change init script to procd init script

package/openwrt/files/etc/init.d/smartdns

@@ -3,6 +3,7 @@
 
 START=99
 NAME=smartdns
+USE_PROCD=1
 SERVICE_USE_PID=1
 SERVICE_WRITE_PID=1
 SERVICE_DAEMONIZE=1
@@ -160,7 +161,7 @@ load_server()
 	conf_append "$SERVER" "$ip:$port $ADDITIONAL_ARGS"
 }
 
-start_service() {
+load_service() {
 	local section="$1"
 	args=""
 
@@ -276,23 +277,24 @@ start_service() {
 	echo "conf-file $CUSTOM_CONF" >> $SMARTDNS_CONF_TMP
 	mv $SMARTDNS_CONF_TMP $SMARTDNS_CONF
 
+	procd_open_instance "smartdns"
 	if [ "$COREDUMP" = "1" ]; then
 		args="$args -S"
-		ulimit -c unlimited
+		procd_set_param limits core="unlimited"
 	fi
-	service_start /usr/sbin/smartdns $args -c $SMARTDNS_CONF
+	
+	procd_set_param command /usr/sbin/smartdns -f -c $SMARTDNS_CONF $args
+	procd_set_param respawn ${respawn_threshold:-3600} ${respawn_timeout:-5} ${respawn_retry:-5}
+	procd_set_param file "$SMARTDNS_CONF"
+	procd_close_instance
 }
 
-start() {
+start_service() {
 	config_load "smartdns"
-	config_foreach start_service "smartdns"
+	config_foreach load_service "smartdns"
 }
 
-stop() {
-	service_stop /usr/sbin/smartdns
-}
-
-reload(){
+reload_service(){
 	stop
 	start
 }