the code is shown below...........
puts "***************************** *******"
puts "The Program Shows the Operation "
puts "The Specfications of the Program are
X-Maximum->200 & Y-Maximum->200(Grid Size)
Number of Nodes are:50
Pause Time : 2s
Max speed :10m/s
Simulation Time:100s
Packet Size : 1024 bytes
Transfer Rate : 4 pkts/s
Output Trace File:project1.tr
Output Nam File:project1.nam"
# ======================================================================
# 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 queue type
set val(ll) LL ;# link layer type
set val(ant) Antenna/OmniAntenna ;# antenna model
set val(ifqlen) 50 ;# max packet in ifq
set val(nn) 50 ;# number of mobilenodes
set val(rp) TORA ;# routing protocol
# ======================================================================
set AgentTrace ON
set RouterTrace ON
set MacTrace OFF
LL set mindelay_ 50us
LL set delay_ 25us
LL set bandwidth_ 0 ;# not used
Agent/Null set sport_ 0
Agent/Null set dport_ 0
Agent/CBR set sport_ 0
Agent/CBR set dport_ 0
Agent/TCPSink set sport_ 0
Agent/TCPSink set dport_ 0
Agent/TCP set sport_ 0
Agent/TCP set dport_ 0
Agent/TCP set packetSize_ 1460
Queue/DropTail/PriQueue set Prefer_Routing_Protocols 1
# unity gain, omni-directional antennas
# set up the antennas to be centered in the node and 1.5 meters above it
Antenna/OmniAntenna set X_ 0
Antenna/OmniAntenna set Y_ 0
Antenna/OmniAntenna set Z_ 1.5
Antenna/OmniAntenna set Gt_ 1.0
Antenna/OmniAntenna set Gr_ 1.0
# Initialize the SharedMedia interface with parameters to make
# it work like the 914MHz Lucent WaveLAN DSSS radio interface
Phy/WirelessPhy set CPThresh_ 10.0
Phy/WirelessPhy set CSThresh_ 1.559e-11
Phy/WirelessPhy set RXThresh_ 9.8214e-09
Phy/WirelessPhy set Rb_ 2*1e6
Phy/WirelessPhy set Pt_ 0.036
Phy/WirelessPhy set freq_ 914e+6
Phy/WirelessPhy set L_ 1.0
# =====================================================================
# ======================================================================
# Main Program
# ======================================================================
#
# Initialize Global Variables
#
set ns_ [new Simulator]
set tracefd [open project1.tr w]
$ns_ trace-all $tracefd
set namfd [open project1.nam w]
$ns_ namtrace-all-wireless $namfd 200 200
# set up topography object
set topo [new Topography]
$topo load_flatgrid 200 200
#
# Create God
#
set god_ [create-god $val(nn)]
#
#Create Channel
#
set chan_1_ [new $val(chan)]
#
# Create the specified number of mobilenodes [$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) \
#-channelType $val(chan) \
-topoInstance $topo \
-agentTrace ON \
-routerTrace ON \
-macTrace ON \
-movementTrace ON \
-channel $chan_1_\
-energyModel EnergyModel \
-initialEnergy 1.5 \
-txPower 0.036 \
-rxPower 0.009
for {set i 0} {$i < $val(nn) } {incr i} {
set node_($i) [$ns_ node]
$node_($i) random-motion 0 ;# disable random motion
}
source scen-50-2-10-100-200-200
set udp [new Agent/UDP]
set sink [new Agent/Null]
$ns_ attach-agent $node_(0) $udp
$ns_ attach-agent $node_(18) $sink
$ns_ connect $udp $sink
set cbr [new Application/Traffic/CBR]
$cbr attach-agent $udp
$cbr set packetSize_ 1024
$cbr set rate_ 0.032768Mb
$cbr set random_ false
$ns_ at 1.0 "$cbr start"
for {set i 0} {$i < $val(nn)} {incr i} {
# 20 defines the node size in nam, must adjust it according to your
scenario
# The function must be called after mobility model is defined
$ns_ initial_node_pos $node_($i) 10
}
#
# Tell nodes when the simulation ends
#
for {set i 0} {$i < $val(nn) } {incr i} {
$ns_ at 100.0 "$node_($i) reset";
}
$ns_ at 99.5 "$cbr stop"
$ns_ at 100.0 "stop"
$ns_ at 100.001 "puts \"NS EXITING...\" ; $ns_ halt"
proc stop {} {
global ns_ tracefd namfd
$ns_ flush-trace
close $tracefd
close $namfd
}
puts "Starting Simulation..."
$ns_ run
when i run the above tcl with sceario file as scen-50-2-10-100-200-200
it list me the following error as
The Program Shows the Operation
The Specfications of the Program are
X-Maximum->200 & Y-Maximum->200(Grid Size)
Number of Nodes are:50
Pause Time : 2s
Max speed :10m/s
Simulation Time:100s
Packet Size : 1024 bytes
Transfer Rate : 4 pkts/s
Output Trace File:project1.tr
Output Nam File:project1.nam
num_nodes is set 50
INITIALIZE THE LIST xListHead
(_o17 cmd line 1)
invoked from within
"_o17 cmd port-dmux _o32"
invoked from within
"catch "$self cmd $args" ret"
invoked from within
"if [catch "$self cmd $args" ret] {
set cls [$self info class]
global errorInfo
set savedInfo $errorInfo
error "error when calling class $cls: $args" $..."
(procedure "_o17" line 2)
(SplitObject unknown line 2)
invoked from within
"$agent port-dmux $dmux_"
(procedure "_o14" line 11)
(Node/MobileNode add-target-rtagent line 11)
invoked from within
"$self add-target-rtagent $agent $port"
(procedure "_o14" line 23)
(Node/MobileNode add-target line 23)
invoked from within
"$self add-target $agent $port"
(procedure "_o14" line 15)
(Node attach line 15)
invoked from within
"$node attach $ragent [Node set rtagent_port_]"
(procedure "_o3" line 72)
(Simulator create-wireless-node line 72)
invoked from within
"_o3 create-wireless-node"
("eval" body line 1)
invoked from within
"eval $self create-wireless-node $args"
(procedure "_o3" line 23)
(Simulator node line 23)
invoked from within
"$ns_ node"
("for" body line 2)
invoked from within
"for {set i 0} {$i < $val(nn) } {incr i} {
set node_($i) [$ns_ node]
$node_($i) random-motion 0 ;# disable random
motion }"
(file "project1.tcl" line 128)
--
Regards,
dhayanithi.
