* SOFTWARE.
*/
-#include <babeltrace/ctf-writer/event.h>
-#include <babeltrace/ctf-writer/event-types.h>
-#include <babeltrace/ctf-writer/event-fields.h>
-#include <babeltrace/ctf-ir/event-fields-internal.h>
-#include <babeltrace/ctf-ir/event-types-internal.h>
+#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/stream-internal.h>
+#include <babeltrace/ctf-ir/packet.h>
+#include <babeltrace/ctf-ir/packet-internal.h>
#include <babeltrace/ctf-ir/trace-internal.h>
+#include <babeltrace/ctf-ir/validation-internal.h>
+#include <babeltrace/ctf-ir/packet-internal.h>
+#include <babeltrace/ctf-ir/utils.h>
+#include <babeltrace/ref.h>
+#include <babeltrace/ctf-ir/attributes-internal.h>
#include <babeltrace/compiler.h>
static
-void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref);
+void bt_ctf_event_destroy(struct bt_object *obj);
static
-void bt_ctf_event_destroy(struct bt_ctf_ref *ref);
+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)
+struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class)
{
- struct bt_ctf_event_class *event_class = NULL;
+ int ret;
+ enum bt_ctf_validation_flag validation_flags =
+ BT_CTF_VALIDATION_FLAG_STREAM |
+ BT_CTF_VALIDATION_FLAG_EVENT;
+ struct bt_ctf_event *event = NULL;
+ struct bt_ctf_trace *trace = NULL;
+ struct bt_ctf_stream_class *stream_class = NULL;
+ struct bt_ctf_field_type *packet_header_type = NULL;
+ struct bt_ctf_field_type *packet_context_type = NULL;
+ struct bt_ctf_field_type *event_header_type = NULL;
+ struct bt_ctf_field_type *stream_event_ctx_type = NULL;
+ struct bt_ctf_field_type *event_context_type = NULL;
+ struct bt_ctf_field_type *event_payload_type = NULL;
+ struct bt_ctf_field *event_header = NULL;
+ struct bt_ctf_field *stream_event_context = NULL;
+ struct bt_ctf_field *event_context = NULL;
+ struct bt_ctf_field *event_payload = NULL;
+ struct bt_value *environment = NULL;
+ struct bt_ctf_validation_output validation_output = { 0 };
+ int trace_valid = 0;
- if (validate_identifier(name)) {
- goto end;
+ if (!event_class) {
+ goto error;
}
- event_class = g_new0(struct bt_ctf_event_class, 1);
- if (!event_class) {
- goto end;
+ stream_class = bt_ctf_event_class_get_stream_class(event_class);
+
+ /*
+ * We disallow the creation of an event if its event class has not been
+ * associated to a stream class.
+ */
+ if (!stream_class) {
+ goto error;
+ }
+
+ /* A stream class should always have an existing event header type */
+ assert(stream_class->event_header_type);
+
+ /* The event class was frozen when added to its stream class */
+ assert(event_class->frozen);
+
+ /* Validate the trace (if any), the stream class, and the event class */
+ trace = bt_ctf_stream_class_get_trace(stream_class);
+ if (trace) {
+ packet_header_type = bt_ctf_trace_get_packet_header_type(trace);
+ trace_valid = trace->valid;
+ assert(trace_valid);
+ environment = trace->environment;
+ }
+
+ packet_context_type = bt_ctf_stream_class_get_packet_context_type(
+ stream_class);
+ event_header_type = bt_ctf_stream_class_get_event_header_type(
+ stream_class);
+ stream_event_ctx_type = bt_ctf_stream_class_get_event_context_type(
+ stream_class);
+ event_context_type = bt_ctf_event_class_get_context_type(event_class);
+ event_payload_type = bt_ctf_event_class_get_payload_type(event_class);
+ ret = bt_ctf_validate_class_types(environment, packet_header_type,
+ packet_context_type, event_header_type, stream_event_ctx_type,
+ event_context_type, event_payload_type, trace_valid,
+ stream_class->valid, event_class->valid,
+ &validation_output, validation_flags);
+ BT_PUT(packet_header_type);
+ BT_PUT(packet_context_type);
+ BT_PUT(event_header_type);
+ BT_PUT(stream_event_ctx_type);
+ BT_PUT(event_context_type);
+ BT_PUT(event_payload_type);
+ if (ret) {
+ /*
+ * This means something went wrong during the validation
+ * process, not that the objects are invalid.
