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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> | |
3897deca | 27 | #include <sys/types.h> |
a58c490f JG |
28 | |
29 | typedef void (*condition_destroy_cb)(struct lttng_condition *condition); | |
30 | typedef bool (*condition_validate_cb)(const struct lttng_condition *condition); | |
31 | typedef ssize_t (*condition_serialize_cb)( | |
32 | const struct lttng_condition *condition, char *buf); | |
33 | typedef bool (*condition_equal_cb)(const struct lttng_condition *a, | |
34 | const struct lttng_condition *b); | |
35 | typedef ssize_t (*condition_create_from_buffer_cb)( | |
36 | const struct lttng_buffer_view *view, | |
37 | struct lttng_condition **condition); | |
38 | ||
39 | struct lttng_condition { | |
40 | enum lttng_condition_type type; | |
41 | condition_validate_cb validate; | |
42 | condition_serialize_cb serialize; | |
43 | condition_equal_cb equal; | |
44 | condition_destroy_cb destroy; | |
45 | }; | |
46 | ||
47 | struct lttng_condition_comm { | |
48 | /* enum lttng_condition_type */ | |
49 | int8_t condition_type; | |
50 | char payload[]; | |
51 | }; | |
52 | ||
53 | LTTNG_HIDDEN | |
54 | void lttng_condition_init(struct lttng_condition *condition, | |
55 | enum lttng_condition_type type); | |
56 | ||
57 | LTTNG_HIDDEN | |
58 | bool lttng_condition_validate(const struct lttng_condition *condition); | |
59 | ||
60 | LTTNG_HIDDEN | |
61 | ssize_t lttng_condition_create_from_buffer( | |
62 | const struct lttng_buffer_view *buffer, | |
63 | struct lttng_condition **condition); | |
64 | ||
65 | LTTNG_HIDDEN | |
66 | ssize_t lttng_condition_serialize(const struct lttng_condition *condition, | |
67 | char *buf); | |
68 | ||
69 | LTTNG_HIDDEN | |
70 | bool lttng_condition_is_equal(const struct lttng_condition *a, | |
71 | const struct lttng_condition *b); | |
72 | ||
73 | #endif /* LTTNG_CONDITION_INTERNAL_H */ |