#!/bin/sh
# openfire	Stops and starts the Openfire XMPP service.
#
# chkconfig: 2345 99 1
# description: Openfire is an XMPP server.
# 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.
if [ "$(id -u)" != 0 ]; then
	echo "$0" must be run as root
	exit 1
fi

# Get config.
[ -f "/etc/sysconfig/openfire" ] && . /etc/sysconfig/openfire
if [ -f "/etc/init.d/functions" ]; then
  . /etc/init.d/functions
fi

# 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

JAVACMD="${JAVACMD} -Dlog4j.configurationFile=${OPENFIRE_LIB}/log4j2.xml -Dlog4j2.formatMsgNoLookups=true -Djdk.tls.ephemeralDHKeySize=matched -Djsse.SSLEngine.acceptLargeFragments=true -Djava.net.preferIPv6Addresses=system"

# 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

	PID=$(findPID)
	if [ -n "$PID" ]; then
		echo "Openfire is already running."
		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 &" $OPENFIRE_USER
	RETVAL=$?

	echo

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

	sleep 1 # allows prompt to return

	PID=$(findPID)
	echo "$PID" > $OPENFIRE_PIDFILE

	cd $OLD_PWD
}

stop() {
	# Stop daemons.
	echo -n "Shutting down openfire: "
	if [ -f "$OPENFIRE_PIDFILE" ]; then
		killproc -p $OPENFIRE_PIDFILE -d 10
		rm -f $OPENFIRE_PIDFILE
	else
		PID=$(findPID)
		if [ -n "$PID" ]; then
			kill "$PID"
		else
			echo "Openfire is not running."
		fi
	fi
	RETVAL=$?
	echo
	[ $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=$(findPID)
	if [ -n "$PID" ]; then
		echo "openfire is running"
		RETVAL=0
	else
		echo "openfire is not running"
		RETVAL=1
	fi
}

findPID() {
	ps ax --width=1000 | grep openfire | grep startup.jar | awk '{print $1}'
}

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

exit $RETVAL
