[lttng-tools.git] / include / lttng / action / action-internal.h

/*
 * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 */

#ifndef LTTNG_ACTION_INTERNAL_H
#define LTTNG_ACTION_INTERNAL_H

#include <lttng/action/action.h>
#include <common/macros.h>
#include <common/buffer-view.h>
#include <common/dynamic-buffer.h>
#include <common/sessiond-comm/payload-view.h>
#include <common/sessiond-comm/payload.h>
#include <stdbool.h>
#include <sys/types.h>
#include <urcu/ref.h>

typedef bool (*action_validate_cb)(struct lttng_action *action);
typedef void (*action_destroy_cb)(struct lttng_action *action);
typedef int (*action_serialize_cb)(struct lttng_action *action,
		struct lttng_payload *payload);
typedef bool (*action_equal_cb)(const struct lttng_action *a,
		const struct lttng_action *b);
typedef ssize_t (*action_create_from_payload_cb)(
		struct lttng_payload_view *view,
		struct lttng_action **action);

struct lttng_action {
	struct urcu_ref ref;
	enum lttng_action_type type;
	action_validate_cb validate;
	action_serialize_cb serialize;
	action_equal_cb equal;
	action_destroy_cb destroy;
};

struct lttng_action_comm {
	/* enum lttng_action_type */
	int8_t action_type;
} LTTNG_PACKED;

LTTNG_HIDDEN
void lttng_action_init(struct lttng_action *action,
		enum lttng_action_type type,
		action_validate_cb validate,
		action_serialize_cb serialize,
		action_equal_cb equal,
		action_destroy_cb destroy);

LTTNG_HIDDEN
bool lttng_action_validate(struct lttng_action *action);

LTTNG_HIDDEN
int lttng_action_serialize(struct lttng_action *action,
		struct lttng_payload *buf);

LTTNG_HIDDEN
ssize_t lttng_action_create_from_payload(struct lttng_payload_view *view,
		struct lttng_action **action);

LTTNG_HIDDEN
enum lttng_action_type lttng_action_get_type_const(
		const struct lttng_action *action);

LTTNG_HIDDEN
bool lttng_action_is_equal(const struct lttng_action *a,
		const struct lttng_action *b);

LTTNG_HIDDEN
void lttng_action_get(struct lttng_action *action);

LTTNG_HIDDEN
void lttng_action_put(struct lttng_action *action);

#endif /* LTTNG_ACTION_INTERNAL_H */
Commit	Line	Data
	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/sessiond-comm/payload-view.h>
	16	#include <common/sessiond-comm/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	enum lttng_action_type lttng_action_get_type_const(
	66	const struct lttng_action *action);
	67
	68	LTTNG_HIDDEN
	69	bool lttng_action_is_equal(const struct lttng_action *a,
	70	const struct lttng_action *b);
	71
	72	LTTNG_HIDDEN
	73	void lttng_action_get(struct lttng_action *action);
	74
	75	LTTNG_HIDDEN
	76	void lttng_action_put(struct lttng_action *action);
	77
	78	#endif /* LTTNG_ACTION_INTERNAL_H */