+ */
+ goto error;
}
- bt_ctf_ref_init(&event_class->ref_count);
- event_class->name = g_quark_from_string(name);
-end:
- return event_class;
-}
+ if ((validation_output.valid_flags & validation_flags) !=
+ validation_flags) {
+ /* Invalid trace/stream class/event class */
+ goto error;
+ }
-const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class)
-{
- const char *name = NULL;
+ /*
+ * At this point we know the trace (if associated to the stream
+ * class), the stream class, and the event class, with their
+ * current types, are valid. We may proceed with creating
+ * the event.
+ */
+ event = g_new0(struct bt_ctf_event, 1);
+ if (!event) {
+ goto error;
+ }
- if (!event_class) {
- goto end;
+ bt_object_init(event, bt_ctf_event_destroy);
+
+ /*
+ * event does not share a common ancestor with the event class; it has
+ * to guarantee its existence by holding a reference. This reference
+ * shall be released once the event is associated to a stream since,
+ * from that point, the event and its class will share the same
+ * lifetime.
+ */
+ event->event_class = bt_get(event_class);
+ event->clock_values = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL, g_free);
+ event_header =
+ bt_ctf_field_create(validation_output.event_header_type);
+ if (!event_header) {
+ goto error;
+ }
+
+ if (validation_output.stream_event_ctx_type) {
+ stream_event_context = bt_ctf_field_create(
+ validation_output.stream_event_ctx_type);
+ if (!stream_event_context) {
+ goto error;
+ }
}
- name = g_quark_to_string(event_class->name);
-end:
- return name;
+ if (validation_output.event_context_type) {
+ event_context = bt_ctf_field_create(
+ validation_output.event_context_type);
+ if (!event_context) {
+ goto error;
+ }
+ }
+
+ if (validation_output.event_payload_type) {
+ event_payload = bt_ctf_field_create(
+ validation_output.event_payload_type);
+ if (!event_payload) {
+ goto error;
+ }
+ }
+
+ /*
+ * At this point all the fields are created, potentially from
+ * validated copies of field types, so that the field types and
+ * fields can be replaced in the trace, stream class,
+ * event class, and created event.
+ */
+ bt_ctf_validation_replace_types(trace, stream_class,
+ event_class, &validation_output, validation_flags);
+ BT_MOVE(event->event_header, event_header);
+ BT_MOVE(event->stream_event_context, stream_event_context);
+ BT_MOVE(event->context_payload, event_context);
+ BT_MOVE(event->fields_payload, event_payload);
+
+ /*
+ * Put what was not moved in bt_ctf_validation_replace_types().
+ */
+ bt_ctf_validation_output_put_types(&validation_output);
+
+ /*
+ * Freeze the stream class since the event header must not be changed
+ * anymore.
+ */
+ bt_ctf_stream_class_freeze(stream_class);
+
+ /*
+ * Mark stream class, and event class as valid since
+ * they're all frozen now.
