#include <babeltrace/ctf-ir/fields-internal.h>
#include <babeltrace/ctf-ir/field-types.h>
#include <babeltrace/ctf-ir/event.h>
+#include <babeltrace/ctf-ir/event-class.h>
#include <babeltrace/ctf-ir/clock-internal.h>
#include <babeltrace/iterator.h>
#include <glib.h>
attributes.c \
clock.c \
event.c \
+ event-class.c \
fields.c \
field-types.c \
field-path.c \
--- /dev/null
+/*
+ * event-class.c
+ *
+ * Babeltrace CTF IR - Event class
+ *
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-ir/fields-internal.h>
+#include <babeltrace/ctf-ir/field-types-internal.h>
+#include <babeltrace/ctf-ir/event-class.h>
+#include <babeltrace/ctf-ir/event-class-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/validation-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_object *obj);
+
+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) !=
+ BT_CTF_TYPE_ID_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) !=
+ BT_CTF_TYPE_ID_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) !=
+ BT_CTF_TYPE_ID_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) !=
+ BT_CTF_TYPE_ID_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) !=
+ BT_CTF_TYPE_ID_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) != BT_CTF_TYPE_ID_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);
+
+ if (event_class->frozen) {
+ bt_ctf_attributes_freeze(event_class->attributes);
+ }
+
+end:
+ BT_PUT(obj);
+ return ret;
+}
+
+static
+void bt_ctf_event_class_destroy(struct bt_object *obj)
+{
+ struct bt_ctf_event_class *event_class;
+
+ 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);
+}
+
+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(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 := ");
+ ret = bt_ctf_field_type_serialize(event_class->context,
+ context);
+ if (ret) {
+ goto end;
+ }
+ g_string_append(context->string, ";\n");
+ }
+
+ if (event_class->fields) {
+ g_string_append(context->string, "\tfields := ");
+ ret = bt_ctf_field_type_serialize(event_class->fields, context);
+ if (ret) {
+ goto end;
+ }
+ g_string_append(context->string, ";\n");
+ }
+
+ 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;
+ }
+
+ assert(byte_order == 0 || byte_order == LITTLE_ENDIAN ||
+ byte_order == BIG_ENDIAN);
+
+ 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);
+}
#include <babeltrace/ctf-ir/fields-internal.h>
#include <babeltrace/ctf-ir/field-types-internal.h>
#include <babeltrace/ctf-ir/event-internal.h>
+#include <babeltrace/ctf-ir/event-class.h>
+#include <babeltrace/ctf-ir/event-class-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/attributes-internal.h>
#include <babeltrace/compiler.h>
-static
-void bt_ctf_event_class_destroy(struct bt_object *obj);
static
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) !=
- BT_CTF_TYPE_ID_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) !=
- BT_CTF_TYPE_ID_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) !=
- BT_CTF_TYPE_ID_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) !=
- BT_CTF_TYPE_ID_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) !=
- BT_CTF_TYPE_ID_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) != BT_CTF_TYPE_ID_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);
-
- if (event_class->frozen) {
- bt_ctf_attributes_freeze(event_class->attributes);
- }
-
-end:
- BT_PUT(obj);
- return ret;
-}
-
struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class)
{
int ret;
bt_put(event);
}
-static
-void bt_ctf_event_class_destroy(struct bt_object *obj)
-{
- struct bt_ctf_event_class *event_class;
-
- 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;
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(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 := ");
- ret = bt_ctf_field_type_serialize(event_class->context,
- context);
- if (ret) {
- goto end;
- }
- g_string_append(context->string, ";\n");
- }
-
- if (event_class->fields) {
- g_string_append(context->string, "\tfields := ");
- ret = bt_ctf_field_type_serialize(event_class->fields, context);
- if (ret) {
- goto end;
- }
- g_string_append(context->string, ";\n");
