#include <babeltrace/assert-internal.h>
#include <inttypes.h>
-static
-void bt_event_destroy(struct bt_object *obj);
-
-static
-int bt_event_common_validate_types_for_create(
- struct bt_event_class_common *event_class,
+static inline
+int bt_event_validate_types_for_create(
+ struct bt_event_class *event_class,
struct bt_validation_output *validation_output,
bt_validation_flag_copy_field_type_func copy_field_type_func)
{
enum bt_validation_flag validation_flags =
BT_VALIDATION_FLAG_STREAM |
BT_VALIDATION_FLAG_EVENT;
- struct bt_trace_common *trace = NULL;
- struct bt_stream_class_common *stream_class = NULL;
- struct bt_field_type_common *packet_header_type = NULL;
- struct bt_field_type_common *packet_context_type = NULL;
- struct bt_field_type_common *event_header_type = NULL;
- struct bt_field_type_common *stream_event_ctx_type = NULL;
- struct bt_field_type_common *event_context_type = NULL;
- struct bt_field_type_common *event_payload_type = NULL;
+ struct bt_trace *trace = NULL;
+ struct bt_stream_class *stream_class = NULL;
+ struct bt_field_type *packet_header_type = NULL;
+ struct bt_field_type *packet_context_type = NULL;
+ struct bt_field_type *event_header_type = NULL;
+ struct bt_field_type *stream_event_ctx_type = NULL;
+ struct bt_field_type *event_context_type = NULL;
+ struct bt_field_type *event_payload_type = NULL;
int trace_valid = 0;
struct bt_value *environment = NULL;
- stream_class = bt_event_class_common_borrow_stream_class(event_class);
+ stream_class = bt_event_class_borrow_stream_class(event_class);
BT_ASSERT(stream_class);
- trace = bt_stream_class_common_borrow_trace(stream_class);
+ trace = bt_stream_class_borrow_trace(stream_class);
if (trace) {
BT_LOGD_STR("Event class is part of a trace.");
- packet_header_type = bt_trace_common_get_packet_header_field_type(trace);
+ packet_header_type =
+ bt_trace_borrow_packet_header_field_type(trace);
trace_valid = trace->valid;
BT_ASSERT(trace_valid);
environment = trace->environment;
}
- packet_context_type = bt_stream_class_common_get_packet_context_field_type(
- stream_class);
- event_header_type = bt_stream_class_common_get_event_header_field_type(
- stream_class);
- stream_event_ctx_type = bt_stream_class_common_get_event_context_field_type(
- stream_class);
- event_context_type = bt_event_class_common_get_context_field_type(event_class);
- event_payload_type = bt_event_class_common_get_payload_field_type(event_class);
+ packet_context_type =
+ bt_stream_class_borrow_packet_context_field_type(
+ stream_class);
+ event_header_type =
+ bt_stream_class_borrow_event_header_field_type(
+ stream_class);
+ stream_event_ctx_type =
+ bt_stream_class_borrow_event_context_field_type(
+ stream_class);
+ event_context_type =
+ bt_event_class_borrow_context_field_type(event_class);
+ event_payload_type =
+ bt_event_class_borrow_payload_field_type(event_class);
ret = bt_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, copy_field_type_func);
- 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
ret = -1;
end:
- BT_ASSERT(!packet_header_type);
- BT_ASSERT(!packet_context_type);
- BT_ASSERT(!event_header_type);
- BT_ASSERT(!stream_event_ctx_type);
- BT_ASSERT(!event_context_type);
- BT_ASSERT(!event_payload_type);
return ret;
}
static
-int bt_event_common_create_fields(
+int bt_event_create_fields(
+ struct bt_stream_class *stream_class,
struct bt_validation_output *validation_output,
- void *(*create_field_func)(void *),
- struct bt_field_common **header_field,
- struct bt_field_common **stream_event_context_field,
- struct bt_field_common **context_field,
- struct bt_field_common **payload_field)
+ create_field_func create_field_func,
+ release_field_func release_field_func,
+ create_header_field_func create_header_field_func,
+ release_header_field_func release_header_field_func,
