* SOFTWARE.
*/
+#define BT_LOG_TAG "EVENT-CLASS"
+#include <babeltrace/lib-logging-internal.h>
+
+#include <babeltrace/assert-pre-internal.h>
+#include <babeltrace/ctf-ir/clock-value-internal.h>
#include <babeltrace/ctf-ir/fields-internal.h>
+#include <babeltrace/ctf-ir/field-types.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/event-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/ctf-ir/utils-internal.h>
+#include <babeltrace/ctf-ir/resolve-field-path-internal.h>
#include <babeltrace/ref.h>
#include <babeltrace/ctf-ir/attributes-internal.h>
-#include <babeltrace/compiler.h>
-#include <babeltrace/endian.h>
+#include <babeltrace/compiler-internal.h>
+#include <babeltrace/endian-internal.h>
+#include <babeltrace/types.h>
+#include <babeltrace/values-internal.h>
+#include <babeltrace/assert-internal.h>
#include <inttypes.h>
+#include <stdlib.h>
-static
-void bt_ctf_event_class_destroy(struct bt_object *obj);
+#define BT_ASSERT_PRE_EVENT_CLASS_HOT(_ec) \
+ BT_ASSERT_PRE_HOT((_ec), "Event class", ": %!+E", (_ec))
-struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
+static
+void destroy_event_class(struct bt_object *obj)
{
- 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;
- }
+ struct bt_event_class *event_class = (void *) obj;
- event_class->id = -1;
- 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;
- }
+ BT_LIB_LOGD("Destroying event class: %!+E", event_class);
- event_class->attributes = bt_ctf_attributes_create();
- if (!event_class->attributes) {
- goto error;
+ if (event_class->name.str) {
+ g_string_free(event_class->name.str, TRUE);
}
- obj = bt_value_integer_create_init(-1);
- if (!obj) {
- goto error;
+ if (event_class->emf_uri.str) {
+ g_string_free(event_class->emf_uri.str, TRUE);
}
- 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;
+ BT_LOGD_STR("Putting context field type.");
+ bt_put(event_class->specific_context_ft);
+ BT_LOGD_STR("Putting payload field type.");
+ bt_put(event_class->payload_ft);
+ bt_object_pool_finalize(&event_class->event_pool);
+ g_free(obj);
}
-const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class)
+static
+void free_event(struct bt_event *event,
+ struct bt_event_class *event_class)
{
- struct bt_value *obj = NULL;
- const char *name = NULL;
-
- if (!event_class) {
- goto end;
- }
-
- if (event_class->name) {
- name = event_class->name;
- 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;
+ bt_event_destroy(event);
}
-int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class)
+BT_ASSERT_PRE_FUNC
+static
+bool event_class_id_is_unique(struct bt_stream_class *stream_class, uint64_t id)
{
- struct bt_value *obj = NULL;
- int64_t ret = 0;
+ uint64_t i;
+ bool is_unique = true;
- if (!event_class) {
- ret = -1;
- goto end;
- }
+ for (i = 0; i < stream_class->event_classes->len; i++) {
+ struct bt_event_class *ec =
+ stream_class->event_classes->pdata[i];
- if (event_class->id >= 0) {
- ret = event_class->id;
- 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;
+ if (ec->id == id) {
+ is_unique = false;
+ goto end;
+ }
}
end:
- BT_PUT(obj);
- return ret;
+ return is_unique;
}
-int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class,
- uint32_t id)
+static
+struct bt_event_class *create_event_class_with_id(
+ struct bt_stream_class *stream_class, uint64_t id)
{
- int ret = 0;
- struct bt_value *obj = NULL;
- struct bt_ctf_stream_class *stream_class = NULL;
-
-
+ int ret;
+ struct bt_event_class *event_class;
+
+ BT_ASSERT(stream_class);
+ BT_ASSERT_PRE(event_class_id_is_unique(stream_class, id),
+ "Duplicate event class ID: %![sc-]+S, id=%" PRIu64,
+ stream_class, id);
+ BT_LIB_LOGD("Creating event class object: %![sc-]+S, id=%" PRIu64,
+ stream_class, id);
