[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 "common/buffer-view.hpp"

#include <common/macros.hpp>

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

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
28f23191 JG	11	#include "common/buffer-view.hpp"
	12
	13	#include <common/macros.hpp>
	14
a58c490f	15	#include <lttng/condition/buffer-usage.h>
c9e313bc SM	16	#include <lttng/condition/condition-internal.hpp>
c9e313bc SM	17	#include <lttng/condition/evaluation-internal.hpp>
a58c490f	18	#include <lttng/domain.h>
a58c490f JG	19
	20	struct lttng_condition_buffer_usage {
	21	struct lttng_condition parent;
	22	struct {
	23	bool set;
	24	uint64_t value;
	25	} threshold_bytes;
	26	struct {
	27	bool set;
	28	double value;
	29	} threshold_ratio;
	30	char *session_name;
	31	char *channel_name;
	32	struct {
	33	bool set;
	34	enum lttng_domain_type type;
	35	} domain;
	36	};
	37
	38	struct lttng_condition_buffer_usage_comm {
	39	uint8_t threshold_set_in_bytes;
f66473ac FD	40	uint64_t threshold_bytes;
f66473ac FD	41	double threshold_ratio;
a58c490f JG	42	/* Both lengths include the trailing \0. */
	43	uint32_t session_name_len;
	44	uint32_t channel_name_len;
	45	/* enum lttng_domain_type */
	46	int8_t domain_type;
	47	/* session and channel names. */
	48	char names[];
	49	} LTTNG_PACKED;
	50
	51	struct lttng_evaluation_buffer_usage {
	52	struct lttng_evaluation parent;
	53	uint64_t buffer_use;
	54	uint64_t buffer_capacity;
	55	};
	56
	57	struct lttng_evaluation_buffer_usage_comm {
	58	uint64_t buffer_use;
	59	uint64_t buffer_capacity;
	60	} LTTNG_PACKED;
	61
28f23191 JG	62	struct lttng_evaluation *lttng_evaluation_buffer_usage_create(enum lttng_condition_type type,
	63	uint64_t use,
	64	uint64_t capacity);
a58c490f	65
28f23191 JG	66	ssize_t lttng_condition_buffer_usage_low_create_from_payload(struct lttng_payload_view *view,
28f23191 JG	67	struct lttng_condition **condition);
a58c490f	68
28f23191 JG	69	ssize_t lttng_condition_buffer_usage_high_create_from_payload(struct lttng_payload_view *view,
28f23191 JG	70	struct lttng_condition **condition);
a58c490f	71
28f23191 JG	72	ssize_t lttng_evaluation_buffer_usage_low_create_from_payload(struct lttng_payload_view *view,
28f23191 JG	73	struct lttng_evaluation **evaluation);
a58c490f	74
28f23191 JG	75	ssize_t
	76	lttng_evaluation_buffer_usage_high_create_from_payload(struct lttng_payload_view *view,
	77	struct lttng_evaluation **evaluation);
a58c490f JG	78
a58c490f JG	79	#endif /* LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H */