#!/bin/sh
#----------------------------------------------------------------------------
# /etc/ppp/link-down - called whenever a bundle link goes offline
#
# Input:
#   $1 = interface
#   $2 = circuit name
#   $3 = 1 if multilink master goes offline, 0 otherwise
#
# Last Update:     $Id$
#----------------------------------------------------------------------------

. /etc/boot.d/networking.inc

script_name="link-down"
script="$script_name[$$]"
facility=$circuit_logfacility
logmsgprio=$facility.notice
. /usr/share/logfunc.sh

export PATH=/usr/local/sbin:/usr/sbin:/sbin:/usr/local/bin:/usr/bin:/bin

interface=$1
circ_id=$2

{

# map link circuit to bundle
BUNDLE=$(bundle_map_link_to_bundle $circ_id)
if [ -n "$BUNDLE" ]
then
    echo "bundle link $circ_id[$interface] goes down"

    # assume that we need not force circuit hangup
    circ_force_hangup=
    circ_master=$(bundle_map_bundle_to_master "$BUNDLE")

    # Call all custom link-downs
    for j in /etc/ppp/link-down[0-9][0-9][0-9].*
    do
        if [ -f $j ]
        then
            echo "executing $j"
            . $j
        fi
    done

    # deregister link
    bundle_deregister_link $circ_id
    # decrease reference count if we are the master circuit of this bundle
    [ "$circ_master" = $circ_id ] && bundle_deref_master $circ_master >/dev/null

    # link is offline
    circuit_event_id=$circ_id \
    down_link_circuit_event_force_hangup=$circ_force_hangup \
        mom_unicast_message circd down_link_circuit_event >/dev/null
fi

} 2>&1 | logmsg "$script" $logmsgprio