| 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_CONDITION_INTERNAL_H |
| 9 | #define LTTNG_CONDITION_INTERNAL_H |
| 10 | |
| 11 | #include <lttng/condition/condition.h> |
| 12 | #include <common/macros.h> |
| 13 | #include <common/buffer-view.h> |
| 14 | #include <common/dynamic-buffer.h> |
| 15 | #include <stdbool.h> |
| 16 | #include <urcu/list.h> |
| 17 | #include <stdint.h> |
| 18 | #include <sys/types.h> |
| 19 | |
| 20 | typedef void (*condition_destroy_cb)(struct lttng_condition *condition); |
| 21 | typedef bool (*condition_validate_cb)(const struct lttng_condition *condition); |
| 22 | typedef int (*condition_serialize_cb)( |
| 23 | const struct lttng_condition *condition, |
| 24 | struct lttng_dynamic_buffer *buf); |
| 25 | typedef bool (*condition_equal_cb)(const struct lttng_condition *a, |
| 26 | const struct lttng_condition *b); |
| 27 | typedef ssize_t (*condition_create_from_buffer_cb)( |
| 28 | const struct lttng_buffer_view *view, |
| 29 | struct lttng_condition **condition); |
| 30 | |
| 31 | struct lttng_condition { |
| 32 | enum lttng_condition_type type; |
| 33 | condition_validate_cb validate; |
| 34 | condition_serialize_cb serialize; |
| 35 | condition_equal_cb equal; |
| 36 | condition_destroy_cb destroy; |
| 37 | }; |
| 38 | |
| 39 | struct lttng_condition_comm { |
| 40 | /* enum lttng_condition_type */ |
| 41 | int8_t condition_type; |
| 42 | char payload[]; |
| 43 | }; |
| 44 | |
| 45 | LTTNG_HIDDEN |
| 46 | void lttng_condition_init(struct lttng_condition *condition, |
| 47 | enum lttng_condition_type type); |
| 48 | |
| 49 | LTTNG_HIDDEN |
| 50 | bool lttng_condition_validate(const struct lttng_condition *condition); |
| 51 | |
| 52 | LTTNG_HIDDEN |
| 53 | ssize_t lttng_condition_create_from_buffer( |
| 54 | const struct lttng_buffer_view *buffer, |
| 55 | struct lttng_condition **condition); |
| 56 | |
| 57 | LTTNG_HIDDEN |
| 58 | int lttng_condition_serialize(const struct lttng_condition *condition, |
| 59 | struct lttng_dynamic_buffer *buf); |
| 60 | |
| 61 | LTTNG_HIDDEN |
| 62 | bool lttng_condition_is_equal(const struct lttng_condition *a, |
| 63 | const struct lttng_condition *b); |
| 64 | |
| 65 | #endif /* LTTNG_CONDITION_INTERNAL_H */ |