#!/bin/sh
#
# varnish	Control the varnish HTTP accelerator
#
# chkconfig: 345 90 10
# description: HTTP accelerator
# processname: varnishd
# config: /etc/varnish.conf
# pidfile: /var/run/varnish/varnishd.pid

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

# Get network config
. /etc/sysconfig/network

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

# 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 "Varnish HTTP accelerator"
		exit 1
	fi
else
	exit 0
fi

start() {
	if [ -f /var/lock/subsys/varnish ]; then
		msg_already_running "Varnish HTTP accelerator"
		return
	fi

	# default limits
	SERVICE_LIMITS="${SERVICE_LIMIS:--n $NFILES -l $MEMLOCK}"

	# DAEMON_OPTS is used by the init script.  If you add or remove options, make
	# sure you update this section, too.
	DAEMON_OPTS="-a ${VARNISH_LISTEN_ADDRESS}:${VARNISH_LISTEN_PORT} \
				 -f ${VARNISH_VCL_CONF} \
				 -T ${VARNISH_ADMIN_LISTEN_ADDRESS}:${VARNISH_ADMIN_LISTEN_PORT} \
				 -t ${VARNISH_TTL} \
				 -u ${VARNISH_USER} -g ${VARNISH_GROUP} \
				 -w ${VARNISH_MIN_THREADS},${VARNISH_MAX_THREADS},${VARNISH_THREAD_TIMEOUT} \
				 -n ${VARNISH_NAME} \
				 -s ${VARNISH_STORAGE}"

	msg_starting "Varnish HTTP accelerator"
	daemon /usr/sbin/varnishd $DAEMON_OPTS $VARNISH_OPTS
	RETVAL=$?
	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/varnish
}

stop() {
	if [ ! -f /var/lock/subsys/varnish ]; then
		msg_not_running "Varnish HTTP accelerator"
		return
	fi

	msg_stopping "Varnish HTTP accelerator"
	killproc /usr/sbin/varnishd
	rm -f /var/lock/subsys/varnish
}

condrestart() {
	if [ ! -f /var/lock/subsys/varnish ]; then
		msg_not_running "Varnish HTTP accelerator"
		RETVAL=$1
		return
	fi

	stop
	start
}

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

exit $RETVAL