+ struct bt_field_wrapper **header_field,
+ struct bt_field **stream_event_context_field,
+ struct bt_field **context_field,
+ struct bt_field **payload_field)
{
int ret = 0;
BT_LOGD("Creating initial event header field: ft-addr=%p",
validation_output->event_header_type);
*header_field =
- create_field_func(validation_output->event_header_type);
+ create_header_field_func(stream_class,
+ validation_output->event_header_type);
if (!*header_field) {
BT_LOGE_STR("Cannot create initial event header field object.");
goto error;
goto end;
error:
- BT_PUT(*header_field);
- BT_PUT(*stream_event_context_field);
- BT_PUT(*context_field);
- BT_PUT(*payload_field);
+ if (*header_field) {
+ release_header_field_func(*header_field, stream_class);
+ }
+
+ if (*stream_event_context_field) {
+ release_field_func(*stream_event_context_field);
+ }
+
+ if (*context_field) {
+ release_field_func(*context_field);
+ }
+
+ if (*payload_field) {
+ release_field_func(*payload_field);
+ }
+
ret = -1;
end:
}
BT_HIDDEN
-int _bt_event_common_validate(struct bt_event_common *event)
+int _bt_event_validate(struct bt_event *event)
{
int ret = 0;
- struct bt_stream_class_common *stream_class;
+ struct bt_stream_class *stream_class;
BT_ASSERT(event);
if (event->header_field) {
- ret = bt_field_common_validate_recursive(event->header_field);
+ ret = bt_field_validate_recursive(
+ event->header_field->field);
if (ret) {
BT_ASSERT_PRE_MSG("Invalid event's header field: "
- "%![event-]+_e, %![field-]+_f",
- event, event->header_field);
+ "%![event-]+e, %![field-]+f",
+ event, event->header_field->field);
goto end;
}
}
- stream_class = bt_event_class_common_borrow_stream_class(event->class);
+ stream_class = bt_event_class_borrow_stream_class(event->class);
/*
* We should not have been able to create the event without associating
BT_ASSERT(stream_class);
if (stream_class->event_context_field_type) {
- ret = bt_field_common_validate_recursive(
+ ret = bt_field_validate_recursive(
event->stream_event_context_field);
if (ret) {
BT_ASSERT_PRE_MSG("Invalid event's stream event context field: "
- "%![event-]+_e, %![field-]+_f",
+ "%![event-]+e, %![field-]+f",
event, event->stream_event_context_field);
goto end;
}
}
if (event->class->context_field_type) {
- ret = bt_field_common_validate_recursive(event->context_field);
+ ret = bt_field_validate_recursive(event->context_field);
if (ret) {
BT_ASSERT_PRE_MSG("Invalid event's payload field: "
- "%![event-]+_e, %![field-]+_f",
+ "%![event-]+e, %![field-]+f",
event, event->context_field);
goto end;
}
}
- ret = bt_field_common_validate_recursive(event->payload_field);
+ ret = bt_field_validate_recursive(event->payload_field);
if (ret) {
BT_ASSERT_PRE_MSG("Invalid event's payload field: "
- "%![event-]+_e, %![field-]+_f",
+ "%![event-]+e, %![field-]+f",
event, event->payload_field);
goto end;
}
}
BT_HIDDEN
-void _bt_event_common_freeze(struct bt_event_common *event)
+void _bt_event_set_is_frozen(struct bt_event *event,
+ bool is_frozen)
{
BT_ASSERT(event);
+ BT_LOGD("Freezing event: addr=%p, "
+ "event-class-name=\"%s\", event-class-id=%" PRId64,
+ event, bt_event_class_get_name(event->class),
+ bt_event_class_get_id(event->class));
- if (event->frozen) {
- return;
+ if (event->header_field) {
+ BT_LOGD_STR("Freezing event's header field.");
+ bt_field_set_is_frozen_recursive(
+ event->header_field->field, is_frozen);
}
- BT_LOGD("Freezing event: addr=%p, "
- "event-class-name=\"%s\", event-class-id=%" PRId64,
- event, bt_event_class_common_get_name(event->class),
- bt_event_class_common_get_id(event->class));
- BT_LOGD_STR("Freezing event's header field.");
- bt_field_common_freeze_recursive(event->header_field);
- BT_LOGD_STR("Freezing event's stream event context field.");
- bt_field_common_freeze_recursive(event->stream_event_context_field);
- BT_LOGD_STR("Freezing event's context field.");
