#include <babeltrace/ctf-writer/event-fields.h>
#include <babeltrace/ctf-ir/event-fields-internal.h>
#include <babeltrace/ctf-ir/event-types-internal.h>
+#include <babeltrace/ctf-ir/common-internal.h>
+#include <babeltrace/ctf-ir/ref.h>
#include <babeltrace/compiler.h>
#define PACKET_LEN_INCREMENT (getpagesize() * 8 * CHAR_BIT)
struct bt_ctf_field *bt_ctf_field_string_create(struct bt_ctf_field_type *);
static
-void bt_ctf_field_destroy(struct bt_ctf_ref *);
+void bt_ctf_field_destroy(struct bt_ref *);
static
void bt_ctf_field_integer_destroy(struct bt_ctf_field *);
static
void bt_ctf_field_string_destroy(struct bt_ctf_field *);
static
-int bt_ctf_field_generic_validate(struct bt_ctf_field *field);
+int bt_ctf_field_generic_validate(struct bt_ctf_field *);
static
-int bt_ctf_field_structure_validate(struct bt_ctf_field *field);
+int bt_ctf_field_structure_validate(struct bt_ctf_field *);
static
-int bt_ctf_field_variant_validate(struct bt_ctf_field *field);
+int bt_ctf_field_variant_validate(struct bt_ctf_field *);
static
-int bt_ctf_field_enumeration_validate(struct bt_ctf_field *field);
+int bt_ctf_field_enumeration_validate(struct bt_ctf_field *);
static
-int bt_ctf_field_array_validate(struct bt_ctf_field *field);
+int bt_ctf_field_array_validate(struct bt_ctf_field *);
static
-int bt_ctf_field_sequence_validate(struct bt_ctf_field *field);
+int bt_ctf_field_sequence_validate(struct bt_ctf_field *);
static
-int bt_ctf_field_generic_reset(struct bt_ctf_field *field);
+int bt_ctf_field_generic_reset(struct bt_ctf_field *);
static
-int bt_ctf_field_structure_reset(struct bt_ctf_field *field);
+int bt_ctf_field_structure_reset(struct bt_ctf_field *);
static
-int bt_ctf_field_variant_reset(struct bt_ctf_field *field);
+int bt_ctf_field_variant_reset(struct bt_ctf_field *);
static
-int bt_ctf_field_enumeration_reset(struct bt_ctf_field *field);
+int bt_ctf_field_enumeration_reset(struct bt_ctf_field *);
static
-int bt_ctf_field_array_reset(struct bt_ctf_field *field);
+int bt_ctf_field_array_reset(struct bt_ctf_field *);
static
-int bt_ctf_field_sequence_reset(struct bt_ctf_field *field);
+int bt_ctf_field_sequence_reset(struct bt_ctf_field *);
static
-int bt_ctf_field_string_reset(struct bt_ctf_field *field);
+int bt_ctf_field_string_reset(struct bt_ctf_field *);
static
int bt_ctf_field_integer_serialize(struct bt_ctf_field *,
int bt_ctf_field_string_serialize(struct bt_ctf_field *,
struct ctf_stream_pos *);
+static
+int bt_ctf_field_integer_copy(struct bt_ctf_field *, struct bt_ctf_field *);
+static
+int bt_ctf_field_enumeration_copy(struct bt_ctf_field *, struct bt_ctf_field *);
+static
+int bt_ctf_field_floating_point_copy(struct bt_ctf_field *,
+ struct bt_ctf_field *);
+static
+int bt_ctf_field_structure_copy(struct bt_ctf_field *, struct bt_ctf_field *);
+static
+int bt_ctf_field_variant_copy(struct bt_ctf_field *, struct bt_ctf_field *);
+static
+int bt_ctf_field_array_copy(struct bt_ctf_field *, struct bt_ctf_field *);
+static
+int bt_ctf_field_sequence_copy(struct bt_ctf_field *, struct bt_ctf_field *);
+static
+int bt_ctf_field_string_copy(struct bt_ctf_field *, struct bt_ctf_field *);
+
static
int increase_packet_size(struct ctf_stream_pos *pos);
static
-struct bt_ctf_field *(*field_create_funcs[])(
+struct bt_ctf_field *(* const field_create_funcs[])(
struct bt_ctf_field_type *) = {
[CTF_TYPE_INTEGER] = bt_ctf_field_integer_create,