- }
-
- 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;
- }
-
- assert(byte_order == 0 || byte_order == LITTLE_ENDIAN ||
- byte_order == BIG_ENDIAN);
-
- 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)
{
#include <babeltrace/ctf-writer/clock.h>
#include <babeltrace/ctf-ir/clock-internal.h>
#include <babeltrace/ctf-writer/event.h>
+#include <babeltrace/ctf-ir/event-class-internal.h>
#include <babeltrace/ctf-ir/event-internal.h>
#include <babeltrace/ctf-ir/field-types-internal.h>
#include <babeltrace/ctf-ir/fields-internal.h>
#include <babeltrace/ctf-ir/stream-internal.h>
#include <babeltrace/ctf-ir/stream-class-internal.h>
#include <babeltrace/ctf-ir/event-internal.h>
+#include <babeltrace/ctf-ir/event-class.h>
+#include <babeltrace/ctf-ir/event-class-internal.h>
#include <babeltrace/ctf-writer/functor-internal.h>
#include <babeltrace/ctf-ir/field-types-internal.h>
#include <babeltrace/ctf-ir/attributes-internal.h>
#include <babeltrace/ctf-ir/resolve-internal.h>
#include <babeltrace/ctf-ir/trace-internal.h>
#include <babeltrace/ctf-ir/stream-class-internal.h>
-#include <babeltrace/ctf-ir/event-internal.h>
#include <babeltrace/ctf-ir/field-types-internal.h>
+#include <babeltrace/ctf-ir/event-class-internal.h>
#include <babeltrace/values.h>
#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/ref.h>
babeltrace/ctf-ir/fields.h \
babeltrace/ctf-ir/field-types.h \
babeltrace/ctf-ir/event.h \
+ babeltrace/ctf-ir/event-class.h \
babeltrace/ctf-ir/field-path.h \
babeltrace/ctf-ir/stream.h \
babeltrace/ctf-ir/stream-class.h \
babeltrace/ctf-ir/field-types-internal.h \
babeltrace/ctf-ir/fields-internal.h \
babeltrace/ctf-ir/event-internal.h \
+ babeltrace/ctf-ir/event-class-internal.h \
babeltrace/ctf-ir/field-path-internal.h \
babeltrace/ctf-ir/clock-internal.h \
babeltrace/ctf-ir/resolve-internal.h \
--- /dev/null
+#ifndef BABELTRACE_CTF_IR_EVENT_CLASS_INTERNAL_H
+#define BABELTRACE_CTF_IR_EVENT_CLASS_INTERNAL_H
+
+/*
+ * Babeltrace - CTF IR: Event class internal
+ *
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/ctf-ir/field-types.h>
+#include <babeltrace/ctf-ir/fields.h>
+#include <babeltrace/babeltrace-internal.h>
+#include <babeltrace/values.h>
+#include <babeltrace/ctf/types.h>
+#include <babeltrace/ctf-ir/stream-class.h>
+#include <babeltrace/ctf-ir/stream.h>
+#include <babeltrace/object-internal.h>
+#include <glib.h>
+
+#define BT_CTF_EVENT_CLASS_ATTR_ID_INDEX 0
+#define BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX 1
+
+struct bt_ctf_event_class {
+ struct bt_object base;
+ struct bt_value *attributes;
+ /* Structure type containing the event's context */
+ struct bt_ctf_field_type *context;
+ /* Structure type containing the event's fields */
+ struct bt_ctf_field_type *fields;
+ int frozen;
+
+ /*
+ * This flag indicates if the event class is valid. A valid
+ * event class is _always_ frozen. However, an event class
+ * may be frozen, but not valid yet. This is okay, as long as
+ * no events are created out of this event class.
+ */
+ int valid;
+};
+
+BT_HIDDEN
+void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class);
+
+BT_HIDDEN
+int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
+ struct metadata_context *context);
+
+BT_HIDDEN
+void bt_ctf_event_class_set_native_byte_order(
+ struct bt_ctf_event_class *event_class,
+ int byte_order);
+
+BT_HIDDEN
+int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class,
+ uint32_t stream_id);
+
+#endif /* BABELTRACE_CTF_IR_EVENT_CLASS_INTERNAL_H */
--- /dev/null
+#ifndef BABELTRACE_CTF_IR_EVENT_CLASS_H
+#define BABELTRACE_CTF_IR_EVENT_CLASS_H
+
+/*
+ * BabelTrace - CTF IR: Event class
+ *
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The Common Trace Format (CTF) Specification is available at
+ * http://www.efficios.com/ctf
+ */
+
+#include <stdint.h>
+#include <stddef.h>
+#include <babeltrace/values.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct bt_ctf_event_class;
+struct bt_ctf_field;
+struct bt_ctf_field_type;
+struct bt_ctf_stream_class;
+
+/*
+ * bt_ctf_event_class_create: create an event class.
