[lttng-tools.git] / src / common / conditions / session-consumed-size.cpp

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

#include <common/error.hpp>
#include <common/macros.hpp>
#include <common/mi-lttng.hpp>

#include <lttng/condition/condition-internal.hpp>
#include <lttng/condition/session-consumed-size-internal.hpp>
#include <lttng/constant.h>

#include <float.h>
#include <math.h>
#include <time.h>

#define IS_CONSUMED_SIZE_CONDITION(condition) \
	(lttng_condition_get_type(condition) == LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE)

#define IS_CONSUMED_SIZE_EVALUATION(evaluation) \
	(lttng_evaluation_get_type(evaluation) == LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE)

static void lttng_condition_session_consumed_size_destroy(struct lttng_condition *condition)
{
	struct lttng_condition_session_consumed_size *consumed_size;

	consumed_size = lttng::utils::container_of(condition,
						   &lttng_condition_session_consumed_size::parent);

	free(consumed_size->session_name);
	free(consumed_size);
}

static bool lttng_condition_session_consumed_size_validate(const struct lttng_condition *condition)
{
	bool valid = false;
	struct lttng_condition_session_consumed_size *consumed;

	if (!condition) {
		goto end;
	}

	consumed = lttng::utils::container_of(condition,
					      &lttng_condition_session_consumed_size::parent);
	if (!consumed->session_name) {
		ERR("Invalid session consumed size condition: a target session name must be set.");
		goto end;
	}
	if (!consumed->consumed_threshold_bytes.set) {
		ERR("Invalid session consumed size condition: a threshold must be set.");
		goto end;
	}

	valid = true;
end:
	return valid;
}

static int lttng_condition_session_consumed_size_serialize(const struct lttng_condition *condition,
							   struct lttng_payload *payload)
{
	int ret;
	size_t session_name_len;
	struct lttng_condition_session_consumed_size *consumed;
	struct lttng_condition_session_consumed_size_comm consumed_comm;

	if (!condition || !IS_CONSUMED_SIZE_CONDITION(condition)) {
		ret = -1;
		goto end;
	}

	DBG("Serializing session consumed size condition");
	consumed = lttng::utils::container_of(condition,
					      &lttng_condition_session_consumed_size::parent);

	session_name_len = strlen(consumed->session_name) + 1;
	if (session_name_len > LTTNG_NAME_MAX) {
		ret = -1;
		goto end;
	}

	consumed_comm.consumed_threshold_bytes = consumed->consumed_threshold_bytes.value;
	consumed_comm.session_name_len = (uint32_t) session_name_len;

	ret = lttng_dynamic_buffer_append(&payload->buffer, &consumed_comm, sizeof(consumed_comm));
	if (ret) {
		goto end;
	}

	ret = lttng_dynamic_buffer_append(
		&payload->buffer, consumed->session_name, session_name_len);
	if (ret) {
		goto end;
	}
end:
	return ret;
}

static bool lttng_condition_session_consumed_size_is_equal(const struct lttng_condition *_a,
							   const struct lttng_condition *_b)
{
	bool is_equal = false;
	struct lttng_condition_session_consumed_size *a, *b;

	a = lttng::utils::container_of(_a, &lttng_condition_session_consumed_size::parent);
	b = lttng::utils::container_of(_b, &lttng_condition_session_consumed_size::parent);

	if (a->consumed_threshold_bytes.set && b->consumed_threshold_bytes.set) {
		uint64_t a_value, b_value;

		a_value = a->consumed_threshold_bytes.value;
		b_value = b->consumed_threshold_bytes.value;
		if (a_value != b_value) {
			goto end;
		}
	}

	LTTNG_ASSERT(a->session_name);
	LTTNG_ASSERT(b->session_name);
	if (strcmp(a->session_name, b->session_name)) {
		goto end;
	}

	is_equal = true;
end:
	return is_equal;
}

static enum lttng_error_code
lttng_condition_session_consumed_size_mi_serialize(const struct lttng_condition *condition,
						   struct mi_writer *writer)
{
	int ret;
	enum lttng_error_code ret_code;
	enum lttng_condition_status status;
	const char *session_name = nullptr;
	uint64_t threshold_bytes;

	LTTNG_ASSERT(condition);
	LTTNG_ASSERT(writer);
	LTTNG_ASSERT(IS_CONSUMED_SIZE_CONDITION(condition));

	status = lttng_condition_session_consumed_size_get_session_name(condition, &session_name);
	LTTNG_ASSERT(status == LTTNG_CONDITION_STATUS_OK);
	LTTNG_ASSERT(session_name);

	status = lttng_condition_session_consumed_size_get_threshold(condition, &threshold_bytes);
	LTTNG_ASSERT(status == LTTNG_CONDITION_STATUS_OK);

