Tuesday, 8 January 2013


ns-simple.tcl

Otcl coding

 

 

 

# Add a member function call”greet”
Class Teacher
Teacher instproc init {subject} {
$self instvar subject_
set subject_ $subject
}


# Creating a child class of teacher and student
Teacher instproc greet {} {
$self instvar subject_
puts "$subject_ teacher ask
which subject u studied?"
}


#creating a teacher and student object
Class student -superclass Teacher
student instproc greet {} {
$self instvar subject_
puts "$subject_ say
i studied maths"
}


# calling member function “greet” of each node
set a [new Teacher maths]
set b [new student Jey]
$a greet
$b greet

Tcl script to generate graph taking more than two parameter files as output 

 

 

 

# Creating simulation
set ns  [new Simulator]
#Creating nam and trace file
set tracefd       [open Graph3.tr w]
set namtrace      [open Graph3.nam 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)
set god_ [create-god $val(nn)]

# configure the nodes
        $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 OFF \
                   -movementTrace ON
                 
# Creating node objects..          
for {set i 0} {$i < $val(nn) } { incr i } {
            set node_($i) [$ns node]     
      }
      for {set i 0} {$i < $val(nn)  } {incr i } {
            $node_($i) color black
            $ns at 0.0 "$node_($i) color black"
      }
# Provide initial location of mobilenodes
$node_(0) set X_ 50.0
$node_(0) set Y_ 50.0
$node_(0) set Z_ 0.0
$node_(1) set X_ 200.0
$node_(1) set Y_ 250.0
$node_(1) set Z_ 0.0
$node_(2) set X_ 300.0
$node_(2) set Y_ 300.0
$node_(2) set Z_ 0.0
# Define node initial position in nam
for {set i 0} {$i < $val(nn)} { incr i } {
# 30 defines the node size for nam
$ns initial_node_pos $node_($i) 30
}
# Telling nodes when the simulation ends
for {set i 0} {$i < $val(nn) } { incr i } {
    $ns at $val(stop) "$node_($i) reset";
}
# ending nam and the simulation
$ns at $val(stop) "$ns nam-end-wireless $val(stop)"
$ns at $val(stop) "stop"
$ns at 10.01 "puts \"end simulation\" ; $ns halt"
#Graph procedure..
$ns at 1.0 "Graph"
set g [open graph.tr w]
set g1 [open graph1.tr w]
set g2 [open graph2.tr w]
proc Graph {} {
global ns g g1
set time 1.0
set now [$ns now]
puts $g "[expr rand()*8] [expr rand()*6]"
puts $g1 "[expr rand()*8] [expr rand()*6]"
puts $g2 "[expr rand()*8] [expr rand()*6]"
$ns at [expr $now+$time] "Graph"
}
#Stop proceture
proc stop {} {
    global ns tracefd namtrace
    $ns flush-trace
    close $tracefd
    close $namtrace
exec xgraph -M -bb -geometry 700X800 graph.tr graph1.tr graph2.tr &
exec nam Graph3.nam &
exit 0
}
$ns run

Tcl script to generate graph taking two parameter files as output

 

set tracefd       [open Graph2.tr w]
set namtrace      [open Graph2.nam 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)
set god_ [create-god $val(nn)]
# configure the nodes
        $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 OFF \
                   -movementTrace ON
                 