- bt_field_common_freeze_recursive(event->context_field);
- BT_LOGD_STR("Freezing event's payload field.");
- bt_field_common_freeze_recursive(event->payload_field);
- event->frozen = 1;
+ if (event->stream_event_context_field) {
+ BT_LOGD_STR("Freezing event's stream event context field.");
+ bt_field_set_is_frozen_recursive(
+ event->stream_event_context_field, is_frozen);
+ }
+
+ if (event->context_field) {
+ BT_LOGD_STR("Freezing event's context field.");
+ bt_field_set_is_frozen_recursive(event->context_field,
+ is_frozen);
+ }
+
+ if (event->payload_field) {
+ BT_LOGD_STR("Freezing event's payload field.");
+ bt_field_set_is_frozen_recursive(event->payload_field,
+ is_frozen);
+ }
+
+ event->frozen = is_frozen;
+ BT_LOGD_STR("Freezing event's packet.");
+ bt_packet_set_is_frozen(event->packet, is_frozen);
}
-BT_HIDDEN
-int bt_event_common_initialize(struct bt_event_common *event,
- struct bt_event_class_common *event_class,
- struct bt_clock_class *init_expected_clock_class,
- bt_object_release_func release_func,
+static inline
+int bt_event_initialize(struct bt_event *event,
+ struct bt_event_class *event_class,
bt_validation_flag_copy_field_type_func field_type_copy_func,
- bool must_be_in_trace,
- int (*map_clock_classes_func)(struct bt_stream_class_common *stream_class,
- struct bt_field_type_common *packet_context_field_type,
- struct bt_field_type_common *event_header_field_type),
- void *(*create_field_func)(void *))
+ create_field_func create_field_func,
+ release_field_func release_field_func,
+ create_header_field_func create_header_field_func,
+ release_header_field_func release_header_field_func)
{
int ret;
- struct bt_trace_common *trace = NULL;
- struct bt_stream_class_common *stream_class = NULL;
- struct bt_field_common *event_header = NULL;
- struct bt_field_common *stream_event_context = NULL;
- struct bt_field_common *event_context = NULL;
- struct bt_field_common *event_payload = NULL;
+ struct bt_trace *trace = NULL;
+ struct bt_stream_class *stream_class = NULL;
+ struct bt_field_wrapper *event_header = NULL;
+ struct bt_field *stream_event_context = NULL;
+ struct bt_field *event_context = NULL;
+ struct bt_field *event_payload = NULL;
struct bt_validation_output validation_output = { 0 };
- struct bt_clock_class *expected_clock_class =
- init_expected_clock_class ? bt_get(init_expected_clock_class) :
- NULL;
+ struct bt_clock_class *expected_clock_class = NULL;
BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
- BT_LOGD("Initializing common event object: event-class-addr=%p, "
+ BT_LOGD("Initializing event object: event-class-addr=%p, "
"event-class-name=\"%s\", event-class-id=%" PRId64,
- event_class, bt_event_class_common_get_name(event_class),
- bt_event_class_common_get_id(event_class));
+ event_class, bt_event_class_get_name(event_class),
+ bt_event_class_get_id(event_class));
- stream_class = bt_event_class_common_borrow_stream_class(event_class);
+ stream_class = bt_event_class_borrow_stream_class(event_class);
BT_ASSERT_PRE(stream_class,
- "Event class is not part of a stream class: %!+_E", event_class);
+ "Event class is not part of a stream class: %!+E", event_class);
/* The event class was frozen when added to its stream class */
BT_ASSERT(event_class->frozen);
- trace = bt_stream_class_common_borrow_trace(stream_class);
-
- if (must_be_in_trace) {
- BT_ASSERT_PRE(trace,
- "Event class's stream class is not part of a trace: "
- "%![ec-]+_E, %![ec-]+_S", event_class, stream_class);
- }
+ trace = bt_stream_class_borrow_trace(stream_class);
+ BT_ASSERT_PRE(trace,
+ "Event class's stream class is not part of a trace: "
+ "%![ec-]+E, %![ec-]+S", event_class, stream_class);
/*
* This must be called before anything that can fail because on
* failure, the caller releases the reference to `event` to
* destroy it.
