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File: [Development] / xfs-cmds / xfstests / common.dump (download)

Revision 1.51, Fri Jul 30 05:26:25 2004 UTC (13 years, 3 months ago) by tes
Branch: MAIN
Changes since 1.50: +21 -0 lines

get dump qa going on irix
Convert hwgraph char device name to block device for filtering.
This is for IRIX.

#/bin/sh

#
# Functions useful for xfsdump/xfsrestore tests
#
# 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/
#

# --- initializations ---
rm -f $here/$seq.full

if [ -n "$DEBUGDUMP" ]; then
  _dump_debug=-v4
  _restore_debug=-v4
  _invutil_debug=-d
fi
 
# Use dump/restore in qa directory for debugging
PATH="$here:$PATH"
export PATH
#which xfsdump
#which xfsrestore
#which xfsinvutil

# status returned for not run tests
NOTRUNSTS=2

# name those directories
dump_file=$tmp.dumpfile
# dump_file=$here/dumpfile #TEMP OVERRIDE DUMP FILE
dump_sdir=dumpdir
dump_dir=$SCRATCH_MNT/$dump_sdir
restore_sdir=restoredir
restore_dir=$SCRATCH_MNT/$restore_sdir
multi=3
dumptape=$TAPE_DEV
media_label="stress_tape_media"
session_label="stress_$seq"

nobody=4 # define this uid/gid as a number
do_quota_check=true # do quota check if quotas enabled

_need_to_be_root

# install our cleaner
trap "_cleanup; exit \$status" 0 1 2 3 15

# start inventory from a known base - move it aside for test
for dir in /var/xfsdump/inventory /var/lib/xfsdump/inventory; do
    if [ -d $dir ]; then
	[ -d $dir.$seq ] && rm -rf $dir.$seq
	mv $dir $dir.$seq
    fi
done

have_mtvariable=false
[ `uname` = "Linux" ] && have_mtvariable=true

#
# do a remote/local mt
#
_mt()
{
    op=$1
    if _isrmt; then  
	# REMOTE
	_rmtdev=`echo $dumptape | $AWK_PROG -F: '{print $2}'`

        if echo $dumptape | grep '@' >/dev/null; then
	    _spec=`echo $dumptape | $AWK_PROG -F: '{print $1}'`
	    _rmtuser=`echo $_spec | $AWK_PROG -F@ '{print $1}'`
	    _rmthost=`echo $_spec | $AWK_PROG -F@ '{print $2}'`
	    rsh -n -l $_rmtuser $_rmthost "mt -t $_rmtdev $op"
	else
	    _rmthost=`echo $dumptape | $AWK_PROG -F: '{print $1}'`
	    rsh -n $_rmthost "mt -t $_rmtdev $op"
	fi
    else
	#LOCAL
	mt -t $dumptape $op
    fi
}

_check_onl()
{
    _limit=10
    i=0
    while [ $i -lt $_limit ]; do  
        echo "Checking online..." >>$here/$seq.full
	if _mt status >$tmp.status 2>&1; then
	    break; 
	else
	    sleep 2 
	fi
	i=`expr $i + 1`
    done


    if [ $i -eq $_limit ]; then
	echo "ERROR: mt -f $dumptape failed"
	cat $tmp.status

	echo "mt -f $dumptape failed" >$seq.notrun 
	status=$NOTRUNSTS
	exit
    fi 


    if egrep -i 'onl|ready' $tmp.status | grep -iv 'not ready' >/dev/null; then
	:
    else
	echo "ERROR: $dumptape is not online"
	cat $tmp.status

	echo "dumptape, $dumptape, is not online" >$seq.notrun 
	status=$NOTRUNSTS
	exit
    fi
}

_wait_tape()
{
    echo "Wait for tape, $dumptape, ..." >>$here/$seq.full

    i=0
    while [ $i -lt 20 ]; do  
        echo "Checking status..." >>$here/$seq.full
	if _mt status 2>&1 | tee -a $here/$seq.full | egrep -i "onl|ready" >/dev/null; then
	    break; 
	else
	    sleep 2 
	fi
	i=`expr $i + 1`
    done
}

#
# Keep trying so we know we really have rewound
#
_rewind()
{
    echo "Initiate rewind..." >>$here/$seq.full
    _wait_tape
    _mt rewind >/dev/null
    _wait_tape
}

#
# Do a custom erase because: 
# (i) some machines don't support it
# (ii) some machines take forever to do it
#
_erase_soft()
{
    echo "Erasing tape" | tee -a $here/$seq.full
    _rewind
    _mt weof 3
    _rewind
}

_erase_hard()
{
    echo "Erasing tape" | tee -a $here/$seq.full
    _mt erase
}

_isrmt()
{
    echo $dumptape | grep ':' >/dev/null
}

#
# Get tape ready
#
_set_variable()
{
    $have_mtvariable || return

    if _isrmt; then
	:
    else
	# LOCAL
	echo "Put scsi tape driver into variable block size mode"
	mt -f $dumptape setblk 0
    fi	
}