+ */
+ stream_class->valid = 1;
+ event_class->valid = 1;
+
+ /* Put stuff we borrowed from the event class */
+ BT_PUT(stream_class);
+ BT_PUT(trace);
+
+ return event;
+
+error:
+ bt_ctf_validation_output_put_types(&validation_output);
+ BT_PUT(event);
+ BT_PUT(stream_class);
+ BT_PUT(trace);
+ BT_PUT(event_header);
+ BT_PUT(stream_event_context);
+ BT_PUT(event_context);
+ BT_PUT(event_payload);
+ assert(!packet_header_type);
+ assert(!packet_context_type);
+ assert(!event_header_type);
+ assert(!stream_event_ctx_type);
+ assert(!event_context_type);
+ assert(!event_payload_type);
+
+ return event;
}
-int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class)
+struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event)
{
- int64_t ret;
+ struct bt_ctf_event_class *event_class = NULL;
- if (!event_class || !event_class->id_set) {
- ret = -1;
+ if (!event) {
goto end;
}
- ret = (int64_t) event_class->id;
+ event_class = event->event_class;
+ bt_get(event_class);
end:
- return ret;
+ return event_class;
}
-int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class,
- uint32_t id)
+struct bt_ctf_stream *bt_ctf_event_get_stream(struct bt_ctf_event *event)
{
- int ret = 0;
+ struct bt_ctf_stream *stream = NULL;
- if (!event_class) {
- ret = -1;
+ if (!event) {
goto end;
}
- if (event_class->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;
+ /*
+ * If the event has a parent, then this is its (writer) stream.
+ * If the event has no parent, then if it has a packet, this
+ * is its (non-writer) stream.
+ */
+ if (event->base.parent) {
+ stream = (struct bt_ctf_stream *) bt_object_get_parent(event);
+ } else {
+ if (event->packet) {
+ stream = bt_get(event->packet->stream);
+ }
}
- event_class->id = id;
- event_class->id_set = 1;
end:
- return ret;
+ return stream;
}
-struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class(
- struct bt_ctf_event_class *event_class)
+struct bt_ctf_clock *bt_ctf_event_get_clock(struct bt_ctf_event *event)
{
- struct bt_ctf_stream_class *stream_class = NULL;
+ struct bt_ctf_clock *clock = NULL;
+ struct bt_ctf_event_class *event_class;
+ struct bt_ctf_stream_class *stream_class;
+
+ if (!event) {
+ goto end;
+ }
+ event_class = bt_ctf_event_get_class(event);
if (!event_class) {
goto end;
}
- stream_class = event_class->stream_class;
- bt_ctf_stream_class_get(stream_class);
+ stream_class = bt_ctf_event_class_get_stream_class(event_class);
+ if (!stream_class) {
+ goto error_put_event_class;
+ }
+
+ clock = bt_ctf_stream_class_get_clock(stream_class);
+ if (!clock) {
+ goto error_put_stream_class;
+ }
+
+error_put_stream_class:
+ bt_put(stream_class);
+error_put_event_class:
+ bt_put(event_class);
end:
- return stream_class;
+ return clock;
}
-int bt_ctf_event_class_add_field(struct bt_ctf_event_class *event_class,
- struct bt_ctf_field_type *type,
- const char *name)
+int bt_ctf_event_set_payload(struct bt_ctf_event *event,
+ const char *name,
+ struct bt_ctf_field *payload)
{
int ret = 0;
- if (!event_class || !type || validate_identifier(name) ||
- event_class->frozen) {
+ if (!event || !payload || event->frozen) {
ret = -1;
goto end;
}
- if (!event_class->fields) {
- event_class->fields = bt_ctf_field_type_structure_create();
- if (!event_class->fields) {
+ if (name) {
+ ret = bt_ctf_field_structure_set_field(event->fields_payload,
+ name, payload);
+ } else {
+ struct bt_ctf_field_type *payload_type;
+
+ payload_type = bt_ctf_field_get_type(payload);
+
+ if (bt_ctf_field_type_compare(payload_type,
+ event->event_class->fields) == 0) {
+ bt_put(event->fields_payload);
