zwireless1.tcl

直接通过命令行方便的模仿ad hoc的所有平面路由协议源码

# 采用了参数传递的形式，可以直接通过命令行方便的模仿ad hoc的所有平面路由协议 
if {$argc !=1} { 
        puts "Usage: ./ns zwireless1.tcl Routing_Protocol " 
        puts "Example:ns zwireless1.tcl AODV " 
        exit 
} 

set par1 [lindex $argv 0] 
# ======================================================================
# Define options
# ======================================================================

set val(chan)       Channel/WirelessChannel
set val(prop)       Propagation/TwoRayGround
set val(netif)      Phy/WirelessPhy
set val(mac)        Mac/802_11
if { $par1=="DSR"} { 
    set val(ifq)     CMUPriQueue 
    }
 else { 
set val(ifq)         Queue/DropTail/PriQueue    ;# interface queue type 
}
set val(ll)         LL
set val(ant)        Antenna/OmniAntenna
set val(x)              1000   ;# X dimension of the topography
set val(y)              1000   ;# Y dimension of the topography
set val(ifqlen)         50            ;# max packet in ifq
set val(seed)           1.0
set val(adhocRouting)   $par1
set val(nn)             100             ;# how many nodes are simulated
set val(cp)             "../ns-2.27/indep-utils/cmu-scen-gen/mycbr2" 
set val(sc)             "../ns-2.27/indep-utils/cmu-scen-gen/setdest/my2" 
set val(stop)           400.0           ;# simulation time

# =====================================================================
# Main Program
# ======================================================================

#
# Initialize Global Variables
#

# create simulator instance

set ns_        [new Simulator]

# create trace object for ns and nam

set tracefd        [open zwireless1_out.tr w]
set namtrace    [open zwireless1_out.nam w]
$ns_ use-newtrace
$ns_ trace-all $tracefd
$ns_ namtrace-all-wireless $namtrace $val(x) $val(y)

# setup topography object
set topo    [new Topography]

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

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

#

#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 \
                         -agentTrace ON \
                     -routerTrace OFF \
                     -macTrace OFF 

#
# 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 0        ;# disable random motion
}

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

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

#
# 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 $val(stop) "stop"
$ns_ at $val(stop).0002 "puts \"NS EXITING...\" ; $ns_ halt"

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)"

proc stop {} {
        global ns_ tracefd namtrace
        $ns_ flush-trace
        close $tracefd
        close $namtrace

}

puts "Starting Simulation..."
$ns_ run