_require_tape()
{
    dumptape=$1

    if [ -z "$dumptape" ]; then
        echo "This test requires a dump tape - none was specified"
	echo "No dump tape specified" >$seq.notrun 
	status=$NOTRUNSTS
	exit
    fi

    _check_onl
    _set_variable
}

_wipe_fs()
{
    _require_scratch

    _scratch_mkfs_xfs >>$here/$seq.full || _fail "mkfs failed"
    _scratch_mount >>$here/$seq.full || _fail "mount failed"
}

# 
# Cleanup created dirs and files
# Called by trap
#
_cleanup()
{
    cd $here
    rm -f $tmp.*

    if [ -n "$DEBUGDUMP" ]; then
	# save it for inspection
	for dir in /var/xfsdump/inventory /var/lib/xfsdump/inventory; do
	    [ -d $dir ] || continue
	    tar -cvf $seq.inventory.tar $dir
	    ls -lR $dir >$seq.inventory.ls
	done
    fi

    # put inventory dir back
    for dir in /var/xfsdump/inventory /var/lib/xfsdump/inventory; do
	[ -d $dir.$seq ] || continue
	rm -rf $dir		# get rid of new one
	mv $dir.$seq $dir
    done

    if [ $status -ne $NOTRUNSTS ]; then
	# Sleep added to stop _check_scratch_fs from complaining that the
	# scratch_dev is still busy
	sleep 10

	_check_scratch_fs
    fi
}

#
# ensure that bulkstat data will
# match with incore data
# by forcing disk data to be written out
#
_stable_fs()
{
    _saveddir=`pwd`; cd /
    umount $SCRATCH_MNT >>$here/$seq.full || _fail "unmount failed"
    _scratch_mount >>$here/$seq.full || _fail "mount failed"
    cd $_saveddir
}

#
# Run fsstress to create a mixture of 
# files,dirs,links,symlinks
#
# Pinched from test 013.
#
_create_dumpdir_stress()
{
    echo "Creating directory system to dump using fsstress."

    _wipe_fs

    _param="-f link=10 -f creat=10 -f mkdir=10 -f truncate=5 -f symlink=10"
    _count=200
    rm -rf $dump_dir
    if ! mkdir $dump_dir; then
        echo "    failed to mkdir $dump_dir"
        status=1
        exit
    fi
    echo ""
    echo "-----------------------------------------------"
    echo "fsstress : $_param"
    echo "-----------------------------------------------"
    if ! $here/ltp/fsstress $_param -s 1 $FSSTRESS_AVOID -n $_count -d $dump_dir >$tmp.out 2>&1
    then
        echo "    fsstress (count=$_count) returned $? - see $here/$seq.full"
        
        echo "--------------------------------------"       >>$here/$here/$seq.full
        echo "output from fsstress:"                        >>$here/$here/$seq.full
        echo "--------------------------------------"       >>$here/$here/$seq.full
        cat $tmp.out                                        >>$here/$here/$seq.full
        status=1
    fi

    _stable_fs
}

_mk_fillconfig1()
{
    cat <<End-of-File >$tmp.config
# pathname	size in bytes	owner	group
#
small		10	$nobody	$nobody
big		102400	daemon	sys
sub/small	10	bin	bin
sub/big		102400	$nobody	sys
#
sub/a		1	$nobody	$nobody
sub/b		2	$nobody	$nobody
sub/c		4	$nobody	$nobody
sub/d		8	$nobody	$nobody
sub/e		16	$nobody	$nobody
sub/f		32	$nobody	$nobody
sub/g		64	$nobody	$nobody
sub/h		128	$nobody	$nobody
sub/i		256	$nobody	$nobody
sub/j		512	$nobody	$nobody
sub/k		1024	$nobody	$nobody
sub/l		2048	$nobody	$nobody
sub/m		4096	$nobody	$nobody
sub/n		8192	$nobody	$nobody
#
sub/a00		100	$nobody	$nobody
sub/b00		200	$nobody	$nobody
sub/c00		400	$nobody	$nobody
sub/d00		800	$nobody	$nobody
sub/e00		1600	$nobody	$nobody
sub/f00		3200	$nobody	$nobody
sub/g00		6400	$nobody	$nobody
sub/h00		12800	$nobody	$nobody
sub/i00		25600	$nobody	$nobody
sub/j00		51200	$nobody	$nobody
sub/k00		102400	$nobody	$nobody
sub/l00		204800	$nobody	$nobody
sub/m00		409600	$nobody	$nobody
sub/n00		819200	$nobody	$nobody
#
sub/a000	1000	$nobody	$nobody
sub/e000	16000	$nobody	$nobody
sub/h000	128000	$nobody	$nobody
sub/k000	1024000	$nobody	$nobody
End-of-File
}

_mk_fillconfig2()
{
    cat <<End-of-File >$tmp.config
# pathname	size in bytes
#
smalll		10	$nobody	$nobody
biggg		102400	$nobody	$nobody
sub/smalll	10	$nobody	$nobody
sub/biggg	102400	$nobody	$nobody
End-of-File
}