[CTF_TYPE_ENUM] = bt_ctf_field_enumeration_create,
};
static
-void (*field_destroy_funcs[])(struct bt_ctf_field *) = {
+void (* const field_destroy_funcs[])(struct bt_ctf_field *) = {
[CTF_TYPE_INTEGER] = bt_ctf_field_integer_destroy,
[CTF_TYPE_ENUM] = bt_ctf_field_enumeration_destroy,
[CTF_TYPE_FLOAT] =
};
static
-int (*field_validate_funcs[])(struct bt_ctf_field *) = {
+int (* const field_validate_funcs[])(struct bt_ctf_field *) = {
[CTF_TYPE_INTEGER] = bt_ctf_field_generic_validate,
[CTF_TYPE_ENUM] = bt_ctf_field_enumeration_validate,
[CTF_TYPE_FLOAT] = bt_ctf_field_generic_validate,
};
static
-int (*field_reset_funcs[])(struct bt_ctf_field *) = {
+int (* const field_reset_funcs[])(struct bt_ctf_field *) = {
[CTF_TYPE_INTEGER] = bt_ctf_field_generic_reset,
[CTF_TYPE_ENUM] = bt_ctf_field_enumeration_reset,
[CTF_TYPE_FLOAT] = bt_ctf_field_generic_reset,
};
static
-int (*field_serialize_funcs[])(struct bt_ctf_field *,
+int (* const field_serialize_funcs[])(struct bt_ctf_field *,
struct ctf_stream_pos *) = {
[CTF_TYPE_INTEGER] = bt_ctf_field_integer_serialize,
[CTF_TYPE_ENUM] = bt_ctf_field_enumeration_serialize,
[CTF_TYPE_STRING] = bt_ctf_field_string_serialize,
};
+static
+int (* const field_copy_funcs[])(struct bt_ctf_field *,
+ struct bt_ctf_field *) = {
+ [CTF_TYPE_INTEGER] = bt_ctf_field_integer_copy,
+ [CTF_TYPE_ENUM] = bt_ctf_field_enumeration_copy,
+ [CTF_TYPE_FLOAT] = bt_ctf_field_floating_point_copy,
+ [CTF_TYPE_STRUCT] = bt_ctf_field_structure_copy,
+ [CTF_TYPE_VARIANT] = bt_ctf_field_variant_copy,
+ [CTF_TYPE_ARRAY] = bt_ctf_field_array_copy,
+ [CTF_TYPE_SEQUENCE] = bt_ctf_field_sequence_copy,
+ [CTF_TYPE_STRING] = bt_ctf_field_string_copy,
+};
+
struct bt_ctf_field *bt_ctf_field_create(struct bt_ctf_field_type *type)
{
struct bt_ctf_field *field = NULL;
/* The type's declaration can't change after this point */
bt_ctf_field_type_freeze(type);
bt_ctf_field_type_get(type);
- bt_ctf_ref_init(&field->ref_count);
+ bt_ctf_base_init(field, bt_ctf_field_destroy);
field->type = type;
error:
return field;
void bt_ctf_field_get(struct bt_ctf_field *field)
{
- if (field) {
- bt_ctf_ref_get(&field->ref_count);
- }
+ bt_ctf_get(field);
}
void bt_ctf_field_put(struct bt_ctf_field *field)
{
- if (field) {
- bt_ctf_ref_put(&field->ref_count, bt_ctf_field_destroy);
- }
+ bt_ctf_put(field);
}
struct bt_ctf_field_type *bt_ctf_field_get_type(struct bt_ctf_field *field)
}
new_field = bt_ctf_field_create(field_type);
- bt_ctf_field_get(new_field);
array->elements->pdata[(size_t)index] = new_field;
end:
if (field_type) {
bt_ctf_field_type_put(field_type);
}
+ if (new_field) {
+ bt_ctf_field_get(new_field);
+ }
return new_field;
}
}
new_field = bt_ctf_field_create(field_type);
- bt_ctf_field_get(new_field);
sequence->elements->pdata[(size_t)index] = new_field;
end:
if (field_type) {
bt_ctf_field_type_put(field_type);
}
+ if (new_field) {
+ bt_ctf_field_get(new_field);
+ }
return new_field;
}
tag_enum_integer = container_of(tag_enum, struct bt_ctf_field_integer,
parent);
- if (!bt_ctf_field_validate(variant->tag)) {
+ if (bt_ctf_field_validate(tag_field) < 0) {
goto end;
}
tag_enum_value = tag_enum_integer->definition.value._signed;
+
+ /*
+ * If the variant currently has a tag and a payload, and if the
+ * requested tag value is the same as the current one, return
+ * the current payload instead of creating a fresh one.
