d08024a039b3e9cd5e195153b9ac32f60042ce4e
[lttng-tools.git] / include / lttng / action / action-internal.h
1 /*
2 * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-only
5 *
6 */
7
8 #ifndef LTTNG_ACTION_INTERNAL_H
9 #define LTTNG_ACTION_INTERNAL_H
10
11 #include <lttng/action/action.h>
12 #include <common/macros.h>
13 #include <common/buffer-view.h>
14 #include <common/dynamic-buffer.h>
15 #include <stdbool.h>
16 #include <sys/types.h>
17
18 typedef bool (*action_validate_cb)(struct lttng_action *action);
19 typedef void (*action_destroy_cb)(struct lttng_action *action);
20 typedef int (*action_serialize_cb)(struct lttng_action *action,
21 struct lttng_dynamic_buffer *buf);
22 typedef ssize_t (*action_create_from_buffer_cb)(
23 const struct lttng_buffer_view *view,
24 struct lttng_action **action);
25
26 struct lttng_action {
27 enum lttng_action_type type;
28 action_validate_cb validate;
29 action_serialize_cb serialize;
30 action_destroy_cb destroy;
31 };
32
33 struct lttng_action_comm {
34 /* enum lttng_action_type */
35 int8_t action_type;
36 } LTTNG_PACKED;
37
38 LTTNG_HIDDEN
39 bool lttng_action_validate(struct lttng_action *action);
40
41 LTTNG_HIDDEN
42 int lttng_action_serialize(struct lttng_action *action,
43 struct lttng_dynamic_buffer *buf);
44
45 LTTNG_HIDDEN
46 ssize_t lttng_action_create_from_buffer(const struct lttng_buffer_view *view,
47 struct lttng_action **action);
48
49 LTTNG_HIDDEN
50 enum lttng_action_type lttng_action_get_type_const(
51 const struct lttng_action *action);
52
53 #endif /* LTTNG_ACTION_INTERNAL_H */
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