--- elwix/config/etc/default/rc.d/009.aggr_dev.stop	2013/01/23 12:49:12	1.1
+++ elwix/config/etc/default/rc.d/009.aggr_dev.stop	2013/01/28 01:47:36	1.2
@@ -0,0 +1,140 @@
+#!/bin/sh
+#
+# (C)`13 ELWIX network aggregation device appliance
+#	by Michael Pounov <misho@elwix.org>
+#
+# $Id: 009.aggr_dev.stop,v 1.2 2013/01/28 01:47:36 misho Exp $
+
+IFACES=""
+LANPORT=""
+BRIDGE=""
+LAGG=""
+LAGGPORTS=""
+
+CLEANUP_FILE="/tmp/cleanup.agg"
+
+select_eth()
+{
+	local RETIF=""
+
+	IFACES=$(ifconfig -l)
+
+	for i in $IFACES; do
+		ISETH=$(ifconfig $i | grep "ether")
+		if [ -n "$ISETH" ]; then
+			RETIF="$RETIF $i"
+		fi
+	done
+
+	IFACES=$RETIF
+}
+
+cleanup()
+{
+	echo ">> Emergency destroy clones ..."
+	ifconfig $BRIDGE destroy >/dev/null 2>&1
+	ifconfig $LAGG destroy >/dev/null 2>&1
+	rm -f $CLEANUP_FILE
+}
+
+up_lan()
+{
+	echo "+ Up lan port $1"
+	if ! `ifconfig $1 description "LAN port" up`; then
+		exit 1
+	else
+		LANPORT=$1
+	fi
+}
+
+up_others()
+{
+	if [ $# -lt 2 ]; then
+		echo "Error:: Not enough ethernet interfaces for aggregation!"
+		exit 2
+	else
+		shift
+		LAGGPORTS=$*
+	fi
+
+	for i in $LAGGPORTS; do
+		echo "+ Up aggregation port $i"
+		if ! `ifconfig $i description "Aggregation port" up`; then
+			exit 2
+		fi
+	done
+}
+
+bring_clones()
+{
+	rm -f $CLEANUP_FILE
+
+	BRIDGE=$(ifconfig bridge create up)
+	if [ -z "$BRIDGE" ]; then
+		exit 3
+	else
+		echo "+ Create link-bridge interface $BRIDGE"
+		echo $BRIDGE >>/tmp/cleanup.agg
+	fi
+
+	LAGG=$(ifconfig lagg create laggproto roundrobin up)
+	if [ -z "$LAGG" ]; then
+		ifconfig $BRIDGE destroy >/dev/null 2>&1
+		rm -f $CLEANUP_FILE
+		exit 3
+	else
+		echo "+ Create link-aggregation interface $LAGG"
+		echo $LAGG >>/tmp/cleanup.agg
+	fi
+}
+
+join2lagg()
+{
+	echo "+ Join to aggregation interface $LAGG ports $LAGGPORTS"
+
+	for i in $LAGGPORTS; do
+		if ! `ifconfig $LAGG laggport $i`; then
+			cleanup
+			exit 4
+		fi
+	done
+}
+
+join2bridge()
+{
+	echo "+ Join to bridge interface $BRIDGE ports $LANPORT $LAGG"
+
+	if ! `ifconfig $BRIDGE addm $LANPORT addm $LAGG`; then
+		cleanup
+		exit 5
+	fi
+}
+
+# main()
+if [ -n "$1" ]; then
+	echo ">> Cleanup cloned interfaces ..."
+
+	if [ -r $CLEANUP_FILE ]; then
+		while read line; do
+			if ! `ifconfig $line >/dev/null 2>&1`; then
+				break
+			else
+				ifconfig $line destroy >/dev/null 2>&1
+			fi
+		done <$CLEANUP_FILE
+
+		rm -f $CLEANUP_FILE
+	fi
+else
+	echo ">> Setup aggregation device ..."
+	select_eth
+
+	up_lan $IFACES
+	up_others $IFACES
+
+	bring_clones
+	join2lagg
+	join2bridge
+fi
+
+echo ">> Done."