- if (encoding != BT_STRING_ENCODING_UTF8 &&
- encoding != BT_STRING_ENCODING_ASCII &&
- encoding != BT_STRING_ENCODING_NONE) {
- BT_LOGW("Invalid parameter: unknown string encoding: "
- "addr=%p, encoding=%d", ft, encoding);
- ret = -1;
- goto end;
- }
-
- int_ft->encoding = encoding;
- BT_LOGV("Set integer field type's encoding: addr=%p, encoding=%s",
- ft, bt_common_string_encoding_string(encoding));
-
-end:
- return ret;
-}
-
-struct bt_clock_class *bt_field_type_integer_borrow_mapped_clock_class(
- struct bt_field_type *ft)
-{
- struct bt_field_type_integer *int_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_INTEGER,
- "Field type");
- return int_ft->mapped_clock_class;
-}
-
-static
-int bt_field_type_integer_set_mapped_clock_class_no_check_frozen(
- struct bt_field_type *ft,
- struct bt_clock_class *clock_class)
-{
- struct bt_field_type_integer *int_ft = (void *) ft;
- int ret = 0;
-
- if (!clock_class) {
- BT_LOGW_STR("Invalid parameter: clock class is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_INTEGER) {
- BT_LOGW("Invalid parameter: field type is not an integer field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- goto end;
- }
-
- if (!bt_clock_class_is_valid(clock_class)) {
- BT_LOGW("Invalid parameter: clock class is invalid: ft-addr=%p"
- "clock-class-addr=%p, clock-class-name=\"%s\"",
- ft, clock_class,
- bt_clock_class_get_name(clock_class));
- ret = -1;
- goto end;
- }
-
- bt_put(int_ft->mapped_clock_class);
- int_ft->mapped_clock_class = bt_get(clock_class);
- BT_LOGV("Set integer field type's mapped clock class: ft-addr=%p, "
- "clock-class-addr=%p, clock-class-name=\"%s\"",
- ft, clock_class, bt_clock_class_get_name(clock_class));
-
-end:
- return ret;
-}
-
-int bt_field_type_integer_set_mapped_clock_class(struct bt_field_type *ft,
- struct bt_clock_class *clock_class)
-{
- int ret = 0;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->frozen) {
- BT_LOGW("Invalid parameter: field type is frozen: addr=%p",
- ft);
- ret = -1;
- goto end;
- }
-
- ret = bt_field_type_integer_set_mapped_clock_class_no_check_frozen(
- ft, clock_class);
-
-end:
- return ret;
-}
-
-static
-void bt_field_type_enum_iter_destroy(struct bt_object *obj)
-{
- struct bt_field_type_enumeration_mapping_iterator *iter =
- container_of(obj,
- struct bt_field_type_enumeration_mapping_iterator,
- base);
-
- BT_LOGD("Destroying enumeration field type mapping iterator: addr=%p",
- obj);
- BT_LOGD_STR("Putting parent enumeration field type.");
- bt_put(iter->enumeration_ft);
- g_free(iter);
-}
-
-static
-struct bt_field_type_enumeration_mapping_iterator *
-bt_field_type_enumeration_find_mappings_type(
- struct bt_field_type *ft,
- enum bt_field_type_enumeration_mapping_iterator_type iterator_type)
-{
- struct bt_field_type_enumeration_mapping_iterator *iter = NULL;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_ENUM,
- "Field type");
- iter = g_new0(struct bt_field_type_enumeration_mapping_iterator, 1);
- if (!iter) {
- BT_LOGE_STR("Failed to allocate one enumeration field type mapping.");
- goto end;
- }
-
- bt_object_init_shared(&iter->base, bt_field_type_enum_iter_destroy);
- iter->enumeration_ft = bt_get(ft);
- iter->index = -1;
- iter->type = iterator_type;
-
-end:
- return iter;
-}
-
-struct bt_field_type_enumeration_mapping_iterator *
-bt_field_type_enumeration_find_mappings_by_name(
- struct bt_field_type *ft, const char *name)
-{
- struct bt_field_type_enumeration_mapping_iterator *iter;
-
- iter = bt_field_type_enumeration_find_mappings_type(
- ft, ITERATOR_BY_NAME);
- if (!iter) {
- BT_LOGW("Cannot create enumeration field type mapping iterator: "
- "ft-addr=%p, mapping-name=\"%s\"", ft, name);
- goto error;
- }
-
- iter->u.name_quark = g_quark_try_string(name);
- if (!iter->u.name_quark) {
- /*
- * No results are possible, set the iterator's position at the
- * end.
- */
- iter->index = iter->enumeration_ft->entries->len;
- }
-
- return iter;
-
-error:
- bt_put(iter);
- return NULL;
-}
-
-int bt_field_type_enumeration_mapping_iterator_next(
- struct bt_field_type_enumeration_mapping_iterator *iter)
-{
- struct bt_field_type_enumeration *enum_ft = iter->enumeration_ft;
- int i, ret = 0, len;
-
- BT_ASSERT_PRE_NON_NULL(iter, "Enumeration field type mapping iterator");
- len = enum_ft->entries->len;
- for (i = iter->index + 1; i < len; i++) {
- struct enumeration_mapping *mapping =
- bt_field_type_enumeration_get_mapping_by_index(
- (void *) enum_ft, i);
-
- switch (iter->type) {
- case ITERATOR_BY_NAME:
- if (mapping->string == iter->u.name_quark) {
- iter->index = i;
- goto end;
- }
- break;
- case ITERATOR_BY_SIGNED_VALUE:
- {
- int64_t value = iter->u.signed_value;
-
- if (value >= mapping->range_start._signed &&
- value <= mapping->range_end._signed) {
- iter->index = i;
- goto end;
- }
- break;
- }
- case ITERATOR_BY_UNSIGNED_VALUE:
- {
- uint64_t value = iter->u.unsigned_value;
-
- if (value >= mapping->range_start._unsigned &&
- value <= mapping->range_end._unsigned) {
- iter->index = i;
- goto end;
- }
- break;
- }
- default:
- BT_LOGF("Invalid enumeration field type mapping iterator type: "
- "type=%d", iter->type);
- abort();
- }
- }
-
- ret = -1;
-
-end:
- return ret;
-}
-
-struct bt_field_type_enumeration_mapping_iterator *
-bt_field_type_enumeration_signed_find_mappings_by_value(
- struct bt_field_type *ft, int64_t value)
-{
- struct bt_field_type_enumeration_mapping_iterator *iter;
-
- iter = bt_field_type_enumeration_find_mappings_type(
- ft, ITERATOR_BY_SIGNED_VALUE);
- if (!iter) {
- BT_LOGW("Cannot create enumeration field type mapping iterator: "
- "ft-addr=%p, value=%" PRId64, ft, value);
- goto error;
- }
-
- if (bt_field_type_integer_is_signed(
- (void *) iter->enumeration_ft->container_ft) != 1) {
- BT_LOGW("Invalid parameter: enumeration field type is unsigned: "
- "enum-ft-addr=%p, int-ft-addr=%p",
- ft, iter->enumeration_ft->container_ft);
- goto error;
- }
-
- iter->u.signed_value = value;
- return iter;
-
-error:
- bt_put(iter);
- return NULL;
-}
-
-struct bt_field_type_enumeration_mapping_iterator *
-bt_field_type_enumeration_unsigned_find_mappings_by_value(
- struct bt_field_type *ft, uint64_t value)
-{
- struct bt_field_type_enumeration_mapping_iterator *iter;
-
- iter = bt_field_type_enumeration_find_mappings_type(
- ft, ITERATOR_BY_UNSIGNED_VALUE);
- if (!iter) {
- BT_LOGW("Cannot create enumeration field type mapping iterator: "
- "ft-addr=%p, value=%" PRIu64, ft, value);
- goto error;
- }
-
- if (bt_field_type_integer_is_signed(
- (void *) iter->enumeration_ft->container_ft) != 0) {
- BT_LOGW("Invalid parameter: enumeration field type is signed: "
- "enum-ft-addr=%p, int-ft-addr=%p",
- ft, iter->enumeration_ft->container_ft);
- goto error;
- }
-
- iter->u.unsigned_value = value;
- return iter;
-
-error:
- bt_put(iter);
- return NULL;
-}
-
-int bt_field_type_enumeration_mapping_iterator_signed_get(
- struct bt_field_type_enumeration_mapping_iterator *iter,
- const char **mapping_name, int64_t *range_begin,
- int64_t *range_end)
-{
- BT_ASSERT_PRE_NON_NULL(iter, "Enumeration field type mapping iterator");
- BT_ASSERT_PRE(iter->index != -1,
- "Invalid enumeration field type mapping iterator access: "
- "addr=%p, position=-1", iter);
- return bt_field_type_enumeration_signed_get_mapping_by_index(
- (void *) iter->enumeration_ft, iter->index,
- mapping_name, range_begin, range_end);
-}
-
-int bt_field_type_enumeration_mapping_iterator_unsigned_get(
- struct bt_field_type_enumeration_mapping_iterator *iter,
- const char **mapping_name, uint64_t *range_begin,
- uint64_t *range_end)
-{
- BT_ASSERT_PRE_NON_NULL(iter, "Enumeration field type mapping iterator");
- BT_ASSERT_PRE(iter->index != -1,
- "Invalid enumeration field type mapping iterator access: "
- "addr=%p, position=-1", iter);
- return bt_field_type_enumeration_unsigned_get_mapping_by_index(
- (void *) iter->enumeration_ft, iter->index,
- mapping_name, range_begin, range_end);
-}
-
-int bt_field_type_enumeration_signed_get_mapping_by_index(
- struct bt_field_type *ft, uint64_t index,
- const char **mapping_name, int64_t *range_begin,
- int64_t *range_end)
-{
- int ret = 0;
- struct enumeration_mapping *mapping;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft,
- BT_FIELD_TYPE_ID_ENUM, "Field type");
- mapping = bt_field_type_enumeration_get_mapping_by_index(ft,
- index);
- if (!mapping) {
- /* bt_field_type_enumeration_get_mapping_by_index() logs errors */
- ret = -1;
- goto end;
- }
-
- if (mapping_name) {
- *mapping_name = g_quark_to_string(mapping->string);
- BT_ASSERT(*mapping_name);
- }
-
- if (range_begin) {
