diff options
Diffstat (limited to 'include/expr_ops.h')
-rw-r--r-- | include/expr_ops.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/expr_ops.h b/include/expr_ops.h new file mode 100644 index 0000000..ea5defd --- /dev/null +++ b/include/expr_ops.h @@ -0,0 +1,34 @@ +#ifndef _EXPR_OPS_H_ +#define _EXPR_OPS_H_ + +#include <stdint.h> +#include "internal.h" + +struct nlattr; +struct nlmsghdr; +struct nft_rule_expr; + +struct expr_ops { + struct list_head head; + + const char *name; + uint32_t alloc_len; + int max_attr; + void (*free)(struct nft_rule_expr *e); + int (*set)(struct nft_rule_expr *e, uint16_t type, const void *data, uint32_t data_len); + const void *(*get)(const struct nft_rule_expr *e, uint16_t type, uint32_t *data_len); + int (*parse)(struct nft_rule_expr *e, struct nlattr *attr); + void (*build)(struct nlmsghdr *nlh, struct nft_rule_expr *e); + int (*snprintf)(char *buf, size_t len, uint32_t type, uint32_t flags, struct nft_rule_expr *e); + int (*xml_parse)(struct nft_rule_expr *e, mxml_node_t *tree, + struct nft_parse_err *err); + int (*json_parse)(struct nft_rule_expr *e, json_t *data, + struct nft_parse_err *err); +}; + +void nft_expr_ops_register(struct expr_ops *ops); +struct expr_ops *nft_expr_ops_lookup(const char *name); + +#define nft_expr_data(ops) (void *)ops->data + +#endif |