/*
* event.c
*
- * Babeltrace CTF Writer
+ * Babeltrace CTF IR - Event
*
- * Copyright 2013 EfficiOS Inc.
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
#include <babeltrace/ctf-ir/event-fields-internal.h>
#include <babeltrace/ctf-ir/event-types-internal.h>
#include <babeltrace/ctf-ir/event-internal.h>
-#include <babeltrace/ctf-writer/writer-internal.h>
+#include <babeltrace/ctf-ir/stream-class.h>
+#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 error;
+ }
+
+ event_class = g_new0(struct bt_ctf_event_class, 1);
+ if (!event_class) {
+ goto error;
+ }
+
+ bt_object_init(event_class, bt_ctf_event_class_destroy);
+ event_class->fields = bt_ctf_field_type_structure_create();
+ if (!event_class->fields) {
+ goto error;
+ }
+
+ 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;
+ }
+
+ 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)
+{
+ struct bt_value *obj = NULL;
+ int64_t ret = 0;
+
+ 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;
+ }
+
+end:
+ BT_PUT(obj);
+ return ret;
+}
+
+int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class,
+ 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;
+ }
+
+ 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.
+ */
+ 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_set(obj, id)) {
+ ret = -1;
+ goto end;
+ }
+
+end:
+ BT_PUT(obj);
+ BT_PUT(stream_class);
+ return ret;
+}
+
+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)
+{
+ 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;
+ }
+
+ ret = bt_ctf_attributes_get_field_value_by_name(event_class->attributes,
+ name);
+
+end:
+ 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(
+ struct bt_ctf_event_class *event_class)
+{
+ struct bt_ctf_field_type *payload = NULL;
+
+ if (!event_class) {
+ goto end;
+ }
+
+ bt_get(event_class->fields);
+ payload = event_class->fields;
+end:
+ return payload;
+}
+
+int bt_ctf_event_class_set_payload_type(struct bt_ctf_event_class *event_class,
+ struct bt_ctf_field_type *payload)
+{
+ int ret = 0;
+
+ if (!event_class || !payload ||
+ bt_ctf_field_type_get_type_id(payload) != CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_get(payload);
+ bt_put(event_class->fields);
+ event_class->fields = payload;
+end:
+ return ret;
+}
+
+int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class,
+ struct bt_ctf_field_type *type,
+ const char *name)
+{
+ int ret = 0;
+
+ if (!event_class || !type || bt_ctf_validate_identifier(name) ||
+ event_class->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_field_type_get_type_id(event_class->fields) !=
+ CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_add_field(event_class->fields,
+ type, name);
+end:
+ return ret;
+}
+
+int bt_ctf_event_class_get_field_count(
+ struct bt_ctf_event_class *event_class)
+{
+ int ret;
+
+ if (!event_class) {
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_field_type_get_type_id(event_class->fields) !=
+ CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_get_field_count(event_class->fields);
+end:
+ return ret;
+}
+
+int bt_ctf_event_class_get_field(struct bt_ctf_event_class *event_class,
+ const char **field_name, struct bt_ctf_field_type **field_type,
+ int index)
+{
+ int ret;
+
+ if (!event_class || index < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_field_type_get_type_id(event_class->fields) !=
+ CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = bt_ctf_field_type_structure_get_field(event_class->fields,
+ field_name, field_type, index);
+end:
+ return ret;
+}
+
+struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name(
+ struct bt_ctf_event_class *event_class, const char *name)
+{
+ GQuark name_quark;
+ struct bt_ctf_field_type *field_type = NULL;
+
+ if (!event_class || !name) {
+ goto end;
+ }
+
+ if (bt_ctf_field_type_get_type_id(event_class->fields) !=
+ CTF_TYPE_STRUCT) {
+ goto end;
+ }
+
+ name_quark = g_quark_try_string(name);
+ if (!name_quark) {
+ goto end;
+ }
+
+ /*
+ * No need to increment field_type's reference count since getting it
+ * from the structure already does.
