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#!/bin/sh
#
# chkconfig: - 80 20
#
# description:	The start/stop script for MySQL - \
#	very fast and reliable SQL database engine.
#

WITHOUT_RC_COMPAT=1

# Source function library.
. /etc/init.d/functions

ROOT=/var/lib/mysql
#DATADIR=`/usr/bin/my_print_defaults mysqld |sed -ne 's/^--datadir=\(.*\)/\1/pg' |tail -1`
LOCKFILE="/var/lock/subsys/mysqld"
PIDFILE="/var/run/mysqld/mysqld.pid"
RETVAL=0

SourceIfNotEmpty /etc/sysconfig/mysqld

[ -z "$OPT" ] && OPT=""

adjust()
{
	# don't run mysql_install_db script if mysql.user table exists
	eval echo 'describe mysql.user;' | mysqld --bootstrap --max_allowed_packet=8M --net_buffer_length=16K >/dev/null 2>&1 ||	/usr/sbin/mysql_install_db
	
# 	action "Adjusting environment for mysqld:" /etc/chroot.d/mysql.all
	RETVAL=$?
	return $RETVAL
}

charset()
{
	if [ ! -z "$CHSET" ]; then
		fgrep -qs 'charset name="'$CHSET'"' /usr/share/mysql/charsets/Index.xml && return \
		|| echo "Unable to find charset: $CHSET"
	fi
	unset LANG LANGUAGE LC_ALL
	default_charset="$(HOME=/var/empty . /etc/profile.d/lang.sh && locale |sed -ne 's/^LC_COLLATE="\?[^".]\+\.\([^"]\+\)"\?$/\1/p')"
	case "$default_charset" in
		CP1251)
			CHSET=cp1251
			;;
		KOI8-R)
			CHSET=koi8r
			;;
		KOI8-U)
			CHSET=koi8u
			;;
		UTF-8)
			CHSET=utf8
			;;
		*)
			echo "Unable to find proper charset from system locale, setting 'utf8'."
			echo "Please edit mysqld init script and set proper charset."
			CHSET=utf8
			;;
	esac
}

stop_wait()
{
    for (( i=$1; $i>0; i=(($i-1)) )); do
        start-stop-daemon --stop --name mysqld --pidfile "$PIDFILE" --user mysql --test >/dev/null 2>&1 || return
	printf '%5s' "$i"
	sleep 1
	printf "\b\b\b\b\b     \b\b\b\b\b"
    done
    return 255
}


start()
{
	adjust || return
	charset
	start_daemon --lockfile "$LOCKFILE" --pidfile "$PIDFILE" --name mysqld --expect-user mysql -- safe_mysqld -C "$CHSET" $OPT
	RETVAL=$?
	return $RETVAL
}

stop()
{
	echo -n "Sending TERM signal to mysqld: "
	stop_daemon --lockfile "$LOCKFILE" --pidfile "$PIDFILE" --name mysqld --expect-user mysql -TERM -- mysqld 

	echo -n "Waiting, while mysqld actualy stopped:"
	stop_wait 300
	RETVAL=$?

	if [ $RETVAL == 255 ]; then
	    echo_failure
	    echo
	    stop_daemon --lockfile "$LOCKFILE" --pidfile "$PIDFILE" --name mysqld --expect-user mysql -- mysqld
	    RETVAL=$?
	    return $RETVAL
	else
	    echo_success
	    echo
	    return $RETVAL
	fi
	return $RETVAL
}

restart()
{
	stop
	start
}

reload()
{
	msg_reloading mysqld
	stop_daemon --pidfile "$PIDFILE" --expect-user mysql -HUP -- mysqld
	RETVAL=$?
	return $RETVAL
} 

# See how we were called.
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		restart
		;;
	reload)
		reload
		;;
	condstop)
		if [ -e "$LOCKFILE" ]; then
			stop
		fi
		;;
	condrestart)
		if [ -e "$LOCKFILE" ]; then
			restart
		fi
		;;
	status)
		status --pidfile "$PIDFILE" --expect-user mysql mysqld
		RETVAL=$?
		;;
	*)
		msg_usage "${0##*/} {start|stop|reload|restart|reload|condstop|condrestart|status}"
		RETVAL=1
esac

exit $RETVAL