+ */
+ if (variant->tag && variant->payload) {
+ struct bt_ctf_field *cur_tag_container = NULL;
+ struct bt_ctf_field_integer *cur_tag_enum_integer;
+ int64_t cur_tag_value;
+
+ cur_tag_container =
+ bt_ctf_field_enumeration_get_container(variant->tag);
+ cur_tag_enum_integer = container_of(cur_tag_container,
+ struct bt_ctf_field_integer, parent);
+ bt_ctf_field_put(cur_tag_container);
+ cur_tag_value = cur_tag_enum_integer->definition.value._signed;
+
+ if (cur_tag_value == tag_enum_value) {
+ new_field = variant->payload;
+ bt_ctf_field_get(new_field);
+ goto end;
+ }
+ }
+
field_type = bt_ctf_field_type_variant_get_field_type_signed(
variant_type, tag_enum_value);
if (!field_type) {
return new_field;
}
+struct bt_ctf_field *bt_ctf_field_variant_get_current_field(
+ struct bt_ctf_field *variant_field)
+{
+ struct bt_ctf_field *current_field = NULL;
+ struct bt_ctf_field_variant *variant;
+
+ if (!variant_field ||
+ bt_ctf_field_type_get_type_id(variant_field->type) !=
+ CTF_TYPE_VARIANT) {
+ goto end;
+ }
+
+ variant = container_of(variant_field, struct bt_ctf_field_variant,
+ parent);
+
+ if (variant->payload) {
+ current_field = variant->payload;
+ bt_ctf_field_get(current_field);
+ goto end;
+ }
+
+end:
+ return current_field;
+}
+
struct bt_ctf_field *bt_ctf_field_enumeration_get_container(
struct bt_ctf_field *field)
{
return ret;
}
+int bt_ctf_field_string_append(struct bt_ctf_field *field,
+ const char *value)
+{
+ int ret = 0;
+ struct bt_ctf_field_string *string_field;
+
+ if (!field || !value ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_STRING) {
+ ret = -1;
+ goto end;
+ }
+
+ string_field = container_of(field, struct bt_ctf_field_string, parent);
+
+ if (string_field->payload) {
+ g_string_append(string_field->payload, value);
+ } else {
+ string_field->payload = g_string_new(value);
+ }
+
+ string_field->parent.payload_set = 1;
+
+end:
+ return ret;
+}
+
+int bt_ctf_field_string_append_len(struct bt_ctf_field *field,
+ const char *value, unsigned int length)
+{
+ int i;
+ int ret = 0;
+ unsigned int effective_length = length;
+ struct bt_ctf_field_string *string_field;
+
+ if (!field || !value ||
+ bt_ctf_field_type_get_type_id(field->type) !=
+ CTF_TYPE_STRING) {
+ ret = -1;
+ goto end;
+ }
+
+ string_field = container_of(field, struct bt_ctf_field_string, parent);
+
+ /* make sure no null bytes are appended */
+ for (i = 0; i < length; ++i) {
+ if (value[i] == '\0') {
+ effective_length = i;
+ break;
+ }
+ }
+
+ if (string_field->payload) {
+ g_string_append_len(string_field->payload, value,
+ effective_length);
+ } else {
+ string_field->payload = g_string_new_len(value,
+ effective_length);
+ }
+
+ string_field->parent.payload_set = 1;
+
+end:
+ return ret;
+}
+
BT_HIDDEN
int bt_ctf_field_validate(struct bt_ctf_field *field)
{
return ret;
}
+struct bt_ctf_field *bt_ctf_field_copy(struct bt_ctf_field *field)
+{
+ int ret;
+ struct bt_ctf_field *copy = NULL;
+ enum ctf_type_id type_id;
+
+ if (!field) {
+ goto end;
+ }
+
+ type_id = bt_ctf_field_type_get_type_id(field->type);
+ if (type_id <= CTF_TYPE_UNKNOWN || type_id >= NR_CTF_TYPES) {
+ goto end;
+ }
+
+ copy = bt_ctf_field_create(field->type);
+ if (!copy) {
+ goto end;
+ }
+
+ copy->payload_set = field->payload_set;
+ ret = field_copy_funcs[type_id](field, copy);
+ if (ret) {
+ bt_ctf_field_put(copy);
+ copy = NULL;
+ }
+end:
+ return copy;
+}
+
static
