olsrd: added hotplug script, which is needed for openwrt >= r38023 - otherwise it can happen that several interfaces are not known to olsrd at boottime

olsrd/Makefile

@@ -175,6 +175,8 @@ define Package/olsrd/install
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/olsrd $(1)/usr/sbin/
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_BIN) ./files/olsrd.init $(1)/etc/init.d/olsrd
+	$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
+	$(INSTALL_BIN) ./files/olsrd.hotplug.sh $(1)/etc/hotplug.d/iface/50-olsrd
 endef
 
 define Package/olsrd-mod-arprefresh/install

olsrd/files/olsrd.hotplug.sh

@@ -0,0 +1,50 @@
+#!/bin/sh
+
+[ "$ACTION" = ifup ] || exit 0
+/etc/init.d/olsrd enabled || exit 0
+
+olsrd_list_configured_interfaces()
+{
+	local i=0
+	local interface
+
+	while interface="$( uci -q get olsrd.@Interface[$i].interface )"; do {
+		case "$( uci -q get olsrd.@Interface[$i].ignore )" in
+			1|on|true|enabled|yes)
+				# is disabled
+			;;
+			*)
+				echo "$interface"
+			;;
+		esac
+
+		i=$(( $i + 1 ))
+	} done
+}
+
+olsrd_interface_needs_adding()
+{
+	local interface="$1"	# e.g. wlanadhocRADIO1
+	local device="$2"	# e.g. wlan1-1
+	local myif
+	local config="/var/etc/olsrd.conf"
+
+	for myif in $(olsrd_list_configured_interfaces); do {
+		[ "$myif" = "$interface" ] && {
+			if grep -s ^'Interface ' "$config" | grep -q "\"$device\""; then
+				logger -t olsrd_hotplug -p daemon.debug "[OK] already_active: $INTERFACE => $DEVICE"
+				return 1
+			else
+				logger -t olsrd_hotplug -p daemon.info "[OK] ifup: $INTERFACE => $DEVICE"
+				return 0
+			fi
+		}
+	} done
+
+	logger -t olsrd_hotplug -p daemon.debug "[OK] interface $INTERFACE not used for olsrd"
+	return 1
+}
+
+olsrd_interface_needs_adding "$INTERFACE" "$DEVICE" && {
+	/etc/init.d/olsrd restart
+}