#!/bin/sh

#set -x

# Don't do anything if the network is stopped
if [ ! -f /var/lock/subsys/network ]; then
    exit 0
fi
if [ -f /dev/.in_sysinit ] ; then
    exit 0
fi

source /etc/eni_utils/eni-helper

INTERFACE_CONF_PATH=/etc/sysconfig/network-scripts

if ! eni_log "net.hotplug: enter net.hotplug"; then
    exit 1
fi

. ${INTERFACE_CONF_PATH}/network-functions

if [ "$INTERFACE" == "" ]; then
	eni_log "net.hotplug: interface is null"
	exit 1
fi

case $ACTION in
add|register)

	case $INTERFACE in
		# interfaces that are brought up as a part of configuration
		ppp*|ippp*|isdn*|plip*|lo*|irda*|dummy*|ipsec*|tun*|tap*)
			exit 0
			;;
		# interfaces that are registered then brought up
		*)
			if [ -e /proc/net/vlan/${INTERFACE} ]; then
				exit 0
			fi
			export IN_HOTPLUG=1
			if [ -x /sbin/ifup ]; then
				addr=$(get_hwaddr ${INTERFACE})
				if [ -n "$addr" ]; then
					nconfig=$(get_config_by_hwaddr ${addr})
					[ -n "$nconfig" ] && INTERFACE=$nconfig
				fi
				eni_log "net.hotplug: action $ACTION, interface $INTERFACE"
				eni_log "net.hotplug: exec /sbin/ifup $INTERFACE"
				exec /sbin/ifup $INTERFACE
			fi
			;;
	esac
	;;

remove|unregister)
	case $INTERFACE in
		# interfaces that are brought down as part of deconfiguration
		ppp*|ippp*|isdn*|plip*|lo*|irda*|dummy*|ipsec*|tun*|tap*)
			exit 0
			;;
		*)
			export IN_HOTPLUG=1
			if [ -x /sbin/ifdown ]; then
				eni_log "net.hotplug: action $ACTION, interface $INTERFACE"
				eni_log "net.hotplug: exec /sbin/ifdown $INTERFACE"
				exec /sbin/ifdown $INTERFACE
			fi
			;;
	esac
	;;

*)
	exit 1 ;;

esac

eni_log "net.hotplug: leave net.hotplug"

#set +x