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

/*
 * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License, version 2.1 only,
 * as published by the Free Software Foundation.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <lttng/condition/condition-internal.h>
#include <lttng/condition/session-consumed-size-internal.h>
#include <lttng/constant.h>
#include <common/macros.h>
#include <common/error.h>
#include <assert.h>
#include <math.h>
#include <float.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 = container_of(condition,
			struct 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 = container_of(condition, struct lttng_condition_session_consumed_size,
			parent);
	if (!consumed->session_name) {
		ERR("Invalid buffer condition: a target session name must be set.");
		goto end;
	}
	if (!consumed->consumed_threshold_bytes.set) {
		ERR("Invalid session 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_dynamic_buffer *buf)
{
	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 = container_of(condition,
			struct 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(buf, &consumed_comm,
			sizeof(consumed_comm));
	if (ret) {
		goto end;
	}
	ret = lttng_dynamic_buffer_append(buf, 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 = container_of(_a, struct lttng_condition_session_consumed_size, parent);
	b = container_of(_b, struct 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;
		}
	}

	if ((a->session_name && !b->session_name) ||
			(!a->session_name && b->session_name)) {
		goto end;
	}

	is_equal = true;
end:
	return is_equal;
}

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

	condition = zmalloc(sizeof(struct lttng_condition_session_consumed_size));
	if (!condition) {
		return NULL;
	}

	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;
	return &condition->parent;
}

static
ssize_t init_condition_from_buffer(struct lttng_condition *condition,
		const struct lttng_buffer_view *src_view)
{
	ssize_t ret, condition_size;
	enum lttng_condition_status status;
	const struct lttng_condition_session_consumed_size_comm *condition_comm;
	const char *session_name;
	struct lttng_buffer_view names_view;

	if (src_view->size < sizeof(*condition_comm)) {
		ERR("Failed to initialize from malformed condition buffer: buffer too short to contain header");
		ret = -1;
		goto end;
	}

	condition_comm = (const struct lttng_condition_session_consumed_size_comm *) src_view->data;
	names_view = lttng_buffer_view_from_view(src_view,
			sizeof(*condition_comm), -1);

	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 (names_view.size < condition_comm->session_name_len) {
		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 condition threshold");
		ret = -1;
		goto end;
	}

	session_name = names_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 buffer consumed 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;
}

LTTNG_HIDDEN
ssize_t lttng_condition_session_consumed_size_create_from_buffer(
		const struct lttng_buffer_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_buffer(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_buffer(
		const struct lttng_buffer_view *view)
{
	const struct lttng_evaluation_session_consumed_size_comm *comm =
			(const struct lttng_evaluation_session_consumed_size_comm *) view->data;
	struct lttng_evaluation *evaluation = NULL;

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

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

LTTNG_HIDDEN
ssize_t lttng_evaluation_session_consumed_size_create_from_buffer(
		const struct lttng_buffer_view *view,
		struct lttng_evaluation **_evaluation)
{
	ssize_t ret;
	struct lttng_evaluation *evaluation = NULL;

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

	evaluation = create_evaluation_from_buffer(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 = container_of(condition, struct 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 = container_of(condition, struct 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 = container_of(condition, struct 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 = container_of(condition, struct 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(
		struct lttng_evaluation *evaluation,
		struct lttng_dynamic_buffer *buf)
{
	struct lttng_evaluation_session_consumed_size *consumed;
	struct lttng_evaluation_session_consumed_size_comm comm;

	consumed = container_of(evaluation, struct lttng_evaluation_session_consumed_size,
			parent);
	comm.session_consumed = consumed->session_consumed;
	return lttng_dynamic_buffer_append(buf, &comm, sizeof(comm));
}

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

	consumed = container_of(evaluation, struct lttng_evaluation_session_consumed_size,
			parent);
	free(consumed);
}

