[babeltrace.git] / lib / ctf-ir / attributes.c

/*
 * attributes.c
 *
 * Babeltrace CTF IR - Attributes
 *
 * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation
 * Copyright (c) 2015 Philippe Proulx <pproulx@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/values.h>
#include <inttypes.h>

#define BT_LOG_TAG "ATTRS"
#include <babeltrace/lib-logging-internal.h>

#define BT_CTF_ATTR_NAME_INDEX		0
#define BT_CTF_ATTR_VALUE_INDEX		1

BT_HIDDEN
struct bt_value *bt_ctf_attributes_create(void)
{
	struct bt_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_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;
}

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

BT_HIDDEN
int64_t bt_ctf_attributes_get_count(struct bt_value *attr_obj)
{
	return bt_value_array_size(attr_obj);
}

BT_HIDDEN
const char *bt_ctf_attributes_get_field_name(struct bt_value *attr_obj,
		uint64_t index)
{
	int rc;
	const char *ret = NULL;
	struct bt_value *attr_field_obj = NULL;
	struct bt_value *attr_field_name_obj = NULL;

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

	attr_field_obj = bt_value_array_get(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_value_array_get(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;
	}

	rc = bt_value_string_get(attr_field_name_obj, &ret);
	if (rc) {
		BT_LOGE("Cannot get raw value from string value: value-addr=%p",
			attr_field_name_obj);
		ret = NULL;
	}

end:
	BT_PUT(attr_field_name_obj);
	BT_PUT(attr_field_obj);
	return ret;
}

BT_HIDDEN
struct bt_value *bt_ctf_attributes_get_field_value(struct bt_value *attr_obj,
		uint64_t index)
{
	struct bt_value *value_obj = NULL;
	struct bt_value *attr_field_obj = NULL;

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

	attr_field_obj = bt_value_array_get(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_value_array_get(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:
	BT_PUT(attr_field_obj);
	return value_obj;
}

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

	attr_size = bt_value_array_size(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) {
		int ret;
		const char *field_name;

		value_obj = bt_value_array_get(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_value_array_get(value_obj, 0);
		if (!attr_field_name_obj) {
			BT_LOGE("Cannot get attribute array value's element by index: "
				"value-addr=%p, index=%" PRIu64,
				value_obj, 0);
			goto error;
		}

		ret = bt_value_string_get(attr_field_name_obj, &field_name);
		if (ret) {
			BT_LOGE("Cannot get raw value from string value: value-addr=%p",
				attr_field_name_obj);
			goto error;
		}

		if (!strcmp(field_name, name)) {
			BT_PUT(attr_field_name_obj);
			break;
		}

		BT_PUT(attr_field_name_obj);
		BT_PUT(value_obj);
	}

	return value_obj;

error:
	BT_PUT(attr_field_name_obj);
	BT_PUT(value_obj);

	return value_obj;
}

BT_HIDDEN
int bt_ctf_attributes_set_field_value(struct bt_value *attr_obj,
		const char *name, struct bt_value *value_obj)
{
	int ret = 0;
	struct bt_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_get_field_by_name(attr_obj, name);
	if (attr_field_obj) {
		ret = bt_value_array_set(attr_field_obj,
			BT_CTF_ATTR_VALUE_INDEX, value_obj);
		goto end;
	}

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

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

	ret = bt_value_array_append(attr_obj, 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_PUT(attr_field_obj);

	return ret;
}

BT_HIDDEN
struct bt_value *bt_ctf_attributes_get_field_value_by_name(
		struct bt_value *attr_obj, const char *name)
{
	struct bt_value *value_obj = NULL;
	struct bt_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_get_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_value_array_get(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:
	BT_PUT(attr_field_obj);

	return value_obj;
}

BT_HIDDEN
int bt_ctf_attributes_freeze(struct bt_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_value_array_size(attr_obj);
	if (count < 0) {
		BT_LOGE("Cannot get array value's size: value-addr=%p",
			attr_obj);
		ret = -1;
		goto end;
	}