_mk_fillconfig_perm()
{
    # dir_guid: ugo=rwx,g+s on dir is for IRIX chmod(1)

    cat <<End-of-File >$tmp.config
# pathname	size/dir  user group mode
#
file_suid	10	$nobody	$nobody	04777
file_guid	10	$nobody	$nobody	02777
file_sticky	10	$nobody	$nobody	01777
file_mix1	10	$nobody	$nobody	761
file_mix2	10	$nobody	$nobody	642
dir_suid	d	$nobody	$nobody	04777
dir_guid	d	$nobody	$nobody	ugo=rwx,g+s
dir_sticky	d	$nobody	$nobody	01777
dir_mix1	d	$nobody	$nobody	761
dir_mix2	d	$nobody	$nobody	642
End-of-File
}

_mk_fillconfig_ea()
{
    cat <<End-of-File >$tmp.config
# pathname	size    user    group    perm   name value namespace
#
smalll		10	$nobody	$nobody  777    attr1 some_text   user 
biggg		102400	$nobody	$nobody  777    attr2 some_text2  root
sub/smalll	10	$nobody	$nobody  777    attr3 some_text3  user
sub/biggg	102400	$nobody	$nobody  777    attr4 some_text4  root
dir		d	$nobody $nobody  777    attr5 dir_text    user
#
# Add more files so that there are more than the number
# of streams.
# There are bugs in dump/restore for # non-dir files < # streams
# It can be tested in another configuration.
# It is a pathalogical case.
#
sub/a		1	$nobody	$nobody
sub/b		2	$nobody	$nobody
sub/c		4	$nobody	$nobody
sub/d		8	$nobody	$nobody
sub/e		16	$nobody	$nobody
sub/f		32	$nobody	$nobody
sub/g		64	$nobody	$nobody
sub/h		128	$nobody	$nobody
sub/i		256	$nobody	$nobody
sub/j		512	$nobody	$nobody
sub/k		1024	$nobody	$nobody
sub/l		2048	$nobody	$nobody
sub/m		4096	$nobody	$nobody
sub/n		8192	$nobody	$nobody
End-of-File
}

#
# extended file attribute flags
#
_mk_fillconfig_xattr()
{
    cat <<End-of-File >$tmp.config
# pathname	size    user    group    perm   name 
#
xflag_realtime	10	$nobody $nobody  777    XFS_XFLAG_REALTIME
xflag_prealloc	10	$nobody $nobody  777    XFS_XFLAG_PREALLOC
xflag_immutable 10	$nobody $nobody  777    XFS_XFLAG_IMMUTABLE
xflag_append	10	$nobody $nobody  777    XFS_XFLAG_APPEND
xflag_sync	10	$nobody $nobody  777    XFS_XFLAG_SYNC
xflag_noatime	10	$nobody $nobody  777    XFS_XFLAG_NOATIME
xflag_nodump	10	$nobody $nobody  777    XFS_XFLAG_NODUMP
xflag_hasattr	10	$nobody $nobody  777    XFS_XFLAG_HASATTR
End-of-File
}

#
# Create a bunch of directories/files of different sizes
# filled with data.
#
# Pinched from test 001.
#
_do_create_dumpdir_fill()
{
    echo "Creating directory system to dump using src/fill."

    mkdir -p $dump_dir || _fail "cannot mkdir \"$dump_dir\""
    cd $dump_dir

    $verbose && echo -n "Setup "
    sed -e '/^#/d' $tmp.config \
    | while read file nbytes owner group perms ea_name ea_value namespace
    do
	if [ $nbytes = "d" ]; then
	    # create a directory
	    dir=$file	
	    if [ ! -d $dir ]
	    then
		if mkdir $dir
		then
		    :
		else
		    $verbose && echo
		    echo "Error: cannot mkdir \"$dir\""
		    exit 1
		fi
	    fi
	else
	    # create a directory/file
	    dir=`dirname $file`
	    if [ "$dir" != "." ]
	    then
		if [ ! -d $dir ]
		then
		    if mkdir $dir
		    then
			:
		    else
			$verbose && echo
			echo "Error: cannot mkdir \"$dir\""
			exit 1
		    fi
		fi
	    fi
	    rm -f $file
	    if $here/src/fill $file $file $nbytes
	    then
		:
	    else
		$verbose && echo
		echo "Error: cannot create \"$file\""
		exit 1
	    fi
	fi
	if [ -n "$owner" -a -n "$group" ]; then
	    chown $owner.$group $file
	fi
	if [ -n "$perms" ]; then
	    chmod $perms $file
	fi

	# extended attributes (EA)
	if [ -n "$ea_name" -a -n "$ea_value" ]; then
	    if [ "X$namespace" = "Xroot" ]; then
		attr -R -s $ea_name -V $ea_value $file
	    else
		attr -s $ea_name -V $ea_value $file
	    fi
	# extended file attribute flags - no value - NOT EAs
	elif [ -n "$ea_name" -a -z "$ea_value" ]; then
	    # set the flag
	    # TODO XXX
            # use xfs_io to send the ioctl
	    :
	fi
	$verbose && echo -n "."
    done
    $verbose && echo

    cd $here
}

_create_dumpdir_largefile()
{
    _wipe_fs
    mkdir -p $dump_dir || _fail "cannot mkdir \"$dump_dir\""
    _largesize=4294967297
    _largefile=$dump_dir/largefile
    echo "dd a largefile at offset $_largesize"
    POSIXLY_CORRECT=yes \
    dd if=/dev/zero of=$_largefile bs=1 seek=$_largesize count=10 2>&1
    _stable_fs
}	