## Creating node objects..         
for {set i 0} {$i < $val(nn) } { incr i } {
            set node_($i) [$ns node]     
      }
      for {set i 0} {$i < $val(nn)  } {incr i } {
            $node_($i) color black
            $ns at 0.0 "$node_($i) color black"
      }
# Provide initial location of mobilenodes
$node_(0) set X_ 50.0
$node_(0) set Y_ 50.0
$node_(0) set Z_ 0.0
$node_(1) set X_ 200.0
$node_(1) set Y_ 250.0
$node_(1) set Z_ 0.0
$node_(2) set X_ 300.0
$node_(2) set Y_ 300.0
$node_(2) set Z_ 0.0
# Define node initial position in nam
for {set i 0} {$i < $val(nn)} { incr i } {
# 30 defines the node size for nam
$ns initial_node_pos $node_($i) 30
}
# Telling nodes when the simulation ends
for {set i 0} {$i < $val(nn) } { incr i } {
    $ns at $val(stop) "$node_($i) reset";
}
# ending nam and the simulation
$ns at $val(stop) "$ns nam-end-wireless $val(stop)"
$ns at $val(stop) "stop"
$ns at 10.01 "puts \"end simulation\" ; $ns halt"
#Graph procedure..
#procedure..
$ns at 1.0 "Graph"
set g [open graph.tr w]
set g1 [open graph1.tr w]
proc Graph {} {
global ns g g1
set time 1.0
set now [$ns now]
puts $g "[expr rand()*8] [expr rand()*6]"
puts $g1 "[expr rand()*8] [expr rand()*6]"
$ns at [expr $now+$time] "Graph"
}
#stop procedure:
proc stop {} {
    global ns tracefd namtrace
    $ns flush-trace
    close $tracefd
    close $namtrace
exec xgraph -P -bb -geometry 700X800 graph.tr graph1.tr &
exec nam Graph2.nam &
exit 0
}
$ns run

Tcl script to generate graph taking two parameter files as output

 

set tracefd       [open Graph2.tr w]
set namtrace      [open Graph2.nam 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)
set god_ [create-god $val(nn)]
# configure the nodes
        $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 OFF \
                   -movementTrace ON
                 
## Creating node objects..         
for {set i 0} {$i < $val(nn) } { incr i } {
            set node_($i) [$ns node]     
      }
      for {set i 0} {$i < $val(nn)  } {incr i } {
            $node_($i) color black
            $ns at 0.0 "$node_($i) color black"
      }
# Provide initial location of mobilenodes
$node_(0) set X_ 50.0
$node_(0) set Y_ 50.0
$node_(0) set Z_ 0.0
$node_(1) set X_ 200.0
$node_(1) set Y_ 250.0
$node_(1) set Z_ 0.0
$node_(2) set X_ 300.0
$node_(2) set Y_ 300.0
$node_(2) set Z_ 0.0
# Define node initial position in nam
for {set i 0} {$i < $val(nn)} { incr i } {
# 30 defines the node size for nam
$ns initial_node_pos $node_($i) 30
}
# Telling nodes when the simulation ends
for {set i 0} {$i < $val(nn) } { incr i } {
    $ns at $val(stop) "$node_($i) reset";
}
# ending nam and the simulation
$ns at $val(stop) "$ns nam-end-wireless $val(stop)"
$ns at $val(stop) "stop"
$ns at 10.01 "puts \"end simulation\" ; $ns halt"
#Graph procedure..
#procedure..
$ns at 1.0 "Graph"
set g [open graph.tr w]
set g1 [open graph1.tr w]
proc Graph {} {
global ns g g1
set time 1.0
set now [$ns now]
puts $g "[expr rand()*8] [expr rand()*6]"
puts $g1 "[expr rand()*8] [expr rand()*6]"
$ns at [expr $now+$time] "Graph"
}
#stop procedure:
proc stop {} {
    global ns tracefd namtrace
    $ns flush-trace
    close $tracefd
    close $namtrace
exec xgraph -P -bb -geometry 700X800 graph.tr graph1.tr &
exec nam Graph2.nam &
exit 0
}
$ns run



 

 

 

 

 

 

 

 

 

 

 

Tcl script to draw the graph

 

set tracefd       [open Graph1.tr w]
set namtrace      [open Graph1.nam 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)
set god_ [create-god $val(nn)]
# configure the nodes
        $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 OFF \
                   -movementTrace ON
                 