+ bt_get(payload);
+ event->fields_payload = payload;
+ } else {
ret = -1;
- goto end;
}
- }
- ret = bt_ctf_field_type_structure_add_field(event_class->fields,
- type, name);
+ bt_put(payload_type);
+ }
end:
return ret;
}
-int64_t bt_ctf_event_class_get_field_count(
- struct bt_ctf_event_class *event_class)
+struct bt_ctf_field *bt_ctf_event_get_payload_field(struct bt_ctf_event *event)
{
- int64_t ret;
+ struct bt_ctf_field *payload = NULL;
- if (!event_class) {
- ret = -1;
+ if (!event || !event->fields_payload) {
goto end;
}
- ret = bt_ctf_field_type_structure_get_field_count(event_class->fields);
+ payload = event->fields_payload;
+ bt_get(payload);
end:
- return ret;
+ return payload;
}
-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,
- size_t index)
+int bt_ctf_event_set_payload_field(struct bt_ctf_event *event,
+ struct bt_ctf_field *payload)
{
- int ret;
+ int ret = 0;
+ struct bt_ctf_field_type *payload_type = NULL;
- if (!event_class) {
+ if (!event || !payload || event->frozen) {
ret = -1;
goto end;
}
- ret = bt_ctf_field_type_structure_get_field(event_class->fields,
- field_name, field_type, index);
+ payload_type = bt_ctf_field_get_type(payload);
+ if (!payload_type) {
+ ret = -1;
+ goto end;
+ }
+
+ if (bt_ctf_field_type_get_type_id(payload_type) !=
+ BT_CTF_TYPE_ID_STRUCT) {
+ ret = -1;
+ goto end;
+ }
+
+ bt_get(payload);
+ bt_put(event->fields_payload);
+ event->fields_payload = payload;
+
end:
+ bt_put(payload_type);
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)
+struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event,
+ const char *name)
{
- GQuark name_quark;
- struct bt_ctf_field_type *field_type = NULL;
+ struct bt_ctf_field *field = NULL;
- if (!event_class || !name) {
+ if (!event) {
goto end;
}
- name_quark = g_quark_try_string(name);
- if (!name_quark) {
- goto end;
+ if (name) {
+ field = bt_ctf_field_structure_get_field(event->fields_payload,
+ name);
+ } else {
+ field = event->fields_payload;
+ bt_get(field);
}
-
- /*
- * 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;
+ return field;
}
-void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class)
+struct bt_ctf_field *bt_ctf_event_get_payload_by_index(
+ struct bt_ctf_event *event, int index)
{
- if (!event_class) {
- return;
+ struct bt_ctf_field *field = NULL;
+
+ if (!event || index < 0) {
+ goto end;
}
- bt_ctf_ref_get(&event_class->ref_count);
+ field = bt_ctf_field_structure_get_field_by_index(event->fields_payload,
+ index);
+end:
+ return field;
}
-void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class)
+struct bt_ctf_field *bt_ctf_event_get_header(
+ struct bt_ctf_event *event)
{
- if (!event_class) {
- return;
+ struct bt_ctf_field *header = NULL;
+
+ if (!event || !event->event_header) {
+ goto end;
}
- bt_ctf_ref_put(&event_class->ref_count, bt_ctf_event_class_destroy);
+ header = event->event_header;
+ bt_get(header);
+end:
+ return header;
}
-struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class)
+int bt_ctf_event_set_header(struct bt_ctf_event *event,
+ struct bt_ctf_field *header)
{
- struct bt_ctf_event *event = NULL;
+ int ret = 0;
+ struct bt_ctf_field_type *field_type = NULL;
+ struct bt_ctf_stream_class *stream_class = NULL;
- if (!event_class) {
+ if (!event || !header || event->frozen) {
+ ret = -1;
goto end;
}
- event = g_new0(struct bt_ctf_event, 1);
- if (!event) {
+ stream_class = (struct bt_ctf_stream_class *) bt_object_get_parent(
+ event->event_class);
+ /*
+ * Ensure the provided header's type matches the one registered to the
+ * stream class.
