test-suite-rfc793edu.tcl

跑leach需要的

source misc_simple.tcl
Agent/TCP set tcpTick_ 0.1
# The default for tcpTick_ is being changed to reflect a changing reality.
Agent/TCP set rfc2988_ false
# The default for rfc2988_ is being changed to true.
# FOR UPDATING GLOBAL DEFAULTS:
Agent/TCP set useHeaders_ false
# The default is being changed to useHeaders_ true.
Agent/TCP set windowInit_ 1
# The default is being changed to 2.
Agent/TCP set singledup_ 0
# The default is being changed to 1

Agent/TCP set minrto_ 0
# The default is being changed to minrto_ 1
Agent/TCP set syn_ false
Agent/TCP set delay_growth_ false
# In preparation for changing the default values for syn_ and delay_growth_.

Trace set show_tcphdr_ 1

set wrap 90
set wrap1 [expr 90 * 512 + 40]

Class Topology

Topology instproc node? num {
    $self instvar node_
    return $node_($num)
}

Class Topology/net8 -superclass Topology
Topology/net8 instproc init ns {
    $self instvar node_
    set node_(s1) [$ns node]
    set node_(r1) [$ns node]
    set node_(k1) [$ns node]
    set node_(k2) [$ns node]
    set node_(k3) [$ns node]
    set node_(k4) [$ns node]
    set node_(k5) [$ns node]
    set node_(k6) [$ns node]
    set node_(r2) [$ns node]
    set node_(d1) [$ns node]

    $self next
    $ns duplex-link $node_(s1)   $node_(r1)  10Mb        2ms    DropTail 
    $ns duplex-link $node_(r1)   $node_(k1)  256Kb       10ms    DropTail
    $ns duplex-link $node_(k1)   $node_(k2)  256Kb       10ms    DropTail
    $ns duplex-link $node_(k2)   $node_(k3)  256Kb       10ms    DropTail
    $ns duplex-link $node_(k3)   $node_(k4)  256Kb       10ms    DropTail
    $ns duplex-link $node_(k4)   $node_(k5)  256Kb       10ms    DropTail
    $ns duplex-link $node_(k5)   $node_(k6)  256Kb       10ms    DropTail
    $ns duplex-link $node_(k6)   $node_(r2)  256Kb       10ms    DropTail
    $ns duplex-link $node_(r2)   $node_(d1)  10Mb        2ms    DropTail

    $ns duplex-link-op $node_(r1) $node_(k1) queuePos 0.5
    $ns queue-limit $node_(r1) $node_(k1) 30
    set qmon [$ns monitor-queue $node_(r1) $node_(k1) 1 2]
}


Class Topology/net7 -superclass Topology
Topology/net7 instproc init ns {
    $self instvar node_
    set node_(s1) [$ns node]
    set node_(r1) [$ns node]
    set node_(k1) [$ns node]
    
    $self next
    $ns duplex-link $node_(s1) $node_(r1) 1Mb 10s DropTail
    $ns duplex-link $node_(r1) $node_(k1) 0.9Mb 100ms DropTail
    
    $ns duplex-link-op $node_(s1) $node_(r1) orient right-down
    $ns duplex-link-op $node_(r1) $node_(k1) orient right
    $ns duplex-link-op $node_(r1) $node_(k1) queuePos 0.5
    $ns queue-limit $node_(r1) $node_(k1) 4000
    set qmon [$ns monitor-queue $node_(r1) $node_(k1)  1 2]
}

Class Topology/net6 -superclass Topology
Topology/net6 instproc init ns {
    $self instvar node_
    set node_(s1) [$ns node]
    set node_(r1) [$ns node]
    set node_(k1) [$ns node]
    
    $self next
    $ns duplex-link $node_(s1) $node_(r1) 1Mb 100ms DropTail
    $ns duplex-link $node_(r1) $node_(k1) 10Mb 10ms DropTail
    
    $ns duplex-link-op $node_(s1) $node_(r1) orient left-right
    $ns duplex-link-op $node_(r1) $node_(k1) orient right
    $ns duplex-link-op $node_(r1) $node_(k1) queuePos 0.5
    $ns queue-limit $node_(r1) $node_(k1) 4000
    set qmon [$ns monitor-queue $node_(r1) $node_(k1)  1 2]

    lappend drops 60

    set loss_module [new ErrorModel/List]
    $loss_module droplist $drops
    $loss_module drop-target [new Agent/Null]
    $ns lossmodel $loss_module $node_(r1) $node_(k1)
}

Class Topology/net5 -superclass Topology
Topology/net5 instproc init ns {
    $self instvar node_
    set node_(s1) [$ns node]
    set node_(s2) [$ns node]
    set node_(r1) [$ns node]
    set node_(k1) [$ns node]
    set node_(s3) [$ns node]   
    
    $self next
    $ns duplex-link $node_(s1) $node_(r1) 1Mb 100ms DropTail
    $ns duplex-link $node_(s2) $node_(r1) 1Mb 100ms DropTail
    $ns duplex-link $node_(s3) $node_(r1) 1Mb 100ms DropTail
    $ns duplex-link $node_(r1) $node_(k1) 0.5Mb 100ms DropTail
    
