#!/bin/sh
#
# lighttpd	lighttpd Web Server
#
# chkconfig:	345 85 15
# description:	lighttpd is a World Wide Web server.  It is used to serve \
#		HTML files and CGI.
#

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

upstart_controlled

# Get network config
. /etc/sysconfig/network

# Get service config
[ -f /etc/sysconfig/lighttpd ] && . /etc/sysconfig/lighttpd

DAEMON=/usr/sbin/lighttpd
ANGEL_DAEMON=/usr/sbin/lighttpd-angel
CONFIGFILE=/etc/lighttpd/lighttpd.conf

# Check that networking is up.
if is_yes "${NETWORKING}"; then
	if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
		msg_network_down "Lighttpd Web Server"
		exit 1
	fi
else
	exit 0
fi

configtest() {
	# check for deprecated config options that cause bad side effects
	# TODO: should remove the deprecated options in pld after some time being warned out
	local out
	out=$(env SHELL=/bin/sh $DAEMON -f $CONFIGFILE $HTTPD_OPTS -p 2>&1 | grep -oE '(url.rewrite|url.rewrite-final)[[:space:]]')
	if [ -n "$out" ]; then
		# make it unique, format nicely
		out=$(echo "$out" | sort -u | xargs | sed -e 's/ /, /g')
		echo >&2 "WARNING: found deprecated '$out', convert to 'url.rewrite-final' recommented, See http://redmine.lighttpd.net/issues/2379"
	fi

	env SHELL=/bin/sh $DAEMON -t -f $CONFIGFILE $HTTPD_OPTS
}

# wrapper for configtest
checkconfig() {
	local details=${1:-0}

	if [ $details = 1 ]; then
		# run config test and display report (status action)
		show "Checking %s configuration" "Lighttpd Web Server"; busy
		local out
		out=$(configtest 2>&1)
		RETVAL=$?
		if [ $RETVAL = 0 ]; then
			ok
		else
			fail
		fi
		[ "$out" ] && echo >&2 "$out"
	else
		# run config test and abort with nice message if failed
		# (for actions checking status before action).
		configtest >/dev/null 2>&1
		RETVAL=$?
		if [ $RETVAL != 0 ]; then
			show "Checking %s configuration" "Lighttpd Web Server"; fail
			nls 'Configuration test failed. See details with %s "checkconfig"' $0
			exit $RETVAL
		fi
	fi
}

start() {
	# Check if the service is already running?
	if [ -f /var/lock/subsys/lighttpd ]; then
		msg_already_running "Lighttpd Web Server"
		return
	fi

	checkconfig
	msg_starting "Lighttpd Web Server"; busy
	if is_yes "${LIGHT_ANGEL}"; then
		daemon --fork --pidfile /var/run/lighttpd-angel.pid --makepid \
			env SHELL=/bin/sh $ANGEL_DAEMON -D -f $CONFIGFILE $HTTPD_OPTS

	else
		env SHELL=/bin/sh $DAEMON -f $CONFIGFILE $HTTPD_OPTS
	fi
	RETVAL=$?
	if [ $RETVAL -eq 0 ]; then
		ok
		touch /var/lock/subsys/lighttpd
	else
		fail
	fi
}

stop() {
	# Stop daemons.
	if [ ! -f /var/lock/subsys/lighttpd ]; then
		msg_not_running "Lighttpd Web Server"
		return
	fi

	msg_stopping "Lighttpd Web Server"
	killproc --pidfile /var/run/lighttpd.pid lighttpd
	rm -f /var/lock/subsys/lighttpd >/dev/null 2>&1
	rm -f /var/run/lighttpd*.pid >/dev/null 2>&1
}

restart() {
	local pid

	# short circuit to safe reload if pid exists and is alive
	if is_yes "${LIGHT_ANGEL}"; then
		if [ -f /var/lock/subsys/lighttpd ] && pid=$(pidofproc lighttpd-angel lighttpd-angel.pid) && checkpid $pid; then
			reload
			return
		fi
	else
		if [ -f /var/lock/subsys/lighttpd ] && pid=$(pidofproc lighttpd lighttpd.pid) && checkpid $pid; then
			reload
			return
		fi
	fi

	checkconfig
	stop
	start
}

reload() {
	# TODO: check if process is running. Start it in this case.
	if [ ! -f /var/lock/subsys/lighttpd ]; then
		msg_not_running "Lighttpd Web Server"
		RETVAL=7
		return
	fi

	checkconfig 1
	msg_reloading "Lighttpd Web Server"

	if is_yes "${LIGHT_ANGEL}"; then
		# sending HUP signal to angel will make lighttpd close all listening
		# sockets and wait for client connections to terminate. After that new
		# child will be started
		killproc lighttpd-angel -HUP
	else
		# sending INT signal will make lighttpd close all listening sockets and
		# wait for client connections to terminate.
		killproc --pidfile /var/run/lighttpd.pid lighttpd -INT
		env SHELL=/bin/sh lighttpd -f $CONFIGFILE $HTTPD_OPTS
	fi
	RETVAL=$?
}

condrestart() {
	if [ ! -f /var/lock/subsys/lighttpd ]; then
		msg_not_running "Lighttpd Web Server"
		RETVAL=$1
		return
	fi

	checkconfig
	stop
	start
}

flush-logs() {
	if [ ! -f /var/lock/subsys/lighttpd ]; then
		msg_not_running "Lighttpd Web Server"
		RETVAL=7
		return
	fi

	show "Rotating %s logs" lighttpd
	# send HUP to main lighttpd (not angel) process to rotate logs:
	killproc --pidfile /var/run/lighttpd.pid lighttpd -HUP
	RETVAL=$?
}

RETVAL=0
# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  restart)
	restart
	;;
  try-restart)
	condrestart 0
	;;
  reload|force-reload|graceful)
	reload
	;;
  flush-logs)
	flush-logs
	;;
  checkconfig|configtest)
	checkconfig 1
	;;
  show-config)
	env SHELL=/bin/sh $DAEMON -p -f $CONFIGFILE $HTTPD_OPTS
	;;
  status)
	if is_yes "${LIGHT_ANGEL}"; then
		status lighttpd-angel || RETVAL=$?
	fi
	status lighttpd || RETVAL=$?
	;;
  *)
	msg_usage "$0 {start|stop|restart|reload|force-reload|graceful|configtest|flush-logs|show-config|status}"
	exit 3
	;;
esac

exit $RETVAL