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#!/bin/sh
#
# Written to control varnish daemon for Slackware Linux
# by Cherife Li <cherife@dotimes.com>.
#

VARNISH_VCL_CONF=/etc/varnish/default.vcl
VARNISH_PIDFILE=/var/run/varnish.pid
VARNISH_LOCKFILE=/var/lock/subsys/varnish
VARNISH_DAEMON=/usr/sbin/varnishd
VARNISH_PARAM="-p thread_pool_max=1500 -p thread_pools=5 -p listen_depth=512 -p client_http11=off"

VARNISH_LOG_PIDFILE=/var/run/varnishlog.pid
VARNISH_LOG_LOCKFILE=/var/lock/subsys/varnishlog
VARNISH_LOG_DAEMON=/usr/bin/varnishlog
LOGFILE=/var/log/varnish.log
VARNISH_LOG_OPTS="-a -w ${LOGFILE} -D -P ${VARNISH_LOG_PIDFILE}"

# Default address and port to bind to
# Blank address means all IPv4 and IPv6 interfaces, otherwise specify
# a host name, an IPv4 dotted quad, or an IPv6 address in brackets.
VARNISH_LISTEN_ADDRESS=
VARNISH_LISTEN_PORT=80

# Telnet admin interface listen address and port
VARNISH_ADMIN_LISTEN_ADDRESS=127.0.0.1
VARNISH_ADMIN_LISTEN_PORT=81

# The minimum number of worker threads to start
VARNISH_MIN_THREADS=1

# The Maximum number of worker threads to start
VARNISH_MAX_THREADS=100

# Idle timeout for worker threads
VARNISH_THREAD_TIMEOUT=120

# Cache file location
VARNISH_STORAGE_FILE=/var/lib/varnish_storage.bin

# Cache file size: in bytes, optionally using k / M / G / T suffix,
# or in percentage of available disk space using the % suffix.
VARNISH_STORAGE_SIZE=1G

# Backend storage specification
VARNISH_STORAGE="file,${VARNISH_STORAGE_FILE},${VARNISH_STORAGE_SIZE}"

# Default TTL used when the backend does not specify one
VARNISH_TTL=120

# VARNISH_DAEMON_OPTS is used by the init script.  If you add or remove options, make
# sure you update this section, too.
VARNISH_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} \
              -w ${VARNISH_MIN_THREADS},${VARNISH_MAX_THREADS},${VARNISH_THREAD_TIMEOUT} \
              -u nobody -g nobody \
    	      -P ${VARNISH_PIDFILE} \
              -s ${VARNISH_STORAGE}"

case "$1" in
'start')
	echo -n "Starting varnish daemon..."
	$VARNISH_DAEMON $VARNISH_DAEMON_OPTS $VARNISH_PARAM > /dev/null 2>&1
	$VARNISH_LOG_DAEMON $VARNISH_LOG_OPTS 
	touch $VARNISH_LOCKFILE $VARNISH_LOG_LOCKFILE
	echo
	;;
'stop')
	echo -n "Stopping varnish daemon..."
	kill -9 $(cat $VARNISH_PIDFILE)
	kill -9 $(cat $VARNISH_LOG_PIDFILE)
  	rm -f $VARNISH_PIDFILE $VARNISH_LOG_PIDFILE $VARNISH_LOCKFILE $VARNISH_LOG_LOCKFILE
  	killall varnishd 2> /dev/null
  	echo
	;;
'restart')
  	$0 stop
	sleep 3
	$0 start
  	;;
*)
  	echo "usage $0 {start|stop|restart}"
	exit 1
esac

exit 0