- ## wireless-mobileIP-simulation
- # o W1 WIRED NODES
- # |
- # o W2
- # /
- # /
- #--*--*--*--*--*--*- o o base-stn nodes --*-*-*-*-*-*-*-
- # HA FA
- # o
- # o WL o WIRELESS NODE MOVING
- # WL WL FROM HA TO FA.
- #
- #
- #options
- set opt(chan) Channel/WirelessChannel
- set opt(prop) Propagation/TwoRayGround
- set opt(netif) Phy/WirelessPhy
- set opt(mac) Mac/802_11
- set opt(ifq) Queue/DropTail/PriQueue
- set opt(ll) LL
- set opt(ant) Antenna/OmniAntenna
- set opt(x) 670 ;# X & Y dimension of the topography
- set opt(y) 670 ;# hard wired for now...
- set opt(rp) dsr ;# rotuing protocls: dsdv/dsr
- set opt(ifqlen) 50 ;# max packet in ifq
- set opt(seed) 0.0
- set opt(stop) 250.0 ;# simulation time
- set opt(cc) "off"
- set opt(tr) wireless-mip-out.tr ;# trace file
- set opt(cp) ""
- set opt(sc) ""
- set opt(ftp1-start) 100.0
- # =================================================================
- set num_wired_nodes 2
- set num_bs_nodes 2
- set num_wireless_nodes 1
- set opt(nn) 3 ;# total number of wireless nodes
- #==================================================================
- # Other class settings
- set AgentTrace ON
- set RouterTrace OFF
- set MacTrace OFF
- LL set mindelay_ 50us
- LL set delay_ 25us
- Agent/Null set sport_ 0
- Agent/Null set dport_ 0
- Agent/CBR set sport_ 0
- Agent/CBR set dport_ 0
- Agent/TCPSink set sport_ 0
- Agent/TCPSink set dport_ 0
- Agent/TCP set sport_ 0
- Agent/TCP set dport_ 0
- Agent/TCP set packetSize_ 1460
- Queue/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 it
- Antenna/OmniAntenna set X_ 0
- Antenna/OmniAntenna set Y_ 0
- Antenna/OmniAntenna set Z_ 1.5
- Antenna/OmniAntenna set Gt_ 1.0
- Antenna/OmniAntenna set Gr_ 1.0
- # Initialize the SharedMedia interface with parameters to make
- # it work like the 914MHz Lucent WaveLAN DSSS radio interface
- Phy/WirelessPhy set CPThresh_ 10.0
- Phy/WirelessPhy set CSThresh_ 1.559e-11
- Phy/WirelessPhy set RXThresh_ 3.652e-10
- Phy/WirelessPhy set Rb_ 2*1e6
- Phy/WirelessPhy set Pt_ 0.2818
- Phy/WirelessPhy set freq_ 914e+6
- Phy/WirelessPhy set L_ 1.0
- # ==================================================================
- #source ../lib/ns-bsnode.tcl
- #source ../mobility/com.tcl
- #source ../mobility/dsr.tcl
- #source ../lib/ns-mip.tcl
- source ../lib/ns-wireless-mip.tcl
- # intial setup - set addressing to hierarchical
- set ns [new Simulator]
- $ns set-address-format hierarchical
- # set mobileIP flag
- Simulator set mobile_ip_ 1
- set namtrace [open wireless-mip.nam w]
- $ns namtrace-all $namtrace
- set trace [open wireless-mip.tr w]
- $ns trace-all $trace
- AddrParams set domain_num_ 3
- lappend cluster_num 2 1 1
- AddrParams set cluster_num_ $cluster_num
- lappend eilastlevel 1 1 4 1
- AddrParams set nodes_num_ $eilastlevel
- ##debug 1
- ## setup the wired nodes
- set temp {0.0.0 0.1.0}
- for {set i 0} {$i < $num_wired_nodes} {incr i} {
- set W($i) [$ns node [lindex $temp $i]]
- }
- ## create common objects reqd for wireless sim.
- if { $opt(x) == 0 || $opt(y) == 0 } {
- puts "No X-Y boundary values given for wireless topologyn"
- }
- 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 God
- create-god $opt(nn)
- ## setup ForeignAgent and HomeAgent nodes
- set HA [create-base-station-node 1.0.0]
- set FA [create-base-station-node 2.0.0]
- #provide some co-ord (fixed) to these base-station nodes.
- $HA set X_ 1.000000000000
- $HA set Y_ 2.000000000000
- $HA set Z_ 0.000000000000
- $FA set X_ 650.000000000000
- $FA set Y_ 600.000000000000
- $FA set Z_ 0.000000000000
- # create a mobilenode that would be moving between HA and FA.
- # note address of MH indicates its in the same domain as HA.
- set MH [$opt(rp)-create-mobile-node 0 1.0.2]
- set HAaddress [AddrParams addr2id [$HA node-addr]]
- [$MH set regagent_] set home_agent_ $HAaddress
- # movement of the MH
- $MH set Z_ 0.000000000000
- $MH set Y_ 2.000000000000
- $MH set X_ 2.000000000000
- # starts to move towards FA
- $ns at 100.000000000000 "$MH setdest 640.000000000000 610.000000000000 20.000000000000"
- # goes back to HA
- $ns at 200.000000000000 "$MH setdest 2.000000000000 2.000000000000 20.000000000000"
- 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 BaseStation nodes
- $ns duplex-link $W(0) $W(1) 5Mb 2ms DropTail
- $ns duplex-link $W(1) $HA 5Mb 2ms DropTail
- $ns duplex-link $W(1) $FA 5Mb 2ms DropTail
- $ns duplex-link-op $W(0) $W(1) orient down
- $ns duplex-link-op $W(1) $HA orient left-down
- $ns duplex-link-op $W(1) $FA orient right-down
- # setup TCP connections between a wired node and the MobileHost
- set tcp1 [new Agent/TCP]
- $tcp1 set class_ 2
- set sink1 [new Agent/TCPSink]
- $ns attach-agent $W(0) $tcp1
- $ns attach-agent $MH $sink1
- $ns connect $tcp1 $sink1
- set ftp1 [new Application/FTP]
- $ftp1 attach-agent $tcp1
- $ns at $opt(ftp1-start) "$ftp1 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 $opt(stop).0000010 "$HA reset";
- $ns_ at $opt(stop).0000010 "$FA reset";
- $ns_ at $opt(stop).21 "finish"
- $ns_ at $opt(stop).20 "puts "NS EXITING..." ; "
- ###$ns_ halt"
- 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