	/*
	 * 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_value *obj = NULL;

		obj = bt_ctf_attributes_get_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_value_freeze(obj);
		BT_PUT(obj);
	}

end:
	return ret;
}
Commit	Line	Data
44e0a4f5 JG	1	/*
	2	* attributes.c
	3	*
	4	* Babeltrace CTF IR - Attributes
	5	*
	6	* Copyright (c) 2015 EfficiOS Inc. and Linux Foundation
	7	* Copyright (c) 2015 Philippe Proulx <pproulx@efficios.com>
	8	*
	9	* Permission is hereby granted, free of charge, to any person obtaining a copy
	10	* of this software and associated documentation files (the "Software"), to deal
	11	* in the Software without restriction, including without limitation the rights
	12	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	13	* copies of the Software, and to permit persons to whom the Software is
	14	* furnished to do so, subject to the following conditions:
	15	*
	16	* The above copyright notice and this permission notice shall be included in
	17	* all copies or substantial portions of the Software.
	18	*
	19	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	20	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	21	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	22	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	23	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	24	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	25	* SOFTWARE.
	26	*/
	27
	28	#include <babeltrace/babeltrace-internal.h>
dac5c838	29	#include <babeltrace/values.h>
561ad8c1 PP	30	#include <inttypes.h>
	31
	32	#define BT_LOG_TAG "ATTRS"
	33	#include <babeltrace/lib-logging-internal.h>
44e0a4f5 JG	34
44e0a4f5 JG	35	#define BT_CTF_ATTR_NAME_INDEX 0
83509119	36	#define BT_CTF_ATTR_VALUE_INDEX 1
44e0a4f5 JG	37
44e0a4f5 JG	38	BT_HIDDEN
dac5c838	39	struct bt_value *bt_ctf_attributes_create(void)
44e0a4f5	40	{
561ad8c1 PP	41	struct bt_value *attr_obj;
561ad8c1 PP	42
44e0a4f5	43	/*
dac5c838 PP	44	* Attributes: array value object of array value objects, each one
	45	* containing two entries: a string value object (attributes
	46	* field name), and a value object (attributes field value).
44e0a4f5 JG	47	*
	48	* Example (JSON representation):
	49	*
	50	* [
	51	* ["hostname", "eeppdesk"],
	52	* ["sysname", "Linux"],
	53	* ["tracer_major", 2],
	54	* ["tracer_minor", 5]
	55	* ]
	56	*/
561ad8c1 PP	57	BT_LOGD_STR("Creating attributes object.");
	58	attr_obj = bt_value_array_create();
	59	if (!attr_obj) {
	60	BT_LOGE_STR("Failed to create array value.");
	61	} else {
	62	BT_LOGD("Created attributes object: addr=%p",
	63	attr_obj);
	64	}
	65
	66	return attr_obj;
44e0a4f5 JG	67	}
	68
	69	BT_HIDDEN
dac5c838	70	void bt_ctf_attributes_destroy(struct bt_value *attr_obj)
44e0a4f5	71	{
561ad8c1	72	BT_LOGD("Destroying attributes object: addr=%p", attr_obj);
83509119	73	bt_put(attr_obj);
44e0a4f5 JG	74	}
	75
	76	BT_HIDDEN
544d0515	77	int64_t bt_ctf_attributes_get_count(struct bt_value *attr_obj)
44e0a4f5	78	{
