test-suite-gk.tcl

跑leach需要的

#
# Copyright (c) 1995-1997 The Regents of the University of California.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
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# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#	This product includes software developed by the Computer Systems
#	Engineering Group at Lawrence Berkeley Laboratory.
# 4. Neither the name of the University nor of the Laboratory may be used
#    to endorse or promote products derived from this software without
#    specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUGKENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# To run all tests: test-all-gk

set dir [pwd]
catch "cd tcl/test"
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.
Agent/TCP set singledup_ 0
# The default is being changed to 1
Agent/TCP set overhead_ 0.001
catch "cd $dir"

# FOR UPDATING GLOBAL DEFAULTS:
Agent/TCP set useHeaders_ false
# The default is being changed to useHeaders_ true.

set flowfile fairflow.tr; # file where flow data is written
set flowgraphfile fairflow.xgr; # file given to graph tool 

TestSuite instproc finish file {
	global quiet PERL
	$self instvar ns_ tchan_ testName_
        exec $PERL ../../bin/getrc -s 2 -d 3 all.tr | \
          $PERL ../../bin/raw2xg -a -s 0.01 -m 90 -t $file > temp.rands
	if {$quiet == "false"} {
        	exec xgraph -bb -tk -nl -m -x time -y packets temp.rands &
	}
        ## now use default graphing tool to make a data file
        ## if so desired

	if { [info exists tchan_] && $quiet == "false" } {
		$self plotQueue $testName_
	}
	$ns_ halt
}

TestSuite instproc enable_tracequeue ns {
	$self instvar tchan_ node_
	set gkq [[$ns link $node_(r1) $node_(r2)] queue]
	set tchan_ [open all.q w]
	$gkq trace curq_
	$gkq attach $tchan_
}

Class Topology

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

Class Topology/net2 -superclass Topology
Topology/net2 instproc init ns {
    $self instvar node_
    set node_(s1) [$ns node]
    set node_(s2) [$ns node]    
    set node_(r1) [$ns node]    
    set node_(r2) [$ns node]    
    set node_(s3) [$ns node]    
    set node_(s4) [$ns node]    

    $self next 

    $ns duplex-link $node_(s1) $node_(r1) 10Mb 2ms DropTail
    $ns duplex-link $node_(s2) $node_(r1) 10Mb 3ms DropTail
    $ns duplex-link $node_(r1) $node_(r2) 1.5Mb 20ms GK
    $ns queue-limit $node_(r1) $node_(r2) 25
    $ns queue-limit $node_(r2) $node_(r1) 25
    $ns duplex-link $node_(s3) $node_(r2) 10Mb 4ms DropTail
    $ns duplex-link $node_(s4) $node_(r2) 10Mb 5ms DropTail
 
    $ns duplex-link-op $node_(s1) $node_(r1) orient right-down
    $ns duplex-link-op $node_(s2) $node_(r1) orient right-up
    $ns duplex-link-op $node_(r1) $node_(r2) orient right
    $ns duplex-link-op $node_(r1) $node_(r2) queuePos 0
    $ns duplex-link-op $node_(r2) $node_(r1) queuePos 0
    $ns duplex-link-op $node_(s3) $node_(r2) orient left-down
    $ns duplex-link-op $node_(s4) $node_(r2) orient left-up
}   

Class Topology/net3 -superclass Topology
Topology/net3 instproc init ns {
    $self instvar node_
    set node_(s1) [$ns node]
    set node_(s2) [$ns node]    
    set node_(r1) [$ns node]    
    set node_(r2) [$ns node]    
    set node_(s3) [$ns node]    
    set node_(s4) [$ns node]    

    $self next 

    $ns duplex-link $node_(s1) $node_(r1) 10Mb 0ms DropTail
    $ns duplex-link $node_(s2) $node_(r1) 10Mb 1ms DropTail
    $ns duplex-link $node_(r1) $node_(r2) 1.5Mb 10ms GK
    $ns duplex-link $node_(r2) $node_(r1) 1.5Mb 10ms GK
    $ns queue-limit $node_(r1) $node_(r2) 100
    $ns queue-limit $node_(r2) $node_(r1) 100
    $ns duplex-link $node_(s3) $node_(r2) 10Mb 2ms DropTail
    $ns duplex-link $node_(s4) $node_(r2) 10Mb 3ms DropTail
 