	/* Open condition session consumed size element. */
	ret = mi_lttng_writer_open_element(writer,
					   mi_lttng_element_condition_session_consumed_size);
	if (ret) {
		goto mi_error;
	}

	/* Session name. */
	ret = mi_lttng_writer_write_element_string(
		writer, mi_lttng_element_session_name, session_name);
	if (ret) {
		goto mi_error;
	}

	/* Threshold in bytes. */
	ret = mi_lttng_writer_write_element_unsigned_int(
		writer, mi_lttng_element_condition_threshold_bytes, threshold_bytes);
	if (ret) {
		goto mi_error;
	}

	/* Close condition session consumed size element. */
	ret = mi_lttng_writer_close_element(writer);
	if (ret) {
		goto mi_error;
	}

	ret_code = LTTNG_OK;
	goto end;

mi_error:
	ret_code = LTTNG_ERR_MI_IO_FAIL;
end:
	return ret_code;
}

struct lttng_condition *lttng_condition_session_consumed_size_create(void)
{
	struct lttng_condition_session_consumed_size *condition;

	condition = zmalloc<lttng_condition_session_consumed_size>();
	if (!condition) {
		return nullptr;
	}

	lttng_condition_init(&condition->parent, LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE);
	condition->parent.validate = lttng_condition_session_consumed_size_validate;
	condition->parent.serialize = lttng_condition_session_consumed_size_serialize;
	condition->parent.equal = lttng_condition_session_consumed_size_is_equal;
	condition->parent.destroy = lttng_condition_session_consumed_size_destroy;
	condition->parent.mi_serialize = lttng_condition_session_consumed_size_mi_serialize;
	return &condition->parent;
}

static ssize_t init_condition_from_payload(struct lttng_condition *condition,
					   struct lttng_payload_view *src_view)
{
	ssize_t ret, condition_size;
	enum lttng_condition_status status;
	const char *session_name;
	struct lttng_buffer_view session_name_view;
	const struct lttng_condition_session_consumed_size_comm *condition_comm;
	struct lttng_payload_view condition_comm_view =
		lttng_payload_view_from_view(src_view, 0, sizeof(*condition_comm));

	if (!lttng_payload_view_is_valid(&condition_comm_view)) {
		ERR("Failed to initialize from malformed condition buffer: buffer too short to contain header");
		ret = -1;
		goto end;
	}

	condition_comm = (typeof(condition_comm)) condition_comm_view.buffer.data;
	session_name_view = lttng_buffer_view_from_view(
		&src_view->buffer, sizeof(*condition_comm), condition_comm->session_name_len);

	if (condition_comm->session_name_len > LTTNG_NAME_MAX) {
		ERR("Failed to initialize from malformed condition buffer: name exceeds LTTNG_MAX_NAME");
		ret = -1;
		goto end;
	}

	if (!lttng_buffer_view_is_valid(&session_name_view)) {
		ERR("Failed to initialize from malformed condition buffer: buffer too short to contain element names");
		ret = -1;
		goto end;
	}

	status = lttng_condition_session_consumed_size_set_threshold(
		condition, condition_comm->consumed_threshold_bytes);
	if (status != LTTNG_CONDITION_STATUS_OK) {
		ERR("Failed to initialize session consumed size condition threshold");
		ret = -1;
		goto end;
	}

	session_name = session_name_view.data;
	if (*(session_name + condition_comm->session_name_len - 1) != '\0') {
		ERR("Malformed session name encountered in condition buffer");
		ret = -1;
		goto end;
	}

	status = lttng_condition_session_consumed_size_set_session_name(condition, session_name);
	if (status != LTTNG_CONDITION_STATUS_OK) {
		ERR("Failed to set session consumed size condition's session name");
		ret = -1;
		goto end;
	}

	if (!lttng_condition_validate(condition)) {
		ret = -1;
		goto end;
	}

	condition_size = sizeof(*condition_comm) + (ssize_t) condition_comm->session_name_len;
	ret = condition_size;
end:
	return ret;
}

ssize_t
lttng_condition_session_consumed_size_create_from_payload(struct lttng_payload_view *view,
							  struct lttng_condition **_condition)
{
	ssize_t ret;
	struct lttng_condition *condition = lttng_condition_session_consumed_size_create();

	if (!_condition || !condition) {
		ret = -1;
		goto error;
	}

	ret = init_condition_from_payload(condition, view);
	if (ret < 0) {
		goto error;
	}