+ */
+ field_type = bt_ctf_field_type_structure_get_field_type_by_name(
+ event_class->fields, name);
+end:
+ return field_type;
+}
+
+struct bt_ctf_field_type *bt_ctf_event_class_get_context_type(
+ struct bt_ctf_event_class *event_class)
+{
+ struct bt_ctf_field_type *context_type = NULL;
+
+ if (!event_class || !event_class->context) {
+ goto end;
+ }
+
+ bt_get(event_class->context);
+ context_type = event_class->context;
+end:
+ return context_type;
+}
+
+int bt_ctf_event_class_set_context_type(
+ struct bt_ctf_event_class *event_class,
+ struct bt_ctf_field_type *context)
+{
+ int ret = 0;
+
+ if (!event_class || !context || event_class->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_field_type_get_type_id(context) != CTF_TYPE_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ 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)
+{
+ bt_get(event_class);
+}
+
+void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class)
+{
+ 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;
+ }
+
+ 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 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 error;
+ }
-struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
+ bt_object_init(event, bt_ctf_event_destroy);
+ bt_ctf_event_class_freeze(event_class);
+ /*
+ * 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.
+ */
+ event->event_class = bt_get(event_class);
+
+ event->event_header = bt_ctf_field_create(
+ stream_class->event_header_type);
+ if (!event->event_header) {
+ goto error;
+ }
+ if (event_class->context) {
+ event->context_payload = bt_ctf_field_create(
+ event_class->context);
+ if (!event->context_payload) {
+ goto error;
+ }
+ }
+ event->fields_payload = bt_ctf_field_create(event_class->fields);
+ if (!event->fields_payload) {
+ goto error;
+ }
+
+ /*
+ * Freeze the stream class since the event header must not be changed
+ * anymore.
+ */
+ bt_ctf_stream_class_freeze(stream_class);
+ BT_PUT(stream_class);
+ return event;
+error:
+ BT_PUT(event);
+ BT_PUT(stream_class);
+ return event;
+}
+
+struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event)
{
struct bt_ctf_event_class *event_class = NULL;
- if (validate_identifier(name)) {
+ if (!event) {
goto end;
}
- event_class = g_new0(struct bt_ctf_event_class, 1);
+ event_class = event->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;
+ struct bt_ctf_event_class *event_class;
+ struct bt_ctf_stream_class *stream_class;
+
+ if (!event) {
+ goto end;
+ }
+
+ event_class = bt_ctf_event_get_class(event);
if (!event_class) {
goto end;
}
- bt_ctf_ref_init(&event_class->ref_count);
- event_class->name = g_quark_from_string(name);
+ stream_class = bt_ctf_event_class_get_stream_class(event_class);
+ if (!stream_class) {
+ goto error_put_event_class;
+ }
+
+ clock = bt_ctf_stream_class_get_clock(stream_class);
+ if (!clock) {
+ goto error_put_stream_class;
+ }
+
+error_put_stream_class:
+ bt_put(stream_class);
+error_put_event_class:
+ bt_put(event_class);
end:
- return event_class;
+ return clock;
}
-int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *type,
- const char *name)
+int bt_ctf_event_set_payload(struct bt_ctf_event *event,
+ const char *name,
+ struct bt_ctf_field *payload)
{
int ret = 0;
- if (!event_class || !type || validate_identifier(name) ||
