[PATCH nft 5/7] evaluate: refactor CMD_OBJ_QUOTA/COUNTER handling

[Florian Westphal <fw@strlen.de>]

... to make adding CMD_OBJ_CT_HELPER support easier.

Signed-off-by: Florian Westphal <fw@strlen.de>
---
 src/evaluate.c | 32 ++++++++++++++++++++------------
 1 file changed, 20 insertions(+), 12 deletions(-)

diff --git a/src/evaluate.c b/src/evaluate.c
index 87da2fd83597..4ac55e177d54 100644
--- a/src/evaluate.c
+++ b/src/evaluate.c
@@ -2916,12 +2916,29 @@ static int cmd_evaluate_delete(struct eval_ctx *ctx, struct cmd *cmd)
 	}
 }
 
+static int cmd_evaluate_list_obj(struct eval_ctx *ctx, const struct cmd *cmd,
+				 uint32_t obj_type)
+{
+	const struct table *table;
+
+	if (obj_type == NFT_OBJECT_UNSPEC)
+		obj_type = NFT_OBJECT_COUNTER;
+
+	table = table_lookup(&cmd->handle);
+	if (table == NULL)
+		return cmd_error(ctx, "Could not process rule: Table '%s' does not exist",
+				 cmd->handle.table);
+	if (obj_lookup(table, cmd->handle.obj, obj_type) == NULL)
+		return cmd_error(ctx, "Could not process rule: Object '%s' does not exist",
+					 cmd->handle.obj);
+	return 0;
+}
+
 static int cmd_evaluate_list(struct eval_ctx *ctx, struct cmd *cmd)
 {
 	struct table *table;
 	struct set *set;
 	int ret;
-	uint32_t obj_type = NFT_OBJECT_UNSPEC;
 
 	ret = cache_update(cmd->op, ctx->msgs);
 	if (ret < 0)
@@ -2977,18 +2994,9 @@ static int cmd_evaluate_list(struct eval_ctx *ctx, struct cmd *cmd)
 					 cmd->handle.chain);
 		return 0;
 	case CMD_OBJ_QUOTA:
-		obj_type = NFT_OBJECT_QUOTA;
+		return cmd_evaluate_list_obj(ctx, cmd, NFT_OBJECT_QUOTA);
 	case CMD_OBJ_COUNTER:
-		if (obj_type == NFT_OBJECT_UNSPEC)
-			obj_type = NFT_OBJECT_COUNTER;
-		table = table_lookup(&cmd->handle);
-		if (table == NULL)
-			return cmd_error(ctx, "Could not process rule: Table '%s' does not exist",
-					 cmd->handle.table);
-		if (obj_lookup(table, cmd->handle.obj, obj_type) == NULL)
-			return cmd_error(ctx, "Could not process rule: Object '%s' does not exist",
-					 cmd->handle.obj);
-		return 0;
+		return cmd_evaluate_list_obj(ctx, cmd, NFT_OBJECT_COUNTER);
 	case CMD_OBJ_COUNTERS:
 	case CMD_OBJ_QUOTAS:
 		if (cmd->handle.table == NULL)
-- 
2.10.2