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Re: [ns] Question about wireless support in ns 2.1b7 / nam 1.0a9



Multicast code in ns does not work with ad hoc routing code; they are for
wired world only.

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
> 
>