#!/bin/bash

### BEGIN INIT INFO
# Provides:          jboss
# Required-Start:    postgresql
# Required-Stop:     postgresql
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: JBoss 5.1 AS
### END INIT INFO

JAVA_HOME=$JAVA_HOME
JBOSS_HOME=/usr/local/jboss
JBOSS_SERVER=gazelle
JBOSS_BIND=0.0.0.0
#JBOSS_PORTS=ports-01
JBOSS_PORTS=ports-default

JBOSS_USER=jboss
JBOSS_CONSOLE=/var/log/jboss/${JBOSS_SERVER}.log

# Increase max memory with Xmx
#JAVA_OPTS="-server -Xms1024m -XX:MaxPermSize=1024m -Xmx2048m"
# use better garbage collector : G1
#JAVA_OPTS="$JAVA_OPTS -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:+DisableExplicitGC"

# next line may improve garbage collector
#JAVA_OPTS="$JAVA_OPTS -XX:NewSize=512m -XX:MaxNewSize=512m -XX:SurvivorRatio=32 -XX:+UseTLAB -XX:TLABSize=256k"
# Optionnal garbage collector logs
# JAVA_OPTS="$JAVA_OPTS -verbose:gc -Xloggc:/var/log/jboss/gc.log"

# debug server
#JAVA_OPTS="$JAVA_OPTS -Xrunjdwp:transport=dt_socket,address=8787,server=y,suspend=n"

start(){

	# if garbage collector logs
	# cp /var/log/jboss/gc.log /var/log/jboss/gc-`date +"%Y-%m-%d-%H-%M-%S"`.log

	su ${JBOSS_USER} -s /bin/sh -c "rm -rf ${JBOSS_HOME}/server/${JBOSS_SERVER}/tmp"
	su ${JBOSS_USER} -s /bin/sh -c "mkdir ${JBOSS_HOME}/server/${JBOSS_SERVER}/tmp"
#	su ${JBOSS_USER} -s /bin/sh -c "rm -rf ${JBOSS_HOME}/server/${JBOSS_SERVER}/log/*"
	su ${JBOSS_USER} -s /bin/sh -c "rm -rf ${JBOSS_HOME}/server/${JBOSS_SERVER}/work/*"
	su ${JBOSS_USER} -s /bin/sh -c "rm -rf ${JBOSS_HOME}/server/${JBOSS_SERVER}/data/wsdl/*"

        CMD="export JAVA_HOME=${JAVA_HOME};export JAVA_OPTS=\"${JAVA_OPTS}\";cd ${JBOSS_HOME};${JBOSS_HOME}/bin/run.sh -c ${JBOSS_SERVER} -b ${JBOSS_BIND} -Djboss.service.binding.set=${JBOSS_PORTS}"

        echo Starting JBoss with: $CMD
        echo Running Jboss as user "${JBOSS_USER}" - log in ${JBOSS_CONSOLE}

        env - su -l ${JBOSS_USER} -s /bin/sh -c "${CMD} > ${JBOSS_CONSOLE} 2>&1 &"
}

stop(){
        export JBOSS_PID=`ps -efl | grep "${JAVA_HOME}" | grep "\-c ${JBOSS_SERVER}" | grep "${JBOSS_BIND}" | awk '{print $4}'`
        # If a JBoss server is running, we stop it
        if [ $JBOSS_PID ]
        then
          echo "Stopping JBoss AS (${JBOSS_SERVER} for user ${JBOSS_USER})... (kill -9 ${JBOSS_PID})"
          su ${JBOSS_USER} -s /bin/sh -c "kill -9 ${JBOSS_PID}"
        else
          echo "JBoss AS ($JBOSS_SERVER for user $JBOSS_USER) is not started"
        fi
}

restart(){
        stop
        sleep 2
        start
}

case "$1" in
        start)
                start
        ;;
        stop)
                stop
        ;;
        restart)
                restart
        ;;
        *)
                echo "Usage: local-jboss {start|stop|restart}"
                exit 1
esac
exit 0