| 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 | #include <sys/types.h> |
| 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 */ |