test-sack-v1

这个软件的功能是实现多播协议

#! /bin/sh
#holes=2		* from NSA in packet.h
sed -e 's/maxBurst/0/' sack-v1.tcl > t		# for tahoe, reno
sed -e 's/maxBurst/4/' sack-v1.tcl > t1		# for newreno, sack, fack
sed -e 's/type/taho/' t > t0.tcl
sed -e 's/connection tcp /connection tcp-reno /' -e s/type/reno/ t > t1.tcl
sed -e 's/connection tcp /connection tcp-newreno /' -e s/type/newr/ t1 > t3.tcl
sed -e 's/connection tcp /connection tcp-sack1 /' t1 > t2
sed -e 's/tcp-sink/sack1-tcp-sink/' -e 's/type/sck1/' t2 > t4.tcl

# fack with overdamping and rampdown
sed -e 's/connection tcp /connection tcp-fack /' t > t3
sed -e 's/tcp-sink/sack1-tcp-sink/' -e 's/type/fackOR/' t3 > t5.tcl

# fack without overdamping and rampdown
sed -e 's/tcp-sink/sack1-tcp-sink/' -e 's/type/fack/' t3 > t4
awk ' {print } ; /global mod ns_tcp/ { print "\tglobal mod ns_facktcp" ; \
 print "\tset ns_facktcp(ss-div4) 0" ; print "\tset ns_facktcp(rampdown) 0" \
 } ' t4 > t6.tcl

# newreno with ssthresh estimator
sed -e 's/tcpnewreno(changes) 0/tcpnewreno(changes) 1/' t3.tcl > t7.tcl

# vegas
sed -e 's/connection tcp /connection tcp-vegas /' -e s/type/vegas/ t > t8.tcl


tests=`awk '/^proc test_/{ print substr($2,index($2, "_")+1) }' sack-v1.tcl`

for t in $tests; do
    echo
    echo Running test $t
    echo 'Tahoe:'
    ../../ns t0.tcl $t
    sleep 5
    echo 'Reno:'
    ../../ns t1.tcl $t
    sleep 5
    echo 'New Reno without Sack:'
    ../../ns t3.tcl $t
    sleep 5
    echo 'Sack1:'
    ../../ns t4.tcl $t
    sleep 5
    echo 'Vegas:'
    ../../ns t8.tcl $t
    sleep 5
    echo 'Fack with OverDamping and Rampdown:'
    ../../ns t5.tcl $t
    sleep 5
    echo 'Fack without OverDamping and Rampdown:'
    ../../ns t6.tcl $t
    sleep 5
    echo 'New Reno without Sack, but with ssthresh estimator:'
    ../../ns t7.tcl $t
    echo 'next?'
    read answer
done

# ns t0.tcl one_40