[babeltrace.git] / src / ctf-writer / attributes.c

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation
 * Copyright (c) 2015 Philippe Proulx <pproulx@efficios.com>
 *
 * Babeltrace CTF writer - Attributes
 */

#define BT_LOG_TAG "CTF-WRITER/ATTRS"
#include "logging.h"

#include "attributes.h"

#include "common/assert.h"
#include "common/macros.h"
#include "compat/string.h"
#include <babeltrace2-ctf-writer/object.h>
#include <inttypes.h>

#include "values.h"

#define BT_CTF_ATTR_NAME_INDEX		0
#define BT_CTF_ATTR_VALUE_INDEX		1

struct bt_ctf_private_value *bt_ctf_attributes_create(void)
{
	struct bt_ctf_private_value *attr_obj;

	/*
	 * Attributes: array value object of array value objects, each one
	 * containing two entries: a string value object (attributes
	 * field name), and a value object (attributes field value).
	 *
	 * Example (JSON representation):
	 *
	 *     [
	 *         ["hostname", "eeppdesk"],
	 *         ["sysname", "Linux"],
	 *         ["tracer_major", 2],
	 *         ["tracer_minor", 5]
	 *     ]
	 */
	BT_LOGD_STR("Creating attributes object.");
	attr_obj = bt_ctf_private_value_array_create();
	if (!attr_obj) {
		BT_LOGE_STR("Failed to create array value.");
	} else {
		BT_LOGD("Created attributes object: addr=%p",
			attr_obj);
	}

	return attr_obj;
}

void bt_ctf_attributes_destroy(struct bt_ctf_private_value *attr_obj)
{
	BT_LOGD("Destroying attributes object: addr=%p", attr_obj);
	bt_ctf_object_put_ref(attr_obj);
}

int64_t bt_ctf_attributes_get_count(struct bt_ctf_private_value *attr_obj)
{
	return bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
}

const char *bt_ctf_attributes_get_field_name(struct bt_ctf_private_value *attr_obj,
		uint64_t index)
{
	const char *ret = NULL;
	struct bt_ctf_private_value *attr_field_obj = NULL;
	struct bt_ctf_private_value *attr_field_name_obj = NULL;

	if (!attr_obj) {
		BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
		goto end;
	}

	if (index >= bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj))) {
		BT_LOGW("Invalid parameter: index is out of bounds: "
			"index=%" PRIu64 ", count=%" PRId64,
			index, bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj)));
		goto end;
	}

	attr_field_obj = bt_ctf_private_value_array_borrow_element_by_index(
		attr_obj, index);
	if (!attr_field_obj) {
		BT_LOGE("Cannot get attributes object's array value's element by index: "
			"value-addr=%p, index=%" PRIu64, attr_obj, index);
		goto end;
	}

	attr_field_name_obj =
		bt_ctf_private_value_array_borrow_element_by_index(
			attr_field_obj, BT_CTF_ATTR_NAME_INDEX);
	if (!attr_field_name_obj) {
		BT_LOGE("Cannot get attribute array value's element by index: "
			"value-addr=%p, index=%" PRIu64, attr_field_obj,
			(uint64_t) BT_CTF_ATTR_NAME_INDEX);
		goto end;
	}

	ret = bt_ctf_value_string_get(
		bt_ctf_private_value_as_value(attr_field_name_obj));

end:
	return ret;
}

struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_value(struct bt_ctf_private_value *attr_obj,
		uint64_t index)
{
	struct bt_ctf_private_value *value_obj = NULL;
	struct bt_ctf_private_value *attr_field_obj = NULL;

	if (!attr_obj) {
		BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
		goto end;
	}

	if (index >= bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj))) {
		BT_LOGW("Invalid parameter: index is out of bounds: "
			"index=%" PRIu64 ", count=%" PRId64,
			index, bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj)));
		goto end;
	}

	attr_field_obj = bt_ctf_private_value_array_borrow_element_by_index(
		attr_obj, index);
	if (!attr_field_obj) {
		BT_LOGE("Cannot get attributes object's array value's element by index: "
			"value-addr=%p, index=%" PRIu64, attr_obj, index);
		goto end;
	}

