#!/bin/bash
# chkconfig: 345 22 78
# description: Tomcat/Lucee Control Script

### BEGIN INIT INFO
# Provides:          lucee_ctl
# Required-Start:    $network 
# Required-Stop:     $network 
# Default-Start:     2 3 4 5
# Default-Stop:      0
# Short-Description: Tomcat/Lucee Control Script
# Description:       This is the control script that starts and stops Tomcat which contains a global install of the Lucee servlet.
### END INIT INFO

# switch the subshell to the tomcat directory so that any relative
# paths specified in any configs are interpreted from this directory.
cd /opt/lucee/tomcat/

# set base params for subshell
CATALINA_BASE=/opt/lucee/tomcat; export CATALINA_BASE
CATALINA_HOME=/opt/lucee/tomcat; export CATALINA_HOME
CATALINA_PID=/opt/lucee/tomcat/work/tomcat.pid; export CATALINA_PID
CATALINA_TMPDIR=/opt/lucee/tomcat/temp; export CATALINA_TMPDIR
JRE_HOME=/usr/lib/jvm/java-21-amazon-corretto.x86_64; export JRE_HOME
JAVA_HOME=/usr/lib/jvm/java-21-amazon-corretto.x86_64; export JAVA_HOME
TOMCAT_OWNER=root; export TOMCAT_OWNER

findpid() {
	PID_FOUND=0
	if [ -f "$CATALINA_PID" ] ; then
                PIDNUMBER=`cat "$CATALINA_PID"`
                TEST_RUNNING=`ps -p ${PIDNUMBER} | grep ${PIDNUMBER} | grep java`
	        if [ ! -z "${TEST_RUNNING}" ]; then 
			# PID is found and running
			PID_FOUND=1
		fi
	fi
}

start() {
        echo -n " * Starting Lucee: "
        findpid
	# only actually run the start command if the PID isn't found
	if [ $PID_FOUND -eq 0 ] ; then
		su -p -s /bin/sh $TOMCAT_OWNER $CATALINA_HOME/bin/startup.sh
		COUNT=0
		while [ $COUNT -lt 3 ] ; do
			COUNT=$(($COUNT+1))
			echo -n ". "
			sleep 1
		done
		echo "[DONE]"
	        echo "--------------------------------------------------------"
	        echo "It may take a few moments for Lucee to start processing"
	        echo "CFML templates. This is normal."
	        echo "--------------------------------------------------------"
	else
		echo "[ALREADY RUNNING]"
	fi
}

stop() {
        echo -n " * Shutting down Lucee: "
	findpid
	if [ $PID_FOUND -eq 1 ] ; then
        	su -p -s /bin/sh $TOMCAT_OWNER $CATALINA_HOME/bin/shutdown.sh 10 &
		COUNT=0
        	while [ $PID_FOUND -eq 1 ] ; do
			findpid
			COUNT=$(($COUNT+1))
			if [ $COUNT -gt 10 ] ; then
				break
			fi
			echo -n ". "
			# pause while we wait to try again
			sleep 1
		done
		findpid
		if [ $PID_FOUND -eq 1 ] ; then
			echo "[FAIL]"
			echo " * The Tomcat/Lucee process is not responding. Forcing shutdown..."
			forcequit
		else
			echo "[DONE]"
		fi
	elif [ ! -f $CATALINA_PID ] ; then
		# if the pid file doesn't exist, just say "okay"
		echo "[DONE]"
	else
		echo "[Cannot locate Tomcat PID (`cat $CATALINA_PID`) ]"
		echo "--------------------------------------------------------"
	        echo "If the Tomcat process is still running, either kill the"
       	echo "PID directly or use the 'killall' command."
		echo "IE: # killall java"
        	echo "--------------------------------------------------------"
	fi
}

forcequit() {
        echo -n " * Forcing Lucee Shutdown: "
	findpid
	if [ $PID_FOUND -eq 1 ] ; then
		# if the PID is still running, force it to die
	        # su -p -s /bin/sh $TOMCAT_OWNER /bin/shutdown.sh -force
		kill -9 $PIDNUMBER
		rm -rf $CATALINA_PID
	        echo "[DONE]"
	else
		# there is no PID, tell the user.
		echo "[FAIL]"
                echo "--------------------------------------------------------"
                echo "No Tomcat PID found. If the Tomcat process is still"
                echo "active under a different PID, please kill it manually."
                echo "--------------------------------------------------------"
	fi
}

status() {
	findpid
	if [ $PID_FOUND -eq 1 ] ; then
		echo " * Lucee/Tomcat is running (PID: $PIDNUMBER)"
	else
		echo " * PID not found."
	fi
}

case "$1" in
  start)
        start
        ;;
  stop)
        stop
        ;;
  forcequit)
	forcequit
	;;
  restart)
        stop
        sleep 5
        start
        ;;
  status)
	status
	;;
  *)
        echo " * Usage: $0 {start|stop|restart|forcequit|status}"
        exit 1
        ;;
esac

exit 0