#!/bin/sh
# Zope 3
#
# chkconfig: 345 90 10
# description: Starts and stops the Zope instances
#
#


# Source function library.
. /etc/rc.d/init.d/functions

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
if is_yes "${NETWORKING}"; then
	if [ ! -f /var/lock/subsys/network ]; then
		msg_network_down "Zope 3"
		exit 1
	fi
else
	exit 0
fi

# Zope settings.
INSTANCES="main"
[ -f /etc/sysconfig/zope3 ] && . /etc/sysconfig/zope3

zope_ctl()
{
	message="$1"
	instance_home="$2"
	action="$3"
	errors=""
	typeset -i exit_code=0
	
	show "$message"; busy
	if ! cd "$instance_home/var" 2>/dev/null ; then
		fail
		log_failes "$message"
		exit_code=1
		errors="Cannot chdir to $instance_home/var"
	elif errors=$(initlog -c "su -s/bin/sh zope -c \"$instance_home/bin/zopectl $action\"" 2>&1) ; then
		ok
		log_success "$message"
	else
		fail
		log_failed "$message"
		exit_code=1
	fi
	[ -n "$errors" ] && [ $exit_code -eq 1 ] && echo "$errors"
	return $exit_code
}

start_instances()
{
    RETVAL=1
    for INSTANCE_NAME in $INSTANCES
    do
	INSTANCE_HOME="/var/lib/zope3/$INSTANCE_NAME"

	if [ -f /var/lock/subsys/"zope3-$INSTANCE_NAME" ]; then
		msg_already_running "Zope 3 instance $INSTANCE_NAME"
		continue	
	fi

	zope_ctl "Starting Zope instance $INSTANCE_NAME" "$INSTANCE_HOME" start
	RET=$?
	if [ $RET -eq 0 ]; then
		touch /var/lock/subsys/"zope3-$INSTANCE_NAME"
		RETVAL=0
	fi
    done
    return $RETVAL
}

stop_instances()
{
    RETVAL=1
    for INSTANCE_NAME in $INSTANCES
    do
	INSTANCE_HOME="/var/lib/zope3/$INSTANCE_NAME"

	if [ ! -f /var/lock/subsys/"zope3-$INSTANCE_NAME" ]; then
		msg_not_running "Zope 3 instance $INSTANCE_NAME"
		continue	
	fi
	
	zope_ctl "Stopping Zope instance $INSTANCE_NAME" "$INSTANCE_HOME" stop

	RET=$?
	if [ $RET -eq 0 ]; then
		RETVAL=0
	fi
	rm -f /var/lock/subsys/"zope3-$INSTANCE_NAME"
    done
    return $RETVAL
}

stat_instances()
{
    for INSTANCE_NAME in $INSTANCES
    do
    	INSTANCE_HOME=/var/lib/zope3/"$INSTANCE_NAME"
	echo -n "$INSTANCE_NAME: "
	cd "$INSTANCE_HOME/var" && "$INSTANCE_HOME"/bin/zopectl status
    done
}

# See how we were called.
case "$1" in
  start)
  		msg_starting "Zope 3"
		started
		start_instances
		RETVAL=$?
		if [ "$RETVAL" = 0 ] ; then
			msg_starting "Zope 3"
			ok
			touch /var/lock/subsys/zope
		else
			msg_starting "Zope 3"
			fail
		fi
	;;
  stop)
	if [ -f /var/lock/subsys/zope ]; then
        	msg_stopping "Zope 3"
		started
		stop_instances
		RETVAL=$?
		if [ "$RETVAL" = 0 ] ; then
			msg_stopping "Zope 3"
			ok
		else
			msg_stopping "Zope 3"
			fail
		fi
        	rm -f /var/lock/subsys/zope >/dev/null 2>&1
        else
	        msg_not_running "Zope 3"
                exit 1
        fi
	;;
  status)
	stat_instances
	;;
  restart|force-reload)
	$0 stop
	$0 start
	exit $?
	;;
  *)
	msg_usage "$0 {start|stop|restart|force-reload|status}"
	exit 3
	;;
esac

exit $RETVAL