- *range_begin = mapping->range_start._signed;
- }
-
- if (range_end) {
- *range_end = mapping->range_end._signed;
- }
-
-end:
- return ret;
-}
-
-int bt_field_type_enumeration_unsigned_get_mapping_by_index(
- struct bt_field_type *ft, uint64_t index,
- const char **mapping_name, uint64_t *range_begin,
- uint64_t *range_end)
-{
- int ret = 0;
- struct enumeration_mapping *mapping;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_ENUM, "Field type");
- mapping = bt_field_type_enumeration_get_mapping_by_index(
- ft, index);
- if (!mapping) {
- /* bt_field_type_enumeration_get_mapping_by_index() reports any error */
- ret = -1;
- goto end;
- }
-
- if (mapping_name) {
- *mapping_name = g_quark_to_string(mapping->string);
- BT_ASSERT(*mapping_name);
- }
-
- if (range_begin) {
- *range_begin = mapping->range_start._unsigned;
- }
-
- if (range_end) {
- *range_end = mapping->range_end._unsigned;
- }
-
-end:
- return ret;
-}
-
-struct bt_field_type *bt_field_type_enumeration_create(
- struct bt_field_type *container_ft)
-{
- struct bt_field_type_enumeration *enumeration = NULL;
- struct bt_field_type *int_ft = (void *) container_ft;
-
- BT_LOGD("Creating enumeration field type object: int-ft-addr=%p",
- container_ft);
-
- if (!container_ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- goto error;
- }
-
- if (int_ft->id != BT_FIELD_TYPE_ID_INTEGER) {
- BT_LOGW("Invalid parameter: container field type is not an integer field type: "
- "container-ft-addr=%p, container-ft-id=%s",
- container_ft, bt_common_field_type_id_string(int_ft->id));
- goto error;
- }
-
- enumeration = g_new0(struct bt_field_type_enumeration, 1);
- if (!enumeration) {
- BT_LOGE_STR("Failed to allocate one enumeration field type.");
- goto error;
- }
-
- bt_field_type_enumeration_initialize((void *) enumeration,
- int_ft, bt_field_type_enumeration_destroy_recursive,
- &bt_field_type_enumeration_methods);
- BT_LOGD("Created enumeration field type object: addr=%p, "
- "int-ft-addr=%p, int-ft-size=%u",
- enumeration, container_ft,
- bt_field_type_integer_get_size(container_ft));
- goto end;
-
-error:
- BT_PUT(enumeration);
-
-end:
- return (void *) enumeration;
-}
-
-struct bt_field_type *bt_field_type_enumeration_borrow_container_field_type(
- struct bt_field_type *ft)
-{
- struct bt_field_type_enumeration *enum_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_ENUM, "Field type");
- return (void *) enum_ft->container_ft;
-}
-
-int bt_field_type_enumeration_signed_add_mapping(
- struct bt_field_type *ft, const char *string,
- int64_t range_start, int64_t range_end)
-{
- int ret = 0;
- GQuark mapping_name;
- struct enumeration_mapping *mapping;
- struct bt_field_type_enumeration *enum_ft = (void *) ft;
- char *escaped_string;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (!string) {
- BT_LOGW_STR("Invalid parameter: string is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->frozen) {
- BT_LOGW("Invalid parameter: field type is frozen: addr=%p",
- ft);
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_ENUM) {
- BT_LOGW("Invalid parameter: field type is not an enumeration field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- if (range_end < range_start) {
- BT_LOGW("Invalid parameter: range's end is lesser than range's start: "
- "addr=%p, range-start=%" PRId64 ", range-end=%" PRId64,
- ft, range_start, range_end);
- ret = -1;
- goto end;
- }
-
- if (strlen(string) == 0) {
- BT_LOGW("Invalid parameter: mapping name is an empty string: "
- "enum-ft-addr=%p, mapping-name-addr=%p", ft,
- string);
- ret = -1;
- goto end;
- }
-
- escaped_string = g_strescape(string, NULL);
- if (!escaped_string) {
- BT_LOGE("Cannot escape mapping name: enum-ft-addr=%p, "
- "mapping-name-addr=%p, mapping-name=\"%s\"",
- ft, string, string);
- ret = -1;
- goto end;
- }
-
- mapping = g_new(struct enumeration_mapping, 1);
- if (!mapping) {
- BT_LOGE_STR("Failed to allocate one enumeration mapping.");
- ret = -1;
- goto error_free;
- }
- mapping_name = g_quark_from_string(escaped_string);
- *mapping = (struct enumeration_mapping) {
- .range_start._signed = range_start,
- .range_end._signed = range_end,
- .string = mapping_name,
- };
- g_ptr_array_add(enum_ft->entries, mapping);
- g_ptr_array_sort(enum_ft->entries,
- (GCompareFunc) compare_enumeration_mappings_signed);
- BT_LOGV("Added mapping to signed enumeration field type: addr=%p, "
- "name=\"%s\", range-start=%" PRId64 ", "
- "range-end=%" PRId64,
- ft, string, range_start, range_end);
-
-error_free:
- free(escaped_string);
-
-end:
- return ret;
-}
-
-int bt_field_type_enumeration_unsigned_add_mapping(
- struct bt_field_type *ft, const char *string,
- uint64_t range_start, uint64_t range_end)
-{
- int ret = 0;
- GQuark mapping_name;
- struct enumeration_mapping *mapping;
- struct bt_field_type_enumeration *enum_ft = (void *) ft;
- char *escaped_string;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (!string) {
- BT_LOGW_STR("Invalid parameter: string is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->frozen) {
- BT_LOGW("Invalid parameter: field type is frozen: addr=%p",
- ft);
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_ENUM) {
- BT_LOGW("Invalid parameter: field type is not an enumeration field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- if (range_end < range_start) {
- BT_LOGW("Invalid parameter: range's end is lesser than range's start: "
- "addr=%p, range-start=%" PRIu64 ", range-end=%" PRIu64,
- ft, range_start, range_end);
- ret = -1;
- goto end;
- }
-
- if (strlen(string) == 0) {
- BT_LOGW("Invalid parameter: mapping name is an empty string: "
- "enum-ft-addr=%p, mapping-name-addr=%p", ft,
- string);
- ret = -1;
- goto end;
- }
-
- escaped_string = g_strescape(string, NULL);
- if (!escaped_string) {
- BT_LOGE("Cannot escape mapping name: enum-ft-addr=%p, "
- "mapping-name-addr=%p, mapping-name=\"%s\"",
- ft, string, string);
- ret = -1;
- goto end;
- }
-
- mapping = g_new(struct enumeration_mapping, 1);
- if (!mapping) {
- BT_LOGE_STR("Failed to allocate one enumeration mapping.");
- ret = -1;
- goto error_free;
- }
- mapping_name = g_quark_from_string(escaped_string);
- *mapping = (struct enumeration_mapping) {
- .range_start._unsigned = range_start,
- .range_end._unsigned = range_end,
- .string = mapping_name,
- };
- g_ptr_array_add(enum_ft->entries, mapping);
- g_ptr_array_sort(enum_ft->entries,
- (GCompareFunc) compare_enumeration_mappings_unsigned);
- BT_LOGV("Added mapping to unsigned enumeration field type: addr=%p, "
- "name=\"%s\", range-start=%" PRIu64 ", "
- "range-end=%" PRIu64,
- ft, string, range_start, range_end);
-
-error_free:
- free(escaped_string);
-
-end:
- return ret;
-}
-
-int64_t bt_field_type_enumeration_get_mapping_count(
- struct bt_field_type *ft)
-{
- struct bt_field_type_enumeration *enum_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_ENUM, "Field type");
- return (int64_t) enum_ft->entries->len;
-}
-
-struct bt_field_type *bt_field_type_floating_point_create(void)
-{
- struct bt_field_type_floating_point *floating_point =
- g_new0(struct bt_field_type_floating_point, 1);
-
- BT_LOGD_STR("Creating floating point number field type object.");
-
- if (!floating_point) {
- BT_LOGE_STR("Failed to allocate one floating point number field type.");
- goto end;
- }
-
- bt_field_type_floating_point_initialize(
- (void *) floating_point,
- bt_field_type_floating_point_destroy,
- &bt_field_type_floating_point_methods);
- BT_LOGD("Created floating point number field type object: addr=%p, "
- "exp-size=%u, mant-size=%u", floating_point,
- floating_point->exp_dig, floating_point->mant_dig);
-
-end:
- return (void *) floating_point;
-}
-
-int bt_field_type_floating_point_get_exponent_digits(
- struct bt_field_type *ft)
-{
- struct bt_field_type_floating_point *flt_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_FLOAT,
- "Field type");
- return (int) flt_ft->exp_dig;
-}
-
-int bt_field_type_floating_point_set_exponent_digits(
- struct bt_field_type *ft, unsigned int exponent_digits)
-{
- int ret = 0;
- struct bt_field_type_floating_point *flt_ft = (void *) ft;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->frozen) {
- BT_LOGW("Invalid parameter: field type is frozen: addr=%p",
- ft);
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_FLOAT) {
- BT_LOGW("Invalid parameter: field type is not a floating point number field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) &&
- (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) &&
- (exponent_digits !=
- sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) {
- BT_LOGW("Invalid parameter: invalid exponent size: "
