X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=lib%2Fctf-writer%2Fevent.c;h=62df18b2693a50a24b9a5e3249438a87cf135da2;hb=7cbe7b3643d4dd99097a0696c2748e4c0374dce2;hp=86d64d1620b016731fc5a4baebfa047836fd27b9;hpb=5fe68922cadda5c4f3de5b41190167cc490796f1;p=babeltrace.git diff --git a/lib/ctf-writer/event.c b/lib/ctf-writer/event.c index 86d64d16..62df18b2 100644 --- a/lib/ctf-writer/event.c +++ b/lib/ctf-writer/event.c @@ -22,38 +22,507 @@ */ #define BT_LOG_TAG "CTF-WRITER-EVENT" -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include static -void bt_ctf_event_destroy(struct bt_object *obj); +int bt_ctf_event_common_validate_types_for_create( + struct bt_ctf_event_class_common *event_class, + struct bt_ctf_validation_output *validation_output, + bt_ctf_validation_flag_copy_field_type_func copy_field_type_func) +{ + int ret; + enum bt_ctf_validation_flag validation_flags = + BT_CTF_VALIDATION_FLAG_STREAM | + BT_CTF_VALIDATION_FLAG_EVENT; + struct bt_ctf_trace_common *trace = NULL; + struct bt_ctf_stream_class_common *stream_class = NULL; + struct bt_ctf_field_type_common *packet_header_type = NULL; + struct bt_ctf_field_type_common *packet_context_type = NULL; + struct bt_ctf_field_type_common *event_header_type = NULL; + struct bt_ctf_field_type_common *stream_event_ctx_type = NULL; + struct bt_ctf_field_type_common *event_context_type = NULL; + struct bt_ctf_field_type_common *event_payload_type = NULL; + int trace_valid = 0; + struct bt_ctf_private_value *environment = NULL; + + stream_class = bt_ctf_event_class_common_borrow_stream_class(event_class); + BT_ASSERT(stream_class); + trace = bt_ctf_stream_class_common_borrow_trace(stream_class); + if (trace) { + BT_LOGD_STR("Event class is part of a trace."); + packet_header_type = + bt_ctf_trace_common_borrow_packet_header_field_type(trace); + trace_valid = trace->valid; + BT_ASSERT(trace_valid); + environment = trace->environment; + } + + packet_context_type = + bt_ctf_stream_class_common_borrow_packet_context_field_type( + stream_class); + event_header_type = + bt_ctf_stream_class_common_borrow_event_header_field_type( + stream_class); + stream_event_ctx_type = + bt_ctf_stream_class_common_borrow_event_context_field_type( + stream_class); + event_context_type = + bt_ctf_event_class_common_borrow_context_field_type(event_class); + event_payload_type = + bt_ctf_event_class_common_borrow_payload_field_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, copy_field_type_func); + if (ret) { + /* + * This means something went wrong during the validation + * process, not that the objects are invalid. + */ + BT_LOGE("Failed to validate event and parents: ret=%d", ret); + goto error; + } + + if ((validation_output->valid_flags & validation_flags) != + validation_flags) { + /* Invalid trace/stream class/event class */ + BT_LOGW("Invalid trace, stream class, or event class: " + "valid-flags=0x%x", validation_output->valid_flags); + goto error; + } + + goto end; + +error: + bt_ctf_validation_output_put_types(validation_output); + ret = -1; + +end: + return ret; +} static -int map_clock_classes_func(struct bt_stream_class_common *stream_class, - struct bt_field_type_common *packet_context_type, - struct bt_field_type_common *event_header_type) +int bt_ctf_event_common_create_fields( + struct bt_ctf_stream_class_common *stream_class, + struct bt_ctf_validation_output *validation_output, + 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_ctf_field_wrapper **header_field, + struct bt_ctf_field_common **stream_event_context_field, + struct bt_ctf_field_common **context_field, + struct bt_ctf_field_common **payload_field) +{ + int ret = 0; + + if (validation_output->event_header_type) { + BT_LOGD("Creating initial event header field: ft-addr=%p", + validation_output->event_header_type); + *header_field = + 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; + } + } + + if (validation_output->stream_event_ctx_type) { + BT_LOGD("Creating initial stream event context field: ft-addr=%p", + validation_output->stream_event_ctx_type); + *stream_event_context_field = create_field_func( + validation_output->stream_event_ctx_type); + if (!