+++ /dev/null
-/*
- * fields.c
- *
- * Babeltrace CTF IR - Event Fields
- *
- * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Author: Jérémie Galarneau <jeremie.galarneau@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.
- */
-
-#define BT_LOG_TAG "FIELDS"
-#include <babeltrace/lib-logging-internal.h>
-
-#include <babeltrace/assert-pre-internal.h>
-#include <babeltrace/ctf-ir/fields.h>
-#include <babeltrace/ctf-ir/fields-internal.h>
-#include <babeltrace/ctf-ir/field-types-internal.h>
-#include <babeltrace/object-internal.h>
-#include <babeltrace/ref.h>
-#include <babeltrace/compiler-internal.h>
-#include <babeltrace/compat/fcntl-internal.h>
-#include <babeltrace/align-internal.h>
-#include <babeltrace/assert-internal.h>
-#include <inttypes.h>
-
-static
-void reset_single_field(struct bt_field *field);
-
-static
-void reset_array_field(struct bt_field *field);
-
-static
-void reset_structure_field(struct bt_field *field);
-
-static
-void reset_variant_field(struct bt_field *field);
-
-static
-void set_single_field_is_frozen(struct bt_field *field, bool is_frozen);
-
-static
-void set_array_field_is_frozen(struct bt_field *field, bool is_frozen);
-
-static
-void set_structure_field_is_frozen(struct bt_field *field, bool is_frozen);
-
-static
-void set_variant_field_is_frozen(struct bt_field *field, bool is_frozen);
-
-static
-bool single_field_is_set(struct bt_field *field);
-
-static
-bool array_field_is_set(struct bt_field *field);
-
-static
-bool structure_field_is_set(struct bt_field *field);
-
-static
-bool variant_field_is_set(struct bt_field *field);
-
-static
-struct bt_field_methods integer_field_methods = {
- .set_is_frozen = set_single_field_is_frozen,
- .is_set = single_field_is_set,
- .reset = reset_single_field,
-};
-
-static
-struct bt_field_methods real_field_methods = {
- .set_is_frozen = set_single_field_is_frozen,
- .is_set = single_field_is_set,
- .reset = reset_single_field,
-};
-
-static
-struct bt_field_methods string_field_methods = {
- .set_is_frozen = set_single_field_is_frozen,
- .is_set = single_field_is_set,
- .reset = reset_single_field,
-};
-
-static
-struct bt_field_methods structure_field_methods = {
- .set_is_frozen = set_structure_field_is_frozen,
- .is_set = structure_field_is_set,
- .reset = reset_structure_field,
-};
-
-static
-struct bt_field_methods array_field_methods = {
- .set_is_frozen = set_array_field_is_frozen,
- .is_set = array_field_is_set,
- .reset = reset_array_field,
-};
-
-static
-struct bt_field_methods variant_field_methods = {
- .set_is_frozen = set_variant_field_is_frozen,
- .is_set = variant_field_is_set,
- .reset = reset_variant_field,
-};
-
-static
-struct bt_field *create_integer_field(struct bt_field_type *);
-
-static
-struct bt_field *create_real_field(struct bt_field_type *);
-
-static
-struct bt_field *create_string_field(struct bt_field_type *);
-
-static
-struct bt_field *create_structure_field(struct bt_field_type *);
-
-static
-struct bt_field *create_static_array_field(struct bt_field_type *);
-
-static
-struct bt_field *create_dynamic_array_field(struct bt_field_type *);
-
-static
-struct bt_field *create_variant_field(struct bt_field_type *);
-
-static
-struct bt_field *(* const field_create_funcs[])(struct bt_field_type *) = {
- [BT_FIELD_TYPE_ID_UNSIGNED_INTEGER] = create_integer_field,
- [BT_FIELD_TYPE_ID_SIGNED_INTEGER] = create_integer_field,
- [BT_FIELD_TYPE_ID_UNSIGNED_ENUMERATION] = create_integer_field,
- [BT_FIELD_TYPE_ID_SIGNED_ENUMERATION] = create_integer_field,
