📄 worm.tcl
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# Copyright (c) 1995 The 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.## Test with 1000 nodes in the detailed network# Create simulation topology# DN==============AN# 1# \# -- 0 ======= 1001# /# 1000proc create-topo { num_node } { global ns n an_id verbose for {set i 0} {$i < $num_node} {incr i} { set n($i) [$ns node] } # setup links within detailed networks, use default routing for {set i 1} {$i < [expr $num_node - 1]} {incr i} { $ns duplex-link $n(0) $n($i) 25Mb 10ms DropTail # default routing [$n($i) entry] defaulttarget [[$ns link $n($i) $n(0)] head] if {$verbose} { puts "(0 $i) 25Mb 10ms DropTail" } } # setup link between DN and AN $ns duplex-link $n(0) $n($an_id) 100Mb 20ms DropTail [$n(0) entry] defaulttarget [[$ns link $n(0) $n($an_id)] head] if {$verbose} { puts "(0 $an_id) 100Mb 20ms DropTail" }}set ON 1set OFF 0# enable debugging by defaultset verbose ON# Initialize simulatorset ns [new Simulator]set num_node 502set an_id [expr $num_node - 1]create-topo $num_node# set up simulation scenarioset total_host 200000set probing_port [Application/Worm set ScanPort]# probing packet size# slammer worm UDP packets of 404 Bytesset p_size 404Application/Worm set ScanPacketSize $p_sizeAgent/MessagePassing set packetSize_ $p_size# Application/Worm set ScanRate 1# 1.config the detailed networkfor {set i 0} {$i < $num_node - 1} {incr i} { set a($i) [new Agent/MessagePassing] $n($i) attach $a($i) $probing_port set w($i) [new Application/Worm/Dnh] $w($i) attach-agent $a($i) $w($i) addr-range 0 [expr $num_node - 2]}# 2. set up abstract networkset a($an_id) [new Agent/MessagePassing]$n($an_id) attach $a($an_id) $probing_portset w($an_id) [new Application/Worm/An]$w($an_id) attach-agent $a($an_id)$w($an_id) addr-range $an_id $total_host$w($an_id) dn-range 0 [expr $num_node - 2]$w($an_id) v_percent 0.8# recv all packets coming inset p [$n($an_id) set dmux_]$p defaulttarget $a($an_id)[$n($an_id) entry] defaulttarget $p# now starts infection$ns at 1.0 "$w($an_id) start"proc finish {} { exit 0}$ns at 65.0 "finish"$ns run
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