	value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_field_obj,
		BT_CTF_ATTR_VALUE_INDEX);
	if (!value_obj) {
		BT_LOGE("Cannot get attribute array value's element by index: "
			"value-addr=%p, index=%" PRIu64, attr_field_obj,
			(uint64_t) BT_CTF_ATTR_VALUE_INDEX);
	}

end:
	return value_obj;
}

static
struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_by_name(
		struct bt_ctf_private_value *attr_obj, const char *name)
{
	uint64_t i;
	int64_t attr_size;
	struct bt_ctf_private_value *value_obj = NULL;
	struct bt_ctf_private_value *attr_field_name_obj = NULL;

	attr_size = bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
	if (attr_size < 0) {
		BT_LOGE("Cannot get array value's size: value-addr=%p",
			attr_obj);
		goto error;
	}

	for (i = 0; i < attr_size; ++i) {
		const char *field_name;

		value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_obj, i);
		if (!value_obj) {
			BT_LOGE("Cannot get attributes object's array value's element by index: "
				"value-addr=%p, index=%" PRIu64, attr_obj, i);
			goto error;
		}

		attr_field_name_obj = bt_ctf_private_value_array_borrow_element_by_index(value_obj,
			BT_CTF_ATTR_NAME_INDEX);
		if (!attr_field_name_obj) {
			BT_LOGE("Cannot get attribute array value's element by index: "
				"value-addr=%p, index=%" PRIu64,
				value_obj, (int64_t) BT_CTF_ATTR_NAME_INDEX);
			goto error;
		}

		field_name = bt_ctf_value_string_get(
			bt_ctf_private_value_as_value(attr_field_name_obj));

		if (strcmp(field_name, name) == 0) {
			break;
		}

		value_obj = NULL;
	}

	return value_obj;

error:
	value_obj = NULL;
	return value_obj;
}

int bt_ctf_attributes_set_field_value(struct bt_ctf_private_value *attr_obj,
		const char *name, struct bt_ctf_private_value *value_obj)
{
	int ret = 0;
	struct bt_ctf_private_value *attr_field_obj = NULL;

	if (!attr_obj || !name || !value_obj) {
		BT_LOGW("Invalid parameter: attributes object, name, or value object is NULL: "
			"attr-value-addr=%p, name-addr=%p, value-addr=%p",
			attr_obj, name, value_obj);
		ret = -1;
		goto end;
	}

	attr_field_obj = bt_ctf_attributes_borrow_field_by_name(attr_obj, name);
	if (attr_field_obj) {
		ret = bt_ctf_private_value_array_set_element_by_index(
			attr_field_obj, BT_CTF_ATTR_VALUE_INDEX,
			bt_ctf_private_value_as_value(value_obj));
		attr_field_obj = NULL;
		goto end;
	}

	attr_field_obj = bt_ctf_private_value_array_create();
	if (!attr_field_obj) {
		BT_LOGE_STR("Failed to create empty array value.");
		ret = -1;
		goto end;
	}

	ret = bt_ctf_private_value_array_append_string_element(attr_field_obj, name);
	ret |= bt_ctf_private_value_array_append_element(attr_field_obj,
		bt_ctf_private_value_as_value(value_obj));
	if (ret) {
		BT_LOGE("Cannot append elements to array value: addr=%p",
			attr_field_obj);
		goto end;
	}

	ret = bt_ctf_private_value_array_append_element(attr_obj,
		bt_ctf_private_value_as_value(attr_field_obj));
	if (ret) {
		BT_LOGE("Cannot append element to array value: "
			"array-value-addr=%p, element-value-addr=%p",
			attr_obj, attr_field_obj);
	}

end:
	bt_ctf_object_put_ref(attr_field_obj);
	return ret;
}

struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_value_by_name(
		struct bt_ctf_private_value *attr_obj, const char *name)
{
	struct bt_ctf_private_value *value_obj = NULL;
	struct bt_ctf_private_value *attr_field_obj = NULL;

	if (!attr_obj || !name) {
		BT_LOGW("Invalid parameter: attributes object or name is NULL: "
			"value-addr=%p, name-addr=%p", attr_obj, name);
		goto end;
	}

