#!/bin/sh
#

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# /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=tomcat5.5
DESC="Tomcat servlet engine"
DAEMON=/usr/bin/jsvc
CATALINA_HOME=/usr/share/$NAME
DEFAULT=/etc/default/$NAME

if [ `id -u` -ne 0 ]; then
	echo "You need root privileges to run this script"
	exit 1
fi
         
# Make sure tomcat is started with system locale
if [ -r /etc/default/locale ]; then
	. /etc/default/locale
	export LANG
fi

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

# The following variables can be overwritten in $DEFAULT

# Run Tomcat 5 as this user ID
TOMCAT5_USER=tomcat55

# Always use sun java
JAVA_HOME=/usr/lib/jvm/java-1.5.0-sun
# Put it into the environment for jsvc
export JAVA_HOME

# Directory for per-instance configuration files and webapps
CATALINA_BASE=/var/lib/$NAME

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

# 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=tomcat55

# Initialize our variables
EXTRACLASS=""
DEFINESET=""
BASESIZE=768

# Only do our stuff on start
if [ "$1" == "start" ] ; then
  # METACARTA: do not start tomcat5 if mid install or mid upgrade
  if [ -e /INSTALL-IN-PROGRESS ]; then
	echo "Not starting $DESC because /INSTALL-IN-PROGRESS"
	exit 0
  fi
  if [ -e /var/run/metacarta/UPGRADE_IN_PROGRESS ]; then
	echo "Not starting $DESC because /var/run/metacarta/UPGRADE_IN_PROGRESS"
	exit 0
  fi

  for webappfile in $(ls -1 /usr/lib/metacarta/java-webapps)
  do
	webappname=$(cat /usr/lib/metacarta/java-webapps/"$webappfile" | tr -d "\n")
	rm -f /var/lib/tomcat5.5/webapps/"$webappname"/WEB-INF/lib/xxx-*
	for filename in $(ls -1 /usr/lib/metacarta/java-environment)
	do
		cp /usr/lib/metacarta/java-environment/"$filename" /var/lib/tomcat5.5/webapps/"$webappname"/WEB-INF/lib/xxx-"$filename"
	done
  done

  # Set specified variables
  for filename in $(ls -1 /usr/lib/metacarta/java-vars)
  do
	export "$filename"=$(cat /usr/lib/metacarta/java-vars/"$filename" | tr -d "\n")
  done

  # Pull together extra jar files into webapps
  for jarfile in $(ls -1 /usr/lib/metacarta/java-common)
  do
    EXTRACLASS="$EXTRACLASS":/usr/lib/metacarta/java-common/"$jarfile"
  done

  # Do extra classpath stuff
  for filename in $(ls -1 /usr/lib/metacarta/java-classpath)
  do
    EXTRACLASS="$EXTRACLASS":$(cat /usr/lib/metacarta/java-classpath/"$filename" | tr -d "\n")
  done

  # Do defines
  for filename in $(ls -1 /usr/lib/metacarta/java-defines)
  do
    TERM=-D"$filename"=$(cat /usr/lib/metacarta/java-defines/"$filename" | tr -d "\n")
    DEFINESET="$DEFINESET $TERM"
  done

  # Find memory base size.  Start with tomcat minimum...
  for filename in $(ls -1 /var/lib/metacarta/tomcat-base-sizes)
  do
    SIZE=$(cat /var/lib/metacarta/tomcat-base-sizes/"$filename" | tr -d "\n")
    if ((SIZE>BASESIZE)); then
      BASESIZE=$SIZE
    fi
  done

  # Add up incremental sizes
  for filename in $(ls -1 /var/lib/metacarta/tomcat-incremental-sizes)
  do
    SIZE=$(cat /var/lib/metacarta/tomcat-incremental-sizes/"$filename" | tr -d "\n")
    BASESIZE=$((BASESIZE+SIZE))
  done
fi

JAVALIBPATH="$JAVA_HOME"/jre/lib/i386/client:"$JAVA_HOME"/jre/lib/i386:"$JAVA_HOME"/lib/i386:/usr/lib
JAVA_OPTS="-XX:HeapDumpPath=/common/metacarta/java-heap-dumps -XX:+HeapDumpOnOutOfMemoryError -Djava.awt.headless=true -Xmx"$BASESIZE"m -Xms256m -XX:NewRatio=1 $DEFINESET -Djava.library.path=$JAVALIBPATH"
JAVA_TMPDIR=/common/metacarta/java-temp-tomcat

