ubus: add a browse flag for suppressing cached ip addresses

Reduces the response size when they are not needed, or queried separately

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/ubus.c b/ubus.c
index b9ed695a3f579215633302bfbde9dea34a571060..8d10eca5cc04cb18a4356ddff6a5c13d5ce8745f 100644 (file)
--- a/ubus.c
+++ b/ubus.c
@@ -50,12 +50,14 @@ umdns_update(struct ubus_context *ctx, struct ubus_object *obj,
 enum {
        BROWSE_SERVICE,
        BROWSE_ARRAY,
+       BROWSE_ADDRESS,
        BROWSE_MAX
 };
 
 static const struct blobmsg_policy browse_policy[] = {
        [BROWSE_SERVICE]        = { "service", BLOBMSG_TYPE_STRING },
        [BROWSE_ARRAY]          = { "array", BLOBMSG_TYPE_BOOL },
+       [BROWSE_ADDRESS]        = { "address", BLOBMSG_TYPE_BOOL },
 };
 
 static int
@@ -69,12 +71,15 @@ umdns_browse(struct ubus_context *ctx, struct ubus_object *obj,
        void *c1 = NULL, *c2;
        char *service = NULL;
        int array = 0;
+       bool address = true;
 
        blobmsg_parse(browse_policy, BROWSE_MAX, data, blob_data(msg), blob_len(msg));
        if (data[BROWSE_SERVICE])
                service = blobmsg_get_string(data[BROWSE_SERVICE]);
        if (data[BROWSE_ARRAY])
                array = blobmsg_get_u8(data[BROWSE_ARRAY]);
+       if (data[BROWSE_ADDRESS])
+               address = blobmsg_get_bool(data[BROWSE_ADDRESS]);
 
        blob_buf_init(&b, 0);
        avl_for_each_element(&services, s, avl) {
@@ -98,7 +103,8 @@ umdns_browse(struct ubus_context *ctx, struct ubus_object *obj,
                c2 = blobmsg_open_table(&b, buffer);
                strncat(buffer, ".local", MAX_NAME_LEN);
                blobmsg_add_string(&b, "iface", s->iface->name);
-               cache_dump_records(&b, buffer, array);
+               if (address)
+                       cache_dump_records(&b, buffer, array);
                cache_dump_records(&b, s->entry, array);
                blobmsg_close_table(&b, c2);
                q = avl_next_element(s, avl);