	*_condition = condition;
	return ret;
error:
	lttng_condition_destroy(condition);
	return ret;
}

static struct lttng_evaluation *
create_evaluation_from_payload(const struct lttng_payload_view *view)
{
	const struct lttng_evaluation_session_consumed_size_comm *comm =
		(typeof(comm)) view->buffer.data;
	struct lttng_evaluation *evaluation = nullptr;

	if (view->buffer.size < sizeof(*comm)) {
		goto end;
	}

	evaluation = lttng_evaluation_session_consumed_size_create(comm->session_consumed);
end:
	return evaluation;
}

ssize_t
lttng_evaluation_session_consumed_size_create_from_payload(struct lttng_payload_view *view,
							   struct lttng_evaluation **_evaluation)
{
	ssize_t ret;
	struct lttng_evaluation *evaluation = nullptr;

	if (!_evaluation) {
		ret = -1;
		goto error;
	}

	evaluation = create_evaluation_from_payload(view);
	if (!evaluation) {
		ret = -1;
		goto error;
	}

	*_evaluation = evaluation;
	ret = sizeof(struct lttng_evaluation_session_consumed_size_comm);
	return ret;
error:
	lttng_evaluation_destroy(evaluation);
	return ret;
}

enum lttng_condition_status
lttng_condition_session_consumed_size_get_threshold(const struct lttng_condition *condition,
						    uint64_t *consumed_threshold_bytes)
{
	struct lttng_condition_session_consumed_size *consumed;
	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;

	if (!condition || !IS_CONSUMED_SIZE_CONDITION(condition) || !consumed_threshold_bytes) {
		status = LTTNG_CONDITION_STATUS_INVALID;
		goto end;
	}

	consumed = lttng::utils::container_of(condition,
					      &lttng_condition_session_consumed_size::parent);
	if (!consumed->consumed_threshold_bytes.set) {
		status = LTTNG_CONDITION_STATUS_UNSET;
		goto end;
	}
	*consumed_threshold_bytes = consumed->consumed_threshold_bytes.value;
end:
	return status;
}

enum lttng_condition_status
lttng_condition_session_consumed_size_set_threshold(struct lttng_condition *condition,
						    uint64_t consumed_threshold_bytes)
{
	struct lttng_condition_session_consumed_size *consumed;
	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;

	if (!condition || !IS_CONSUMED_SIZE_CONDITION(condition)) {
		status = LTTNG_CONDITION_STATUS_INVALID;
		goto end;
	}

	consumed = lttng::utils::container_of(condition,
					      &lttng_condition_session_consumed_size::parent);
	consumed->consumed_threshold_bytes.set = true;
	consumed->consumed_threshold_bytes.value = consumed_threshold_bytes;
end:
	return status;
}

enum lttng_condition_status
lttng_condition_session_consumed_size_get_session_name(const struct lttng_condition *condition,
						       const char **session_name)
{
	struct lttng_condition_session_consumed_size *consumed;
	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;

	if (!condition || !IS_CONSUMED_SIZE_CONDITION(condition) || !session_name) {
		status = LTTNG_CONDITION_STATUS_INVALID;
		goto end;
	}

	consumed = lttng::utils::container_of(condition,
					      &lttng_condition_session_consumed_size::parent);
	if (!consumed->session_name) {
		status = LTTNG_CONDITION_STATUS_UNSET;
		goto end;
	}
	*session_name = consumed->session_name;
end:
	return status;
}

enum lttng_condition_status
lttng_condition_session_consumed_size_set_session_name(struct lttng_condition *condition,
						       const char *session_name)
{
	char *session_name_copy;
	struct lttng_condition_session_consumed_size *consumed;
	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;

	if (!condition || !IS_CONSUMED_SIZE_CONDITION(condition) || !session_name ||
	    strlen(session_name) == 0) {
		status = LTTNG_CONDITION_STATUS_INVALID;
		goto end;
	}

	consumed = lttng::utils::container_of(condition,
					      &lttng_condition_session_consumed_size::parent);
	session_name_copy = strdup(session_name);
	if (!session_name_copy) {
		status = LTTNG_CONDITION_STATUS_ERROR;
		goto end;
	}

	if (consumed->session_name) {
		free(consumed->session_name);
	}
	consumed->session_name = session_name_copy;
end:
	return status;
}

static int
lttng_evaluation_session_consumed_size_serialize(const struct lttng_evaluation *evaluation,
						 struct lttng_payload *payload)
{
	struct lttng_evaluation_session_consumed_size *consumed;
	struct lttng_evaluation_session_consumed_size_comm comm;

	consumed = lttng::utils::container_of(evaluation,
					      &lttng_evaluation_session_consumed_size::parent);
	comm.session_consumed = consumed->session_consumed;
	return lttng_dynamic_buffer_append(&payload->buffer, &comm, sizeof(comm));
}

static void lttng_evaluation_session_consumed_size_destroy(struct lttng_evaluation *evaluation)
{
	struct lttng_evaluation_session_consumed_size *consumed;

