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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.
#
Mac/Simple set bandwidth_ 1Mb
set MESSAGE_PORT 42
set BROADCAST_ADDR -1
#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(mac) Mac ;# MAC type
set val(mac) Mac/Simple
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) 32768 ;# max packet in ifq
set val(rp) DumbAgent
set ns [new Simulator]
set f [open chanInterference-temp.tr w]
$ns trace-all $f
$ns eventtrace-all
set nf [open chanInterference-temp.nam w]
$ns namtrace-all-wireless $nf 1000 200
# set up topography object
set topo [new Topography]
$topo load_flatgrid 1000 200
$ns color 3 green;
$ns color 8 red;
$ns color 1 black;
$ns color 7 purple;
#
# Create God
#
create-god 3
set mac0 [new Mac/Simple]
$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 Channel/WirelessChannel \
-topoInstance $topo \
-agentTrace OFF \
-routerTrace OFF \
-macTrace ON \
-movementTrace OFF
for {set i 0} {$i < 3} {incr i} {
set node_($i) [$ns node]
$node_($i) random-motion 0
}
$node_(0) color black
$node_(1) color black
$node_(2) color black
$node_(0) set X_ 200.0
$node_(0) set Y_ 30.0
$node_(0) set Z_ 0.0
$node_(1) set X_ 330.0
$node_(1) set Y_ 150.0
$node_(1) set Z_ 0.0
$node_(2) set X_ 460.0
$node_(2) set Y_ 30.0
$node_(2) set Z_ 0.0
$ns at 0.25 "$node_(2) setdest 900.0 30.0 10000.0"
$ns at 0.40 "$node_(2) setdest 700.0 30.0 10000.0"
$ns at 0.65 "$node_(2) setdest 600.0 30.0 10000.0"
# subclass Agent/MessagePassing to make it do flooding
Class Agent/MessagePassing/Flooding -superclass Agent/MessagePassing
Agent/MessagePassing/Flooding instproc recv {source sport size data} {
$self instvar messages_seen node_
global ns BROADCAST_ADDR
# extract message ID from message
set message_id [lindex [split $data ":"] 0]
puts "\nNode [$node_ node-addr] got message $message_id\n"
if {[lsearch $messages_seen $message_id] == -1} {
lappend messages_seen $message_id
$ns trace-annotate "[$node_ node-addr] received {$data} from $source"
$ns trace-annotate "[$node_ node-addr] sending message $message_id"
$self sendto $size $data $BROADCAST_ADDR $sport
} else {
$ns trace-annotate "[$node_ node-addr] received redundant message $message_id from $source"
}
}
Agent/MessagePassing/Flooding instproc send_message {size message_id data port} {
$self instvar messages_seen node_
global ns MESSAGE_PORT BROADCAST_ADDR
lappend messages_seen $message_id
$ns trace-annotate "[$node_ node-addr] sending message $message_id"
$self sendto $size "$message_id:$data" $BROADCAST_ADDR $port
}
# attach a new Agent/MessagePassing/Flooding to each node on port $MESSAGE_PORT
for {set i 0} {$i < 3} {incr i} {
set a($i) [new Agent/MessagePassing/Flooding]
$node_($i) attach $a($i) $MESSAGE_PORT
$a($i) set messages_seen {}
}
$ns at 0.1 "$a(0) send_message 500 1 {first_message} $MESSAGE_PORT"
$ns at 0.101 "$a(2) send_message 500 2 {second_message} $MESSAGE_PORT"
$ns at 0.2 "$a(0) send_message 500 11 {eleventh_message} $MESSAGE_PORT"
$ns at 0.2 "$a(2) send_message 500 12 {twelfth_message} $MESSAGE_PORT"
$ns at 0.35 "$a(0) send_message 500 3 {third_message} $MESSAGE_PORT"
$ns at 0.351 "$a(2) send_message 500 4 {fourth_message} $MESSAGE_PORT"
$ns at 0.45 "$a(0) send_message 500 13 {thirteenth_message} $MESSAGE_PORT"
$ns at 0.45 "$a(2) send_message 500 14 {fourteenth_message} $MESSAGE_PORT"
$ns at 0.55 "$a(0) send_message 500 15 {fifth_message} $MESSAGE_PORT"
$ns at 0.55 "$a(2) send_message 500 16 {sixth_message} $MESSAGE_PORT"
$ns at 0.75 "$a(0) send_message 500 21 {tenth_message} $MESSAGE_PORT"
$ns at 0.75 "$a(0) send_message 500 22 {eleventh_message} $MESSAGE_PORT"
for {set i 0} {$i < 3} {incr i} {
$ns initial_node_pos $node_($i) 30
$ns at 20.5 "$node_($i) reset";
}
$ns at 20.5 "finish"
$ns at 20.5 "puts \"NS EXITING...\"; $ns halt"
#INSERT ANNOTATIONS HERE
proc finish {} {
global ns f nf val
$ns flush-trace
close $f
close $nf
}
puts "Starting Simulation..."
$ns run
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