dac5c838	79	return bt_value_array_size(attr_obj);
44e0a4f5 JG	80	}
	81
	82	BT_HIDDEN
dac5c838	83	const char bt_ctf_attributes_get_field_name(struct bt_value attr_obj,
dcf0cc71	84	uint64_t index)
44e0a4f5 JG	85	{
	86	int rc;
	87	const char *ret = NULL;
dac5c838 PP	88	struct bt_value *attr_field_obj = NULL;
dac5c838 PP	89	struct bt_value *attr_field_name_obj = NULL;
44e0a4f5	90
561ad8c1 PP	91	if (!attr_obj) {
561ad8c1 PP	92	BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
44e0a4f5 JG	93	goto end;
	94	}
	95
dac5c838	96	attr_field_obj = bt_value_array_get(attr_obj, index);
44e0a4f5	97	if (!attr_field_obj) {
561ad8c1 PP	98	BT_LOGE("Cannot get attributes object's array value's element by index: "
561ad8c1 PP	99	"value-addr=%p, index=%" PRIu64, attr_obj, index);
44e0a4f5 JG	100	goto end;
	101	}
	102
dac5c838	103	attr_field_name_obj = bt_value_array_get(attr_field_obj,
44e0a4f5	104	BT_CTF_ATTR_NAME_INDEX);
44e0a4f5	105	if (!attr_field_name_obj) {
561ad8c1 PP	106	BT_LOGE("Cannot get attribute array value's element by index: "
	107	"value-addr=%p, index=%" PRIu64, attr_field_obj,
	108	(uint64_t) BT_CTF_ATTR_NAME_INDEX);
44e0a4f5 JG	109	goto end;
	110	}
	111
dac5c838	112	rc = bt_value_string_get(attr_field_name_obj, &ret);
44e0a4f5	113	if (rc) {
561ad8c1 PP	114	BT_LOGE("Cannot get raw value from string value: value-addr=%p",
561ad8c1 PP	115	attr_field_name_obj);
44e0a4f5 JG	116	ret = NULL;
	117	}
	118
	119	end:
83509119 JG	120	BT_PUT(attr_field_name_obj);
83509119 JG	121	BT_PUT(attr_field_obj);
44e0a4f5 JG	122	return ret;
	123	}
	124
	125	BT_HIDDEN
dac5c838	126	struct bt_value bt_ctf_attributes_get_field_value(struct bt_value attr_obj,
dcf0cc71	127	uint64_t index)
44e0a4f5	128	{
dac5c838 PP	129	struct bt_value *value_obj = NULL;
dac5c838 PP	130	struct bt_value *attr_field_obj = NULL;
44e0a4f5	131
561ad8c1 PP	132	if (!attr_obj) {
561ad8c1 PP	133	BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
44e0a4f5 JG	134	goto end;
	135	}
	136
dac5c838	137	attr_field_obj = bt_value_array_get(attr_obj, index);
44e0a4f5	138	if (!attr_field_obj) {
561ad8c1 PP	139	BT_LOGE("Cannot get attributes object's array value's element by index: "
561ad8c1 PP	140	"value-addr=%p, index=%" PRIu64, attr_obj, index);
44e0a4f5 JG	141	goto end;
	142	}
	143
dac5c838	144	value_obj = bt_value_array_get(attr_field_obj,
44e0a4f5	145	BT_CTF_ATTR_VALUE_INDEX);
561ad8c1 PP	146	if (!value_obj) {
	147	BT_LOGE("Cannot get attribute array value's element by index: "
	148	"value-addr=%p, index=%" PRIu64, attr_field_obj,
	149	(uint64_t) BT_CTF_ATTR_VALUE_INDEX);
	150	}
44e0a4f5 JG	151
44e0a4f5 JG	152	end:
83509119	153	BT_PUT(attr_field_obj);
44e0a4f5 JG	154	return value_obj;
	155	}
	156
	157	static
dac5c838 PP	158	struct bt_value *bt_ctf_attributes_get_field_by_name(
dac5c838 PP	159	struct bt_value attr_obj, const char name)
44e0a4f5	160	{
dcf0cc71 PP	161	uint64_t i;
dcf0cc71 PP	162	int64_t attr_size;
dac5c838 PP	163	struct bt_value *value_obj = NULL;
