[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [ns] Question about wireless support in ns 2.1b7 / nam 1.0a9
On Wed, 28 Jun 2000, Haobo Yu wrote:
> Multicast code in ns does not work with ad hoc routing code; they are for
> wired world only.
Thanks for the quick reply; is there any way I could disable ad hoc
routing in the wireless environment soas to get multicasting working with
only a base station and mobile wireless clients?
Thanks,
Peter
> On Wed, 28 Jun 2000 [email protected] wrote:
>
> > Date: Wed, 28 Jun 2000 03:11:34 -0700 (PDT)
> > From: [email protected]
> > To: [email protected]
> > Subject: [ns] Question about wireless support in ns 2.1b7 / nam 1.0a9
> >
> > [LinuxPPC 2.2.16 / 224MB RAM / gcc 2.95.2 / glibc 2.1.3-4b]
> >
> > I'm trying to merge the mcast.tcl and wireless2.tcl scripts to simulate a
> > multicast to a group of wireless machines, but keep having problems
> > creating the base station node (line 139) once I add the "-multicast on"
> > flag to the simulation creator. Here is the code:
> >
> > #
> > # Copyright (c) 1996 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 MASH Research
> > # Group at the University of California Berkeley.
> > # 4. Neither the name of the University nor of the Research Group 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: /usr/src/mash/repository/vint/ns-2/tcl/ex/mcast.tcl,v 1.12 1999/09/10 22:08:41 haoboy Exp $
> > # updated to use -multicast on and allocaddr by Lloyd Wood
> >
> > #
> > # Simple multicast test. It's easiest to verify the
> > # output with the animator.
> > # We create a four node start; start a CBR traffic generator in the center
> > # and then at node 3 and exercise the join/leave code.
> > #
> > # See tcl/ex/newmcast/mcast*.tcl for more mcast example scripts
> >
> > # ======================================================================
> > # Define options
> > # ======================================================================
> > set opt(chan) Channel/WirelessChannel ;# channel type
> > set opt(prop) Propagation/TwoRayGround ;# radio-propagation model
> > set opt(netif) Phy/WirelessPhy ;# network interface type
> > set opt(mac) Mac/802_11 ;# MAC type
> > set opt(ifq) Queue/DropTail/PriQueue ;# interface queue type
> > set opt(ll) LL ;# link layer type
> > set opt(ant) Antenna/OmniAntenna ;# antenna model
> > set opt(ifqlen) 50 ;# max packet in ifq
> > set opt(nn) 15 ;# number of mobilenodes
> > set opt(adhocRouting) DSDV ;# routing protocol
> >
> > set opt(cp) "" ;# connection pattern file
> > set opt(sc) "scen" ;# node movement file.
> >
> > set opt(x) 2000 ;# x coordinate of topology
> > set opt(y) 2000 ;# y coordinate of topology
> > set opt(seed) 0.0 ;# seed for random number gen.
> > set opt(stop) 500 ;# time to stop simulation
> >
> > set opt(ftp1-start) 160.0
> > set opt(ftp2-start) 170.0
> > set opt(udp-start) 0
> >
> > set num_wired_nodes 2
> > set num_bs_nodes 1
> >
> > # ============================================================================
> > # check for boundary parameters and random seed
> > if { $opt(x) == 0 || $opt(y) == 0 } {
> > puts "No X-Y boundary values given for wireless topology\n"
> > }
> > if {$opt(seed) > 0} {
> > puts "Seeding Random number generator with $opt(seed)\n"
> > ns-random $opt(seed)
> > }
> >
> >
> > set ns [new Simulator -multicast on]
> >
> > $ns node-config -addressType hierarchical