	attr_field_obj = bt_ctf_attributes_borrow_field_by_name(attr_obj, name);
	if (!attr_field_obj) {
		BT_LOGD("Cannot find attributes object's field by name: "
			"value-addr=%p, name=\"%s\"", attr_obj, name);
		goto end;
	}

	value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_field_obj,
		BT_CTF_ATTR_VALUE_INDEX);
	if (!value_obj) {
		BT_LOGE("Cannot get attribute array value's element by index: "
			"value-addr=%p, index=%" PRIu64, attr_field_obj,
			(uint64_t) BT_CTF_ATTR_VALUE_INDEX);
	}

end:
	return value_obj;
}

int bt_ctf_attributes_freeze(struct bt_ctf_private_value *attr_obj)
{
	uint64_t i;
	int64_t count;
	int ret = 0;

	if (!attr_obj) {
		BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
		ret = -1;
		goto end;
	}

	BT_LOGD("Freezing attributes object: value-addr=%p", attr_obj);
	count = bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
	BT_ASSERT_DBG(count >= 0);

	/*
	 * We do not freeze the array value object itself here, since
	 * internal stuff could need to modify/add attributes. Each
	 * attribute is frozen one by one.
	 */
	for (i = 0; i < count; ++i) {
		struct bt_ctf_private_value *obj = NULL;

		obj = bt_ctf_attributes_borrow_field_value(attr_obj, i);
		if (!obj) {
			BT_LOGE("Cannot get attributes object's field value by index: "
				"value-addr=%p, index=%" PRIu64,
				attr_obj, i);
			ret = -1;
			goto end;
		}

