#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/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-internal.h>
#include <inttypes.h>
#include <stdlib.h>
-BT_HIDDEN
-void bt_event_class_common_finalize(struct bt_object *obj)
+#define BT_ASSERT_PRE_EVENT_CLASS_HOT(_ec) \
+ BT_ASSERT_PRE_HOT((_ec), "Event class", ": %!+E", (_ec))
+
+static
+void destroy_event_class(struct bt_object *obj)
{
- struct bt_event_class_common *event_class;
+ struct bt_event_class *event_class = (void *) obj;
- event_class = container_of(obj, struct bt_event_class_common, base);
- BT_LOGD("Finalizing common event class: addr=%p, name=\"%s\", id=%" PRId64,
- event_class, bt_event_class_common_get_name(event_class),
- bt_event_class_common_get_id(event_class));
+ BT_LIB_LOGD("Destroying event class: %!+E", event_class);
- if (event_class->name) {
- g_string_free(event_class->name, TRUE);
+ if (event_class->name.str) {
+ g_string_free(event_class->name.str, TRUE);
}
- if (event_class->emf_uri) {
- g_string_free(event_class->emf_uri, TRUE);
+ if (event_class->emf_uri.str) {
+ g_string_free(event_class->emf_uri.str, TRUE);
}
BT_LOGD_STR("Putting context field type.");
- bt_put(event_class->context_field_type);
+ bt_put(event_class->specific_context_ft);
BT_LOGD_STR("Putting payload field type.");
- bt_put(event_class->payload_field_type);
-}
-
-BT_HIDDEN
-int bt_event_class_common_initialize(struct bt_event_class_common *event_class,
- const char *name, bt_object_release_func release_func,
- bt_field_type_structure_create_func ft_struct_create_func)
-{
- int ret = 0;
-
- BT_LOGD("Initializing common event class object: name=\"%s\"",
- name);
- bt_object_init_shared_with_parent(&event_class->base, release_func);
- event_class->payload_field_type = ft_struct_create_func();
- if (!event_class->payload_field_type) {
- BT_LOGE_STR("Cannot create event class's initial payload field type object.");
- goto error;
- }
-
- event_class->id = -1;
- event_class->name = g_string_new(name);
- if (!event_class->name) {
- BT_LOGE_STR("Failed to allocate a GString.");
- goto error;
- }
-
- event_class->emf_uri = g_string_new(NULL);
- if (!event_class->emf_uri) {
- BT_LOGE_STR("Failed to allocate a GString.");
- goto error;
- }
-
- event_class->log_level = BT_EVENT_CLASS_LOG_LEVEL_UNSPECIFIED;
- BT_LOGD("Initialized common event class object: addr=%p, name=\"%s\"",
- event_class, bt_event_class_common_get_name(event_class));
- return ret;
-
-error:
- ret = -1;
- return ret;
-}
-
-static
-void bt_event_class_destroy(struct bt_object *obj)
-{
- struct bt_event_class *event_class = (void *) obj;
-
- BT_LOGD("Destroying event class: addr=%p", obj);
- bt_event_class_common_finalize(obj);
+ bt_put(event_class->payload_ft);
bt_object_pool_finalize(&event_class->event_pool);
g_free(obj);
}
bt_event_destroy(event);
}
-struct bt_event_class *bt_event_class_create(const char *name)
+BT_ASSERT_PRE_FUNC
+static
+bool event_class_id_is_unique(struct bt_stream_class *stream_class, uint64_t id)
{
- int ret;
- struct bt_event_class *event_class = NULL;
+ uint64_t i;
+ bool is_unique = true;
- if (!name) {
- BT_LOGW_STR("Invalid parameter: name is NULL.");
- goto error;
+ for (i = 0; i < stream_class->event_classes->len; i++) {
+ struct bt_event_class *ec =
+ stream_class->event_classes->pdata[i];
+
+ if (ec->id == id) {
+ is_unique = false;
+ goto end;
+ }
}
- BT_LOGD("Creating event class object: name=\"%s\"",
- name);
+end:
+ return is_unique;
+}
+
+static
+struct bt_event_class *create_event_class_with_id(
+ struct bt_stream_class *stream_class, uint64_t id)
+{
+ 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) {
BT_LOGE_STR("Failed to allocate one event class.");
goto error;
}
- ret = bt_event_class_common_initialize(BT_TO_COMMON(event_class),
- name, bt_event_class_destroy,
- (bt_field_type_structure_create_func)
- bt_field_type_structure_create);
- if (ret) {
- goto error;
+ 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;
+ }
+
+ 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;
}
ret = bt_object_pool_initialize(&event_class->event_pool,
goto error;
}
- BT_LOGD("Created event class object: addr=%p, name=\"%s\"",
- event_class, bt_event_class_get_name(event_class));
+ 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;
error:
- bt_put(event_class);
+ BT_PUT(event_class);
end:
return event_class;
}
+struct bt_event_class *bt_event_class_create(
+ struct bt_stream_class *stream_class)
+{
+ 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);
+}
+
+struct bt_event_class *bt_event_class_create_with_id(
+ struct bt_stream_class *stream_class, uint64_t id)
+{
+ 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);
+}
+
const char *bt_event_class_get_name(struct bt_event_class *event_class)
{
- return bt_event_class_common_get_name(BT_TO_COMMON(event_class));
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return event_class->name.value;
}
-int64_t bt_event_class_get_id(struct bt_event_class *event_class)
+int bt_event_class_set_name(struct bt_event_class *event_class,
+ const char *name)
{
- return bt_event_class_common_get_id(BT_TO_COMMON(event_class));
+ 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;
}
-int bt_event_class_set_id(struct bt_event_class *event_class, uint64_t id)
+uint64_t bt_event_class_get_id(struct bt_event_class *event_class)
{
- return bt_event_class_common_set_id(BT_TO_COMMON(event_class), id);
