wireless-test.tcl
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- # Copyright (c) 1997 Regents of the University of California.
- # All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in the
- # documentation and/or other materials provided with the distribution.
- # 3. All advertising materials mentioning features or use of this software
- # must display the following acknowledgement:
- # This product includes software developed by the Computer Systems
- # Engineering Group at Lawrence Berkeley Laboratory.
- # 4. Neither the name of the University nor of the Laboratory may be used
- # to endorse or promote products derived from this software without
- # specific prior written permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- # SUCH DAMAGE.
- #
- # $Header: /cvsroot/nsnam/ns-2/tcl/ex/wireless-test.tcl,v 1.5 2000/08/18 18:34:04 haoboy Exp $
- #
- # A simple wireless example file that simulates a 3-mobilenode
- # topology. Traffic used are CBR and TCP flows.
- # ======================================================================
- # Default Script Options
- # ======================================================================
- set opt(chan) Channel/WirelessChannel
- set opt(prop) Propagation/TwoRayGround
- #set opt(netif) NetIf/SharedMedia
- set opt(netif) Phy/WirelessPhy
- #set opt(mac) Mac/802_11
- 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 dimension of the topography
- set opt(y) 670 ;# Y dimension of the topography
- set opt(cp) "../mobility/scene/cbr-3-test"
- set opt(sc) "../mobility/scene/scen-3-test"
- set opt(ifqlen) 50 ;# max packet in ifq
- set opt(nn) 3 ;# number of nodes
- set opt(seed) 0.0
- set opt(stop) 2000.0 ;# simulation time
- set opt(tr) out-test.tr ;# trace file
- set opt(rp) dsr ;# routing protocol script
- set opt(lm) "off" ;# log movement
- # ======================================================================
- set AgentTrace ON
- set RouterTrace ON
- set MacTrace OFF
- LL set mindelay_ 50us
- LL set delay_ 25us
- LL set bandwidth_ 0 ;# not used
- 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
- # ======================================================================
- proc usage { argv0 } {
- puts "Usage: $argv0"
- puts "tmandatory arguments:"
- puts "tt[-x MAXX] [-y MAXY]"
- puts "toptional arguments:"
- puts "tt[-cp conn pattern] [-sc scenario] [-nn nodes]"
- puts "tt[-seed seed] [-stop sec] [-tr tracefile]n"
- }
- proc getopt {argc argv} {
- global opt
- lappend optlist cp nn seed sc stop tr x y
- for {set i 0} {$i < $argc} {incr i} {
- set arg [lindex $argv $i]
- if {[string range $arg 0 0] != "-"} continue
- set name [string range $arg 1 end]
- set opt($name) [lindex $argv [expr $i+1]]
- }
- }
- proc cmu-trace { ttype atype node } {
- global ns_ tracefd
- if { $tracefd == "" } {
- return ""
- }
- set T [new CMUTrace/$ttype $atype]
- $T target [$ns_ set nullAgent_]
- $T attach $tracefd
- $T set src_ [$node id]
- $T node $node
- return $T
- }
- proc create-god { nodes } {
- global ns_ god_ tracefd
- set god_ [new God]
- $god_ num_nodes $nodes
- }
- proc log-movement {} {
- global logtimer ns_ ns
- set ns $ns_
- source ../mobility/timer.tcl
- Class LogTimer -superclass Timer
- LogTimer instproc timeout {} {
- global opt node_;
- for {set i 0} {$i < $opt(nn)} {incr i} {
- $node_($i) log-movement
- }
- $self sched 0.1
- }
- set logtimer [new LogTimer]
- $logtimer sched 0.1
- }
- # ======================================================================
- # Main Program
- # ======================================================================
- getopt $argc $argv
- #
- # Source External TCL Scripts
- #
- source ../lib/ns-mobilenode.tcl
- #if { $opt(rp) != "" } {
- source ../mobility/$opt(rp).tcl
- #} elseif { [catch { set env(NS_PROTO_SCRIPT) } ] == 1 } {
- #puts "nenvironment variable NS_PROTO_SCRIPT not set!n"
- #exit
- #} else {
- #puts "n*** using script $env(NS_PROTO_SCRIPT)nn";
- #source $env(NS_PROTO_SCRIPT)
- #}
- source ../lib/ns-cmutrace.tcl
- # do the get opt again incase the routing protocol file added some more
- # options to look for
- getopt $argc $argv
- 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)
- }
- #
- # Initialize Global Variables
- #
- set ns_ [new Simulator]
- set chan [new $opt(chan)]
- set prop [new $opt(prop)]
- set topo [new Topography]
- set tracefd [open $opt(tr) w]
- set nf [open nam-out-test.nam w]
- set f [open trace-out-test.tr w]
- $ns_ namtrace-all-wireless $nf $opt(x) $opt(y)
- $ns_ trace-all $f
- $topo load_flatgrid $opt(x) $opt(y)
- $prop topography $topo
- #
- # Create God
- #
- create-god $opt(nn)
- #
- # log the mobile nodes movements if desired
- #
- if { $opt(lm) == "on" } {
- log-movement
- }
- #
- # Create the specified number of nodes $opt(nn) and "attach" them
- # the channel.
- # Each routing protocol script is expected to have defined a proc
- # create-mobile-node that builds a mobile node and inserts it into the
- # array global $node_($i)
- #
- if { [string compare $opt(rp) "dsr"] == 0} {
- for {set i 0} {$i < $opt(nn) } {incr i} {
- dsr-create-mobile-node $i
- }
- } elseif { [string compare $opt(rp) "dsdv"] == 0} {
- for {set i 0} {$i < $opt(nn) } {incr i} {
- dsdv-create-mobile-node $i
- }
- }
- #enable node trace in nam
- for {set i 0} {$i < $opt(nn)} {incr i} {
- $node_($i) namattach $nf
- # 20 defines the node size in nam, must adjust it according to your scenario
- $ns_ initial_node_pos $node_($i) 20
- }
- #
- # 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 $opt(cp)
- }
- #
- # Tell all the nodes when the simulation ends
- #
- for {set i } {$i < $opt(nn) } {incr i} {
- $ns_ at $opt(stop).000000001 "$node_($i) reset";
- }
- $ns_ at $opt(stop).1 "puts "NS EXITING..." ; $ns_ halt"
- $ns_ at $opt(stop) "stop"
- if { $opt(sc) == "" } {
- puts "*** NOTE: no scenario file specified."
- set opt(sc) "none"
- } else {
- puts "Loading scenario file..."
- source $opt(sc)
- puts "Load complete..."
- }
- 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
- proc stop {} {
- global ns_ f nf
- $ns_ flush-trace
- close $f
- close $nf
- }