_create_dumpdir_fill()
{
    _wipe_fs
    _mk_fillconfig1
    _do_create_dumpdir_fill
    _stable_fs
}	

_create_dumpdir_fill2()
{
    _wipe_fs
    _mk_fillconfig2
    _do_create_dumpdir_fill
    _stable_fs
}	

_create_dumpdir_fill_perm()
{
    _wipe_fs
    _mk_fillconfig_perm
    _do_create_dumpdir_fill
    _stable_fs
}	

_create_dumpdir_fill_ea()
{
    _wipe_fs
    _mk_fillconfig_ea
    _do_create_dumpdir_fill
    _stable_fs
}	


#
# Append a subset of the fill'ed files
# So we can see if just these get dumped on an incremental
#
_append_dumpdir_fill()
{
    cd $dump_dir
    cat <<End-of-File >$tmp.config
# pathname
#
small	
sub/big	
#
sub/a
sub/c
sub/e
End-of-File
    sed -e '/^#/d' $tmp.config \
    | while read file
    do
        echo 'Extra text' >>$file
    done

    cd $here
    _stable_fs
}

_do_create_dump_symlinks()
{
    echo "Creating directory system of symlinks to dump."

    mkdir -p $dump_dir || _fail "cannot mkdir \"$dump_dir\""
    cd $dump_dir

    $verbose && echo -n "Setup "
    sed -e '/^#/d' $tmp.config \
    | while read file nbytes owner group owner2 group2 perms perms2
    do
	dir=`dirname $file`
	if [ "$dir" != "." ]
	then
	    if [ ! -d $dir ]
	    then
		if mkdir $dir
		then
		    :
		else
		    $verbose && echo
		    echo "Error: cannot mkdir \"$dir\""
		    exit 1
		fi
	    fi
	fi
	rm -f $file
	touch $file

	# Do chmod on symlink using umask.
	# This won't do the right thing as it subtracts permissions.
	# However, I don't care, as long as I get some different perms
	# for testing.
	if [ -n "$perms2" ]; then
	    omask=`umask`
	    umask $perms2
	fi
	ln -s $file $file-link
	if [ -n "$perms2" ]; then
	    umask $omask	
	fi

	if [ -n "$owner" -a -n "$group" ]; then
	    chown $owner.$group $file
	fi
	if [ -n "$owner" -a -n "$group" ]; then
	    chown -h $owner.$group $file-link
	fi
	if [ -n "$perms" ]; then
	    chmod $perms $file
	fi
	$verbose && echo -n "."
    done
    $verbose && echo

    cd $here
}

_mk_symlink_config()
{
    cat <<End-of-File >$tmp.config
# path	size	owner1	group1	owner2	group2	perm1	perm2 
#
a	0	$nobody	$nobody	daemon	sys	124	421
b	0	daemon	sys	bin	bin	347	743
sub/a	0	bin	bin	$nobody	sys	777	777
sub/b	0	$nobody	sys	$nobody	$nobody	367	763
End-of-File
}

_create_dumpdir_symlinks()
{
    _wipe_fs
    _mk_symlink_config
    _do_create_dump_symlinks
    _stable_fs
}	

#
# create hardlinks of form $_fname, $_fname_h1 $_fname_h2 ...
#
_create_hardlinks()
{
    _fname=$1	
    _numlinks=$2

    touch $_fname
    _j=1
    while [ $_j -le $_numlinks ]; do
        _suffix=_h$_j
	_hardlink=$_fname$_suffix
	echo "creating hardlink $_hardlink to $_fname"
	ln $_fname $_hardlink
	_j=`expr $_j + 1`
    done
}

#
# create a set of hardlinks
# create hardlinks of form file1, file1_h1 file1_h2 ...
# create hardlinks of form file2, file2_h1 file2_h2 ...
# create hardlinks of form file3, file3_h1 file3_h2 ...
#
_create_hardset()
{
    _numsets=$1
    _i=1
    while [ $_i -le $_numsets ]; do
	_create_hardlinks file$_i 5
	_i=`expr $_i + 1`
    done
}


_modify_level()
{
    _level=$1
    echo "mod level $_level" >$dump_dir/file$_level
}

_create_dumpdir_hardlinks()
{
    _numsets=$1
    _wipe_fs
    echo "Creating directory system of hardlinks to incrementally dump."

    mkdir -p $dump_dir || _fail "cannot mkdir \"$dump_dir\""
    cd $dump_dir

    _create_hardset $_numsets

    cd $here
    _stable_fs
}

#
# Filter for ls
# Filter out dates on symlinks and char devices
# Filter out size on directories because this can differ
# when transitioning to long inode numbers (ie. 64 bits).
#
_ls_filter()
{
  $AWK_PROG '
        /^l/ { date = $8; sub(date,"DATE"); print}
        /^c/ { date = $9; sub(date,"DATE"); print}
        /^d/ { size = $5; sub(size,"SIZE"); print}
        {print}' \
  | sed -e 's/total [0-9][0-9]*/total TOTAL/'
}