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return event_class->id;
}
-enum bt_event_class_log_level bt_event_class_get_log_level(
- struct bt_event_class *event_class)
+enum bt_property_availability bt_event_class_get_log_level(
+ struct bt_event_class *event_class,
+ enum bt_event_class_log_level *log_level)
{
- return bt_event_class_common_get_log_level(BT_TO_COMMON(event_class));
+ 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_event_class_set_log_level(struct bt_event_class *event_class,
enum bt_event_class_log_level log_level)
{
- return bt_event_class_common_set_log_level(BT_TO_COMMON(event_class),
- log_level);
+ 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;
}
const char *bt_event_class_get_emf_uri(struct bt_event_class *event_class)
{
- return bt_event_class_common_get_emf_uri(BT_TO_COMMON(event_class));
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return event_class->emf_uri.value;
}
int bt_event_class_set_emf_uri(struct bt_event_class *event_class,
const char *emf_uri)
{
- return bt_event_class_common_set_emf_uri(BT_TO_COMMON(event_class),
- emf_uri);
+ 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_stream_class *bt_event_class_borrow_stream_class(
struct bt_event_class *event_class)
{
BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
- return BT_FROM_COMMON(
- bt_event_class_common_borrow_stream_class(BT_TO_COMMON(
- event_class)));
+ return bt_event_class_borrow_stream_class_inline(event_class);
}
-struct bt_field_type *bt_event_class_borrow_payload_field_type(
+struct bt_field_type *bt_event_class_borrow_specific_context_field_type(
struct bt_event_class *event_class)
{
- return BT_FROM_COMMON(bt_event_class_common_borrow_payload_field_type(
- BT_TO_COMMON(event_class)));
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return event_class->specific_context_ft;
}
-int bt_event_class_set_payload_field_type(struct bt_event_class *event_class,
+int bt_event_class_set_specific_context_field_type(
+ struct bt_event_class *event_class,
struct bt_field_type *field_type)
{
- return bt_event_class_common_set_payload_field_type(
- BT_TO_COMMON(event_class), (void *) field_type);
-}
+ 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,
+ };
-struct bt_field_type *bt_event_class_borrow_context_field_type(
- struct bt_event_class *event_class)
-{
- return BT_FROM_COMMON(bt_event_class_common_borrow_context_field_type(
- BT_TO_COMMON(event_class)));
-}
+ 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;
+ }
-int bt_event_class_set_context_field_type(
- struct bt_event_class *event_class,
- struct bt_field_type *field_type)
-{
- return bt_event_class_common_set_context_field_type(
- BT_TO_COMMON(event_class), (void *) field_type);
+ 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);
+
+end:
+ return ret;
}
-BT_HIDDEN
-void bt_event_class_common_freeze(struct bt_event_class_common *event_class)
+struct bt_field_type *bt_event_class_borrow_payload_field_type(
+ struct bt_event_class *event_class)
{
- BT_ASSERT(event_class);
-
- if (event_class->frozen) {
- return;
- }
-
- BT_LOGD("Freezing event class: addr=%p, name=\"%s\", id=%" PRId64,
- event_class, bt_event_class_common_get_name(event_class),
- bt_event_class_common_get_id(event_class));
- event_class->frozen = 1;
- BT_LOGD_STR("Freezing event class's context field type.");
- bt_field_type_common_freeze(event_class->context_field_type);
- BT_LOGD_STR("Freezing event class's payload field type.");
- bt_field_type_common_freeze(event_class->payload_field_type);
+ BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
+ return event_class->payload_ft;
}
-BT_HIDDEN
-int bt_event_class_common_validate_single_clock_class(
- struct bt_event_class_common *event_class,
- struct bt_clock_class **expected_clock_class)
+int bt_event_class_set_payload_field_type(struct bt_event_class *event_class,
+ struct bt_field_type *field_type)
{
- int ret = 0;
+ 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(event_class);
- BT_ASSERT(expected_clock_class);
- ret = bt_field_type_common_validate_single_clock_class(
- event_class->context_field_type,
- expected_clock_class);
+ 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) {
- BT_LOGW("Event class's context field type "
- "is not recursively mapped to the "
- "expected clock class: "
- "event-class-addr=%p, "
- "event-class-name=\"%s\", "
- "event-class-id=%" PRId64 ", "
- "ft-addr=%p",
- event_class,
- bt_event_class_common_get_name(event_class),
- event_class->id,
- event_class->context_field_type);
goto end;
}
- ret = bt_field_type_common_validate_single_clock_class(
- event_class->payload_field_type,
- expected_clock_class);
- if (ret) {
- BT_LOGW("Event class's payload field type "
- "is not recursively mapped to the "
- "expected clock class: "
- "event-class-addr=%p, "
- "event-class-name=\"%s\", "
- "event-class-id=%" PRId64 ", "
- "ft-addr=%p",
- event_class,
- bt_event_class_common_get_name(event_class),
- event_class->id,
- event_class->payload_field_type);
- goto end;
- }
+ 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:
return ret;
}
+
+BT_HIDDEN
+void _bt_event_class_freeze(struct bt_event_class *event_class)
+{
+ /* The field types are already frozen */
+ BT_ASSERT(event_class);
+ BT_LIB_LOGD("Freezing event class: %!+E", event_class);
+ event_class->frozen = true;
+}