relayd: use an init script instead of a legacy network proto handler (fixes #11276)

SVN-Revision: 31542

package/relayd/Makefile

@@ -35,8 +35,8 @@ define Package/relayd/install
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/relayd $(1)/usr/sbin/relayd
 	$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
 	$(INSTALL_DATA) ./files/relay.hotplug $(1)/etc/hotplug.d/iface/30-relay
-	$(INSTALL_DIR) $(1)/lib/network
-	$(INSTALL_DATA) ./files/relay.sh $(1)/lib/network/relay.sh
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_BIN) ./files/relay.init $(1)/etc/init.d/relayd
 endef
 
 $(eval $(call BuildPackage,relayd))

package/relayd/files/relay.hotplug

 #!/bin/sh
-
-# Break recursion
-[ "$PROTO" = "relay" ] && exit 0
-
-include /lib/network
-scan_interfaces
-
-restart_relayd() {
-	local cfg="$1"
-	
-	local proto
-	config_get proto "$1" proto
-	[ "$proto" = "relay" ] || return 0
-
-	local net networks
-	config_get networks "$cfg" network
-	for net in $networks; do
-		[ "$net" = "$INTERFACE" ] && {
-			env -i /sbin/ifup "$cfg" &
-			return 0
-		}
-	done
-
-	local ifn ifnames
-	config_get ifnames "$cfg" ifname
-	for ifn in $ifnames; do
-		[ "$ifn" = "$DEVICE" ] && {
-			env -i /sbin/ifup "$cfg" &
-			return 0
-		}
-	done
-}
-
-config_foreach restart_relayd interface
-
+/etc/init.d/relayd enabled && /etc/init.d/relayd start

package/relayd/files/relay.sh → package/relayd/files/relay.init

-# relay.sh - Abstract relayd protocol backend
-# Copyright (c) 2011 OpenWrt.org
-
-# Hook into scan_interfaces() to synthesize a .device option
-# This is needed for /sbin/ifup to properly dispatch control
-# to setup_interface_relay() even if no .ifname is set in
-# the configuration.
-scan_relay() {
-	config_set "$1" device "relay-$1"
+#!/bin/sh /etc/rc.common
+# Copyright (c) 2011-2012 OpenWrt.org
+START=80
+
+resolve_ifname() {
+	grep -qs "^ *$1:" /proc/net/dev && {
+		append args "-I $1"
+		append ifaces "$1"
+	}
 }
 
-# No coldplugging needed, relayd will be restarted if one of
-# the member interfaces goes up or down
-#coldplug_interface_relay() {
-#	setup_interface_relay "relay-$1" "$1"
-#}
+resolve_network() {
+	local ifn
+	config_get ifn "$1" ifname
+	[ -z "$ifn" ] && return 1
+	resolve_ifname "$ifn"
+	return 0
+}
 
-setup_interface_relay() {
-	local iface="$1"
-	local cfg="$2"
-	local link="relay-$cfg"
+start_relay() {
+	local cfg="$1"
 
 	local args=""
 	local ifaces=""
 
-	resolve_ifname() {
-		grep -qs "^ *$1:" /proc/net/dev && {
-			append args "-I $1"
-			append ifaces "$1"
-		}
-	}
-
-	resolve_network() {
-		local ifn
-		config_get ifn "$1" ifname
-		resolve_ifname "$ifn"
+	config_get proto "$cfg" proto
+	[[ "$proto" == relay ]] || return 0
+
+	SERVICE_DAEMONIZE=1
+	SERVICE_WRITE_PID=1
+	SERVICE_PID_FILE="/var/run/relay-$cfg.pid"
+	[ -f "$SERVICE_PID_FILE" ] && {
+		if grep -q relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
+			return 0
+		else
+			rm -f "$SERVICE_PID_FILE"
+		fi
 	}
 
 	local net networks
 	config_get networks "$cfg" network
 	for net in $networks; do
-		resolve_network "$net"
+		resolve_network "$net" || {
+			return 1
+		}
 	done
 
 	local ifn ifnames
@@ -76,25 +79,19 @@ setup_interface_relay() {
 	config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
 	[ $fwd_dhcp -eq 1 ] && append args "-D"
 
-	SERVICE_DAEMONIZE=1 \
-	SERVICE_WRITE_PID=1 \
-	SERVICE_PID_FILE="/var/run/$link.pid" \
 	service_start /usr/sbin/relayd $args
-
-	uci_set_state network "$cfg" device "$ifaces"
-
-	env -i ACTION="ifup" DEVICE="$link" INTERFACE="$cfg" PROTO="relay" \
-		/sbin/hotplug-call iface
 }
 
-stop_interface_relay() {
-	local cfg="$1"
-	local link="relay-$cfg"
-
-	env -i ACTION="ifdown" DEVICE="$link" INTERFACE="$cfg" PROTO="relay" \
-		/sbin/hotplug-call iface
-
-	SERVICE_PID_FILE="/var/run/$link.pid" \
-	service_stop /usr/sbin/relayd
+stop() {
+	for pid in /var/run/relay-*.pid; do
+		SERVICE_PID_FILE="$pid"
+		service_stop /usr/sbin/relayd
+		rm -f "$SERVICE_PID_FILE"
+	done
 }
 
+start() {
+	include /lib/network
+	scan_interfaces
+	config_foreach start_relay interface
+}