		bt_ctf_value_freeze(bt_ctf_private_value_as_value(obj));
	}

end:
	return ret;
}
Commit	Line	Data
16ca5ff0	1	/*
0235b0db	2	* SPDX-License-Identifier: MIT
16ca5ff0 PP	3	*
	4	* Copyright (c) 2015 EfficiOS Inc. and Linux Foundation
	5	* Copyright (c) 2015 Philippe Proulx <pproulx@efficios.com>
	6	*
0235b0db	7	* Babeltrace CTF writer - Attributes
16ca5ff0 PP	8	*/
16ca5ff0 PP	9
350ad6c1	10	#define BT_LOG_TAG "CTF-WRITER/ATTRS"
67d2ce02	11	#include "logging.h"
16ca5ff0	12
7c7301d5 SM	13	#include "attributes.h"
7c7301d5 SM	14
578e048b	15	#include "common/assert.h"
91d81473	16	#include "common/macros.h"
578e048b	17	#include "compat/string.h"
217cf9d3	18	#include <babeltrace2-ctf-writer/object.h>
16ca5ff0 PP	19	#include <inttypes.h>
16ca5ff0 PP	20
578e048b MJ	21	#include "values.h"
578e048b MJ	22
16ca5ff0 PP	23	#define BT_CTF_ATTR_NAME_INDEX 0
	24	#define BT_CTF_ATTR_VALUE_INDEX 1
	25
e1e02a22	26	struct bt_ctf_private_value *bt_ctf_attributes_create(void)
16ca5ff0	27	{
e1e02a22	28	struct bt_ctf_private_value *attr_obj;
16ca5ff0 PP	29
	30	/*
	31	* Attributes: array value object of array value objects, each one
	32	* containing two entries: a string value object (attributes
	33	* field name), and a value object (attributes field value).
	34	*
	35	* Example (JSON representation):
	36	*
	37	* [
	38	* ["hostname", "eeppdesk"],
	39	* ["sysname", "Linux"],
	40	* ["tracer_major", 2],
	41	* ["tracer_minor", 5]
	42	* ]
	43	*/
	44	BT_LOGD_STR("Creating attributes object.");
e1e02a22	45	attr_obj = bt_ctf_private_value_array_create();
16ca5ff0 PP	46	if (!attr_obj) {
	47	BT_LOGE_STR("Failed to create array value.");
	48	} else {
	49	BT_LOGD("Created attributes object: addr=%p",
	50	attr_obj);
	51	}
	52
	53	return attr_obj;
	54	}
	55
e1e02a22	56	void bt_ctf_attributes_destroy(struct bt_ctf_private_value *attr_obj)
16ca5ff0 PP	57	{
16ca5ff0 PP	58	BT_LOGD("Destroying attributes object: addr=%p", attr_obj);
e1e02a22	59	bt_ctf_object_put_ref(attr_obj);
16ca5ff0 PP	60	}
16ca5ff0 PP	61
e1e02a22	62	int64_t bt_ctf_attributes_get_count(struct bt_ctf_private_value *attr_obj)
16ca5ff0	63	{
393729a6	64	return bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
16ca5ff0 PP	65	}
16ca5ff0 PP	66
e1e02a22	67	const char bt_ctf_attributes_get_field_name(struct bt_ctf_private_value attr_obj,
16ca5ff0 PP	68	uint64_t index)
16ca5ff0 PP	69	{
16ca5ff0	70	const char *ret = NULL;
e1e02a22 PP	71	struct bt_ctf_private_value *attr_field_obj = NULL;
e1e02a22 PP	72	struct bt_ctf_private_value *attr_field_name_obj = NULL;
16ca5ff0 PP	73
	74	if (!attr_obj) {
	75	BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
	76	goto end;
	77	}
	78
393729a6	79	if (index >= bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj))) {
16ca5ff0 PP	80	BT_LOGW("Invalid parameter: index is out of bounds: "
16ca5ff0 PP	81	"index=%" PRIu64 ", count=%" PRId64,
393729a6	82	index, bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj)));
16ca5ff0 PP	83	goto end;
	84	}
	85
e1e02a22	86	attr_field_obj = bt_ctf_private_value_array_borrow_element_by_index(
da91b29a	87	attr_obj, index);
16ca5ff0 PP	88	if (!attr_field_obj) {
	89	BT_LOGE("Cannot get attributes object's array value's element by index: "
	90	"value-addr=%p, index=%" PRIu64, attr_obj, index);
	91	goto end;
	92	}
	93
da91b29a	94	attr_field_name_obj =
e1e02a22	95	bt_ctf_private_value_array_borrow_element_by_index(
da91b29a	96	attr_field_obj, BT_CTF_ATTR_NAME_INDEX);
16ca5ff0 PP	97	if (!attr_field_name_obj) {
	98	BT_LOGE("Cannot get attribute array value's element by index: "
	99	"value-addr=%p, index=%" PRIu64, attr_field_obj,
	100	(uint64_t) BT_CTF_ATTR_NAME_INDEX);
	101	goto end;
	102	}
	103
e1e02a22 PP	104	ret = bt_ctf_value_string_get(