struct bt_ctf_field *bt_ctf_field_integer_create(struct bt_ctf_field_type *type)
{
}
static
-void bt_ctf_field_destroy(struct bt_ctf_ref *ref)
+void bt_ctf_field_destroy(struct bt_ref *ref)
{
struct bt_ctf_field *field;
+ struct bt_ctf_base *base;
struct bt_ctf_field_type *type;
enum ctf_type_id type_id;
return;
}
- field = container_of(ref, struct bt_ctf_field, ref_count);
+ base = container_of(ref, struct bt_ctf_base, ref_count);
+ field = container_of(base, struct bt_ctf_field, base);
type = field->type;
type_id = bt_ctf_field_type_get_type_id(type);
if (type_id <= CTF_TYPE_UNKNOWN ||
}
sequence = container_of(field, struct bt_ctf_field_sequence, parent);
- g_ptr_array_free(sequence->elements, TRUE);
+ if (sequence->elements) {
+ g_ptr_array_free(sequence->elements, TRUE);
+ }
bt_ctf_field_put(sequence->length);
g_free(sequence);
}
}
string = container_of(field, struct bt_ctf_field_string, parent);
- g_string_free(string->payload, TRUE);
+ if (string->payload) {
+ g_string_free(string->payload, TRUE);
+ }
g_free(string);
}
return ret;
}
+static
+int bt_ctf_field_integer_copy(struct bt_ctf_field *src,
+ struct bt_ctf_field *dst)
+{
+ struct bt_ctf_field_integer *integer_src, *integer_dst;
+
+ integer_src = container_of(src, struct bt_ctf_field_integer, parent);
+ integer_dst = container_of(dst, struct bt_ctf_field_integer, parent);
+
+ memcpy(&integer_dst->definition, &integer_src->definition,
+ sizeof(struct definition_integer));
+ return 0;
+}
+
+static
+int bt_ctf_field_enumeration_copy(struct bt_ctf_field *src,
+ struct bt_ctf_field *dst)
+{
+ int ret = 0;
+ struct bt_ctf_field_enumeration *enum_src, *enum_dst;
+
+ enum_src = container_of(src, struct bt_ctf_field_enumeration, parent);
+ enum_dst = container_of(dst, struct bt_ctf_field_enumeration, parent);
+
+ if (enum_src->payload) {
+ enum_dst->payload = bt_ctf_field_copy(enum_src->payload);
+ if (!enum_dst->payload) {
+ ret = -1;
+ goto end;
+ }
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_floating_point_copy(
+ struct bt_ctf_field *src, struct bt_ctf_field *dst)
+{
+ struct bt_ctf_field_floating_point *float_src, *float_dst;
+
+ float_src = container_of(src, struct bt_ctf_field_floating_point,
+ parent);
+ float_dst = container_of(dst, struct bt_ctf_field_floating_point,
+ parent);
+
+ memcpy(&float_dst->definition, &float_src->definition,
+ sizeof(struct definition_float));
+ memcpy(&float_dst->sign, &float_src->sign,
+ sizeof(struct definition_integer));
+ memcpy(&float_dst->mantissa, &float_src->mantissa,
+ sizeof(struct definition_integer));
+ memcpy(&float_dst->exp, &float_src->exp,
+ sizeof(struct definition_integer));
+ return 0;
+}
+
+static
+int bt_ctf_field_structure_copy(struct bt_ctf_field *src,
+ struct bt_ctf_field *dst)
+{
+ int ret = 0, i;
+ struct bt_ctf_field_structure *struct_src, *struct_dst;
+
+ struct_src = container_of(src, struct bt_ctf_field_structure, parent);
+ struct_dst = container_of(dst, struct bt_ctf_field_structure, parent);
+
+ /* This field_name_to_index HT is owned by the structure field type */
+ struct_dst->field_name_to_index = struct_src->field_name_to_index;
+ g_ptr_array_set_size(struct_dst->fields, struct_src->fields->len);
+
+ for (i = 0; i < struct_src->fields->len; i++) {
+ struct bt_ctf_field *field =
+ g_ptr_array_index(struct_src->fields, i);
+ struct bt_ctf_field *field_copy = NULL;
+
+ if (field) {
+ field_copy = bt_ctf_field_copy(field);
+
+ if (!field_copy) {
+ ret = -1;
+ goto end;
+ }
+ }