- "addr=%p, exp-size=%u", ft, exponent_digits);
- ret = -1;
- goto end;
- }
-
- flt_ft->exp_dig = exponent_digits;
- BT_LOGV("Set floating point number field type's exponent size: addr=%p, "
- "exp-size=%u", ft, exponent_digits);
-
-end:
- return ret;
-}
-
-int bt_field_type_floating_point_get_mantissa_digits(
- struct bt_field_type *ft)
-{
- struct bt_field_type_floating_point *flt_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_FLOAT,
- "Field type");
- return (int) flt_ft->mant_dig;
-}
-
-int bt_field_type_floating_point_set_mantissa_digits(
- struct bt_field_type *ft, unsigned int mantissa_digits)
-{
- int ret = 0;
- struct bt_field_type_floating_point *flt_ft = (void *) ft;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->frozen) {
- BT_LOGW("Invalid parameter: field type is frozen: addr=%p",
- ft);
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_FLOAT) {
- BT_LOGW("Invalid parameter: field type is not a floating point number field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- if ((mantissa_digits != FLT_MANT_DIG) &&
- (mantissa_digits != DBL_MANT_DIG) &&
- (mantissa_digits != LDBL_MANT_DIG)) {
- BT_LOGW("Invalid parameter: invalid mantissa size: "
- "addr=%p, mant-size=%u", ft, mantissa_digits);
- ret = -1;
- goto end;
- }
-
- flt_ft->mant_dig = mantissa_digits;
- BT_LOGV("Set floating point number field type's mantissa size: addr=%p, "
- "mant-size=%u", ft, mantissa_digits);
-
-end:
- return ret;
-}
-
-struct bt_field_type *bt_field_type_structure_create(void)
-{
- struct bt_field_type_structure *structure =
- g_new0(struct bt_field_type_structure, 1);
-
- BT_LOGD_STR("Creating structure field type object.");
-
- if (!structure) {
- BT_LOGE_STR("Failed to allocate one structure field type.");
- goto error;
- }
-
- bt_field_type_structure_initialize((void *) structure,
- bt_field_type_structure_destroy_recursive,
- &bt_field_type_structure_methods);
- BT_LOGD("Created structure field type object: addr=%p",
- structure);
- goto end;
-
-error:
- BT_PUT(structure);
-
-end:
- return (void *) structure;
-}
-
-int bt_field_type_structure_add_field(struct bt_field_type *ft,
- struct bt_field_type *field_type,
- const char *field_name)
-{
- int ret = 0;
- struct bt_field_type_structure *struct_ft = (void *) ft;
-
- /*
- * TODO: check that `field_type` does not contain `type`,
- * recursively.
- */
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (!field_name) {
- BT_LOGW_STR("Invalid parameter: field name is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->frozen) {
- BT_LOGW("Invalid parameter: field type is frozen: addr=%p",
- ft);
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_STRUCT) {
- BT_LOGW("Invalid parameter: field type is not a structure field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- if (ft == field_type) {
- BT_LOGW("Invalid parameter: structure field type and field type to add are the same: "
- "addr=%p", ft);
- ret = -1;
- goto end;
- }
-
- if (add_structure_variant_member(struct_ft->fields,
- struct_ft->field_name_to_index, field_type, field_name,
- false)) {
- BT_LOGW("Cannot add field to structure field type: "
- "struct-ft-addr=%p, field-ft-addr=%p, field-name=\"%s\"",
- ft, field_type, field_name);
- ret = -1;
- goto end;
- }
-
- BT_LOGV("Added structure field type field: struct-ft-addr=%p, "
- "field-ft-addr=%p, field-name=\"%s\"", ft,
- field_type, field_name);
-
-end:
- return ret;
-}
-
-int64_t bt_field_type_structure_get_field_count(struct bt_field_type *ft)
-{
- struct bt_field_type_structure *struct_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_STRUCT,
- "Field type");
- return (int64_t) struct_ft->fields->len;
-}
-
-int bt_field_type_structure_borrow_field_by_index(
- struct bt_field_type *ft,
- const char **field_name,
- struct bt_field_type **field_type, uint64_t index)
-{
- struct bt_field_type_structure *struct_ft = (void *) ft;
- struct bt_field_type_structure_field *field;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_STRUCT,
- "Field type");
- BT_ASSERT_PRE(index < struct_ft->fields->len,
- "Index is out of bounds: index=%" PRIu64 ", "
- "count=%u, %![ft-]+F",
- index, struct_ft->fields->len, ft);
- field = BT_FIELD_TYPE_STRUCTURE_FIELD_AT_INDEX(struct_ft, index);
-
- if (field_type) {
- *field_type = field->type;
- }
-
- if (field_name) {
- *field_name = g_quark_to_string(field->name);
- BT_ASSERT(*field_name);
- }
-
- return 0;
-}
-
-struct bt_field_type *bt_field_type_structure_borrow_field_type_by_name(
- struct bt_field_type *ft, const char *name)
-{
- size_t index;
- GQuark name_quark;
- struct bt_field_type_structure_field *field;
- struct bt_field_type_structure *struct_ft = (void *) ft;
- struct bt_field_type *field_type = NULL;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_NON_NULL(name, "Name");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_STRUCT,
- "Field type");
- name_quark = g_quark_try_string(name);
- if (!name_quark) {
- BT_LOGV("No such structure field type field name: "
- "ft-addr=%p, field-name=\"%s\"",
- ft, name);
- goto end;
- }
-
- if (!g_hash_table_lookup_extended(struct_ft->field_name_to_index,
- GUINT_TO_POINTER(name_quark), NULL, (gpointer *) &index)) {
- BT_LOGV("No such structure field type field name: "
- "ft-addr=%p, field-name=\"%s\"",
- ft, name);
- goto end;
- }
-
- field = BT_FIELD_TYPE_STRUCTURE_FIELD_AT_INDEX(ft, index);
- field_type = field->type;
-
-end:
- return field_type;
-}
-
-struct bt_field_type *bt_field_type_variant_create(
- struct bt_field_type *tag_ft, const char *tag_name)
-{
- struct bt_field_type_variant *var_ft = NULL;
-
- BT_LOGD("Creating variant field type object: "
- "tag-ft-addr=%p, tag-field-name=\"%s\"",
- tag_ft, tag_name);
-
- if (tag_name && !bt_identifier_is_valid(tag_name)) {
- BT_LOGW("Invalid parameter: tag field name is not a valid CTF identifier: "
- "tag-ft-addr=%p, tag-field-name=\"%s\"",
- tag_ft, tag_name);
- goto error;
- }
-
- var_ft = g_new0(struct bt_field_type_variant, 1);
- if (!var_ft) {
- BT_LOGE_STR("Failed to allocate one variant field type.");
- goto error;
- }
-
- bt_field_type_variant_initialize((void *) var_ft,
- (void *) tag_ft, tag_name,
- bt_field_type_variant_destroy_recursive,
- &bt_field_type_variant_methods);
- BT_LOGD("Created variant field type object: addr=%p, "
- "tag-ft-addr=%p, tag-field-name=\"%s\"",
- var_ft, tag_ft, tag_name);
- goto end;
-
-error:
- BT_PUT(var_ft);
-
-end:
- return (void *) var_ft;
-}
-
-struct bt_field_type *bt_field_type_variant_borrow_tag_field_type(
- struct bt_field_type *ft)
-{
- struct bt_field_type_variant *var_ft = (void *) ft;
- struct bt_field_type *tag_ft = NULL;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_VARIANT,
- "Field type");
-
- if (!var_ft->tag_ft) {
- BT_LOGV("Variant field type has no tag field type: "
- "addr=%p", ft);
- goto end;
- }
-
- tag_ft = (void *) var_ft->tag_ft;
-
-end:
- return tag_ft;
-}
-
-const char *bt_field_type_variant_get_tag_name(struct bt_field_type *ft)
-{
- struct bt_field_type_variant *var_ft = (void *) ft;
- const char *tag_name = NULL;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_VARIANT,
- "Field type");
-
- if (var_ft->tag_name->len == 0) {
- BT_LOGV("Variant field type has no tag field name: "
- "addr=%p", ft);
- goto end;
- }
-
- tag_name = var_ft->tag_name->str;
-
-end:
- return tag_name;
-}
-
-int bt_field_type_variant_set_tag_name(
- struct bt_field_type *ft, const char *name)
-{
- int ret = 0;
- struct bt_field_type_variant *var_ft = (void *) ft;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->frozen) {
- BT_LOGW("Invalid parameter: field type is frozen: addr=%p",
- ft);
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_VARIANT) {
- BT_LOGW("Invalid parameter: field type is not a variant field type: "
- "addr=%p, ft-id=%s", ft, bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- if (!bt_identifier_is_valid(name)) {
- BT_LOGW("Invalid parameter: tag field name is not a valid CTF identifier: "
- "variant-ft-addr=%p, tag-field-name=\"%s\"",
- ft, name);
- ret = -1;
- goto end;
- }
-
- g_string_assign(var_ft->tag_name, name);
- BT_LOGV("Set variant field type's tag field name: addr=%p, "
- "tag-field-name=\"%s\"", ft, name);
-
-end:
- return ret;
-}
-
-int bt_field_type_variant_add_field(struct bt_field_type *ft,
- struct bt_field_type *field_type,
- const char *field_name)
-{
- size_t i;
- int ret = 0;
- struct bt_field_type_variant *var_ft = (void *) ft;
- GQuark field_name_quark = g_quark_from_string(field_name);
-
- /*
- * TODO: check that `field_type` does not contain `type`,
- * recursively.