# Check if we use gij
gij=no
"$JAVA_HOME/bin/java" -version 2>&1 | grep -q "^gij (GNU libgcj)" && gij=yes

# gij doesn't support a security manager yet (see bug #399595)
if [ "$gij" = "yes" ]; then
    printf "The java-gcj-compat-dev environment currently doesn't\nsupport a security manager. See README.Debian." | logger -p daemon.warning -t $NAME
fi

# Set java.awt.headless=true if JAVA_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 "$JAVA_OPTS" ]; then
	JAVA_OPTS="-Djava.awt.headless=true -Xmx128M"
fi

JAVA_OPTS="$JAVA_OPTS -Djava.endorsed.dirs=$CATALINA_HOME/common/endorsed -Dcatalina.base=$CATALINA_BASE -Dcatalina.home=$CATALINA_HOME -Djava.io.tmpdir=$JAVA_TMPDIR"

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

if [ "$TOMCAT5_SECURITY" = "yes" ]; then
	JAVA_OPTS="$JAVA_OPTS -Djava.security.manager -Djava.security.policy=$CATALINA_BASE/conf/catalina.policy"
fi

# juli LogManager disabled if running under gij (see bug #395167)
if [ "$gij" != "yes" ]; then
        JAVA_OPTS="$JAVA_OPTS -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Djava.util.logging.config.file=$CATALINA_BASE/conf/logging.properties"
fi

# Define other required variables
CATALINA_PID="/var/run/$NAME.pid"
BOOTSTRAP_CLASS=org.apache.catalina.startup.Bootstrap
JSVC_CLASSPATH="/usr/share/java/commons-daemon.jar:$CATALINA_HOME/bin/bootstrap.jar$EXTRACLASS"

# 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 JSSE_HOME

case "$1" in
  start)
	if [ -z "$JAVA_HOME" ]; then
		log_failure_msg "no JDK found - please set JAVA_HOME"
		exit 1
	fi

	if [ ! -d "$CATALINA_BASE/conf" ]; then
		log_failure_msg "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
		find "$JAVA_TMPDIR"/ -mindepth 1 -exec rm -fr {} +
		REQUIRED_FILES='"$CATALINA_BASE/conf"
			"$CATALINA_BASE/logs" "$JAVA_TMPDIR"
			"$CATALINA_BASE/webapps" "$CATALINA_BASE/work"'
		if [ -e "$CATALINA_BASE/conf/tomcat-users.xml" ]; then
			REQUIRED_FILES=$REQUIRED_FILES'
				"$CATALINA_BASE/conf/tomcat-users.xml"'
		fi
		eval chown --dereference "$TOMCAT5_USER" $REQUIRED_FILES \
			|| true

		cd "$JAVA_TMPDIR"

		# Work around debian bug #446827 by telling the
		# linker/loader to look in jre/lib/i386 as we for
		# *.so's.  It is unclear why setting java.library.path
		# isn't sufficient for jre/lib/i386/libawt.so to
		# subsequently load jre/lib/i386/libmlib_image.so
		# (maybe because java.library.path only applies to the
		# initial JNI load and not the subsequent JNI so's),
		# but this appears to be the way a number of people
		# work around this issue so we do it here as well.
		LD_LIBRARY_PATH=$JAVA_HOME/jre/lib/i386/ \
		$DAEMON -user "$TOMCAT5_USER" -cp "$JSVC_CLASSPATH" \
		    -outfile SYSLOG -errfile SYSLOG \
		    -pidfile "$CATALINA_PID" $JAVA_OPTS "$BOOTSTRAP_CLASS" >/dev/null 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
		$DAEMON -cp "$JSVC_CLASSPATH" -pidfile "$CATALINA_PID" \
		     -stop "$BOOTSTRAP_CLASS"
	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."
		else
		    log_success_msg "$DESC is not running."
		fi
	else
		log_success_msg "$DESC is running with pid `cat $CATALINA_PID`"
	fi
        ;;
  restart|force-reload)
        if start-stop-daemon --test --stop --pidfile "$CATALINA_PID" \
		--user $TOMCAT5_USER --startas "$JAVA_HOME/bin/java" \
		>/dev/null; then
		$0 stop
		sleep 1
	fi
	$0 start
	;;
  try-restart)
        if start-stop-daemon --test --start --pidfile "$CATALINA_PID" \
		--user $TOMCAT5_USER --startas "$JAVA_HOME/bin/java" \
		>/dev/null; then
		$0 start
	fi
        ;;
  *)
	log_success_msg "Usage: $0 {start|stop|restart|try-restart|force-reload|status}"
	exit 1
	;;
esac

exit 0