*stream_event_context_field) { + BT_LOGE_STR("Cannot create initial stream event context field object."); + goto error; + } + } + + if (validation_output->event_context_type) { + BT_LOGD("Creating initial event context field: ft-addr=%p", + validation_output->event_context_type); + *context_field = create_field_func( + validation_output->event_context_type); + if (!*context_field) { + BT_LOGE_STR("Cannot create initial event context field object."); + goto error; + } + } + + if (validation_output->event_payload_type) { + BT_LOGD("Creating initial event payload field: ft-addr=%p", + validation_output->event_payload_type); + *payload_field = create_field_func( + validation_output->event_payload_type); + if (!*payload_field) { + BT_LOGE_STR("Cannot create initial event payload field object."); + goto error; + } + } + + goto end; + +error: + 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: + return ret; +} + +BT_HIDDEN +int _bt_ctf_event_common_validate(struct bt_ctf_event_common *event) +{ + int ret = 0; + struct bt_ctf_stream_class_common *stream_class; + + BT_ASSERT(event); + if (event->header_field) { + ret = bt_ctf_field_common_validate_recursive( + event->header_field->field); + if (ret) { + BT_ASSERT_PRE_MSG("Invalid event's header field: " + "event-addr=%p, field-addr=%p", + event, event->header_field->field); + goto end; + } + } + + stream_class = bt_ctf_event_class_common_borrow_stream_class(event->class); + + /* + * We should not have been able to create the event without associating + * the event class to a stream class. + */ + BT_ASSERT(stream_class); + + if (stream_class->event_context_field_type) { + ret = bt_ctf_field_common_validate_recursive( + event->stream_event_context_field); + if (ret) { + BT_ASSERT_PRE_MSG("Invalid event's stream event context field: " + "event-addr=%p, field-addr=%p", + event, event->stream_event_context_field); + goto end; + } + } + + if (event->class->context_field_type) { + ret = bt_ctf_field_common_validate_recursive(event->context_field); + if (ret) { + BT_ASSERT_PRE_MSG("Invalid event's payload field: " + "event-addr=%p, field-addr=%p", + event, event->context_field); + goto end; + } + } + + ret = bt_ctf_field_common_validate_recursive(event->payload_field); + if (ret) { + BT_ASSERT_PRE_MSG("Invalid event's payload field: " + "event-addr=%p, field-addr=%p", + event, event->payload_field); + goto end; + } + +end: + return ret; +} + +BT_HIDDEN +void _bt_ctf_event_common_set_is_frozen(struct bt_ctf_event_common *event, + bool is_frozen) +{ + BT_ASSERT(event); + BT_LOGD("Freezing event: addr=%p, " + "event-class-name=\"%s\", event-class-id=%" PRId64, + event, bt_ctf_event_class_common_get_name(event->class), + bt_ctf_event_class_common_get_id(event->class)); + + if (event->header_field) { + BT_LOGD_STR("Freezing event's header field."); + bt_ctf_field_common_set_is_frozen_recursive( + event->header_field->field, is_frozen); + } + + if (event->stream_event_context_field) { + BT_LOGD_STR("Freezing event's stream event context field."); + bt_ctf_field_common_set_is_frozen_recursive( + event->stream_event_context_field, is_frozen); + } + + if (event->context_field) { + BT_LOGD_STR("Freezing event's context field."); + bt_ctf_field_common_set_is_frozen_recursive(event->context_field, + is_frozen); + } + + if (event->payload_field) { + BT_LOGD_STR("Freezing event's payload field."); + bt_ctf_field_common_set_is_frozen_recursive(event->payload_field, + is_frozen); + } + + event->frozen = is_frozen; +} + +BT_HIDDEN +int bt_ctf_event_common_initialize(struct bt_ctf_event_common *event, + struct bt_ctf_event_class_common *event_class, + struct bt_ctf_clock_class *init_expected_clock_class, + bool is_shared_with_parent, bt_ctf_object_release_func release_func, + bt_ctf_validation_flag_copy_field_type_func