sht.tcl
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上传日期:2015-12-11
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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 sht-temp.tr w]
- $ns trace-all $f
- $ns eventtrace-all
- set nf [open sht-temp.nam w]
- $ns namtrace-all-wireless $nf 700 200
- # set up topography object
- set topo [new Topography]
- $topo load_flatgrid 700 200
- $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_ 60.0
- $node_(2) set Y_ 30.0
- $node_(2) set Z_ 0.0
- $ns at 0.25 "$node_(2) setdest 500.0 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_idn"
- 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} $MESSAGE_PORT"
- for {set i 0} {$i < 3} {incr i} {
- $ns initial_node_pos $node_($i) 30
- $ns at 4.0 "$node_($i) reset";
- }
- $ns at 4.0 "finish"
- $ns at 4.1 "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