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

	consumed_eval = zmalloc(sizeof(struct 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 = container_of(evaluation, struct lttng_evaluation_session_consumed_size,
			parent);
	*session_consumed = consumed->session_consumed;
end:
	return status;
}
Commit	Line	Data
e8360425 JD	1	/*
	2	* Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
	3	*
	4	* This library is free software; you can redistribute it and/or modify it
	5	* under the terms of the GNU Lesser General Public License, version 2.1 only,
	6	* as published by the Free Software Foundation.
	7	*
	8	* This library is distributed in the hope that it will be useful, but WITHOUT
	9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	10	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
	11	* for more details.
	12	*
	13	* You should have received a copy of the GNU Lesser General Public License
	14	* along with this library; if not, write to the Free Software Foundation,
	15	* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	16	*/
	17
	18	#include <lttng/condition/condition-internal.h>
	19	#include <lttng/condition/session-consumed-size-internal.h>
319370bd	20	#include <lttng/constant.h>
e8360425 JD	21	#include <common/macros.h>
	22	#include <common/error.h>
	23	#include <assert.h>
	24	#include <math.h>
	25	#include <float.h>
	26	#include <time.h>
	27
	28	#define IS_CONSUMED_SIZE_CONDITION(condition) ( \
	29	lttng_condition_get_type(condition) == LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE \
	30	)
	31
	32	#define IS_CONSUMED_SIZE_EVALUATION(evaluation) ( \
	33	lttng_evaluation_get_type(evaluation) == LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE \
	34	)
	35
	36	static
	37	void lttng_condition_session_consumed_size_destroy(struct lttng_condition *condition)
	38	{
	39	struct lttng_condition_session_consumed_size *consumed_size;
	40
	41	consumed_size = container_of(condition,
	42	struct lttng_condition_session_consumed_size, parent);
	43
	44	free(consumed_size->session_name);
	45	free(consumed_size);
	46	}
	47
	48	static
	49	bool lttng_condition_session_consumed_size_validate(
	50	const struct lttng_condition *condition)
	51	{
	52	bool valid = false;
	53	struct lttng_condition_session_consumed_size *consumed;
	54
	55	if (!condition) {
	56	goto end;
	57	}
	58
	59	consumed = container_of(condition, struct lttng_condition_session_consumed_size,
	60	parent);
	61	if (!consumed->session_name) {
	62	ERR("Invalid buffer condition: a target session name must be set.");
	63	goto end;
	64	}
	65	if (!consumed->consumed_threshold_bytes.set) {
	66	ERR("Invalid session condition: a threshold must be set.");
	67	goto end;
	68	}
	69
	70	valid = true;
	71	end:
	72	return valid;
	73	}
	74
	75	static
3647288f JG	76	int lttng_condition_session_consumed_size_serialize(
	77	const struct lttng_condition *condition,
	78	struct lttng_dynamic_buffer *buf)
e8360425	79	{
3647288f	80	int ret;
e8360425	81	size_t session_name_len;
3647288f JG	82	struct lttng_condition_session_consumed_size *consumed;
3647288f JG	83	struct lttng_condition_session_consumed_size_comm consumed_comm;
e8360425 JD	84
	85	if (!condition \|\| !IS_CONSUMED_SIZE_CONDITION(condition)) {
	86	ret = -1;
	87	goto end;
	88	}
	89
3647288f JG	90	DBG("Serializing session consumed size condition");
	91	consumed = container_of(condition,
	92	struct lttng_condition_session_consumed_size,
e8360425	93	parent);
3647288f	94
e8360425 JD	95	session_name_len = strlen(consumed->session_name) + 1;
	96	if (session_name_len > LTTNG_NAME_MAX) {
	97	ret = -1;
	98	goto end;
	99	}
3647288f JG	100
	101	consumed_comm.consumed_threshold_bytes =
	102	consumed->consumed_threshold_bytes.value;
	103	consumed_comm.session_name_len = (uint32_t) session_name_len;
	104
