From 5573d0146c1ae71ac5b3e4ba6a12c00585646a1a Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Sun, 27 Nov 2016 23:26:56 +0100 Subject: src: support for stateful objects This patch allows you to add, to delete and to get stateful objects, this support two object types: counter and quota. Signed-off-by: Pablo Neira Ayuso --- include/obj.h | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 include/obj.h (limited to 'include/obj.h') diff --git a/include/obj.h b/include/obj.h new file mode 100644 index 0000000..edbf023 --- /dev/null +++ b/include/obj.h @@ -0,0 +1,55 @@ +#ifndef _OBJ_OPS_H_ +#define _OBJ_OPS_H_ + +#include +#include "internal.h" + +struct nlattr; +struct nlmsghdr; +struct nftnl_obj; + +struct nftnl_obj { + struct list_head head; + struct obj_ops *ops; + + const char *table; + const char *name; + + uint32_t family; + uint32_t use; + + uint32_t flags; + + union { + struct nftnl_obj_counter { + uint64_t pkts; + uint64_t bytes; + } counter; + struct nftnl_obj_quota { + uint64_t bytes; + uint64_t consumed; + uint32_t flags; + } quota; + } data; +}; + +struct obj_ops { + const char *name; + uint32_t type; + size_t alloc_len; + int max_attr; + int (*set)(struct nftnl_obj *e, uint16_t type, const void *data, uint32_t data_len); + const void *(*get)(const struct nftnl_obj *e, uint16_t type, uint32_t *data_len); + int (*parse)(struct nftnl_obj *e, struct nlattr *attr); + void (*build)(struct nlmsghdr *nlh, const struct nftnl_obj *e); + int (*snprintf)(char *buf, size_t len, uint32_t type, uint32_t flags, const struct nftnl_obj *e); + int (*json_parse)(struct nftnl_obj *e, json_t *data, + struct nftnl_parse_err *err); +}; + +extern struct obj_ops obj_ops_counter; +extern struct obj_ops obj_ops_quota; + +#define nftnl_obj_data(obj) (void *)&obj->data + +#endif -- cgit v1.2.3