#! /bin/sh
# Copyright (c) 1995-2003 SuSE Linux AG, Nuernberg, Germany.
# All rights reserved.
#
# Author: Petr Mladek
# Please send feedback to http://www.suse.de/feedback/
#
# /etc/init.d/jonas
#   and its symbolic link
# /usr/sbin/rcjonas
#
# LSB compatible service control script; see http://www.linuxbase.org/spec/
# 
### BEGIN INIT INFO
# Provides:          jonas
# Required-Start:    $syslog $remote_fs
# X-UnitedLinux-Should-Start: $named $syslog $time
# Required-Stop:     $syslog $remote_fs
# X-UnitedLinux-Should-Stop: $named $syslog $time
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: Jonas Application Server
# Description:       Start jonas to get the application server conforming to the J2EE specification running.
### END INIT INFO


jonasIsRunning()
{
  jonas_ps_log=`mktemp /var/tmp/jonas-ps.log.XXXXXX`
  ps aux --cols 1024 >"$jonas_ps_log"
  jonas_is_running="false"
  if grep " -Djonas.base=$JONAS_BASE.*org.objectweb.jonas.server.Server" "$jonas_ps_log" >/dev/null 2>/dev/null ; then
    jonas_is_running="true"
  fi
  rm -f "$jonas_ps_log"
  test "$jonas_is_running" = "true"
}


# Check for missing binaries and configuration
# Note: Special treatment of stop for LSB conformance
JONAS_CONFIG=/etc/sysconfig/j2ee
test -r "$JONAS_CONFIG" || { echo "$JONAS_CONFIG not existing";
	if [ "$1" = "stop" ]; then exit 0;
	else exit 6; fi; }

# Read config	
. "$JONAS_CONFIG"

CATALINA_HOME="$CATALINA_HOME"
CATALINA_BASE="$CATALINA_BASE_FOR_JONAS"
JONAS_BIN="$JONAS_ROOT/bin/unix/jonas"
test -x "$JONAS_BIN" || { echo "$JONAS_BIN not installed"; 
	if [ "$1" = "stop" ]; then exit 0;
	else exit 5; fi; }

# defaults JONAS_BASE to JONAS_ROOT
test -n "$JONAS_BASE" || JONAS_BASE="$JONAS_ROOT"
# defaults CATALINA_BASE to JONAS_BASE
test -n "$CATALINA_BASE" || CATALINA_BASE="$JONAS_BASE"

# are the BASEs valid?
test -d "$JONAS_BASE/webapps" || test -L "$JONAS_BASE/webapps" || { echo "$JONAS_BASE/webapps not existing"; 
	if [ "$1" = "stop" ]; then exit 0;
	else exit 6; fi; }

test -d "$CATALINA_BASE/webapps" || test -L "$CATALINA_BASE/webapps" || { echo "$CATALINA_BASE/webapps not existing"; 
	if [ "$1" = "stop" ]; then exit 0;
	else exit 6; fi; }

# the following variables affects the server
export JONAS_ROOT JONAS_BASE CATALINA_HOME CATALINA_BASE

# Source LSB init functions
# providing start_daemon, killproc, pidofproc, 
# log_success_msg, log_failure_msg and log_warning_msg.
# This is currently not used by UnitedLinux based distributions and
# not needed for init scripts for UnitedLinux only. If it is used,
# the functions from rc.status should not be sourced or used.
#. /lib/lsb/init-functions

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     be verbose in local rc status and clear it afterwards
#      rc_status -v -r  ditto and clear both the local and overall rc status
#      rc_status -s     display "skipped" and exit with status 3
#      rc_status -u     display "unused" and exit with status 3
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num>
#      rc_reset         clear both the local and overall rc status
#      rc_exit          exit appropriate to overall rc status
#      rc_active        checks whether a service is activated by symlinks
#      rc_splash arg    sets the boot splash screen to arg (if active)
. /etc/rc.status

# set path to a valid Java SDK
#. setJava --devel --version 1.3

# Reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0	  - success
# 1       - generic or unspecified error
# 2       - invalid or excess argument(s)
# 3       - unimplemented feature (e.g. "reload")
# 4       - user had insufficient privileges
# 5       - program is not installed
# 6       - program is not configured
# 7       - program is not running
# 8--199  - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signaling is not supported) are
# considered a success.

case "$1" in
    start)
	echo -n "Starting jonas ($JONAS_BASE)"
	## Start daemon with startproc(8). If this fails
	## the return value is set appropriately by startproc.