- [BT_FIELD_TYPE_ID_REAL] = create_real_field,
- [BT_FIELD_TYPE_ID_STRING] = create_string_field,
- [BT_FIELD_TYPE_ID_STRUCTURE] = create_structure_field,
- [BT_FIELD_TYPE_ID_STATIC_ARRAY] = create_static_array_field,
- [BT_FIELD_TYPE_ID_DYNAMIC_ARRAY] = create_dynamic_array_field,
- [BT_FIELD_TYPE_ID_VARIANT] = create_variant_field,
-};
-
-static
-void destroy_integer_field(struct bt_field *field);
-
-static
-void destroy_real_field(struct bt_field *field);
-
-static
-void destroy_string_field(struct bt_field *field);
-
-static
-void destroy_structure_field(struct bt_field *field);
-
-static
-void destroy_array_field(struct bt_field *field);
-
-static
-void destroy_variant_field(struct bt_field *field);
-
-static
-void (* const field_destroy_funcs[])(struct bt_field *) = {
- [BT_FIELD_TYPE_ID_UNSIGNED_INTEGER] = destroy_integer_field,
- [BT_FIELD_TYPE_ID_SIGNED_INTEGER] = destroy_integer_field,
- [BT_FIELD_TYPE_ID_UNSIGNED_ENUMERATION] = destroy_integer_field,
- [BT_FIELD_TYPE_ID_SIGNED_ENUMERATION] = destroy_integer_field,
- [BT_FIELD_TYPE_ID_REAL] = destroy_real_field,
- [BT_FIELD_TYPE_ID_STRING] = destroy_string_field,
- [BT_FIELD_TYPE_ID_STRUCTURE] = destroy_structure_field,
- [BT_FIELD_TYPE_ID_STATIC_ARRAY] = destroy_array_field,
- [BT_FIELD_TYPE_ID_DYNAMIC_ARRAY] = destroy_array_field,
- [BT_FIELD_TYPE_ID_VARIANT] = destroy_variant_field,
-};
-
-struct bt_field_type *bt_field_borrow_type(struct bt_field *field)
-{
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- return field->type;
-}
-
-enum bt_field_type_id bt_field_get_type_id(struct bt_field *field)
-{
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- return field->type->id;
-}
-
-BT_HIDDEN
-struct bt_field *bt_field_create(struct bt_field_type *ft)
-{
- struct bt_field *field = NULL;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT(bt_field_type_has_known_id(ft));
- field = field_create_funcs[ft->id](ft);
- if (!field) {
- BT_LIB_LOGE("Cannot create field object from field type: "
- "%![ft-]+F", ft);
- goto end;
- }
-
-end:
- return field;
-}
-
-static inline
-void init_field(struct bt_field *field, struct bt_field_type *ft,
- struct bt_field_methods *methods)
-{
- BT_ASSERT(field);
- BT_ASSERT(ft);
- bt_object_init_unique(&field->base);
- field->methods = methods;
- field->type = bt_get(ft);
-}
-
-static
-struct bt_field *create_integer_field(struct bt_field_type *ft)
-{
- struct bt_field_integer *int_field;
-
- BT_LIB_LOGD("Creating integer field object: %![ft-]+F", ft);
- int_field = g_new0(struct bt_field_integer, 1);
- if (!int_field) {
- BT_LOGE_STR("Failed to allocate one integer field.");
- goto end;
- }
-
- init_field((void *) int_field, ft, &integer_field_methods);
- BT_LIB_LOGD("Created integer field object: %!+f", int_field);
-
-end:
- return (void *) int_field;
-}
-
-static
-struct bt_field *create_real_field(struct bt_field_type *ft)
-{
- struct bt_field_real *real_field;
-
- BT_LIB_LOGD("Creating real field object: %![ft-]+F", ft);
- real_field = g_new0(struct bt_field_real, 1);
- if (!real_field) {
- BT_LOGE_STR("Failed to allocate one real field.");
- goto end;
- }
-
- init_field((void *) real_field, ft, &real_field_methods);
- BT_LIB_LOGD("Created real field object: %!+f", real_field);
-
-end:
- return (void *) real_field;
-}
-
-static
-struct bt_field *create_string_field(struct bt_field_type *ft)
-{
- struct bt_field_string *string_field;
-
- BT_LIB_LOGD("Creating string field object: %![ft-]+F", ft);
- string_field = g_new0(struct bt_field_string, 1);
- if (!string_field) {
