[nft PATCH 5/7] json: Support maps with concatenated data

[Phil Sutter <phil@nwl.cc>]

Dump such maps with an array of types in "map" property, make the parser
aware of this.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 src/json.c        | 10 +++++-----
 src/parser_json.c | 18 +++++++++---------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/src/json.c b/src/json.c
index bb515164d2587..29fbd0cfdba28 100644
--- a/src/json.c
+++ b/src/json.c
@@ -130,15 +130,15 @@ static json_t *set_stmt_list_json(const struct list_head *stmt_list,
 
 static json_t *set_print_json(struct output_ctx *octx, const struct set *set)
 {
-	json_t *root, *tmp;
-	const char *type, *datatype_ext = NULL;
+	json_t *root, *tmp, *datatype_ext = NULL;
+	const char *type;
 
 	if (set_is_datamap(set->flags)) {
 		type = "map";
-		datatype_ext = set->data->dtype->name;
+		datatype_ext = set_dtype_json(set->data);
 	} else if (set_is_objmap(set->flags)) {
 		type = "map";
-		datatype_ext = obj_type_name(set->objtype);
+		datatype_ext = json_string(obj_type_name(set->objtype));
 	} else if (set_is_meter(set->flags)) {
 		type = "meter";
 	} else {
@@ -155,7 +155,7 @@ static json_t *set_print_json(struct output_ctx *octx, const struct set *set)
 	if (set->comment)
 		json_object_set_new(root, "comment", json_string(set->comment));
 	if (datatype_ext)
-		json_object_set_new(root, "map", json_string(datatype_ext));
+		json_object_set_new(root, "map", datatype_ext);
 
 	if (!(set->flags & (NFT_SET_CONSTANT))) {
 		if (set->policy != NFT_SET_POL_PERFORMANCE) {
diff --git a/src/parser_json.c b/src/parser_json.c
index ff52423af4d7f..bb027448319c5 100644
--- a/src/parser_json.c
+++ b/src/parser_json.c
@@ -3255,7 +3255,7 @@ static struct cmd *json_parse_cmd_add_set(struct json_ctx *ctx, json_t *root,
 					  enum cmd_ops op, enum cmd_obj obj)
 {
 	struct handle h = { 0 };
-	const char *family = "", *policy, *dtype_ext = NULL;
+	const char *family = "", *policy;
 	json_t *tmp, *stmt_json;
 	struct set *set;
 
@@ -3308,19 +3308,19 @@ static struct cmd *json_parse_cmd_add_set(struct json_ctx *ctx, json_t *root,
 		return NULL;
 	}
 
-	if (!json_unpack(root, "{s:s}", "map", &dtype_ext)) {
-		const struct datatype *dtype;
+	if (!json_unpack(root, "{s:o}", "map", &tmp)) {
+		if (json_is_string(tmp)) {
+			const char *s = json_string_value(tmp);
 
-		set->objtype = string_to_nft_object(dtype_ext);
+			set->objtype = string_to_nft_object(s);
+		}
 		if (set->objtype) {
 			set->flags |= NFT_SET_OBJECT;
-		} else if ((dtype = datatype_lookup_byname(dtype_ext))) {
-			set->data = constant_expr_alloc(&netlink_location,
-							dtype, dtype->byteorder,
-							dtype->size, NULL);
+		} else if ((set->data = json_parse_dtype_expr(ctx, tmp))) {
 			set->flags |= NFT_SET_MAP;
 		} else {
-			json_error(ctx, "Invalid map type '%s'.", dtype_ext);
+			json_error(ctx, "Invalid map type '%s'.",
+				   json_dumps(tmp, 0));
 			set_free(set);
 			handle_free(&h);
 			return NULL;
-- 
2.43.0