	# NOTE: startproc return 0, even if service is 
	# already running to match LSB spec.
	if jonasIsRunning ; then
	  rc_failed 0
        else
	  # try to fix permissions
	  chown --dereference jonas:jonas "$JONAS_ROOT" "$JONAS_BASE"
	  for dir in "$JONAS_ROOT/apps" \
		     "$JONAS_ROOT/clients" \
		     "$JONAS_ROOT/conf" \
		     "$JONAS_ROOT/ejbjars" \
		     "$JONAS_ROOT/lib" \
		     "$JONAS_ROOT/logs" \
		     "$JONAS_ROOT/rars" \
		     "$JONAS_ROOT/webapps" \
		     "$JONAS_ROOT/work" \
		     "$JONAS_BASE/apps" \
		     "$JONAS_BASE/clients" \
		     "$JONAS_BASE/conf" \
		     "$JONAS_BASE/ejbjars" \
		     "$JONAS_BASE/lib" \
		     "$JONAS_BASE/logs" \
		     "$JONAS_BASE/rars" \
		     "$JONAS_BASE/webapps" \
		     "$JONAS_BASE/work" \
		     "$CATALINA_BASE/conf" \
		     "$CATALINA_BASE/work" ; do
	    # the command true is used because of for example conf directory may be mounted read-only
	    test -d "$dir" && chown -R --dereference jonas:jonas "$dir" 2>/dev/null || true
	  done
	  chown --dereference jonas:jonas "$JONAS_ROOT" "$JONAS_BASE" 2>/dev/null || true
          su jonas -c "$JONAS_BIN start" >"$JONAS_BASE/logs/start.log" 2>&1
          if jonasIsRunning ; then
            rc_failed 0
	  else
	    rc_failed 7
	  fi    
        fi

	# Remember status and be verbose
	rc_status -v
	;;
    stop)
	echo -n "Shutting down jonas ($JONAS_BASE)"
        if ! jonasIsRunning ; then
	  rc_failed 0
	else
	  su jonas -c "$JONAS_BIN stop" >"$JONAS_BASE/logs/stop.log" 2>&1
	  # check the final status
          if jonasIsRunning ; then
	    rc_failed 1
	  else
	    rc_failed 0
	  fi
	fi  
	# Remember status and be verbose
	rc_status -v
	;;
    try-restart|condrestart)
	## Do a restart only if the service was active before.
	## Note: try-restart is now part of LSB (as of 1.9).
	## RH has a similar command named condrestart.
	if test "$1" = "condrestart"; then
		echo "${attn} Use try-restart ${done}(LSB)${attn} rather than condrestart ${warn}(RH)${norm}"
	fi
	$0 status
	if test $? = 0; then
		$0 restart
	else
		rc_reset	# Not running is not a failure.
	fi
	# Remember status and be quiet
	rc_status
	;;
    restart)
	## Stop the service and regardless of whether it was
	## running or not, start it again.
	$0 stop
	$0 start

	# Remember status and be quiet
	rc_status
	;;
    force-reload)
	## Signal the daemon to reload its config. Most daemons
	## do this on signal 1 (SIGHUP).
	## If it does not support it, restart.

	echo -n "Reload service jonas "
	$0 try-restart
	rc_status
	;;
    reload)
	## Like force-reload, but if daemon does not support
	## signaling, do nothing (!)

	rc_failed 3
	rc_status -v
	;;
    status)
	echo -n "Checking for service jonas ($JONAS_BASE)"
	## Check status with checkproc(8), if process is running
	## checkproc will return with exit status 0.

	# Return value is slightly different for the status command:
	# 0 - service up and running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running (unused)
	# 4 - service status unknown :-(
	# 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.)
	
        if jonasIsRunning ; then
          rc_failed 0
	else
	  rc_failed 3
	fi

	# NOTE: rc_status knows that we called this init script with
	# "status" option and adapts its messages accordingly.
	rc_status -v
	;;
    probe)
	## Optional: Probe for the necessity of a reload, print out the
	## argument to this init script which is required for a reload.
	## Note: probe is not (yet) part of LSB (as of 1.9)
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
	exit 1
	;;
esac
rc_exit