- BT_LOGE_STR("Failed to allocate one string field.");
- goto end;
- }
-
- init_field((void *) string_field, ft, &string_field_methods);
- string_field->buf = g_array_sized_new(FALSE, FALSE,
- sizeof(char), 1);
- if (!string_field->buf) {
- BT_LOGE_STR("Failed to allocate a GArray.");
- BT_PUT(string_field);
- goto end;
- }
-
- g_array_index(string_field->buf, char, 0) = '\0';
- BT_LIB_LOGD("Created string field object: %!+f", string_field);
-
-end:
- return (void *) string_field;
-}
-
-static inline
-int create_fields_from_named_field_types(
- struct bt_field_type_named_field_types_container *ft,
- GPtrArray **fields)
-{
- int ret = 0;
- uint64_t i;
-
- *fields = g_ptr_array_new_with_free_func(
- (GDestroyNotify) bt_field_destroy);
- if (!*fields) {
- BT_LOGE_STR("Failed to allocate a GPtrArray.");
- ret = -1;
- goto end;
- }
-
- g_ptr_array_set_size(*fields, ft->named_fts->len);
-
- for (i = 0; i < ft->named_fts->len; i++) {
- struct bt_field *field;
- struct bt_named_field_type *named_ft =
- BT_FIELD_TYPE_NAMED_FT_AT_INDEX(ft, i);
-
- field = bt_field_create(named_ft->ft);
- if (!field) {
- BT_LIB_LOGE("Failed to create structure member or variant option field: "
- "name=\"%s\", %![ft-]+F",
- named_ft->name->str, named_ft->ft);
- ret = -1;
- goto end;
- }
-
- g_ptr_array_index(*fields, i) = field;
- }
-
-end:
- return ret;
-}
-
-static
-struct bt_field *create_structure_field(struct bt_field_type *ft)
-{
- struct bt_field_structure *struct_field;
-
- BT_LIB_LOGD("Creating structure field object: %![ft-]+F", ft);
- struct_field = g_new0(struct bt_field_structure, 1);
- if (!struct_field) {
- BT_LOGE_STR("Failed to allocate one structure field.");
- goto end;
- }
-
- init_field((void *) struct_field, ft, &structure_field_methods);
-
- if (create_fields_from_named_field_types((void *) ft,
- &struct_field->fields)) {
- BT_LIB_LOGE("Cannot create structure member fields: "
- "%![ft-]+F", ft);
- BT_PUT(struct_field);
- goto end;
- }
-
- BT_LIB_LOGD("Created structure field object: %!+f", struct_field);
-
-end:
- return (void *) struct_field;
-}
-
-static
-struct bt_field *create_variant_field(struct bt_field_type *ft)
-{
- struct bt_field_variant *var_field;
-
- BT_LIB_LOGD("Creating variant field object: %![ft-]+F", ft);
- var_field = g_new0(struct bt_field_variant, 1);
- if (!var_field) {
- BT_LOGE_STR("Failed to allocate one variant field.");
- goto end;
- }
-
- init_field((void *) var_field, ft, &variant_field_methods);
-
- if (create_fields_from_named_field_types((void *) ft,
- &var_field->fields)) {
- BT_LIB_LOGE("Cannot create variant member fields: "
- "%![ft-]+F", ft);
- BT_PUT(var_field);
- goto end;
- }
-
- BT_LIB_LOGD("Created variant field object: %!+f", var_field);
-
-end:
- return (void *) var_field;
-}
-
-static inline
-int init_array_field_fields(struct bt_field_array *array_field)
-{
- int ret = 0;
- uint64_t i;
- struct bt_field_type_array *array_ft;
-
- BT_ASSERT(array_field);
- array_ft = (void *) array_field->common.type;
- array_field->fields = g_ptr_array_sized_new(array_field->length);
- if (!array_field->fields) {
- BT_LOGE_STR("Failed to allocate a GPtrArray.");
- ret = -1;
- goto end;
- }
-
- g_ptr_array_set_free_func(array_field->fields,
- (GDestroyNotify) bt_field_destroy);
- g_ptr_array_set_size(array_field->fields, array_field->length);
-
- for (i = 0; i < array_field->length; i++) {
- array_field->fields->pdata[i] = bt_field_create(
- array_ft->element_ft);
- if (!array_field->fields->pdata[i]) {
- BT_LIB_LOGE("Cannot create array field's element field: "