+ *
+ * Allocate a new event class of the given name. The creation of an event class
+ * sets its reference count to 1. A unique event id is automatically assigned
+ * to the event class.
+ *
+ * @param name Event class name (will be copied).
+ *
+ * Returns an allocated event class on success, NULL on error.
+ */
+extern struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name);
+
+/*
+ * bt_ctf_event_class_get_name: Get an event class' name.
+ *
+ * @param event_class Event class.
+ *
+ * Returns the event class' name, NULL on error.
+ */
+extern const char *bt_ctf_event_class_get_name(
+ struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_class_get_id: Get an event class' id.
+ *
+ * @param event_class Event class.
+ *
+ * Returns the event class' id, a negative value on error.
+ */
+extern int64_t bt_ctf_event_class_get_id(
+ struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_class_set_id: Set an event class' id.
+ *
+ * Set an event class' id. Must be unique stream-wise.
+ * Note that event classes are already assigned a unique id when added to a
+ * stream class if none was set explicitly.
+ *
+ * @param event_class Event class.
+ * @param id Event class id.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_event_class_set_id(
+ struct bt_ctf_event_class *event_class, uint32_t id);
+
+/*
+ * bt_ctf_event_class_set_attribute: sets an attribute to the event
+ * class.
+ *
+ * Sets an attribute to the event class. The name parameter is copied,
+ * whereas the value parameter's reference count is incremented
+ * (if the function succeeds).
+ *
+ * If an attribute exists in the event class for the specified name, it
+ * is replaced by the new value.
+ *
+ * Valid attributes and object types are:
+ *
+ * - "id": integer object with a value >= 0
+ * - "name": string object
+ * - "loglevel": integer object with a value >= 0
+ * - "model.emf.uri": string object
+ *
+ * @param event_class Event class.
+ * @param name Name of the attribute (will be copied).
+ * @param value Value of the attribute.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_event_class_set_attribute(
+ struct bt_ctf_event_class *event_class, const char *name,
+ struct bt_value *value);
+
+/*
+ * bt_ctf_event_class_get_attribute_count: get the number of attributes
+ * in this event class.
+ *
+ * Get the event class' attribute count.
+ *
+ * @param event_class Event class.
+ *
+ * Returns the attribute count, a negative value on error.
+ */
+extern int bt_ctf_event_class_get_attribute_count(
+ struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_class_get_attribute_name: get attribute name.
+ *
+ * Get an attribute's name. The string's ownership is not
+ * transferred to the caller. The string data is valid as long as
+ * this event class' attributes are not modified.
+ *
+ * @param event_class Event class.
+ * @param index Index of the attribute.
+ *
+ * Returns the attribute's name, NULL on error.
+ */
+extern const char *
+bt_ctf_event_class_get_attribute_name(
+ struct bt_ctf_event_class *event_class, int index);
+
+/*
+ * bt_ctf_event_class_get_attribute_value: get attribute value (an object).
+ *
+ * Get an attribute's value (an object). The returned object's
+ * reference count is incremented. When done with the object, the caller
+ * must call bt_value_put() on it.
+ *
+ * @param event_class Event class.
+ * @param index Index of the attribute.
+ *
+ * Returns the attribute's object value, NULL on error.
+ */
+extern struct bt_value *
+bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class,
+ int index);
+
+/*
+ * bt_ctf_event_class_get_attribute_value_by_name: get attribute
+ * value (an object) by name.
+ *
+ * Get an attribute's value (an object) by its name. The returned object's
+ * reference count is incremented. When done with the object, the caller
+ * must call bt_value_put() on it.
+ *
+ * @param event_class Event class.
+ * @param name Attribute's name
+ *
+ * Returns the attribute's object value, NULL on error.
+ */
+extern struct bt_value *
+bt_ctf_event_class_get_attribute_value_by_name(
+ struct bt_ctf_event_class *event_class, const char *name);
+
+/*
+ * bt_ctf_event_class_get_stream_class: Get an event class' stream class.
+ *
+ * @param event_class Event class.
+ *
+ * Returns the event class' stream class, NULL on error or if the event class
+ * is not associated with a stream class.
+ */
+extern struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class(
+ struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_class_get_payload_type: get an event class' payload.
+ *
+ * Get an event class' payload type.
+ *
+ * @param event_class Event class.
+ *
+ * Returns the event class' payload, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type(
+ struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_class_set_payload_type: set an event class' payload.
