#!/bin/sh
#
# hhvm-fcgi -- startup script for HHVM FastCGI
#
# chkconfig:	345 80 20
#
# description:  Starts The HHVM FastCGI Daemon
# processname:	hhvm-fcgi
# config:	/etc/hhvm/server.hdf
# pidfile:	/var/run/hhvm/hhvm-fcgi.pid
#

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

# Get network config
. /etc/sysconfig/network

# 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 "HHVM FastCGI Daemon"
		exit 1
	fi
else
	exit 0
fi

# Set defaults
# Default values. This values can be overwritten in '/etc/sysconfig/hhvm-fcgi'
DAEMON="/usr/bin/hhvm"
NAME="hhvm"
CONFIG_FILE="/etc/hhvm/server.hdf"
RUN_AS_USER="http"
LISTEN_PORT="9000"
ADDITIONAL_ARGS=""

# Get service config - may override defaults
[ -f /etc/sysconfig/hhvm-fcgi ] && . /etc/sysconfig/hhvm-fcgi

PIDFILE="/var/run/hhvm/hhvm-fcgi.pid"
DAEMON_ARGS="--config ${CONFIG_FILE} \
--user ${RUN_AS_USER} \
--mode daemon \
-vServer.Type=fastcgi \
-vServer.Port=${LISTEN_PORT} \
-vPidFile=${PIDFILE} \
${ADDITIONAL_ARGS}"

# configtest itself
# must return non-zero if check failed
# output is discarded if checkconfig is ran without details
configtest() {
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test
}

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

	if [ $details = 1 ]; then
		# run config test and display report (status action)
		show "Checking %s configuration" "HHVM FastCGI Daemon"; busy
		local out
		out=$(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" "HHVM FastCGI Daemon"; 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/hhvm-fcgi ]; then
		msg_already_running "HHVM FastCGI Daemon"
		return
	fi

	checkconfig
	msg_starting "HHVM FastCGI Daemon"
	daemon --pidfile $PIDFILE $DAEMON $DAEMON_ARGS
	RETVAL=$?
	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/hhvm-fcgi
}

stop() {
	if [ ! -f /var/lock/subsys/hhvm-fcgi ]; then
		msg_not_running "HHVM FastCGI Daemon"
		return
	fi

	# Stop daemons.
	msg_stopping "HHVM FastCGI Daemon"
	killproc --pidfile $PIDFILE $NAME -TERM
	RETVAL=$?
	rm -f /var/lock/subsys/hhvm-fcgi
}

condrestart() {
	if [ ! -f /var/lock/subsys/hhvm-fcgi ]; then
		msg_not_running "HHVM FastCGI Daemon"
		RETVAL=$1
		return
	fi

	checkconfig
	stop
	start
}

RETVAL=0
# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  restart)
	checkconfig
	stop
	start
	;;
  try-restart)
	condrestart 0
	;;
  force-reload)
	condrestart 7
	;;
  checkconfig|configtest)
	checkconfig 1
	;;
  status)
	status --pidfile $PIDFILE hhvm-fcgi hhvm
	RETVAL=$?
	;;
  *)
	msg_usage "$0 {start|stop|restart|try-restart|reload|force-reload|checkconfig|status}"
	exit 3
esac

exit $RETVAL