- "index=%" PRIu64 ", %![ft-]+F", i, array_ft);
- ret = -1;
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-static
-struct bt_field *create_static_array_field(struct bt_field_type *ft)
-{
- struct bt_field_type_static_array *array_ft = (void *) ft;
- struct bt_field_array *array_field;
-
- BT_LIB_LOGD("Creating static array field object: %![ft-]+F", ft);
- array_field = g_new0(struct bt_field_array, 1);
- if (!array_field) {
- BT_LOGE_STR("Failed to allocate one static array field.");
- goto end;
- }
-
- init_field((void *) array_field, ft, &array_field_methods);
- array_field->length = array_ft->length;
-
- if (init_array_field_fields(array_field)) {
- BT_LIB_LOGE("Cannot create static array fields: "
- "%![ft-]+F", ft);
- BT_PUT(array_field);
- goto end;
- }
-
- BT_LIB_LOGD("Created static array field object: %!+f", array_field);
-
-end:
- return (void *) array_field;
-}
-
-static
-struct bt_field *create_dynamic_array_field(struct bt_field_type *ft)
-{
- struct bt_field_array *array_field;
-
- BT_LIB_LOGD("Creating dynamic array field object: %![ft-]+F", ft);
- array_field = g_new0(struct bt_field_array, 1);
- if (!array_field) {
- BT_LOGE_STR("Failed to allocate one dynamic array field.");
- goto end;
- }
-
- init_field((void *) array_field, ft, &array_field_methods);
-
- if (init_array_field_fields(array_field)) {
- BT_LIB_LOGE("Cannot create dynamic array fields: "
- "%![ft-]+F", ft);
- BT_PUT(array_field);
- goto end;
- }
-
- BT_LIB_LOGD("Created dynamic array field object: %!+f", array_field);
-
-end:
- return (void *) array_field;
-}
-
-int64_t bt_field_signed_integer_get_value(struct bt_field *field)
-{
- struct bt_field_integer *int_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_SET(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_SIGNED_INT(field, "Field");
- return int_field->value.i;
-}
-
-void bt_field_signed_integer_set_value(struct bt_field *field, int64_t value)
-{
- struct bt_field_integer *int_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_SIGNED_INT(field, "Field");
- BT_ASSERT_PRE_FIELD_HOT(field, "Field");
- BT_ASSERT_PRE(bt_util_value_is_in_range_signed(
- ((struct bt_field_type_integer *) field->type)->range, value),
- "Value is out of bounds: value=%" PRId64 ", %![field-]+f, "
- "%![ft-]+F", value, field, field->type);
- int_field->value.i = value;
- bt_field_set_single(field, true);
-}
-
-uint64_t bt_field_unsigned_integer_get_value(struct bt_field *field)
-{
- struct bt_field_integer *int_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_SET(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_UNSIGNED_INT(field, "Field");
- return int_field->value.u;
-}
-
-void bt_field_unsigned_integer_set_value(struct bt_field *field,
- uint64_t value)
-{
- struct bt_field_integer *int_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_UNSIGNED_INT(field, "Field");
- BT_ASSERT_PRE_FIELD_HOT(field, "Field");
- BT_ASSERT_PRE(bt_util_value_is_in_range_unsigned(
- ((struct bt_field_type_integer *) field->type)->range, value),
- "Value is out of bounds: value=%" PRIu64 ", %![field-]+f, "
- "%![ft-]+F", value, field, field->type);
- int_field->value.u = value;
- bt_field_set_single(field, true);
-}
-
-double bt_field_real_get_value(struct bt_field *field)
-{
- struct bt_field_real *real_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_SET(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_REAL, "Field");
- return real_field->value;
-}
-
-void bt_field_real_set_value(struct bt_field *field, double value)
-{