#
# Filtering of Irix character hwgraph device names
# e.g.
# chardev: /hw/node/xtalk/15/pci/0/scsi_ctlr/0/target/1/lun/0/disk/partition/4/char
# blkdev:  /dev/dsk/dks0d1s4
#
_filter_devchar()
{
    $AWK_PROG '
	/\/hw\/node/ {
	    sub(/\/hw.*scsi_ctlr\//,"/dev/dsk/dks")  # blah blah /dev/dsk/dks0/target/1/....
	    sub(/\/target\//,"d")                    # blah blah /dev/dsk/dks0d1/lun/0/disk.....
	    sub(/\/lun.*partition\//,"s")            # blah blah /dev/dsk/dks0d1s4/char
	    sub(/\/char/,"")			     # blah blah /dev/dsk/dks0d1s4
	}
	{ print }
    '
}    


# 
# Filter out the non-deterministic dump msgs from
# xfsdump and xfsrestore
#
_dump_filter_main()
{
  _filter_devchar |\
  sed \
      -e "s/`hostname`/HOSTNAME/"			\
      -e "s#$SCRATCH_DEV#SCRATCH_DEV#"			\
      -e "s#$SCRATCH_RAWDEV#SCRATCH_DEV#"		\
      -e "s#$dumptape#TAPE_DEV#"			\
      -e "s#$SCRATCH_MNT#SCRATCH_MNT#"			\
      -e "s#$dump_file#DUMP_FILE#"			\
      -e 's#/var/lib/xfsdump#/var/xfsdump#'		\
      -e 's/session id:[ 	]*[0-9a-f-]*/session id: ID/'  \
      -e '/filesystem id:[ 	]*[0-9a-f-]*/d'		\
      -e 's/time:[ 	].*/time: TIME/'		\
      -e 's/date:[ 	].*/date: DATE/'		\
      -e 's/dump begun .*/dump begun DATE/'		\
      -e 's/[0-9][0-9]* seconds/SECS seconds/'		\
      -e 's/restore.[0-9][0-9]*/restore.PID/'		\
      -e 's/ino [0-9][0-9]*/ino INO/'			\
      -e '/: dump size/s/[0-9][0-9]*/NUM/'		\
      -e '/dump size:/s/[0-9][0-9]*/NUM/'		\
      -e '/dump size per stream:/s/[0-9][0-9]*/NUM/'	\
      -e 's/\(media file size[	 ]*\)[0-9][0-9]*/\1NUM/' \
      -e 's/\(mfile size:[	 ]*\)[0-9][0-9]*/\1NUM/' \
      -e '/drive[	 ]*[0-9][0-9]*:/d'		\
      -e '/\/dev\/tty/d'				\
      -e '/inventory session uuid/d'			\
      -e '/ - Running single-threaded/d'		\
      -e '/^.*I\/O metrics: .*$/d'			\
      -e 's/1048576/BLOCKSZ/'				\
      -e 's/2097152/BLOCKSZ/'				\
      -e 's/(pid[	 ]*[1-9][0-9]*)/\(pid PID\)/'	\
      -e '/version 3\.0/d'				\
      -e 's/\/hw\/module.*$/SCRATCH_DEV/'		\
      -e 's/id:[[:space:]]*[0-9a-f]\{8\}-[0-9a-f]\{4\}-[0-9a-f]\{4\}-[0-9a-f]\{4\}-[0-9a-f]\{12\}/ID: ID/'						\
      -e 's/\[y\/n\][- ]----------------------*/\[y\/n\]/'		\
  | perl -ne '
      if ($_ =~ /(?:Dump|Restore) Summary/) {
        $skip = 1;
      } elsif ($_ =~ /(?:Dump|Restore) Status/) {
        $skip = 0;
      }
      print if (! $skip);'
}

_dump_filter()
{
   if $do_quota_check
   then
       _dump_filter_main | _check_quota_dumprestore | _check_quota_entries
   else
       _dump_filter_main
   fi
}

_invutil_filter()
{
  _dump_filter_main \
  | sed \
	-e 's/UUID[ 	]*:[ 	][0-9a-f-]*/UUID		:	ID/' \
	-e 's/TIME OF DUMP[ 	]*:.*/TIME OF DUMP	:	TIME/' \
        -e 's/HOSTNAME:SCRATCH_MNT.*/HOSTNAME:SCRATCH_MNT/' \
        -e 's#inventory/[0-9a-f-]*#inventory/UUID#' \

