Use the dynamic buffer to serialize notification objects
[lttng-tools.git] / include / lttng / trigger / trigger-internal.h
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_TRIGGER_INTERNAL_H
19 #define LTTNG_TRIGGER_INTERNAL_H
20
21 #include <lttng/trigger/trigger.h>
22 #include <common/macros.h>
23 #include <common/buffer-view.h>
24 #include <common/dynamic-buffer.h>
25 #include <stdint.h>
26 #include <stdbool.h>
27 #include <sys/types.h>
28
29 struct lttng_trigger {
30 struct lttng_condition *condition;
31 struct lttng_action *action;
32 };
33
34 struct lttng_trigger_comm {
35 /* length excludes its own length. */
36 uint32_t length;
37 /* A condition and action object follow. */
38 char payload[];
39 } LTTNG_PACKED;
40
41 LTTNG_HIDDEN
42 ssize_t lttng_trigger_create_from_buffer(const struct lttng_buffer_view *view,
43 struct lttng_trigger **trigger);
44
45 LTTNG_HIDDEN
46 int lttng_trigger_serialize(struct lttng_trigger *trigger,
47 struct lttng_dynamic_buffer *buf);
48
49 LTTNG_HIDDEN
50 bool lttng_trigger_validate(struct lttng_trigger *trigger);
51
52 #endif /* LTTNG_TRIGGER_INTERNAL_H */
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