#!/bin/sh
#
# openfire	Stops and starts the Openfire XMPP service.
#
# chkconfig: 2345 99 1
# description: Openfire is an XMPP server, which is a server that facilitates \
#              XML based communication, such as chat.
# config: /opt/openfire/conf/openfire.xml
# config: /etc/sysconfig/openfire
# pidfile: /var/run/openfire.pid
# 
# This script has currently been tested on Redhat, CentOS, and Fedora  based
# systems.
#

#####
# Begin setup work
#####

# Initialization
PATH="/sbin:/bin:/usr/bin:/usr/sbin"
RETVAL=0

# Check that we are root ... so non-root users stop here.
[ "`id -u`" = 0 ] || exit 1

# Get config.
[ -f "/etc/sysconfig/openfire" ] && . /etc/sysconfig/openfire

# If openfire user is not set in sysconfig, set to daemon.
[ -z "$OPENFIRE_USER" ] && OPENFIRE_USER="daemon"

# If pid file path is not set in sysconfig, set to /var/run/openfire.pid.
[ -z "$OPENFIRE_PIDFILE" ] && OPENFIRE_PIDFILE="/var/run/openfire.pid"

# -----------------------------------------------------------------

# If a openfire home variable has not been specified, try to determine it.
if [ -z "$OPENFIRE_HOME" -o ! -d "$OPENFIRE_HOME" ]; then
	if [ -d "/usr/share/openfire" ]; then
		OPENFIRE_HOME="/usr/share/openfire"
	elif [ -d "/usr/local/openfire" ]; then
		OPENFIRE_HOME="/usr/local/openfire"
	elif [ -d "/opt/openfire" ]; then
		OPENFIRE_HOME="/opt/openfire"
	else
		echo "Could not find Openfire installation under /opt, /usr/share, or /usr/local."
		echo "Please specify the Openfire installation location as variable OPENFIRE_HOME"
		echo "in /etc/sysconfig/openfire."
		exit 1
	fi
fi

# If log path is not set in sysconfig, set to $OPENFIRE_HOME/logs.
[ -z "$OPENFIRE_LOGDIR" ] && OPENFIRE_LOGDIR="${OPENFIRE_HOME}/logs"

# Attempt to locate java installation.
if [ -z "$JAVA_HOME" ]; then
	if [ -d "${OPENFIRE_HOME}/jre" ]; then
		JAVA_HOME="${OPENFIRE_HOME}/jre"
	elif [ -d "/etc/alternatives/jre" ]; then
		JAVA_HOME="/etc/alternatives/jre"
	else
		jdks=`ls -r1d /usr/java/j*`
		for jdk in $jdks; do
			if [ -f "${jdk}/bin/java" ]; then
				JAVA_HOME="$jdk"
				break
			fi
		done
	fi
fi
JAVACMD="${JAVA_HOME}/bin/java"

if [ ! -d "$JAVA_HOME" -o ! -x "$JAVACMD" ]; then
	echo "Error: JAVA_HOME is not defined correctly."
	echo "       Can not sure execute $JAVACMD."
	exit 1
fi

# Prepare location of openfire libraries
OPENFIRE_LIB="${OPENFIRE_HOME}/lib"

# Prepare openfire command line
OPENFIRE_OPTS="${OPENFIRE_OPTS} -DopenfireHome=${OPENFIRE_HOME} -Dopenfire.lib.dir=${OPENFIRE_LIB}"

# Prepare local java class path
if [ -z "$LOCALCLASSPATH" ]; then
	LOCALCLASSPATH="${OPENFIRE_LIB}/startup.jar"
else
	LOCALCLASSPATH="${OPENFIRE_LIB}/startup.jar:${LOCALCLASSPATH}"
fi

# Export any necessary variables
export JAVA_HOME JAVACMD

# Lastly, prepare the full command that we are going to run.
OPENFIRE_RUN_CMD="${JAVACMD} -server ${OPENFIRE_OPTS} -classpath \"${LOCALCLASSPATH}\" -jar \"${OPENFIRE_LIB}/startup.jar\""

#####
# End setup work
#####



start() {
	OLD_PWD=`pwd`
	cd $OPENFIRE_LOGDIR

    # Check if the server is already running. We look only for the pid file
    pid=`cat $OPENFIRE_PIDFILE 2>&1`                                       
    if [ "$?" = "0" ]; then                                                
        echo "Openfire is already running. Remove $OPENFIRE_PIDFILE if you know this to be untrue."                                 
        RETVAL=1                                                           
        return                                                             
    fi                                                                     
                                                                           
    # Start daemons.                                                       
    echo -n "Starting openfire: "                                          

	rm -f nohup.out
	su -s /bin/sh -c "nohup $OPENFIRE_RUN_CMD > $OPENFIRE_LOGDIR/nohup.out 2>&1 &" $OPENFIRE_USER
	RETVAL=$?
	PID=`ps ax --width=1000 | grep openfire | grep startup.jar | awk '{print $1}'`

	if [ $RETVAL -eq 0 -a ! -z "$PID" -a ! -z "$OPENFIRE_PIDFILE" ]; then
		echo $PID > $OPENFIRE_PIDFILE
	fi

	echo

	[ $RETVAL -eq 0 -a -d /var/lock/subsys ] && touch /var/lock/subsys/openfire

	sleep 1 # allows prompt to return
	cd $OLD_PWD
}

stop() {
	# Stop daemons.
	echo -n "Shutting down openfire: "

	[ -f "$OPENFIRE_PIDFILE" ] && kill `cat $OPENFIRE_PIDFILE`
	RETVAL=$?
	echo

	[ $RETVAL -eq 0 -a -f "$OPENFIRE_PIDFILE" ] && rm -f $OPENFIRE_PIDFILE
	[ $RETVAL -eq 0 -a -f "/var/lock/subsys/openfire" ] && rm -f /var/lock/subsys/openfire
}

restart() {
	stop
	sleep 10 # give it a few moments to shut down
	start
}

condrestart() {
	[ -e "/var/lock/subsys/openfire" ] && restart
	return 0
}

status() {
	pid=`cat $OPENFIRE_PIDFILE 2>&1`
	if [ "$?" = "1" ]; then
		echo "openfire is not running"
		RETVAL=3
	else 
		ps -p $pid > /dev/null 2>&1
		if [ "$?" = "0" ]; then 
			echo "openfire is running"
			RETVAL=0
		else 
			echo "openfire is not running"
			RETVAL=1
		fi
	fi
}


# Handle how we were called.
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		restart
		;;
	condrestart)
		condrestart
		;;
	reload)
		restart
		;;
	status) 
		status
		;;
	*)
		echo "Usage $0 {start|stop|restart|status|condrestart|reload}"
		RETVAL=1
esac

exit $RETVAL