- struct bt_field_real *real_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_REAL, "Field");
- BT_ASSERT_PRE_FIELD_HOT(field, "Field");
- BT_ASSERT_PRE(
- !((struct bt_field_type_real *) field->type)->is_single_precision ||
- (double) (float) value == value,
- "Invalid value for a single-precision real number: value=%f, "
- "%![ft-]+F", value, field->type);
- real_field->value = value;
- bt_field_set_single(field, true);
-}
-
-int bt_field_unsigned_enumeration_get_mapping_labels(struct bt_field *field,
- bt_field_type_enumeration_mapping_label_array *label_array,
- uint64_t *count)
-{
- struct bt_field_integer *int_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_NON_NULL(label_array, "Label array (output)");
- BT_ASSERT_PRE_NON_NULL(label_array, "Count (output)");
- BT_ASSERT_PRE_FIELD_IS_SET(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_UNSIGNED_ENUMERATION, "Field");
- return bt_field_type_unsigned_enumeration_get_mapping_labels_by_value(
- field->type, int_field->value.u, label_array, count);
-}
-
-int bt_field_signed_enumeration_get_mapping_labels(struct bt_field *field,
- bt_field_type_enumeration_mapping_label_array *label_array,
- uint64_t *count)
-{
- struct bt_field_integer *int_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_NON_NULL(label_array, "Label array (output)");
- BT_ASSERT_PRE_NON_NULL(label_array, "Count (output)");
- BT_ASSERT_PRE_FIELD_IS_SET(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_SIGNED_ENUMERATION, "Field");
- return bt_field_type_signed_enumeration_get_mapping_labels_by_value(
- field->type, int_field->value.i, label_array, count);
-}
-
-const char *bt_field_string_get_value(struct bt_field *field)
-{
- struct bt_field_string *string_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_SET(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_STRING,
- "Field");
- return (const char *) string_field->buf->data;
-}
-
-uint64_t bt_field_string_get_length(struct bt_field *field)
-{
- struct bt_field_string *string_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_SET(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_STRING,
- "Field");
- return string_field->length;
-}
-
-int bt_field_string_set_value(struct bt_field *field, const char *value)
-{
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_NON_NULL(value, "Value");
- BT_ASSERT_PRE_FIELD_HOT(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field, BT_FIELD_TYPE_ID_STRING,
- "Field");
- bt_field_string_clear(field);
- return bt_field_string_append_with_length(field, value,
- (uint64_t) strlen(value));
-}
-
-int bt_field_string_append(struct bt_field *field, const char *value)
-{
- return bt_field_string_append_with_length(field, value,
- (uint64_t) strlen(value));
-}
-
-int bt_field_string_append_with_length(struct bt_field *field,
- const char *value, uint64_t length)
-{
- struct bt_field_string *string_field = (void *) field;
- char *data;
- uint64_t new_length;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_NON_NULL(value, "Value");
- BT_ASSERT_PRE_FIELD_HOT(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_STRING, "Field");
-
- /* Make sure no null bytes are appended */
- BT_ASSERT_PRE(memchr(value, '\0', length) == NULL,
- "String value to append contains a null character: "
- "partial-value=\"%.32s\", length=%" PRIu64, value, length);
-
- new_length = length + string_field->length;
-
- if (unlikely(new_length + 1 > string_field->buf->len)) {
- g_array_set_size(string_field->buf, new_length + 1);
- }
-
- data = string_field->buf->data;