	105	ret = lttng_dynamic_buffer_append(buf, &consumed_comm,
	106	sizeof(consumed_comm));
	107	if (ret) {
	108	goto end;
	109	}
	110	ret = lttng_dynamic_buffer_append(buf, consumed->session_name,
	111	session_name_len);
	112	if (ret) {
	113	goto end;
e8360425	114	}
e8360425 JD	115	end:
	116	return ret;
	117	}
	118
	119	static
	120	bool lttng_condition_session_consumed_size_is_equal(const struct lttng_condition *_a,
	121	const struct lttng_condition *_b)
	122	{
	123	bool is_equal = false;
	124	struct lttng_condition_session_consumed_size a, b;
	125
	126	a = container_of(_a, struct lttng_condition_session_consumed_size, parent);
	127	b = container_of(_b, struct lttng_condition_session_consumed_size, parent);
	128
	129	if (a->consumed_threshold_bytes.set && b->consumed_threshold_bytes.set) {
	130	uint64_t a_value, b_value;
	131
	132	a_value = a->consumed_threshold_bytes.value;
	133	b_value = b->consumed_threshold_bytes.value;
	134	if (a_value != b_value) {
	135	goto end;
	136	}
	137	}
	138
	139	if ((a->session_name && !b->session_name) \|\|
	140	(!a->session_name && b->session_name)) {
	141	goto end;
	142	}
	143
	144	is_equal = true;
	145	end:
	146	return is_equal;
	147	}
	148
	149	struct lttng_condition *lttng_condition_session_consumed_size_create(void)
	150	{
	151	struct lttng_condition_session_consumed_size *condition;
	152
	153	condition = zmalloc(sizeof(struct lttng_condition_session_consumed_size));
	154	if (!condition) {
	155	return NULL;
	156	}
	157
	158	lttng_condition_init(&condition->parent, LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE);
	159	condition->parent.validate = lttng_condition_session_consumed_size_validate;
	160	condition->parent.serialize = lttng_condition_session_consumed_size_serialize;
	161	condition->parent.equal = lttng_condition_session_consumed_size_is_equal;
	162	condition->parent.destroy = lttng_condition_session_consumed_size_destroy;
	163	return &condition->parent;
	164	}
	165
	166	static
	167	ssize_t init_condition_from_buffer(struct lttng_condition *condition,
	168	const struct lttng_buffer_view *src_view)
	169	{
	170	ssize_t ret, condition_size;
	171	enum lttng_condition_status status;
	172	const struct lttng_condition_session_consumed_size_comm *condition_comm;
	173	const char *session_name;
	174	struct lttng_buffer_view names_view;
	175
	176	if (src_view->size < sizeof(*condition_comm)) {
	177	ERR("Failed to initialize from malformed condition buffer: buffer too short to contain header");
	178	ret = -1;
179	goto end;
180	}
181
182	condition_comm = (const struct lttng_condition_session_consumed_size_comm *) src_view->data;
183	names_view = lttng_buffer_view_from_view(src_view,
184	sizeof(*condition_comm), -1);
185
186	if (condition_comm->session_name_len > LTTNG_NAME_MAX) {
187	ERR("Failed to initialize from malformed condition buffer: name exceeds LTTNG_MAX_NAME");
188	ret = -1;
189	goto end;
190	}
191
192	if (names_view.size < condition_comm->session_name_len) {
193	ERR("Failed to initialize from malformed condition buffer: buffer too short to contain element names");
194	ret = -1;
195	goto end;
196	}
197
198	status = lttng_condition_session_consumed_size_set_threshold(condition,
199	condition_comm->consumed_threshold_bytes);
200	if (status != LTTNG_CONDITION_STATUS_OK) {
201	ERR("Failed to initialize session consumed condition threshold");
202	ret = -1;
203	goto end;
204	}
205
206	session_name = names_view.data;
207	if (*(session_name + condition_comm->session_name_len - 1) != '\0') {
208	ERR("Malformed session name encountered in condition buffer");
209	ret = -1;
210	goto end;
211	}
212
213	status = lttng_condition_session_consumed_size_set_session_name(condition,
214	session_name);
215	if (status != LTTNG_CONDITION_STATUS_OK) {
216	ERR("Failed to set buffer consumed session name");
217	ret = -1;