	consumed = lttng::utils::container_of(evaluation,
					      &lttng_evaluation_session_consumed_size::parent);
	free(consumed);
}

struct lttng_evaluation *lttng_evaluation_session_consumed_size_create(uint64_t consumed)
{
	struct lttng_evaluation_session_consumed_size *consumed_eval;

	consumed_eval = zmalloc<lttng_evaluation_session_consumed_size>();
	if (!consumed_eval) {
		goto end;
	}

	consumed_eval->parent.type = LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE;
	consumed_eval->session_consumed = consumed;
	consumed_eval->parent.serialize = lttng_evaluation_session_consumed_size_serialize;
	consumed_eval->parent.destroy = lttng_evaluation_session_consumed_size_destroy;
end:
	return &consumed_eval->parent;
}

enum lttng_evaluation_status
lttng_evaluation_session_consumed_size_get_consumed_size(const struct lttng_evaluation *evaluation,
							 uint64_t *session_consumed)
{
	struct lttng_evaluation_session_consumed_size *consumed;
	enum lttng_evaluation_status status = LTTNG_EVALUATION_STATUS_OK;

	if (!evaluation || !IS_CONSUMED_SIZE_EVALUATION(evaluation) || !session_consumed) {
		status = LTTNG_EVALUATION_STATUS_INVALID;
		goto end;
	}