- memcpy(data + string_field->length, value, length);
- ((char *) string_field->buf->data)[new_length] = '\0';
- string_field->length = new_length;
- bt_field_set_single(field, true);
- return 0;
-}
-
-int bt_field_string_clear(struct bt_field *field)
-{
- struct bt_field_string *string_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_HOT(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_STRING, "Field");
- string_field->length = 0;
- bt_field_set_single(field, true);
- return 0;
-}
-
-uint64_t bt_field_array_get_length(struct bt_field *field)
-{
- struct bt_field_array *array_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_ARRAY(field, "Field");
- return array_field->length;
-}
-
-int bt_field_dynamic_array_set_length(struct bt_field *field,
- uint64_t length)
-{
- int ret = 0;
- struct bt_field_array *array_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_DYNAMIC_ARRAY, "Field");
- BT_ASSERT_PRE_FIELD_HOT(field, "Field");
-
- if (unlikely(length > array_field->fields->len)) {
- /* Make more room */
- struct bt_field_type_array *array_ft;
- uint64_t cur_len = array_field->fields->len;
- uint64_t i;
-
- g_ptr_array_set_size(array_field->fields, length);
- array_ft = (void *) field->type;
-
- for (i = cur_len; i < array_field->fields->len; i++) {
- struct bt_field *elem_field = bt_field_create(
- array_ft->element_ft);
-
- if (!elem_field) {
- BT_LIB_LOGE("Cannot create element field for "
- "dynamic array field: "
- "index=%" PRIu64 ", "
- "%![array-field-]+f", i, field);
- ret = -1;
- goto end;
- }
-
- BT_ASSERT(!array_field->fields->pdata[i]);
- array_field->fields->pdata[i] = elem_field;
- }
- }
-
- array_field->length = length;
-
-end:
- return ret;
-}
-
-struct bt_field *bt_field_array_borrow_element_field_by_index(
- struct bt_field *field, uint64_t index)
-{
- struct bt_field_array *array_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_IS_ARRAY(field, "Field");
- BT_ASSERT_PRE_VALID_INDEX(index, array_field->length);
- return array_field->fields->pdata[index];
-}
-
-struct bt_field *bt_field_structure_borrow_member_field_by_index(
- struct bt_field *field, uint64_t index)
-{
- struct bt_field_structure *struct_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_STRUCTURE, "Field");
- BT_ASSERT_PRE_VALID_INDEX(index, struct_field->fields->len);
- return struct_field->fields->pdata[index];
-}
-
-struct bt_field *bt_field_structure_borrow_member_field_by_name(
- struct bt_field *field, const char *name)
-{
- struct bt_field *ret_field = NULL;
- struct bt_field_type_structure *struct_ft;
- struct bt_field_structure *struct_field = (void *) field;
- gpointer orig_key;
- gpointer index;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_NON_NULL(name, "Field name");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_STRUCTURE, "Field");
- struct_ft = (void *) field->type;
-
- if (!g_hash_table_lookup_extended(struct_ft->common.name_to_index, name,
- &orig_key, &index)) {
- goto end;
- }
-
- ret_field = struct_field->fields->pdata[GPOINTER_TO_UINT(index)];
- BT_ASSERT(ret_field);
-
-end:
- return ret_field;
-}
-
-struct bt_field *bt_field_variant_borrow_selected_option_field(
- struct bt_field *field)
-{
- struct bt_field_variant *var_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_VARIANT, "Field");
- BT_ASSERT_PRE(var_field->selected_field,
- "Variant field has no selected field: %!+f", field);
- return var_field->selected_field;
-}
-
-int bt_field_variant_select_option_field(struct bt_field *field,
- uint64_t index)
-{