field_type_copy_func, + bool must_be_in_trace, + int (*map_clock_classes_func)(struct bt_ctf_stream_class_common *stream_class, + struct bt_ctf_field_type_common *packet_context_field_type, + struct bt_ctf_field_type_common *event_header_field_type), + 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_ctf_trace_common *trace = NULL; + struct bt_ctf_stream_class_common *stream_class = NULL; + struct bt_ctf_field_wrapper *event_header = NULL; + struct bt_ctf_field_common *stream_event_context = NULL; + struct bt_ctf_field_common *event_context = NULL; + struct bt_ctf_field_common *event_payload = NULL; + struct bt_ctf_validation_output validation_output = { 0 }; + struct bt_ctf_clock_class *expected_clock_class = + init_expected_clock_class ? bt_ctf_object_get_ref(init_expected_clock_class) : + NULL; + + BT_ASSERT_PRE_NON_NULL(event_class, "Event class"); + BT_LOGD("Initializing common event object: event-class-addr=%p, " + "event-class-name=\"%s\", event-class-id=%" PRId64, + event_class, bt_ctf_event_class_common_get_name(event_class), + bt_ctf_event_class_common_get_id(event_class)); + + stream_class = bt_ctf_event_class_common_borrow_stream_class(event_class); + BT_ASSERT_PRE(stream_class, + "Event class is not part of a stream class: event-class-addr=%p", + event_class); + + /* The event class was frozen when added to its stream class */ + BT_ASSERT(event_class->frozen); + trace = bt_ctf_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-addr=%p, sc-addr=%p", 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. + */ + if (is_shared_with_parent) { + bt_ctf_object_init_shared_with_parent(&event->base, release_func); + } else { + bt_ctf_object_init_unique(&event->base); + } + + if (!stream_class->frozen) { + /* + * Because this function freezes the stream class, + * validate that this stream class contains at most a + * single clock class so that we set its expected clock + * class for future checks. + */ + ret = bt_ctf_stream_class_common_validate_single_clock_class( + stream_class, &expected_clock_class); + if (ret) { + BT_LOGW("Event class's stream class or one of its event " + "classes contains a field type which is not " + "recursively mapped to the expected " + "clock class: " + "stream-class-addr=%p, " + "stream-class-id=%" PRId64 ", " + "stream-class-name=\"%s\", " + "expected-clock-class-addr=%p, " + "expected-clock-class-name=\"%s\"", + stream_class, + bt_ctf_stream_class_common_get_id(stream_class), + bt_ctf_stream_class_common_get_name(stream_class), + expected_clock_class, + expected_clock_class ? + bt_ctf_clock_class_get_name(expected_clock_class) : + NULL); + goto error; + } + } + + /* Validate the trace, the stream class, and the event class */ + ret = bt_ctf_event_common_validate_types_for_create( + event_class, &validation_output, field_type_copy_func); + if (ret) { + /* bt_ctf_event_common_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. + */ + event->class = bt_ctf_object_get_ref(event_class); + + ret = bt_ctf_event_common_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_ctf_event_common_create_fields() logs errors */ + 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, + BT_CTF_VALIDATION_FLAG_STREAM | BT_CTF_VALIDATION_FLAG_EVENT); + 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_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_common_freeze(stream_class); + + /* + * It is safe to set the stream class's unique clock class + * now because the stream class is frozen. + */ + if (expected_clock_class) { + BT_CTF_OBJECT_MOVE_REF(stream_class->clock_class, expected_clock_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_LOGD("Initialized event object: addr=%p, event-class-name=\"%s\", " + "event-class-id=%" PRId64, + event, bt_ctf_event_class_common_get_name(event->class), + bt_ctf_event_class_common_get_id(event->class)); + goto end; + +error: + bt_ctf_validation_output_put_types(&validation_output); + bt_ctf_object_put_ref(expected_clock_class); + + 