ifupdown-ng/dist/openrc/networking.initd

#!/sbin/openrc-run

: ${cfgfile:="/etc/network/interfaces"}
ifstate=/run/ifstate

single_iface="${RC_SVCNAME#*.}"
if [ "$single_iface" = "$RC_SVCNAME" ]; then
	single_iface=
fi

depend() {
	need localmount
	want dev-settle
	after bootmisc hwdrivers modules
	provide net
	keyword -jail -prefix -vserver -docker
}

# find interfaces we want to start
find_ifaces() {
	if [ -n "$single_iface" ]; then
		echo $single_iface
	else
		ifquery -L -i "$cfgfile"
	fi
}

# return the list of interfaces we should try stop
find_running_ifaces() {
	if [ -n "$single_iface" ]; then
		echo $single_iface
	else
		ifquery -r -i "$cfgfile" -S "$ifstate"
	fi
}

start() {
	local iface= ret=1
	ebegin "Starting networking"
	eindent
	for iface in $(find_ifaces); do
		local r=0
		ebegin "$iface"
		if ! ifup -i "$cfgfile" -S "$ifstate" $iface >/dev/null; then
			ifdown -f -i "$cfgfile" -S "$ifstate" $iface >/dev/null 2>&1
			r=1
		fi
		# atleast one interface needs to be started for action
		# to be success
		eend $r && ret=0
	done
	eoutdent
	return $ret
}

stop() {
	local iface=
	# Don't stop the network at shutdown.
	yesno ${keep_network:-YES} && yesno $RC_GOINGDOWN && return 0

	ebegin "Stopping networking"
	eindent
	for iface in $(find_running_ifaces); do
		ebegin "$iface"
		ifdown -i "$cfgfile" -S "$ifstate" -f $iface >/dev/null
		eend $?
	done
	eoutdent
	return 0
}