+ event_class = g_new0(struct bt_event_class, 1);
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;
+ BT_LOGE_STR("Failed to allocate one event class.");
+ goto error;
}
- if (bt_value_integer_set(obj, id)) {
+ bt_object_init_shared_with_parent(&event_class->base,
+ destroy_event_class);
+ event_class->id = id;
+ bt_property_uint_init(&event_class->log_level,
+ BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE, 0);
+ event_class->name.str = g_string_new(NULL);
+ if (!event_class->name.str) {
+ BT_LOGE_STR("Failed to allocate a GString.");
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) {
+ event_class->emf_uri.str = g_string_new(NULL);
+ if (!event_class->emf_uri.str) {
+ BT_LOGE_STR("Failed to allocate a GString.");
ret = -1;
goto end;
}
- if (!strcmp(name, "id") || !strcmp(name, "loglevel") ||
- !strcmp(name, "stream_id")) {
- if (!bt_value_is_integer(value)) {
- ret = -1;
- goto end;
- }
- } else if (!strcmp(name, "name") || !strcmp(name, "model.emf.uri") ||
- !strcmp(name, "loglevel_string")) {
- if (!bt_value_is_string(value)) {
- ret = -1;
- goto end;
- }
- } else {
- /* unknown attribute */
- ret = -1;
- goto end;
+ ret = bt_object_pool_initialize(&event_class->event_pool,
+ (bt_object_pool_new_object_func) bt_event_new,
+ (bt_object_pool_destroy_object_func) free_event,
+ event_class);
+ if (ret) {
+ BT_LOGE("Failed to initialize event pool: ret=%d",
+ ret);
+ goto error;
}
- /* "id" special case: >= 0 */
- if (!strcmp(name, "id")) {
- int64_t val;
-
- ret = bt_value_integer_get(value, &val);
+ bt_object_set_parent(&event_class->base, &stream_class->base);
+ g_ptr_array_add(stream_class->event_classes, event_class);
+ bt_stream_class_freeze(stream_class);
+ BT_LIB_LOGD("Created event class object: %!+E", event_class);
+ goto end;
- if (ret) {
- goto end;
- }
-
- if (val < 0) {
- ret = -1;
- goto end;
- }
- }
-
- ret = bt_ctf_attributes_set_field_value(event_class->attributes,
- name, value);
+error:
+ BT_PUT(event_class);
end:
- return ret;
+ return event_class;
}
-int bt_ctf_event_class_get_attribute_count(
- struct bt_ctf_event_class *event_class)
+struct bt_event_class *bt_event_class_create(
+ struct bt_stream_class *stream_class)
{
- int ret = 0;
-
- if (!event_class) {
- ret = -1;
- goto end;
- }
-
- ret = bt_ctf_attributes_get_count(event_class->attributes);
-
-end:
- return ret;
+ BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+ BT_ASSERT_PRE(stream_class->assigns_automatic_event_class_id,
+ "Stream class does not automatically assigns event class IDs: "
+ "%![sc-]+S", stream_class);
+ return create_event_class_with_id(stream_class,
+ (uint64_t) stream_class->event_classes->len);
}
-const char *
-bt_ctf_event_class_get_attribute_name(
- struct bt_ctf_event_class *event_class, int index)
+struct bt_event_class *bt_event_class_create_with_id(
+ struct bt_stream_class *stream_class, uint64_t id)
{
- const char *ret;
-
- if (!event_class) {
- ret = NULL;
- goto end;
- }
-
- ret = bt_ctf_attributes_get_field_name(event_class->attributes, index);
-
-end:
- return ret;
+ BT_ASSERT_PRE(!stream_class->assigns_automatic_event_class_id,
+ "Stream class automatically assigns event class IDs: "
+ "%![sc-]+S", stream_class);
+ return create_event_class_with_id(stream_class, id);
}
-struct bt_value *
-bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class,
- int index)
+const char *bt_event_class_get_name(struct bt_event_class *event_class)
{
- 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;
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return event_class->name.value;
}
-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)
+int bt_event_class_set_name(struct bt_event_class *event_class,
+ const char *name)
{
- return event_class ?
