#!/bin/bash

BRMSGW_BASE=${POLICY_HOME}/servers/brmsgw/
COMPONENT=brmsgw
brmsgw_RUNNING="pgrep -f "${BRMSGW_BASE}""

RETVAL=0

function update_monitor() {
	COMPONENT=$1
	STATUS=$2
	if [[ -f ${POLICY_HOME}/etc/monitor/monitor.cfg ]]; then
		/bin/sed -i.bak \
			-e "s/^${COMPONENT}=.*/${COMPONENT}=${STATUS}/g" \
			${POLICY_HOME}/etc/monitor/monitor.cfg	
	fi
}

# unmonitored stop, does not change monitor status (immutable)
function um_stop() {
	pid=$(pgrep -f "${BRMSGW_BASE}" 2> /dev/null)
	kill -9 "${pid}"
	RETVAL=$?
}

function stop() {
	um_stop
	if [[ ${RETVAL} != 0 ]]; then
		update_monitor ${COMPONENT} on
	else
		update_monitor ${COMPONENT} off
	fi	
}

# unmonitored start, does not change monitor status (immutable)
function um_start() {
	unset JMX_JAVA_OPTS JVM_SECURITY 
	JMX_JAVA_OPTS+=("-Dcom.sun.management.jmxremote") 
	JMX_JAVA_OPTS+=("-Dcom.sun.management.jmxremote.port=$BRMSGW_JMX_PORT") 
	JMX_JAVA_OPTS+=("-Dcom.sun.management.jmxremote.ssl=false") 
	JMX_JAVA_OPTS+=("-Dcom.sun.management.jmxremote.authenticate=false") 
	JVM_JAVA_OPTS=("-Xms${COMPONENT_X_MS_MB}M" "-Xmx${COMPONENT_X_MX_MB}M") 
	JVM_SECURITY+=("-Djavax.net.ssl.keyStore=${POLICY_HOME}/etc/ssl/policy-keystore") 
	JVM_SECURITY+=("-Djavax.net.ssl.keyStorePassword=${KEYSTORE_PASSWD}") 
	JVM_SECURITY+=("-Djavax.net.ssl.trustStore=${POLICY_HOME}/etc/ssl/policy-keystore") 
	JVM_SECURITY+=("-Djavax.net.ssl.trustStorePassword=${KEYSTORE_PASSWD}") 
 
	JAVA_OPTS=("${JVM_JAVA_OPTS[@]}" "${JMX_JAVA_OPTS[@]}" "${JVM_SECURITY[@]}") 
 
	cd $POLICY_HOME/servers/brmsgw
	mkdir -p $POLICY_LOGS/policy/brmsgw 2>/dev/null
	nohup $JAVA_HOME/bin/java -jar "${JAVA_OPTS[@]}" $POLICY_HOME/servers/brmsgw/BRMSGateway.jar>> $POLICY_LOGS/policy/brmsgw/brmsgw.log 2>&1 &
	RETVAL=$?
}

function start() {
	um_start
	if [[ ${RETVAL} != 0 ]]; then
		update_monitor ${COMPONENT} off
	else
		update_monitor ${COMPONENT} on
	fi	
}

function status() {
	# check status
	pid=$(pgrep -f "${BRMSGW_BASE}" 2> /dev/null)
	RETVAL=$?
	
	# If the PID was returned means the application is running
	if [ ${RETVAL} -eq 0 ]; then
		echo "running with pid ${pid}"
	else
		echo "stopped"
	fi
}


# main

COMPONENT=$(basename $0)

CONF_FILE="${POLICY_HOME}/servers/${COMPONENT}/config.properties"

# read properties

shopt -s extglob
configfile="dos_or_unix" # set the actual path name of your (DOS or Unix) config file
while IFS='= ' read lhs rhs
do
    if [[ ! $lhs =~ ^\ *# && -n $lhs ]]; then
        rhs="${rhs%%\#*}"    # Del in line right comments
       	 rhs="${rhs%%*( )}"   # Del trailing spaces
        rhs="${rhs%\"*}"     # Del opening string quotes 
       	 rhs="${rhs#\"*}"     # Del closing string quotes
       	 if [[ $lhs != *"."* ]]; then
       	 	declare $lhs="$rhs"
       	 fi
   fi
done < "${CONF_FILE}"


if [ $? -ne 0 ]; then
	echo "error: cannot source configuration ${CONF_FILE}"
	exit 1
fi

case "$1" in
    status)
		status
        ;;
	restart)
		stop
        sleep 2
        start
        ;;
	start)
        start
        ;;
	umstart)
        um_start
        ;;        
	stop)
		stop
        ;;
	umstop)
        um_stop
        ;;            
    *)
        echo "error: invalid option $@"
        RETVAL=1
        ;;
esac

exit ${RETVAL}