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

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 */

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

#include <float.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdlib.h>

#include <babeltrace2-ctf-writer/object.h>

#include "common/align.h"
#include "common/assert.h"
#include "compat/compiler.h"
#include "compat/endian.h"
#include "compat/fcntl.h"
#include "ctfser/ctfser.h"

#include "assert-pre.h"
#include "fields.h"
#include "field-types.h"
#include "object.h"

#define BT_CTF_ASSERT_PRE_CTF_FIELD_IS_INT_OR_ENUM(_field, _name)               \
        BT_CTF_ASSERT_PRE((_field)->type->id == BT_CTF_FIELD_TYPE_ID_INTEGER || \
                (_field)->type->id == BT_CTF_FIELD_TYPE_ID_ENUM,        \
                _name " is not an integer or an enumeration field: "    \
                "field-addr=%p", (_field))

struct bt_ctf_field_common *bt_ctf_field_common_copy(struct bt_ctf_field_common *field)
{
        struct bt_ctf_field_common *copy = NULL;

        BT_CTF_ASSERT_PRE_NON_NULL(field, "Field");
        BT_ASSERT_DBG(field_type_common_has_known_id(field->type));
        BT_ASSERT_DBG(field->methods->copy);
        copy = field->methods->copy(field);
        if (!copy) {
                BT_LOGW("Cannot create field: ft-addr=%p", field->type);
                goto end;
        }

        bt_ctf_field_common_set(copy, field->payload_set);

end:
        return copy;
}

int bt_ctf_field_common_structure_initialize(struct bt_ctf_field_common *field,
                struct bt_ctf_field_type_common *type,
                bool is_shared, bt_ctf_object_release_func release_func,
                struct bt_ctf_field_common_methods *methods,
                bt_ctf_field_common_create_func field_create_func,
                GDestroyNotify field_release_func)
{
        int ret = 0;
        struct bt_ctf_field_type_common_structure *structure_type =
                BT_CTF_FROM_COMMON(type);
        struct bt_ctf_field_common_structure *structure = BT_CTF_FROM_COMMON(field);
        size_t i;

        BT_LOGD("Initializing common structure field object: ft-addr=%p", type);
        bt_ctf_field_common_initialize(field, type, is_shared,
                release_func, methods);
        structure->fields = g_ptr_array_new_with_free_func(field_release_func);
        g_ptr_array_set_size(structure->fields, structure_type->fields->len);

        /* Create all fields contained in the structure field. */
        for (i = 0; i < structure_type->fields->len; i++) {
                struct bt_ctf_field_common *member_field;
                struct bt_ctf_field_type_common_structure_field *struct_field =
                        BT_CTF_FIELD_TYPE_COMMON_STRUCTURE_FIELD_AT_INDEX(
                                structure_type, i);
                member_field = field_create_func(struct_field->type);
                if (!member_field) {
                        BT_LOGE("Failed to create structure field's member: name=\"%s\", index=%zu",
                                g_quark_to_string(struct_field->name), i);
                        ret = -1;
                        goto end;
                }

                g_ptr_array_index(structure->fields, i) = member_field;
        }

        BT_LOGD("Initialized common structure field object: addr=%p, ft-addr=%p",
                field, type);

end:
        return ret;
}

int bt_ctf_field_common_variant_initialize(struct bt_ctf_field_common *field,
                struct bt_ctf_field_type_common *type,
                bool is_shared, bt_ctf_object_release_func release_func,
                struct bt_ctf_field_common_methods *methods,
                bt_ctf_field_common_create_func field_create_func,
                GDestroyNotify field_release_func)
{
        int ret = 0;
        struct bt_ctf_field_type_common_variant *variant_type =
                BT_CTF_FROM_COMMON(type);
        struct bt_ctf_field_common_variant *variant = BT_CTF_FROM_COMMON(field);
        size_t i;

        BT_LOGD("Initializing common variant field object: ft-addr=%p", type);
        bt_ctf_field_common_initialize(field, type, is_shared,
                release_func, methods);
        ret = bt_ctf_field_type_common_variant_update_choices(type);
        if (ret) {
                BT_LOGE("Cannot update common variant field type choices: "
                        "ret=%d", ret);
                goto end;
        }

        variant->fields = g_ptr_array_new_with_free_func(field_release_func);
        g_ptr_array_set_size(variant->fields, variant_type->choices->len);

        /* Create all fields contained in the variant field. */
        for (i = 0; i < variant_type->choices->len; i++) {
                struct bt_ctf_field_common *member_field;
                struct bt_ctf_field_type_common_variant_choice *var_choice =
                        BT_CTF_FIELD_TYPE_COMMON_VARIANT_CHOICE_AT_INDEX(
                                variant_type, i);

                member_field = field_create_func(var_choice->type);
                if (!member_field) {
                        BT_LOGE("Failed to create variant field's member: name=\"%s\", index=%zu",
                                g_quark_to_string(var_choice->name), i);
                        ret = -1;
                        goto end;
                }

                g_ptr_array_index(variant->fields, i) = member_field;
        }

        BT_LOGD("Initialized common variant field object: addr=%p, ft-addr=%p",
                field, type);

end:
        return ret;
}

int bt_ctf_field_common_string_initialize(struct bt_ctf_field_common *field,
                struct bt_ctf_field_type_common *type,
                bool is_shared, bt_ctf_object_release_func release_func,
                struct bt_ctf_field_common_methods *methods)
{
        int ret = 0;
        struct bt_ctf_field_common_string *string = BT_CTF_FROM_COMMON(field);

        BT_LOGD("Initializing common string field object: ft-addr=%p", type);
        bt_ctf_field_common_initialize(field, type, is_shared,
                release_func, methods);
        string->buf = g_array_sized_new(FALSE, FALSE, sizeof(char), 1);
        if (!string->buf) {
                ret = -1;
                goto end;
        }

        g_array_index(string->buf, char, 0) = '\0';
        BT_LOGD("Initialized common string field object: addr=%p, ft-addr=%p",
                field, type);

end:
        return ret;
}

int bt_ctf_field_common_array_initialize(struct bt_ctf_field_common *field,
                struct bt_ctf_field_type_common *type,
                bool is_shared, bt_ctf_object_release_func release_func,
                struct bt_ctf_field_common_methods *methods,
                bt_ctf_field_common_create_func field_create_func,
                GDestroyNotify field_destroy_func)
{
        struct bt_ctf_field_type_common_array *array_type = BT_CTF_FROM_COMMON(type);
        struct bt_ctf_field_common_array *array = BT_CTF_FROM_COMMON(field);
        unsigned int array_length;
        int ret = 0;
        uint64_t i;

        BT_LOGD("Initializing common array field object: ft-addr=%p", type);
        BT_ASSERT_DBG(type);
        bt_ctf_field_common_initialize(field, type, is_shared,
                release_func, methods);
        array_length = array_type->length;
        array->elements = g_ptr_array_sized_new(array_length);
        if (!array->elements) {
                ret = -1;
                goto end;
        }

        g_ptr_array_set_free_func(array->elements, field_destroy_func);
        g_ptr_array_set_size(array->elements, array_length);

        for (i = 0; i < array_length; i++) {
                array->elements->pdata[i] = field_create_func(
                        array_type->element_ft);
                if (!array->elements->pdata[i]) {
                        ret = -1;
                        goto end;
                }
        }

        BT_LOGD("Initialized common array field object: addr=%p, ft-addr=%p",
                field, type);

end:
        return ret;
}

int bt_ctf_field_common_sequence_initialize(struct bt_ctf_field_common *field,
                struct bt_ctf_field_type_common *type,
                bool is_shared, bt_ctf_object_release_func release_func,
                struct bt_ctf_field_common_methods *methods,
                GDestroyNotify field_destroy_func)
{
        struct bt_ctf_field_common_sequence *sequence = BT_CTF_FROM_COMMON(field);
        int ret = 0;

        BT_LOGD("Initializing common sequence field object: ft-addr=%p", type);
        BT_ASSERT_DBG(type);
        bt_ctf_field_common_initialize(field, type, is_shared,
                release_func, methods);
        sequence->elements = g_ptr_array_new();
        if (!sequence->elements) {
                ret = -1;
                goto end;
        }

        g_ptr_array_set_free_func(sequence->elements, field_destroy_func);
        BT_LOGD("Initialized common sequence field object: addr=%p, ft-addr=%p",
                field, type);

end:
        return ret;
}

int bt_ctf_field_common_generic_validate(struct bt_ctf_field_common *field)
{
        return (field && field->payload_set) ? 0 : -1;
}

int bt_ctf_field_common_structure_validate_recursive(struct bt_ctf_field_common *field)
{
        int64_t i;
        int ret = 0;
        struct bt_ctf_field_common_structure *structure = BT_CTF_FROM_COMMON(field);