*/
- bt_object_init(event, release_func);
+ bt_object_init_unique(&event->base);
if (!stream_class->frozen) {
/*
* single clock class so that we set its expected clock
* class for future checks.
*/
- ret = bt_stream_class_common_validate_single_clock_class(
+ ret = bt_stream_class_validate_single_clock_class(
stream_class, &expected_clock_class);
if (ret) {
BT_LOGW("Event class's stream class or one of its event "
"expected-clock-class-addr=%p, "
"expected-clock-class-name=\"%s\"",
stream_class,
- bt_stream_class_common_get_id(stream_class),
- bt_stream_class_common_get_name(stream_class),
+ bt_stream_class_get_id(stream_class),
+ bt_stream_class_get_name(stream_class),
expected_clock_class,
expected_clock_class ?
bt_clock_class_get_name(expected_clock_class) :
}
/* Validate the trace, the stream class, and the event class */
- ret = bt_event_common_validate_types_for_create(
+ ret = bt_event_validate_types_for_create(
event_class, &validation_output, field_type_copy_func);
if (ret) {
- /* bt_event_common_validate_types_for_create() logs errors */
+ /* bt_event_validate_types_for_create() logs errors */
goto error;
}
- if (map_clock_classes_func) {
- /*
- * Safe to automatically map selected fields to the
- * stream's clock's class here because the stream class
- * is about to be frozen.
- */
- if (map_clock_classes_func(stream_class,
- validation_output.packet_context_type,
- validation_output.event_header_type)) {
- BT_LOGW_STR("Cannot automatically map selected stream class's "
- "field types to stream class's clock's class.");
- goto error;
- }
- }
-
/*
* 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.
+ *
+ * TODO: Is this still true now that this API and CTF writer are
+ * two different implementations?
*/
event->class = bt_get(event_class);
-
- ret = bt_event_common_create_fields(&validation_output,
- create_field_func, &event_header,
- &stream_event_context, &event_context, &event_payload);
+ ret = bt_event_create_fields(stream_class,
+ &validation_output,
+ create_field_func, release_field_func,
+ create_header_field_func, release_header_field_func,
+ &event_header, &stream_event_context, &event_context,
+ &event_payload);
if (ret) {
- /* bt_event_common_create_fields() logs errors */
+ /* bt_event_create_fields() logs errors */
goto error;
}
bt_validation_replace_types(trace, stream_class, event_class,
&validation_output,
BT_VALIDATION_FLAG_STREAM | BT_VALIDATION_FLAG_EVENT);
- BT_MOVE(event->header_field, event_header);
- BT_MOVE(event->stream_event_context_field, stream_event_context);
- BT_MOVE(event->context_field, event_context);
- BT_MOVE(event->payload_field, event_payload);
+ event->header_field = event_header;
+ event_header = NULL;
+ event->stream_event_context_field = stream_event_context;
+ stream_event_context = NULL;
+ event->context_field = event_context;
+ event_context = NULL;
+ event->payload_field = event_payload;
+ event_payload = NULL;
/*
* Put what was not moved in bt_validation_replace_types().
* Freeze the stream class since the event header must not be changed
* anymore.
