#include <babeltrace/ctf-ir/stream-class-internal.h>
#include <babeltrace/ctf-ir/trace-internal.h>
#include <babeltrace/ctf-ir/utils.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/ctf-ir/attributes-internal.h>
#include <babeltrace/compiler.h>
static
-void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref);
+void bt_ctf_event_class_destroy(struct bt_object *obj);
static
-void bt_ctf_event_destroy(struct bt_ctf_ref *ref);
+void bt_ctf_event_destroy(struct bt_object *obj);
static
int set_integer_field_value(struct bt_ctf_field *field, uint64_t value);
struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
{
+ int ret;
+ struct bt_value *obj = NULL;
struct bt_ctf_event_class *event_class = NULL;
if (bt_ctf_validate_identifier(name)) {
- goto end;
+ goto error;
}
event_class = g_new0(struct bt_ctf_event_class, 1);
if (!event_class) {
- goto end;
+ goto error;
}
- bt_ctf_ref_init(&event_class->ref_count);
+ bt_object_init(event_class, bt_ctf_event_class_destroy);
event_class->fields = bt_ctf_field_type_structure_create();
if (!event_class->fields) {
- bt_ctf_event_class_put(event_class);
- event_class = NULL;
- goto end;
+ goto error;
}
- event_class->name = g_quark_from_string(name);
-end:
+ event_class->attributes = bt_ctf_attributes_create();
+ if (!event_class->attributes) {
+ goto error;
+ }
+
+ obj = bt_value_integer_create_init(-1);
+ if (!obj) {
+ goto error;
+ }
+
+ ret = bt_ctf_attributes_set_field_value(event_class->attributes,
+ "id", obj);
+ if (ret) {
+ goto error;
+ }
+
+ BT_PUT(obj);
+
+ obj = bt_value_string_create_init(name);
+ if (!obj) {
+ goto error;
+ }
+
+ ret = bt_ctf_attributes_set_field_value(event_class->attributes,
+ "name", obj);
+ if (ret) {
+ goto error;
+ }
+
+ BT_PUT(obj);
+
+ return event_class;
+
+error:
+ BT_PUT(event_class);
+ BT_PUT(obj);
return event_class;
}
const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class)
{
+ struct bt_value *obj = NULL;
const char *name = NULL;
if (!event_class) {
goto end;
}
- name = g_quark_to_string(event_class->name);
+ obj = bt_ctf_attributes_get_field_value(event_class->attributes,
+ BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX);
+ if (!obj) {
+ goto end;
+ }
+
+ if (bt_value_string_get(obj, &name)) {
+ name = NULL;
+ }
+
end:
+ BT_PUT(obj);
return name;
}
int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class)
{
- int64_t ret;
+ struct bt_value *obj = NULL;
+ int64_t ret = 0;
- if (!event_class || !event_class->id_set) {
+ if (!event_class) {
+ ret = -1;
+ goto end;
+ }
+
+ obj = bt_ctf_attributes_get_field_value(event_class->attributes,
+ BT_CTF_EVENT_CLASS_ATTR_ID_INDEX);
+ if (!obj) {
+ goto end;
+ }
+
+ if (bt_value_integer_get(obj, &ret)) {
+ ret = -1;
+ }
+
+ if (ret < 0) {
+ /* means ID is not set */
ret = -1;
goto end;
}
- ret = (int64_t) event_class->id;
end:
+ BT_PUT(obj);
return ret;
}
uint32_t id)
{
int ret = 0;
+ struct bt_value *obj = NULL;
+ struct bt_ctf_stream_class *stream_class = NULL;
+
if (!event_class) {
ret = -1;
goto end;
}
- if (event_class->stream_class) {
+ stream_class = bt_ctf_event_class_get_stream_class(event_class);
+ if (stream_class) {
/*
* We don't allow changing the id if the event class has already
* been added to a stream class.