        BT_ASSERT_DBG(field);

        for (i = 0; i < structure->fields->len; i++) {
                ret = bt_ctf_field_common_validate_recursive(
                        (void *) structure->fields->pdata[i]);

                if (ret) {
                        int this_ret;
                        const char *name;

                        this_ret = bt_ctf_field_type_common_structure_borrow_field_by_index(
                                field->type, &name, NULL, i);
                        BT_ASSERT_DBG(this_ret == 0);
                        BT_CTF_ASSERT_PRE_MSG("Invalid structure field's field: "
                                "struct-field-addr=%p, field-name=\"%s\", "
                                "index=%" PRId64 ", field-addr=%p",
                                field, name, i, structure->fields->pdata[i]);
                        goto end;
                }
        }

end:
        return ret;
}

int bt_ctf_field_common_variant_validate_recursive(struct bt_ctf_field_common *field)
{
        int ret = 0;
        struct bt_ctf_field_common_variant *variant = BT_CTF_FROM_COMMON(field);

        BT_ASSERT_DBG(field);

        if (!variant->current_field) {
                ret = -1;
                goto end;
        }

        ret = bt_ctf_field_common_validate_recursive(variant->current_field);

end:
        return ret;
}

int bt_ctf_field_common_array_validate_recursive(struct bt_ctf_field_common *field)
{
        int64_t i;
        int ret = 0;
        struct bt_ctf_field_common_array *array = BT_CTF_FROM_COMMON(field);

        BT_ASSERT_DBG(field);

        for (i = 0; i < array->elements->len; i++) {
                ret = bt_ctf_field_common_validate_recursive((void *) array->elements->pdata[i]);
                if (ret) {
                        BT_CTF_ASSERT_PRE_MSG("Invalid array field's element field: "
                                "array-field-addr=%p, %" PRId64 ", "
                                "elem-field-addr=%p",
                                field, i, array->elements->pdata[i]);
                        goto end;
                }
        }

end:
        return ret;
}

int bt_ctf_field_common_sequence_validate_recursive(struct bt_ctf_field_common *field)
{
        int64_t i;
        int ret = 0;
        struct bt_ctf_field_common_sequence *sequence = BT_CTF_FROM_COMMON(field);

        BT_ASSERT_DBG(field);

        for (i = 0; i < sequence->elements->len; i++) {
                ret = bt_ctf_field_common_validate_recursive(
                        (void *) sequence->elements->pdata[i]);
                if (ret) {
                        BT_CTF_ASSERT_PRE_MSG("Invalid sequence field's element field: "
                                "seq-field-addr=%p, %" PRId64 ", "
                                "elem-field-addr=%p",
                                field, i, sequence->elements->pdata[i]);
                        goto end;
                }
        }
end:
        return ret;
}

void bt_ctf_field_common_generic_reset(struct bt_ctf_field_common *field)
{
        BT_ASSERT_DBG(field);
        field->payload_set = false;
}

void bt_ctf_field_common_structure_reset_recursive(struct bt_ctf_field_common *field)
{
        int64_t i;
        struct bt_ctf_field_common_structure *structure = BT_CTF_FROM_COMMON(field);

        BT_ASSERT_DBG(field);

        for (i = 0; i < structure->fields->len; i++) {
                struct bt_ctf_field_common *member = structure->fields->pdata[i];

                if (!member) {
                        /*
                         * Structure members are lazily initialized;
                         * skip if this member has not been allocated
                         * yet.
                         */
                        continue;
                }

                bt_ctf_field_common_reset_recursive(member);
        }
}

void bt_ctf_field_common_variant_reset_recursive(struct bt_ctf_field_common *field)
{
        struct bt_ctf_field_common_variant *variant = BT_CTF_FROM_COMMON(field);

        BT_ASSERT_DBG(field);
        variant->current_field = NULL;
}

void bt_ctf_field_common_array_reset_recursive(struct bt_ctf_field_common *field)
{
        size_t i;
        struct bt_ctf_field_common_array *array = BT_CTF_FROM_COMMON(field);

        BT_ASSERT_DBG(field);

        for (i = 0; i < array->elements->len; i++) {
                struct bt_ctf_field_common *member = array->elements->pdata[i];

                if (!member) {
                        /*
                         * Array elements are lazily initialized; skip
                         * if this member has not been allocated yet.
                         */
                        continue;
                }

                bt_ctf_field_common_reset_recursive(member);
        }
}

void bt_ctf_field_common_sequence_reset_recursive(struct bt_ctf_field_common *field)
{
        struct bt_ctf_field_common_sequence *sequence = BT_CTF_FROM_COMMON(field);
        uint64_t i;

        BT_ASSERT_DBG(field);

        for (i = 0; i < sequence->elements->len; i++) {
                if (sequence->elements->pdata[i]) {
                        bt_ctf_field_common_reset_recursive(
                                sequence->elements->pdata[i]);
                }
        }

        sequence->length = 0;
}

void bt_ctf_field_common_generic_set_is_frozen(struct bt_ctf_field_common *field,
                bool is_frozen)
{
        field->frozen = is_frozen;
}

void bt_ctf_field_common_structure_set_is_frozen_recursive(
                struct bt_ctf_field_common *field, bool is_frozen)
{
        uint64_t i;
        struct bt_ctf_field_common_structure *structure_field =
                BT_CTF_FROM_COMMON(field);

        BT_LOGD("Freezing structure field object: addr=%p", field);

        for (i = 0; i < structure_field->fields->len; i++) {
                struct bt_ctf_field_common *struct_field =
                        g_ptr_array_index(structure_field->fields, i);

                BT_LOGD("Freezing structure field's field: field-addr=%p, index=%" PRId64,
                        struct_field, i);
                bt_ctf_field_common_set_is_frozen_recursive(struct_field,
                        is_frozen);
        }

        bt_ctf_field_common_generic_set_is_frozen(field, is_frozen);
}

void bt_ctf_field_common_variant_set_is_frozen_recursive(
                struct bt_ctf_field_common *field, bool is_frozen)
{
        uint64_t i;
        struct bt_ctf_field_common_variant *variant_field = BT_CTF_FROM_COMMON(field);

        BT_LOGD("Freezing variant field object: addr=%p", field);

        for (i = 0; i < variant_field->fields->len; i++) {
                struct bt_ctf_field_common *var_field =
                        g_ptr_array_index(variant_field->fields, i);

                BT_LOGD("Freezing variant field's field: field-addr=%p, index=%" PRId64,
                        var_field, i);
                bt_ctf_field_common_set_is_frozen_recursive(var_field, is_frozen);
        }

        bt_ctf_field_common_generic_set_is_frozen(field, is_frozen);
}

void bt_ctf_field_common_array_set_is_frozen_recursive(
                struct bt_ctf_field_common *field, bool is_frozen)
{
        int64_t i;
        struct bt_ctf_field_common_array *array_field = BT_CTF_FROM_COMMON(field);

        BT_LOGD("Freezing array field object: addr=%p", field);

        for (i = 0; i < array_field->elements->len; i++) {
                struct bt_ctf_field_common *elem_field =
                        g_ptr_array_index(array_field->elements, i);

                BT_LOGD("Freezing array field object's element field: "
                        "element-field-addr=%p, index=%" PRId64,
                        elem_field, i);
                bt_ctf_field_common_set_is_frozen_recursive(elem_field, is_frozen);
        }

        bt_ctf_field_common_generic_set_is_frozen(field, is_frozen);
}

void bt_ctf_field_common_sequence_set_is_frozen_recursive(
                struct bt_ctf_field_common *field, bool is_frozen)
{
        int64_t i;
        struct bt_ctf_field_common_sequence *sequence_field =
                BT_CTF_FROM_COMMON(field);

        BT_LOGD("Freezing sequence field object: addr=%p", field);

        for (i = 0; i < sequence_field->length; i++) {
                struct bt_ctf_field_common *elem_field =
                        g_ptr_array_index(sequence_field->elements, i);