218	goto end;
219	}
220
221	if (!lttng_condition_validate(condition)) {
222	ret = -1;
223	goto end;
224	}
225
226	condition_size = sizeof(*condition_comm) +
227	(ssize_t) condition_comm->session_name_len;
228	ret = condition_size;
229	end:
230	return ret;
231	}
232
233	LTTNG_HIDDEN
234	ssize_t lttng_condition_session_consumed_size_create_from_buffer(
235	const struct lttng_buffer_view *view,
236	struct lttng_condition **_condition)
237	{
238	ssize_t ret;
239	struct lttng_condition *condition =
240	lttng_condition_session_consumed_size_create();
241
242	if (!_condition \|\| !condition) {
243	ret = -1;
244	goto error;
245	}
246
247	ret = init_condition_from_buffer(condition, view);
248	if (ret < 0) {
249	goto error;
250	}
251
252	*_condition = condition;
253	return ret;
254	error:
255	lttng_condition_destroy(condition);
256	return ret;
257	}
258
259	static
260	struct lttng_evaluation *create_evaluation_from_buffer(
e8360425 JD	261	const struct lttng_buffer_view *view)
	262	{
	263	const struct lttng_evaluation_session_consumed_size_comm *comm =
	264	(const struct lttng_evaluation_session_consumed_size_comm *) view->data;
	265	struct lttng_evaluation *evaluation = NULL;
	266
	267	if (view->size < sizeof(*comm)) {
	268	goto end;
	269	}
	270
5f2c1c0f	271	evaluation = lttng_evaluation_session_consumed_size_create(
e8360425 JD	272	comm->session_consumed);
	273	end:
	274	return evaluation;
	275	}
	276
	277	LTTNG_HIDDEN
	278	ssize_t lttng_evaluation_session_consumed_size_create_from_buffer(
	279	const struct lttng_buffer_view *view,
	280	struct lttng_evaluation **_evaluation)
	281	{
	282	ssize_t ret;
	283	struct lttng_evaluation *evaluation = NULL;
	284
	285	if (!_evaluation) {
	286	ret = -1;
	287	goto error;
	288	}
	289
5f2c1c0f	290	evaluation = create_evaluation_from_buffer(view);
e8360425 JD	291	if (!evaluation) {
	292	ret = -1;
	293	goto error;
	294	}
	295
	296	*_evaluation = evaluation;
	297	ret = sizeof(struct lttng_evaluation_session_consumed_size_comm);
	298	return ret;
	299	error:
	300	lttng_evaluation_destroy(evaluation);
	301	return ret;
	302	}
	303
	304	enum lttng_condition_status
	305	lttng_condition_session_consumed_size_get_threshold(
	306	const struct lttng_condition *condition,
	307	uint64_t *consumed_threshold_bytes)
	308	{
	309	struct lttng_condition_session_consumed_size *consumed;
	310	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
	311
	312	if (!condition \|\| !IS_CONSUMED_SIZE_CONDITION(condition) \|\| !consumed_threshold_bytes) {
	313	status = LTTNG_CONDITION_STATUS_INVALID;
	314	goto end;
	315	}
	316
	317	consumed = container_of(condition, struct lttng_condition_session_consumed_size,
	318	parent);
	319	if (!consumed->consumed_threshold_bytes.set) {
	320	status = LTTNG_CONDITION_STATUS_UNSET;
	321	goto end;
	322	}
	323	*consumed_threshold_bytes = consumed->consumed_threshold_bytes.value;
	324	end:
	325	return status;
	326	}
	327
	328	enum lttng_condition_status
	329	lttng_condition_session_consumed_size_set_threshold(
	330	struct lttng_condition *condition, uint64_t consumed_threshold_bytes)
	331	{
	332	struct lttng_condition_session_consumed_size *consumed;
	333	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
	334
	335	if (!condition \|\| !IS_CONSUMED_SIZE_CONDITION(condition)) {
	336	status = LTTNG_CONDITION_STATUS_INVALID;
	337	goto end;
	338	}
	339
	340	consumed = container_of(condition, struct lttng_condition_session_consumed_size,
	341	parent);
	342	consumed->consumed_threshold_bytes.set = true;
	343	consumed->consumed_threshold_bytes.value = consumed_threshold_bytes;
	344	end:
	345	return status;
	346	}
	347
	348	enum lttng_condition_status
	349	lttng_condition_session_consumed_size_get_session_name(
	350	const struct lttng_condition *condition,
	351	const char **session_name)
	352	{
