exp

MANET DSR protocol TCl

#
#in this program i want to build a topology, in that condition,cbr1 start before cbr0, and cbr1's #bw add to cbr0's is bigger than the wireless channel's bandw. so ,the cbr0 should recover another #path when it start for a time.
#

set tcpthroughputxg0 [open tcpthroughput0.xg w]
set tcpthroughputxg1 [open tcpthroughput1.xg w]
set tcpthroughputxg2 [open tcpthroughput2.xg w]

set tcpbdeparturespre0 0
set tcpbdeparturespre1 0
set tcpbdeparturespre2 0

set interval 1.5

# ======================================================================
# Define options
# ======================================================================


set val(chan)       Channel/WirelessChannel
set val(prop)       Propagation/TwoRayGround
set val(netif)      Phy/WirelessPhy
set val(mac)        Mac/802_11
set val(ifq)        Queue/DropTail/PriQueue
set val(ll)         LL
set val(ant)        Antenna/OmniAntenna
set val(x)              1000   ;#it is 800 before
set val(y)              1000  ;# Y dimension of the topography  it is 670 before
set val(ifqlen)         50            ;# max packet in ifq
set val(seed)           0.0
set val(adhocRouting)   DSR
set val(nn)             11          ;# how many nodes are simulated(it is 8 before)
set val(cp)             "./cbr-3-test-6"
set val(sc)             "./scen-3-test-6.tcl"
set record 		"./record-cbr-20.tcl"
set val(stop)           50      ;# simulation time(it is 40 before)

#puts [Phy/WirelessPhy set bandwidth_ 600000000]  ;#( it is 2e6 before)
# =====================================================================
# Main Program
# ======================================================================

#
# Initialize Global Variables
#

# create simulator instance

set ns_ [new Simulator]

# setup topography object

set topo [new Topography]

# create trace object for ns and nam

#$ns_ use-newtrace

set tracefd [open exp-out.tr w]
set namtrace    [open exp-out.nam w]


$ns_ trace-all $tracefd
$ns_ namtrace-all-wireless $namtrace $val(x) $val(y)tracefd

# define topology
$topo load_flatgrid $val(x) $val(y)

#
# Create God
#
set god_ [create-god $val(nn)]

#
# define how node should be created
#

#global node setting

set chan_ [new $val(chan)]

$ns_ node-config -adhocRouting $val(adhocRouting) \
                 -llType $val(ll) \
                 -macType $val(mac) \
                 -ifqType $val(ifq) \
                 -ifqLen $val(ifqlen) \
                 -antType $val(ant) \
                 -propType $val(prop) \
                 -phyType $val(netif) \
                 -channel $chan_ \
		 -topoInstance $topo \
                -agentTrance ON \
                -routerTrace ON \
                -macTrace ON
                 
#
#  Create the specified number of nodes [$val(nn)] and "attach" them
#  to the channel.

for {set i 0} {$i < $val(nn) } {incr i} {
set node_($i) [$ns_ node]
$node_($i) random-motion 1;# disable random motion it is 0 before
}


# 
# Define node movement model
#
puts "Loading connection pattern..."
source $val(cp)

# 
# Define traffic model
#
puts "Loading scenario file..."
source $val(sc)

source $record

# Define node initial position in nam

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) 20
#    $node_($i) radius 700
}


#
# Tell nodes when the simulation ends
#
for {set i 0} {$i < $val(nn) } {incr i} {
    $ns_ at $val(stop).0 "$node_($i) reset";
}

$ns_ at 0.1 "record0"
$ns_ at 0.1 "record1"
$ns_ at 0.1 "record2"


$ns_ at $val(stop) "put_throughput"

$ns_ at  $val(stop).0002 "puts \"NS EXITING...\" ; $ns_ halt"
#$ns_ at  $val(stop).0001 "exec nam wireless1-out.nam ; exit 1"

puts $tracefd "M 0.0 nn $val(nn) x $val(x) y $val(y) rp $val(adhocRouting)"
puts $tracefd "M 0.0 sc $val(sc) cp $val(cp) seed $val(seed)"
puts $tracefd "M 0.0 prop $val(prop) ant $val(ant)"
#exec xgraph out0.tr out1.tr out2.tr -geometry 800*400 &
#exit 0

#debug 1
puts "Starting Simulation..."
$ns_ run