	consumed = lttng::utils::container_of(evaluation,
					      &lttng_evaluation_session_consumed_size::parent);
	*session_consumed = consumed->session_consumed;
end:
	return status;
}
Commit	Line	Data
e8360425	1	/*
ab5be9fa	2	* Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
e8360425	3	*
ab5be9fa	4	* SPDX-License-Identifier: LGPL-2.1-only
e8360425	5	*
e8360425 JD	6	*/
e8360425 JD	7
c9e313bc SM	8	#include <common/error.hpp>
	9	#include <common/macros.hpp>
	10	#include <common/mi-lttng.hpp>
28ab034a	11
c9e313bc SM	12	#include <lttng/condition/condition-internal.hpp>
c9e313bc SM	13	#include <lttng/condition/session-consumed-size-internal.hpp>
319370bd	14	#include <lttng/constant.h>
28ab034a JG	15
28ab034a JG	16	#include <float.h>
e8360425	17	#include <math.h>
e8360425 JD	18	#include <time.h>
e8360425 JD	19
28ab034a JG	20	#define IS_CONSUMED_SIZE_CONDITION(condition) \
28ab034a JG	21	(lttng_condition_get_type(condition) == LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE)
e8360425	22
28ab034a JG	23	#define IS_CONSUMED_SIZE_EVALUATION(evaluation) \
28ab034a JG	24	(lttng_evaluation_get_type(evaluation) == LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE)
e8360425	25
28ab034a	26	static void lttng_condition_session_consumed_size_destroy(struct lttng_condition *condition)
e8360425 JD	27	{
	28	struct lttng_condition_session_consumed_size *consumed_size;
	29
0114db0e	30	consumed_size = lttng::utils::container_of(condition,
28ab034a	31	&lttng_condition_session_consumed_size::parent);
e8360425 JD	32
	33	free(consumed_size->session_name);
	34	free(consumed_size);
	35	}
	36
28ab034a	37	static bool lttng_condition_session_consumed_size_validate(const struct lttng_condition *condition)
e8360425 JD	38	{
	39	bool valid = false;
	40	struct lttng_condition_session_consumed_size *consumed;
	41
	42	if (!condition) {
	43	goto end;
	44	}
	45
0114db0e	46	consumed = lttng::utils::container_of(condition,
28ab034a	47	&lttng_condition_session_consumed_size::parent);
e8360425	48	if (!consumed->session_name) {
9ef5b6be	49	ERR("Invalid session consumed size condition: a target session name must be set.");
e8360425 JD	50	goto end;
	51	}
	52	if (!consumed->consumed_threshold_bytes.set) {
9ef5b6be	53	ERR("Invalid session consumed size condition: a threshold must be set.");
e8360425 JD	54	goto end;
	55	}
	56
	57	valid = true;
	58	end:
	59	return valid;
	60	}
	61
28ab034a JG	62	static int lttng_condition_session_consumed_size_serialize(const struct lttng_condition *condition,
28ab034a JG	63	struct lttng_payload *payload)
e8360425	64	{
3647288f	65	int ret;
e8360425	66	size_t session_name_len;
3647288f JG	67	struct lttng_condition_session_consumed_size *consumed;
3647288f JG	68	struct lttng_condition_session_consumed_size_comm consumed_comm;
e8360425 JD	69
	70	if (!condition \|\| !IS_CONSUMED_SIZE_CONDITION(condition)) {
	71	ret = -1;
	72	goto end;
	73	}
	74
3647288f	75	DBG("Serializing session consumed size condition");
0114db0e	76	consumed = lttng::utils::container_of(condition,
28ab034a	77	&lttng_condition_session_consumed_size::parent);
3647288f	78
e8360425 JD	79	session_name_len = strlen(consumed->session_name) + 1;
	80	if (session_name_len > LTTNG_NAME_MAX) {
	81	ret = -1;
	82	goto end;
	83	}
3647288f	84
28ab034a	85	consumed_comm.consumed_threshold_bytes = consumed->consumed_threshold_bytes.value;
3647288f JG	86	consumed_comm.session_name_len = (uint32_t) session_name_len;
3647288f JG	87
28ab034a	88	ret = lttng_dynamic_buffer_append(&payload->buffer, &consumed_comm, sizeof(consumed_comm));
3647288f JG	89	if (ret) {
	90	goto end;
	91	}
c0a66c84	92
28ab034a JG	93	ret = lttng_dynamic_buffer_append(
28ab034a JG	94	&payload->buffer, consumed->session_name, session_name_len);
3647288f JG	95	if (ret) {
3647288f JG	96	goto end;
e8360425	97	}
e8360425 JD	98	end:
	99	return ret;
	100	}
	101
28ab034a JG	102	static bool lttng_condition_session_consumed_size_is_equal(const struct lttng_condition *_a,
28ab034a JG	103	const struct lttng_condition *_b)
e8360425 JD	104	{
	105	bool is_equal = false;
	106	struct lttng_condition_session_consumed_size a, b;
	107
0114db0e JG	108	a = lttng::utils::container_of(_a, &lttng_condition_session_consumed_size::parent);
0114db0e JG	109	b = lttng::utils::container_of(_b, &lttng_condition_session_consumed_size::parent);
e8360425 JD	110
	111	if (a->consumed_threshold_bytes.set && b->consumed_threshold_bytes.set) {
	112	uint64_t a_value, b_value;
	113
	114	a_value = a->consumed_threshold_bytes.value;
	115	b_value = b->consumed_threshold_bytes.value;
	116	if (a_value != b_value) {