                BT_LOGD("Freezing sequence field object's element field: "
                        "element-field-addr=%p, index=%" PRId64,
                        elem_field, i);
                bt_ctf_field_common_set_is_frozen_recursive(elem_field, is_frozen);
        }

        bt_ctf_field_common_generic_set_is_frozen(field, is_frozen);
}

void _bt_ctf_field_common_set_is_frozen_recursive(struct bt_ctf_field_common *field,
                bool is_frozen)
{
        if (!field) {
                goto end;
        }

        BT_LOGD("Setting field object's frozen state: addr=%p, is-frozen=%d",
                field, is_frozen);
        BT_ASSERT_DBG(field_type_common_has_known_id(field->type));
        BT_ASSERT_DBG(field->methods->set_is_frozen);
        field->methods->set_is_frozen(field, is_frozen);

end:
        return;
}

bt_ctf_bool bt_ctf_field_common_generic_is_set(struct bt_ctf_field_common *field)
{
        return field && field->payload_set;
}

bt_ctf_bool bt_ctf_field_common_structure_is_set_recursive(
                struct bt_ctf_field_common *field)
{
        bt_ctf_bool is_set = BT_CTF_FALSE;
        size_t i;
        struct bt_ctf_field_common_structure *structure = BT_CTF_FROM_COMMON(field);

        BT_ASSERT_DBG(field);

        for (i = 0; i < structure->fields->len; i++) {
                is_set = bt_ctf_field_common_is_set_recursive(
                        structure->fields->pdata[i]);
                if (!is_set) {
                        goto end;
                }
        }

end:
        return is_set;
}

bt_ctf_bool bt_ctf_field_common_variant_is_set_recursive(struct bt_ctf_field_common *field)
{
        struct bt_ctf_field_common_variant *variant = BT_CTF_FROM_COMMON(field);
        bt_ctf_bool is_set = BT_CTF_FALSE;

        BT_ASSERT_DBG(field);

        if (variant->current_field) {
                is_set = bt_ctf_field_common_is_set_recursive(
                        variant->current_field);
        }

        return is_set;
}

bt_ctf_bool bt_ctf_field_common_array_is_set_recursive(struct bt_ctf_field_common *field)
{
        size_t i;
        bt_ctf_bool is_set = BT_CTF_FALSE;
        struct bt_ctf_field_common_array *array = BT_CTF_FROM_COMMON(field);

        BT_ASSERT_DBG(field);

        for (i = 0; i < array->elements->len; i++) {
                is_set = bt_ctf_field_common_is_set_recursive(array->elements->pdata[i]);
                if (!is_set) {
                        goto end;
                }
        }

end:
        return is_set;
}

bt_ctf_bool bt_ctf_field_common_sequence_is_set_recursive(struct bt_ctf_field_common *field)
{
        size_t i;
        bt_ctf_bool is_set = BT_CTF_FALSE;
        struct bt_ctf_field_common_sequence *sequence = BT_CTF_FROM_COMMON(field);

        BT_ASSERT_DBG(field);

        if (!sequence->elements) {
                goto end;
        }

        for (i = 0; i < sequence->elements->len; i++) {
                is_set = bt_ctf_field_common_is_set_recursive(
                        sequence->elements->pdata[i]);
                if (!is_set) {
                        goto end;
                }
        }

end:
        return is_set;
}

static struct bt_ctf_field_common_methods bt_ctf_field_integer_methods = {
        .set_is_frozen = bt_ctf_field_common_generic_set_is_frozen,
        .validate = bt_ctf_field_common_generic_validate,
        .copy = NULL,
        .is_set = bt_ctf_field_common_generic_is_set,
        .reset = bt_ctf_field_common_generic_reset,
};

static struct bt_ctf_field_common_methods bt_ctf_field_floating_point_methods = {
        .set_is_frozen = bt_ctf_field_common_generic_set_is_frozen,
        .validate = bt_ctf_field_common_generic_validate,
        .copy = NULL,
        .is_set = bt_ctf_field_common_generic_is_set,
        .reset = bt_ctf_field_common_generic_reset,
};

static
void bt_ctf_field_enumeration_set_is_frozen_recursive(
                struct bt_ctf_field_common *field, bool is_frozen);

static
int bt_ctf_field_enumeration_validate_recursive(struct bt_ctf_field_common *field);

static
bt_ctf_bool bt_ctf_field_enumeration_is_set_recursive(
                struct bt_ctf_field_common *field);

static
void bt_ctf_field_enumeration_reset_recursive(struct bt_ctf_field_common *field);

static struct bt_ctf_field_common_methods bt_ctf_field_enumeration_methods = {
        .set_is_frozen = bt_ctf_field_enumeration_set_is_frozen_recursive,
        .validate = bt_ctf_field_enumeration_validate_recursive,
        .copy = NULL,
        .is_set = bt_ctf_field_enumeration_is_set_recursive,
        .reset = bt_ctf_field_enumeration_reset_recursive,
};

static struct bt_ctf_field_common_methods bt_ctf_field_string_methods = {
        .set_is_frozen = bt_ctf_field_common_generic_set_is_frozen,
        .validate = bt_ctf_field_common_generic_validate,
        .copy = NULL,
        .is_set = bt_ctf_field_common_generic_is_set,
        .reset = bt_ctf_field_common_generic_reset,
};

static struct bt_ctf_field_common_methods bt_ctf_field_structure_methods = {
        .set_is_frozen = bt_ctf_field_common_structure_set_is_frozen_recursive,
        .validate = bt_ctf_field_common_structure_validate_recursive,
        .copy = NULL,
        .is_set = bt_ctf_field_common_structure_is_set_recursive,
        .reset = bt_ctf_field_common_structure_reset_recursive,
};

static struct bt_ctf_field_common_methods bt_ctf_field_sequence_methods = {
        .set_is_frozen = bt_ctf_field_common_sequence_set_is_frozen_recursive,
        .validate = bt_ctf_field_common_sequence_validate_recursive,
        .copy = NULL,
        .is_set = bt_ctf_field_common_sequence_is_set_recursive,
        .reset = bt_ctf_field_common_sequence_reset_recursive,
};

static struct bt_ctf_field_common_methods bt_ctf_field_array_methods = {
        .set_is_frozen = bt_ctf_field_common_array_set_is_frozen_recursive,
        .validate = bt_ctf_field_common_array_validate_recursive,
        .copy = NULL,
        .is_set = bt_ctf_field_common_array_is_set_recursive,
        .reset = bt_ctf_field_common_array_reset_recursive,
};

static
void bt_ctf_field_variant_set_is_frozen_recursive(struct bt_ctf_field_common *field,
                bool is_frozen);

static
int bt_ctf_field_variant_validate_recursive(struct bt_ctf_field_common *field);

static
bt_ctf_bool bt_ctf_field_variant_is_set_recursive(struct bt_ctf_field_common *field);

static
void bt_ctf_field_variant_reset_recursive(struct bt_ctf_field_common *field);

static struct bt_ctf_field_common_methods bt_ctf_field_variant_methods = {
        .set_is_frozen = bt_ctf_field_variant_set_is_frozen_recursive,
        .validate = bt_ctf_field_variant_validate_recursive,
        .copy = NULL,
        .is_set = bt_ctf_field_variant_is_set_recursive,
        .reset = bt_ctf_field_variant_reset_recursive,
};

static
struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *);

static
struct bt_ctf_field *bt_ctf_field_enumeration_create(struct bt_ctf_field_type *);

static
struct bt_ctf_field *bt_ctf_field_floating_point_create(struct bt_ctf_field_type *);

static
struct bt_ctf_field *bt_ctf_field_structure_create(struct bt_ctf_field_type *);

static
struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *);

static
struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *);

static
struct bt_ctf_field *bt_ctf_field_sequence_create(struct bt_ctf_field_type *);

static
struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *);

