[babeltrace.git] / src / lib / trace-ir / field-wrapper.c

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright 2018 Philippe Proulx <pproulx@efficios.com>
 */

#define BT_LOG_TAG "LIB/FIELD-WRAPPER"
#include "lib/logging.h"

#include "lib/object-pool.h"
#include "lib/object.h"
#include <glib.h>

#include "field-wrapper.h"
#include "field.h"

BT_HIDDEN
struct bt_field_wrapper *bt_field_wrapper_new(void *data)
{
	struct bt_field_wrapper *field_wrapper =
		g_new0(struct bt_field_wrapper, 1);

	BT_LOGD_STR("Creating empty field wrapper object.");

	if (!field_wrapper) {
		BT_LIB_LOGE_APPEND_CAUSE(
			"Failed to allocate one field wrapper.");
		goto end;
	}

	bt_object_init_unique(&field_wrapper->base);
	BT_LOGD("Created empty field wrapper object: addr=%p",
		field_wrapper);

end:
	return field_wrapper;
}

BT_HIDDEN
void bt_field_wrapper_destroy(struct bt_field_wrapper *field_wrapper)
{
	BT_LOGD("Destroying field wrapper: addr=%p", field_wrapper);

	if (field_wrapper->field) {
		BT_LOGD_STR("Destroying field.");
		bt_field_destroy((void *) field_wrapper->field);
		field_wrapper->field = NULL;
	}

	BT_LOGD_STR("Putting stream class.");
	g_free(field_wrapper);
}

BT_HIDDEN
struct bt_field_wrapper *bt_field_wrapper_create(
		struct bt_object_pool *pool, struct bt_field_class *fc)
{
	struct bt_field_wrapper *field_wrapper = NULL;

	BT_ASSERT_DBG(pool);
	BT_ASSERT_DBG(fc);
	field_wrapper = bt_object_pool_create_object(pool);
	if (!field_wrapper) {
		BT_LIB_LOGE_APPEND_CAUSE(
			"Cannot allocate one field wrapper from field wrapper pool: "
			"%![pool-]+o", pool);
		goto error;
	}

	if (!field_wrapper->field) {
		field_wrapper->field = (void *) bt_field_create(fc);
		if (!field_wrapper->field) {
			BT_LIB_LOGE_APPEND_CAUSE(
				"Cannot create field wrapper from field class: "
				"%![fc-]+F", fc);
			goto error;
		}

		BT_LIB_LOGD("Created initial field wrapper object: "
			"wrapper-addr=%p, %![field-]+f", field_wrapper,
			field_wrapper->field);
	}

	goto end;

error:
	if (field_wrapper) {
		bt_field_wrapper_destroy(field_wrapper);
		field_wrapper = NULL;
	}

end:
	return field_wrapper;
}
Commit	Line	Data
	1	/*
	2	* SPDX-License-Identifier: MIT
	3	*
	4	* Copyright 2018 Philippe Proulx <pproulx@efficios.com>
	5	*/
	6
	7	#define BT_LOG_TAG "LIB/FIELD-WRAPPER"
	8	#include "lib/logging.h"
	9
	10	#include "lib/object-pool.h"
	11	#include "lib/object.h"
	12	#include <glib.h>
	13
	14	#include "field-wrapper.h"
	15	#include "field.h"
	16
	17	BT_HIDDEN
	18	struct bt_field_wrapper bt_field_wrapper_new(void data)
	19	{
	20	struct bt_field_wrapper *field_wrapper =
	21	g_new0(struct bt_field_wrapper, 1);
	22
	23	BT_LOGD_STR("Creating empty field wrapper object.");
	24
	25	if (!field_wrapper) {
	26	BT_LIB_LOGE_APPEND_CAUSE(
	27	"Failed to allocate one field wrapper.");
	28	goto end;
	29	}
	30
	31	bt_object_init_unique(&field_wrapper->base);
	32	BT_LOGD("Created empty field wrapper object: addr=%p",
	33	field_wrapper);
	34
	35	end:
	36	return field_wrapper;
	37	}
	38
	39	BT_HIDDEN
	40	void bt_field_wrapper_destroy(struct bt_field_wrapper *field_wrapper)
	41	{
	42	BT_LOGD("Destroying field wrapper: addr=%p", field_wrapper);
	43
	44	if (field_wrapper->field) {
	45	BT_LOGD_STR("Destroying field.");
	46	bt_field_destroy((void *) field_wrapper->field);
	47	field_wrapper->field = NULL;
	48	}
	49
	50	BT_LOGD_STR("Putting stream class.");
	51	g_free(field_wrapper);
	52	}
	53
	54	BT_HIDDEN
	55	struct bt_field_wrapper *bt_field_wrapper_create(
	56	struct bt_object_pool pool, struct bt_field_class fc)
	57	{
	58	struct bt_field_wrapper *field_wrapper = NULL;
	59
	60	BT_ASSERT_DBG(pool);
	61	BT_ASSERT_DBG(fc);
	62	field_wrapper = bt_object_pool_create_object(pool);
	63	if (!field_wrapper) {
	64	BT_LIB_LOGE_APPEND_CAUSE(
	65	"Cannot allocate one field wrapper from field wrapper pool: "
	66	"%![pool-]+o", pool);
	67	goto error;
	68	}
	69
	70	if (!field_wrapper->field) {
	71	field_wrapper->field = (void *) bt_field_create(fc);
	72	if (!field_wrapper->field) {
	73	BT_LIB_LOGE_APPEND_CAUSE(
	74	"Cannot create field wrapper from field class: "
	75	"%![fc-]+F", fc);
	76	goto error;
	77	}
	78
	79	BT_LIB_LOGD("Created initial field wrapper object: "
	80	"wrapper-addr=%p, %![field-]+f", field_wrapper,
	81	field_wrapper->field);
	82	}
	83
	84	goto end;
	85
	86	error:
	87	if (field_wrapper) {
	88	bt_field_wrapper_destroy(field_wrapper);
	89	field_wrapper = NULL;
	90	}
	91
	92	end:
	93	return field_wrapper;
	94	}