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Rework test 018 slightly so that its more user friendly when it fails

#! /bin/sh
# XFS QA Test No. 018
#
# xfs_logprint test
#
#-----------------------------------------------------------------------
# Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
# 
# This program is free software; you can redistribute it and/or modify it
# under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
# 
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# 
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like.  Any license provided herein, whether implied or
# otherwise, applies only to this software file.  Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
# 
# You should have received a copy of the GNU General Public License along
# with this program; if not, write the Free Software Foundation, Inc., 59
# Temple Place - Suite 330, Boston MA 02111-1307, USA.
# 
# Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
# Mountain View, CA  94043, or:
# 
# http://www.sgi.com 
# 
# For further information regarding this notice, see: 
# 
# http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
#-----------------------------------------------------------------------
#
# creator
owner=dxm@sgi.com

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=0	# success is the default!

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

_cleanup()
{
    rm -f $tmp.*
    echo "*** unmount"
    umount $SCRATCH_MNT 2>/dev/null
}
trap "_cleanup; exit \$status" 0 1 2 3 15

_full()
{
    echo ""            >>$seq.full      
    echo "*** $* ***"  >>$seq.full
    echo ""            >>$seq.full
}

_filter_logprint()
{
    sed '
        s/data device: 0x[0-9a-f][0-9a-f]*/data device: <DEVICE>/;
        s/log device: 0x[0-9a-f][0-9a-f]*/log device: <DEVICE>/;
        s/log file: \".*\"/log device: <DEVICE>/;
        s/daddr: [0-9][0-9]*/daddr: <DADDR>/;
        s/length: [0-9][0-9]*/length: <LENGTH>/;
        s/length: [0-9][0-9]*/length: <LENGTH>/;
        s/^cycle num overwrites: .*$/cycle num overwrites: <TIDS>/;
        s/tid: [0-9a-f][0-9a-f]*/tid: <TID>/;
        s/tid:0x[0-9a-f][0-9a-f]*/tid:<TID>/;
        s/q:0x[0-9a-f][0-9a-f]*/q:<Q>/;
        s/a:0x[0-9a-f][0-9a-f]*/a:<A>/g;
        s/blkno:0x[0-9a-f][0-9a-f]*/blkno:<BLKNO>/g;
        s/blkno: [0-9][0-9]* (0x[0-9a-f]*)/blkno: <BLKNO> (<BLKNO>)/g;
        s/blkno: [0-9][0-9]*/blkno: <BLKNO>/g;
        s/boff: [0-9][0-9]*/boff: <BOFF>/g;
        s/len: *[0-9][0-9]*/len:<LEN>/g;
        s/skipped [0-9][0-9]* zeroed blocks/skipped <COUNT> zeroed blocks/;
        s/atime:[0-9a-fx]*  *mtime:[0-9a-fx]*  *ctime:[0-9a-fx]*/atime:<TIME>  mtime:<TIME>  ctime:<TIME>/;
        s/atime 0x[0-9a-f]* mtime 0x[0-9a-f]* ctime 0x[0-9a-f]*/atime <TIME>  mtime <TIME>  ctime <TIME>/;
        s/block [0-9][0-9]*/block <BLOCK>/;
        s/icount: *[0-9][0-9]*  *ifree: *[0-9][0-9]*  *fdblks: *[0-9][0-9]*  *frext: *[0-9][0-9]*/icount:<COUNT> ifree:<FREE> fdblks:<BLOCKS> frext:<COUNT>/;
        s/sunit: *[0-9][0-9]*  *swidth: *[0-9][0-9]*/sunit:<SUNIT> swidth:<SWIDTH>/;
        s/1st: *[0-9][0-9]*  *last: *[0-9][0-9]*  *cnt: *[0-9][0-9]*  *freeblks: *[0-9][0-9]*  *longest: *[0-9][0-9]*/1st:<NUM> last:<NUM> cnt:<COUNT> freeblks:<COUNT> longest:<NUM>/;
        s/^uuid: *[0-9a-f-][0-9a-f-]* *format: *.*$/uuid: <UUID> format: <FORMAT>/;
        /flushiter:/d;
    ' | _fix_malloc
}

_setup_log()
{
    rm -f $seq.log
    _full "clean_log : xfs_logprint"

    _scratch_xfs_logprint -t       | tee -a $seq.full \
        | head | grep -q "<CLEAN>" || _fail "DIRTY LOG"

    echo "### xfs_logprint output ###"				>>$seq.log
    _scratch_xfs_logprint 2>&1 | _filter_logprint		>>$seq.log
    echo "### xfs_logprint -t -i -s 0 output ###"		>>$seq.log
    _scratch_xfs_logprint -t -i -s 0 2>&1 | _filter_logprint	>>$seq.log
    echo "### xfs_logprint -t -b -s 0 output ###"		>>$seq.log
    _scratch_xfs_logprint -t -b -s 0 2>&1 | _filter_logprint	>>$seq.log

    echo $seq.log
}

# find the comparison file, depending on which form of quota is
# enabled as this often influences how the test output appears.
# [NB: SCRATCH_DEV must be mounted for this to work]
# 
_setup_log_out()
{
    if src/feature -U $SCRATCH_DEV
    then
	if src/feature -G $SCRATCH_DEV
	then
	    echo $seq.ugquota
	else
	    echo $seq.usrquota
	fi
    elif src/feature -G $SCRATCH_DEV
    then
	echo $seq.grpquota
    else
	echo $seq.noquota
    fi
}


# real QA test starts here

_require_scratch

echo "*** init FS"

umount $SCRATCH_DEV >/dev/null 2>&1

_full "mkfs"

_scratch_mkfs_xfs -lsize=2000b >$tmp.mkfs0 2>&1
[ $? -ne 0 ] && \
    _notrun "Cannot mkfs for this test using MKFS_OPTIONS specified"
_filter_mkfs <$tmp.mkfs0 2>$tmp.mkfs
source $tmp.mkfs
[ $dbsize -eq 4096 ] \
    || _notrun "Logprint test, tailored to 4K blocks ($dbsize in use)"
[ $isize -eq 256 ] \
    || _notrun "Logprint test, tailored to 256b inodes ($isize in use)"
[ $lversion -eq 1 ]  \
    || _notrun "Logprint test, tailored to v1 log format (v$lversion in use)"

rm -f $seq.log $seq.full

_full " mount"
_scratch_mount >>$seq.full 2>&1 \
    || _fail "mount failed"

base=`_setup_log_out`

# generate some log traffic - but not too much - life gets a little
# more complicated if the log wraps around. This traffic is
# pretty much arbitary, but could probably be made better than this.

touch $SCRATCH_MNT/{0,1,2,3,4,5,6,7,8,9}{0,1,2,3,4,5,6,7,8,9}
    
_full "umount"
umount $SCRATCH_DEV >>$seq.full 2>&1 \
    || _fail "umount failed"

mine=`_setup_log`

echo "*** compare logprint"

if ! diff $mine $base >/dev/null; then
    echo "FAILED: logprint output $mine differs to $base"
    exit 1
fi

rm $seq.full
exit