static
struct bt_ctf_field *(* const field_create_funcs[])(struct bt_ctf_field_type *) = {
        [BT_CTF_FIELD_TYPE_ID_INTEGER] =        bt_ctf_field_integer_create,
        [BT_CTF_FIELD_TYPE_ID_ENUM] =           bt_ctf_field_enumeration_create,
        [BT_CTF_FIELD_TYPE_ID_FLOAT] =          bt_ctf_field_floating_point_create,
        [BT_CTF_FIELD_TYPE_ID_STRUCT] =         bt_ctf_field_structure_create,
        [BT_CTF_FIELD_TYPE_ID_VARIANT] =        bt_ctf_field_variant_create,
        [BT_CTF_FIELD_TYPE_ID_ARRAY] =          bt_ctf_field_array_create,
        [BT_CTF_FIELD_TYPE_ID_SEQUENCE] =       bt_ctf_field_sequence_create,
        [BT_CTF_FIELD_TYPE_ID_STRING] =         bt_ctf_field_string_create,
};

typedef int (*bt_ctf_field_serialize_recursive_func)(
                struct bt_ctf_field_common *, struct bt_ctfser *,
                enum bt_ctf_byte_order);

static
void bt_ctf_field_integer_destroy(struct bt_ctf_field *field)
{
        BT_LOGD("Destroying CTF writer integer field object: addr=%p", field);
        bt_ctf_field_common_integer_finalize((void *) field);
        g_free(field);
}

static
void bt_ctf_field_floating_point_destroy(struct bt_ctf_field *field)
{
        BT_LOGD("Destroying CTF writer floating point field object: addr=%p",
                field);
        bt_ctf_field_common_floating_point_finalize((void *) field);
        g_free(field);
}

static
void bt_ctf_field_enumeration_destroy_recursive(struct bt_ctf_field *field)
{
        struct bt_ctf_field_enumeration *enumeration = BT_CTF_FROM_COMMON(field);

        BT_LOGD("Destroying CTF writer enumeration field object: addr=%p",
                field);
        BT_LOGD_STR("Putting container field.");
        bt_ctf_object_put_ref(enumeration->container);
        bt_ctf_field_common_finalize((void *) field);
        g_free(field);
}

static
void bt_ctf_field_structure_destroy_recursive(struct bt_ctf_field *field)
{
        BT_LOGD("Destroying CTF writer structure field object: addr=%p", field);
        bt_ctf_field_common_structure_finalize_recursive((void *) field);
        g_free(field);
}

static
void bt_ctf_field_variant_destroy_recursive(struct bt_ctf_field *field)
{
        struct bt_ctf_field_variant *variant = BT_CTF_FROM_COMMON(field);

        BT_LOGD("Destroying CTF writer variant field object: addr=%p", field);
        BT_LOGD_STR("Putting tag field.");
        bt_ctf_object_put_ref(variant->tag);
        bt_ctf_field_common_variant_finalize_recursive((void *) field);
        g_free(field);
}

static
void bt_ctf_field_array_destroy_recursive(struct bt_ctf_field *field)
{
        BT_LOGD("Destroying CTF writer array field object: addr=%p", field);
        bt_ctf_field_common_array_finalize_recursive((void *) field);
        g_free(field);
}

static
void bt_ctf_field_sequence_destroy_recursive(struct bt_ctf_field *field)
{
        BT_LOGD("Destroying CTF writer sequence field object: addr=%p", field);
        bt_ctf_field_common_sequence_finalize_recursive((void *) field);
        g_free(field);
}

static
void bt_ctf_field_string_destroy(struct bt_ctf_field *field)
{
        BT_LOGD("Destroying CTF writer string field object: addr=%p", field);
        bt_ctf_field_common_string_finalize((void *) field);
        g_free(field);
}

int bt_ctf_field_serialize_recursive(struct bt_ctf_field *field,
                struct bt_ctfser *ctfser,
                enum bt_ctf_byte_order native_byte_order)
{
        struct bt_ctf_field_common *field_common = (void *) field;
        bt_ctf_field_serialize_recursive_func serialize_func;

        BT_ASSERT_DBG(ctfser);
        BT_CTF_ASSERT_PRE_NON_NULL(field, "Field");
        BT_ASSERT_DBG(field_common->spec.writer.serialize_func);
        serialize_func = field_common->spec.writer.serialize_func;
        return serialize_func(field_common, ctfser,
                native_byte_order);
}

static
int bt_ctf_field_integer_serialize(struct bt_ctf_field_common *field,
                struct bt_ctfser *ctfser,
                enum bt_ctf_byte_order native_byte_order)
{
        int ret;
        struct bt_ctf_field_type_common_integer *int_type =
                BT_CTF_FROM_COMMON(field->type);
        struct bt_ctf_field_common_integer *int_field =
                BT_CTF_FROM_COMMON(field);
        enum bt_ctf_byte_order byte_order;

        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_IS_SET(field, "Integer field");
        BT_LOGT("Serializing CTF writer integer field: addr=%p, native-bo=%s",
                field,
                bt_ctf_byte_order_string(native_byte_order));
        byte_order = int_type->user_byte_order;
        if (byte_order == BT_CTF_BYTE_ORDER_NATIVE) {
                byte_order = native_byte_order;
        }

        if (int_type->is_signed) {
                ret = bt_ctfser_write_signed_int(ctfser,
                        int_field->payload.signd, int_type->common.alignment,
                        int_type->size,
                        byte_order == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN ?
                                LITTLE_ENDIAN : BIG_ENDIAN);
        } else {
                ret = bt_ctfser_write_unsigned_int(ctfser,
                        int_field->payload.unsignd, int_type->common.alignment,
                        int_type->size,
                        byte_order == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN ?
                                LITTLE_ENDIAN : BIG_ENDIAN);
        }

        if (G_UNLIKELY(ret)) {
                BT_LOGE("Cannot serialize integer field: ret=%d", ret);
                goto end;
        }

end:
        return ret;
}

static
int bt_ctf_field_enumeration_serialize_recursive(
                struct bt_ctf_field_common *field, struct bt_ctfser *ctfser,
                enum bt_ctf_byte_order native_byte_order)
{
        struct bt_ctf_field_enumeration *enumeration = (void *) field;

        BT_LOGT("Serializing enumeration field: addr=%p, native-bo=%s",
                field, bt_ctf_byte_order_string(native_byte_order));
        BT_LOGT_STR("Serializing enumeration field's payload field.");
        return bt_ctf_field_serialize_recursive(
                (void *) enumeration->container, ctfser, native_byte_order);
}

static
int bt_ctf_field_floating_point_serialize(struct bt_ctf_field_common *field,
                struct bt_ctfser *ctfser,
                enum bt_ctf_byte_order native_byte_order)
{
        int ret = -1;
        struct bt_ctf_field_type_common_floating_point *flt_type =
                BT_CTF_FROM_COMMON(field->type);
        struct bt_ctf_field_common_floating_point *flt_field = BT_CTF_FROM_COMMON(field);
        enum bt_ctf_byte_order byte_order;

        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_IS_SET(field, "Floating point number field");
        BT_LOGT("Serializing floating point number field: "
                "addr=%p, native-bo=%s", field,
                bt_ctf_byte_order_string(native_byte_order));

        byte_order = flt_type->user_byte_order;
        if (byte_order == BT_CTF_BYTE_ORDER_NATIVE) {
                byte_order = native_byte_order;
        }

        if (flt_type->mant_dig == FLT_MANT_DIG) {
                ret = bt_ctfser_write_float32(ctfser, flt_field->payload,
                        flt_type->common.alignment,
                        byte_order == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN ?
                                LITTLE_ENDIAN : BIG_ENDIAN);
        } else if (flt_type->mant_dig == DBL_MANT_DIG) {
                ret = bt_ctfser_write_float64(ctfser, flt_field->payload,
                        flt_type->common.alignment,
                        byte_order == BT_CTF_BYTE_ORDER_LITTLE_ENDIAN ?
                                LITTLE_ENDIAN : BIG_ENDIAN);
        } else {
                bt_common_abort();
        }

        if (G_UNLIKELY(ret)) {
                BT_LOGE("Cannot serialize floating point number field: "
                        "ret=%d", ret);
                goto end;
        }

end:
        return ret;
}

static
int bt_ctf_field_structure_serialize_recursive(struct bt_ctf_field_common *field,
                struct bt_ctfser *ctfser,
                enum bt_ctf_byte_order native_byte_order)
{
        int64_t i;
        int ret;
        struct bt_ctf_field_common_structure *structure = BT_CTF_FROM_COMMON(field);