dac5c838 PP	164	struct bt_value *attr_field_name_obj = NULL;
44e0a4f5	165
dac5c838	166	attr_size = bt_value_array_size(attr_obj);
44e0a4f5	167	if (attr_size < 0) {
561ad8c1 PP	168	BT_LOGE("Cannot get array value's size: value-addr=%p",
561ad8c1 PP	169	attr_obj);
44e0a4f5 JG	170	goto error;
	171	}
	172
	173	for (i = 0; i < attr_size; ++i) {
	174	int ret;
	175	const char *field_name;
	176
dac5c838	177	value_obj = bt_value_array_get(attr_obj, i);
44e0a4f5	178	if (!value_obj) {
561ad8c1 PP	179	BT_LOGE("Cannot get attributes object's array value's element by index: "
561ad8c1 PP	180	"value-addr=%p, index=%" PRIu64, attr_obj, i);
44e0a4f5 JG	181	goto error;
	182	}
	183
dac5c838	184	attr_field_name_obj = bt_value_array_get(value_obj, 0);
44e0a4f5	185	if (!attr_field_name_obj) {
561ad8c1 PP	186	BT_LOGE("Cannot get attribute array value's element by index: "
	187	"value-addr=%p, index=%" PRIu64,
	188	value_obj, 0);
44e0a4f5 JG	189	goto error;
	190	}
	191
dac5c838	192	ret = bt_value_string_get(attr_field_name_obj, &field_name);
44e0a4f5	193	if (ret) {
561ad8c1 PP	194	BT_LOGE("Cannot get raw value from string value: value-addr=%p",
561ad8c1 PP	195	attr_field_name_obj);
44e0a4f5 JG	196	goto error;
	197	}
	198
	199	if (!strcmp(field_name, name)) {
83509119	200	BT_PUT(attr_field_name_obj);
44e0a4f5 JG	201	break;
	202	}
	203
83509119 JG	204	BT_PUT(attr_field_name_obj);
83509119 JG	205	BT_PUT(value_obj);
44e0a4f5 JG	206	}
	207
	208	return value_obj;
	209
	210	error:
83509119 JG	211	BT_PUT(attr_field_name_obj);
83509119 JG	212	BT_PUT(value_obj);
44e0a4f5 JG	213
	214	return value_obj;
	215	}
	216
	217	BT_HIDDEN
dac5c838 PP	218	int bt_ctf_attributes_set_field_value(struct bt_value *attr_obj,
dac5c838 PP	219	const char name, struct bt_value value_obj)
44e0a4f5 JG	220	{
44e0a4f5 JG	221	int ret = 0;
dac5c838	222	struct bt_value *attr_field_obj = NULL;
44e0a4f5 JG	223
44e0a4f5 JG	224	if (!attr_obj \|\| !name \|\| !value_obj) {
561ad8c1 PP	225	BT_LOGW("Invalid parameter: attributes object, name, or value object is NULL: "
	226	"attr-value-addr=%p, name-addr=%p, value-addr=%p",
	227	attr_obj, name, value_obj);
44e0a4f5 JG	228	ret = -1;
	229	goto end;
	230	}
	231
	232	attr_field_obj = bt_ctf_attributes_get_field_by_name(attr_obj, name);
44e0a4f5	233	if (attr_field_obj) {
dac5c838	234	ret = bt_value_array_set(attr_field_obj,
44e0a4f5 JG	235	BT_CTF_ATTR_VALUE_INDEX, value_obj);
	236	goto end;
	237	}
	238
dac5c838	239	attr_field_obj = bt_value_array_create();
44e0a4f5	240	if (!attr_field_obj) {
561ad8c1	241	BT_LOGE_STR("Failed to create empty array value.");
44e0a4f5 JG	242	ret = -1;
	243	goto end;
	244	}
	245
dac5c838 PP	246	ret = bt_value_array_append_string(attr_field_obj, name);
dac5c838 PP	247	ret \|= bt_value_array_append(attr_field_obj, value_obj);
44e0a4f5	248	if (ret) {
561ad8c1 PP	249	BT_LOGE("Cannot append elements to array value: addr=%p",
561ad8c1 PP	250	attr_field_obj);
44e0a4f5 JG	251	goto end;
	252	}
	253