goto end;
}
- event_class->id = id;
- event_class->id_set = 1;
+ obj = bt_ctf_attributes_get_field_value(event_class->attributes,
+ BT_CTF_EVENT_CLASS_ATTR_ID_INDEX);
+ if (!obj) {
+ goto end;
+ }
+
+ if (bt_value_integer_set(obj, id)) {
+ ret = -1;
+ goto end;
+ }
+
end:
+ BT_PUT(obj);
+ BT_PUT(stream_class);
return ret;
}
-struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class(
+int bt_ctf_event_class_set_attribute(
+ struct bt_ctf_event_class *event_class, const char *name,
+ struct bt_value *value)
+{
+ int ret = 0;
+
+ if (!event_class || !name || !value || event_class->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!strcmp(name, "id") || !strcmp(name, "loglevel")) {
+ if (!bt_value_is_integer(value)) {
+ ret = -1;
+ goto end;
+ }
+ } else if (!strcmp(name, "name") || !strcmp(name, "model.emf.uri")) {
+ if (!bt_value_is_string(value)) {
+ ret = -1;
+ goto end;
+ }
+ } else {
+ /* unknown attribute */
+ ret = -1;
+ goto end;
+ }
+
+ /* "id" special case: >= 0 */
+ if (!strcmp(name, "id")) {
+ int64_t val;
+
+ ret = bt_value_integer_get(value, &val);
+
+ if (ret) {
+ goto end;
+ }
+
+ if (val < 0) {
+ ret = -1;
+ goto end;
+ }
+ }
+
+ ret = bt_ctf_attributes_set_field_value(event_class->attributes,
+ name, value);
+
+end:
+ return ret;
+}
+
+int bt_ctf_event_class_get_attribute_count(
struct bt_ctf_event_class *event_class)
{
- struct bt_ctf_stream_class *stream_class = NULL;
+ int ret = 0;
+
+ if (!event_class) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_attributes_get_count(event_class->attributes);
+
+end:
+ return ret;
+}
+
+const char *
+bt_ctf_event_class_get_attribute_name(
+ struct bt_ctf_event_class *event_class, int index)
+{
+ const char *ret;
if (!event_class) {
+ ret = NULL;
+ goto end;
+ }
+
+ ret = bt_ctf_attributes_get_field_name(event_class->attributes, index);
+
+end:
+ return ret;
+}
+
+struct bt_value *
+bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class,
+ int index)
+{
+ struct bt_value *ret;
+
+ if (!event_class) {
+ ret = NULL;
+ goto end;
+ }
+
+ ret = bt_ctf_attributes_get_field_value(event_class->attributes, index);
+
+end:
+ return ret;
+}
+
+struct bt_value *
+bt_ctf_event_class_get_attribute_value_by_name(
+ struct bt_ctf_event_class *event_class, const char *name)
+{
+ struct bt_value *ret;
+
+ if (!event_class || !name) {
+ ret = NULL;
goto end;
}
- stream_class = event_class->stream_class;
- bt_ctf_stream_class_get(stream_class);
+ ret = bt_ctf_attributes_get_field_value_by_name(event_class->attributes,
+ name);
+
end:
- return stream_class;
+ return ret;
+
+}
+
+struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class(
+ struct bt_ctf_event_class *event_class)
+{
+ return (struct bt_ctf_stream_class *) bt_object_get_parent(event_class);
}
struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type(
goto end;
}
- bt_ctf_field_type_get(event_class->fields);
+ bt_get(event_class->fields);
payload = event_class->fields;
end:
return payload;
{
int ret = 0;
- if (!event_class || !payload) {
+ if (!event_class || !payload ||
+ bt_ctf_field_type_get_type_id(payload) != CTF_TYPE_STRUCT) {
ret = -1;
goto end;
}
- bt_ctf_field_type_get(payload);
- bt_ctf_field_type_put(event_class->fields);
