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source asym/util.tcl
set ns [new Simulator]
$ns color 0 blue
$ns color 1 red
$ns color 2 white
set n0 [$ns node]
set n1 [$ns node]
set n2 [$ns node]
set n3 [$ns node]
puts n0=[$n0 id]
puts n1=[$n1 id]
puts n2=[$n2 id]
puts n3=[$n3 id]
set f [open out.tr w]
$ns trace-all $f
set nf [open out.nam w]
$ns namtrace-all $nf
Queue set limit_ 5
#$ns duplex-link $n0 $n1 1.5Mb 10ms DropTail
$ns duplex-link $n0 $n2 10Mb 2ms DropTail
$ns duplex-link $n1 $n2 10Mb 2ms DropTail
$ns duplex-link $n2 $n3 1.5Mb 10ms DropTail
$ns duplex-link-op $n0 $n2 orient right-up
$ns duplex-link-op $n1 $n2 orient right-down
$ns duplex-link-op $n2 $n3 orient right
$ns duplex-link-op $n2 $n3 queuePos 0.5
set udp0 [new Agent/UDP]
$ns attach-agent $n0 $udp0
set cbr0 [new Application/Traffic/CBR]
$cbr0 attach-agent $udp0
set udp1 [new Agent/UDP]
$ns attach-agent $n3 $udp1
$udp1 set class_ 1
set cbr1 [new Application/Traffic/CBR]
$cbr1 attach-agent $udp1
set null0 [new Agent/Null]
$ns attach-agent $n3 $null0
set null1 [new Agent/Null]
$ns attach-agent $n1 $null1
$ns connect $udp0 $null0
$ns connect $udp1 $null1
$ns at 0.0 "$cbr0 start"
$ns at 0.1 "$cbr1 start"
for {set i 0} {$i < 2} {incr i} {
set tcp($i) [new Agent/TCP/Int]
# set tcp($i) [new Agent/TCP]
$tcp($i) set cls [expr $i+1]
$tcp($i) set rightEdge 0
$tcp($i) set shift_ 8
$tcp($i) set mask_ 0x000000ff
$tcp($i) set uniqTS_ 1
$tcp($i) set winMult_ 0.5
$tcp($i) set winInc_ 1
set sink [new Agent/TCPSink]
$ns attach-agent $n0 $tcp($i)
$ns attach-agent $n3 $sink
$ns connect $tcp($i) $sink
set ftp($i) [new Application/FTP]
$ftp($i) attach-agent $tcp($i)
$ns at 0.$i "$ftp($i) start"
}
for {set i 2} {$i < 4} {incr i} {
set tcp($i) [new Agent/TCP/Int]
# set tcp($i) [new Agent/TCP]
$tcp($i) set cls [expr $i+1]
$tcp($i) set rightEdge 0
$tcp($i) set shift_ 8
$tcp($i) set mask_ 0xffffffff
$tcp($i) set uniqTS_ 1
$tcp($i) set winMult_ 0.5
$tcp($i) set winInc_ 1
set sink [new Agent/TCPSink]
$ns attach-agent $n0 $tcp($i)
$ns attach-agent $n2 $sink
$ns connect $tcp($i) $sink
set ftp($i) [new Application/FTP]
$ftp($i) attach-agent $tcp($i)
$ns at 0.$i "$ftp($i) start"
}
#puts [$cbr0 set packetSize_]
#puts [$cbr0 set interval_]
$ns at 5.0 "finish"
proc finish {} {
puts "running nam..."
exec nam out.nam &
puts "done"
exit 0
}
$ns run
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