- event_class->frozen) {
+ if (!event || !payload) {
ret = -1;
goto end;
}
- if (!event_class->fields) {
- event_class->fields = bt_ctf_field_type_structure_create();
- if (!event_class->fields) {
+ if (name) {
+ ret = bt_ctf_field_structure_set_field(event->fields_payload,
+ name, payload);
+ } else {
+ struct bt_ctf_field_type *payload_type;
+
+ payload_type = bt_ctf_field_get_type(payload);
+ if (payload_type == event->event_class->fields) {
+ bt_put(event->fields_payload);
+ bt_get(payload);
+ event->fields_payload = payload;
+ } else {
ret = -1;
- goto end;
}
- }
- ret = bt_ctf_field_type_structure_add_field(event_class->fields,
- type, name);
+ bt_put(payload_type);
+ }
end:
return ret;
}
-void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class)
+struct bt_ctf_field *bt_ctf_event_get_payload_field(struct bt_ctf_event *event)
{
- if (!event_class) {
- return;
- }
+ struct bt_ctf_field *payload = NULL;
- bt_ctf_ref_get(&event_class->ref_count);
-}
-
-void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class)
-{
- if (!event_class) {
- return;
+ if (!event || !event->fields_payload) {
+ goto end;
}
- bt_ctf_ref_put(&event_class->ref_count, bt_ctf_event_class_destroy);
+ payload = event->fields_payload;
+ bt_get(payload);
+end:
+ return payload;
}
-struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class)
+int bt_ctf_event_set_payload_field(struct bt_ctf_event *event,
+ struct bt_ctf_field *payload)
{
- struct bt_ctf_event *event = NULL;
+ int ret = 0;
+ struct bt_ctf_field_type *payload_type = NULL;
- if (!event_class) {
+ if (!event || !payload) {
+ ret = -1;
goto end;
}
- event = g_new0(struct bt_ctf_event, 1);
- if (!event) {
+ payload_type = bt_ctf_field_get_type(payload);
+ if (!payload_type) {
+ ret = -1;
goto end;
}
- bt_ctf_ref_init(&event->ref_count);
- bt_ctf_event_class_get(event_class);
- bt_ctf_event_class_freeze(event_class);
- event->event_class = event_class;
- event->context_payload = bt_ctf_field_create(event_class->context);
- event->fields_payload = bt_ctf_field_create(event_class->fields);
-end:
- return event;
-}
-
-int bt_ctf_event_set_payload(struct bt_ctf_event *event,
- const char *name,
- struct bt_ctf_field *value)
-{
- int ret = 0;
-
- if (!event || !value || validate_identifier(name)) {
+ if (bt_ctf_field_type_get_type_id(payload_type) != CTF_TYPE_STRUCT) {
ret = -1;
goto end;
}
- ret = bt_ctf_field_structure_set_field(event->fields_payload,
- name, value);
+ 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)
{
struct bt_ctf_field *field = NULL;
- if (!event || !name) {
+ if (!event) {
goto end;
}
- field = bt_ctf_field_structure_get_field(event->fields_payload, name);
+ if (name) {
+ field = bt_ctf_field_structure_get_field(event->fields_payload,
+ name);
+ } else {
+ field = event->fields_payload;
+ bt_get(field);
+ }
end:
return field;
}
-void bt_ctf_event_get(struct bt_ctf_event *event)
+struct bt_ctf_field *bt_ctf_event_get_payload_by_index(
+ struct bt_ctf_event *event, int index)
{
- if (!event) {
- return;
+ struct bt_ctf_field *field = NULL;
+
+ if (!event || index < 0) {
+ goto end;
}
- bt_ctf_ref_get(&event->ref_count);
+ field = bt_ctf_field_structure_get_field_by_index(event->fields_payload,
+ index);
+end:
+ return field;
}
-void bt_ctf_event_put(struct bt_ctf_event *event)