- */
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->frozen) {
- BT_LOGW("Invalid parameter: field type is frozen: addr=%p",
- ft);
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_VARIANT) {
- BT_LOGW("Invalid parameter: field type is not a variant field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- if (ft == field_type) {
- BT_LOGW("Invalid parameter: variant field type and field type to add are the same: "
- "addr=%p", ft);
- ret = -1;
- goto end;
- }
-
- /* The user has explicitly provided a tag; validate against it. */
- if (var_ft->tag_ft) {
- int name_found = 0;
-
- /* Make sure this name is present in the enum tag */
- for (i = 0; i < var_ft->tag_ft->entries->len; i++) {
- struct enumeration_mapping *mapping =
- g_ptr_array_index(var_ft->tag_ft->entries, i);
-
- if (mapping->string == field_name_quark) {
- name_found = 1;
- break;
- }
- }
-
- if (!name_found) {
- /* Validation failed */
- BT_LOGW("Invalid parameter: field name does not name a tag field type's mapping: "
- "variant-ft-addr=%p, tag-ft-addr=%p, "
- "tag-field-name=\"%s\""
- "field-ft-addr=%p, field-name=\"%s\"",
- ft, var_ft->tag_ft, var_ft->tag_name->str,
- field_type, field_name);
- ret = -1;
- goto end;
- }
- }
-
- if (add_structure_variant_member(var_ft->choices,
- var_ft->choice_name_to_index, field_type,
- field_name, true)) {
- BT_LOGW("Cannot add field to variant field type: "
- "variant-ft-addr=%p, field-ft-addr=%p, field-name=\"%s\"",
- ft, field_type, field_name);
- ret = -1;
- goto end;
- }
-
- BT_LOGV("Added variant field type field: variant-ft-addr=%p, "
- "field-ft-addr=%p, field-name=\"%s\"", ft,
- field_type, field_name);
-
-end:
- return ret;
-}
-
-struct bt_field_type *bt_field_type_variant_borrow_field_type_by_name(
- struct bt_field_type *ft,
- const char *field_name)
-{
- size_t index;
- GQuark name_quark;
- struct bt_field_type_variant_choice *choice;
- struct bt_field_type_variant *var_ft = (void *) ft;
- struct bt_field_type *field_type = NULL;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_NON_NULL(field_name, "Name");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_VARIANT,
- "Field type");
- name_quark = g_quark_try_string(field_name);
- if (!name_quark) {
- BT_LOGV("No such variant field type field name: "
- "ft-addr=%p, field-name=\"%s\"",
- ft, field_name);
- goto end;
- }
-
- if (!g_hash_table_lookup_extended(var_ft->choice_name_to_index,
- GUINT_TO_POINTER(name_quark), NULL, (gpointer *) &index)) {
- BT_LOGV("No such variant field type field name: "
- "ft-addr=%p, field-name=\"%s\"",
- ft, field_name);
- goto end;
- }
-
- choice = BT_FIELD_TYPE_VARIANT_CHOICE_AT_INDEX(ft, index);
- field_type = choice->type;
-
-end:
- return field_type;
-}
-
-int64_t bt_field_type_variant_get_field_count(struct bt_field_type *ft)
-{
- struct bt_field_type_variant *var_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Variant field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_VARIANT,
- "Field type");
- return (int64_t) var_ft->choices->len;
-}
-
-int bt_field_type_variant_borrow_field_by_index(struct bt_field_type *ft,
- const char **field_name, struct bt_field_type **field_type,
- uint64_t index)
-{
- struct bt_field_type_variant *var_ft = (void *) ft;
- struct bt_field_type_variant_choice *choice;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_VARIANT,
- "Field type");
- BT_ASSERT_PRE(index < var_ft->choices->len,
- "Index is out of bounds: index=%" PRIu64 ", "
- "count=%u, %![ft-]+F",
- index, var_ft->choices->len, ft);
- choice = BT_FIELD_TYPE_VARIANT_CHOICE_AT_INDEX(ft, index);
-
- if (field_type) {
- *field_type = choice->type;
- }
-
- if (field_name) {
- *field_name = g_quark_to_string(choice->name);
- BT_ASSERT(*field_name);
- }
-
- return 0;
-}
-
-BT_HIDDEN
-int64_t bt_field_type_variant_find_choice_index(
- struct bt_field_type *ft, uint64_t uval,
- bool is_signed)
-{
- int64_t ret;
- uint64_t i;
- struct bt_field_type_variant *var_ft = (void *) ft;
-
- BT_ASSERT(ft);
- BT_ASSERT(ft->id == BT_FIELD_TYPE_ID_VARIANT);
-
- if (bt_field_type_variant_update_choices(ft)) {
- ret = INT64_C(-1);
- goto end;
- }
-
- for (i = 0; i < var_ft->choices->len; i++) {
- uint64_t range_i;
- struct bt_field_type_variant_choice *choice =
- BT_FIELD_TYPE_VARIANT_CHOICE_AT_INDEX(
- var_ft, i);
-
- for (range_i = 0; range_i < choice->ranges->len; range_i++) {
- struct bt_field_type_variant_choice_range *range =
- &g_array_index(
- choice->ranges,
- struct bt_field_type_variant_choice_range,
- range_i);
-
- if (is_signed) {
- int64_t tag_ival = (int64_t) uval;
-
- if (tag_ival >= range->lower.i &&
- tag_ival <= range->upper.i) {
- goto found;
- }
- } else {
- if (uval >= range->lower.u &&
- uval <= range->upper.u) {
- goto found;
- }
- }
- }
- }
-
- /* Range not found */
- ret = INT64_C(-1);
- goto end;
-
-found:
- ret = (int64_t) i;
-
-end:
- return ret;
-}
-
-struct bt_field_type *bt_field_type_array_create(
- struct bt_field_type *element_ft, unsigned int length)
-{
- struct bt_field_type_array *array = NULL;
-
- BT_LOGD("Creating array field type object: element-ft-addr=%p, "
- "length=%u", element_ft, length);
-
- if (!element_ft) {
- BT_LOGW_STR("Invalid parameter: element field type is NULL.");
- goto error;
- }
-
- if (length == 0) {
- BT_LOGW_STR("Invalid parameter: length is zero.");
- goto error;
- }
-
- array = g_new0(struct bt_field_type_array, 1);
- if (!array) {
- BT_LOGE_STR("Failed to allocate one array field type.");
- goto error;
- }
-
- bt_field_type_array_initialize((void *) array,
- (void *) element_ft, length,
- bt_field_type_array_destroy_recursive,
- &bt_field_type_array_methods);
- BT_LOGD("Created array field type object: addr=%p, "
- "element-ft-addr=%p, length=%u",
- array, element_ft, length);
- goto end;
-
-error:
- BT_PUT(array);
-
-end:
- return (void *) array;
-}
-
-struct bt_field_type *bt_field_type_array_borrow_element_field_type(
- struct bt_field_type *ft)
-{
- struct bt_field_type_array *array_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_ARRAY,
- "Field type");
- BT_ASSERT(array_ft && array_ft->element_ft);
- return array_ft->element_ft;
-}
-
-int64_t bt_field_type_array_get_length(struct bt_field_type *ft)
-{
- struct bt_field_type_array *array_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_ARRAY,
- "Field type");
- return (int64_t) array_ft->length;
-}
-
-struct bt_field_type *bt_field_type_sequence_create(
- struct bt_field_type *element_ft,
- const char *length_field_name)
-{
- struct bt_field_type_sequence *sequence = NULL;
-
- BT_LOGD("Creating sequence field type object: element-ft-addr=%p, "
- "length-field-name=\"%s\"", element_ft, length_field_name);
-
- if (!element_ft) {
- BT_LOGW_STR("Invalid parameter: element field type is NULL.");
- goto error;
- }
-
- if (!bt_identifier_is_valid(length_field_name)) {
- BT_LOGW("Invalid parameter: length field name is not a valid CTF identifier: "
- "length-field-name=\"%s\"", length_field_name);
- goto error;
- }
-
- sequence = g_new0(struct bt_field_type_sequence, 1);
- if (!sequence) {
- BT_LOGE_STR("Failed to allocate one sequence field type.");
- goto error;
- }
-
- bt_field_type_sequence_initialize((void *) sequence,
- (void *) element_ft, length_field_name,
- bt_field_type_sequence_destroy_recursive,
- &bt_field_type_sequence_methods);
- BT_LOGD("Created sequence field type object: addr=%p, "
- "element-ft-addr=%p, length-field-name=\"%s\"",
- sequence, element_ft, length_field_name);
- goto end;
-
-error:
- BT_PUT(sequence);
-
-end:
- return (void *) sequence;
-}
-
-struct bt_field_type *bt_field_type_sequence_borrow_element_field_type(
- struct bt_field_type *ft)
-{
- struct bt_field_type_sequence *seq_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_SEQUENCE,
- "Field type");
- return seq_ft->element_ft;
-}
-
-const char *bt_field_type_sequence_get_length_field_name(
- struct bt_field_type *ft)
-{
- struct bt_field_type_sequence *seq_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_SEQUENCE,
- "Field type");
- return seq_ft->length_field_name ?