## Creating node objects..         
for {set i 0} {$i < $val(nn) } { incr i } {
            set node_($i) [$ns node]     
      }
      for {set i 0} {$i < $val(nn)  } {incr i } {
            $node_($i) color black
            $ns at 0.0 "$node_($i) color black"
      }
# Provide initial location of mobilenodes
$node_(0) set X_ 50.0
$node_(0) set Y_ 50.0
$node_(0) set Z_ 0.0
$node_(1) set X_ 200.0
$node_(1) set Y_ 250.0
$node_(1) set Z_ 0.0
$node_(2) set X_ 300.0
$node_(2) set Y_ 300.0
$node_(2) set Z_ 0.0
# Define node initial position in nam
for {set i 0} {$i < $val(nn)} { incr i } {
# 30 defines the node size for nam
$ns initial_node_pos $node_($i) 30
}
# Telling nodes when the simulation ends
for {set i 0} {$i < $val(nn) } { incr i } {
    $ns at $val(stop) "$node_($i) reset";
}
# ending nam and the simulation
$ns at $val(stop) "$ns nam-end-wireless $val(stop)"
$ns at $val(stop) "stop"
$ns at 10.01 "puts \"end simulation\" ; $ns halt"
#Graph procedure..
$ns at 1.0 "Graph"
set g [open graph.tr w]
proc Graph {} {
global ns g
set time 1.0
set now [$ns now]
puts $g "[expr rand()*8] [expr rand()*6]"
$ns at [expr $now+$time] "Graph"
}
#Stop proceture
proc stop {} {
    global ns tracefd namtrace
    $ns flush-trace
    close $tracefd
    close $namtrace
exec xgraph -M -bb -geometry 700X800 graph.tr &
exec nam Graph1.nam &
exit 0
}
$ns run


 

 

 

 

 

 

 

 

 

 

 

 

To set nodes initial and destination position randomly in TCL Script

 

 

# 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)                8                                                       ;# number of mobilenodes
set val(rp)               AODV                                               ;# routing protocol
set val(x)                500                                                     ;# X dimension of topography
set val(y)                400                                                     ;# Y dimension of topography 
set val(stop)           10                                                       ;# time of simulation end
#Creating simulation:
set ns              [new Simulator]
#Creating nam and trace file:
set tracefd       [open wireless3.tr w]
set namtrace      [open wireless3.nam 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)
set god_ [create-god $val(nn)]
# configure the nodes
        $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 OFF \
                   -movementTrace ON
                 
## Creating node objects..         
for {set i 0} {$i < 3 } { incr i } {
            set node_($i) [$ns node]     
      }
      for {set i 0} {$i < 3  } {incr i } {
            $node_($i) color blue
            $ns at 0.0 "$node_($i) color blue"
      }
for {set i 3} {$i < 6 } { incr i } {
            set node_($i) [$ns node]     
      }
      for {set i 3} {$i < 6  } {incr i } {
            $node_($i) color cyan
            $ns at 1.0 "$node_($i) color cyan"
      }
for {set i 6} {$i < 8 } { incr i } {
            set node_($i) [$ns node]     
      }
      for {set i 5} {$i < 8  } {incr i } {
            $node_($i) color red
            $ns at 2.0 "$node_($i) color red"
      }
## Provide initial location of mobilenodes..
            for {set i 0} {$i < $val(nn) } { incr i } {
                  set xx [expr rand()*500]
                  set yy [expr rand()*400]
                  $node_($i) set X_ $xx
                  $node_($i) set Y_ $yy
                 
            }
# Define node initial position in nam
for {set i 0} {$i < $val(nn)} { incr i } {
# 30 defines the node size for nam
$ns initial_node_pos $node_($i) 30
}
# Telling nodes when the simulation ends
for {set i 0} {$i < $val(nn) } { incr i } {
    $ns at $val(stop) "$node_($i) reset";
}
# dynamic destination setting procedure..
$ns at 0.0 "destination"
proc destination {} {
      global ns val node_
      set time 1.0
      set now [$ns now]
      for {set i 0} {$i<$val(nn)} {incr i} {
            set xx [expr rand()*500]
            set yy [expr rand()*400]
            $ns at $now "$node_($i) setdest $xx $yy 10.0"
      }
      $ns at [expr $now+$time] "destination"
}
#stop procedure..
$ns at $val(stop) "stop"
proc stop {} {
    global ns tracefd namtrace
    $ns flush-trace
    close $tracefd
    close $namtrace
exec nam wireless3.nam &
}
$ns run