+struct bt_ctf_field *bt_ctf_event_get_header(
+ struct bt_ctf_event *event)
{
- if (!event) {
- return;
+ struct bt_ctf_field *header = NULL;
+
+ if (!event || !event->event_header) {
+ goto end;
}
- bt_ctf_ref_put(&event->ref_count, bt_ctf_event_destroy);
+ header = event->event_header;
+ bt_get(header);
+end:
+ return header;
}
-static
-void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref)
+int bt_ctf_event_set_header(struct bt_ctf_event *event,
+ struct bt_ctf_field *header)
{
- struct bt_ctf_event_class *event_class;
+ int ret = 0;
+ struct bt_ctf_field_type *field_type = NULL;
+ struct bt_ctf_stream_class *stream_class = NULL;
- if (!ref) {
- return;
+ if (!event || !header) {
+ ret = -1;
+ goto end;
}
- event_class = container_of(ref, struct bt_ctf_event_class, ref_count);
- bt_ctf_field_type_put(event_class->context);
- bt_ctf_field_type_put(event_class->fields);
- g_free(event_class);
+ 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 != stream_class->event_header_type) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_get(header);
+ bt_put(event->event_header);
+ event->event_header = header;
+end:
+ bt_put(stream_class);
+ bt_put(field_type);
+ return ret;
}
-static
-void bt_ctf_event_destroy(struct bt_ctf_ref *ref)
+struct bt_ctf_field *bt_ctf_event_get_event_context(
+ struct bt_ctf_event *event)
{
- struct bt_ctf_event *event;
+ struct bt_ctf_field *context = NULL;
- if (!ref) {
- return;
+ if (!event || !event->context_payload) {
+ goto end;
}
- event = container_of(ref, struct bt_ctf_event,
- ref_count);
- bt_ctf_event_class_put(event->event_class);
- bt_ctf_field_put(event->context_payload);
- bt_ctf_field_put(event->fields_payload);
- g_free(event);
-}
-
-BT_HIDDEN
-void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class)
-{
- assert(event_class);
- event_class->frozen = 1;
- bt_ctf_field_type_freeze(event_class->context);
- bt_ctf_field_type_freeze(event_class->fields);
+ context = event->context_payload;
+ bt_get(context);
+end:
+ return context;
}
-BT_HIDDEN
-int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class,
- uint32_t id)
+int bt_ctf_event_set_event_context(struct bt_ctf_event *event,
+ struct bt_ctf_field *context)
{
int ret = 0;
+ struct bt_ctf_field_type *field_type = NULL;
+
+ if (!event || !context) {
+ ret = -1;
+ goto end;
+ }
- if (event_class->id_set && id != event_class->id) {
+ field_type = bt_ctf_field_get_type(context);
+ if (field_type != event->event_class->context) {
ret = -1;
goto end;
}
- event_class->id = id;
- event_class->id_set = 1;
+ bt_get(context);
+ bt_put(event->context_payload);
+ event->context_payload = context;
end:
+ bt_put(field_type);
return ret;
}
-BT_HIDDEN
-uint32_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class)
+void bt_ctf_event_get(struct bt_ctf_event *event)
{
- assert(event_class);
- return event_class->id;
+ bt_get(event);
}
-BT_HIDDEN
-int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class,
- uint32_t id)
+void bt_ctf_event_put(struct bt_ctf_event *event)
+{
+ bt_put(event);
+}
+
+static
+void bt_ctf_event_class_destroy(struct bt_object *obj)
+{
+ struct bt_ctf_event_class *event_class;
+
+ /*
+ * Don't call put() on the stream class. See comment in
+ * bt_ctf_event_class_set_stream_class for explanation.
