| 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_ACTION_INTERNAL_H |
| 9 | #define LTTNG_ACTION_INTERNAL_H |
| 10 | |
| 11 | #include <lttng/action/action.h> |
| 12 | #include <common/macros.h> |
| 13 | #include <common/buffer-view.h> |
| 14 | #include <common/dynamic-buffer.h> |
| 15 | #include <stdbool.h> |
| 16 | #include <sys/types.h> |
| 17 | |
| 18 | typedef bool (*action_validate_cb)(struct lttng_action *action); |
| 19 | typedef void (*action_destroy_cb)(struct lttng_action *action); |
| 20 | typedef int (*action_serialize_cb)(struct lttng_action *action, |
| 21 | struct lttng_dynamic_buffer *buf); |
| 22 | typedef bool (*action_equal_cb)(const struct lttng_action *a, |
| 23 | const struct lttng_action *b); |
| 24 | typedef ssize_t (*action_create_from_buffer_cb)( |
| 25 | const struct lttng_buffer_view *view, |
| 26 | struct lttng_action **action); |
| 27 | |
| 28 | struct lttng_action { |
| 29 | enum lttng_action_type type; |
| 30 | action_validate_cb validate; |
| 31 | action_serialize_cb serialize; |
| 32 | action_equal_cb equal; |
| 33 | action_destroy_cb destroy; |
| 34 | }; |
| 35 | |
| 36 | struct lttng_action_comm { |
| 37 | /* enum lttng_action_type */ |
| 38 | int8_t action_type; |
| 39 | } LTTNG_PACKED; |
| 40 | |
| 41 | LTTNG_HIDDEN |
| 42 | void lttng_action_init(struct lttng_action *action, |
| 43 | enum lttng_action_type type, |
| 44 | action_validate_cb validate, |
| 45 | action_serialize_cb serialize, |
| 46 | action_equal_cb equal, |
| 47 | action_destroy_cb destroy); |
| 48 | |
| 49 | LTTNG_HIDDEN |
| 50 | bool lttng_action_validate(struct lttng_action *action); |
| 51 | |
| 52 | LTTNG_HIDDEN |
| 53 | int lttng_action_serialize(struct lttng_action *action, |
| 54 | struct lttng_dynamic_buffer *buf); |
| 55 | |
| 56 | LTTNG_HIDDEN |
| 57 | ssize_t lttng_action_create_from_buffer(const struct lttng_buffer_view *view, |
| 58 | struct lttng_action **action); |
| 59 | |
| 60 | LTTNG_HIDDEN |
| 61 | enum lttng_action_type lttng_action_get_type_const( |
| 62 | const struct lttng_action *action); |
| 63 | |
| 64 | LTTNG_HIDDEN |
| 65 | bool lttng_action_is_equal(const struct lttng_action *a, |
| 66 | const struct lttng_action *b); |
| 67 | |
| 68 | #endif /* LTTNG_ACTION_INTERNAL_H */ |