#!/bin/sh
#
# /etc/init.d/tomcat5.5 -- startup script for the Tomcat 5 servlet engine
#
# Written by Miquel van Smoorenburg <miquels@cistron.nl>.
# Modified for Debian GNU/Linux	by Ian Murdock <imurdock@gnu.ai.mit.edu>.
# Modified for Tomcat by Stefan Gybas <sgybas@debian.org>.
#
### BEGIN INIT INFO
# Provides:          tomcat
# Required-Start:    $local_fs $remote_fs $network
# Required-Stop:     $local_fs $remote_fs $network
# Should-Start:      $named
# Should-Stop:       $named
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start Tomcat.
# Description:       Start the Tomcat servlet engine.
### END INIT INFO

set -e

PATH=/bin:/usr/bin:/sbin:/usr/sbin
NAME=tomcat6.0
DESC="Tomcat servlet engine"
CATALINA_HOME=/usr/local/tomcat6
DAEMON=$CATALINA_HOME/bin/catalina.sh
DEFAULT=/etc/default/$NAME
MEMORY=512M
STACKSPACE=2048k

. /lib/lsb/init-functions
. /etc/default/rcS

# The following variables can be overwritten in $DEFAULT

# Run Tomcat 5 as this user ID
TOMCAT5_USER=www-data

# The first existing directory is used for JAVA_HOME (if JAVA_HOME is not
# defined in $DEFAULT)
JDK_DIRS="/usr/lib/jvm/java_latest /usr/lib/jvm/java-6-sun /usr/lib/jvm/java-1.5.0-sun /usr/lib/j2sdk1.4-sun /usr/lib/j2sdk1.4-blackdown /usr/lib/j2se/1.4 /usr/lib/j2sdk1.5-sun /usr/lib/j2sdk1.3-sun /usr/lib/j2sdk1.3-blackdown /usr/lib/j2sdk1.5-ibm /usr/lib/j2sdk1.4-ibm /usr/lib/jvm/java-gcj /usr/lib/kaffe"

# Directory for per-instance configuration files and webapps
CATALINA_BASE=$CATALINA_HOME

# Use the Java security manager? (yes/no)
TOMCAT5_SECURITY=no

# Timeout in seconds for the shutdown of all webapps
TOMCAT5_SHUTDOWN=30

# End of variables that can be overwritten in $DEFAULT

# overwrite settings from default file
if [ -f "$DEFAULT" ]; then
	. "$DEFAULT"
fi

test -f $DAEMON || exit 0

[ -z "$TOMCAT5_USER" ] && TOMCAT5_USER=www-data

# Look for the right JVM to use
for jdir in $JDK_DIRS; do
	if [ -r "$jdir/bin/java" -a -z "${JAVA_HOME}" ]; then
		JAVA_HOME_TMP="$jdir"
		# checks for a real JDK like environment, needed to check if 
		# really the java-gcj-compat-dev package is installed
		if [ -r "$jdir/bin/jdb" ]; then
			JAVA_HOME="$JAVA_HOME_TMP"
		fi
	fi
done
export JAVA_HOME

# Set java.awt.headless=true if CATALINA_OPTS is not set so the
# Xalan XSL transformer can work without X11 display on JDK 1.4+
# It also looks like the default heap size of 64M is not enough for most cases
# se the maximum heap size is set to 128M
if [ -z "$CATALINA_OPTS" ]; then
	CATALINA_OPTS="-Djava.awt.headless=true -Xmx${MEMORY} -Xss${STACKSPACE}"
fi

# Set the JSP compiler if set in the tomcat5.5.default file
if [ -n "$JSP_COMPILER" ]; then
	CATALINA_OPTS="$CATALINA_OPTS -Dbuild.compiler=$JSP_COMPILER"
fi

# Define other required variables
CATALINA_PID="$CATALINA_BASE/temp/$NAME.pid"
STARTUP_OPTS=""
if [ "$TOMCAT5_SECURITY" = "yes" ]; then
	STARTUP_OPTS="-security"
fi

# Look for Java Secure Sockets Extension (JSSE) JARs
if [ -z "${JSSE_HOME}" -a -r "${JAVA_HOME}/jre/lib/jsse.jar" ]; then
    JSSE_HOME="${JAVA_HOME}/jre/"
fi

export CATALINA_HOME CATALINA_BASE CATALINA_OPTS CATALINA_PID JSSE_HOME

case "$1" in
  start)
	if [ -z "$JAVA_HOME" ]; then
		log_failure_msg "Not starting Tomcat: no Java Development Kit found."
		exit 1
	fi

	if [ ! -d "$CATALINA_BASE/conf" ]; then
		log_failure_msg "Not starting Tomcat: invalid CATALINA_BASE specified."
		exit 1
	fi

	log_daemon_msg "Starting $DESC" "$NAME"
	if start-stop-daemon --test --start --pidfile "$CATALINA_PID" \
		--user $TOMCAT5_USER --startas "$JAVA_HOME/bin/java" \
		>/dev/null; then