- struct bt_field_variant *var_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_VARIANT, "Field");
- BT_ASSERT_PRE_FIELD_HOT(field, "Field");
- BT_ASSERT_PRE_VALID_INDEX(index, var_field->fields->len);
- var_field->selected_field = var_field->fields->pdata[index];
- var_field->selected_index = index;
- return 0;
-}
-
-uint64_t bt_field_variant_get_selected_option_field_index(
- struct bt_field *field)
-{
- struct bt_field_variant *var_field = (void *) field;
-
- BT_ASSERT_PRE_NON_NULL(field, "Field");
- BT_ASSERT_PRE_FIELD_HAS_TYPE_ID(field,
- BT_FIELD_TYPE_ID_VARIANT, "Field");
- BT_ASSERT_PRE(var_field->selected_field,
- "Variant field has no selected field: %!+f", field);
- return var_field->selected_index;
-}
-
-static inline
-void bt_field_finalize(struct bt_field *field)
-{
- BT_ASSERT(field);
- BT_LOGD_STR("Putting field's type.");
- bt_put(field->type);
-}
-
-static
-void destroy_integer_field(struct bt_field *field)
-{
- BT_ASSERT(field);
- BT_LIB_LOGD("Destroying integer field object: %!+f", field);
- bt_field_finalize(field);
- g_free(field);
-}
-
-static
-void destroy_real_field(struct bt_field *field)
-{
- BT_ASSERT(field);
- BT_LIB_LOGD("Destroying real field object: %!+f", field);
- bt_field_finalize(field);
- g_free(field);
-}
-
-static
-void destroy_structure_field(struct bt_field *field)
-{
- struct bt_field_structure *struct_field = (void *) field;
-
- BT_ASSERT(field);
- BT_LIB_LOGD("Destroying structure field object: %!+f", field);
- bt_field_finalize(field);
-
- if (struct_field->fields) {
- g_ptr_array_free(struct_field->fields, TRUE);
- }
-
- g_free(field);
-}
-
-static
-void destroy_variant_field(struct bt_field *field)
-{
- struct bt_field_variant *var_field = (void *) field;
-
- BT_ASSERT(field);
- BT_LIB_LOGD("Destroying variant field object: %!+f", field);
- bt_field_finalize(field);
-
- if (var_field->fields) {
- g_ptr_array_free(var_field->fields, TRUE);
- }
-
- g_free(field);
-}
-
-static
-void destroy_array_field(struct bt_field *field)
-{
- struct bt_field_array *array_field = (void *) field;
-
- BT_ASSERT(field);
- BT_LIB_LOGD("Destroying array field object: %!+f", field);
- bt_field_finalize(field);
-
- if (array_field->fields) {
- g_ptr_array_free(array_field->fields, TRUE);
- }
-
- g_free(field);
-}
-
-static
-void destroy_string_field(struct bt_field *field)
-{
- struct bt_field_string *string_field = (void *) field;
-
- BT_ASSERT(field);
- BT_LIB_LOGD("Destroying string field object: %!+f", field);
- bt_field_finalize(field);
-
- if (string_field->buf) {
- g_array_free(string_field->buf, TRUE);
- }
-
- g_free(field);
-}
-
-BT_HIDDEN
-void bt_field_destroy(struct bt_field *field)
-{
- BT_ASSERT(field);
- BT_ASSERT(bt_field_type_has_known_id(field->type));
- field_destroy_funcs[field->type->id](field);
-}
-
-static
-void reset_single_field(struct bt_field *field)
-{
- BT_ASSERT(field);
- field->is_set = false;
-}
-
-static
-void reset_structure_field(struct bt_field *field)
-{
- uint64_t i;
- struct bt_field_structure *struct_field = (void *) field;
-
- BT_ASSERT(field);
-
- for (i = 0; i < struct_field->fields->len; i++) {
- bt_field_reset(struct_field->fields->pdata[i]);
- }
-}
-
-static
-void reset_variant_field(struct bt_field *field)
-{
- uint64_t i;
- struct bt_field_variant *var_field = (void *) field;
-
- BT_ASSERT(field);
-
- for (i = 0; i < var_field->fields->len; i++) {
- bt_field_reset(var_field->fields->pdata[i]);
- }
-}
-
-static
-void reset_array_field(struct bt_field *field)
-{
- uint64_t i;
- struct bt_field_array *array_field = (void *) field;