+ */
+ 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_object *obj)
+{
+ struct bt_ctf_event *event;
+
+ 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);
+}
+
+static
+int set_integer_field_value(struct bt_ctf_field* field, uint64_t value)
{
int ret = 0;
+ struct bt_ctf_field_type *field_type = NULL;
- assert(event_class);
- if (event_class->stream_id_set && id != event_class->stream_id) {
+ if (!field) {
ret = -1;
goto end;
}
- event_class->stream_id = id;
- event_class->stream_id_set = 1;
+ if (!bt_ctf_field_validate(field)) {
+ /* Payload already set, skip! (not an error) */
+ goto end;
+ }
+
+ field_type = bt_ctf_field_get_type(field);
+ assert(field_type);
+
+ if (bt_ctf_field_type_get_type_id(field_type) != CTF_TYPE_INTEGER) {
+ /* Not an integer and the value is unset, error. */
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_field_type_integer_get_signed(field_type)) {
+ ret = bt_ctf_field_signed_integer_set_value(field, (int64_t) value);
+ if (ret) {
+ /* Value is out of range, error. */
+ goto end;
+ }
+ } else {
+ ret = bt_ctf_field_unsigned_integer_set_value(field, value);
+ if (ret) {
+ /* Value is out of range, error. */
+ goto end;
+ }
+ }
end:
+ bt_put(field_type);
return ret;
}
+BT_HIDDEN
+void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class)
+{
+ assert(event_class);
+ event_class->frozen = 1;
+ bt_ctf_field_type_freeze(event_class->context);
+ bt_ctf_field_type_freeze(event_class->fields);
+ 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;
+ struct bt_value *attr_value = NULL;
assert(event_class);
assert(context);
+
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 = %" PRIu32 ";\n",
- g_quark_to_string(event_class->name),
- event_class->id,
- event_class->stream_id);
+ g_string_append(context->string, "event {\n");
+ count = bt_ctf_event_class_get_attribute_count(event_class);
+
+ if (count < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ 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;
}
+void bt_ctf_event_class_set_native_byte_order(
+ struct bt_ctf_event_class *event_class,
+ int byte_order)
+{
+ if (!event_class) {
+ return;
+ }
+
+ bt_ctf_field_type_set_native_byte_order(event_class->context,
+ byte_order);
+ bt_ctf_field_type_set_native_byte_order(event_class->fields,
+ byte_order);
+}
+
BT_HIDDEN
int bt_ctf_event_validate(struct bt_ctf_event *event)
{
int ret;
assert(event);
+ ret = bt_ctf_field_validate(event->event_header);
+ if (ret) {
+ goto end;
+ }
+
ret = bt_ctf_field_validate(event->fields_payload);
if (ret) {
goto end;
}
BT_HIDDEN
-int bt_ctf_event_set_timestamp(struct bt_ctf_event *event,
- uint64_t timestamp)
+int bt_ctf_event_populate_event_header(struct bt_ctf_event *event)
{
int ret = 0;
+ struct bt_ctf_field *id_field = NULL, *timestamp_field = NULL;
- assert(event);
- if (event->timestamp) {
+ if (!event) {
ret = -1;
goto end;
}
- event->timestamp = timestamp;
+ id_field = bt_ctf_field_structure_get_field(event->event_header, "id");
+ if (id_field) {
+ ret = set_integer_field_value(id_field,
+ (uint64_t) bt_ctf_event_class_get_id(
+ event->event_class));
+ if (ret) {
+ goto end;
+ }
+ }
+
+ timestamp_field = bt_ctf_field_structure_get_field(event->event_header,
+ "timestamp");
+ if (timestamp_field) {
+ struct bt_ctf_field_type *timestamp_field_type =
+ bt_ctf_field_get_type(timestamp_field);
+ struct bt_ctf_clock *mapped_clock;
+
+ assert(timestamp_field_type);
+ mapped_clock = bt_ctf_field_type_integer_get_mapped_clock(
+ timestamp_field_type);
+ bt_put(timestamp_field_type);
+ if (mapped_clock) {
+ int64_t timestamp;
+
+ ret = bt_ctf_clock_get_time(mapped_clock, ×tamp);
+ bt_put(mapped_clock);
+ if (ret) {
+ goto end;
+ }
+
+ ret = set_integer_field_value(timestamp_field,
+ timestamp);
+ if (ret) {
+ goto end;
+ }
+ }
+ }
end:
+ bt_put(id_field);
+ bt_put(timestamp_field);
return ret;
}
-BT_HIDDEN
-uint64_t bt_ctf_event_get_timestamp(struct bt_ctf_event *event)
+struct bt_ctf_event *bt_ctf_event_copy(struct bt_ctf_event *event)
{
- assert(event);
- return event->timestamp;
+ struct bt_ctf_event *copy = NULL;
+
+ if (!event) {
+ goto error;
+ }
+
+ copy = g_new0(struct bt_ctf_event, 1);
+ if (!copy) {
+ goto error;
+ }
+
+ 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