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_check_sids previously grepped the entire output of dm_getall_sessions for sids, which is:
ret=dm_getall_sessions return value
rnelem=number of sessions
sids="sid1 sid2 ... sidn "

If the session id of a previously destroyed session matches the current number of sessions (rnelem),
then _check_sids() $PREV_DESTROYED_SID will _not_ flag ERROR: SID(s) not created.

This fix also makes _check_sids() not rely on sids being consecutive. DMF may be running on a FS in background.

Tested on Linux and Irix.
Merge of master-melb:xfs-cmds:28043a by kenmcd.

  change _check_sids to go through sids line 1 by 1 checking for matches

#! /bin/sh
# FSQA Test No. 151
#
# Create three DMAPI sessions,
# verify they have been created,
# then distroy first session
#
#-----------------------------------------------------------------------
#  Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
#-----------------------------------------------------------------------
#
# creator
owner=allanr@sgi.com

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

here=`pwd`
tmp=/tmp/$$
status=1    # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
    _cleanup_testdir
}

_dm_create_session()
{
    eval `${DMAPI_QASUITE1_DIR}../simple/dm_create_session`
    echo "RET=$ret NEWSID=NUM"
}

_filter_sid_list()
{
    $SED_PROG -e "s/sids=\"[0-9| ]*\"/sids=NUMS/"
}

_check_sids()
{
	for i in $@; do
		CHECKED_SID=`${DMAPI_QASUITE1_DIR}../simple/dm_getall_sessions \
			| perl -ne "if (/^sids.*[\"|\s]($i)[\"|\s].*/) {print \$1} ;"`
		if [ -z "$CHECKED_SID" ] ; then
			echo "ERROR: SID(s) not created"
			${DMAPI_QASUITE1_DIR}../simple/dm_getall_sessions >>$seq.full
			return
		fi
	done
}

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

# real QA test starts here
_supported_fs xfs
_supported_os Linux IRIX

_require_scratch
_scratch_mkfs_xfs >/dev/null 2>&1
_dmapi_scratch_mount

echo "*** create 3 sessions"
_dm_create_session
sid1=$newsid
_dm_create_session
sid2=$newsid
_dm_create_session
sid3=$newsid

echo "*** check 3 sessions exist"
_check_sids $sid1 $sid2 $sid3

echo "*** destroy first session"
${DMAPI_QASUITE1_DIR}../simple/dm_destroy_session -s $sid1

#should fail
echo "*** check first session no longer exists"
_check_sids $sid1

#should still remain
echo "*** check last 2 session exist"
_check_sids $sid2 $sid3

echo "*** query"
${DMAPI_QASUITE1_DIR}../simple/dm_query_session -s $sid2

echo "*** remove remaining sessions"
${DMAPI_QASUITE1_DIR}../simple/dm_destroy_session -s $sid2
${DMAPI_QASUITE1_DIR}../simple/dm_destroy_session -s $sid3

echo "*** check second session no longer exists"
_check_sids $sid2

echo "*** check third session no longer exists"
_check_sids $sid3

status=0
exit