}


_dir_filter()
{
  sed \
    -e "s#$dump_file#DUMP_FILE#"      \
    -e "s#$SCRATCH_DEV#SCRATCH_DEV#"        \
    -e "s#$SCRATCH_RAWDEV#SCRATCH_DEV#"    \
    -e "s#$dumptape#TAPE_DEV#"         \
    -e "s#$dump_dir#DUMP_DIR#g"       \
    -e "s#$restore_dir#RESTORE_DIR#g" \
    -e "s#$SCRATCH_MNT#SCRATCH_MNT#g"       \
    -e "s#$dump_sdir#DUMP_SUBDIR#g"   \
    -e "s#$restore_sdir#RESTORE_SUBDIR#g" \
    -e "s#$$#PID#g" \

}

#
# Note: requires a space between option letter and argument 
#
_parse_args()
{
    OPTIND=0
    dump_args=""
    while [ $# -gt 0 ]
    do
        case $1
        in
        -f)
            [ -z "$2" ] && _fail "missing argument for -f"
	    dumptape=$2	
	    shift
            ;;
        -L)
            [ -z "$2" ] && _fail "missing argument for -L"
	    session_label=$2
	    shift
            ;;
	-o)
	    dump_args="$dump_args -o"
            ;;
	-F)
	    dump_args="$dump_args -F"
            ;;
	--multi)
	    multi=$2
	    shift
	    ;;
        -q)
            do_quota_check=true
            ;;
        -Q)
            do_quota_check=false
            ;;
        -l)
            [ -z "$2" ] && _fail "missing argument for -l"
	    dump_args="$dump_args -l$2"
	    shift
            ;;
	*)
            _fail "invalid argument to common.dump function: $1"
            ;;
        esac
	shift
    done
}


#
# Dump a subdir
#
_do_dump_sub()
{
    _parse_args $*

    echo "Dumping to tape..."
    opts="$_dump_debug$dump_args -s $dump_sdir -f $dumptape -M $media_label -L $session_label $SCRATCH_MNT"
    echo "xfsdump $opts" | _dir_filter  
    xfsdump $opts 2>&1 | tee -a $here/$seq.full | _dump_filter
}

#
# Do dump to tape
#
_do_dump()
{
    _parse_args $*

    echo "Dumping to tape..."
    opts="$_dump_debug$dump_args -f $dumptape -M $media_label -L $session_label $SCRATCH_MNT"
    echo "xfsdump $opts" | _dir_filter  
    xfsdump $opts 2>&1 | tee -a $here/$seq.full | _dump_filter
}


#
# Do full dump with -m
#
_do_dump_min()
{
    _parse_args $*

    echo "Dumping to tape..."
    onemeg=1048576
    opts="$_dump_debug$dump_args -m -b $onemeg -l0 -f $dumptape -M $media_label -L $session_label $SCRATCH_MNT"
    echo "xfsdump $opts" | _dir_filter  
    xfsdump $opts 2>&1 | tee -a $here/$seq.full | _dump_filter
}


#
# Do full dump to file
#
_do_dump_file()
{
    _parse_args $*

    echo "Dumping to file..."
    opts="$_dump_debug$dump_args -f $dump_file -M $media_label -L $session_label $SCRATCH_MNT"
    echo "xfsdump $opts" | _dir_filter  
    xfsdump $opts 2>&1 | tee -a $here/$seq.full | _dump_filter
}

#
# Do full dump to multiple files
#
_do_dump_multi_file()
{
    _parse_args "$@"

    multi_args=""

    i=0
    while [ $i -lt $multi ]
    do
	multi_args="$multi_args -f $dump_file.$i -M $media_label.$i"
	i=`expr $i + 1`
    done

    echo "Dumping to files..."
    opts="$_dump_debug$dump_args $multi_args -L $session_label $SCRATCH_MNT"
    echo "xfsdump $opts" | _dir_filter  
    xfsdump $opts 2>&1 | tee -a $here/$seq.full | _dump_filter
}


_prepare_restore_dir()
{
    rm -rf $restore_dir
    mkdir $restore_dir || _fail "failed to mkdir $restore_dir"
}


#
# Get tape ready and restore dir
#
_prepare_restore()
{
    _prepare_restore_dir

    echo "Rewinding tape"
    _rewind
}

#
# Restore the tape into $restore_dir
#
_do_restore()
{
    _parse_args $*
    _prepare_restore


    echo "Restoring from tape..."
    opts="$_restore_debug -f $dumptape  -L $session_label $restore_dir"
    echo "xfsrestore $opts" | _dir_filter  
    xfsrestore $opts 2>&1 | tee -a $here/$seq.full | _dump_filter
}

#
# Restore the tape into $restore_dir using -m
#
_do_restore_min()
{
    _parse_args $*
    _prepare_restore

    echo "Restoring from tape..."
    onemeg=1048576
    opts="$_restore_debug -m -b $onemeg -f $dumptape  -L $session_label $restore_dir"
    echo "xfsrestore $opts" | _dir_filter  
    xfsrestore $opts 2>&1 | tee -a $here/$seq.full | _dump_filter
}

#
# Restore the tape from a dump file
#
_do_restore_file()
{
    _parse_args $*
    _prepare_restore_dir

    echo "Restoring from file..."
    opts="$_restore_debug -f $dump_file  -L $session_label $restore_dir"
    echo "xfsrestore $opts" | _dir_filter  
    xfsrestore $opts 2>&1 | tee -a $here/$seq.full | _dump_filter
}