*/
- bt_stream_class_common_freeze(stream_class);
+ bt_stream_class_freeze(stream_class);
/*
* It is safe to set the stream class's unique clock class
/* Put stuff we borrowed from the event class */
BT_LOGD("Initialized event object: addr=%p, event-class-name=\"%s\", "
"event-class-id=%" PRId64,
- event, bt_event_class_common_get_name(event->class),
- bt_event_class_common_get_id(event->class));
+ event, bt_event_class_get_name(event->class),
+ bt_event_class_get_id(event->class));
goto end;
error:
bt_validation_output_put_types(&validation_output);
bt_put(expected_clock_class);
- bt_put(event_header);
- bt_put(stream_event_context);
- bt_put(event_context);
- bt_put(event_payload);
+
+ if (event_header) {
+ release_header_field_func(event_header, stream_class);
+ }
+
+ if (stream_event_context) {
+ release_field_func(stream_event_context);
+ }
+
+ if (event_context) {
+ release_field_func(event_context);
+ }
+
+ if (event_payload) {
+ release_field_func(event_payload);
+ }
+
ret = -1;
end:
return ret;
}
-struct bt_event *bt_event_create(struct bt_event_class *event_class)
+static
+void bt_event_header_field_recycle(struct bt_field_wrapper *field_wrapper,
+ struct bt_stream_class *stream_class)
+{
+ BT_ASSERT(field_wrapper);
+ BT_LIB_LOGD("Recycling event header field: "
+ "addr=%p, %![sc-]+S, %![field-]+f", field_wrapper,
+ stream_class, field_wrapper->field);
+ bt_object_pool_recycle_object(
+ &stream_class->event_header_field_pool,
+ field_wrapper);
+}
+
+static
+struct bt_field_wrapper *create_event_header_field(
+ struct bt_stream_class *stream_class,
+ struct bt_field_type *ft)
+{
+ struct bt_field_wrapper *field_wrapper = NULL;
+
+ field_wrapper = bt_field_wrapper_create(
+ &stream_class->event_header_field_pool, (void *) ft);
+ if (!field_wrapper) {
+ goto error;
+ }
+
+ goto end;
+
+error:
+ if (field_wrapper) {
+ bt_event_header_field_recycle(field_wrapper, stream_class);
+ field_wrapper = NULL;
+ }
+
+end:
+ return field_wrapper;
+}
+
+BT_HIDDEN
+struct bt_event *bt_event_new(struct bt_event_class *event_class)
{
int ret;
struct bt_event *event = NULL;
+ struct bt_stream_class *stream_class;
event = g_new0(struct bt_event, 1);
if (!event) {
goto error;
}
- ret = bt_event_common_initialize(BT_TO_COMMON(event),
- BT_TO_COMMON(event_class), NULL, bt_event_destroy,
+ ret = bt_event_initialize(event, event_class,
(bt_validation_flag_copy_field_type_func) bt_field_type_copy,
- true, NULL, (void *) bt_field_create);
+ (create_field_func) bt_field_create_recursive,
+ (release_field_func) bt_field_destroy_recursive,
+ (create_header_field_func) create_event_header_field,
+ (release_header_field_func) bt_event_header_field_recycle);
+ if (ret) {
+ /* bt_event_initialize() logs errors */
+ goto error;
+ }
+
+ stream_class = bt_event_class_borrow_stream_class(event_class);
+ BT_ASSERT(stream_class);
+ ret = bt_clock_value_set_initialize(&event->cv_set);
if (ret) {
- /* bt_event_common_initialize() logs errors */
goto error;
}
- event->clock_values = g_hash_table_new_full(g_direct_hash,
- g_direct_equal, bt_put, bt_put);
- assert(event->clock_values);
goto end;
error:
- BT_PUT(event);
+ if (event) {
+ bt_event_destroy(event);
+ event = NULL;
+ }
end:
return event;
}
-struct bt_event_class *bt_event_get_class(struct bt_event *event)
+struct bt_event_class *bt_event_borrow_class(struct bt_event *event)
{
BT_ASSERT_PRE_NON_NULL(event, "Event");
- return bt_get(bt_event_common_borrow_class(BT_TO_COMMON(event)));
+ return event->class;
}
-BT_HIDDEN
struct bt_stream *bt_event_borrow_stream(struct bt_event *event)
{
- struct bt_stream *stream = NULL;
+ BT_ASSERT_PRE_NON_NULL(event, "Event");
+ return event->packet ? event->packet->stream : NULL;
+}
+
+struct bt_field *bt_event_borrow_payload(struct bt_event *event)
+{
+ struct bt_field *payload = NULL;
- BT_ASSERT(event);
+ BT_ASSERT_PRE_NON_NULL(event, "Event");
- if (event->packet) {
- stream = event->packet->stream;
+ if (!event->payload_field) {
+ BT_LOGV("Event has no current payload field: addr=%p, "
+ "event-class-name=\"%s\", event-class-id=%" PRId64,
+ event, bt_event_class_get_name(event->class),
+ bt_event_class_get_id(event->class));
+ goto end;
}
- return stream;
+ payload = event->payload_field;
+
+end:
+ return payload;
}
-struct bt_stream *bt_event_get_stream(struct bt_event *event)
+struct bt_field *bt_event_borrow_header(struct bt_event *event)
{
