Add client notification API
[lttng-tools.git] / include / lttng / action / action-internal.h
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1/*
2 * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
3 *
4 * This library is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License, version 2.1 only,
6 * as published by the Free Software Foundation.
7 *
8 * This library is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
11 * for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this library; if not, write to the Free Software Foundation,
15 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16 */
17
18#ifndef LTTNG_ACTION_INTERNAL_H
19#define LTTNG_ACTION_INTERNAL_H
20
21#include <lttng/action/action.h>
22#include <common/macros.h>
23#include <common/buffer-view.h>
24#include <stdbool.h>
25
26typedef bool (*action_validate_cb)(struct lttng_action *action);
27typedef void (*action_destroy_cb)(struct lttng_action *action);
28typedef ssize_t (*action_serialize_cb)(struct lttng_action *action, char *buf);
29
30struct lttng_action {
31 enum lttng_action_type type;
32 action_validate_cb validate;
33 action_serialize_cb serialize;
34 action_destroy_cb destroy;
35};
36
37struct lttng_action_comm {
38 /* enum lttng_action_type */
39 int8_t action_type;
40} LTTNG_PACKED;
41
42LTTNG_HIDDEN
43bool lttng_action_validate(struct lttng_action *action);
44
45LTTNG_HIDDEN
46ssize_t lttng_action_serialize(struct lttng_action *action, char *buf);
47
48LTTNG_HIDDEN
49ssize_t lttng_action_create_from_buffer(const struct lttng_buffer_view *view,
50 struct lttng_action **action);
51
52#endif /* LTTNG_ACTION_INTERNAL_H */
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