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a58c490f JG |
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_CONDITION_INTERNAL_H | |
19 | #define LTTNG_CONDITION_INTERNAL_H | |
20 | ||
21 | #include <lttng/condition/condition.h> | |
22 | #include <common/macros.h> | |
23 | #include <common/buffer-view.h> | |
24 | #include <stdbool.h> | |
25 | #include <urcu/list.h> | |
26 | #include <stdint.h> | |
27 | ||
28 | typedef void (*condition_destroy_cb)(struct lttng_condition *condition); | |
29 | typedef bool (*condition_validate_cb)(const struct lttng_condition *condition); | |
30 | typedef ssize_t (*condition_serialize_cb)( | |
31 | const struct lttng_condition *condition, char *buf); | |
32 | typedef bool (*condition_equal_cb)(const struct lttng_condition *a, | |
33 | const struct lttng_condition *b); | |
34 | typedef ssize_t (*condition_create_from_buffer_cb)( | |
35 | const struct lttng_buffer_view *view, | |
36 | struct lttng_condition **condition); | |
37 | ||
38 | struct lttng_condition { | |
39 | enum lttng_condition_type type; | |
40 | condition_validate_cb validate; | |
41 | condition_serialize_cb serialize; | |
42 | condition_equal_cb equal; | |
43 | condition_destroy_cb destroy; | |
44 | }; | |
45 | ||
46 | struct lttng_condition_comm { | |
47 | /* enum lttng_condition_type */ | |
48 | int8_t condition_type; | |
49 | char payload[]; | |
50 | }; | |
51 | ||
52 | LTTNG_HIDDEN | |
53 | void lttng_condition_init(struct lttng_condition *condition, | |
54 | enum lttng_condition_type type); | |
55 | ||
56 | LTTNG_HIDDEN | |
57 | bool lttng_condition_validate(const struct lttng_condition *condition); | |
58 | ||
59 | LTTNG_HIDDEN | |
60 | ssize_t lttng_condition_create_from_buffer( | |
61 | const struct lttng_buffer_view *buffer, | |
62 | struct lttng_condition **condition); | |
63 | ||
64 | LTTNG_HIDDEN | |
65 | ssize_t lttng_condition_serialize(const struct lttng_condition *condition, | |
66 | char *buf); | |
67 | ||
68 | LTTNG_HIDDEN | |
69 | bool lttng_condition_is_equal(const struct lttng_condition *a, | |
70 | const struct lttng_condition *b); | |
71 | ||
72 | #endif /* LTTNG_CONDITION_INTERNAL_H */ |