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; +} + +int map_clock_classes_func(struct bt_ctf_stream_class_common *stream_class, + struct bt_ctf_field_type_common *packet_context_type, + struct bt_ctf_field_type_common *event_header_type) { int ret = bt_ctf_stream_class_map_clock_class( - BT_FROM_COMMON(stream_class), - BT_FROM_COMMON(packet_context_type), - BT_FROM_COMMON(event_header_type)); + BT_CTF_FROM_COMMON(stream_class), + BT_CTF_FROM_COMMON(packet_context_type), + BT_CTF_FROM_COMMON(event_header_type)); if (ret) { BT_LOGW_STR("Cannot automatically map selected stream class's field types to stream class's clock's class."); @@ -62,11 +531,69 @@ int map_clock_classes_func(struct bt_stream_class_common *stream_class, return ret; } +static +void destroy_event_header_field(struct bt_ctf_field_wrapper *field_wrapper) +{ + BT_ASSERT(field_wrapper); + bt_ctf_object_put_ref(field_wrapper->field); + bt_ctf_field_wrapper_destroy(field_wrapper); +} + +static +struct bt_ctf_field_wrapper *create_event_header_field( + struct bt_ctf_stream_class *stream_class, + struct bt_ctf_field_type_common *ft) +{ + struct bt_ctf_field_wrapper *field_wrapper = NULL; + struct bt_ctf_field *field = bt_ctf_field_create((void *) ft); + + if (!field) { + goto error; + } + + field_wrapper = bt_ctf_field_wrapper_new(NULL); + if (!field_wrapper) { + goto error; + } + + field_wrapper->field = (void *) field; + field = NULL; + goto end; + +error: + bt_ctf_object_put_ref(field); + + if (field_wrapper) { + destroy_event_header_field(field_wrapper); + field_wrapper = NULL; + } + +end: + return field_wrapper; +} + +static +void release_event_header_field(struct bt_ctf_field_wrapper *field_wrapper, + struct bt_ctf_event_common *event_common) +{ + BT_ASSERT(field_wrapper); + BT_CTF_OBJECT_PUT_REF_AND_RESET(field_wrapper->field); + bt_ctf_field_wrapper_destroy(field_wrapper); +} + +static +void bt_ctf_event_destroy(struct bt_ctf_object *obj) +{ + bt_ctf_event_common_finalize(obj, (void *) bt_ctf_object_put_ref, + (void *) release_event_header_field); + g_free(obj); +} + struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class) { int ret; struct bt_ctf_event *event = NULL; - struct bt_clock_class *expected_clock_class = NULL; + struct bt_ctf_clock_class *expected_clock_class = NULL; event = g_new0(struct bt_ctf_event, 1); if (!event) { @@ -76,31 +603,33 @@ struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class) if (event_class) { struct bt_ctf_stream_class *stream_class = - BT_FROM_COMMON(bt_event_class_common_borrow_stream_class( - BT_TO_COMMON(event_class))); + BT_CTF_FROM_COMMON(bt_ctf_event_class_common_borrow_stream_class( + BT_CTF_TO_COMMON(event_class))); if (stream_class && stream_class->clock) { - expected_clock_class = BT_TO_COMMON( - stream_class->clock->clock_class); + expected_clock_class = stream_class->clock->clock_class; } } - ret = bt_event_common_initialize(BT_TO_COMMON(event), - BT_TO_COMMON(event_class), expected_clock_class, - bt_ctf_event_destroy, - (bt_validation_flag_copy_field_type_func) + ret = bt_ctf_event_common_initialize(BT_CTF_TO_COMMON(event), + BT_CTF_TO_COMMON(event_class), expected_clock_class, + true, bt_ctf_event_destroy, + (bt_ctf_validation_flag_copy_field_type_func) bt_ctf_field_type_copy, false, map_clock_classes_func, - (void *) bt_ctf_field_create); + (create_field_func) bt_ctf_field_create, + (release_field_func) bt_ctf_object_put_ref, + (create_header_field_func) create_event_header_field, + (release_header_field_func) destroy_event_header_field); if (ret) { - /* bt_event_common_initialize() logs errors */ + /* bt_ctf_event_common_initialize() logs errors */ goto error; } goto end; error: - BT_PUT(event); + BT_CTF_OBJECT_PUT_REF_AND_RESET(event); end: return event; @@ -109,7 +638,7 @@ end: struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event) { BT_ASSERT_PRE_NON_NULL(event, "Event"); - return bt_get(bt_event_common_borrow_class(BT_TO_COMMON(event))); + return