        BT_LOGT("Serializing structure field: addr=%p, native-bo=%s",
                field, bt_ctf_byte_order_string(native_byte_order));
        ret = bt_ctfser_align_offset_in_current_packet(ctfser,
                field->type->alignment);
        if (G_UNLIKELY(ret)) {
                BT_LOGE("Cannot align offset before serializing structure field: "
                        "ret=%d", ret);
                goto end;
        }

        for (i = 0; i < structure->fields->len; i++) {
                struct bt_ctf_field_common *member = g_ptr_array_index(
                        structure->fields, i);
                const char *field_name = NULL;

                BT_LOGT("Serializing structure field's field: ser-offset=%" PRIu64 ", "
                        "field-addr=%p, index=%" PRIu64,
                        bt_ctfser_get_offset_in_current_packet_bits(ctfser),
                        member, i);

                if (G_UNLIKELY(!member)) {
                        ret = bt_ctf_field_type_common_structure_borrow_field_by_index(
                                field->type, &field_name, NULL, i);
                        BT_ASSERT_DBG(ret == 0);
                        BT_LOGW("Cannot serialize structure field's field: field is not set: "
                                "struct-field-addr=%p, "
                                "field-name=\"%s\", index=%" PRId64,
                                field, field_name, i);
                        ret = -1;
                        goto end;
                }

                ret = bt_ctf_field_serialize_recursive((void *) member, ctfser,
                        native_byte_order);
                if (G_UNLIKELY(ret)) {
                        ret = bt_ctf_field_type_common_structure_borrow_field_by_index(
                                field->type, &field_name, NULL, i);
                        BT_ASSERT_DBG(ret == 0);
                        BT_LOGW("Cannot serialize structure field's field: "
                                "struct-field-addr=%p, field-addr=%p, "
                                "field-name=\"%s\", index=%" PRId64,
                                field->type, member, field_name, i);
                        break;
                }
        }

end:
        return ret;
}

static
int bt_ctf_field_variant_serialize_recursive(struct bt_ctf_field_common *field,
                struct bt_ctfser *ctfser,
                enum bt_ctf_byte_order native_byte_order)
{
        struct bt_ctf_field_common_variant *variant = BT_CTF_FROM_COMMON(field);

        BT_LOGT("Serializing variant field: addr=%p, native-bo=%s",
                field, bt_ctf_byte_order_string(native_byte_order));
        BT_LOGT_STR("Serializing variant field's payload field.");
        return bt_ctf_field_serialize_recursive(
                (void *) variant->current_field, ctfser, native_byte_order);
}

static
int bt_ctf_field_array_serialize_recursive(struct bt_ctf_field_common *field,
                struct bt_ctfser *ctfser,
                enum bt_ctf_byte_order native_byte_order)
{
        int64_t i;
        int ret = 0;
        struct bt_ctf_field_common_array *array = BT_CTF_FROM_COMMON(field);

        BT_LOGT("Serializing array field: addr=%p, native-bo=%s",
                field, bt_ctf_byte_order_string(native_byte_order));

        for (i = 0; i < array->elements->len; i++) {
                struct bt_ctf_field_common *elem_field =
                        g_ptr_array_index(array->elements, i);

                BT_LOGT("Serializing array field's element field: "
                        "ser-offset=%" PRIu64 ", field-addr=%p, index=%" PRId64,
                        bt_ctfser_get_offset_in_current_packet_bits(ctfser),
                        elem_field, i);
                ret = bt_ctf_field_serialize_recursive(
                        (void *) elem_field, ctfser, native_byte_order);
                if (G_UNLIKELY(ret)) {
                        BT_LOGW("Cannot serialize array field's element field: "
                                "array-field-addr=%p, field-addr=%p, "
                                "index=%" PRId64, field, elem_field, i);
                        goto end;
                }
        }

end:
        return ret;
}

static
int bt_ctf_field_sequence_serialize_recursive(struct bt_ctf_field_common *field,
                struct bt_ctfser *ctfser,
                enum bt_ctf_byte_order native_byte_order)
{
        int64_t i;
        int ret = 0;
        struct bt_ctf_field_common_sequence *sequence = BT_CTF_FROM_COMMON(field);

        BT_LOGT("Serializing sequence field: addr=%p, native-bo=%s",
                field, bt_ctf_byte_order_string(native_byte_order));

        for (i = 0; i < sequence->elements->len; i++) {
                struct bt_ctf_field_common *elem_field =
                        g_ptr_array_index(sequence->elements, i);

                BT_LOGT("Serializing sequence field's element field: "
                        "ser-offset=%" PRIu64 ", field-addr=%p, index=%" PRId64,
                        bt_ctfser_get_offset_in_current_packet_bits(ctfser),
                        elem_field, i);
                ret = bt_ctf_field_serialize_recursive(
                        (void *) elem_field, ctfser, native_byte_order);
                if (G_UNLIKELY(ret)) {
                        BT_LOGW("Cannot serialize sequence field's element field: "
                                "sequence-field-addr=%p, field-addr=%p, "
                                "index=%" PRId64, field, elem_field, i);
                        goto end;
                }
        }

end:
        return ret;
}

static
int bt_ctf_field_string_serialize(struct bt_ctf_field_common *field,
                struct bt_ctfser *ctfser,
                enum bt_ctf_byte_order native_byte_order)
{
        int ret;
        struct bt_ctf_field_common_string *string = BT_CTF_FROM_COMMON(field);

        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_IS_SET(field, "String field");
        BT_LOGT("Serializing string field: addr=%p, native-bo=%s",
                field, bt_ctf_byte_order_string((int) native_byte_order));
        ret = bt_ctfser_write_string(ctfser, (const char *) string->buf->data);
        if (G_UNLIKELY(ret)) {
                BT_LOGE("Cannot serialize string field: ret=%d", ret);
                goto end;
        }

end:
        return ret;
}

BT_EXPORT
struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type)
{
        struct bt_ctf_field *field = NULL;
        enum bt_ctf_field_type_id type_id;

        BT_CTF_ASSERT_PRE_NON_NULL(type, "Field type");
        BT_ASSERT_DBG(field_type_common_has_known_id((void *) type));
        BT_CTF_ASSERT_PRE(bt_ctf_field_type_common_validate((void *) type) == 0,
                "Field type is invalid: ft-addr=%p", type);
        type_id = bt_ctf_field_type_get_type_id(type);
        field = field_create_funcs[type_id](type);
        if (!field) {
                goto end;
        }

        bt_ctf_field_type_common_freeze((void *) type);

end:
        return field;
}

BT_EXPORT
struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field)
{
        return bt_ctf_object_get_ref(bt_ctf_field_common_borrow_type((void *) field));
}

BT_EXPORT
enum bt_ctf_field_type_id bt_ctf_field_get_type_id(struct bt_ctf_field *field)
{
        struct bt_ctf_field_common *field_common = (void *) field;

        BT_CTF_ASSERT_PRE_NON_NULL(field, "Field");
        return (int) field_common->type->id;
}

BT_EXPORT
int bt_ctf_field_sequence_set_length(struct bt_ctf_field *field,
                struct bt_ctf_field *length_field)
{
        int ret;
        struct bt_ctf_field_common *common_length_field = (void *) length_field;
        uint64_t length;

        BT_CTF_ASSERT_PRE_NON_NULL(length_field, "Length field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_IS_SET((void *) length_field, "Length field");
        BT_CTF_ASSERT_PRE(common_length_field->type->id == BT_CTF_FIELD_TYPE_ID_INTEGER ||
                        common_length_field->type->id == BT_CTF_FIELD_TYPE_ID_ENUM,
                "Length field must be an integer or enumeration field: field-addr=%p",
                length_field);

        if (common_length_field->type->id == BT_CTF_FIELD_TYPE_ID_ENUM) {
                struct bt_ctf_field_enumeration *enumeration = (void *)
                        length_field;

                length_field = (void *) enumeration->container;
        }

        ret = bt_ctf_field_integer_unsigned_get_value(length_field, &length);
        BT_ASSERT_DBG(ret == 0);
        return bt_ctf_field_common_sequence_set_length((void *) field,
                length, (bt_ctf_field_common_create_func) bt_ctf_field_create);
}

BT_EXPORT
struct bt_ctf_field *bt_ctf_field_structure_get_field_by_index(
                struct bt_ctf_field *field, uint64_t index)
{
        return bt_ctf_object_get_ref(bt_ctf_field_common_structure_borrow_field_by_index(
                (void *) field, index));
}