- seq_ft->length_field_name->str : NULL;
-}
-
-struct bt_field_type *bt_field_type_string_create(void)
-{
- struct bt_field_type_string *string =
- g_new0(struct bt_field_type_string, 1);
-
- BT_LOGD_STR("Creating string field type object.");
-
- if (!string) {
- BT_LOGE_STR("Failed to allocate one string field type.");
- return NULL;
- }
-
- bt_field_type_string_initialize((void *) string,
- bt_field_type_string_destroy,
- &bt_field_type_string_methods);
- BT_LOGD("Created string field type object: addr=%p", string);
- return (void *) string;
-}
-
-enum bt_string_encoding bt_field_type_string_get_encoding(
- struct bt_field_type *ft)
-{
- struct bt_field_type_string *string_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_STRING,
- "Field type");
- return string_ft->encoding;
-}
-
-int bt_field_type_string_set_encoding(struct bt_field_type *ft,
- enum bt_string_encoding encoding)
-{
- int ret = 0;
- struct bt_field_type_string *string_ft = (void *) ft;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_STRING) {
- BT_LOGW("Invalid parameter: field type is not a string field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- if (encoding != BT_STRING_ENCODING_UTF8 &&
- encoding != BT_STRING_ENCODING_ASCII) {
- BT_LOGW("Invalid parameter: unknown string encoding: "
- "addr=%p, encoding=%d", ft, encoding);
- ret = -1;
- goto end;
- }
-
- string_ft->encoding = encoding;
- BT_LOGV("Set string field type's encoding: addr=%p, encoding=%s",
- ft, bt_common_string_encoding_string(encoding));
-
-end:
- return ret;
-}
-
-int bt_field_type_get_alignment(struct bt_field_type *ft)
-{
- int ret;
- enum bt_field_type_id type_id;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
-
- if (ft->frozen) {
- ret = (int) ft->alignment;
- goto end;
- }
-
- type_id = bt_field_type_get_type_id(ft);
- switch (type_id) {
- case BT_FIELD_TYPE_ID_SEQUENCE:
- {
- struct bt_field_type *element_ft =
- bt_field_type_sequence_borrow_element_field_type(ft);
-
- BT_ASSERT(element_ft);
- ret = bt_field_type_get_alignment(element_ft);
- break;
- }
- case BT_FIELD_TYPE_ID_ARRAY:
- {
- struct bt_field_type *element_ft =
- bt_field_type_array_borrow_element_field_type(ft);
-
- BT_ASSERT(element_ft);
- ret = bt_field_type_get_alignment(element_ft);
- break;
- }
- case BT_FIELD_TYPE_ID_STRUCT:
- {
- int64_t i, element_count;
-
- element_count = bt_field_type_structure_get_field_count(
- ft);
- BT_ASSERT(element_count >= 0);
-
- for (i = 0; i < element_count; i++) {
- struct bt_field_type *field = NULL;
- int field_alignment;
-
- ret = bt_field_type_structure_borrow_field_by_index(
- ft, NULL, &field, i);
- BT_ASSERT(ret == 0);
- BT_ASSERT(field);
- field_alignment = bt_field_type_get_alignment(
- field);
- if (field_alignment < 0) {
- ret = field_alignment;
- goto end;
- }
-
- ft->alignment = MAX(field_alignment, ft->alignment);
- }
- ret = (int) ft->alignment;
- break;
- }
- case BT_FIELD_TYPE_ID_UNKNOWN:
- BT_LOGW("Invalid parameter: unknown field type ID: "
- "addr=%p, ft-id=%d", ft, type_id);
- ret = -1;
- break;
- default:
- ret = (int) ft->alignment;
- break;
- }
-
-end:
- return ret;
-}
-
-static inline
-int is_power_of_two(unsigned int value)
-{
- return ((value & (value - 1)) == 0) && value > 0;
-}
-
-int bt_field_type_set_alignment(struct bt_field_type *ft,
- unsigned int alignment)
-{
- int ret = 0;
- enum bt_field_type_id type_id;
-
- /* Alignment must be a power of two */
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->frozen) {
- BT_LOGW("Invalid parameter: field type is frozen: addr=%p",
- ft);
- ret = -1;
- goto end;
- }
-
- if (!is_power_of_two(alignment)) {
- BT_LOGW("Invalid parameter: alignment is not a power of two: "
- "addr=%p, align=%u", ft, alignment);
- ret = -1;
- goto end;
- }
-
- type_id = bt_field_type_get_type_id(ft);
- if (type_id == BT_FIELD_TYPE_ID_UNKNOWN) {
- BT_LOGW("Invalid parameter: unknown field type ID: "
- "addr=%p, ft-id=%d", ft, type_id);
- ret = -1;
- goto end;
- }
-
- if (ft->id == BT_FIELD_TYPE_ID_STRING && alignment != CHAR_BIT) {
- BT_LOGW("Invalid parameter: alignment must be %u for a string field type: "
- "addr=%p, align=%u", CHAR_BIT, ft, alignment);
- ret = -1;
- goto end;
- }
-
- if (type_id == BT_FIELD_TYPE_ID_VARIANT ||
- type_id == BT_FIELD_TYPE_ID_SEQUENCE ||
- type_id == BT_FIELD_TYPE_ID_ARRAY) {
- /* Setting an alignment on these types makes no sense */
- BT_LOGW("Invalid parameter: cannot set the alignment of this field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- ft->alignment = alignment;
- ret = 0;
- BT_LOGV("Set field type's alignment: addr=%p, align=%u",
- ft, alignment);
-
-end:
- return ret;
-}
-
-enum bt_byte_order bt_field_type_get_byte_order(struct bt_field_type *ft)
-{
- enum bt_byte_order ret = BT_BYTE_ORDER_UNKNOWN;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
-
- switch (ft->id) {
- case BT_FIELD_TYPE_ID_INTEGER:
- {
- struct bt_field_type_integer *integer = (void *) ft;
-
- ret = integer->user_byte_order;
- break;
- }
- case BT_FIELD_TYPE_ID_ENUM:
- {
- struct bt_field_type_enumeration *enum_ft = (void *) ft;
-
- ret = bt_field_type_get_byte_order(
- (void *) enum_ft->container_ft);
- break;
- }
- case BT_FIELD_TYPE_ID_FLOAT:
- {
- struct bt_field_type_floating_point *floating_point = (void *) ft;
- ret = floating_point->user_byte_order;
- break;
- }
- default:
- BT_LOGW("Invalid parameter: cannot get the byte order of this field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- goto end;
- }
-
- BT_ASSERT(ret == BT_BYTE_ORDER_NATIVE ||
- ret == BT_BYTE_ORDER_LITTLE_ENDIAN ||
- ret == BT_BYTE_ORDER_BIG_ENDIAN ||
- ret == BT_BYTE_ORDER_NETWORK);
-
-end:
- return ret;
-}
-
-int bt_field_type_set_byte_order(struct bt_field_type *ft,
- enum bt_byte_order byte_order)
-{
- int ret = 0;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->frozen) {
- BT_LOGW("Invalid parameter: field type is frozen: addr=%p",
- ft);
- ret = -1;
- goto end;
- }
-
- if (byte_order != BT_BYTE_ORDER_NATIVE &&
- byte_order != BT_BYTE_ORDER_LITTLE_ENDIAN &&
- byte_order != BT_BYTE_ORDER_BIG_ENDIAN &&
- byte_order != BT_BYTE_ORDER_NETWORK) {
- BT_LOGW("Invalid parameter: invalid byte order: "
- "addr=%p, bo=%s", ft,
- bt_common_byte_order_string(byte_order));
- ret = -1;
- goto end;
- }
-
- if (ft->methods->set_byte_order) {
- ft->methods->set_byte_order(ft, byte_order);
- }
-
- BT_LOGV("Set field type's byte order: addr=%p, bo=%s",
- ft, bt_common_byte_order_string(byte_order));
-
-end:
- return ret;
-}
-
-enum bt_field_type_id bt_field_type_get_type_id(struct bt_field_type *ft)
-{
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- return ft->id;
-}
-
-BT_HIDDEN
-void bt_field_type_freeze(struct bt_field_type *ft)
-{
- if (!ft || ft->frozen) {
- return;
- }
-
- BT_ASSERT(ft->methods->freeze);
- ft->methods->freeze(ft);
-}
-
-struct bt_field_type *bt_field_type_copy(struct bt_field_type *ft)
-{
- struct bt_field_type *ft_copy = NULL;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT(ft->methods->copy);
- ft_copy = ft->methods->copy(ft);
- if (!ft_copy) {
- BT_LOGE_STR("Cannot copy field type.");
- goto end;
- }
-
- ft_copy->alignment = ft->alignment;
-
-end:
- return ft_copy;
-}
-
-static inline
-int bt_field_type_structure_get_field_name_index(
- struct bt_field_type *ft, const char *name)
-{
- int ret;
- size_t index;
- GQuark name_quark;
- struct bt_field_type_structure *struct_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_NON_NULL(name, "Name");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_STRUCT,
- "Field type");
-
- name_quark = g_quark_try_string(name);
- if (!name_quark) {
- BT_LOGV("No such structure field type field name: "