	117	goto end;
	118	}
	119	}
	120
a0377dfe FD	121	LTTNG_ASSERT(a->session_name);
a0377dfe FD	122	LTTNG_ASSERT(b->session_name);
821d5e92	123	if (strcmp(a->session_name, b->session_name)) {
e8360425 JD	124	goto end;
	125	}
	126
	127	is_equal = true;
	128	end:
	129	return is_equal;
	130	}
	131
28ab034a JG	132	static enum lttng_error_code
	133	lttng_condition_session_consumed_size_mi_serialize(const struct lttng_condition *condition,
	134	struct mi_writer *writer)
6a751b95 JR	135	{
	136	int ret;
	137	enum lttng_error_code ret_code;
	138	enum lttng_condition_status status;
cd9adb8b	139	const char *session_name = nullptr;
6a751b95 JR	140	uint64_t threshold_bytes;
6a751b95 JR	141
a0377dfe FD	142	LTTNG_ASSERT(condition);
	143	LTTNG_ASSERT(writer);
	144	LTTNG_ASSERT(IS_CONSUMED_SIZE_CONDITION(condition));
6a751b95	145
28ab034a	146	status = lttng_condition_session_consumed_size_get_session_name(condition, &session_name);
a0377dfe FD	147	LTTNG_ASSERT(status == LTTNG_CONDITION_STATUS_OK);
a0377dfe FD	148	LTTNG_ASSERT(session_name);
6a751b95	149
28ab034a	150	status = lttng_condition_session_consumed_size_get_threshold(condition, &threshold_bytes);
a0377dfe	151	LTTNG_ASSERT(status == LTTNG_CONDITION_STATUS_OK);
6a751b95 JR	152
	153	/* Open condition session consumed size element. */
	154	ret = mi_lttng_writer_open_element(writer,
28ab034a	155	mi_lttng_element_condition_session_consumed_size);
6a751b95 JR	156	if (ret) {
	157	goto mi_error;
	158	}
	159
	160	/* Session name. */
	161	ret = mi_lttng_writer_write_element_string(
28ab034a	162	writer, mi_lttng_element_session_name, session_name);
6a751b95 JR	163	if (ret) {
	164	goto mi_error;
	165	}
	166
	167	/* Threshold in bytes. */
28ab034a JG	168	ret = mi_lttng_writer_write_element_unsigned_int(
28ab034a JG	169	writer, mi_lttng_element_condition_threshold_bytes, threshold_bytes);
6a751b95 JR	170	if (ret) {
	171	goto mi_error;
	172	}
	173
	174	/* Close condition session consumed size element. */
	175	ret = mi_lttng_writer_close_element(writer);
	176	if (ret) {
	177	goto mi_error;
	178	}
	179
	180	ret_code = LTTNG_OK;
	181	goto end;
	182
	183	mi_error:
	184	ret_code = LTTNG_ERR_MI_IO_FAIL;
	185	end:
	186	return ret_code;
	187	}
	188
e8360425 JD	189	struct lttng_condition *lttng_condition_session_consumed_size_create(void)
	190	{
	191	struct lttng_condition_session_consumed_size *condition;
	192
64803277	193	condition = zmalloc<lttng_condition_session_consumed_size>();
e8360425	194	if (!condition) {
cd9adb8b	195	return nullptr;
e8360425 JD	196	}
	197
	198	lttng_condition_init(&condition->parent, LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE);
	199	condition->parent.validate = lttng_condition_session_consumed_size_validate;
	200	condition->parent.serialize = lttng_condition_session_consumed_size_serialize;
	201	condition->parent.equal = lttng_condition_session_consumed_size_is_equal;
	202	condition->parent.destroy = lttng_condition_session_consumed_size_destroy;
6a751b95	203	condition->parent.mi_serialize = lttng_condition_session_consumed_size_mi_serialize;
e8360425 JD	204	return &condition->parent;
	205	}
	206
28ab034a JG	207	static ssize_t init_condition_from_payload(struct lttng_condition *condition,
28ab034a JG	208	struct lttng_payload_view *src_view)
e8360425 JD	209	{
	210	ssize_t ret, condition_size;
	211	enum lttng_condition_status status;
e8360425	212	const char *session_name;
3e6e0df2 JG	213	struct lttng_buffer_view session_name_view;
3e6e0df2 JG	214	const struct lttng_condition_session_consumed_size_comm *condition_comm;
28ab034a JG	215	struct lttng_payload_view condition_comm_view =
28ab034a JG	216	lttng_payload_view_from_view(src_view, 0, sizeof(*condition_comm));
e8360425	217
3e6e0df2	218	if (!lttng_payload_view_is_valid(&condition_comm_view)) {
e8360425 JD	219	ERR("Failed to initialize from malformed condition buffer: buffer too short to contain header");
	220	ret = -1;
	221	goto end;
	222	}
	223
3e6e0df2	224	condition_comm = (typeof(condition_comm)) condition_comm_view.buffer.data;
28ab034a JG	225	session_name_view = lttng_buffer_view_from_view(
28ab034a JG	226	&src_view->buffer, sizeof(*condition_comm), condition_comm->session_name_len);
e8360425 JD	227
	228	if (condition_comm->session_name_len > LTTNG_NAME_MAX) {
	229	ERR("Failed to initialize from malformed condition buffer: name exceeds LTTNG_MAX_NAME");
	230	ret = -1;
	231	goto end;
	232	}
	233
3e6e0df2	234	if (!lttng_buffer_view_is_valid(&session_name_view)) {
e8360425 JD	235	ERR("Failed to initialize from malformed condition buffer: buffer too short to contain element names");
