_ 50usLL set delay_ 25usAgent/Null set sport_ 0Agent/Null set dport_ 0Agent/CBR set sport_ 0Agent/CBR set dport_ 0Agent/TCPSink set sport_ 0Agent/TCPSink set dport_ 0Agent/TCP set sport_ 0Agent/TCP set dport_ 0Agent/TCP set packetSize_ 1460Queue/DropTail/PriQueue set Prefer_Routing_Protocols 1# unity gain, omni-directional antennas# set up the antennas to be centered in the node and 1.5 meters above itAntenna/OmniAntenna set X_ 0Antenna/OmniAntenna set Y_ 0Antenna/OmniAntenna set Z_ 1.5Antenna/OmniAntenna set Gt_ 1.0Antenna/OmniAntenna set Gr_ 1.0# Initialize the SharedMedia interface with parameters to make# it work like the 914MHz Lucent WaveLAN DSSS radio interfacePhy/WirelessPhy set CPThresh_ 10.0Phy/WirelessPhy set CSThresh_ 1.559e-11Phy/WirelessPhy set RXThresh_ 3.652e-10Phy/WirelessPhy set Rb_ 2*1e6Phy/WirelessPhy set Pt_ 0.2818Phy/WirelessPhy set freq_ 914e+6 Phy/WirelessPhy set L_ 1.0# ======================================================================source ../lib/ns-wireless-mip.tcl# intial setup - set addressing to hierarchicalset ns [new Simulator]$ns set-address-format hierarchicalset namtrace [open wired-wireless-out.nam w]$ns namtrace-all $namtraceset trace [open wired-wireless-out.tr w]$ns trace-all $traceAddrParams set domain_num_ 3lappend cluster_num 2 1 1AddrParams set cluster_num_ $cluster_numlappend eilastlevel 1 1 4 1AddrParams set nodes_num_ $eilastlevel# setup the wired nodesset temp {0.0.0 0.1.0}for {set i 0} {$i < $num_wired_nodes} {incr i} { set W($i) [$ns node [lindex $temp $i]] }### setup base stations & wireless nodes# Create common objects & other stuff for wireless topology#source ../lib/ns-bsnode.tcl#source ../mobility/com.tcl#source ../mobility/dsr.tclif { $opt(x) == 0 || $opt(y) == 0 } { puts "No X-Y boundary values given for wireless topology\n"}set chan [new $opt(chan)]set prop [new $opt(prop)]set topo [new Topography]set tracefd [open $opt(tr) w]#setup topography and propagation model$topo load_flatgrid $opt(x) $opt(y)$prop topography $topo# Create Godcreate-god $opt(nn)# create base stationsset temp {1.0.0 1.0.1 1.0.2 1.0.3}set BS(0) [create-base-station-node [lindex $temp 0]]set BS(1) [create-base-station-node 2.0.0]#provide some co-ord (fixed) to base stations$BS(0) set X_ 1.0$BS(0) set Y_ 2.0$BS(0) set Z_ 0.0$BS(1) set X_ 650.0$BS(1) set Y_ 600.0$BS(1) set Z_ 0.0#create some mobilenodes in the same domain as BS_0for {set j 0} {$j < $num_wireless_nodes} {incr j} { set node_($j) [ $opt(rp)-create-mobile-node $j [lindex $temp \ [expr $j+1]] ] $node_($j) base-station [AddrParams set-hieraddr \ [$BS(0) node-addr]]}if { $opt(x) == 0 || $opt(y) == 0 } { usage $argv0 exit 1}if {$opt(seed) > 0} { puts "Seeding Random number generator with $opt(seed)\n" ns-random $opt(seed)}## Source the Connection and Movement scripts#if { $opt(cp) == "" } { puts "*** NOTE: no connection pattern specified." set opt(cp) "none"} else { puts "Loading connection pattern..." source $opt(cp)}if { $opt(sc) == "" } { puts "*** NOTE: no scenario file specified." set opt(sc) "none"} else { puts "Loading scenario file..." source $opt(sc) puts "Load complete..."}#create links between wired and BS nodes$ns duplex-link $W(0) $W(1) 5Mb 2ms DropTail$ns duplex-link $W(1) $BS(0) 5Mb 2ms DropTail$ns duplex-link $W(1) $BS(1) 5Mb 2ms DropTail$ns duplex-link-op $W(0) $W(1) orient down$ns duplex-link-op $W(1) $BS(0) orient left-down$ns duplex-link-op $W(1) $BS(1) orient right-down# setup TCP connectionsset tcp1 [new Agent/TCP]$tcp1 set class_ 2set sink1 [new Agent/TCPSink]$ns attach-agent $node_(0) $tcp1$ns attach-agent $W(0) $sink1$ns connect $tcp1 $sink1set ftp1 [new Application/FTP]$ftp1 attach-agent $tcp1$ns at $opt(ftp1-start) "$ftp1 start"set tcp2 [new Agent/TCP]$tcp2 set class_ 2set sink2 [new Agent/TCPSink]$ns attach-agent $W(1) $tcp2$ns attach-agent $node_(2) $sink2$ns connect $tcp2 $sink2set ftp2 [new Application/FTP]$ftp2 attach-agent $tcp2$ns at $opt(ftp2-start) "$ftp2 start"set udp_(0) [new Agent/UDP]$ns_ attach-agent $node_(0) $udp_(0)set null_(0) [new Agent/Null]$ns_ attach-agent $W(0) $null_(0)set cbr_(0) [new Application/Traffic/CBR]$cbr_(0) set packetSize_ 512$cbr_(0) set interval_ 4.0$cbr_(0) set random_ 1$cbr_(0) set maxpkts_ 10000$cbr_(0) attach-agent $udp_(0)$ns_ connect $udp_(0) $null_(0)$ns_ at $opt(cbr-start) "$cbr_(0) start"## Tell all the nodes when the simulation ends#for {set i 0} {$i < $num_wireless_nodes } {incr i} { $ns_ at $opt(stop).0000010 "$node_($i) reset";}$ns_ at $opt(stop).0000010 "$BS(0) reset";$ns_ at $opt(stop).0000010 "$BS(1) reset";$ns_ at $opt(stop).21 "finish"$ns_ at $opt(stop).20 "puts \"NS EXITING...\" ; "proc finish {} { global ns_ trace namtrace $ns_ flush-trace close $namtrace close $trace #puts "running nam..." #exec nam out.nam & puts "Finishing ns.." exit 0}puts $tracefd "M 0.0 nn $opt(nn) x $opt(x) y $opt(y) rp $opt(rp)"puts $tracefd "M 0.0 sc $opt(sc) cp $opt(cp) seed $opt(seed)"puts $tracefd "M 0.0 prop $opt(prop) ant $opt(ant)"puts "Starting Simulation..."$ns_ run
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