- "ft-addr=%p, field-name=\"%s\"",
- ft, name);
- ret = -1;
- goto end;
- }
-
- if (!g_hash_table_lookup_extended(struct_ft->field_name_to_index,
- GUINT_TO_POINTER(name_quark),
- NULL, (gpointer *) &index)) {
- BT_LOGV("No such structure field type field name: "
- "ft-addr=%p, field-name=\"%s\"",
- ft, name);
- ret = -1;
- goto end;
- }
-
- ret = (int) index;
-
-end:
- return ret;
-}
-
-static inline
-int bt_field_type_variant_get_field_name_index(
- struct bt_field_type *ft, const char *name)
-{
- int ret;
- size_t index;
- GQuark name_quark;
- struct bt_field_type_variant *var_ft = (void *) ft;
-
- BT_ASSERT_PRE_NON_NULL(ft, "Field type");
- BT_ASSERT_PRE_NON_NULL(name, "Name");
- BT_ASSERT_PRE_FT_HAS_ID(ft, BT_FIELD_TYPE_ID_VARIANT,
- "Field type");
- name_quark = g_quark_try_string(name);
- if (!name_quark) {
- BT_LOGV("No such variant field type field name: "
- "ft-addr=%p, field-name=\"%s\"",
- ft, name);
- ret = -1;
- goto end;
- }
-
- if (!g_hash_table_lookup_extended(var_ft->choice_name_to_index,
- GUINT_TO_POINTER(name_quark),
- NULL, (gpointer *) &index)) {
- BT_LOGV("No such variant field type field name: "
- "ft-addr=%p, field-name=\"%s\"",
- ft, name);
- ret = -1;
- goto end;
- }
-
- ret = (int) index;
-
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_field_type_sequence_set_length_field_path(
- struct bt_field_type *ft, struct bt_field_path *path)
-{
- int ret = 0;
- struct bt_field_type_sequence *seq_ft = (void *) ft;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_SEQUENCE) {
- BT_LOGW("Invalid parameter: field type is not a sequence field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- bt_get(path);
- BT_MOVE(seq_ft->length_field_path, path);
- BT_LOGV("Set sequence field type's length field path: ft-addr=%p, "
- "field-path-addr=%p", ft, path);
-
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_field_type_variant_set_tag_field_path(
- struct bt_field_type *ft,
- struct bt_field_path *path)
-{
- int ret = 0;
- struct bt_field_type_variant *var_ft = (void *) ft;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft->id != BT_FIELD_TYPE_ID_VARIANT) {
- BT_LOGW("Invalid parameter: field type is not a variant field type: "
- "addr=%p, ft-id=%s", ft,
- bt_common_field_type_id_string(ft->id));
- ret = -1;
- goto end;
- }
-
- bt_get(path);
- BT_MOVE(var_ft->tag_field_path, path);
- BT_LOGV("Set variant field type's tag field path: ft-addr=%p, "
- "field-path-addr=%p", ft, path);
-
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_field_type_variant_set_tag_field_type(
- struct bt_field_type *ft,
- struct bt_field_type *tag_ft)
-{
- int ret = 0;
- struct bt_field_type_variant *var_ft = (void *) ft;
-
- if (!ft) {
- BT_LOGW_STR("Invalid parameter: variant field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (!tag_ft) {
- BT_LOGW_STR("Invalid parameter: tag field type is NULL.");
- ret = -1;
- goto end;
- }
-
- if (tag_ft->id != BT_FIELD_TYPE_ID_ENUM) {
- BT_LOGW("Invalid parameter: tag field type is not an enumeration field type: "
- "addr=%p, ft-id=%s", tag_ft,
- bt_common_field_type_id_string(tag_ft->id));
- ret = -1;
- goto end;
- }
-
- bt_put(var_ft->tag_ft);
- var_ft->tag_ft = bt_get(tag_ft);
- BT_LOGV("Set variant field type's tag field type: variant-ft-addr=%p, "
- "tag-ft-addr=%p", ft, tag_ft);
-
-end:
- return ret;
-}
-
-static
-void bt_field_type_generic_freeze(struct bt_field_type *ft)
-{
- ft->frozen = 1;
-}
-
-static
-void bt_field_type_enumeration_freeze_recursive(
- struct bt_field_type *ft)
-{
- struct bt_field_type_enumeration *enum_ft = (void *) ft;
-
- BT_LOGD("Freezing enumeration field type object: addr=%p", ft);
- bt_field_type_enumeration_set_range_overlap(enum_ft);
- bt_field_type_generic_freeze(ft);
- BT_LOGD("Freezing enumeration field type object's container field type: int-ft-addr=%p",
- enum_ft->container_ft);
- bt_field_type_freeze((void *) enum_ft->container_ft);
-}
-
-static
-void bt_field_type_structure_freeze_recursive(
- struct bt_field_type *ft)
-{
- struct bt_field_type_structure *struct_ft = (void *) ft;
- uint64_t i;
-
- /* Cache the alignment */
- BT_LOGD("Freezing structure field type object: addr=%p", ft);
- ft->alignment = bt_field_type_get_alignment(ft);
- bt_field_type_generic_freeze(ft);
-
- for (i = 0; i < struct_ft->fields->len; i++) {
- struct bt_field_type_structure_field *field =
- BT_FIELD_TYPE_STRUCTURE_FIELD_AT_INDEX(ft, i);
-
- BT_LOGD("Freezing structure field type field: "
- "ft-addr=%p, name=\"%s\"",
- field->type, g_quark_to_string(field->name));
- bt_field_type_freeze(field->type);
- }
-}
-
-BT_HIDDEN
-int bt_field_type_variant_update_choices(struct bt_field_type *ft)
-{
- struct bt_field_type_variant *var_ft = (void *) ft;
- uint64_t i;
- int ret = 0;
- bool is_signed;
-
- if (ft->frozen && var_ft->choices_up_to_date) {
- goto end;
- }
-
- BT_ASSERT(var_ft->tag_ft);
- is_signed = !!var_ft->tag_ft->container_ft->is_signed;
-
- for (i = 0; i < var_ft->choices->len; i++) {
- struct bt_field_type_variant_choice *choice =
- BT_FIELD_TYPE_VARIANT_CHOICE_AT_INDEX(ft, i);
- const char *choice_name = g_quark_to_string(choice->name);
- struct bt_field_type_enumeration_mapping_iterator *iter =
- bt_field_type_enumeration_find_mappings_by_name(
- (void *) var_ft->tag_ft, choice_name);
-
- if (!iter) {
- ret = -1;
- goto end;
- }
-
- BT_ASSERT(choice->ranges);
- g_array_set_size(choice->ranges, 0);
-
- while (bt_field_type_enumeration_mapping_iterator_next(iter) == 0) {
- struct bt_field_type_variant_choice_range range;
-
- if (is_signed) {
- ret = bt_field_type_enumeration_mapping_iterator_signed_get(
- iter, NULL,
- &range.lower.i, &range.upper.i);
- } else {
- ret = bt_field_type_enumeration_mapping_iterator_unsigned_get(
- iter, NULL,
- &range.lower.u, &range.upper.u);
- }
-
- BT_ASSERT(ret == 0);
- g_array_append_val(choice->ranges, range);
- }
-
- bt_put(iter);
- }
-
- var_ft->choices_up_to_date = true;
-
-end:
- return ret;
-}
-
-static
-void bt_field_type_variant_freeze_recursive(
- struct bt_field_type *ft)
-{
- struct bt_field_type_variant *var_ft = (void *) ft;
- uint64_t i;
-
- BT_LOGD("Freezing variant field type object: addr=%p", ft);
- bt_field_type_generic_freeze(ft);
-
- for (i = 0; i < var_ft->choices->len; i++) {
- struct bt_field_type_variant_choice *choice =
- BT_FIELD_TYPE_VARIANT_CHOICE_AT_INDEX(ft, i);
-
- BT_LOGD("Freezing variant field type member: "
- "ft-addr=%p, name=\"%s\"",
- choice->type, g_quark_to_string(choice->name));
- bt_field_type_freeze(choice->type);
- }
-}
-
-static
-void bt_field_type_array_freeze_recursive(
- struct bt_field_type *ft)
-{
- struct bt_field_type_array *array_ft = (void *) ft;
-
- /* Cache the alignment */
- BT_LOGD("Freezing array field type object: addr=%p", ft);
- ft->alignment = bt_field_type_get_alignment(ft);
- bt_field_type_generic_freeze(ft);
- BT_LOGD("Freezing array field type object's element field type: element-ft-addr=%p",
- array_ft->element_ft);
- bt_field_type_freeze(array_ft->element_ft);
-}
-
-static
-void bt_field_type_sequence_freeze_recursive(
- struct bt_field_type *ft)
-{
- struct bt_field_type_sequence *seq_ft = (void *) ft;
-
- /* Cache the alignment */
- BT_LOGD("Freezing sequence field type object: addr=%p", ft);
- ft->alignment = bt_field_type_get_alignment(ft);
- bt_field_type_generic_freeze(ft);
- BT_LOGD("Freezing sequence field type object's element field type: element-ft-addr=%p",
- seq_ft->element_ft);
- bt_field_type_freeze(seq_ft->element_ft);
-}
-
-static
-void bt_field_type_integer_set_byte_order(
- struct bt_field_type *ft, enum bt_byte_order byte_order)
-{
- struct bt_field_type_integer *int_ft = (void *) ft;