    $ns duplex-link-op $node_(s1) $node_(r1) orient right-down
    $ns duplex-link-op $node_(s2) $node_(r1) orient right-up
    $ns duplex-link-op $node_(r1) $node_(r2) orient right
    $ns duplex-link-op $node_(r1) $node_(r2) queuePos 0
    $ns duplex-link-op $node_(r2) $node_(r1) queuePos 0
    $ns duplex-link-op $node_(s3) $node_(r2) orient left-down
    $ns duplex-link-op $node_(s4) $node_(r2) orient left-up
}   

TestSuite instproc plotQueue file {
	global quiet
	$self instvar tchan_
	#
	# Plot the queue size and average queue size, for GK gateways.
	#
	set awkCode {
		{
			if ($1 == "Q" && NF>2) {
				print $2, $3 >> "temp.q";
				set end $2
			}
		}
	}
	set f [open temp.queue w]
	puts $f "TitleText: $file"
	puts $f "Device: Postscript"

	if { [info exists tchan_] } {
		close $tchan_
	}
	exec rm -f temp.q
	exec touch temp.q

	exec awk $awkCode all.q

	puts $f \"queue
	exec cat temp.q >@ $f  
	close $f
	if {$quiet == "false"} {
		exec xgraph -bb -tk -x time -y queue temp.queue &
	}
}

TestSuite instproc tcpDumpAll { tcpSrc interval label } {
    global quiet
    $self instvar dump_inst_ ns_
    if ![info exists dump_inst_($tcpSrc)] {
	set dump_inst_($tcpSrc) 1
	set report $label/window=[$tcpSrc set window_]/packetSize=[$tcpSrc set packetSize_]
	if {$quiet == "false"} {
		puts $report
	}
	$ns_ at 0.0 "$self tcpDumpAll $tcpSrc $interval $label"
	return
    }
    $ns_ at [expr [$ns_ now] + $interval] "$self tcpDumpAll $tcpSrc $interval $label"
    set report time=[$ns_ now]/class=$label/ack=[$tcpSrc set ack_]/packets_resent=[$tcpSrc set nrexmitpack_]
    if {$quiet == "false"} {
    	puts $report
    }
}       

Class Test/gk1 -superclass TestSuite
Test/gk1 instproc init {} {
    $self instvar net_ test_
    Agent/TCP set ecn_ 1
    set net_	net2
    set test_	ecn
    $self next pktTraceFile
}
Test/gk1 instproc run {} {
    $self instvar ns_ node_ testName_
    $self setTopo 

    set stoptime 10.0
    set gkq [[$ns_ link $node_(r1) $node_(r2)] queue]
		
   	$gkq set ecnlim_ 0.8 

    set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(s3) 0]
    $tcp1 set window_ 50
    $tcp1 set ecn_ 1

    set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(s3) 1]
    $tcp2 set window_ 50
    $tcp2 set ecn_ 1
        
    set ftp1 [$tcp1 attach-app FTP]
    set ftp2 [$tcp2 attach-app FTP]
        
    $self enable_tracequeue $ns_
    $ns_ at 0.0 "$ftp1 start"
    $ns_ at 3.0 "$ftp2 start"
        
    $self tcpDump $tcp1 5.0
        
    # trace only the bottleneck link
    #$self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]
    $ns_ at $stoptime "$self cleanupAll $testName_"
        
    $ns_ run
}

Class Test/gk2 -superclass TestSuite
Test/gk2 instproc init {} {
    $self instvar net_ test_
    set net_	net3
    set test_	gk2
    $self next pktTraceFile
}
Test/gk2 instproc run {} {
    $self instvar ns_ node_ testName_
    $self setTopo

    set stoptime 10.0
    set gkq [[$ns_ link $node_(r1) $node_(r2)] queue]

   	$gkq set ecnlim_ 0.6 
	
    set tcp1 [$ns_ create-connection TCP/Sack1 $node_(s1) TCPSink/Sack1 $node_(s3) 0]
    $tcp1 set window_ 100 
    $tcp1 set ecn_ 1

    set tcp2 [$ns_ create-connection TCP/Sack1 $node_(s2) TCPSink/Sack1 $node_(s3) 1]
    $tcp2 set window_ 100
    $tcp2 set ecn_ 1

    set ftp1 [$tcp1 attach-app FTP]
    set ftp2 [$tcp2 attach-app FTP]

    $self enable_tracequeue $ns_
    $ns_ at 0.0 "$ftp1 start"
    $ns_ at 3.0 "$ftp2 start"

    $self tcpDump $tcp1 5.0