	353	struct lttng_condition_session_consumed_size *consumed;
	354	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
355
356	if (!condition \|\| !IS_CONSUMED_SIZE_CONDITION(condition) \|\| !session_name) {
357	status = LTTNG_CONDITION_STATUS_INVALID;
358	goto end;
359	}
360
361	consumed = container_of(condition, struct lttng_condition_session_consumed_size,
362	parent);
363	if (!consumed->session_name) {
364	status = LTTNG_CONDITION_STATUS_UNSET;
365	goto end;
366	}
367	*session_name = consumed->session_name;
368	end:
369	return status;
370	}
371
372	enum lttng_condition_status
373	lttng_condition_session_consumed_size_set_session_name(
374	struct lttng_condition condition, const char session_name)
375	{
376	char *session_name_copy;
377	struct lttng_condition_session_consumed_size *consumed;
378	enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
379
380	if (!condition \|\| !IS_CONSUMED_SIZE_CONDITION(condition) \|\|
381	!session_name \|\| strlen(session_name) == 0) {
382	status = LTTNG_CONDITION_STATUS_INVALID;
383	goto end;
384	}
385
386	consumed = container_of(condition, struct lttng_condition_session_consumed_size,
387	parent);
388	session_name_copy = strdup(session_name);
389	if (!session_name_copy) {
390	status = LTTNG_CONDITION_STATUS_ERROR;
391	goto end;
392	}
393
394	if (consumed->session_name) {
395	free(consumed->session_name);
396	}
397	consumed->session_name = session_name_copy;
398	end:
399	return status;
400	}
401
402	static
3647288f JG	403	int lttng_evaluation_session_consumed_size_serialize(
	404	struct lttng_evaluation *evaluation,
	405	struct lttng_dynamic_buffer *buf)
e8360425	406	{
e8360425	407	struct lttng_evaluation_session_consumed_size *consumed;
3647288f	408	struct lttng_evaluation_session_consumed_size_comm comm;
e8360425 JD	409
	410	consumed = container_of(evaluation, struct lttng_evaluation_session_consumed_size,
	411	parent);
3647288f JG	412	comm.session_consumed = consumed->session_consumed;
3647288f JG	413	return lttng_dynamic_buffer_append(buf, &comm, sizeof(comm));
e8360425 JD	414	}
	415
	416	static
	417	void lttng_evaluation_session_consumed_size_destroy(
	418	struct lttng_evaluation *evaluation)
	419	{
	420	struct lttng_evaluation_session_consumed_size *consumed;
	421
	422	consumed = container_of(evaluation, struct lttng_evaluation_session_consumed_size,
	423	parent);
	424	free(consumed);
	425	}
	426
	427	LTTNG_HIDDEN
	428	struct lttng_evaluation *lttng_evaluation_session_consumed_size_create(
5f2c1c0f	429	uint64_t consumed)
e8360425 JD	430	{
	431	struct lttng_evaluation_session_consumed_size *consumed_eval;
	432
	433	consumed_eval = zmalloc(sizeof(struct lttng_evaluation_session_consumed_size));
	434	if (!consumed_eval) {
	435	goto end;
	436	}
	437
5f2c1c0f	438	consumed_eval->parent.type = LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE;
e8360425 JD	439	consumed_eval->session_consumed = consumed;
	440	consumed_eval->parent.serialize = lttng_evaluation_session_consumed_size_serialize;
	441	consumed_eval->parent.destroy = lttng_evaluation_session_consumed_size_destroy;
	442	end:
	443	return &consumed_eval->parent;
	444	}
	445
	446	enum lttng_evaluation_status
	447	lttng_evaluation_session_consumed_size_get_consumed_size(
	448	const struct lttng_evaluation *evaluation,
	449	uint64_t *session_consumed)
	450	{
	451	struct lttng_evaluation_session_consumed_size *consumed;
	452	enum lttng_evaluation_status status = LTTNG_EVALUATION_STATUS_OK;
	453
	454	if (!evaluation \|\| !IS_CONSUMED_SIZE_EVALUATION(evaluation) \|\|
	455	!session_consumed) {
	456	status = LTTNG_EVALUATION_STATUS_INVALID;
	457	goto end;
	458	}
	459
	460	consumed = container_of(evaluation, struct lttng_evaluation_session_consumed_size,
	461	parent);
	462	*session_consumed = consumed->session_consumed;
	463	end:
	464	return status;
	465	}