+ *
+ * Set an event class' payload type.
+ *
+ * @param event_class Event class.
+ * @param payload The payload's type (must be a structure).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_event_class_set_payload_type(
+ struct bt_ctf_event_class *event_class,
+ struct bt_ctf_field_type *payload);
+
+/*
+ * bt_ctf_event_class_add_field: add a field to an event class.
+ *
+ * Add a field of type "type" to the event class. The event class will share
+ * type's ownership by increasing its reference count. The "name" will be
+ * copied.
+ *
+ * @param event_class Event class.
+ * @param type Field type to add to the event class.
+ * @param name Name of the new field.
+ *
+ * Returns 0 on success, a negative value on error.
+ *
+ * Note: Returns an error if the payload is not a structure.
+ */
+extern int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class,
+ struct bt_ctf_field_type *type,
+ const char *name);
+
+/*
+ * bt_ctf_event_class_get_field_count: Get an event class' field count.
+ *
+ * @param event_class Event class.
+ *
+ * Returns the event class' field count, a negative value on error.
+ *
+ * Note: Returns an error if the payload is not a structure.
+ */
+extern int bt_ctf_event_class_get_field_count(
+ struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_class_get_field: Get event class' field type and name by index.
+ *
+ * @param event_class Event class.
+ * @param field_name Pointer to a const char* where the field's name will
+ * be returned.
+ * @param field_type Pointer to a bt_ctf_field_type* where the field's type will
+ * be returned.
+ * @param index Index of field.
+ *
+ * Returns 0 on success, a negative error on value.
+ *
+ * Note: Returns an error if the payload is not a structure.
+ */
+extern 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);
+
+/*
+ * bt_ctf_event_class_get_field_type_by_name: Get an event class's field by name
+ *
+ * @param event_class Event class.
+ * @param name Name of the field.
+ *
+ * Returns a field type on success, NULL on error.
+ *
+ * Note: Returns an error if the payload is not a structure.
+ */
+extern struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name(
+ struct bt_ctf_event_class *event_class, const char *name);
+
+/*
+ * bt_ctf_event_class_get_context_type: Get an event class's context type
+ *
+ * @param event_class Event class.
+ *
+ * Returns a field type (a structure) on success, NULL on error.
+ */
+extern struct bt_ctf_field_type *bt_ctf_event_class_get_context_type(
+ struct bt_ctf_event_class *event_class);
+
+/*
+ * bt_ctf_event_class_set_context_type: Set an event class's context type
+ *
+ * @param event_class Event class.
+ * @param context Event context field type (must be a structure).
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+extern int bt_ctf_event_class_set_context_type(
+ struct bt_ctf_event_class *event_class,
+ struct bt_ctf_field_type *context);
+
+/*
+ * bt_ctf_event_class_get and bt_ctf_event_class_put: increment and decrement
+ * the event class' reference count.
+ *
+ * You may also use bt_ctf_get() and bt_ctf_put() with event class objects.
+ *
+ * These functions ensure that the event class won't be destroyed while it
+ * is in use. The same number of get and put (plus one extra put to
+ * release the initial reference done at creation) have to be done to
+ * destroy an event class.
+ *
+ * When the event class' reference count is decremented to 0 by a
+ * bt_ctf_event_class_put, the event class is freed.
+ *
+ * @param event_class Event class.
+ */
+extern void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class);
+extern void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BABELTRACE_CTF_IR_EVENT_CLASS_H */
#define BABELTRACE_CTF_IR_EVENT_INTERNAL_H
/*
- * BabelTrace - CTF IR: Event internal
+ * Babeltrace - CTF IR: Event internal
*
* Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
#include <babeltrace/object-internal.h>
#include <glib.h>
-#define BT_CTF_EVENT_CLASS_ATTR_ID_INDEX 0
-#define BT_CTF_EVENT_CLASS_ATTR_NAME_INDEX 1
-
-struct bt_ctf_event_class {
- struct bt_object base;
- struct bt_value *attributes;
- /* Structure type containing the event's context */
- struct bt_ctf_field_type *context;
- /* Structure type containing the event's fields */
- struct bt_ctf_field_type *fields;
- int frozen;
-
- /*
- * This flag indicates if the event class is valid. A valid
- * event class is _always_ frozen. However, an event class
- * may be frozen, but not valid yet. This is okay, as long as
- * no events are created out of this event class.
