[lttng-tools.git] / include / lttng / condition / buffer-usage-internal.hpp

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

#ifndef LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H
#define LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H

#include <lttng/condition/buffer-usage.h>
#include <lttng/condition/condition-internal.hpp>
#include <lttng/condition/evaluation-internal.hpp>
#include <lttng/domain.h>
#include "common/buffer-view.hpp"
#include <common/macros.hpp>

struct lttng_condition_buffer_usage {
	struct lttng_condition parent;
	struct {
		bool set;
		uint64_t value;
	} threshold_bytes;
	struct {
		bool set;
		double value;
	} threshold_ratio;
	char *session_name;
	char *channel_name;
	struct {
		bool set;
		enum lttng_domain_type type;
	} domain;
};

struct lttng_condition_buffer_usage_comm {
	uint8_t threshold_set_in_bytes;
	uint64_t threshold_bytes;
	double threshold_ratio;
	/* Both lengths include the trailing \0. */
	uint32_t session_name_len;
	uint32_t channel_name_len;
	/* enum lttng_domain_type */
	int8_t domain_type;
	/* session and channel names. */
	char names[];
} LTTNG_PACKED;

struct lttng_evaluation_buffer_usage {
	struct lttng_evaluation parent;
	uint64_t buffer_use;
	uint64_t buffer_capacity;
};

struct lttng_evaluation_buffer_usage_comm {
	uint64_t buffer_use;
	uint64_t buffer_capacity;
} LTTNG_PACKED;

struct lttng_evaluation *lttng_evaluation_buffer_usage_create(
		enum lttng_condition_type type, uint64_t use,
		uint64_t capacity);

ssize_t lttng_condition_buffer_usage_low_create_from_payload(
		struct lttng_payload_view *view,
		struct lttng_condition **condition);

ssize_t lttng_condition_buffer_usage_high_create_from_payload(
		struct lttng_payload_view *view,
		struct lttng_condition **condition);

ssize_t lttng_evaluation_buffer_usage_low_create_from_payload(
		struct lttng_payload_view *view,
		struct lttng_evaluation **evaluation);

ssize_t lttng_evaluation_buffer_usage_high_create_from_payload(
		struct lttng_payload_view *view,
		struct lttng_evaluation **evaluation);

#endif /* LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H */
Commit	Line	Data
a58c490f	1	/*
ab5be9fa	2	* Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
a58c490f	3	*
ab5be9fa	4	* SPDX-License-Identifier: LGPL-2.1-only
a58c490f	5	*
a58c490f JG	6	*/
	7
	8	#ifndef LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H
	9	#define LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H
	10
	11	#include <lttng/condition/buffer-usage.h>
c9e313bc SM	12	#include <lttng/condition/condition-internal.hpp>
c9e313bc SM	13	#include <lttng/condition/evaluation-internal.hpp>
a58c490f	14	#include <lttng/domain.h>
c9e313bc SM	15	#include "common/buffer-view.hpp"
c9e313bc SM	16	#include <common/macros.hpp>
a58c490f JG	17
	18	struct lttng_condition_buffer_usage {
	19	struct lttng_condition parent;
	20	struct {
	21	bool set;
	22	uint64_t value;
	23	} threshold_bytes;
	24	struct {
	25	bool set;
	26	double value;
	27	} threshold_ratio;
	28	char *session_name;
	29	char *channel_name;
	30	struct {
	31	bool set;
	32	enum lttng_domain_type type;
	33	} domain;
	34	};
	35
	36	struct lttng_condition_buffer_usage_comm {
	37	uint8_t threshold_set_in_bytes;
f66473ac FD	38	uint64_t threshold_bytes;
f66473ac FD	39	double threshold_ratio;
a58c490f JG	40	/* Both lengths include the trailing \0. */
	41	uint32_t session_name_len;
	42	uint32_t channel_name_len;
	43	/* enum lttng_domain_type */
	44	int8_t domain_type;
	45	/* session and channel names. */
	46	char names[];
	47	} LTTNG_PACKED;
	48
	49	struct lttng_evaluation_buffer_usage {
	50	struct lttng_evaluation parent;
	51	uint64_t buffer_use;
	52	uint64_t buffer_capacity;
	53	};
	54
	55	struct lttng_evaluation_buffer_usage_comm {
	56	uint64_t buffer_use;
	57	uint64_t buffer_capacity;
	58	} LTTNG_PACKED;
	59
a58c490f JG	60	struct lttng_evaluation *lttng_evaluation_buffer_usage_create(
	61	enum lttng_condition_type type, uint64_t use,
	62	uint64_t capacity);
	63
c0a66c84 JG	64	ssize_t lttng_condition_buffer_usage_low_create_from_payload(
c0a66c84 JG	65	struct lttng_payload_view *view,
a58c490f JG	66	struct lttng_condition **condition);
a58c490f JG	67
c0a66c84 JG	68	ssize_t lttng_condition_buffer_usage_high_create_from_payload(
c0a66c84 JG	69	struct lttng_payload_view *view,
a58c490f JG	70	struct lttng_condition **condition);
a58c490f JG	71
c0a66c84 JG	72	ssize_t lttng_evaluation_buffer_usage_low_create_from_payload(
c0a66c84 JG	73	struct lttng_payload_view *view,
a58c490f JG	74	struct lttng_evaluation **evaluation);
a58c490f JG	75
c0a66c84 JG	76	ssize_t lttng_evaluation_buffer_usage_high_create_from_payload(
c0a66c84 JG	77	struct lttng_payload_view *view,
a58c490f JG	78	struct lttng_evaluation **evaluation);
	79
	80	#endif /* LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H */