-
- BT_ASSERT(field);
-
- for (i = 0; i < array_field->fields->len; i++) {
- bt_field_reset(array_field->fields->pdata[i]);
- }
-}
-
-static
-void set_single_field_is_frozen(struct bt_field *field, bool is_frozen)
-{
- field->frozen = is_frozen;
-}
-
-static
-void set_structure_field_is_frozen(struct bt_field *field, bool is_frozen)
-{
- uint64_t i;
- struct bt_field_structure *struct_field = (void *) field;
-
- BT_LIB_LOGD("Setting structure field's frozen state: "
- "%![field-]+f, is-frozen=%d", field, is_frozen);
-
- for (i = 0; i < struct_field->fields->len; i++) {
- struct bt_field *member_field = struct_field->fields->pdata[i];
-
- BT_LIB_LOGD("Setting structure field's member field's "
- "frozen state: %![field-]+f, index=%" PRIu64,
- member_field, i);
- bt_field_set_is_frozen(member_field, is_frozen);
- }
-
- set_single_field_is_frozen(field, is_frozen);
-}
-
-static
-void set_variant_field_is_frozen(struct bt_field *field, bool is_frozen)
-{
- uint64_t i;
- struct bt_field_variant *var_field = (void *) field;
-
- BT_LIB_LOGD("Setting variant field's frozen state: "
- "%![field-]+f, is-frozen=%d", field, is_frozen);
-
- for (i = 0; i < var_field->fields->len; i++) {
- struct bt_field *option_field = var_field->fields->pdata[i];
-
- BT_LIB_LOGD("Setting variant field's option field's "
- "frozen state: %![field-]+f, index=%" PRIu64,
- option_field, i);
- bt_field_set_is_frozen(option_field, is_frozen);
- }
-
- set_single_field_is_frozen(field, is_frozen);
-}
-
-static
-void set_array_field_is_frozen(struct bt_field *field, bool is_frozen)
-{
- uint64_t i;
- struct bt_field_array *array_field = (void *) field;
-
- BT_LIB_LOGD("Setting array field's frozen state: "
- "%![field-]+f, is-frozen=%d", field, is_frozen);
-
- for (i = 0; i < array_field->fields->len; i++) {
- struct bt_field *elem_field = array_field->fields->pdata[i];
-
- BT_LIB_LOGD("Setting array field's element field's "
- "frozen state: %![field-]+f, index=%" PRIu64,
- elem_field, i);
- bt_field_set_is_frozen(elem_field, is_frozen);
- }
-
- set_single_field_is_frozen(field, is_frozen);
-}
-
-BT_HIDDEN
-void _bt_field_set_is_frozen(struct bt_field *field,
- bool is_frozen)
-{
- BT_ASSERT(field);
- BT_LIB_LOGD("Setting field object's frozen state: %!+f, is-frozen=%d",
- field, is_frozen);
- BT_ASSERT(field->methods->set_is_frozen);
- field->methods->set_is_frozen(field, is_frozen);
-}
-
-static
-bool single_field_is_set(struct bt_field *field)
-{
- BT_ASSERT(field);
- return field->is_set;
-}
-
-static
-bool structure_field_is_set(struct bt_field *field)
-{
- bool is_set = true;
- uint64_t i;
- struct bt_field_structure *struct_field = (void *) field;
-
- BT_ASSERT(field);
-
- for (i = 0; i < struct_field->fields->len; i++) {
- is_set = bt_field_is_set(struct_field->fields->pdata[i]);
- if (!is_set) {
- goto end;
- }
- }
-
-end:
- return is_set;
-}
-
-static
-bool variant_field_is_set(struct bt_field *field)
-{
- struct bt_field_variant *var_field = (void *) field;
- bool is_set = false;
-
- BT_ASSERT(field);
-
- if (var_field->selected_field) {
- is_set = bt_field_is_set(var_field->selected_field);
- }
-
- return is_set;
-}
-
-static
-bool array_field_is_set(struct bt_field *field)
-{
- bool is_set = true;
- uint64_t i;
- struct bt_field_array *array_field = (void *) field;
-
- BT_ASSERT(field);
-
- for (i = 0; i < array_field->length; i++) {
- is_set = bt_field_is_set(array_field->fields->pdata[i]);
- if (!is_set) {
- goto end;
- }
- }
-
-end:
- return is_set;
-}
projects / babeltrace.git / blobdiff