-
- int_ft->user_byte_order = byte_order;
-}
-
-static
-void bt_field_type_enumeration_set_byte_order_recursive(
- struct bt_field_type *ft, enum bt_byte_order byte_order)
-{
- struct bt_field_type_enumeration *enum_ft = (void *) ft;
-
- bt_field_type_set_byte_order((void *) enum_ft->container_ft,
- byte_order);
-}
-
-static
-void bt_field_type_floating_point_set_byte_order(
- struct bt_field_type *ft, enum bt_byte_order byte_order)
-{
- struct bt_field_type_floating_point *flt_ft = (void *) ft;
-
- flt_ft->user_byte_order = byte_order;
-}
-
-static
-void bt_field_type_structure_set_byte_order_recursive(
- struct bt_field_type *ft,
- enum bt_byte_order byte_order)
-{
- int i;
- struct bt_field_type_structure *struct_ft = (void *) ft;
-
- for (i = 0; i < struct_ft->fields->len; i++) {
- struct bt_field_type_structure_field *field =
- BT_FIELD_TYPE_STRUCTURE_FIELD_AT_INDEX(
- struct_ft, i);
- struct bt_field_type *field_type = field->type;
-
- bt_field_type_set_byte_order(field_type, byte_order);
- }
-}
-
-static
-void bt_field_type_variant_set_byte_order_recursive(
- struct bt_field_type *ft,
- enum bt_byte_order byte_order)
-{
- int i;
- struct bt_field_type_variant *var_ft = (void *) ft;
-
- for (i = 0; i < var_ft->choices->len; i++) {
- struct bt_field_type_variant_choice *choice =
- BT_FIELD_TYPE_VARIANT_CHOICE_AT_INDEX(
- var_ft, i);
- struct bt_field_type *field_type = choice->type;
-
- bt_field_type_set_byte_order(field_type, byte_order);
- }
-}
-
-static
-void bt_field_type_array_set_byte_order_recursive(
- struct bt_field_type *ft,
- enum bt_byte_order byte_order)
-{
- struct bt_field_type_array *array_ft = (void *) ft;
-
- bt_field_type_set_byte_order(array_ft->element_ft, byte_order);
-}
-
-static
-void bt_field_type_sequence_set_byte_order_recursive(
- struct bt_field_type *ft,
- enum bt_byte_order byte_order)
-{
- struct bt_field_type_sequence *seq_ft = (void *) ft;
-
- bt_field_type_set_byte_order(seq_ft->element_ft, byte_order);
-}
-
-
-static
-int bt_field_type_integer_compare(struct bt_field_type *ft_a,
- struct bt_field_type *ft_b)
-{
- int ret = 1;
- struct bt_field_type_integer *int_ft_a = (void *) ft_a;
- struct bt_field_type_integer *int_ft_b = (void *) ft_b;
-
- /* Length */
- if (int_ft_a->size != int_ft_b->size) {
- BT_LOGV("Integer field types differ: different sizes: "
- "ft-a-size=%u, ft-b-size=%u",
- int_ft_a->size, int_ft_b->size);
- goto end;
- }
-
- /* Byte order */
- if (int_ft_a->user_byte_order != int_ft_b->user_byte_order) {
- BT_LOGV("Integer field types differ: different byte orders: "
- "ft-a-bo=%s, ft-b-bo=%s",
- bt_common_byte_order_string(int_ft_a->user_byte_order),
- bt_common_byte_order_string(int_ft_b->user_byte_order));
- goto end;
- }
-
- /* Signedness */
- if (int_ft_a->is_signed != int_ft_b->is_signed) {
- BT_LOGV("Integer field types differ: different signedness: "
- "ft-a-is-signed=%d, ft-b-is-signed=%d",
- int_ft_a->is_signed,
- int_ft_b->is_signed);
- goto end;
- }
-
- /* Base */
- if (int_ft_a->base != int_ft_b->base) {
- BT_LOGV("Integer field types differ: different bases: "
- "ft-a-base=%s, ft-b-base=%s",
- bt_common_integer_base_string(int_ft_a->base),
- bt_common_integer_base_string(int_ft_b->base));
- goto end;
- }
-
- /* Encoding */
- if (int_ft_a->encoding != int_ft_b->encoding) {
- BT_LOGV("Integer field types differ: different encodings: "
- "ft-a-encoding=%s, ft-b-encoding=%s",
- bt_common_string_encoding_string(int_ft_a->encoding),
- bt_common_string_encoding_string(int_ft_b->encoding));
- goto end;
- }
-
- /* Mapped clock class */
- if (int_ft_a->mapped_clock_class) {
- if (!int_ft_b->mapped_clock_class) {
- BT_LOGV_STR("Integer field types differ: field type A "
- "has a mapped clock class, but field type B "
- "does not.");
- goto end;
- }
-
- if (bt_clock_class_compare(int_ft_a->mapped_clock_class,
- int_ft_b->mapped_clock_class) != 0) {
- BT_LOGV_STR("Integer field types differ: different "
- "mapped clock classes.");
- }
- } else {
- if (int_ft_b->mapped_clock_class) {
- BT_LOGV_STR("Integer field types differ: field type A "
- "has no description, but field type B has one.");
- goto end;
- }
- }
-
- /* Equal */
- ret = 0;
-
-end:
- return ret;
-}
-
-static
-int bt_field_type_floating_point_compare(
- struct bt_field_type *ft_a,
- struct bt_field_type *ft_b)
-{
- int ret = 1;
- struct bt_field_type_floating_point *flt_ft_a = (void *) ft_a;
- struct bt_field_type_floating_point *flt_ft_b = (void *) ft_b;
-
- /* Byte order */
- if (flt_ft_a->user_byte_order != flt_ft_b->user_byte_order) {
- BT_LOGV("Floating point number field types differ: different byte orders: "
- "ft-a-bo=%s, ft-b-bo=%s",
- bt_common_byte_order_string(flt_ft_a->user_byte_order),
- bt_common_byte_order_string(flt_ft_b->user_byte_order));
- goto end;
- }
-
- /* Exponent length */
- if (flt_ft_a->exp_dig != flt_ft_b->exp_dig) {
- BT_LOGV("Floating point number field types differ: different exponent sizes: "
- "ft-a-exp-size=%u, ft-b-exp-size=%u",
- flt_ft_a->exp_dig, flt_ft_b->exp_dig);
- goto end;
- }
-
- /* Mantissa length */
- if (flt_ft_a->mant_dig != flt_ft_b->mant_dig) {
- BT_LOGV("Floating point number field types differ: different mantissa sizes: "
- "ft-a-mant-size=%u, ft-b-mant-size=%u",
- flt_ft_a->mant_dig, flt_ft_b->mant_dig);
- goto end;
- }
-
- /* Equal */
- ret = 0;
-
-end:
- return ret;
-}
-
-static
-int compare_enumeration_mappings(struct enumeration_mapping *mapping_a,
- struct enumeration_mapping *mapping_b)
-{
- int ret = 1;
-
- /* Label */
- if (mapping_a->string != mapping_b->string) {
- BT_LOGV("Enumeration field type mappings differ: different names: "
- "mapping-a-name=\"%s\", mapping-b-name=\"%s\"",
- g_quark_to_string(mapping_a->string),
- g_quark_to_string(mapping_b->string));
- goto end;
- }
-
- /* Range start */
- if (mapping_a->range_start._unsigned !=
- mapping_b->range_start._unsigned) {
- BT_LOGV("Enumeration field type mappings differ: different starts of range: "
- "mapping-a-range-start-unsigned=%" PRIu64 ", "
- "mapping-b-range-start-unsigned=%" PRIu64,
- mapping_a->range_start._unsigned,
- mapping_b->range_start._unsigned);
- goto end;
- }
-
- /* Range end */
- if (mapping_a->range_end._unsigned !=
- mapping_b->range_end._unsigned) {
- BT_LOGV("Enumeration field type mappings differ: different ends of range: "
- "mapping-a-range-end-unsigned=%" PRIu64 ", "
- "mapping-b-range-end-unsigned=%" PRIu64,
- mapping_a->range_end._unsigned,
- mapping_b->range_end._unsigned);
- goto end;
- }
-
- /* Equal */
- ret = 0;
-
-end:
- return ret;
-}
-
-static
-int bt_field_type_enumeration_compare_recursive(
- struct bt_field_type *ft_a,
- struct bt_field_type *ft_b)
-{
- int ret = 1;
- int i;
- struct bt_field_type_enumeration *enum_ft_a = (void *) ft_a;
- struct bt_field_type_enumeration *enum_ft_b = (void *) ft_b;
-
- /* Container field type */
- ret = bt_field_type_compare((void *) enum_ft_a->container_ft,
- (void *) enum_ft_b->container_ft);
- if (ret) {
- BT_LOGV("Enumeration field types differ: different container field types: "
- "ft-a-container-ft-addr=%p, ft-b-container-ft-addr=%p",
- enum_ft_a->container_ft, enum_ft_b->container_ft);
- goto end;
- }
-
- ret = 1;
-
- /* Entries */
- if (enum_ft_a->entries->len != enum_ft_b->entries->len) {
- goto end;
- }
-
- for (i = 0; i < enum_ft_a->entries->len; ++i) {
- struct enumeration_mapping *mapping_a =
- g_ptr_array_index(enum_ft_a->entries, i);
- struct enumeration_mapping *mapping_b =
- g_ptr_array_index(enum_ft_b->entries, i);
-
- if (compare_enumeration_mappings(mapping_a, mapping_b)) {
- BT_LOGV("Enumeration field types differ: different mappings: "