#
# Cumulative restore from a file
# Need to specify the dump level e.g. "-l 0"
#
_do_restore_file_cum()
{
    _parse_args $*
    if echo $dump_args | grep '\-l0' >/dev/null; then
	_prepare_restore_dir
    fi

    echo "Restoring cumumlative from file..."
    opts="$_restore_debug -f $dump_file -r $restore_dir"
    echo "xfsrestore $opts" | _dir_filter  
    xfsrestore $opts 2>&1 | tee -a $here/$seq.full | _dump_filter
}

_do_restore_toc()
{
    echo "Contents of dump ..."
    opts="$_restore_debug -f $dump_file -t"
    echo "xfsrestore $opts" | _dir_filter
    cd $SCRATCH_MNT # for IRIX which needs xfs cwd
    xfsrestore $opts 2>&1 | tee -a $here/$seq.full | _dump_filter_main |\
    _check_quota_file |\
    _check_quota_entries |\
    $AWK_PROG 'NF != 1 { print; next }
	       {files = sprintf("%s\n%s", files, $1)}
		END { print files | "sort" } '
    # the above awk code is to alpha sort only the output
    # of files (and not the verbose restore msgs)
    cd $here # put back
}

#
# Restore the tape from multiple dump files
#
_do_restore_multi_file()
{
    _parse_args "$@"
    _prepare_restore_dir

    multi_args=""

    i=0
    while [ $i -lt $multi ]
    do
	multi_args="$multi_args -f $dump_file.$i"
	i=`expr $i + 1`
    done

    echo "Restoring from file..."
    opts="$_restore_debug $multi_args -L $session_label $restore_dir"
    echo "xfsrestore $opts" | _dir_filter  
    xfsrestore $opts 2>&1 | tee -a $here/$seq.full | _dump_filter
}

#
# Do xfsdump piped into xfsrestore - xfsdump | xfsrestore
#
# Use -s as we want to dump and restore to the same xfs partition
#
_do_dump_restore()
{
    _parse_args $*
    _prepare_restore_dir
    echo "xfsdump|xfsrestore ..."
    restore_opts="$_restore_debug - $restore_dir"
    dump_opts="$_dump_debug$dump_args -s $dump_sdir - $SCRATCH_MNT"
    echo "xfsdump $dump_opts | xfsrestore $restore_opts" | _dir_filter  
    xfsdump $dump_opts 2>$tmp.dump.mlog | xfsrestore $restore_opts 2>&1 | tee -a $here/$seq.full | _dump_filter
    _dump_filter <$tmp.dump.mlog
}

#
# Compare dumped subdirectory with restored dir
# using ls -lR.
# Thus no contents are compared but permissions, sizes,
# owners, etc... are.
#
_ls_compare_sub()
{
    #
    # verify we got back what we dumped
    #
    echo "Comparing listing of dump directory with restore directory"
    ls -lR $dump_dir | tee -a $here/$seq.full | _ls_filter >$tmp.dump_dir
    ls -lR $restore_dir/$dump_sdir | tee -a $here/$seq.full | _ls_filter \
    | sed -e "s#$restore_sdir\/##" >$tmp.restore_dir

    diff -cs $tmp.dump_dir $tmp.restore_dir | sed -e "s#$tmp#TMP#g"
   
}

#
# filter out the date fields
#
_ls_nodate_filter()
{
    $AWK_PROG 'NF == 9 { print $1, $2, $3, $4, $9 }'
}

#
# _ls_compare_sub but don't compare dates
_ls_nodate_compare_sub()
{
    #
    # verify we got back what we dumped
    #
    echo "Comparing listing of dump directory with restore directory"
    ls -lR $dump_dir | tee -a $here/$seq.full | _ls_filter | _ls_nodate_filter >$tmp.dump_dir
    ls -lR $restore_dir/$dump_sdir | tee -a $here/$seq.full | _ls_filter \
    | _ls_nodate_filter | sed -e "s#$restore_sdir\/##" >$tmp.restore_dir

    diff -cs $tmp.dump_dir $tmp.restore_dir | sed -e "s#$tmp#TMP#g"
}

#
# Compare using recursive diff the files of the dumped
# subdirectory.
# This one will compare the contents.
#
_diff_compare_sub()
{
    echo "Comparing dump directory with restore directory"
    diff -rs $dump_dir $restore_dir/$dump_sdir | _dir_filter
}