	236	ret = -1;
	237	goto end;
	238	}
	239
28ab034a JG	240	status = lttng_condition_session_consumed_size_set_threshold(
28ab034a JG	241	condition, condition_comm->consumed_threshold_bytes);
e8360425	242	if (status != LTTNG_CONDITION_STATUS_OK) {
9ef5b6be	243	ERR("Failed to initialize session consumed size condition threshold");
e8360425 JD	244	ret = -1;
	245	goto end;
	246	}
	247
3e6e0df2	248	session_name = session_name_view.data;
e8360425 JD	249	if (*(session_name + condition_comm->session_name_len - 1) != '\0') {
	250	ERR("Malformed session name encountered in condition buffer");
	251	ret = -1;
	252	goto end;
	253	}
	254
28ab034a	255	status = lttng_condition_session_consumed_size_set_session_name(condition, session_name);
e8360425	256	if (status != LTTNG_CONDITION_STATUS_OK) {
9ef5b6be	257	ERR("Failed to set session consumed size condition's session name");
e8360425 JD	258	ret = -1;
	259	goto end;
	260	}
	261
	262	if (!lttng_condition_validate(condition)) {
	263	ret = -1;
	264	goto end;
	265	}
	266
28ab034a	267	condition_size = sizeof(*condition_comm) + (ssize_t) condition_comm->session_name_len;
e8360425 JD	268	ret = condition_size;
	269	end:
	270	return ret;
	271	}
	272
28ab034a JG	273	ssize_t
	274	lttng_condition_session_consumed_size_create_from_payload(struct lttng_payload_view *view,
	275	struct lttng_condition **_condition)
e8360425 JD	276	{
e8360425 JD	277	ssize_t ret;
28ab034a	278	struct lttng_condition *condition = lttng_condition_session_consumed_size_create();
e8360425 JD	279
	280	if (!_condition \|\| !condition) {
	281	ret = -1;
	282	goto error;
	283	}
	284
c0a66c84	285	ret = init_condition_from_payload(condition, view);
e8360425 JD	286	if (ret < 0) {
	287	goto error;
	288	}
	289
	290	*_condition = condition;
	291	return ret;
	292	error:
	293	lttng_condition_destroy(condition);
	294	return ret;
	295	}
	296
28ab034a JG	297	static struct lttng_evaluation *
28ab034a JG	298	create_evaluation_from_payload(const struct lttng_payload_view *view)
e8360425 JD	299	{
e8360425 JD	300	const struct lttng_evaluation_session_consumed_size_comm *comm =
28ab034a	301	(typeof(comm)) view->buffer.data;
cd9adb8b	302	struct lttng_evaluation *evaluation = nullptr;
e8360425	303
c0a66c84	304	if (view->buffer.size < sizeof(*comm)) {
e8360425 JD	305	goto end;
	306	}
	307
28ab034a	308	evaluation = lttng_evaluation_session_consumed_size_create(comm->session_consumed);
e8360425 JD	309	end:
	310	return evaluation;
	311	}
	312
28ab034a JG	313	ssize_t
	314	lttng_evaluation_session_consumed_size_create_from_payload(struct lttng_payload_view *view,
	315	struct lttng_evaluation **_evaluation)
e8360425 JD	316	{
e8360425 JD	317	ssize_t ret;
cd9adb8b	318	struct lttng_evaluation *evaluation = nullptr;
e8360425 JD	319
	320	if (!_evaluation) {
	321	ret = -1;
	322	goto error;
	323	}
	324
c0a66c84	325	evaluation = create_evaluation_from_payload(view);
e8360425 JD	326	if (!evaluation) {
	327	ret = -1;
	328	goto error;
	329	}
	330
	331	*_evaluation = evaluation;
	332	ret = sizeof(struct lttng_evaluation_session_consumed_size_comm);
	333	return ret;
	334	error:
	335	lttng_evaluation_destroy(evaluation);
	336	return ret;
	337	}
	338
	339	enum lttng_condition_status
28ab034a JG	340	lttng_condition_session_consumed_size_get_threshold(const struct lttng_condition *condition,
28ab034a JG	341	uint64_t *consumed_threshold_bytes)
e8360425 JD	342	{
	343	struct lttng_condition_session_consumed_size *consumed;
	344	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
	345
	346	if (!condition \|\| !IS_CONSUMED_SIZE_CONDITION(condition) \|\| !consumed_threshold_bytes) {
	347	status = LTTNG_CONDITION_STATUS_INVALID;
	348	goto end;
	349	}
	350
0114db0e	351	consumed = lttng::utils::container_of(condition,
28ab034a	352	&lttng_condition_session_consumed_size::parent);
e8360425 JD	353	if (!consumed->consumed_threshold_bytes.set) {
	354	status = LTTNG_CONDITION_STATUS_UNSET;
	355	goto end;
	356	}
	357	*consumed_threshold_bytes = consumed->consumed_threshold_bytes.value;
	358	end:
	359	return status;
	360	}
	361
	362	enum lttng_condition_status
28ab034a JG	363	lttng_condition_session_consumed_size_set_threshold(struct lttng_condition *condition,
28ab034a JG	364	uint64_t consumed_threshold_bytes)
e8360425 JD	365	{
	366	struct lttng_condition_session_consumed_size *consumed;
	367	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
	368
	369	if (!condition \|\| !IS_CONSUMED_SIZE_CONDITION(condition)) {
	370	status = LTTNG_CONDITION_STATUS_INVALID;
	371	goto end;
	372	}
	373
0114db0e	374	consumed = lttng::utils::container_of(condition,