- */
- int valid;
-};
-
struct bt_ctf_event {
struct bt_object base;
struct bt_ctf_event_class *event_class;
struct bt_ctf_field *fields_payload;
};
-BT_HIDDEN
-void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class);
-
-BT_HIDDEN
-int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
- struct metadata_context *context);
-
-BT_HIDDEN
-void bt_ctf_event_class_set_native_byte_order(
- struct bt_ctf_event_class *event_class,
- int byte_order);
-
-BT_HIDDEN
-int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class,
- uint32_t stream_id);
-
BT_HIDDEN
int bt_ctf_event_validate(struct bt_ctf_event *event);
struct bt_ctf_field_type;
struct bt_ctf_stream_class;
-/*
- * bt_ctf_event_class_create: create an event class.
- *
- * Allocate a new event class of the given name. The creation of an event class
- * sets its reference count to 1. A unique event id is automatically assigned
- * to the event class.
- *
- * @param name Event class name (will be copied).
- *
- * Returns an allocated event class on success, NULL on error.
- */
-extern struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name);
-
-/*
- * bt_ctf_event_class_get_name: Get an event class' name.
- *
- * @param event_class Event class.
- *
- * Returns the event class' name, NULL on error.
- */
-extern const char *bt_ctf_event_class_get_name(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_class_get_id: Get an event class' id.
- *
- * @param event_class Event class.
- *
- * Returns the event class' id, a negative value on error.
- */
-extern int64_t bt_ctf_event_class_get_id(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_class_set_id: Set an event class' id.
- *
- * Set an event class' id. Must be unique stream-wise.
- * Note that event classes are already assigned a unique id when added to a
- * stream class if none was set explicitly.
- *
- * @param event_class Event class.
- * @param id Event class id.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_class_set_id(
- struct bt_ctf_event_class *event_class, uint32_t id);
-
-/*
- * bt_ctf_event_class_set_attribute: sets an attribute to the event
- * class.
- *
- * Sets an attribute to the event class. The name parameter is copied,
- * whereas the value parameter's reference count is incremented
- * (if the function succeeds).
- *
- * If an attribute exists in the event class for the specified name, it
- * is replaced by the new value.
- *
- * Valid attributes and object types are:
- *
- * - "id": integer object with a value >= 0
- * - "name": string object
- * - "loglevel": integer object with a value >= 0
- * - "model.emf.uri": string object
- *
- * @param event_class Event class.
- * @param name Name of the attribute (will be copied).
- * @param value Value of the attribute.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_class_set_attribute(
- struct bt_ctf_event_class *event_class, const char *name,
- struct bt_value *value);
-
-/*
- * bt_ctf_event_class_get_attribute_count: get the number of attributes
- * in this event class.
- *
- * Get the event class' attribute count.
- *
- * @param event_class Event class.
- *
- * Returns the attribute count, a negative value on error.
- */
-extern int bt_ctf_event_class_get_attribute_count(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_class_get_attribute_name: get attribute name.
- *
- * Get an attribute's name. The string's ownership is not
- * transferred to the caller. The string data is valid as long as
- * this event class' attributes are not modified.
- *
- * @param event_class Event class.
- * @param index Index of the attribute.
- *
- * Returns the attribute's name, NULL on error.
- */
-extern const char *
-bt_ctf_event_class_get_attribute_name(
- struct bt_ctf_event_class *event_class, int index);
-
-/*
- * bt_ctf_event_class_get_attribute_value: get attribute value (an object).
- *
- * Get an attribute's value (an object). The returned object's
- * reference count is incremented. When done with the object, the caller
- * must call bt_value_put() on it.
- *
- * @param event_class Event class.
- * @param index Index of the attribute.
- *
- * Returns the attribute's object value, NULL on error.
- */
-extern struct bt_value *
-bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class,
- int index);
-
-/*
- * bt_ctf_event_class_get_attribute_value_by_name: get attribute
- * value (an object) by name.
- *
- * Get an attribute's value (an object) by its name. The returned object's
- * reference count is incremented. When done with the object, the caller
- * must call bt_value_put() on it.
- *
- * @param event_class Event class.
- * @param name Attribute's name
- *
- * Returns the attribute's object value, NULL on error.
- */
-extern struct bt_value *
-bt_ctf_event_class_get_attribute_value_by_name(
- struct bt_ctf_event_class *event_class, const char *name);
-
-/*
- * bt_ctf_event_class_get_stream_class: Get an event class' stream class.
