mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Nathan Scott
314 lines
6.3 KiB
Bash
Executable File
314 lines
6.3 KiB
Bash
Executable File
#! /bin/sh
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#
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# XFS QA Test No. 001
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#
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# Random file copier to produce chains of identical files so the head
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# and the tail cna be diff'd at then end of each iteration.
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#
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# Exercises creat, write and unlink for a variety of directory sizes, and
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# checks for data corruption.
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#
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# run [config]
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#
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# config has one line per file with filename and byte size, else use
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# the default one below.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of version 2 of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#
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# Further, this software is distributed without any warranty that it is
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# free of the rightful claim of any third person regarding infringement
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# or the like. Any license provided herein, whether implied or
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# otherwise, applies only to this software file. Patent licenses, if
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# any, provided herein do not apply to combinations of this program with
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# other software, or any other product whatsoever.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write the Free Software Foundation, Inc., 59
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# Temple Place - Suite 330, Boston MA 02111-1307, USA.
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#
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# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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# Mountain View, CA 94043, or:
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#
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# http://www.sgi.com
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#
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# For further information regarding this notice, see:
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#
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# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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#-----------------------------------------------------------------------
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#
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# creator
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owner=kenmcd@sgi.com
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seq=`basename $0`
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echo "QA output created by $seq"
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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tmp=/tmp/$$
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here=`pwd`
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status=1
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done_cleanup=false
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trap "_cleanup; rm -f $tmp.*; exit \$status" 0 1 2 3 15
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# real QA test starts here
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verbose=true
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if [ $# -eq 0 ]
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then
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# use the default config
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#
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cat <<End-of-File >$tmp.config
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# pathname size in bytes
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#
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small 10
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big 102400
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sub/small 10
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sub/big 102400
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#
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sub/a 1
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sub/b 2
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sub/c 4
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sub/d 8
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sub/e 16
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sub/f 32
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sub/g 64
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sub/h 128
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sub/i 256
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sub/j 512
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sub/k 1024
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sub/l 2048
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sub/m 4096
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sub/n 8192
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#
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sub/a00 100
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sub/b00 200
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sub/c00 400
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sub/d00 800
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sub/e00 1600
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sub/f00 3200
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sub/g00 6400
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sub/h00 12800
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sub/i00 25600
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sub/j00 51200
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sub/k00 102400
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sub/l00 204800
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sub/m00 409600
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sub/n00 819200
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#
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sub/a000 1000
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sub/e000 16000
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sub/h000 128000
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sub/k000 1024000
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End-of-File
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elif [ $# -eq 1 ]
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then
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if [ -f $1 ]
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then
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cp $1 $tmp.config
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else
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echo "Error: cannot open config \"$1\""
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exit 1
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fi
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else
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echo "Usage: run [config]"
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exit 1
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fi
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ncopy=200 # number of file copies in the chain step
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_setup()
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{
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if mkdir -p $TEST_DIR/$$
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then
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:
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else
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echo "Error: cannot mkdir \"$TEST_DIR/$$\""
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exit 1
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fi
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cd $TEST_DIR/$$
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$verbose && echo -n "setup "
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sed -e '/^#/d' $tmp.config \
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| while read file nbytes
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do
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dir=`dirname $file`
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if [ "$dir" != "." ]
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then
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if [ ! -d $dir ]
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then
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if mkdir $dir
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then
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:
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else
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$verbose && echo
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echo "Error: cannot mkdir \"$dir\""
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exit 1
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fi
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fi
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fi
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rm -f $file
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if $here/src/fill $file $file $nbytes
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then
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:
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else
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$verbose && echo
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echo "Error: cannot create \"$file\""
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exit 1
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fi
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$verbose && echo -n "."
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done
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$verbose && echo
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}
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_mark_iteration()
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{
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$verbose && echo -n "mark_iteration "
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sed -e '/^#/d' $tmp.config \
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| while read file nbytes
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do
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if [ ! -f $file ]
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then
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$verbose && echo
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echo "Error: $file vanished!"
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touch $tmp.bad
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continue
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fi
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sed -e "s/ [0-9][0-9]* / $1 /" <$file >$file.tmp
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mv $file.tmp $file
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$verbose && echo -n "."
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done
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$verbose && echo
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}
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# for each file, make a number of copies forming a chain like foo.0,
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# foo.1, foo.2, ... foo.N
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#
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# files are chosen at random, so the lengths of the chains are different
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#
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# then rename foo.N to foo.last and remove all of the other files in
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# the chain
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#
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_chain()
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{
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$AWK_PROG <$tmp.config '
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BEGIN { nfile = 0 }
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/^\#/ { next }
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{ file[nfile] = $1
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link[nfile] = 0
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nfile++
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}
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END { srand('$iter')
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for (i=0; i < '$ncopy'; i++) {
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# choose a file at random, and add one copy to that chain
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j = -1
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while (j < 0 || j >= nfile)
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j = int(rand() * nfile)
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if (link[j] == 0) {
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printf "if [ ! -f %s ]; then echo \"%s missing!\"; exit; fi\n",file[j],file[j]
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printf "if [ -f %s.0 ]; then echo \"%s.0 already present!\"; exit; fi\n",file[j],file[j]
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printf "cp %s %s.0\n",file[j],file[j]
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}
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else {
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printf "if [ ! -f %s.%d ]; then echo \"%s.%d missing!\"; exit; fi\n",file[j],link[j]-1,file[j],link[j]-1
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printf "if [ -f %s.%d ]; then echo \"%s.%d already present!\"; exit; fi\n",file[j],link[j],file[j],link[j]
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printf "cp %s.%d %s.%d\n",file[j],link[j]-1,file[j],link[j]
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}
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link[j]++
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}
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# close all the chains, and remove all of the files except
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# the head of the chain
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for (j=0; j<nfile; j++) {
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if (link[j] > 0)
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printf "mv %s.%d %s.last\n",file[j],link[j]-1,file[j]
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for (i=0; i<link[j]-1; i++) {
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printf "rm -f %s.%d\n",file[j],i
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}
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}
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}' \
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| sh
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}
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_check()
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{
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rm -f $tmp.bad
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$verbose && echo -n "check "
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sed -e '/^#/d' $tmp.config \
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| while read file nbytes
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do
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if [ ! -f $file ]
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then
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$verbose && echo
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echo "Error: $file vanished!"
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touch $tmp.bad
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continue
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fi
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if [ -f $file.last ]
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then
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if cmp $file $file.last >/dev/null 2>&1
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then
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$verbose && echo -n "."
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else
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$verbose && echo
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echo "Error: corruption for $file ..."
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diff -c $file $file.last
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touch $tmp.bad
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fi
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else
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$verbose && echo -n "."
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fi
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done
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$verbose && echo
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}
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_cleanup()
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{
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# cleanup
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#
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if $done_cleanup
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then
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:
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elif [ $status -eq 0 ]
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then
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$verbose && echo "cleanup"
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cd /
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rm -rf $TEST_DIR/$$
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done_cleanup=true
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fi
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}
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status=0
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_cleanup
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status=1
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done_cleanup=false
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_setup
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# do the test
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#
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for iter in 1 2 3 4 5
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do
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echo -n "iter $iter chain ... "
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_chain
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_check
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if [ -f $tmp.bad ]
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then
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echo "Fatal error: test abandoned without changes"
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exit 1
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fi
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done
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status=0
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exit
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