#!/bin/sh
#----------------------------------------------------------------------------
# /etc/rc.d/rc990.ipv6
#
# Last Update:  $Id$
#----------------------------------------------------------------------------

emit_ipv6_up_event()
{
    log_info "Emitting ipv6-up event for dev=$emit_ipv6_event_dev prefix=$emit_ipv6_prefix..."
    run-ipv6-updown.sh up $emit_ipv6_event_dev $emit_ipv6_prefix
    log_info "...done"
}

#----------------------------------------------------------------------------
# added hooks for emitting ipv6-up and ipv6-down events if necessary
#----------------------------------------------------------------------------
if [ "$ipv6_up_events" = "no" ]
then
    regexp='^default\>.*\<dev\>[[:space:]]*\([^[:space:]]\+\).*'
    emit_ipv6_event_dev=$(ip -6 route show | grep "$regexp" | sed -e "s/$regexp/\1/")
    if [ -n "$emit_ipv6_event_dev" ]
    then
        local=$(ip -6 addr show dev $emit_ipv6_event_dev | sed -n "s/^.*\<inet6\>[[:space:]]\+\([^ ]\+\).*/\1/p" | head -n 1)
        if [ -n "$local" ]
        then
            begin_script BASE "registering ipv6-up and ipv6-down event hooks"
            local=$(expandv6.sh "$local")
            emit_ipv6_prefix=$(prefixcalc6 "$local")
            post_boot_hooks="$post_boot_hooks emit_ipv6_up_event"
            cat <<-EOF >/var/run/emit-ipv6-down-event
                colecho "Emitting ipv6-down event for dev=$emit_ipv6_event_dev prefix=$emit_ipv6_prefix..." gn
                run-ipv6-updown.sh down $emit_ipv6_event_dev $emit_ipv6_prefix
                colecho "...done" gn
EOF
            pre_shutdown_hooks="$pre_shutdown_hooks /var/run/emit-ipv6-down-event"
            end_script
        fi
    fi
fi