+ */
+ field_type = bt_ctf_field_get_type(header);
+ if (bt_ctf_field_type_compare(field_type,
+ stream_class->event_header_type)) {
+ ret = -1;
goto end;
}
- bt_ctf_ref_init(&event->ref_count);
- bt_ctf_event_class_get(event_class);
- bt_ctf_event_class_freeze(event_class);
- event->event_class = event_class;
- event->context_payload = bt_ctf_field_create(event_class->context);
- event->fields_payload = bt_ctf_field_create(event_class->fields);
+ bt_get(header);
+ bt_put(event->event_header);
+ event->event_header = header;
end:
- return event;
+ bt_put(stream_class);
+ bt_put(field_type);
+ return ret;
}
-struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event)
+struct bt_ctf_field *bt_ctf_event_get_event_context(
+ struct bt_ctf_event *event)
{
- struct bt_ctf_event_class *event_class = NULL;
+ struct bt_ctf_field *context = NULL;
- if (!event) {
+ if (!event || !event->context_payload) {
goto end;
}
- event_class = event->event_class;
- bt_ctf_event_class_get(event_class);
+ context = event->context_payload;
+ bt_get(context);
end:
- return event_class;
+ return context;
}
-struct bt_ctf_clock *bt_ctf_event_get_clock(struct bt_ctf_event *event)
+int bt_ctf_event_set_event_context(struct bt_ctf_event *event,
+ struct bt_ctf_field *context)
{
- struct bt_ctf_clock *clock = NULL;
- struct bt_ctf_event_class *event_class;
- struct bt_ctf_stream_class *stream_class;
+ int ret = 0;
+ struct bt_ctf_field_type *field_type = NULL;
- if (!event) {
+ if (!event || !context || event->frozen) {
+ ret = -1;
goto end;
}
- event_class = bt_ctf_event_get_class(event);
- if (!event_class) {
+ field_type = bt_ctf_field_get_type(context);
+ if (bt_ctf_field_type_compare(field_type,
+ event->event_class->context)) {
+ ret = -1;
goto end;
}
- stream_class = bt_ctf_event_class_get_stream_class(event_class);
- if (!stream_class) {
- goto error_put_event_class;
- }
-
- clock = bt_ctf_stream_class_get_clock(stream_class);
- if (!clock) {
- goto error_put_stream_class;
- }
-
-error_put_stream_class:
- bt_ctf_stream_class_put(stream_class);
-error_put_event_class:
- bt_ctf_event_class_put(event_class);
+ bt_get(context);
+ bt_put(event->context_payload);
+ event->context_payload = context;
end:
- return clock;
+ bt_put(field_type);
+ return ret;
}
-int bt_ctf_event_set_payload(struct bt_ctf_event *event,
- const char *name,
- struct bt_ctf_field *value)
+struct bt_ctf_field *bt_ctf_event_get_stream_event_context(
+ struct bt_ctf_event *event)
{
- int ret = 0;
+ struct bt_ctf_field *stream_event_context = NULL;
- if (!event || !value || validate_identifier(name)) {
- ret = -1;
+ if (!event || !event->stream_event_context) {
goto end;
}
- ret = bt_ctf_field_structure_set_field(event->fields_payload,
- name, value);
+ stream_event_context = event->stream_event_context;
end:
- return ret;
+ return bt_get(stream_event_context);
}
-
-struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event,
- const char *name)
+int bt_ctf_event_set_stream_event_context(struct bt_ctf_event *event,
+ struct bt_ctf_field *stream_event_context)
{
- struct bt_ctf_field *field = NULL;
+ int ret = 0;
+ struct bt_ctf_field_type *field_type = NULL;
+ struct bt_ctf_stream_class *stream_class = NULL;
- if (!event || !name) {
+ if (!event || !stream_event_context || event->frozen) {
+ ret = -1;
goto end;
}
- field = bt_ctf_field_structure_get_field(event->fields_payload, name);
-end:
- return field;
-}
-
-struct bt_ctf_field *bt_ctf_event_get_payload_by_index(
- struct bt_ctf_event *event, size_t index)
-{
- struct bt_ctf_field *field = NULL;
+ stream_class = bt_ctf_event_class_get_stream_class(event->event_class);
+ /*
+ * We should not have been able to create the event without associating
+ * the event class to a stream class.
