#!/sbin/openrc-run
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

depend() {
	need localmount
	use logger
}

checkxattr() {
	local testpath testfile ret
	# SELinux requires xattrs, so we can assume things work already
	[ -f /sys/fs/selinux/status ] && return 0;
	testpath=$(awk '/^[[:space:]]*dir/ {print $2}' /etc/cachefilesd.conf)
	checkpath -d "${testpath}"
	testfile="${testpath}/.tmp-xattr-test.cachefilesd"
	touch "${testfile}"
	# creates a file in the testpath and tries to set an attribute on it to check
	# if the support is available 
	attr -s test -V xattr "${testfile}" 2>&1 > /dev/null
	ret=$?
	rm -f "${testfile}"
	[ ${ret} -ne 0 ] && eerror "xattr support missing on the ${testpath} filesystem"
	return ${ret}
}

start() {
	ebegin "Starting cachefilesd"
	checkxattr || return $? 
	# check if the cachefiles modules is loaded (or builtin)
	if [ ! -c /dev/cachefiles ] ; then
		local ret
		einfo "/dev/cachefiles doesn't exist, trying to modprobe cachefiles"
		modprobe cachefiles
		ret=$?
		if [ $ret -ne 0 ] ; then
			eerror "cachefiles modules cannot be loaded so cachefilesd "
			eerror 	"cannot be started, aborting. Did you build fscache in your "
			eerror	"kernel? Note that you need a 2.6.30 or better kernel"
			return $ret
		fi
	fi

	start-stop-daemon --start --pidfile /run/cachefilesd.pid --exec /sbin/cachefilesd -- ${OPTIONS}
	eend $? "Failed to start cachefilesd. Check the system log to see the error"

}

stop() {
	ebegin "Stopping cachefilesd"
	start-stop-daemon --stop --exec /sbin/cachefilesd --pidfile /run/cachefilesd.pid
	eend $? "Failed to stop cachefilesd"
}