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

emit_ip_up_event()
{
    log_info "Emitting ip-up event for dev=$emit_ip_event_dev local=$emit_ip_event_localv4 remote=$emit_ip_event_remotev4..."
    echo "$emit_ip_event_remotev4" > /var/run/$emit_ip_event_dev.gw
    sh /etc/ppp/ip-up $emit_ip_event_dev /dev/null 0 $emit_ip_event_localv4 $emit_ip_event_remotev4
    log_info "...done"
}

#----------------------------------------------------------------------------
# added hooks for emitting ip-up and ip-down events if necessary
#----------------------------------------------------------------------------
if [ "$ip_up_events" = "no" ]
then
    regexp='^default\>.*\<dev\>[[:space:]]*\([^[:space:]]\+\).*'
    emit_ip_event_dev=$(ip -4 route show | grep "$regexp" | sed -e "s/$regexp/\1/")
    if [ -n "$emit_ip_event_dev" ]
    then
        emit_ip_event_localv4=$(ip -4 addr show dev $emit_ip_event_dev | grep "\<inet\>" | head -n 1 | sed -e 's/^[[:space:]]*inet[[:space:]]\+\([0-9.]\+\).*/\1/')
        regexp='^default\>.*\<via\>[[:space:]]*\([^[:space:]]\+\).*'
        emit_ip_event_remotev4=$(ip -4 route show | grep "$regexp" | sed -e "s/$regexp/\1/")
        if [ -n "$emit_ip_event_remotev4" -a -n "$emit_ip_event_localv4" ]
        then
            begin_script BASE "registering ip-up and ip-down event hooks"
            post_boot_hooks="$post_boot_hooks emit_ip_up_event"
            cat <<-EOF >/var/run/emit-ip-down-event
                colecho "Emitting ip-down event for dev=$emit_ip_event_dev local=$emit_ip_event_localv4 remote=$emit_ip_event_remotev4..." gn
                sh /etc/ppp/ip-down $emit_ip_event_dev /dev/null 0 $emit_ip_event_localv4 $emit_ip_event_remotev4
                colecho "...done" gn
EOF
            pre_shutdown_hooks="$pre_shutdown_hooks /var/run/emit-ip-down-event"
            end_script
        fi
    fi
fi