| 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 <common/payload-view.h> |
| 16 | #include <common/payload.h> |
| 17 | #include <stdbool.h> |
| 18 | #include <sys/types.h> |
| 19 | #include <urcu/ref.h> |
| 20 | |
| 21 | typedef bool (*action_validate_cb)(struct lttng_action *action); |
| 22 | typedef void (*action_destroy_cb)(struct lttng_action *action); |
| 23 | typedef int (*action_serialize_cb)(struct lttng_action *action, |
| 24 | struct lttng_payload *payload); |
| 25 | typedef bool (*action_equal_cb)(const struct lttng_action *a, |
| 26 | const struct lttng_action *b); |
| 27 | typedef ssize_t (*action_create_from_payload_cb)( |
| 28 | struct lttng_payload_view *view, |
| 29 | struct lttng_action **action); |
| 30 | |
| 31 | struct lttng_action { |
| 32 | struct urcu_ref ref; |
| 33 | enum lttng_action_type type; |
| 34 | action_validate_cb validate; |
| 35 | action_serialize_cb serialize; |
| 36 | action_equal_cb equal; |
| 37 | action_destroy_cb destroy; |
| 38 | }; |
| 39 | |
| 40 | struct lttng_action_comm { |
| 41 | /* enum lttng_action_type */ |
| 42 | int8_t action_type; |
| 43 | } LTTNG_PACKED; |
| 44 | |
| 45 | LTTNG_HIDDEN |
| 46 | void lttng_action_init(struct lttng_action *action, |
| 47 | enum lttng_action_type type, |
| 48 | action_validate_cb validate, |
| 49 | action_serialize_cb serialize, |
| 50 | action_equal_cb equal, |
| 51 | action_destroy_cb destroy); |
| 52 | |
| 53 | LTTNG_HIDDEN |
| 54 | bool lttng_action_validate(struct lttng_action *action); |
| 55 | |
| 56 | LTTNG_HIDDEN |
| 57 | int lttng_action_serialize(struct lttng_action *action, |
| 58 | struct lttng_payload *buf); |
| 59 | |
| 60 | LTTNG_HIDDEN |
| 61 | ssize_t lttng_action_create_from_payload(struct lttng_payload_view *view, |
| 62 | 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 | LTTNG_HIDDEN |
| 69 | void lttng_action_get(struct lttng_action *action); |
| 70 | |
| 71 | LTTNG_HIDDEN |
| 72 | void lttng_action_put(struct lttng_action *action); |
| 73 | |
| 74 | LTTNG_HIDDEN |
| 75 | const char* lttng_action_type_string(enum lttng_action_type action_type); |
| 76 | |
| 77 | #endif /* LTTNG_ACTION_INTERNAL_H */ |