+ */
+ assert(stream_class);
- if (!event) {
+ field_type = bt_ctf_field_get_type(stream_event_context);
+ if (bt_ctf_field_type_compare(field_type,
+ stream_class->event_context_type)) {
+ ret = -1;
goto end;
}
- field = bt_ctf_field_structure_get_field_by_index(event->fields_payload,
- index);
+ bt_get(stream_event_context);
+ BT_MOVE(event->stream_event_context, stream_event_context);
end:
- return field;
+ BT_PUT(stream_class);
+ bt_put(field_type);
+ return ret;
}
void bt_ctf_event_get(struct bt_ctf_event *event)
{
- if (!event) {
- return;
- }
-
- bt_ctf_ref_get(&event->ref_count);
+ bt_get(event);
}
void bt_ctf_event_put(struct bt_ctf_event *event)
{
- if (!event) {
- return;
- }
-
- bt_ctf_ref_put(&event->ref_count, bt_ctf_event_destroy);
+ bt_put(event);
}
-static
-void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref)
-{
- struct bt_ctf_event_class *event_class;
-
- if (!ref) {
- return;
- }
-
- /*
- * Don't call put() on the stream class. See comment in
- * bt_ctf_event_class_set_stream_class for explanation.
- */
- event_class = container_of(ref, struct bt_ctf_event_class, ref_count);
- bt_ctf_field_type_put(event_class->context);
- bt_ctf_field_type_put(event_class->fields);
- g_free(event_class);
-}
-
-static
-void bt_ctf_event_destroy(struct bt_ctf_ref *ref)
+void bt_ctf_event_destroy(struct bt_object *obj)
{
struct bt_ctf_event *event;
- if (!ref) {
- return;
- }
-
- event = container_of(ref, struct bt_ctf_event,
- ref_count);
- bt_ctf_event_class_put(event->event_class);
- bt_ctf_field_put(event->context_payload);
- bt_ctf_field_put(event->fields_payload);
+ event = container_of(obj, struct bt_ctf_event, base);
+ if (!event->base.parent) {
+ /*
+ * Event was keeping a reference to its class since it shared no
+ * common ancestor with it to guarantee they would both have the
+ * same lifetime.
+ */
+ bt_put(event->event_class);
+ }
+ g_hash_table_destroy(event->clock_values);
+ bt_put(event->event_header);
+ bt_put(event->stream_event_context);
+ bt_put(event->context_payload);
+ bt_put(event->fields_payload);
+ bt_put(event->packet);
g_free(event);
}
-BT_HIDDEN
-void bt_ctf_event_class_freeze(struct bt_ctf_event_class *event_class)
-{
- assert(event_class);
- event_class->frozen = 1;
- bt_ctf_field_type_freeze(event_class->context);
- bt_ctf_field_type_freeze(event_class->fields);
-}
-
-BT_HIDDEN
-int bt_ctf_event_class_set_stream_class(struct bt_ctf_event_class *event_class,
- struct bt_ctf_stream_class *stream_class)
+uint64_t bt_ctf_event_get_clock_value(struct bt_ctf_event *event,
+ struct bt_ctf_clock *clock)
{
- int ret = 0;
+ uint64_t ret = -1ULL;
+ uint64_t *clock_value;
- if (!event_class) {
- ret = -1;
+ if (!event || !clock) {
goto end;
}
- /* Allow a NULL stream_class to unset the current stream_class */
- if (stream_class && event_class->stream_class) {
- ret = -1;
+ clock_value = g_hash_table_lookup(event->clock_values, clock);
+ if (!clock_value) {
goto end;
}
- event_class->stream_class = stream_class;
- /*
- * We don't get() the stream_class since doing so would introduce
- * a circular ownership between event classes and stream classes.