		# Create catalina.policy (for the security manager)
#		rm -f "$CATALINA_BASE/conf/catalina.policy"
#		umask 022
#		echo "// AUTO-GENERATED FILE -- DO NOT EDIT!" \
#			> "$CATALINA_BASE/conf/catalina.policy"
#		echo "// Edit the files in /etc/tomcat5.5/policy.d/ instead" \
#			>> "$CATALINA_BASE/conf/catalina.policy"
#		echo ""  >> "$CATALINA_BASE/conf/catalina.policy"
#		cat /etc/tomcat5.5/policy.d/*.policy \
#			>> "$CATALINA_BASE/conf/catalina.policy"

		# Clean up and set permissions on required files
		rm -rf "$CATALINA_BASE"/temp/* \
			"$CATALINA_BASE/logs/catalina.out"
		mkfifo -m700 "$CATALINA_BASE/logs/catalina.out"
		chown --dereference "$TOMCAT5_USER" "$CATALINA_BASE/conf" \
			"$CATALINA_BASE/conf/tomcat-users.xml" \
			"$CATALINA_BASE/logs" "$CATALINA_BASE/temp" \
			"$CATALINA_BASE/webapps" "$CATALINA_BASE/work" \
			"$CATALINA_BASE/logs/catalina.out" || true

		# Look for rotatelogs/rotatelogs2
		if [ -x /usr/sbin/rotatelogs ]; then
			ROTATELOGS=/usr/sbin/rotatelogs
		else
			ROTATELOGS=/usr/sbin/rotatelogs2
		fi

		# -p preserves the environment (for $JAVA_HOME etc.)
		# -s is required because tomcat5.5's login shell is /bin/false
		su -p -s /bin/sh $TOMCAT5_USER \
				-c "$ROTATELOGS \"$CATALINA_BASE/logs/catalina_%F.log\" 86400" \
				< "$CATALINA_BASE/logs/catalina.out" &
		su -p -s /bin/sh $TOMCAT5_USER \
			-c "\"$DAEMON\" start $STARTUP_OPTS" \
			>> "$CATALINA_BASE/logs/catalina.out" 2>&1
	else
	        log_progress_msg "(already running)"
	fi
	log_end_msg 0
	;;
  stop)
	log_daemon_msg "Stopping $DESC" "$NAME"
        if start-stop-daemon --test --start --pidfile "$CATALINA_PID" \
		--user "$TOMCAT5_USER" --startas "$JAVA_HOME/bin/java" \
		>/dev/null; then
		log_progress_msg "(not running)"
	else
		su -p -s /bin/sh $TOMCAT5_USER -c "\"$DAEMON\" stop" \
			>/dev/null 2>&1 || true
		# Fallback to kill the JVM process in case stopping didn't work
		sleep 1
		while ! start-stop-daemon --test --start \
			--pidfile "$CATALINA_PID" --user "$TOMCAT5_USER" \
			--startas "$JAVA_HOME/bin/java" >/dev/null; do
			sleep 1
			log_progress_msg "."
			TOMCAT5_SHUTDOWN=`expr $TOMCAT5_SHUTDOWN - 1` || true
			if [ $TOMCAT5_SHUTDOWN -le 0 ]; then
				log_progress_msg "(killing)"
				start-stop-daemon --stop --signal 9 --oknodo \
					--quiet --pidfile "$CATALINA_PID" \
					--user "$TOMCAT5_USER"
			fi
		done
		rm -f "$CATALINA_PID" "$CATALINA_BASE/logs/catalina.out"
	fi
	log_end_msg 0
	;;
   status)
        if start-stop-daemon --test --start --pidfile "$CATALINA_PID" \
		--user $TOMCAT5_USER --startas "$JAVA_HOME/bin/java" \
		>/dev/null; then

		if [ -f "$CATALINA_PID" ]; then
		    log_success_msg "$DESC is not running, but pid file exists."
		    exit 1
		else
		    log_success_msg "$DESC is not running."
		    exit 3
		fi
	else
		log_success_msg "$DESC is running with Java pid $CATALINA_PID"
		exit 0
	fi
        ;;
  reload)
	log_failure_msg "Reload is not implemented!"
	exit 3
  	;;
  restart|force-reload)
	$0 stop
	sleep 1
	$0 start
	;;
  *)
	log_success_msg "Usage: $0 {start|stop|restart|force-reload|status}"
	exit 1
	;;
esac

exit 0