+ struct bt_field *header = NULL;
+
BT_ASSERT_PRE_NON_NULL(event, "Event");
- return bt_get(bt_event_borrow_stream(event));
-}
-struct bt_field *bt_event_get_payload(struct bt_event *event)
-{
- return BT_FROM_COMMON(bt_event_common_get_payload(BT_TO_COMMON(event)));
-}
+ if (!event->header_field) {
+ BT_LOGV("Event has no current header field: addr=%p, "
+ "event-class-name=\"%s\", event-class-id=%" PRId64,
+ event, bt_event_class_get_name(event->class),
+ bt_event_class_get_id(event->class));
+ goto end;
+ }
-int bt_event_set_payload(struct bt_event *event, struct bt_field *field)
-{
- return bt_event_common_set_payload(BT_TO_COMMON(event),
- (void *) field);
-}
+ header = event->header_field->field;
-struct bt_field *bt_event_get_header(struct bt_event *event)
-{
- return BT_FROM_COMMON(bt_event_common_get_header(BT_TO_COMMON(event)));
+end:
+ return header;
}
-int bt_event_set_header(struct bt_event *event, struct bt_field *field)
+struct bt_field *bt_event_borrow_context(struct bt_event *event)
{
- return bt_event_common_set_header(BT_TO_COMMON(event), (void *) field);
-}
+ struct bt_field *context = NULL;
-struct bt_field *bt_event_get_context(struct bt_event *event)
-{
- return BT_FROM_COMMON(bt_event_common_get_context(BT_TO_COMMON(event)));
-}
+ BT_ASSERT_PRE_NON_NULL(event, "Event");
-int bt_event_set_context(struct bt_event *event, struct bt_field *field)
-{
- return bt_event_common_set_context(BT_TO_COMMON(event), (void *) field);
+ if (!event->context_field) {
+ BT_LOGV("Event has no current context field: addr=%p, "
+ "event-class-name=\"%s\", event-class-id=%" PRId64,
+ event, bt_event_class_get_name(event->class),
+ bt_event_class_get_id(event->class));
+ goto end;
+ }
+
+ context = event->context_field;
+
+end:
+ return context;
}
-struct bt_field *bt_event_get_stream_event_context(
+struct bt_field *bt_event_borrow_stream_event_context(
struct bt_event *event)
{
- return BT_FROM_COMMON(bt_event_common_get_stream_event_context(
- BT_TO_COMMON(event)));
+ struct bt_field *stream_event_context = NULL;
+
+ BT_ASSERT_PRE_NON_NULL(event, "Event");
+
+ if (!event->stream_event_context_field) {
+ BT_LOGV("Event has no current stream event context field: addr=%p, "
+ "event-class-name=\"%s\", event-class-id=%" PRId64,
+ event, bt_event_class_get_name(event->class),
+ bt_event_class_get_id(event->class));
+ goto end;
+ }
+
+ stream_event_context = event->stream_event_context_field;
+
+end:
+ return stream_event_context;
}
-int bt_event_set_stream_event_context(struct bt_event *event,
- struct bt_field *field)
+static
+void release_event_header_field(struct bt_field_wrapper *field_wrapper,
+ struct bt_event *event)
{
- return bt_event_common_set_stream_event_context(
- BT_TO_COMMON(event), (void *) field);
+ struct bt_event_class *event_class = bt_event_borrow_class(event);
+
+ if (!event_class) {
+ bt_field_wrapper_destroy(field_wrapper);
+ } else {
+ struct bt_stream_class *stream_class =
+ bt_event_class_borrow_stream_class(event_class);
+
+ BT_ASSERT(stream_class);
+ bt_event_header_field_recycle(field_wrapper, stream_class);
+ }
}
-void bt_event_destroy(struct bt_object *obj)
+static inline
+void bt_event_finalize(struct bt_object *obj,
+ void (*field_release_func)(void *),
+ void (*header_field_release_func)(void *, struct bt_event *))
{
struct bt_event *event = (void *) obj;
- bt_event_common_finalize(obj);
- g_hash_table_destroy(event->clock_values);
+ BT_LOGD("Destroying event: addr=%p, "
+ "event-class-name=\"%s\", event-class-id=%" PRId64,
+ event,
+ event->class ? bt_event_class_get_name(event->class) : NULL,
+ event->class ? bt_event_class_get_id(event->class) : INT64_C(-1));
+
+ if (event->header_field) {
+ BT_LOGD_STR("Releasing event's header field.");
+ header_field_release_func(event->header_field, event);
+ }
+
+ if (event->stream_event_context_field) {
+ BT_LOGD_STR("Releasing event's stream event context field.");
+ field_release_func(event->stream_event_context_field);
+ }
+
+ if (event->context_field) {
+ BT_LOGD_STR("Releasing event's context field.");
+ field_release_func(event->context_field);
+ }
+
+ if (event->payload_field) {
+ BT_LOGD_STR("Releasing event's payload field.");
+ field_release_func(event->payload_field);
+ }
+
+ /*
+ * Leave this after calling header_field_release_func() because
+ * this function receives the event object and could need its
+ * class to perform some cleanup.