BT_EXPORT
struct bt_ctf_field *bt_ctf_field_structure_get_field_by_name(
                struct bt_ctf_field *field, const char *name)
{
        return bt_ctf_object_get_ref(bt_ctf_field_common_structure_borrow_field_by_name(
                (void *) field, name));
}

BT_EXPORT
struct bt_ctf_field *bt_ctf_field_array_get_field(
                struct bt_ctf_field *field, uint64_t index)
{
        return bt_ctf_object_get_ref(
                bt_ctf_field_common_array_borrow_field((void *) field, index));
}

BT_EXPORT
struct bt_ctf_field *bt_ctf_field_sequence_get_field(
                struct bt_ctf_field *field, uint64_t index)
{
        return bt_ctf_object_get_ref(
                bt_ctf_field_common_sequence_borrow_field((void *) field, index));
}

BT_EXPORT
struct bt_ctf_field *bt_ctf_field_variant_get_field(struct bt_ctf_field *field,
                struct bt_ctf_field *tag_field)
{
        struct bt_ctf_field_variant *variant_field = (void *) field;
        struct bt_ctf_field_enumeration *enum_field = (void *) tag_field;
        struct bt_ctf_field_type_common_variant *variant_ft;
        struct bt_ctf_field_type_common_enumeration *tag_ft;
        struct bt_ctf_field *current_field = NULL;
        bt_ctf_bool is_signed;
        uint64_t tag_uval;
        int ret;

        BT_CTF_ASSERT_PRE_NON_NULL(field, "Variant field");
        BT_CTF_ASSERT_PRE_NON_NULL(tag_field, "Tag field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_IS_SET((void *) tag_field, "Tag field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_HAS_TYPE_ID(
                (struct bt_ctf_field_common *) tag_field,
                BT_CTF_FIELD_TYPE_ID_ENUM, "Tag field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_HAS_TYPE_ID(
                (struct bt_ctf_field_common *) field,
                BT_CTF_FIELD_TYPE_ID_VARIANT, "Field");
        BT_CTF_ASSERT_PRE(
                bt_ctf_field_common_validate_recursive((void *) tag_field) == 0,
                "Tag field is invalid: field-addr=%p", tag_field);
        variant_ft = BT_CTF_FROM_COMMON(variant_field->common.common.type);
        BT_CTF_ASSERT_PRE(bt_ctf_field_type_common_compare(
                BT_CTF_TO_COMMON(variant_ft->tag_ft), enum_field->common.type) == 0,
                "Unexpected tag field's type: expected-ft-addr=%p, "
                "tag-ft-addr=%p", variant_ft->tag_ft,
                enum_field->common.type);
        tag_ft = BT_CTF_FROM_COMMON(enum_field->common.type);
        is_signed = tag_ft->container_ft->is_signed;

        if (is_signed) {
                int64_t tag_ival;

                ret = bt_ctf_field_integer_signed_get_value(
                        (void *) enum_field->container, &tag_ival);
                tag_uval = (uint64_t) tag_ival;
        } else {
                ret = bt_ctf_field_integer_unsigned_get_value(
                        (void *) enum_field->container, &tag_uval);
        }

        BT_ASSERT_DBG(ret == 0);
        ret = bt_ctf_field_common_variant_set_tag((void *) field, tag_uval,
                is_signed);
        if (ret) {
                goto end;
        }

        bt_ctf_object_put_ref(variant_field->tag);
        variant_field->tag = bt_ctf_object_get_ref(tag_field);
        current_field = bt_ctf_field_variant_get_current_field(field);
        BT_ASSERT_DBG(current_field);

end:
        return current_field;
}

BT_EXPORT
struct bt_ctf_field *bt_ctf_field_variant_get_current_field(
                struct bt_ctf_field *variant_field)
{
        return bt_ctf_object_get_ref(bt_ctf_field_common_variant_borrow_current_field(
                (void *) variant_field));
}

struct bt_ctf_field *bt_ctf_field_enumeration_borrow_container(
                struct bt_ctf_field *field)
{
        struct bt_ctf_field_enumeration *enumeration = (void *) field;

        BT_CTF_ASSERT_PRE_NON_NULL(field, "Enumeration field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_HAS_TYPE_ID((struct bt_ctf_field_common *) field,
                BT_CTF_FIELD_TYPE_ID_ENUM, "Field");
        BT_ASSERT_DBG(enumeration->container);
        return (void *) enumeration->container;
}

BT_EXPORT
struct bt_ctf_field *bt_ctf_field_enumeration_get_container(
                struct bt_ctf_field *field)
{
        return bt_ctf_object_get_ref(bt_ctf_field_enumeration_borrow_container(field));
}

BT_EXPORT
int bt_ctf_field_integer_signed_get_value(struct bt_ctf_field *field,
                int64_t *value)
{
        struct bt_ctf_field_common_integer *integer = (void *) field;

        BT_CTF_ASSERT_PRE_NON_NULL(field, "Integer field");
        BT_CTF_ASSERT_PRE_NON_NULL(value, "Value");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_IS_SET(BT_CTF_TO_COMMON(integer), "Integer field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_HAS_TYPE_ID(BT_CTF_TO_COMMON(integer),
                BT_CTF_FIELD_TYPE_ID_INTEGER, "Field");
        BT_CTF_ASSERT_PRE(bt_ctf_field_type_common_integer_is_signed(
                integer->common.type),
                "Field's type is unsigned: field-addr=%p", field);
        *value = integer->payload.signd;
        return 0;
}

BT_EXPORT
int bt_ctf_field_integer_signed_set_value(struct bt_ctf_field *field,
                int64_t value)
{
        int ret = 0;
        struct bt_ctf_field_common_integer *integer = (void *) field;
        struct bt_ctf_field_type_common_integer *integer_type;

        BT_CTF_ASSERT_PRE_NON_NULL(field, "Integer field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_HOT(BT_CTF_TO_COMMON(integer), "Integer field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_HAS_TYPE_ID(BT_CTF_TO_COMMON(integer),
                BT_CTF_FIELD_TYPE_ID_INTEGER, "Field");
        integer_type = BT_CTF_FROM_COMMON(integer->common.type);
        BT_CTF_ASSERT_PRE(
                bt_ctf_field_type_common_integer_is_signed(integer->common.type),
                "Field's type is unsigned: field-addr=%p", field);
        BT_CTF_ASSERT_PRE(value_is_in_range_signed(integer_type->size, value),
                "Value is out of bounds: value=%" PRId64 ", field-addr=%p",
                value, field);
        integer->payload.signd = value;
        bt_ctf_field_common_set(BT_CTF_TO_COMMON(integer), true);
        return ret;
}

BT_EXPORT
int bt_ctf_field_integer_unsigned_get_value(struct bt_ctf_field *field,
                uint64_t *value)
{
        struct bt_ctf_field_common_integer *integer = (void *) field;

        BT_CTF_ASSERT_PRE_NON_NULL(field, "Integer field");
        BT_CTF_ASSERT_PRE_NON_NULL(value, "Value");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_IS_SET(BT_CTF_TO_COMMON(integer), "Integer field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_HAS_TYPE_ID(BT_CTF_TO_COMMON(integer),
                BT_CTF_FIELD_TYPE_ID_INTEGER, "Field");
        BT_CTF_ASSERT_PRE(
                !bt_ctf_field_type_common_integer_is_signed(integer->common.type),
                "Field's type is signed: field-addr=%p", field);
        *value = integer->payload.unsignd;
        return 0;
}

BT_EXPORT
int bt_ctf_field_integer_unsigned_set_value(struct bt_ctf_field *field,
                uint64_t value)
{
        struct bt_ctf_field_common_integer *integer = (void *) field;
        struct bt_ctf_field_type_common_integer *integer_type;

        BT_CTF_ASSERT_PRE_NON_NULL(field, "Integer field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_HOT(BT_CTF_TO_COMMON(integer), "Integer field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_HAS_TYPE_ID(BT_CTF_TO_COMMON(integer),
                BT_CTF_FIELD_TYPE_ID_INTEGER, "Field");
        integer_type = BT_CTF_FROM_COMMON(integer->common.type);
        BT_CTF_ASSERT_PRE(
                !bt_ctf_field_type_common_integer_is_signed(integer->common.type),
                "Field's type is signed: field-addr=%p", field);
        BT_CTF_ASSERT_PRE(value_is_in_range_unsigned(integer_type->size, value),
                "Value is out of bounds: value=%" PRIu64 ", field-addr=%p",
                value, field);
        integer->payload.unsignd = value;
        bt_ctf_field_common_set(BT_CTF_TO_COMMON(integer), true);
        return 0;
}