- *
- * @param event_class Event class.
- *
- * Returns the event class' stream class, NULL on error or if the event class
- * is not associated with a stream class.
- */
-extern struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_class_get_payload_type: get an event class' payload.
- *
- * Get an event class' payload type.
- *
- * @param event_class Event class.
- *
- * Returns the event class' payload, NULL on error.
- */
-extern struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_class_set_payload_type: set an event class' payload.
- *
- * Set an event class' payload type.
- *
- * @param event_class Event class.
- * @param payload The payload's type (must be a structure).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_class_set_payload_type(
- struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *payload);
-
-/*
- * bt_ctf_event_class_add_field: add a field to an event class.
- *
- * Add a field of type "type" to the event class. The event class will share
- * type's ownership by increasing its reference count. The "name" will be
- * copied.
- *
- * @param event_class Event class.
- * @param type Field type to add to the event class.
- * @param name Name of the new field.
- *
- * Returns 0 on success, a negative value on error.
- *
- * Note: Returns an error if the payload is not a structure.
- */
-extern int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *type,
- const char *name);
-
-/*
- * bt_ctf_event_class_get_field_count: Get an event class' field count.
- *
- * @param event_class Event class.
- *
- * Returns the event class' field count, a negative value on error.
- *
- * Note: Returns an error if the payload is not a structure.
- */
-extern int bt_ctf_event_class_get_field_count(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_class_get_field: Get event class' field type and name by index.
- *
- * @param event_class Event class.
- * @param field_name Pointer to a const char* where the field's name will
- * be returned.
- * @param field_type Pointer to a bt_ctf_field_type* where the field's type will
- * be returned.
- * @param index Index of field.
- *
- * Returns 0 on success, a negative error on value.
- *
- * Note: Returns an error if the payload is not a structure.
- */
-extern 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);
-
-/*
- * bt_ctf_event_class_get_field_type_by_name: Get an event class's field by name
- *
- * @param event_class Event class.
- * @param name Name of the field.
- *
- * Returns a field type on success, NULL on error.
- *
- * Note: Returns an error if the payload is not a structure.
- */
-extern struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name(
- struct bt_ctf_event_class *event_class, const char *name);
-
-/*
- * bt_ctf_event_class_get_context_type: Get an event class's context type
- *
- * @param event_class Event class.
- *
- * Returns a field type (a structure) on success, NULL on error.
- */
-extern struct bt_ctf_field_type *bt_ctf_event_class_get_context_type(
- struct bt_ctf_event_class *event_class);
-
-/*
- * bt_ctf_event_class_set_context_type: Set an event class's context type
- *
- * @param event_class Event class.
- * @param context Event context field type (must be a structure).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_event_class_set_context_type(
- struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *context);
-
-/*
- * bt_ctf_event_class_get and bt_ctf_event_class_put: increment and decrement
- * the event class' reference count.
- *
- * You may also use bt_ctf_get() and bt_ctf_put() with event class objects.
- *
- * These functions ensure that the event class won't be destroyed while it
- * is in use. The same number of get and put (plus one extra put to
- * release the initial reference done at creation) have to be done to
- * destroy an event class.
- *
- * When the event class' reference count is decremented to 0 by a
- * bt_ctf_event_class_put, the event class is freed.
- *
- * @param event_class Event class.
- */
-extern void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class);
-extern void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class);
-
/*
* bt_ctf_event_create: instanciate an event.
*
* http://www.efficios.com/ctf
*/
+#include <babeltrace/ctf-ir/event-class.h>
#include <babeltrace/ctf-ir/event.h>
#include <babeltrace/ctf-ir/field-types.h>
#include <babeltrace/ctf-ir/field-path.h>
#include <babeltrace/ctf-ir/event.h>
+#include <babeltrace/ctf-ir/event-class.h>
#include <babeltrace/ctf-ir/stream-class.h>
#include <babeltrace/ctf-ir/trace.h>
#include <assert.h>
#include <babeltrace/ctf-ir/stream-class.h>
#include <babeltrace/ctf-ir/stream.h>
#include <babeltrace/ctf-ir/event.h>
+#include <babeltrace/ctf-ir/event-class.h>
#include <babeltrace/object-internal.h>
#include <assert.h>
projects / babeltrace.git / commitdiff