+
+ g_ptr_array_index(struct_dst->fields, i) = field_copy;
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_variant_copy(struct bt_ctf_field *src,
+ struct bt_ctf_field *dst)
+{
+ int ret = 0;
+ struct bt_ctf_field_variant *variant_src, *variant_dst;
+
+ variant_src = container_of(src, struct bt_ctf_field_variant, parent);
+ variant_dst = container_of(dst, struct bt_ctf_field_variant, parent);
+
+ if (variant_src->tag) {
+ variant_dst->tag = bt_ctf_field_copy(variant_src->tag);
+ if (!variant_dst->tag) {
+ ret = -1;
+ goto end;
+ }
+ }
+ if (variant_src->payload) {
+ variant_dst->payload = bt_ctf_field_copy(variant_src->payload);
+ if (!variant_dst->payload) {
+ ret = -1;
+ goto end;
+ }
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_array_copy(struct bt_ctf_field *src,
+ struct bt_ctf_field *dst)
+{
+ int ret = 0, i;
+ struct bt_ctf_field_array *array_src, *array_dst;
+
+ array_src = container_of(src, struct bt_ctf_field_array, parent);
+ array_dst = container_of(dst, struct bt_ctf_field_array, parent);
+
+ g_ptr_array_set_size(array_dst->elements, array_src->elements->len);
+ for (i = 0; i < array_src->elements->len; i++) {
+ struct bt_ctf_field *field =
+ g_ptr_array_index(array_src->elements, i);
+ struct bt_ctf_field *field_copy = NULL;
+
+ if (field) {
+ field_copy = bt_ctf_field_copy(field);
+
+ if (!field_copy) {
+ ret = -1;
+ goto end;
+ }
+ }
+
+ g_ptr_array_index(array_dst->elements, i) = field_copy;
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_sequence_copy(struct bt_ctf_field *src,
+ struct bt_ctf_field *dst)
+{
+ int ret = 0, i;
+ struct bt_ctf_field_sequence *sequence_src, *sequence_dst;
+ struct bt_ctf_field *src_length;
+ struct bt_ctf_field *dst_length;
+
+ sequence_src = container_of(src, struct bt_ctf_field_sequence, parent);
+ sequence_dst = container_of(dst, struct bt_ctf_field_sequence, parent);
+
+ src_length = bt_ctf_field_sequence_get_length(src);
+
+ if (!src_length) {
+ /* no length set yet: keep destination sequence empty */
+ goto end;
+ }
+
+ /* copy source length */
+ dst_length = bt_ctf_field_copy(src_length);
+ bt_ctf_field_put(src_length);
+
+ if (!dst_length) {
+ ret = -1;
+ goto end;
+ }
+
+ /* this will initialize the destination sequence's internal array */
+ ret = bt_ctf_field_sequence_set_length(dst, dst_length);
+ bt_ctf_field_put(dst_length);
+
+ if (ret) {
+ goto end;
+ }
+
+ assert(sequence_dst->elements->len == sequence_src->elements->len);
+
+ for (i = 0; i < sequence_src->elements->len; i++) {
+ struct bt_ctf_field *field =
+ g_ptr_array_index(sequence_src->elements, i);
+ struct bt_ctf_field *field_copy = NULL;
+
+ if (field) {
+ field_copy = bt_ctf_field_copy(field);
+
+ if (!field_copy) {
+ ret = -1;
+ goto end;
+ }
+ }
+
+ g_ptr_array_index(sequence_dst->elements, i) = field_copy;
+ }
+end:
+ return ret;
+}
+
+static
+int bt_ctf_field_string_copy(struct bt_ctf_field *src,
+ struct bt_ctf_field *dst)
+{
+ int ret = 0;
+ struct bt_ctf_field_string *string_src, *string_dst;
+
+ string_src = container_of(src, struct bt_ctf_field_string, parent);
+ string_dst = container_of(dst, struct bt_ctf_field_string, parent);
+
+ if (string_src->payload) {
+ string_dst->payload = g_string_new(string_src->payload->str);
+ if (!string_dst->payload) {
+ ret = -1;
+ goto end;
+ }
+ }
+end:
+ return ret;
+}
+
static
int increase_packet_size(struct ctf_stream_pos *pos)
{
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