- "ft-a-mapping-addr=%p, ft-b-mapping-addr=%p, "
- "ft-a-mapping-name=\"%s\", ft-b-mapping-name=\"%s\"",
- mapping_a, mapping_b,
- g_quark_to_string(mapping_a->string),
- g_quark_to_string(mapping_b->string));
- goto end;
- }
- }
-
- /* Equal */
- ret = 0;
-
-end:
- return ret;
-}
-
-static
-int bt_field_type_string_compare(struct bt_field_type *ft_a,
- struct bt_field_type *ft_b)
-{
- int ret = 1;
- struct bt_field_type_string *string_ft_a = (void *) ft_a;
- struct bt_field_type_string *string_ft_b = (void *) ft_b;
-
- /* Encoding */
- if (string_ft_a->encoding != string_ft_b->encoding) {
- BT_LOGV("String field types differ: different encodings: "
- "ft-a-encoding=%s, ft-b-encoding=%s",
- bt_common_string_encoding_string(string_ft_a->encoding),
- bt_common_string_encoding_string(string_ft_b->encoding));
- goto end;
- }
-
- /* Equal */
- ret = 0;
-
-end:
- return ret;
-}
-
-static
-int compare_structure_variant_members(
- struct bt_field_type *member_a_ft,
- struct bt_field_type *member_b_ft,
- GQuark member_a_name, GQuark member_b_name)
-{
- int ret = 1;
-
- /* Label */
- if (member_a_name != member_b_name) {
- BT_LOGV("Structure/variant field type fields differ: different names: "
- "field-a-name=%s, field-b-name=%s",
- g_quark_to_string(member_a_name),
- g_quark_to_string(member_b_name));
- goto end;
- }
-
- /* Type */
- ret = bt_field_type_compare(member_a_ft, member_b_ft);
- if (ret == 1) {
- BT_LOGV("Structure/variant field type fields differ: different field types: "
- "field-name=\"%s\", field-a-ft-addr=%p, field-b-ft-addr=%p",
- g_quark_to_string(member_a_name),
- member_a_ft, member_b_ft);
- }
-
-end:
- return ret;
-}
-
-static
-int bt_field_type_structure_compare_recursive(
- struct bt_field_type *ft_a,
- struct bt_field_type *ft_b)
-{
- int ret = 1;
- int i;
- struct bt_field_type_structure *struct_ft_a = (void *) ft_a;
- struct bt_field_type_structure *struct_ft_b = (void *) ft_b;
-
- /* Alignment */
- if (bt_field_type_get_alignment(ft_a) !=
- bt_field_type_get_alignment(ft_b)) {
- BT_LOGV("Structure field types differ: different alignments: "
- "ft-a-align=%u, ft-b-align=%u",
- bt_field_type_get_alignment(ft_a),
- bt_field_type_get_alignment(ft_b));
- goto end;
- }
-
- /* Fields */
- if (struct_ft_a->fields->len != struct_ft_b->fields->len) {
- BT_LOGV("Structure field types differ: different field counts: "
- "ft-a-field-count=%u, ft-b-field-count=%u",
- struct_ft_a->fields->len, struct_ft_b->fields->len);
- goto end;
- }
-
- for (i = 0; i < struct_ft_a->fields->len; ++i) {
- struct bt_field_type_structure_field *field_a =
- BT_FIELD_TYPE_STRUCTURE_FIELD_AT_INDEX(
- struct_ft_a, i);
- struct bt_field_type_structure_field *field_b =
- BT_FIELD_TYPE_STRUCTURE_FIELD_AT_INDEX(
- struct_ft_b, i);
-
- ret = compare_structure_variant_members(field_a->type,
- field_b->type, field_a->name, field_b->name);
- if (ret) {
- /* compare_structure_variant_members() logs what differs */
- BT_LOGV_STR("Structure field types differ: different fields.");
- goto end;
- }
- }
-
- /* Equal */
- ret = 0;
-
-end:
- return ret;
-}
-
-static
-int bt_field_type_variant_compare_recursive(
- struct bt_field_type *ft_a,
- struct bt_field_type *ft_b)
-{
- int ret = 1;
- int i;
- struct bt_field_type_variant *var_ft_a = (void *) ft_a;
- struct bt_field_type_variant *var_ft_b = (void *) ft_b;
-
- /* Tag name */
- if (strcmp(var_ft_a->tag_name->str, var_ft_b->tag_name->str)) {
- BT_LOGV("Variant field types differ: different tag field names: "
- "ft-a-tag-field-name=\"%s\", ft-b-tag-field-name=\"%s\"",
- var_ft_a->tag_name->str, var_ft_b->tag_name->str);
- goto end;
- }
-
- /* Tag type */
- ret = bt_field_type_compare((void *) var_ft_a->tag_ft,
- (void *) var_ft_b->tag_ft);
- if (ret) {
- BT_LOGV("Variant field types differ: different tag field types: "
- "ft-a-tag-ft-addr=%p, ft-b-tag-ft-addr=%p",
- var_ft_a->tag_ft, var_ft_b->tag_ft);
- goto end;
- }
-
- ret = 1;
-
- /* Fields */
- if (var_ft_a->choices->len != var_ft_b->choices->len) {
- BT_LOGV("Variant field types differ: different field counts: "
- "ft-a-field-count=%u, ft-b-field-count=%u",
- var_ft_a->choices->len, var_ft_b->choices->len);
- goto end;
- }
-
- for (i = 0; i < var_ft_a->choices->len; ++i) {
- struct bt_field_type_variant_choice *choice_a =
- BT_FIELD_TYPE_VARIANT_CHOICE_AT_INDEX(
- var_ft_a, i);
- struct bt_field_type_variant_choice *choice_b =
- BT_FIELD_TYPE_VARIANT_CHOICE_AT_INDEX(
- var_ft_b, i);
-
- ret = compare_structure_variant_members(choice_a->type,
- choice_b->type, choice_a->name, choice_b->name);
- if (ret) {
- /* compare_structure_variant_members() logs what differs */
- BT_LOGV_STR("Variant field types differ: different fields.");
- goto end;
- }
- }
-
- /* Equal */
- ret = 0;
-
-end:
- return ret;
-}
-
-static
-int bt_field_type_array_compare_recursive(
- struct bt_field_type *ft_a,
- struct bt_field_type *ft_b)
-{
- int ret = 1;
- struct bt_field_type_array *array_ft_a = (void *) ft_a;
- struct bt_field_type_array *array_ft_b = (void *) ft_b;
-
- /* Length */
- if (array_ft_a->length != array_ft_b->length) {
- BT_LOGV("Structure field types differ: different lengths: "
- "ft-a-length=%u, ft-b-length=%u",
- array_ft_a->length, array_ft_b->length);
- goto end;
- }
-
- /* Element type */
- ret = bt_field_type_compare(array_ft_a->element_ft,
- array_ft_b->element_ft);
- if (ret == 1) {
- BT_LOGV("Array field types differ: different element field types: "
- "ft-a-element-ft-addr=%p, ft-b-element-ft-addr=%p",
- array_ft_a->element_ft, array_ft_b->element_ft);
- }
-
-end:
- return ret;
-}
-
-static
-int bt_field_type_sequence_compare_recursive(
- struct bt_field_type *ft_a,
- struct bt_field_type *ft_b)
-{
- int ret = -1;
- struct bt_field_type_sequence *seq_ft_a = (void *) ft_a;
- struct bt_field_type_sequence *seq_ft_b = (void *) ft_b;
-
- /* Length name */
- if (strcmp(seq_ft_a->length_field_name->str,
- seq_ft_b->length_field_name->str)) {
- BT_LOGV("Sequence field types differ: different length field names: "
- "ft-a-length-field-name=\"%s\", "
- "ft-b-length-field-name=\"%s\"",
- seq_ft_a->length_field_name->str,
- seq_ft_b->length_field_name->str);
- goto end;
- }
-
- /* Element type */
- ret = bt_field_type_compare(seq_ft_a->element_ft,
- seq_ft_b->element_ft);
- if (ret == 1) {
- BT_LOGV("Sequence field types differ: different element field types: "
- "ft-a-element-ft-addr=%p, ft-b-element-ft-addr=%p",
- seq_ft_a->element_ft, seq_ft_b->element_ft);
- }
-
-end:
- return ret;
-}
-
-BT_HIDDEN
-int bt_field_type_compare(struct bt_field_type *ft_a,
- struct bt_field_type *ft_b)
-{
- int ret = 1;
-
- BT_ASSERT_PRE_NON_NULL(ft_a, "Field type A");
- BT_ASSERT_PRE_NON_NULL(ft_b, "Field type B");
-
- if (ft_a == ft_b) {
- /* Same reference: equal (even if both are NULL) */
- ret = 0;
- goto end;
- }
-
- if (!ft_a) {
- BT_LOGW_STR("Invalid parameter: field type A is NULL.");
- ret = -1;
- goto end;
- }
-
- if (!ft_b) {
- BT_LOGW_STR("Invalid parameter: field type B is NULL.");
- ret = -1;
- goto end;
- }
-
- if (ft_a->id != ft_b->id) {
- /* Different type IDs */
- BT_LOGV("Field types differ: different IDs: "
- "ft-a-addr=%p, ft-b-addr=%p, "
- "ft-a-id=%s, ft-b-id=%s",
- ft_a, ft_b,
- bt_common_field_type_id_string(ft_a->id),
- bt_common_field_type_id_string(ft_b->id));
- goto end;
- }
-
- if (ft_a->id == BT_FIELD_TYPE_ID_UNKNOWN) {
- /* Both have unknown type IDs */
- BT_LOGW_STR("Invalid parameter: field type IDs are unknown.");
- goto end;
- }
-
- BT_ASSERT(ft_a->methods->compare);
- ret = ft_a->methods->compare(ft_a, ft_b);
- if (ret == 1) {
- BT_LOGV("Field types differ: ft-a-addr=%p, ft-b-addr=%p",
- ft_a, ft_b);
- }