+ bt_get(payload);
+ bt_put(event_class->fields);
event_class->fields = payload;
end:
return ret;
goto end;
}
- bt_ctf_field_type_get(event_class->context);
+ bt_get(event_class->context);
context_type = event_class->context;
end:
return context_type;
goto end;
}
- bt_ctf_field_type_get(context);
- bt_ctf_field_type_put(event_class->context);
+ bt_get(context);
+ bt_put(event_class->context);
event_class->context = context;
end:
return ret;
void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class)
{
- if (!event_class) {
- return;
- }
-
- bt_ctf_ref_get(&event_class->ref_count);
+ bt_get(event_class);
}
void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class)
{
- if (!event_class) {
- return;
+ bt_put(event_class);
+}
+
+BT_HIDDEN
+int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class,
+ uint32_t stream_id)
+{
+ int ret = 0;
+ struct bt_value *obj;
+
+ obj = bt_value_integer_create_init(stream_id);
+
+ if (!obj) {
+ ret = -1;
+ goto end;
}
- bt_ctf_ref_put(&event_class->ref_count, bt_ctf_event_class_destroy);
+ ret = bt_ctf_attributes_set_field_value(event_class->attributes,
+ "stream_id", obj);
+
+end:
+ BT_PUT(obj);
+ return ret;
}
struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class)
{
struct bt_ctf_event *event = NULL;
+ struct bt_ctf_stream_class *stream_class = NULL;
if (!event_class) {
- goto end;
+ goto error;
}
+ stream_class = bt_ctf_event_class_get_stream_class(event_class);
+ /*
+ * We disallow the creation of an event if its event class has not been
+ * associated to a stream class.
+ */
+ if (!stream_class) {
+ goto error;
+ }
+ assert(stream_class->event_header_type);
event = g_new0(struct bt_ctf_event, 1);
if (!event) {
- goto end;
+ goto error;
}
- bt_ctf_ref_init(&event->ref_count);
- bt_ctf_event_class_get(event_class);
+ bt_object_init(event, bt_ctf_event_destroy);
bt_ctf_event_class_freeze(event_class);
- event->event_class = event_class;
-
/*
- * The event class does not keep ownership of the stream class to
- * which it as been added. Therefore, it can't assume it has been
- * set. However, we disallow the creation of an event if its
- * associated stream class has been reclaimed.
+ * event does not share a common ancestor with the event class; it has
+ * to guarantee its existence by holding a reference. This reference
+ * shall be released once the event is associated to a stream since,
+ * from that point, the event and its class will share the same
+ * lifetime.
*/
- if (!event_class->stream_class) {
- goto error_destroy;
- }
- assert(event_class->stream_class->event_header_type);
+ event->event_class = bt_get(event_class);
event->event_header = bt_ctf_field_create(
- event_class->stream_class->event_header_type);
+ stream_class->event_header_type);
if (!event->event_header) {
- goto error_destroy;
+ goto error;
}
if (event_class->context) {
event->context_payload = bt_ctf_field_create(
event_class->context);
if (!event->context_payload) {
- goto error_destroy;
+ goto error;
}
}
event->fields_payload = bt_ctf_field_create(event_class->fields);
if (!event->fields_payload) {
- goto error_destroy;
+ goto error;
}
/*
* Freeze the stream class since the event header must not be changed
* anymore.