- *
- * A stream class will always unset itself from its events before
- * being destroyed. This ensures that a user won't get a pointer
- * to a stale stream class instance from an event class.
- */
+ ret = *clock_value;
+
end:
return ret;
}
-BT_HIDDEN
-int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
- struct metadata_context *context)
+static
+int set_integer_field_value(struct bt_ctf_field* field, uint64_t value)
{
int ret = 0;
- int64_t stream_id;
+ struct bt_ctf_field_type *field_type = NULL;
- assert(event_class);
- assert(context);
- stream_id = bt_ctf_stream_class_get_id(event_class->stream_class);
- if (stream_id < 0) {
+ if (!field) {
ret = -1;
goto end;
}
- 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_quark_to_string(event_class->name),
- event_class->id,
- stream_id);
+ 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) !=
+ BT_CTF_TYPE_ID_INTEGER) {
+ /* Not an integer and the value is unset, error. */
+ ret = -1;
+ goto end;
+ }
- if (event_class->context) {
- g_string_append(context->string, "\tcontext := ");
- ret = bt_ctf_field_type_serialize(event_class->context,
- context);
+ 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;
}
- 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);
+ } else {
+ ret = bt_ctf_field_unsigned_integer_set_value(field, value);
if (ret) {
+ /* Value is out of range, error. */
goto end;
}
- g_string_append(context->string, ";\n");
}
-
- g_string_append(context->string, "};\n\n");
end:
- context->current_indentation_level = 0;
+ bt_put(field_type);
return ret;
}
{
/* Make sure each field's payload has been set */
int ret;
+ struct bt_ctf_stream_class *stream_class = NULL;
assert(event);
+ ret = bt_ctf_field_validate(event->event_header);
+ if (ret) {
+ goto end;
+ }
+
+ stream_class = bt_ctf_event_class_get_stream_class(event->event_class);
+ /*
+ * We should not have been able to create the event without associating
+ * the event class to a stream class.
+ */
+ assert(stream_class);
+ if (stream_class->event_context_type) {
+ ret = bt_ctf_field_validate(event->stream_event_context);
+ if (ret) {
+ goto end;
+ }
+ }
+
ret = bt_ctf_field_validate(event->fields_payload);
if (ret) {
goto end;
ret = bt_ctf_field_validate(event->context_payload);
}
end:
+ bt_put(stream_class);
return ret;
}
}
BT_HIDDEN
-int bt_ctf_event_set_timestamp(struct bt_ctf_event *event,
- uint64_t timestamp)
+int bt_ctf_event_populate_event_header(struct bt_ctf_event *event)
{
int ret = 0;
+ struct bt_ctf_field *id_field = NULL, *timestamp_field = NULL;
- assert(event);
- if (event->timestamp) {
+ if (!event || event->frozen) {
ret = -1;
goto end;
}
- event->timestamp = timestamp;
+ id_field = bt_ctf_field_structure_get_field(event->event_header, "id");
+ if (id_field) {
+ ret = set_integer_field_value(id_field,
+ (uint64_t) bt_ctf_event_class_get_id(
+ event->event_class));
+ if (ret) {
+ goto end;
+ }
+ }
+
+ timestamp_field = bt_ctf_field_structure_get_field(event->event_header,
+ "timestamp");
+ if (timestamp_field) {
+ struct bt_ctf_field_type *timestamp_field_type =