BT_EXPORT
int bt_ctf_field_floating_point_get_value(struct bt_ctf_field *field,
                double *value)
{
        return bt_ctf_field_common_floating_point_get_value((void *) field, value);
}

BT_EXPORT
int bt_ctf_field_floating_point_set_value(struct bt_ctf_field *field,
                double value)
{
        return bt_ctf_field_common_floating_point_set_value((void *) field, value);
}

BT_EXPORT
const char *bt_ctf_field_string_get_value(struct bt_ctf_field *field)
{
        return bt_ctf_field_common_string_get_value((void *) field);
}

BT_EXPORT
int bt_ctf_field_string_set_value(struct bt_ctf_field *field, const char *value)
{
        return bt_ctf_field_common_string_set_value((void *) field, value);
}

BT_EXPORT
int bt_ctf_field_string_append(struct bt_ctf_field *field, const char *value)
{
        return bt_ctf_field_common_string_append((void *) field, value);
}

BT_EXPORT
int bt_ctf_field_string_append_len(struct bt_ctf_field *field,
                const char *value, unsigned int length)
{
        return bt_ctf_field_common_string_append_len((void *) field, value, length);
}

BT_EXPORT
struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field)
{
        return (void *) bt_ctf_field_common_copy((void *) field);
}

static
struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type)
{
        struct bt_ctf_field_common_integer *integer =
                g_new0(struct bt_ctf_field_common_integer, 1);

        BT_LOGD("Creating CTF writer integer field object: ft-addr=%p", type);

        if (integer) {
                bt_ctf_field_common_initialize(BT_CTF_TO_COMMON(integer), (void *) type,
                        true,
                        (bt_ctf_object_release_func) bt_ctf_field_integer_destroy,
                        &bt_ctf_field_integer_methods);
                integer->common.spec.writer.serialize_func =
                        (bt_ctf_field_serialize_recursive_func) bt_ctf_field_integer_serialize;
                BT_LOGD("Created CTF writer integer field object: addr=%p, ft-addr=%p",
                        integer, type);
        } else {
                BT_LOGE_STR("Failed to allocate one integer field.");
        }

        return (void *) integer;
}

static
struct bt_ctf_field *bt_ctf_field_enumeration_create(
                struct bt_ctf_field_type *type)
{
        struct bt_ctf_field_type_common_enumeration *enum_ft = (void *) type;
        struct bt_ctf_field_enumeration *enumeration = g_new0(
                struct bt_ctf_field_enumeration, 1);

        BT_LOGD("Creating CTF writer enumeration field object: ft-addr=%p", type);

        if (!enumeration) {
                BT_LOGE_STR("Failed to allocate one enumeration field.");
                goto end;
        }

        bt_ctf_field_common_initialize(BT_CTF_TO_COMMON(enumeration),
                (void *) type,
                true, (bt_ctf_object_release_func)
                        bt_ctf_field_enumeration_destroy_recursive,
                &bt_ctf_field_enumeration_methods);
        enumeration->container = (void *) bt_ctf_field_create(
                BT_CTF_FROM_COMMON(enum_ft->container_ft));
        if (!enumeration->container) {
                BT_CTF_OBJECT_PUT_REF_AND_RESET(enumeration);
                goto end;
        }

        enumeration->common.spec.writer.serialize_func =
                (bt_ctf_field_serialize_recursive_func)
                        bt_ctf_field_enumeration_serialize_recursive;
        BT_LOGD("Created CTF writer enumeration field object: addr=%p, ft-addr=%p",
                enumeration, type);

end:
        return (void *) enumeration;
}

static
struct bt_ctf_field *bt_ctf_field_floating_point_create(
                struct bt_ctf_field_type *type)
{
        struct bt_ctf_field_common_floating_point *floating_point;

        BT_LOGD("Creating CTF writer floating point number field object: ft-addr=%p", type);
        floating_point = g_new0(struct bt_ctf_field_common_floating_point, 1);

        if (floating_point) {
                bt_ctf_field_common_initialize(BT_CTF_TO_COMMON(floating_point),
                        (void *) type,
                        true, (bt_ctf_object_release_func)
                                bt_ctf_field_floating_point_destroy,
                        &bt_ctf_field_floating_point_methods);
                floating_point->common.spec.writer.serialize_func =
                        (bt_ctf_field_serialize_recursive_func) bt_ctf_field_floating_point_serialize;
                BT_LOGD("Created CTF writer floating point number field object: addr=%p, ft-addr=%p",
                        floating_point, type);
        } else {
                BT_LOGE_STR("Failed to allocate one floating point number field.");
        }

        return (void *) floating_point;
}

static
struct bt_ctf_field *bt_ctf_field_structure_create(
                struct bt_ctf_field_type *type)
{
        struct bt_ctf_field_common_structure *structure = g_new0(
                struct bt_ctf_field_common_structure, 1);
        int iret;

        BT_LOGD("Creating CTF writer structure field object: ft-addr=%p", type);

        if (!structure) {
                BT_LOGE_STR("Failed to allocate one structure field.");
                goto end;
        }

        iret = bt_ctf_field_common_structure_initialize(BT_CTF_TO_COMMON(structure),
                (void *) type,
                true, (bt_ctf_object_release_func)
                        bt_ctf_field_structure_destroy_recursive,
                &bt_ctf_field_structure_methods,
                (bt_ctf_field_common_create_func) bt_ctf_field_create,
                (GDestroyNotify) bt_ctf_object_put_ref);
        structure->common.spec.writer.serialize_func =
                (bt_ctf_field_serialize_recursive_func) bt_ctf_field_structure_serialize_recursive;
        if (iret) {
                BT_CTF_OBJECT_PUT_REF_AND_RESET(structure);
                goto end;
        }

        BT_LOGD("Created CTF writer structure field object: addr=%p, ft-addr=%p",
                structure, type);

end:
        return (void *) structure;
}

static
struct bt_ctf_field *bt_ctf_field_variant_create(struct bt_ctf_field_type *type)
{
        struct bt_ctf_field_type_common_variant *var_ft = (void *) type;
        struct bt_ctf_field_variant *variant = g_new0(
                struct bt_ctf_field_variant, 1);

        BT_LOGD("Creating CTF writer variant field object: ft-addr=%p", type);

        if (!variant) {
                BT_LOGE_STR("Failed to allocate one variant field.");
                goto end;
        }

        bt_ctf_field_common_variant_initialize(BT_CTF_TO_COMMON(BT_CTF_TO_COMMON(variant)),
                (void *) type,
                true, (bt_ctf_object_release_func)
                        bt_ctf_field_variant_destroy_recursive,
                &bt_ctf_field_variant_methods,
                (bt_ctf_field_common_create_func) bt_ctf_field_create,
                (GDestroyNotify) bt_ctf_object_put_ref);
        variant->tag = (void *) bt_ctf_field_create(
                BT_CTF_FROM_COMMON(var_ft->tag_ft));
        variant->common.common.spec.writer.serialize_func =
                (bt_ctf_field_serialize_recursive_func) bt_ctf_field_variant_serialize_recursive;
        BT_LOGD("Created CTF writer variant field object: addr=%p, ft-addr=%p",
                variant, type);

end:
        return (void *) variant;
}

static
struct bt_ctf_field *bt_ctf_field_array_create(struct bt_ctf_field_type *type)
{
        struct bt_ctf_field_common_array *array =
                g_new0(struct bt_ctf_field_common_array, 1);
        int ret;

        BT_LOGD("Creating CTF writer array field object: ft-addr=%p", type);
        BT_ASSERT_DBG(type);

        if (!array) {
                BT_LOGE_STR("Failed to allocate one array field.");
                goto end;
        }

        ret = bt_ctf_field_common_array_initialize(BT_CTF_TO_COMMON(array),
                (void *) type,
                true, (bt_ctf_object_release_func)
                        bt_ctf_field_array_destroy_recursive,
                &bt_ctf_field_array_methods,
                (bt_ctf_field_common_create_func) bt_ctf_field_create,
                (GDestroyNotify) bt_ctf_object_put_ref);
        array->common.spec.writer.serialize_func =
                (bt_ctf_field_serialize_recursive_func) bt_ctf_field_array_serialize_recursive;
        if (ret) {
                BT_CTF_OBJECT_PUT_REF_AND_RESET(array);
                goto end;
        }