*/
- bt_ctf_stream_class_freeze(event_class->stream_class);
-end:
+ bt_ctf_stream_class_freeze(stream_class);
+ BT_PUT(stream_class);
+ return event;
+error:
+ BT_PUT(event);
+ BT_PUT(stream_class);
return event;
-error_destroy:
- bt_ctf_event_destroy(&event->ref_count);
- return NULL;
}
struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event)
}
event_class = event->event_class;
- bt_ctf_event_class_get(event_class);
+ bt_get(event_class);
end:
return event_class;
}
+struct bt_ctf_stream *bt_ctf_event_get_stream(struct bt_ctf_event *event)
+{
+ return (struct bt_ctf_stream *) bt_object_get_parent(event);
+}
+
struct bt_ctf_clock *bt_ctf_event_get_clock(struct bt_ctf_event *event)
{
struct bt_ctf_clock *clock = NULL;
}
error_put_stream_class:
- bt_ctf_stream_class_put(stream_class);
+ bt_put(stream_class);
error_put_event_class:
- bt_ctf_event_class_put(event_class);
+ bt_put(event_class);
end:
return clock;
}
payload_type = bt_ctf_field_get_type(payload);
if (payload_type == event->event_class->fields) {
- bt_ctf_field_put(event->fields_payload);
- bt_ctf_field_get(payload);
+ bt_put(event->fields_payload);
+ bt_get(payload);
event->fields_payload = payload;
} else {
ret = -1;
}
- bt_ctf_field_type_put(payload_type);
+ bt_put(payload_type);
}
end:
return ret;
}
+struct bt_ctf_field *bt_ctf_event_get_payload_field(struct bt_ctf_event *event)
+{
+ struct bt_ctf_field *payload = NULL;
+
+ if (!event || !event->fields_payload) {
+ goto end;
+ }
+
+ payload = event->fields_payload;
+ bt_get(payload);
+end:
+ return payload;
+}
+
+int bt_ctf_event_set_payload_field(struct bt_ctf_event *event,
+ struct bt_ctf_field *payload)
+{
+ int ret = 0;
+ struct bt_ctf_field_type *payload_type = NULL;
+
+ if (!event || !payload) {
+ ret = -1;
+ goto end;
+ }
+
+ payload_type = bt_ctf_field_get_type(payload);
+ if (!payload_type) {
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_field_type_get_type_id(payload_type) != CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_get(payload);
+ bt_put(event->fields_payload);
+ event->fields_payload = payload;
+
+end:
+ bt_put(payload_type);
+ return ret;
+}
struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event,
const char *name)
name);
} else {
field = event->fields_payload;
- bt_ctf_field_get(field);
+ bt_get(field);
}
end:
return field;
return field;
}
-struct bt_ctf_field *bt_ctf_event_get_event_header(
+struct bt_ctf_field *bt_ctf_event_get_header(
struct bt_ctf_event *event)
{
struct bt_ctf_field *header = NULL;
}
header = event->event_header;
- bt_ctf_field_get(header);
+ bt_get(header);
end:
return header;
}
-int bt_ctf_event_set_event_header(struct bt_ctf_event *event,
+int bt_ctf_event_set_header(struct bt_ctf_event *event,
struct bt_ctf_field *header)
{
int ret = 0;
struct bt_ctf_field_type *field_type = NULL;
+ struct bt_ctf_stream_class *stream_class = NULL;
if (!event || !header) {
ret = -1;
goto end;
}
- /* Could be NULL since an event class doesn't own a stream class */
- if (!event->event_class->stream_class) {
- ret = -1;
- goto end;
- }
-
+ stream_class = (struct bt_ctf_stream_class *) bt_object_get_parent(
+ event->event_class);
/*
* Ensure the provided header's type matches the one registered to the
* stream class.
*/
field_type = bt_ctf_field_get_type(header);
- if (field_type != event->event_class->stream_class->event_header_type) {
+ if (field_type != stream_class->event_header_type) {
ret = -1;
goto end;
}
- bt_ctf_field_get(header);
- bt_ctf_field_put(event->event_header);
+ bt_get(header);
+ bt_put(event->event_header);
event->event_header = header;
end:
- if (field_type) {
- bt_ctf_field_type_put(field_type);
- }
+ bt_put(stream_class);
+ bt_put(field_type);
return ret;
}
}
context = event->context_payload;
- bt_ctf_field_get(context);
+ bt_get(context);
end:
return context;
}
goto end;
}
- bt_ctf_field_get(context);
- bt_ctf_field_put(event->context_payload);
+ bt_get(context);
+ bt_put(event->context_payload);
event->context_payload = context;
end:
- if (field_type) {
- bt_ctf_field_type_put(field_type);
- }
+ bt_put(field_type);
return ret;
}
void bt_ctf_event_get(struct bt_ctf_event *event)
{
- if (!event) {
- return;
- }
-
- bt_ctf_ref_get(&event->ref_count);
+ bt_get(event);
}
void bt_ctf_event_put(struct bt_ctf_event *event)
{
- if (!event) {
- return;
- }
-
- bt_ctf_ref_put(&event->ref_count, bt_ctf_event_destroy);
+ bt_put(event);
}
static
-void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref)
+void bt_ctf_event_class_destroy(struct bt_object *obj)
{
struct bt_ctf_event_class *event_class;
- if (!ref) {
- return;
- }
-
/*
* Don't call put() on the stream class. See comment in
* bt_ctf_event_class_set_stream_class for explanation.