    $ns duplex-link-op $node_(s1) $node_(r1) orient right-down
    $ns duplex-link-op $node_(s2) $node_(r1) orient right
    $ns duplex-link-op $node_(s3) $node_(r1) orient right-up
    $ns duplex-link-op $node_(r1) $node_(k1) orient right
    $ns duplex-link-op $node_(r1) $node_(k1) queuePos 0.5
    $ns queue-limit $node_(r1) $node_(k1) 200
    set qmon [$ns monitor-queue $node_(r1) $node_(k1)  1 2]
}


TestSuite instproc finish testname {
    global quiet wrap PERL 
    $self instvar trace_
    
    if {$testname == "rtt-rfc793" || $testname == "rtt-jacobson"} {
	close $trace_(rto)
        close $trace_(rtt)
	exec cp rtt.tr temp.rands
	if {$quiet == "false"} {	
	    exec xgraph -x time -y "rtt,rto values"  rtt.tr rto.tr &
	}
    } 

    if {$testname == "rto-karn" || $testname == "rto-nokarn"} {
	close $trace_(srtt)
	exec cp srtt.tr temp.rands
	if {$quiet == "false"} {
	    exec xgraph  -x time -y "Estimated RTT"  srtt.tr &
	}
    }

    if {$testname == "seqno-fastrtx" || $testname == "seqno-nofastrtx" || $testname == "rto-karn" || $testname == "rto-nokarn"} {
        exec $PERL ../../bin/getrc -s 1 -d 2 all.tr | \
		$PERL ../../bin/raw2xg -a -e -s 0.01 -m 10000000 -t $testname > temp.rands
        if {$quiet == "false"} {
	    exec xgraph -bb -tk -nl -m -x time -y packets temp.rands &
	}
    } 

    if {$testname == "jacobson88-noss" || $testname ==
    "jacobson88-ss"} {
	exec awk {
                {
                        if (($1 == "+") && ($5 == "tcp") &&\
                            ($3 == "0") && ($4 == "1"))\
                                        print $2, $11
                }
        } all.tr > out.seq
	exec cp out.seq temp.rands
	if {$quiet == "false"} {
        	exec xgraph -P out.seq & 
	}
    }
    
    if {$quiet == "false"} {
    	exec nam all.nam &
    }
    exit 0
}  


TestSuite instproc printtimers { tcp time} {
    global quiet
    if {$quiet == "false"} {
	puts "time: $time sRTT(in ticks): [$tcp set srtt_]/8 RTTvar(in ticks): [$tcp set rttvar_]/4 backoff: [$tcp set backoff_]"
    }
}

TestSuite instproc printtimersAll { tcp time interval } {
    $self instvar dump_inst_ ns_
    if ![info exists dump_inst_($tcp)] {
	set dump_inst_($tcp) 1
	$ns_ at $time "$self printtimersAll $tcp $time $interval"
	return
    }
    set newTime [expr [$ns_ now] + $interval]
    $ns_ at $time "$self printtimers $tcp $time"
    $ns_ at $newTime "$self printtimersAll $tcp $newTime $interval"
}


## 
TestSuite instproc setup {tcptype list} {
    global wrap wrap1 quiet
    $self instvar ns_ node_ testName_
    $self setTopo
    
    $ns_ color 1 Red
    $ns_ color 2 Green
    $ns_ color 3 Blue
    $ns_ color 4 Yellow

    set fid 1
    # Set up TCP connection
    if {$tcptype == "rtt-jacobson" || $tcptype == "rtt-rfc793"} {
	
	$self instvar trace_
	set trace_(rtt) [open "rtt.tr" w]
	set trace_(rto) [open "rto.tr" w]

	
	if {$quiet == "false"} {
	puts ""
	puts "                    RTT Test."
	puts "------------------------------------------------------------------------"
	puts "    s1 1Mb"
	puts "      \\             - s1 implements RFC793 estimation or Jacobson's"
	puts "  1MB  \\  0.5Mb     - s1 tx to k; at 1.5 both s2 and s3 tx big pkts for 1sec;"
	puts "    s2--r-------k    - nobody performs slowstart."
	puts "       /             - The queue in r grows fast and so does the RTT seen by s1."
	puts "      /1Mb           RFC793 RTO estimation can't adapt to the variance peak."
	puts "    s3               When the situation becomes normal again, RFC793 estimates"
	puts "                     RTO too pessimistically."
	}
	
	set tcp1 [$ns_ create-connection TCP/RFC793edu $node_(s1) \
		TCPSink $node_(k1) 1]
	set tcp2 [$ns_ create-connection TCP/RFC793edu $node_(s2) \
		TCPSink $node_(k1) 2]
	set tcp3 [$ns_ create-connection TCP/RFC793edu $node_(s3) \
			TCPSink $node_(k1) 3]
	set ftp1 [$tcp1 attach-app FTP]
	set ftp2 [$tcp2 attach-app FTP]
	set ftp3 [$tcp3 attach-app FTP]
	$tcp1 set window_ 50
	$tcp2 set packetSize_ 2000
	$tcp3 set packetSize_ 2000
	
	if {$tcptype == "rtt-jacobson"} { 
	    $tcp1 set add793jacobsonrtt_ true
	}
	$ns_ at 0.0  "$self plotrto $tcp1 0.25"
	$ns_ at 0.5  "$ftp1 start"
	$ns_ at 1.5  "$ftp2 start"
	$ns_ at 1.5  "$ftp3 start"
	$ns_ at 2.5 "$ftp2 stop"
	$ns_ at 2.5 "$ftp3 stop"
	##$self traceQueues $node_(r1) [$self openTrace 20.0 $testName_]
	$ns_ at 20.0 "$self cleanupAll $testName_"