pim1.tcl

CBRP协议（移动adhoc中基于分簇的路由协议）ns2下的源码

 #
 # tcl/ex/newmcast/pim1.tcl
 #
 # Copyright (C) 1997 by USC/ISI
 # All rights reserved.                                            
 #                                                                
 # Redistribution and use in source and binary forms are permitted
 # provided that the above copyright notice and this paragraph are
 # duplicated in all such forms and that any documentation, advertising
 # materials, and other materials related to such distribution and use
 # acknowledge that the software was developed by the University of
 # Southern California, Information Sciences Institute.  The name of the
 # University may not be used to endorse or promote products derived from
 # this software without specific prior written permission.
 # 
 # THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
 # WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 # 
 # Ported by Polly Huang (USC/ISI), http://www-scf.usc.edu/~bhuang
 # 
 #
## joining & pruning test(s)
#          |3|
#           |
#  |0|-----|1|
#           |
#          |2|

# currently broken.

set ns [new Simulator]
Simulator set EnableMcast_ 1

set n0 [$ns node]
set n1 [$ns node]
set n2 [$ns node]
set n3 [$ns node]

#$ns color 2 black
#$ns color 112 red
#$ns color 106 green
#$ns color 104 blue
#$ns color 1 DarkGreen

set f [open out-pim1.tr w]
$ns trace-all $f

Simulator set NumberInterfaces_ 1
$ns duplex-link $n0 $n1 1.5Mb 10ms DropTail
$ns duplex-link $n1 $n2 1.5Mb 10ms DropTail
$ns duplex-link $n1 $n3 1.5Mb 10ms DropTail

#$ns duplex-link-op $n0 $n1 orient right
#$ns duplex-link-op $n1 $n2 orient right-up
#$ns duplex-link-op $n1 $n3 orient right-down

#$ns duplex-link-op $n0 $n1 queuePos 0.5
#$ns duplex-link-op $n1 $n0 queuePos 0.5
#$ns duplex-link-op $n3 $n1 queuePos 0.5

set pim0 [new PIM $ns $n0 [list 1 1 0]]
set pim1 [new PIM $ns $n1 [list 0 1 0]]
set pim2 [new PIM $ns $n2 [list 1]]
set pim3 [new PIM $ns $n3 [list 0 1 0]]

PIM config $ns
puts "config done.. "

Agent/Message instproc handle msg {
	global ns
        $self instvar node_
    puts "@@ time [$ns now] node [$node_ id] agent $self rxvd msg $msg. @@" 
}

set rcvr0 [new Agent/Message]
$ns attach-agent $n0 $rcvr0
set rcvr1 [new Agent/Message]
$ns attach-agent $n1 $rcvr1
set rcvr2  [new Agent/Message]
$ns attach-agent $n2 $rcvr2
set rcvr3 [new Agent/Message]
$ns attach-agent $n3 $rcvr3

set sender0 [new Agent/CBR]
$sender0 set dst_ 0x8003
$sender0 set class_ 2
$ns attach-agent $n0 $sender0

$ns at 241 "$sender0 start"
$ns at 241.95 "$n0 join-group $rcvr0 0x8003"
$ns at 242.05 "$n1 join-group $rcvr1 0x8003"
$ns at 242.15 "$n3 join-group $rcvr3 0x8003"

#$ns at 242.0 "$sender0 send \"pkt1\""
#$ns at 242.1 "$sender0 send \"pkt2\""
#$ns at 242.12 "$sender0 send \"pkt2\""
#$ns at 242.14 "$sender0 send \"pkt2\""
#$ns at 242.2 "$sender0 send \"pkt3\""
#$ns at 242.3 "$sender0 send \"pkt4\""
#$ns at 242.4 "$sender0 send \"pkt5\""
#$ns at 242.5 "$sender0 send \"pkt6\""

$ns at 243 "finish"

$ns at 0.0 "$ns run-mcast"

proc finish {} {
        global ns
        $ns flush-trace
        #XXX
        puts "running nam..."
        exec nam out-pim1 &
        exit 0
}

$ns run