test-suite-red.tcl

CBRP协议（移动adhoc中基于分簇的路由协议）ns2下的源码

#
# Copyright (c) 1995-1997 The Regents of the University of California.
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#	This product includes software developed by the Computer Systems
#	Engineering Group at Lawrence Berkeley Laboratory.
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# @(#) $Header: /usr/cvs/ns/ns-src/tcl/test/test-suite-red.tcl,v 1.1.1.1 1998/01/13 15:06:23 root Exp $
#
# This test suite reproduces most of the tests from the following note:
# Floyd, S., 
# Ns Simulator Tests for Random Early Detection (RED), October 1996.
# URL ftp://ftp.ee.lbl.gov/papers/redsims.ps.Z.
#
# To run all tests: test-all-red

set dir [pwd]
catch "cd tcl/test"
source misc.tcl
source topologies.tcl
catch "cd $dir"

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
	$self instvar ns_ tchan_ testName_
        exec ../../bin/getrc -s 2 -d 3 all.tr | \
          ../../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 {
	$self instvar tchan_ node_
	set redq [[$ns link $node_(r1) $node_(r2)] queue]
	set tchan_ [open all.q w]
	$redq trace curq_
	$redq trace ave_
	$redq attach $tchan_
}

#
# Reconfigure the net2 topology for the RED experiments.
#
Topology/net2 instproc config ns {
    $self instvar node_
    # force identical behavior to ns-1.
    # the recommended value for linterm is now 10
    # and is placed in the default file (3/31/97)
    [[$ns link $node_(r1) $node_(r2)] queue] set linterm_ 50
    [[$ns link $node_(r2) $node_(r1)] queue] set linterm_ 50
	
}

TestSuite instproc plotQueue file {
	global quiet
	$self instvar tchan_
	#
	# Plot the queue size and average queue size, for RED gateways.
	#
	set awkCode {
		{
			if ($1 == "Q" && NF>2) {
				print $2, $3 >> "temp.q";
				set end $2
			}
			else if ($1 == "a" && NF>2)
				print $2, $3 >> "temp.a";
		}
	}
	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 temp.a 
	exec touch temp.a temp.q

	exec awk $awkCode all.q

	puts $f \"queue
	exec cat temp.q >@ $f  
	puts $f \n\"ave_queue
	exec cat temp.a >@ $f
	###puts $f \n"thresh
	###puts $f 0 [[ns link $r1 $r2] get thresh]
	###puts $f $end [[ns link $r1 $r2] get thresh]
	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/red1 -superclass TestSuite
Test/red1 instproc init topo {
    $self instvar net_ defNet_ test_
    set net_	$topo
    set defNet_	net2
    set test_	red1
    $self next
}
Test/red1 instproc run {} {
    $self instvar ns_ node_ testName_

    set stoptime 10.0
    
    set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink $node_(s3) 0]
    $tcp1 set window_ 15

    set tcp2 [$ns_ create-connection TCP/Reno $node_(s2) TCPSink $node_(s3) 1]
    $tcp2 set window_ 15

    set ftp1 [$tcp1 attach-source FTP]
    set ftp2 [$tcp2 attach-source 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_ run
}

Class Test/ecn -superclass TestSuite
Test/ecn instproc init topo {
    $self instvar net_ defNet_ test_
    Queue/RED set setbit_ true
    set net_	$topo
    set defNet_	net2
    set test_	ecn
    $self next
}
Test/ecn instproc run {} {
    $self instvar ns_ node_ testName_

    set stoptime 10.0
    set redq [[$ns_ link $node_(r1) $node_(r2)] queue]
    $redq set setbit_ true

    set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink $node_(s3) 0]
    $tcp1 set window_ 15
    $tcp1 set ecn_ 1

    set tcp2 [$ns_ create-connection TCP/Reno $node_(s2) TCPSink $node_(s3) 1]
    $tcp2 set window_ 15
    $tcp2 set ecn_ 1
        
    set ftp1 [$tcp1 attach-source FTP]
    set ftp2 [$tcp2 attach-source 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_ run
}

# "Red2" changes some of the RED gateway parameters.
# This should give worse performance than "red1".
Class Test/red2 -superclass TestSuite
Test/red2 instproc init topo {
    $self instvar net_ defNet_ test_
    set net_	$topo
    set defNet_	net2
    set test_	red2
    $self next
}
Test/red2 instproc run {} {
    $self instvar ns_ node_ testName_

    set stoptime 10.0
    set redq [[$ns_ link $node_(r1) $node_(r2)] queue]
    $redq set thresh_ 5
    $redq set maxthresh_ 10
    $redq set q_weight_ 0.003
	
    set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink $node_(s3) 0]
    $tcp1 set window_ 15

    set tcp2 [$ns_ create-connection TCP/Reno $node_(s2) TCPSink $node_(s3) 1]
    $tcp2 set window_ 15

    set ftp1 [$tcp1 attach-source FTP]
    set ftp2 [$tcp2 attach-source 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_ run
}

# The queue is measured in "packets".
Class Test/red_twoway -superclass TestSuite
Test/red_twoway instproc init topo {
    $self instvar net_ defNet_ test_
    set net_	$topo
    set defNet_	net2
    set test_	red_twoway
    $self next
}
Test/red_twoway instproc run {} {
    $self instvar ns_ node_ testName_

    set stoptime 10.0
	
    set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink $node_(s3) 0]
    $tcp1 set window_ 15
    set tcp2 [$ns_ create-connection TCP/Reno $node_(s2) TCPSink $node_(s4) 1]
    $tcp2 set window_ 15
    set ftp1 [$tcp1 attach-source FTP]
    set ftp2 [$tcp2 attach-source FTP]

    set tcp3 [$ns_ create-connection TCP/Reno $node_(s3) TCPSink $node_(s1) 2]
    $tcp3 set window_ 15
    set tcp4 [$ns_ create-connection TCP/Reno $node_(s4) TCPSink $node_(s2) 3]
    $tcp4 set window_ 15
    set ftp3 [$tcp3 attach-source FTP]
    set telnet1 [$tcp4 attach-source Telnet] ; $telnet1 set interval_ 0

    $self enable_tracequeue $ns_
    $ns_ at 0.0 "$ftp1 start"
    $ns_ at 2.0 "$ftp2 start"
    $ns_ at 3.5 "$ftp3 start"
    $ns_ at 1.0 "$telnet1 start"

    $self tcpDump $tcp1 5.0

    # trace only the bottleneck link
    $self traceQueues $node_(r1) [$self openTrace $stoptime $testName_]

    $ns_ run
}

# The queue is measured in "bytes".
Class Test/red_twowaybytes -superclass TestSuite
Test/red_twowaybytes instproc init topo {
    $self instvar net_ defNet_ test_
    set net_	$topo
    set defNet_	net2
    set test_	red_twowaybytes
    $self next
}
Test/red_twowaybytes instproc run {} {
    $self instvar ns_ node_ testName_

    set stoptime 10.0
    set redq [[$ns_ link $node_(r1) $node_(r2)] queue]
    $redq set bytes_ true
    $redq set queue-in-bytes_ true
		
    set tcp1 [$ns_ create-connection TCP/Reno $node_(s1) TCPSink $node_(s3) 0]