#!/bin/sh

#

# @DAEMON_NAME@	This shell script takes care of starting and stopping

#		the MySQL subsystem (mysqld).

#

# chkconfig: - 64 36

# description:	MySQL database server.

# processname: mysqld

# config: @sysconfdir@/my.cnf

# pidfile: /var/run/@DAEMON_NAME@/@DAEMON_NO_PREFIX@.pid

### BEGIN INIT INFO

# Provides: mysqld

# Required-Start: $local_fs $remote_fs $network $named $syslog $time

# Required-Stop: $local_fs $remote_fs $network $named $syslog $time

# Short-Description: start and stop MySQL server

# Description: MySQL database server

### END INIT INFO

# Source function library.

. /etc/rc.d/init.d/functions

# Source networking configuration.

. /etc/sysconfig/network

exec="@bindir@/mysqld_safe"

prog="@DAEMON_NAME@"

# Set timeouts here so they can be overridden from /etc/sysconfig/@DAEMON_NAME@

STARTTIMEOUT=300

STOPTIMEOUT=60

# User and group the daemon will run under

MYUSER=mysql

MYGROUP=mysql

# Edit the following file in order to re-write some of the environment

# variables defined above, like $STARTTIMEOUT, $STOPTIMEOUT, $exec

[ -e @sysconfdir@/sysconfig/@DAEMON_NO_PREFIX@ ] && . @sysconfdir@/sysconfig/@DAEMON_NO_PREFIX@

lockfile=/var/lock/subsys/$prog

# get options from my.cnf

source "@libexecdir@/mysql-scripts-common"

start(){

    [ -x $exec ] || exit 5

    # check permissions

    if ! touch $(dirname $socketfile) &>/dev/null ; then

        action $"Starting $prog: " /bin/false

        return 4

    fi

    # check to see if it's already running

    MYSQLDRUNNING=0

    if [ -f "$pidfile" ]; then

	MYSQLPID=`cat "$pidfile" 2>/dev/null`

	if [ -n "$MYSQLPID" ] && [ -d "/proc/$MYSQLPID" ] ; then

	    MYSQLDRUNNING=1

	fi

    fi

    RESPONSE=`@bindir@/mysqladmin --no-defaults --socket="$socketfile" --user=UNKNOWN_MYSQL_USER ping 2>&1`

    if [ $MYSQLDRUNNING = 1 ] && [ $? = 0 ]; then

	# already running, do nothing

	action $"Starting $prog: " /bin/true

	ret=0

    elif [ $MYSQLDRUNNING = 1 ] && echo "$RESPONSE" | grep -q "Access denied for user"

    then

	# already running, do nothing

	action $"Starting $prog: " /bin/true

	ret=0

    else

        @libexecdir@/mysql-check-socket || return 1

        su - $MYUSER -s /bin/bash -c "@libexecdir@/mysql-prepare-db-dir $MYUSER $MYGROUP" || return 4

	# Pass all the options determined above, to ensure consistent behavior.

	# In many cases mysqld_safe would arrive at the same conclusions anyway

	# but we need to be sure.  (An exception is that we don't force the

	# log-error setting, since this script doesn't really depend on that,

	# and some users might prefer to configure logging to syslog.)

	# Note: set --basedir to prevent probes that might trigger SELinux

	# alarms, per bug #547485

	su - $MYUSER -s /bin/bash -c "$exec   --datadir='$datadir' --socket='$socketfile' \

		--pid-file='$pidfile' \

		--basedir=@prefix@ --user=$MYUSER" >/dev/null 2>&1 &

	safe_pid=$!

	# Wait until the daemon is up

        su - $MYUSER -s /bin/bash -c "@libexecdir@/mysql-wait-ready '$safe_pid'"

        ret=$?

	if [ $ret -eq 0 ]; then

	    action $"Starting $prog: " /bin/true

	    chmod o+r $pidfile >/dev/null 2>&1

	    touch $lockfile

	else

	    action $"Starting $prog: " /bin/false

	fi

    fi

    return $ret

}

stop(){

	if [ ! -f "$pidfile" ]; then

	    # not running; per LSB standards this is "ok"

	    action $"Stopping $prog: " /bin/true

	    return 0

	fi

	MYSQLPID=`cat "$pidfile" 2>/dev/null`

	if [ -n "$MYSQLPID" ]; then

	    if ! [ -d "/proc/$MYSQLPID" ] ; then

		# process doesn't run anymore

		action $"Stopping $prog: " /bin/true

		return 0

	    fi

	    /bin/kill "$MYSQLPID" >/dev/null 2>&1

	    ret=$?

	    if [ $ret -eq 0 ]; then

		TIMEOUT="$STOPTIMEOUT"

		while [ $TIMEOUT -gt 0 ]; do

		    /bin/kill -0 "$MYSQLPID" >/dev/null 2>&1 || break

		    sleep 1

		    let TIMEOUT=${TIMEOUT}-1

		done

		if [ $TIMEOUT -eq 0 ]; then

		    echo "Timeout error occurred trying to stop MySQL Daemon."

		    ret=1

		    action $"Stopping $prog: " /bin/false

		else

		    rm -f $lockfile

		    rm -f "$socketfile"

		    action $"Stopping $prog: " /bin/true

		fi

	    else

		# kill command failed, probably insufficient permissions

		action $"Stopping $prog: " /bin/false

		ret=4

	    fi

	else

	    # failed to read pidfile, probably insufficient permissions

	    action $"Stopping $prog: " /bin/false

	    ret=4

	fi

	return $ret

}

restart(){

    stop

    start

}

condrestart(){

    [ -e $lockfile ] && restart || :

}

# See how we were called.

case "$1" in

  start)

    start

    ;;

  stop)

    stop

    ;;

  status)

    status -p "$pidfile" $prog

    ;;

  restart)

    restart

    ;;

  condrestart|try-restart)

    condrestart

    ;;

  reload)

    exit 3

    ;;

  force-reload)

    restart

    ;;

  *)

    echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"

    exit 2

esac

exit $?