#!/sbin/runscript
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

opts="save"

depend()
{
    before iptables ip6tables
    use logger
}

checkconfig()
{
    if [ ! -f ${IPSET_SAVE} ] ; then
        eerror "Not starting ${SVCNAME}. First create some rules then run:"
        eerror "/etc/init.d/${SVCNAME} save"
        return 1
    fi
    return 0
}

start()
{
    checkconfig || return 1
    ebegin "Loading ipset session'"
    ipset restore < "${IPSET_SAVE}"
    eend $?
}

stop()
{
    if ! ipset list | gawk '{ if ($1 == "References:") cnt+=$2 }
    END{ if (cnt > 0) exit 1 }'; then
        eerror "ipset is in use, can't stop"
        return 1
    fi

    if [ "${SAVE_ON_STOP}" == "yes" ] ; then
        save || return 1
    fi
    ebegin "Removing kernel IP sets"
    ipset destroy
    eend $?
}

save()
{
    ebegin "Saving ipset session"
    touch "${IPSET_SAVE}"
    chmod 0600 "${IPSET_SAVE}"
    ipset save > "${IPSET_SAVE}"
    eend $?
}