*/
- event_class = container_of(ref, struct bt_ctf_event_class, ref_count);
- if (event_class->context) {
- bt_ctf_field_type_put(event_class->context);
- }
- if (event_class->fields) {
- bt_ctf_field_type_put(event_class->fields);
- }
+ event_class = container_of(obj, struct bt_ctf_event_class, base);
+ bt_ctf_attributes_destroy(event_class->attributes);
+ bt_put(event_class->context);
+ bt_put(event_class->fields);
g_free(event_class);
}
static
-void bt_ctf_event_destroy(struct bt_ctf_ref *ref)
+void bt_ctf_event_destroy(struct bt_object *obj)
{
struct bt_ctf_event *event;
- if (!ref) {
- return;
- }
-
- event = container_of(ref, struct bt_ctf_event,
- ref_count);
- if (event->event_class) {
- bt_ctf_event_class_put(event->event_class);
- }
- if (event->event_header) {
- bt_ctf_field_put(event->event_header);
- }
- if (event->context_payload) {
- bt_ctf_field_put(event->context_payload);
- }
- if (event->fields_payload) {
- bt_ctf_field_put(event->fields_payload);
+ event = container_of(obj, struct bt_ctf_event, base);
+ if (!event->base.parent) {
+ /*
+ * Event was keeping a reference to its class since it shared no
+ * common ancestor with it to guarantee they would both have the
+ * same lifetime.
+ */
+ bt_put(event->event_class);
}
+ bt_put(event->event_header);
+ bt_put(event->context_payload);
+ bt_put(event->fields_payload);
g_free(event);
}
}
}
end:
- bt_ctf_field_type_put(field_type);
+ bt_put(field_type);
return ret;
}
event_class->frozen = 1;
bt_ctf_field_type_freeze(event_class->context);
bt_ctf_field_type_freeze(event_class->fields);
-}
-
-BT_HIDDEN
-int bt_ctf_event_class_set_stream_class(struct bt_ctf_event_class *event_class,
- struct bt_ctf_stream_class *stream_class)
-{
- int ret = 0;
-
- if (!event_class) {
- ret = -1;
- goto end;
- }
-
- /* Allow a NULL stream_class to unset the current stream_class */
- if (stream_class && event_class->stream_class) {
- ret = -1;
- goto end;
- }
-
- event_class->stream_class = stream_class;
- /*
- * We don't get() the stream_class since doing so would introduce
- * a circular ownership between event classes and stream classes.
- *
- * A stream class will always unset itself from its events before
- * being destroyed. This ensures that a user won't get a pointer
- * to a stale stream class instance from an event class.
