#include <babeltrace/ctf-ir/event-types-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/compiler.h>
void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref);
static
void bt_ctf_event_destroy(struct bt_ctf_ref *ref);
+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)
{
bt_ctf_event_class_get(event_class);
bt_ctf_event_class_freeze(event_class);
event->event_class = event_class;
+
+ assert(event_class->stream_class);
+ assert(event_class->stream_class->event_header_type);
+
+ event->event_header = bt_ctf_field_create(
+ event_class->stream_class->event_header_type);
+ if (!event->event_header) {
+ goto error_destroy;
+ }
if (event_class->context) {
event->context_payload = bt_ctf_field_create(
event_class->context);
+ if (!event->context_payload) {
+ goto error_destroy;
+ }
}
event->fields_payload = bt_ctf_field_create(event_class->fields);
+ if (!event->fields_payload) {
+ goto error_destroy;
+ }
end:
+ /*
+ * Freeze the stream class since the event header must not be changed
+ * anymore.
+ */
+ bt_ctf_stream_class_freeze(event_class->stream_class);
return event;
+error_destroy:
+ bt_ctf_event_destroy(&event->ref_count);
+ return NULL;
}
struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event)
return field;
}
+struct bt_ctf_field *bt_ctf_event_get_event_header(
+ struct bt_ctf_event *event)
+{
+ struct bt_ctf_field *header = NULL;
+
+ if (!event || !event->event_header) {
+ goto end;
+ }
+
+ header = event->event_header;
+ bt_ctf_field_get(header);
+end:
+ return header;
+}
+
+int bt_ctf_event_set_event_header(struct bt_ctf_event *event,
+ struct bt_ctf_field *header)
+{
+ int ret = 0;
+ struct bt_ctf_field_type *field_type = NULL;
+
+ if (!event || !header) {
+ ret = -1;
+ goto end;
+ }
+
+ /* Could be NULL since an event class doesn't own a stream class */
+ if (!event->event_class->stream_class) {
+ ret = -1;
+ goto end;
+ }
+
+ /*
+ * Ensure the provided header's type matches the one registered to the
+ * stream class.
+ */
+ field_type = bt_ctf_field_get_type(header);
+ if (field_type != event->event_class->stream_class->event_header_type) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_ctf_field_get(header);
+ bt_ctf_field_put(event->event_header);
+ event->event_header = header;
+end:
+ if (field_type) {
+ bt_ctf_field_type_put(field_type);
+ }
+ return ret;
+}
+
struct bt_ctf_field *bt_ctf_event_get_event_context(
struct bt_ctf_event *event)
{
if (event->event_class) {
bt_ctf_event_class_put(event->event_class);
}
+ if (event->event_header) {
+ bt_ctf_field_put(event->event_header);
+ }
if (event->context_payload) {
bt_ctf_field_put(event->context_payload);
}
g_free(event);
}
+static
+int set_integer_field_value(struct bt_ctf_field* field, uint64_t value)
+{
+ int ret = 0;
+ struct bt_ctf_field_type *field_type = NULL;
+
+ if (!field) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!bt_ctf_field_validate(field)) {
+ /* Payload already set, skip! (not an error) */
+ goto end;
+ }
+
+ field_type = bt_ctf_field_get_type(field);
+ assert(field_type);
+
+ if (bt_ctf_field_type_get_type_id(field_type) != CTF_TYPE_INTEGER) {
+ /* Not an integer and the value is unset, error. */
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_field_type_integer_get_signed(field_type)) {
+ ret = bt_ctf_field_signed_integer_set_value(field, (int64_t) value);
+ if (ret) {
+ /* Value is out of range, error. */
+ goto end;
+ }
+ } else {
+ ret = bt_ctf_field_unsigned_integer_set_value(field, value);
+ if (ret) {
+ /* Value is out of range, error. */
+ goto end;
+ }
+ }
+end:
+ bt_ctf_field_type_put(field_type);
+ return ret;
+}
+
BT_HIDDEN
void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class)
{
context->current_indentation_level = 1;
g_string_assign(context->field_name, "");
- g_string_append_printf(context->string, "event {\n\tname = \"%s\";\n\tid = %u;\n\tstream_id = %" PRId64 ";\n",
+ g_string_append_printf(context->string,
+ "event {\n\tname = \"%s\";\n\tid = %u;\n\tstream_id = %" PRId64 ";\n",
g_quark_to_string(event_class->name),
event_class->id,
stream_id);
int ret;
assert(event);
+ ret = bt_ctf_field_validate(event->event_header);
+ if (ret) {
+ goto end;
+ }
+
ret = bt_ctf_field_validate(event->fields_payload);
if (ret) {
goto end;
assert(event);
return event->timestamp;
}
+
+BT_HIDDEN
+int bt_ctf_event_populate_event_header(struct bt_ctf_event *event)
+{
+ int ret = 0;
+ struct bt_ctf_field *id_field = NULL, *timestamp_field = NULL;
+
+ if (!event) {
+ ret = -1;
+ goto end;
+ }
+
+ id_field = bt_ctf_field_structure_get_field(event->event_header, "id");
+ if (id_field) {
+ ret = set_integer_field_value(id_field,
+ (uint64_t) event->event_class->id);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ timestamp_field = bt_ctf_field_structure_get_field(event->event_header,
+ "timestamp");
+ if (timestamp_field) {
+ ret = set_integer_field_value(timestamp_field,
+ (uint64_t) event->timestamp);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ if (id_field) {
+ bt_ctf_field_put(id_field);
+ }
+ if (timestamp_field) {
+ bt_ctf_field_put(timestamp_field);
+ }
+ return ret;
+}
projects / babeltrace.git / blobdiff