> > AddrParams set domain_num_ 2 ;# number of domains
> > lappend cluster_num 2 1 ;# number of clusters in each domain
> > AddrParams set cluster_num_ $cluster_num
> > lappend eilastlevel 1 1 [expr $opt(nn) + 1] ;# number of nodes in each cluster
> > AddrParams set nodes_num_ $eilastlevel ;# of each domain
> >
> > set tracefd [open out.tr w]
> > set namtrace [open out.nam w]
> > $ns trace-all $tracefd
> > $ns namtrace-all-wireless $namtrace $opt(x) $opt(y)
> >
> > # Create topography object
> > set topo [new Topography]
> >
> > # define topology
> > $topo load_flatgrid $opt(x) $opt(y)
> >
> > # create God
> > create-god $opt(nn)
> > set god_ [God instance]
> >
> > #create wired nodes
> > set temp {0.0.0 0.1.0} ;# hierarchical addresses for wired domain
> > for {set i 0} {$i < $num_wired_nodes} {incr i} {
> > set W($i) [$ns node [lindex $temp $i]]
> > }
> >
> > # configure for base-station node
> >
> > $ns node-config -adhocRouting $opt(adhocRouting) \
> > -llType $opt(ll) \
> > -macType $opt(mac) \
> > -ifqType $opt(ifq) \
> > -ifqLen $opt(ifqlen) \
> > -antType $opt(ant) \
> > -propType $opt(prop) \
> > -phyType $opt(netif) \
> > -channelType $opt(chan) \
> > -topoInstance $topo \
> > -wiredRouting ON \
> > -agentTrace ON \
> > -routerTrace OFF \
> > -macTrace OFF
> >
> > $ns color 1 red
> > # prune/graft packets
> > $ns color 30 purple
> > $ns color 31 bisque
> >
> > set temp {1.0.0 1.0.1 1.0.2 1.0.3 1.0.4 1.0.5 1.0.6 1.0.7 1.0.8 1.0.9 1.0.10 1.0.11 1.0.12 1.0.13 1.0.14 1.0.15 1.0.16 1.0.17 1.0.18 1.0.19 1.0.20}
> > ;# hier address to be used for wireless
> > ;# domain
> > set BS(0) [$ns node [lindex $temp 0]]
> > $BS(0) random-motion 0 ;# disable random motion
> >
> > #provide some co-ord (fixed) to base station node
> > $BS(0) set X_ 1.0
> > $BS(0) set Y_ 2.0
> > $BS(0) set Z_ 0.0
> >
> > #configure for mobilenodes
> > $ns node-config -wiredRouting OFF
> >
> > for {set j 0} {$j < $opt(nn)} {incr j} {
> > set node_($j) [ $ns node [lindex $temp \
> > [expr $j+1]] ]
> > $node_($j) base-station [AddrParams set-hieraddr \
> > [$BS(0) node-addr]]
> > }
> >
> >
> > $ns duplex-link $W(0) $W(1) 5Mb 2ms DropTail
> > $ns duplex-link $W(1) $BS(0) 5Mb 2ms DropTail
> >
> > $ns duplex-link-op $W(0) $W(1) orient down
> > $ns duplex-link-op $W(1) $BS(0) orient left-down
> >
> > set mproto DM
> > set mrthandle [$ns mrtproto $mproto {}]
> > set group0 [Node allocaddr]
> >
> > set udp0 [new Agent/UDP]
> > $ns attach-agent $node_(1) $udp0
> > $udp0 set dst_addr_ $group0
> > $udp0 set dst_port_ 0
> > set cbr0 [new Application/Traffic/CBR]
> > $cbr0 attach-agent $udp0
> >
> >
> > set rcvr [new Agent/LossMonitor]
> >
> > for {set j 0} {$j < $opt(nn)} {incr j} {
> > $ns attach-agent $node_($j) $rcvr
> > $ns at 1.2 "$node_($j) join-group $rcvr $group0"
> > }
> >
> > $ns at 1.0 "$cbr0 start"
> >
> > $ns at $opt(stop).0002 "puts \"NS EXITING...\" ; $ns halt"
> > $ns at $opt(stop).0001 "finish"
> >
> > proc finish {} {
> > global ns
> > $ns flush-trace
> >
> > puts "running nam..."
> > exec nam out.nam &
> > exit 0
> > }
> >
> > $ns run
> >
> >
>
>
--
Peter F. Handel "[The anti-Christ] also forced everyone, small and
[email protected] great ... to receive a mark [smart card?] on his
www.cise.ufl.edu/~phandel right hand or on his forehead, so that no one could
FAX: (561) 619-8051 buy or sell unless he had the mark"-Revelation13:16