- */
-end:
- return ret;
+ bt_ctf_attributes_freeze(event_class->attributes);
}
BT_HIDDEN
int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
struct metadata_context *context)
{
+ int i;
+ int count;
int ret = 0;
- int64_t stream_id;
+ struct bt_value *attr_value = NULL;
assert(event_class);
assert(context);
- stream_id = bt_ctf_stream_class_get_id(event_class->stream_class);
- if (stream_id < 0) {
+
+ context->current_indentation_level = 1;
+ g_string_assign(context->field_name, "");
+ g_string_append(context->string, "event {\n");
+ count = bt_ctf_event_class_get_attribute_count(event_class);
+
+ if (count < 0) {
ret = -1;
goto end;
}
- context->current_indentation_level = 1;
- g_string_assign(context->field_name, "");
- g_string_append_printf(context->string,
- "event {\n\tname = \"%s\";\n\tid = %u;\n\tstream_id = %" PRId64 ";\n",
- g_quark_to_string(event_class->name),
- event_class->id,
- stream_id);
+ for (i = 0; i < count; ++i) {
+ const char *attr_name = NULL;
+
+ attr_name = bt_ctf_event_class_get_attribute_name(
+ event_class, i);
+ attr_value = bt_ctf_event_class_get_attribute_value(
+ event_class, i);
+
+ if (!attr_name || !attr_value) {
+ ret = -1;
+ goto end;
+ }
+
+ switch (bt_value_get_type(attr_value)) {
+ case BT_VALUE_TYPE_INTEGER:
+ {
+ int64_t value;
+
+ ret = bt_value_integer_get(attr_value, &value);
+
+ if (ret) {
+ goto end;
+ }
+
+ g_string_append_printf(context->string,
+ "\t%s = %" PRId64 ";\n", attr_name, value);
+ break;
+ }
+
+ case BT_VALUE_TYPE_STRING:
+ {
+ const char *value;
+
+ ret = bt_value_string_get(attr_value, &value);
+
+ if (ret) {
+ goto end;
+ }
+
+ g_string_append_printf(context->string,
+ "\t%s = \"%s\";\n", attr_name, value);
+ break;
+ }
+
+ default:
+ /* should never happen */
+ assert(false);
+ break;
+ }
+
+ BT_PUT(attr_value);
+ }
if (event_class->context) {
g_string_append(context->string, "\tcontext := ");
g_string_append(context->string, "};\n\n");
end:
context->current_indentation_level = 0;
+ BT_PUT(attr_value);
return ret;
}
id_field = bt_ctf_field_structure_get_field(event->event_header, "id");
if (id_field) {
ret = set_integer_field_value(id_field,
- (uint64_t) event->event_class->id);
+ (uint64_t) bt_ctf_event_class_get_id(
+ event->event_class));
if (ret) {
goto end;
}
assert(timestamp_field_type);
mapped_clock = bt_ctf_field_type_integer_get_mapped_clock(
timestamp_field_type);
- bt_ctf_field_type_put(timestamp_field_type);
+ bt_put(timestamp_field_type);
if (mapped_clock) {
- uint64_t timestamp = bt_ctf_clock_get_time(
- mapped_clock);
+ int64_t timestamp;
- bt_ctf_clock_put(mapped_clock);
- if (timestamp == (uint64_t) -1ULL) {
+ ret = bt_ctf_clock_get_time(mapped_clock, ×tamp);
+ bt_put(mapped_clock);
+ if (ret) {
goto end;
}
}
}
end:
- if (id_field) {
- bt_ctf_field_put(id_field);
+ bt_put(id_field);
+ bt_put(timestamp_field);
+ return ret;
+}
+
+struct bt_ctf_event *bt_ctf_event_copy(struct bt_ctf_event *event)
+{
+ struct bt_ctf_event *copy = NULL;
+
+ if (!event) {
+ goto error;
}
- if (timestamp_field) {
- bt_ctf_field_put(timestamp_field);
+
+ copy = g_new0(struct bt_ctf_event, 1);
+ if (!copy) {
+ goto error;
}
- return ret;
+
+ bt_object_init(copy, bt_ctf_event_destroy);
+ copy->event_class = bt_get(event->event_class);
+
+ if (event->event_header) {
+ copy->event_header = bt_ctf_field_copy(event->event_header);
+
+ if (!copy->event_header) {
+ goto error;
+ }
+ }
+
+ if (event->context_payload) {
+ copy->context_payload = bt_ctf_field_copy(
+ event->context_payload);
+
+ if (!copy->context_payload) {
+ goto error;
+ }
+ }
+
+ if (event->fields_payload) {
+ copy->fields_payload = bt_ctf_field_copy(event->fields_payload);
+
+ if (!copy->fields_payload) {
+ goto error;
+ }
+ }
+
+ return copy;
+
+error:
+ BT_PUT(copy);
+ return copy;
}
projects / babeltrace.git / blobdiff