28ab034a	375	&lttng_condition_session_consumed_size::parent);
e8360425 JD	376	consumed->consumed_threshold_bytes.set = true;
	377	consumed->consumed_threshold_bytes.value = consumed_threshold_bytes;
	378	end:
	379	return status;
	380	}
	381
	382	enum lttng_condition_status
28ab034a JG	383	lttng_condition_session_consumed_size_get_session_name(const struct lttng_condition *condition,
28ab034a JG	384	const char **session_name)
e8360425 JD	385	{
	386	struct lttng_condition_session_consumed_size *consumed;
	387	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
	388
	389	if (!condition \|\| !IS_CONSUMED_SIZE_CONDITION(condition) \|\| !session_name) {
	390	status = LTTNG_CONDITION_STATUS_INVALID;
	391	goto end;
	392	}
	393
0114db0e	394	consumed = lttng::utils::container_of(condition,
28ab034a	395	&lttng_condition_session_consumed_size::parent);
e8360425 JD	396	if (!consumed->session_name) {
	397	status = LTTNG_CONDITION_STATUS_UNSET;
	398	goto end;
	399	}
	400	*session_name = consumed->session_name;
	401	end:
	402	return status;
	403	}
	404
	405	enum lttng_condition_status
28ab034a JG	406	lttng_condition_session_consumed_size_set_session_name(struct lttng_condition *condition,
28ab034a JG	407	const char *session_name)
e8360425 JD	408	{
	409	char *session_name_copy;
	410	struct lttng_condition_session_consumed_size *consumed;
	411	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
	412
28ab034a JG	413	if (!condition \|\| !IS_CONSUMED_SIZE_CONDITION(condition) \|\| !session_name \|\|
28ab034a JG	414	strlen(session_name) == 0) {
e8360425 JD	415	status = LTTNG_CONDITION_STATUS_INVALID;
	416	goto end;
	417	}
	418
0114db0e	419	consumed = lttng::utils::container_of(condition,
28ab034a	420	&lttng_condition_session_consumed_size::parent);
e8360425 JD	421	session_name_copy = strdup(session_name);
	422	if (!session_name_copy) {
	423	status = LTTNG_CONDITION_STATUS_ERROR;
	424	goto end;
	425	}
	426
	427	if (consumed->session_name) {
	428	free(consumed->session_name);
	429	}
	430	consumed->session_name = session_name_copy;
	431	end:
	432	return status;
	433	}
	434
28ab034a JG	435	static int
	436	lttng_evaluation_session_consumed_size_serialize(const struct lttng_evaluation *evaluation,
	437	struct lttng_payload *payload)
e8360425	438	{
e8360425	439	struct lttng_evaluation_session_consumed_size *consumed;
3647288f	440	struct lttng_evaluation_session_consumed_size_comm comm;
e8360425	441
0114db0e	442	consumed = lttng::utils::container_of(evaluation,
28ab034a	443	&lttng_evaluation_session_consumed_size::parent);
3647288f	444	comm.session_consumed = consumed->session_consumed;
28ab034a	445	return lttng_dynamic_buffer_append(&payload->buffer, &comm, sizeof(comm));
e8360425 JD	446	}
e8360425 JD	447
28ab034a	448	static void lttng_evaluation_session_consumed_size_destroy(struct lttng_evaluation *evaluation)
e8360425 JD	449	{
	450	struct lttng_evaluation_session_consumed_size *consumed;
	451
0114db0e	452	consumed = lttng::utils::container_of(evaluation,
28ab034a	453	&lttng_evaluation_session_consumed_size::parent);
e8360425 JD	454	free(consumed);
	455	}
	456
28ab034a	457	struct lttng_evaluation *lttng_evaluation_session_consumed_size_create(uint64_t consumed)
e8360425 JD	458	{
	459	struct lttng_evaluation_session_consumed_size *consumed_eval;
	460
64803277	461	consumed_eval = zmalloc<lttng_evaluation_session_consumed_size>();
e8360425 JD	462	if (!consumed_eval) {
	463	goto end;
	464	}
	465
5f2c1c0f	466	consumed_eval->parent.type = LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE;
e8360425 JD	467	consumed_eval->session_consumed = consumed;
	468	consumed_eval->parent.serialize = lttng_evaluation_session_consumed_size_serialize;
	469	consumed_eval->parent.destroy = lttng_evaluation_session_consumed_size_destroy;
	470	end:
	471	return &consumed_eval->parent;
	472	}
	473
	474	enum lttng_evaluation_status
28ab034a JG	475	lttng_evaluation_session_consumed_size_get_consumed_size(const struct lttng_evaluation *evaluation,
28ab034a JG	476	uint64_t *session_consumed)
e8360425 JD	477	{
	478	struct lttng_evaluation_session_consumed_size *consumed;
	479	enum lttng_evaluation_status status = LTTNG_EVALUATION_STATUS_OK;
	480
28ab034a	481	if (!evaluation \|\| !IS_CONSUMED_SIZE_EVALUATION(evaluation) \|\| !session_consumed) {
e8360425 JD	482	status = LTTNG_EVALUATION_STATUS_INVALID;
	483	goto end;
	484	}
	485
0114db0e	486	consumed = lttng::utils::container_of(evaluation,
28ab034a	487	&lttng_evaluation_session_consumed_size::parent);
e8360425 JD	488	*session_consumed = consumed->session_consumed;
	489	end:
	490	return status;
	491	}