Hi all i am implementing a new dart protocol for scalable adhoc and mesh
networks. While executing thos namain.tcl i got the error which is shown
below. Please help me my project titile is Dynamic Address Routing for adhoc
networks DART
# simulation.tcl <movement> <traffic> <protocol>
# A simple example for wireless simulation
# ======================================================================
# Define options
# ======================================================================
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(ifq) Queue/DropTail/PriQueue ;# interface que
if { [string compare [lindex $argv 2] "DSR"] == 0 } {
set val(ifq) CMUPriQueue;
}
set val(ll) LL ;# link layer type
set val(ant) Antenna/OmniAntenna ;# antenna model
set val(ifqlen) 50 ;# max packet in ifq
set val(rp) [lindex $argv 2] ;# routing
protocol
source m/[lindex $argv 0].ns_params
# ======================================================================
# Main Program
# ======================================================================
#
# Initialize Global Variables
#
set ns_ [new Simulator]
# gzipping inline improves performance
set half "| gzip > "
set dir "logs/"
set tracefd [open $half$dir[lindex $argv 0]/[lindex $argv 1]/[lindex
$argv 2].tr.gz w]
$ns_ trace-all $tracefd
#$ns_ namtrace-all-wireless $namtrace $val(x) $val(y)
# set up topography object
set topo [new Topography]
$topo load_flatgrid $val(x) $val(y)
#
# Create God
#
set god_ [create-god $val(nn)]
#
# Create the specified number of mobilenodes [$val(nn)] and "attach" them
# to the channel.
# Here two nodes are created : node(0) and node(1)
# configure node
$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) \
-channel [new $val(chan)] \
-topoInstance $topo \
-agentTrace ON \
-routerTrace ON \
-macTrace OFF \
-movementTrace OFF
for {set i 0} {$i < $val(nn) } {incr i} {
set node_($i) [$ns_ node]
$node_($i) random-motion 0 ;# disable random motion
$god_ new_node $node_($i)
}
source m/[lindex $argv 0].ns_movements
source t/[lindex $argv 1].traffic
#
# Tell nodes when the simulation ends
#
for {set i 0} {$i < $val(nn) } {incr i} {
$ns_ at 900.0 "$node_($i) reset";
}
$ns_ at 900.0 "stop"
#$ns_ nam-end-wireless 100.0
$ns_ at 900.0 "puts \"NS EXITING...\" ; $ns_ halt"
proc stop {} {
global ns_ tracefd
$ns_ flush-trace
close $tracefd
}
puts "Starting Simulation..."
$ns_ run
ns nsmain.tcl
couldn't read file "m/.ns_params": no such file or directory
while executing
"source.orig m/.ns_params"
("uplevel" body line 1)
invoked from within
"uplevel source.orig [list $fileName]"
invoked from within
"if [$instance_ is_http_url $fileName] {
set buffer [$instance_ read_url $fileName]
uplevel eval $buffer
} else {
uplevel source.orig [list $fileName]
..."
(procedure "source" line 8)
invoked from within
"source m/[lindex $argv 0].ns_params"
(file "nsmain.tcl" line 21)