        BT_LOGD("Created CTF writer array field object: addr=%p, ft-addr=%p",
                array, type);

end:
        return (void *) array;
}

static
struct bt_ctf_field *bt_ctf_field_sequence_create(struct bt_ctf_field_type *type)
{
        struct bt_ctf_field_common_sequence *sequence = g_new0(
                struct bt_ctf_field_common_sequence, 1);

        BT_LOGD("Creating CTF writer sequence field object: ft-addr=%p", type);

        if (sequence) {
                bt_ctf_field_common_sequence_initialize(BT_CTF_TO_COMMON(sequence),
                        (void *) type,
                        true, (bt_ctf_object_release_func)
                                bt_ctf_field_sequence_destroy_recursive,
                        &bt_ctf_field_sequence_methods,
                        (GDestroyNotify) bt_ctf_object_put_ref);
                sequence->common.spec.writer.serialize_func =
                        (bt_ctf_field_serialize_recursive_func) bt_ctf_field_sequence_serialize_recursive;
                BT_LOGD("Created CTF writer sequence field object: addr=%p, ft-addr=%p",
                        sequence, type);
        } else {
                BT_LOGE_STR("Failed to allocate one sequence field.");
        }

        return (void *) sequence;
}

static
struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *type)
{
        struct bt_ctf_field_common_string *string = g_new0(
                struct bt_ctf_field_common_string, 1);

        BT_LOGD("Creating CTF writer string field object: ft-addr=%p", type);

        if (string) {
                bt_ctf_field_common_string_initialize(BT_CTF_TO_COMMON(string),
                        (void *) type,
                        true, (bt_ctf_object_release_func)
                                bt_ctf_field_string_destroy,
                        &bt_ctf_field_string_methods);
                string->common.spec.writer.serialize_func =
                        (bt_ctf_field_serialize_recursive_func) bt_ctf_field_string_serialize;
                BT_LOGD("Created CTF writer string field object: addr=%p, ft-addr=%p",
                        string, type);
        } else {
                BT_LOGE_STR("Failed to allocate one string field.");
        }

        return (void *) string;
}

static
void bt_ctf_field_enumeration_set_is_frozen_recursive(
                struct bt_ctf_field_common *field, bool is_frozen)
{
        struct bt_ctf_field_enumeration *enumeration = (void *) field;

        if (enumeration->container) {
                bt_ctf_field_common_set_is_frozen_recursive(
                        (void *) enumeration->container, is_frozen);
        }

        bt_ctf_field_common_generic_set_is_frozen((void *) field, is_frozen);
}

static
int bt_ctf_field_enumeration_validate_recursive(struct bt_ctf_field_common *field)
{
        int ret = -1;
        struct bt_ctf_field_enumeration *enumeration = (void *) field;

        if (enumeration->container) {
                ret = bt_ctf_field_common_validate_recursive(
                        (void *) enumeration->container);
        }

        return ret;
}

static
bt_ctf_bool bt_ctf_field_enumeration_is_set_recursive(struct bt_ctf_field_common *field)
{
        bt_ctf_bool is_set = BT_CTF_FALSE;
        struct bt_ctf_field_enumeration *enumeration = (void *) field;

        if (enumeration->container) {
                is_set = bt_ctf_field_common_is_set_recursive(
                        (void *) enumeration->container);
        }

        return is_set;
}

static
void bt_ctf_field_enumeration_reset_recursive(struct bt_ctf_field_common *field)
{
        struct bt_ctf_field_enumeration *enumeration = (void *) field;

        if (enumeration->container) {
                bt_ctf_field_common_reset_recursive(
                        (void *) enumeration->container);
        }

        bt_ctf_field_common_generic_reset((void *) field);
}

static
void bt_ctf_field_variant_set_is_frozen_recursive(
                struct bt_ctf_field_common *field, bool is_frozen)
{
        struct bt_ctf_field_variant *variant = (void *) field;

        if (variant->tag) {
                bt_ctf_field_common_set_is_frozen_recursive(
                        (void *) variant->tag, is_frozen);
        }

        bt_ctf_field_common_variant_set_is_frozen_recursive((void *) field,
                is_frozen);
}

static
int bt_ctf_field_variant_validate_recursive(struct bt_ctf_field_common *field)
{
        int ret;
        struct bt_ctf_field_variant *variant = (void *) field;

        if (variant->tag) {
                ret = bt_ctf_field_common_validate_recursive(
                        (void *) variant->tag);
                if (ret) {
                        goto end;
                }
        }

        ret = bt_ctf_field_common_variant_validate_recursive((void *) field);

end:
        return ret;
}

static
bt_ctf_bool bt_ctf_field_variant_is_set_recursive(struct bt_ctf_field_common *field)
{
        bt_ctf_bool is_set;
        struct bt_ctf_field_variant *variant = (void *) field;

        if (variant->tag) {
                is_set = bt_ctf_field_common_is_set_recursive(
                        (void *) variant->tag);
                if (is_set) {
                        goto end;
                }
        }

        is_set = bt_ctf_field_common_variant_is_set_recursive((void *) field);

end:
        return is_set;
}

static
void bt_ctf_field_variant_reset_recursive(struct bt_ctf_field_common *field)
{
        struct bt_ctf_field_variant *variant = (void *) field;

        if (variant->tag) {
                bt_ctf_field_common_reset_recursive(
                        (void *) variant->tag);
        }

        bt_ctf_field_common_variant_reset_recursive((void *) field);
}

BT_CTF_ASSERT_PRE_FUNC
static inline bool field_to_set_has_expected_type(
                struct bt_ctf_field_common *struct_field,
                const char *name, struct bt_ctf_field_common *value)
{
        bool ret = true;
        struct bt_ctf_field_type_common *expected_field_type = NULL;

        expected_field_type =
                bt_ctf_field_type_common_structure_borrow_field_type_by_name(
                        struct_field->type, name);

        if (bt_ctf_field_type_common_compare(expected_field_type, value->type)) {
                BT_CTF_ASSERT_PRE_MSG("Value field's type is different from the expected field type: "
                        "value-ft-addr=%p, expected-ft-addr=%p", value->type,
                        expected_field_type);
                ret = false;
                goto end;
        }

end:
        return ret;
}

int bt_ctf_field_structure_set_field_by_name(struct bt_ctf_field *field,
                const char *name, struct bt_ctf_field *value)
{
        int ret = 0;
        GQuark field_quark;
        struct bt_ctf_field_common *common_field = (void *) field;
        struct bt_ctf_field_common_structure *structure =
                BT_CTF_FROM_COMMON(common_field);
        struct bt_ctf_field_common *common_value = (void *) value;
        size_t index;
        GHashTable *field_name_to_index;
        struct bt_ctf_field_type_common_structure *structure_ft;

        BT_CTF_ASSERT_PRE_NON_NULL(field, "Parent field");
        BT_CTF_ASSERT_PRE_NON_NULL(name, "Field name");
        BT_CTF_ASSERT_PRE_NON_NULL(value, "Value field");
        BT_CTF_ASSERT_PRE_CTF_FIELD_COMMON_HAS_TYPE_ID(common_field,
                BT_CTF_FIELD_TYPE_ID_STRUCT, "Parent field");
        BT_CTF_ASSERT_PRE(field_to_set_has_expected_type(common_field,
                name, common_value),
                "Value field's type is different from the expected field type.");
        field_quark = g_quark_from_string(name);
        structure_ft = BT_CTF_FROM_COMMON(common_field->type);
        field_name_to_index = structure_ft->field_name_to_index;
        if (!g_hash_table_lookup_extended(field_name_to_index,
                        GUINT_TO_POINTER(field_quark), NULL,
                        (gpointer *) &index)) {
                BT_LOGT("Invalid parameter: no such field in structure field's type: "
                        "struct-field-addr=%p, struct-ft-addr=%p, "
                        "field-ft-addr=%p, name=\"%s\"",
                        field, common_field->type, common_value->type, name);
                ret = -1;
                goto end;
        }
        bt_ctf_object_get_ref(value);
        BT_CTF_OBJECT_MOVE_REF(structure->fields->pdata[index], value);

end:
        return ret;
}