e1e02a22 PP	105	bt_ctf_private_value_as_value(attr_field_name_obj));
16ca5ff0 PP	106
	107	end:
	108	return ret;
	109	}
	110
e1e02a22	111	struct bt_ctf_private_value bt_ctf_attributes_borrow_field_value(struct bt_ctf_private_value attr_obj,
16ca5ff0 PP	112	uint64_t index)
16ca5ff0 PP	113	{
e1e02a22 PP	114	struct bt_ctf_private_value *value_obj = NULL;
e1e02a22 PP	115	struct bt_ctf_private_value *attr_field_obj = NULL;
16ca5ff0 PP	116
	117	if (!attr_obj) {
	118	BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
	119	goto end;
	120	}
	121
393729a6	122	if (index >= bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj))) {
16ca5ff0 PP	123	BT_LOGW("Invalid parameter: index is out of bounds: "
16ca5ff0 PP	124	"index=%" PRIu64 ", count=%" PRId64,
393729a6	125	index, bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj)));
16ca5ff0 PP	126	goto end;
	127	}
	128
e1e02a22	129	attr_field_obj = bt_ctf_private_value_array_borrow_element_by_index(
da91b29a	130	attr_obj, index);
16ca5ff0 PP	131	if (!attr_field_obj) {
	132	BT_LOGE("Cannot get attributes object's array value's element by index: "
	133	"value-addr=%p, index=%" PRIu64, attr_obj, index);
	134	goto end;
	135	}
	136
e1e02a22	137	value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_field_obj,
16ca5ff0 PP	138	BT_CTF_ATTR_VALUE_INDEX);
	139	if (!value_obj) {
	140	BT_LOGE("Cannot get attribute array value's element by index: "
	141	"value-addr=%p, index=%" PRIu64, attr_field_obj,
	142	(uint64_t) BT_CTF_ATTR_VALUE_INDEX);
	143	}
	144
	145	end:
	146	return value_obj;
	147	}
	148
	149	static
e1e02a22 PP	150	struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_by_name(
e1e02a22 PP	151	struct bt_ctf_private_value attr_obj, const char name)
16ca5ff0 PP	152	{
	153	uint64_t i;
	154	int64_t attr_size;
e1e02a22 PP	155	struct bt_ctf_private_value *value_obj = NULL;
e1e02a22 PP	156	struct bt_ctf_private_value *attr_field_name_obj = NULL;
16ca5ff0	157
393729a6	158	attr_size = bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
16ca5ff0 PP	159	if (attr_size < 0) {
	160	BT_LOGE("Cannot get array value's size: value-addr=%p",
	161	attr_obj);
	162	goto error;
	163	}
	164
	165	for (i = 0; i < attr_size; ++i) {
16ca5ff0 PP	166	const char *field_name;
16ca5ff0 PP	167
e1e02a22	168	value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_obj, i);
16ca5ff0 PP	169	if (!value_obj) {
	170	BT_LOGE("Cannot get attributes object's array value's element by index: "
	171	"value-addr=%p, index=%" PRIu64, attr_obj, i);
	172	goto error;
	173	}
	174
e1e02a22	175	attr_field_name_obj = bt_ctf_private_value_array_borrow_element_by_index(value_obj,
16ca5ff0 PP	176	BT_CTF_ATTR_NAME_INDEX);
	177	if (!attr_field_name_obj) {
	178	BT_LOGE("Cannot get attribute array value's element by index: "
	179	"value-addr=%p, index=%" PRIu64,
	180	value_obj, (int64_t) BT_CTF_ATTR_NAME_INDEX);
	181	goto error;
	182	}
	183
e1e02a22 PP	184	field_name = bt_ctf_value_string_get(
e1e02a22 PP	185	bt_ctf_private_value_as_value(attr_field_name_obj));
16ca5ff0	186
2242b43d	187	if (strcmp(field_name, name) == 0) {
16ca5ff0 PP	188	break;
	189	}
	190
	191	value_obj = NULL;
	192	}
	193
	194	return value_obj;
	195
	196	error:
	197	value_obj = NULL;
	198	return value_obj;
	199	}
	200
e1e02a22 PP	201	int bt_ctf_attributes_set_field_value(struct bt_ctf_private_value *attr_obj,
e1e02a22 PP	202	const char name, struct bt_ctf_private_value value_obj)
16ca5ff0 PP	203	{
16ca5ff0 PP	204	int ret = 0;
e1e02a22	205	struct bt_ctf_private_value *attr_field_obj = NULL;
16ca5ff0 PP	206
	207	if (!attr_obj \|\| !name \|\| !value_obj) {
	208	BT_LOGW("Invalid parameter: attributes object, name, or value object is NULL: "
	209	"attr-value-addr=%p, name-addr=%p, value-addr=%p",