+ */
+ 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->class);
+ }
+}
+
+BT_HIDDEN
+void bt_event_destroy(struct bt_event *event)
+{
+ BT_ASSERT(event);
+ bt_event_finalize((void *) event,
+ (void *) bt_field_destroy_recursive,
+ (void *) release_event_header_field);
+ bt_clock_value_set_finalize(&event->cv_set);
BT_LOGD_STR("Putting event's packet.");
bt_put(event->packet);
g_free(event);
}
-struct bt_clock_value *bt_event_get_clock_value(
- struct bt_event *event, struct bt_clock_class *clock_class)
+int bt_event_set_clock_value(struct bt_event *event,
+ struct bt_clock_class *clock_class, uint64_t raw_value,
+ bt_bool is_default)
{
- struct bt_clock_value *clock_value = NULL;
-
BT_ASSERT_PRE_NON_NULL(event, "Event");
BT_ASSERT_PRE_NON_NULL(clock_class, "Clock class");
- clock_value = g_hash_table_lookup(event->clock_values, clock_class);
- if (!clock_value) {
- BT_LOGV("No clock value associated to the given clock class: "
- "event-addr=%p, event-class-name=\"%s\", "
- "event-class-id=%" PRId64 ", clock-class-addr=%p, "
- "clock-class-name=\"%s\"", event,
- bt_event_class_common_get_name(event->common.class),
- bt_event_class_common_get_id(event->common.class),
- clock_class, bt_clock_class_get_name(clock_class));
- goto end;
- }
-
- bt_get(clock_value);
-
-end:
- return clock_value;
+ BT_ASSERT_PRE_HOT(event, "Event", ": %!+e", event);
+ BT_ASSERT_PRE(is_default,
+ "You can only set a default clock value as of this version.");
+ return bt_clock_value_set_set_clock_value(&event->cv_set, clock_class,
+ raw_value, is_default);
}
-int bt_event_set_clock_value(struct bt_event *event,
- struct bt_clock_value *value)
+struct bt_clock_value *bt_event_borrow_default_clock_value(
+ struct bt_event *event)
{
- struct bt_trace *trace;
- struct bt_stream_class *stream_class;
- struct bt_event_class *event_class;
- struct bt_clock_class *clock_class = NULL;
+ struct bt_clock_value *clock_value = NULL;
BT_ASSERT_PRE_NON_NULL(event, "Event");
- BT_ASSERT_PRE_NON_NULL(value, "Clock value");
- BT_ASSERT_PRE_EVENT_COMMON_HOT(BT_TO_COMMON(event), "Event");
- clock_class = bt_clock_value_get_class(value);
- event_class = BT_FROM_COMMON(event->common.class);
- BT_ASSERT(event_class);
- stream_class = bt_event_class_borrow_stream_class(event_class);
- BT_ASSERT(stream_class);
- trace = bt_stream_class_borrow_trace(stream_class);
- BT_ASSERT(trace);
- BT_ASSERT_PRE(bt_trace_common_has_clock_class(BT_TO_COMMON(trace),
- clock_class),
- "Clock class is not part of event's trace: "
- "%![event-]+e, %![clock-class-]+K",
- event, clock_class);
- g_hash_table_insert(event->clock_values, clock_class, bt_get(value));
- BT_LOGV("Set event's clock value: "
- "event-addr=%p, event-class-name=\"%s\", "
- "event-class-id=%" PRId64 ", clock-class-addr=%p, "
- "clock-class-name=\"%s\", clock-value-addr=%p, "
- "clock-value-cycles=%" PRIu64,
- event, bt_event_class_common_get_name(event->common.class),
- bt_event_class_common_get_id(event->common.class),
