#!/bin/sh
#
# orion:       Orion Application Server
#
# description: Orion is an enterprise level J2EE application \
#              server. www.orionserver.com
#
# This script comes with no guarantees of anything.
# Check www.orionsupport.com for latest version.
# Joe Walnes - joe at truemesh.com

# Paths
JAVA_HOME=/usr/local/java
ORION_HOME=/opt/orion

# *nix user orion should run as
ORION_USER=orion

# Orion RMI administrator settings
ADMIN_USER=admin
ADMIN_PASSWORD=123
ADMIN_ORMI=ormi://localhost

# Enable /etc/rc.d/init.d/functions style color
COLOR=true

####################################################################
# Do not edit anything below this, unless you want to of course :) #
####################################################################

if [ "$COLOR" = "true" ]; then
	RES_COL=60
	MOVE_TO_COL="echo -en \\033[${RES_COL}G"
	SETCOLOR_SUCCESS="echo -en \\033[1;32m"
	SETCOLOR_FAILURE="echo -en \\033[1;31m"
	SETCOLOR_WARNING="echo -en \\033[1;33m"
	SETCOLOR_NORMAL="echo -en \\033[0;39m"
else
	MOVE_TO_COL=""
	SETCOLOR_SUCCESS=""
	SETCOLOR_FAILURE=""
	SETCOLOR_WARNING=""
	SETCOLOR_NORMAL=""
fi

## Execute admin.jar
orionadmin() {
	echo `\
		cd $ORION_HOME &&  \
		$JAVA_HOME/bin/java \
		 -jar $ORION_HOME/admin.jar \
		$ADMIN_ORMI $ADMIN_USER $ADMIN_PASSWORD \
		$@ \
		2>&1`
}

## Echo PID of Orion (or 0 if not running)
orionpid() {
	if [ -f $ORION_HOME/orion.pid ]; then
		if [ -n "`cat $ORION_HOME/orion.pid | xargs ps -h`" ]; then
			cat $ORION_HOME/orion.pid
			return
		fi
	fi
	echo -n 0
}

## Start Orion
startorion() {
	echo -n "Starting Orion Application Server:"
	if [ "$USER" != "$ORION_USER" ]; then
		echoresult FAILED "Only users root or $ORION_USER should start the server"
		return 1
	fi
	if [ "`orionpid`" != "0" ]; then
		echoresult FAILED "An instance of Orion is already running"
		return 1
	fi
	## All clear
	cd $ORION_HOME
	umask 007
	$JAVA_HOME/bin/java \
		-jar orion.jar \
		-config $ORION_HOME/config/server.xml \
		-out $ORION_HOME/log/server-out.log \
		-err $ORION_HOME/log/server-err.log \
		&
	echo -n $! > $ORION_HOME/orion.pid
	echoresult OK
	return 0
}

stoporion() {
	admincontrol "-shutdown" "Stopping Orion Application Server:"
}

reloadorion() {
	admincontrol "-restart" "Reloading Orion Application Server:"
}

killorion() {
	echo -n "Killing Orion Application Server:"
	OP=`orionpid`
	if [ $OP != "0" ]; then
		kill -9 $OP
		echoresult OK
		return 0
	else
		echoresult FAILED "Cannot determine Orion pid"
		return 1
	fi
}

stopkillorion() {
	stoporion
	if [ "$?" != "0" ]; then
		killorion
	fi
}

admincontrol() {
	echo -n "$2"
	OA=`orionadmin $1`
	if [ -z "$OA" ]; then
		echoresult OK
	else
		CR=`echo "$OA" | grep "Connection refused"`
		if [ -n "$CR" ]; then
			echoresult FAILED "No instance of Orion is running"
		else
			echoresult FAILED "$OA"
		fi
		return 1
	fi
}

## Echo result message
echoresult() {
	echo -n " "
	$MOVE_TO_COL
	echo -n "[  "
	case "$1" in
		'OK')
			$SETCOLOR_SUCCESS
		;;
		'FAILED')
			$SETCOLOR_FAILURE
		;;
		*)
			$SETCOLOR_WARNING
		;;
	esac
	echo -n $1
	$SETCOLOR_NORMAL
	echo "  ]"
	shift
	if [ "$#" != "0" ] ; then echo "$1" ; fi
}

## Show help message
showhelp() {

	cat <<EOF
Usage: $0 {start|stop|kill|restart|reload|status|update|help}

	start	: Start server
	stop	: Stop server normally
	kill	: Terminate server (kill -9)
	restart	: Stop (or terminate) server and restart
	reload	: Reload server
	status	: Check status of server
	update	: Auto-update server to latest version
	help	: ermmm..

This script comes with no guarantees of anything.
Check www.orionsupport.com for latest version.
Joe Walnes - joe at truemesh.com
EOF

}

# If root is running this script, su to $ORION_USER first
if [ "$UID" = "0" ]; then
	exec su - $ORION_USER -c "$0 $1"
fi

case "$1" in

	'start')
		startorion
	;;

	'stop')
		stoporion
	;;

	'reload')
		reloadorion
	;;

	'kill')
		killorion
	;;

	'restart')
		stopkillorion
		startorion
	;;

	'status')
		OP=`orionpid`
		if [ $OP == "0" ]; then
			echo "orion is stopped"
			exit 1
		else
			echo "orion (pid $OP) is running..."
			exit 0
		fi
	;;

	'help'|'-help'|'--help'|'h'|'-h'|'?'|'-?')
		showhelp
		exit 1
	;;

	'update')
		stopkillorion
		cd $ORION_HOME
		$JAVA_HOME/bin/java -jar autoupdate.jar
		startorion
	;;

	*)
		echo "Usage: $0 {start|stop|kill|restart|reload|status|update|help}"
		exit 1
	;;

esac

exit $?