#!/bin/sh

# Trigger a "Superblock check-hash failed: recorded check-hash 0x1ef81467 != computed check-hash 0xbfa79b5b"

[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1

mntpoint=/mnt
mdstart=10

gmirror load > /dev/null 2>&1 && unload=1
[ -c /dev/mirror/test ] && { gmirror stop test; gmirror destroy test; }
old=`sysctl -n kern.geom.mirror.debug`
sysctl kern.geom.mirror.debug=-1 | grep -q -- -1 ||
    sysctl kern.geom.mirror.debug=$old > /dev/null

u1=$mdstart
s=0
[ -c /dev/md$u1 ] && mdconfig -d -u $u1
mdconfig -a -t swap -s 1g -u $u1

set -e
(
gpart create -s GPT md$u1
gpart add -t freebsd-ufs -s 341m md$u1
gpart add -t freebsd-ufs -s 341m md$u1
gpart add -t freebsd-ufs -s 341m md$u1
) > /dev/null
gmirror label test md${u1}p1 md${u1}p2 md${u1}p3
[ "`sysctl -in kern.geom.mirror.launch_mirror_before_timeout`" = "0" ] &&
    sleep $((`sysctl -n kern.geom.mirror.timeout` + 1))
[ -c /dev/mirror/test ] || exit 1

newfs /dev/mirror/test > /dev/null
mount /dev/mirror/test $mntpoint
set +e
chmod 777 $mntpoint

last=`tail -1 /var/log/messages | cut -c1-15`
[ -z "$last" ] && last=dummy
sleep 2
cont=/tmp/graid1_7.cont
touch $cont
for i in `jot 150`; do
	mkdir -p $mntpoint/$i
	cd $mntpoint/$i
	while [ -f $cont ]; do rm -rf $mntpoint/$i/*; jot 300 | \
	    xargs -I \% cp /etc/group \%; done &
done
cd /tmp
for i in `jot 8`; do
	while [ -f $cont ]; do
		for u in md${u1}p2 md${u1}p3; do
			gmirror forget test
			gmirror remove test $u
			gmirror insert test $u
			id=`gmirror status test | grep gptid | awk '{print $1}'`
			if [ $i -eq 1 -a -n "$id" ]; then
				echo "FAIL Remove component $id"
				gmirror remove test $id
			fi
		done 2>/dev/null
	done &
done
sleep 300
rm $cont
wait
gmirror status test | grep -qw md${u1}p2 || gmirror insert test md${u1}p2
gmirror status test | grep -qw md${u1}p3 || gmirror insert test md${u1}p3
i=0
while ! gmirror status test | grep -q COMPLETE; do
	sleep 5
	if [ $((i += 1)) -gt 20 ]; then
		echo "FAIL to COMPLETE"
		gmirror status test
		s=1
		break
	fi
done

while mount | grep $mntpoint | grep -q /mirror/; do
	umount $mntpoint || sleep 5
done
while gmirror status test | grep -q SYNCHRONIZING; do sleep 10; done
for i in `jot 10`; do
	gmirror stop test && break || sleep 30
done
[ $i -eq 10 ] && s=3
gmirror destroy test 2>/dev/null
[ $unload ] && gmirror unload

mdconfig -d -u $mdstart || s=4
sed "1,/$last/d" < /var/log/messages | tail -20 | grep -m 1 "check-hash" && s=5
exit $s