_get_eas_on_path()
{
    _path=$1

# Tim - this is the IRIX way...
    # find $_path -exec attr -l {} \; |\
    # awk '{print $9, $2}' |\
    # sed 's/["]//g' |\
    # sort |\
# and this is now the Linux way...
    echo "User names"
    getfattr --absolute-names -Rh -m user $_path |\
    perl -wn -e '
	if (m/^# file: (\S+)/) { $file = $1 }
	elsif (m/^user\.(\w+)/) { print $file, " ",$1,"\n" }' |\
    sort |\
    while read file ea_name; do
	attr -g $ea_name $file
    done

    if [ "$USE_ATTR_SECURE" = yes ]; then
	echo "Security names"
	getfattr --absolute-names -Rh -m security $_path |\
	perl -wn -e '
	    if (m/^# file: (\S+)/) { $file = $1 }
	    elsif (m/^security\.(\w+)/) { print $file, " ",$1,"\n" }' |\
	sort |\
	while read file ea_name; do
	    attr -g $ea_name $file
	done
    fi

    echo "Root names"
    getfattr --absolute-names -Rh -m trusted $_path |\
    perl -wn -e '
	if (m/^# file: (\S+)/) { $file = $1 }
	elsif (m/^trusted\.(\w+)/) { print $file, " ",$1,"\n" }' |\
    sort |\
    while read file ea_name; do
	attr -R -g $ea_name $file
    done
}

#
# Compare the extended attributes of the files/dirs
# b/w the dumped and restore dirs.
#
#
# Attribute "attr5" had a 8 byte value for /spare1/dump.5460/dir:
# Attribute "attr5" had a 8 byte value for /spare1/restore.5460/dump.5460/dir:
#
_diff_compare_eas()
{
    echo "Comparing dump directory with restore directory"
    echo "Looking at the extended attributes (EAs)"
    echo "EAs on dump"
    _get_eas_on_path $dump_dir | tee $seq.ea1 | _dir_filter
    echo "EAs on restore"
    _get_eas_on_path $restore_dir/$dump_sdir \
    | sed -e "s#$restore_sdir\/##" \
    | tee $seq.ea2 \
    | _dir_filter
    diff -s $seq.ea1 $seq.ea2
}


#
# Compare using recursive diff the files of the dumped
# filesystem
#
_diff_compare()
{
    echo "Comparing dump directory with restore directory"
    diff -rs $SCRATCH_MNT $restore_dir | _dir_filter | _check_quota_diff
}

#
# Check out the dump inventory
#
_dump_inventory()
{
    xfsdump $_dump_debug -I | tee -a $here/$seq.full | _dump_filter_main
}

#
# Do the xfsinvutil cmd with debug and filters
# Need to set variable: "$middate" to the invutil date 
#
_do_invutil()
{
    host=`hostname`
    echo "xfsinvutil $_invutil_debug -M $host:$SCRATCH_MNT \"$middate\" $*" >$here/$seq.full
    xfsinvutil $_invutil_debug $* -M $host:$SCRATCH_MNT "$middate" \
    | tee -a $here/$seq.full | _invutil_filter
}

#
# ensure we can find the user quota msg if user quotas are on
# ensure we can find the group quota msg if group quotas are on
#
_check_quota()
{
    usermsg=$1 
    groupmsg=$2 
    uquota=0
    gquota=0 
    $here/src/feature -U $SCRATCH_DEV && uquota=1
    $here/src/feature -G $SCRATCH_DEV && gquota=1

    $AWK_PROG -v uquota=$uquota -v gquota=$gquota -v full=$here/$seq.full \
              -v usermsg="$usermsg" -v groupmsg="$groupmsg" '
	$0 ~ groupmsg {
			print "Found group quota:", $0 >>full
			found_gquota = 1
			if (!gquota) {
			    print "Found extra:", $0
			}
			next
	}
	$0 ~ usermsg {
			print "Found user quota:", $0 >>full
			found_uquota = 1
			if (!uquota) {
			    print "Found extra:", $0
			}
			next
	}
			{ print }
	END {
		if (uquota && !found_uquota) {
		    print "Missing: ", usermsg
		}
		if (gquota && !found_gquota) {
		    print "Missing: ", groupmsg
		}
	}
    '
}

#
# xfsrestore: 3 directories and 40 entries processed 
#   $5 = 40 
#   num entries needs to be reduced by num quota file(s) 
#
_check_quota_entries()
{
    uquota=0
    gquota=0 
    $here/src/feature -U $SCRATCH_DEV && uquota=1
    $here/src/feature -G $SCRATCH_DEV && gquota=1
    $AWK_PROG -v uquota=$uquota -v gquota=$gquota '
	/entries processed/ { 
		if (uquota) $5--
		if (gquota) $5--
	}
	{print}'
}

#
# Look for:
# xfsdump: saving user quota information for: SCRATCH_MNT
# xfsdump: saving group quota information for: SCRATCH_MNT
# xfsrestore: user quota information written to ...'
# xfsrestore: group quota information written to ...'
#
_check_quota_dumprestore()
{
   _check_quota 'user quota information' \
                'group quota information'
}

#
# Look for:
# Only in RESTORE_DIR: xfsdump_quotas
# Only in RESTORE_DIR: xfsdump_quotas_group
#
_check_quota_diff()
{
   _check_quota 'Only in RESTORE_DIR: xfsdump_quotas' \
       'Only in RESTORE_DIR: xfsdump_quotas_group' 
}

#
# Look for the quota file in the output
# Ensure that it is there if it should be
# Filter it out so that the output is always the same
# even with no quotas
#
_check_quota_file()
{
   _check_quota 'xfsdump_quotas' 'xfsdump_quotas_group'
}


# make sure this script returns success
/bin/true