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

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

#ifndef LTTNG_NOTIFICATION_INTERNAL_H
#define LTTNG_NOTIFICATION_INTERNAL_H

#include <lttng/notification/notification.h>
#include <common/macros.h>
#include <stdint.h>
#include <stdbool.h>
#include <sys/types.h>

struct lttng_payload;
struct lttng_payload_view;

struct lttng_notification {
	struct lttng_condition *condition;
	struct lttng_evaluation *evaluation;
};

struct lttng_notification_comm {
	/* Size of the payload following this field. */
	uint32_t length;
	/* Condition and evaluation objects follow. */
	char payload[];
} LTTNG_PACKED;

LTTNG_HIDDEN
struct lttng_notification *lttng_notification_create(
		struct lttng_condition *condition,
		struct lttng_evaluation *evaluation);

LTTNG_HIDDEN
int lttng_notification_serialize(const struct lttng_notification *notification,
		struct lttng_payload *payload);

LTTNG_HIDDEN
ssize_t lttng_notification_create_from_payload(
		struct lttng_payload_view *view,
		struct lttng_notification **notification);

#endif /* LTTNG_NOTIFICATION_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_NOTIFICATION_INTERNAL_H
	9	#define LTTNG_NOTIFICATION_INTERNAL_H
	10
	11	#include <lttng/notification/notification.h>
	12	#include <common/macros.h>
	13	#include <stdint.h>
	14	#include <stdbool.h>
	15	#include <sys/types.h>
	16
	17	struct lttng_payload;
	18	struct lttng_payload_view;
	19
	20	struct lttng_notification {
	21	struct lttng_condition *condition;
	22	struct lttng_evaluation *evaluation;
	23	};
	24
	25	struct lttng_notification_comm {
	26	/* Size of the payload following this field. */
	27	uint32_t length;
	28	/* Condition and evaluation objects follow. */
	29	char payload[];
	30	} LTTNG_PACKED;
	31
	32	LTTNG_HIDDEN
	33	struct lttng_notification *lttng_notification_create(
	34	struct lttng_condition *condition,
	35	struct lttng_evaluation *evaluation);
	36
	37	LTTNG_HIDDEN
	38	int lttng_notification_serialize(const struct lttng_notification *notification,
	39	struct lttng_payload *payload);
	40
	41	LTTNG_HIDDEN
	42	ssize_t lttng_notification_create_from_payload(
	43	struct lttng_payload_view *view,
	44	struct lttng_notification **notification);
	45
	46	#endif /* LTTNG_NOTIFICATION_INTERNAL_H */