	210	attr_obj, name, value_obj);
	211	ret = -1;
	212	goto end;
	213	}
	214
	215	attr_field_obj = bt_ctf_attributes_borrow_field_by_name(attr_obj, name);
	216	if (attr_field_obj) {
e1e02a22	217	ret = bt_ctf_private_value_array_set_element_by_index(
da91b29a	218	attr_field_obj, BT_CTF_ATTR_VALUE_INDEX,
e1e02a22	219	bt_ctf_private_value_as_value(value_obj));
16ca5ff0 PP	220	attr_field_obj = NULL;
	221	goto end;
	222	}
	223
e1e02a22	224	attr_field_obj = bt_ctf_private_value_array_create();
16ca5ff0 PP	225	if (!attr_field_obj) {
	226	BT_LOGE_STR("Failed to create empty array value.");
	227	ret = -1;
	228	goto end;
	229	}
	230
e1e02a22 PP	231	ret = bt_ctf_private_value_array_append_string_element(attr_field_obj, name);
	232	ret \|= bt_ctf_private_value_array_append_element(attr_field_obj,
	233	bt_ctf_private_value_as_value(value_obj));
16ca5ff0 PP	234	if (ret) {
	235	BT_LOGE("Cannot append elements to array value: addr=%p",
	236	attr_field_obj);
	237	goto end;
	238	}
	239
e1e02a22 PP	240	ret = bt_ctf_private_value_array_append_element(attr_obj,
e1e02a22 PP	241	bt_ctf_private_value_as_value(attr_field_obj));
16ca5ff0 PP	242	if (ret) {
	243	BT_LOGE("Cannot append element to array value: "
	244	"array-value-addr=%p, element-value-addr=%p",
	245	attr_obj, attr_field_obj);
	246	}
	247
	248	end:
e1e02a22	249	bt_ctf_object_put_ref(attr_field_obj);
16ca5ff0 PP	250	return ret;
	251	}
	252
e1e02a22 PP	253	struct bt_ctf_private_value *bt_ctf_attributes_borrow_field_value_by_name(
e1e02a22 PP	254	struct bt_ctf_private_value attr_obj, const char name)
16ca5ff0	255	{
e1e02a22 PP	256	struct bt_ctf_private_value *value_obj = NULL;
e1e02a22 PP	257	struct bt_ctf_private_value *attr_field_obj = NULL;
16ca5ff0 PP	258
	259	if (!attr_obj \|\| !name) {
	260	BT_LOGW("Invalid parameter: attributes object or name is NULL: "
	261	"value-addr=%p, name-addr=%p", attr_obj, name);
	262	goto end;
	263	}
	264
	265	attr_field_obj = bt_ctf_attributes_borrow_field_by_name(attr_obj, name);
	266	if (!attr_field_obj) {
	267	BT_LOGD("Cannot find attributes object's field by name: "
	268	"value-addr=%p, name=\"%s\"", attr_obj, name);
	269	goto end;
	270	}
	271
e1e02a22	272	value_obj = bt_ctf_private_value_array_borrow_element_by_index(attr_field_obj,
16ca5ff0 PP	273	BT_CTF_ATTR_VALUE_INDEX);
	274	if (!value_obj) {
	275	BT_LOGE("Cannot get attribute array value's element by index: "
	276	"value-addr=%p, index=%" PRIu64, attr_field_obj,
	277	(uint64_t) BT_CTF_ATTR_VALUE_INDEX);
	278	}
	279
	280	end:
	281	return value_obj;
	282	}
	283
e1e02a22	284	int bt_ctf_attributes_freeze(struct bt_ctf_private_value *attr_obj)
16ca5ff0 PP	285	{
	286	uint64_t i;
	287	int64_t count;
	288	int ret = 0;
	289
	290	if (!attr_obj) {
	291	BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
	292	ret = -1;
	293	goto end;
	294	}
	295
	296	BT_LOGD("Freezing attributes object: value-addr=%p", attr_obj);
393729a6	297	count = bt_ctf_value_array_get_length(bt_ctf_private_value_as_value(attr_obj));
98b15851	298	BT_ASSERT_DBG(count >= 0);
16ca5ff0 PP	299
	300	/*
	301	* We do not freeze the array value object itself here, since
	302	* internal stuff could need to modify/add attributes. Each
	303	* attribute is frozen one by one.
	304	*/
	305	for (i = 0; i < count; ++i) {
e1e02a22	306	struct bt_ctf_private_value *obj = NULL;
16ca5ff0 PP	307
	308	obj = bt_ctf_attributes_borrow_field_value(attr_obj, i);
	309	if (!obj) {
	310	BT_LOGE("Cannot get attributes object's field value by index: "
	311	"value-addr=%p, index=%" PRIu64,
	312	attr_obj, i);
	313	ret = -1;
	314	goto end;
	315	}
	316
e1e02a22	317	bt_ctf_value_freeze(bt_ctf_private_value_as_value(obj));
16ca5ff0 PP	318	}
	319
	320	end:
	321	return ret;
	322	}