- bt_get(bt_ctf_event_class_borrow_stream_class(event_class)) :
- NULL;
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ BT_ASSERT_PRE_NON_NULL(name, "Name");
+ BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
+ g_string_assign(event_class->name.str, name);
+ event_class->name.value = event_class->name.str->str;
+ BT_LIB_LOGV("Set event class's name: %!+E", event_class);
+ return 0;
}
-struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type(
- struct bt_ctf_event_class *event_class)
+uint64_t bt_event_class_get_id(struct bt_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;
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return event_class->id;
}
-int bt_ctf_event_class_set_payload_type(struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *payload)
+enum bt_property_availability bt_event_class_get_log_level(
+ struct bt_event_class *event_class,
+ enum bt_event_class_log_level *log_level)
{
- int ret = 0;
-
- if (!event_class) {
- ret = -1;
- goto end;
- }
-
- if (payload && bt_ctf_field_type_get_type_id(payload) !=
- BT_CTF_TYPE_ID_STRUCT) {
- ret = -1;
- goto end;
- }
-
- bt_put(event_class->fields);
- event_class->fields = bt_get(payload);
-end:
- return ret;
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ BT_ASSERT_PRE_NON_NULL(log_level, "Log level (output)");
+ *log_level = (enum bt_event_class_log_level)
+ event_class->log_level.value;
+ return event_class->log_level.base.avail;
}
-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_event_class_set_log_level(struct bt_event_class *event_class,
+ enum bt_event_class_log_level log_level)
{
- 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;
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
+ bt_property_uint_set(&event_class->log_level,
+ (uint64_t) log_level);
+ BT_LIB_LOGV("Set event class's log level: %!+E", event_class);
+ return 0;
}
-int bt_ctf_event_class_get_field_count(
- struct bt_ctf_event_class *event_class)
+const char *bt_event_class_get_emf_uri(struct bt_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;
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return event_class->emf_uri.value;
}
-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 bt_event_class_set_emf_uri(struct bt_event_class *event_class,
+ const char *emf_uri)
{
- 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;
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ BT_ASSERT_PRE_NON_NULL(emf_uri, "EMF URI");
+ BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
+ g_string_assign(event_class->emf_uri.str, emf_uri);
+ event_class->emf_uri.value = event_class->emf_uri.str->str;
+ BT_LIB_LOGV("Set event class's EMF URI: %!+E", event_class);
+ return 0;
}
-struct bt_ctf_field_type *bt_ctf_event_class_get_field_by_name(
- struct bt_ctf_event_class *event_class, const char *name)
+struct bt_stream_class *bt_event_class_borrow_stream_class(
+ struct bt_event_class *event_class)
{
- 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;
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return bt_event_class_borrow_stream_class_inline(event_class);
}
-struct bt_ctf_field_type *bt_ctf_event_class_get_context_type(
- struct bt_ctf_event_class *event_class)
+struct bt_field_type *bt_event_class_borrow_specific_context_field_type(
+ struct bt_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;
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return event_class->specific_context_ft;
}
-int bt_ctf_event_class_set_context_type(
- struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *context)
+int bt_event_class_set_specific_context_field_type(
+ struct bt_event_class *event_class,
+ struct bt_field_type *field_type)
{
- int ret = 0;
-
- if (!event_class || event_class->frozen) {
- ret = -1;
+ int ret;
+ struct bt_stream_class *stream_class;
+ struct bt_trace *trace;
+ struct bt_resolve_field_path_context resolve_ctx = {
+ .packet_header = NULL,
+ .packet_context = NULL,
+ .event_header = NULL,