dac5c838	254	ret = bt_value_array_append(attr_obj, attr_field_obj);
561ad8c1 PP	255	if (ret) {
	256	BT_LOGE("Cannot append element to array value: "
	257	"array-value-addr=%p, element-value-addr=%p",
	258	attr_obj, attr_field_obj);
	259	}
44e0a4f5 JG	260
44e0a4f5 JG	261	end:
83509119	262	BT_PUT(attr_field_obj);
44e0a4f5 JG	263
	264	return ret;
	265	}
	266
	267	BT_HIDDEN
dac5c838 PP	268	struct bt_value *bt_ctf_attributes_get_field_value_by_name(
dac5c838 PP	269	struct bt_value attr_obj, const char name)
44e0a4f5	270	{
dac5c838 PP	271	struct bt_value *value_obj = NULL;
dac5c838 PP	272	struct bt_value *attr_field_obj = NULL;
44e0a4f5 JG	273
44e0a4f5 JG	274	if (!attr_obj \|\| !name) {
561ad8c1 PP	275	BT_LOGW("Invalid parameter: attributes object or name is NULL: "
561ad8c1 PP	276	"value-addr=%p, name-addr=%p", attr_obj, name);
44e0a4f5 JG	277	goto end;
	278	}
	279
	280	attr_field_obj = bt_ctf_attributes_get_field_by_name(attr_obj, name);
44e0a4f5	281	if (!attr_field_obj) {
561ad8c1 PP	282	BT_LOGD("Cannot find attributes object's field by name: "
561ad8c1 PP	283	"value-addr=%p, name=\"%s\"", attr_obj, name);
44e0a4f5 JG	284	goto end;
	285	}
	286
dac5c838	287	value_obj = bt_value_array_get(attr_field_obj,
44e0a4f5	288	BT_CTF_ATTR_VALUE_INDEX);
561ad8c1 PP	289	if (!value_obj) {
	290	BT_LOGE("Cannot get attribute array value's element by index: "
	291	"value-addr=%p, index=%" PRIu64, attr_field_obj,
	292	(uint64_t) BT_CTF_ATTR_VALUE_INDEX);
	293	}
44e0a4f5 JG	294
44e0a4f5 JG	295	end:
83509119	296	BT_PUT(attr_field_obj);
44e0a4f5 JG	297
	298	return value_obj;
	299	}
	300
	301	BT_HIDDEN
dac5c838	302	int bt_ctf_attributes_freeze(struct bt_value *attr_obj)
44e0a4f5	303	{
dcf0cc71 PP	304	uint64_t i;
dcf0cc71 PP	305	int64_t count;
44e0a4f5 JG	306	int ret = 0;
	307
	308	if (!attr_obj) {
561ad8c1	309	BT_LOGW_STR("Invalid parameter: attributes object is NULL.");
44e0a4f5 JG	310	ret = -1;
	311	goto end;
	312	}
	313
561ad8c1	314	BT_LOGD("Freezing attributes object: value-addr=%p", attr_obj);
dac5c838	315	count = bt_value_array_size(attr_obj);
44e0a4f5	316	if (count < 0) {
561ad8c1 PP	317	BT_LOGE("Cannot get array value's size: value-addr=%p",
561ad8c1 PP	318	attr_obj);
44e0a4f5 JG	319	ret = -1;
	320	goto end;
	321	}
	322
	323	/*
dac5c838 PP	324	* We do not freeze the array value object itself here, since
	325	* internal stuff could need to modify/add attributes. Each
	326	* attribute is frozen one by one.
44e0a4f5 JG	327	*/
44e0a4f5 JG	328	for (i = 0; i < count; ++i) {
dac5c838	329	struct bt_value *obj = NULL;
44e0a4f5 JG	330
44e0a4f5 JG	331	obj = bt_ctf_attributes_get_field_value(attr_obj, i);
44e0a4f5	332	if (!obj) {
561ad8c1 PP	333	BT_LOGE("Cannot get attributes object's field value by index: "
	334	"value-addr=%p, index=%" PRIu64,
	335	attr_obj, i);
44e0a4f5 JG	336	ret = -1;
	337	goto end;
	338	}
	339
dac5c838	340	bt_value_freeze(obj);
83509119	341	BT_PUT(obj);
44e0a4f5 JG	342	}
	343
	344	end:
44e0a4f5 JG	345	return ret;
44e0a4f5 JG	346	}