+ bt_ctf_field_get_type(timestamp_field);
+ struct bt_ctf_clock *mapped_clock;
+
+ assert(timestamp_field_type);
+ mapped_clock = bt_ctf_field_type_integer_get_mapped_clock(
+ timestamp_field_type);
+ bt_put(timestamp_field_type);
+ if (mapped_clock) {
+ int64_t timestamp;
+
+ ret = bt_ctf_clock_get_time(mapped_clock, ×tamp);
+ bt_put(mapped_clock);
+ if (ret) {
+ goto end;
+ }
+
+ ret = set_integer_field_value(timestamp_field,
+ timestamp);
+ if (ret) {
+ goto end;
+ }
+ }
+ }
end:
+ bt_put(id_field);
+ bt_put(timestamp_field);
+ return ret;
+}
+
+struct bt_ctf_packet *bt_ctf_event_get_packet(struct bt_ctf_event *event)
+{
+ struct bt_ctf_packet *packet = NULL;
+
+ if (!event || !event->packet) {
+ goto end;
+ }
+
+ packet = bt_get(event->packet);
+end:
+ return packet;
+}
+
+int bt_ctf_event_set_packet(struct bt_ctf_event *event,
+ struct bt_ctf_packet *packet)
+{
+ struct bt_ctf_stream_class *event_stream_class = NULL;
+ struct bt_ctf_stream_class *packet_stream_class = NULL;
+ struct bt_ctf_stream *stream = NULL;
+ int ret = 0;
+
+ if (!event || !packet || event->frozen) {
+ ret = -1;
+ goto end;
+ }
+
+ /*
+ * Make sure the new packet was created by this event's
+ * stream, if it is set.
+ */
+ stream = bt_ctf_event_get_stream(event);
+ if (stream) {
+ if (packet->stream != stream) {
+ ret = -1;
+ goto end;
+ }
+ } else {
+ event_stream_class =
+ bt_ctf_event_class_get_stream_class(event->event_class);
+ packet_stream_class =
+ bt_ctf_stream_get_class(packet->stream);
+
+ assert(event_stream_class);
+ assert(packet_stream_class);
+
+ if (event_stream_class != packet_stream_class) {
+ ret = -1;
+ goto end;
+ }
+ }
+
+ bt_get(packet);
+ BT_MOVE(event->packet, packet);
+
+end:
+ BT_PUT(stream);
+ BT_PUT(event_stream_class);
+ BT_PUT(packet_stream_class);
+
return ret;
}
BT_HIDDEN
-uint64_t bt_ctf_event_get_timestamp(struct bt_ctf_event *event)
+void bt_ctf_event_freeze(struct bt_ctf_event *event)
+{
+ assert(event);
+ bt_ctf_packet_freeze(event->packet);
+ bt_ctf_field_freeze(event->event_header);
+ bt_ctf_field_freeze(event->stream_event_context);
+ bt_ctf_field_freeze(event->context_payload);
+ bt_ctf_field_freeze(event->fields_payload);
+ event->frozen = 1;
+}
+
+static
+void insert_stream_clock_value_into_event_clock_values(gpointer key,
+ gpointer value,
+ gpointer data)
{
+ struct bt_ctf_event *event = data;
+ uint64_t *clock_value;
+
assert(event);
- return event->timestamp;
+
+ /* Copy clock value because it belongs to the hash table */
+ clock_value = g_new0(uint64_t, 1);
+ *clock_value = *((uint64_t *) value);
+
+ /* Insert copy into event clock values */
+ g_hash_table_insert(event->clock_values, key, clock_value);
+}
+
+BT_HIDDEN
+int bt_ctf_event_register_stream_clock_values(struct bt_ctf_event *event)
+{
+ int ret = 0;
+ struct bt_ctf_stream *stream;
+
+ stream = bt_ctf_event_get_stream(event);
+ assert(stream);
+ g_hash_table_remove_all(event->clock_values);
+ g_hash_table_foreach(stream->clock_values,
+ insert_stream_clock_value_into_event_clock_values, event);
+ BT_PUT(stream);
+
+ return ret;
}