+ .event_common_context = NULL,
+ .event_specific_context = field_type,
+ .event_payload = NULL,
+ };
+
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ BT_ASSERT_PRE_NON_NULL(field_type, "Field type");
+ BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
+ BT_ASSERT_PRE(bt_field_type_get_type_id(field_type) ==
+ BT_FIELD_TYPE_ID_STRUCTURE,
+ "Specific context field type is not a structure field type: "
+ "%!+F", field_type);
+ stream_class = bt_event_class_borrow_stream_class_inline(
+ event_class);
+ trace = bt_stream_class_borrow_trace_inline(stream_class);
+ resolve_ctx.packet_header = trace->packet_header_ft;
+ resolve_ctx.packet_context = stream_class->packet_context_ft;
+ resolve_ctx.event_header = stream_class->event_header_ft;
+ resolve_ctx.event_common_context =
+ stream_class->event_common_context_ft;
+
+ ret = bt_resolve_field_paths(field_type, &resolve_ctx);
+ if (ret) {
goto end;
}
- if (context && bt_ctf_field_type_get_type_id(context) !=
- BT_CTF_TYPE_ID_STRUCT) {
- ret = -1;
- goto end;
- }
+ bt_field_type_make_part_of_trace(field_type);
+ bt_put(event_class->specific_context_ft);
+ event_class->specific_context_ft = bt_get(field_type);
+ bt_field_type_freeze(field_type);
+ BT_LIB_LOGV("Set event class's specific context field type: %!+E",
+ event_class);
- bt_put(event_class->context);
- event_class->context = bt_get(context);
end:
return ret;
-
}
-void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class)
+struct bt_field_type *bt_event_class_borrow_payload_field_type(
+ struct bt_event_class *event_class)
{
- bt_get(event_class);
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return event_class->payload_ft;
}
-void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class)
+int bt_event_class_set_payload_field_type(struct bt_event_class *event_class,
+ struct bt_field_type *field_type)
{
- 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;
+ int ret;
+ struct bt_stream_class *stream_class;
+ struct bt_trace *trace;
+ struct bt_resolve_field_path_context resolve_ctx = {
+ .packet_header = NULL,
+ .packet_context = NULL,
+ .event_header = NULL,
+ .event_common_context = NULL,
+ .event_specific_context = NULL,
+ .event_payload = field_type,
+ };
+
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ BT_ASSERT_PRE_NON_NULL(field_type, "Field type");
+ BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
+ BT_ASSERT_PRE(bt_field_type_get_type_id(field_type) ==
+ BT_FIELD_TYPE_ID_STRUCTURE,
+ "Payload field type is not a structure field type: %!+F",
+ field_type);
+ stream_class = bt_event_class_borrow_stream_class_inline(
+ event_class);
+ trace = bt_stream_class_borrow_trace_inline(stream_class);
+ resolve_ctx.packet_header = trace->packet_header_ft;
+ resolve_ctx.packet_context = stream_class->packet_context_ft;
+ resolve_ctx.event_header = stream_class->event_header_ft;
+ resolve_ctx.event_common_context =
+ stream_class->event_common_context_ft;
+ resolve_ctx.event_specific_context = event_class->specific_context_ft;
+
+ ret = bt_resolve_field_paths(field_type, &resolve_ctx);
+ if (ret) {
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);
- }
+ bt_field_type_make_part_of_trace(field_type);
+ bt_put(event_class->payload_ft);
+ event_class->payload_ft = bt_get(field_type);
+ bt_field_type_freeze(field_type);
+ BT_LIB_LOGV("Set event class's payload field type: %!+E", event_class);
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;
- event_class->name = bt_ctf_event_class_get_name(event_class);
- event_class->id = bt_ctf_event_class_get_id(event_class);
- 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)
+void _bt_event_class_freeze(struct bt_event_class *event_class)
{
- 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;
+ /* The field types are already frozen */
+ BT_ASSERT(event_class);
+ BT_LIB_LOGD("Freezing event class: %!+E", event_class);
+ event_class->frozen = true;
}
projects / babeltrace.git / blobdiff