- clock_class, bt_clock_class_get_name(clock_class),
- value, value->value);
- clock_class = NULL;
- bt_put(clock_class);
- return 0;
+ clock_value = event->cv_set.default_cv;
+ if (!clock_value) {
+ BT_LIB_LOGV("No default clock value: %![event-]+e", event);
+ }
+
+ return clock_value;
}
-struct bt_packet *bt_event_get_packet(struct bt_event *event)
+struct bt_packet *bt_event_borrow_packet(struct bt_event *event)
{
struct bt_packet *packet = NULL;
if (!event->packet) {
BT_LOGV("Event has no current packet: addr=%p, "
"event-class-name=\"%s\", event-class-id=%" PRId64,
- event, bt_event_class_common_get_name(event->common.class),
- bt_event_class_common_get_id(event->common.class));
+ event, bt_event_class_get_name(event->class),
+ bt_event_class_get_id(event->class));
goto end;
}
- packet = bt_get(event->packet);
+ packet = event->packet;
end:
return packet;
}
-int bt_event_set_packet(struct bt_event *event,
- struct bt_packet *packet)
+int bt_event_move_header(struct bt_event *event,
+ struct bt_event_header_field *header_field)
{
+ struct bt_stream_class *stream_class;
+ struct bt_field_wrapper *field_wrapper = (void *) header_field;
+
BT_ASSERT_PRE_NON_NULL(event, "Event");
- BT_ASSERT_PRE_NON_NULL(packet, "Packet");
- BT_ASSERT_PRE_EVENT_COMMON_HOT(BT_TO_COMMON(event), "Event");
+ BT_ASSERT_PRE_NON_NULL(field_wrapper, "Header field");
+ BT_ASSERT_PRE_HOT(event, "Event", ": %!+e", event);
+ stream_class = bt_event_class_borrow_stream_class(
+ bt_event_borrow_class(event));
+ BT_ASSERT_PRE(stream_class->event_header_field_type,
+ "Stream class has no event header field type: %!+S",
+ stream_class);
- /*
- * Make sure the new packet was created by this event's
- * stream, if it is set.
- */
- if (bt_event_borrow_stream(event)) {
- BT_ASSERT_PRE(packet->stream == bt_event_borrow_stream(event),
- "Packet's stream and event's stream differ: "
- "%![event-]+e, %![packet-]+a",
- event, packet);
- } else {
- BT_ASSERT_PRE(bt_event_class_borrow_stream_class(
- BT_FROM_COMMON(event->common.class)) ==
- BT_FROM_COMMON(packet->stream->common.stream_class),
- "Packet's stream class and event's stream class differ: "
- "%![event-]+e, %![packet-]+a",
- event, packet);
- }
-
- bt_get(packet);
- BT_MOVE(event->packet, packet);
- BT_LOGV("Set event's packet: event-addr=%p, "
- "event-class-name=\"%s\", event-class-id=%" PRId64 ", "
- "packet-addr=%p",
- event, bt_event_class_common_get_name(event->common.class),
- bt_event_class_common_get_id(event->common.class), packet);
- return 0;
-}
+ /* Recycle current header field: always exists */
+ BT_ASSERT(event->header_field);
+ bt_event_header_field_recycle(event->header_field,
+ stream_class);
-BT_HIDDEN
-void _bt_event_freeze(struct bt_event *event)
-{
- _bt_event_common_freeze(BT_TO_COMMON(event));
- BT_LOGD_STR("Freezing event's packet.");
- bt_packet_freeze(event->packet);
+ /* Move new field */
+ event->header_field = (void *) field_wrapper;
+ return 0;
}
projects / babeltrace.git / blobdiff