bt_ctf_object_get_ref(bt_ctf_event_common_borrow_class(BT_CTF_TO_COMMON(event))); } BT_HIDDEN @@ -117,13 +646,13 @@ struct bt_ctf_stream *bt_ctf_event_borrow_stream(struct bt_ctf_event *event) { BT_ASSERT(event); return (struct bt_ctf_stream *) - bt_object_borrow_parent(BT_TO_COMMON(event)); + bt_ctf_object_borrow_parent(&BT_CTF_TO_COMMON(event)->base); } struct bt_ctf_stream *bt_ctf_event_get_stream(struct bt_ctf_event *event) { BT_ASSERT_PRE_NON_NULL(event, "Event"); - return bt_get(bt_ctf_event_borrow_stream(event)); + return bt_ctf_object_get_ref(bt_ctf_event_borrow_stream(event)); } int bt_ctf_event_set_payload(struct bt_ctf_event *event, const char *name, @@ -131,9 +660,9 @@ int bt_ctf_event_set_payload(struct bt_ctf_event *event, const char *name, { BT_ASSERT_PRE_NON_NULL(event, "Event"); BT_ASSERT_PRE_NON_NULL(field, "Payload field"); - BT_ASSERT_PRE_EVENT_COMMON_HOT(BT_TO_COMMON(event), "Event"); + BT_ASSERT_PRE_EVENT_COMMON_HOT(BT_CTF_TO_COMMON(event), "Event"); return bt_ctf_field_structure_set_field_by_name( - BT_FROM_COMMON(event->common.payload_field), name, field); + (void *) event->common.payload_field, name, field); } struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event, @@ -145,10 +674,10 @@ struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event, if (name) { field = bt_ctf_field_structure_get_field_by_name( - BT_FROM_COMMON(event->common.payload_field), name); + BT_CTF_FROM_COMMON(event->common.payload_field), name); } else { - field = BT_FROM_COMMON(event->common.payload_field); - bt_get(field); + field = BT_CTF_FROM_COMMON(event->common.payload_field); + bt_ctf_object_get_ref(field); } return field; @@ -157,80 +686,48 @@ struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event, struct bt_ctf_field *bt_ctf_event_get_payload_field( struct bt_ctf_event *event) { - return bt_get(bt_event_common_borrow_payload(BT_TO_COMMON(event))); -} - -int bt_ctf_event_set_payload_field(struct bt_ctf_event *event, - struct bt_ctf_field *field) -{ - return bt_event_common_set_payload(BT_TO_COMMON(event), (void *) field); + return bt_ctf_object_get_ref(bt_ctf_event_common_borrow_payload(BT_CTF_TO_COMMON(event))); } struct bt_ctf_field *bt_ctf_event_get_header(struct bt_ctf_event *event) { - return bt_get(bt_event_common_borrow_header(BT_TO_COMMON(event))); -} - -int bt_ctf_event_set_header(struct bt_ctf_event *event, - struct bt_ctf_field *field) -{ - return bt_event_common_set_header(BT_TO_COMMON(event), (void *) field); + return bt_ctf_object_get_ref(bt_ctf_event_common_borrow_header(BT_CTF_TO_COMMON(event))); } struct bt_ctf_field *bt_ctf_event_get_context(struct bt_ctf_event *event) { - return bt_get(bt_event_common_borrow_context(BT_TO_COMMON(event))); -} - -int bt_ctf_event_set_context(struct bt_ctf_event *event, - struct bt_ctf_field *field) -{ - return bt_event_common_set_context(BT_TO_COMMON(event), (void *) field); + return bt_ctf_object_get_ref(bt_ctf_event_common_borrow_context(BT_CTF_TO_COMMON(event))); } struct bt_ctf_field *bt_ctf_event_get_stream_event_context( struct bt_ctf_event *event) { - return bt_get(bt_event_common_borrow_stream_event_context( - BT_TO_COMMON(event))); -} - -int bt_ctf_event_set_stream_event_context(struct bt_ctf_event *event, - struct bt_ctf_field *field) -{ - return bt_event_common_set_stream_event_context( - BT_TO_COMMON(event), (void *) field); -} - -static -void bt_ctf_event_destroy(struct bt_object *obj) -{ - bt_event_common_finalize(obj); - g_free(obj); + return bt_ctf_object_get_ref(bt_ctf_event_common_borrow_stream_event_context( + BT_CTF_TO_COMMON(event))); } BT_HIDDEN int bt_ctf_event_serialize(struct bt_ctf_event *event, - struct bt_ctf_stream_pos *pos, + struct bt_ctfser *ctfser, enum bt_ctf_byte_order native_byte_order) { int ret = 0; BT_ASSERT(event); - BT_ASSERT(pos); + BT_ASSERT(ctfser); BT_LOGV_STR("Serializing event's context field."); if (event->common.context_field) { ret = bt_ctf_field_serialize_recursive( - (void *) event->common.context_field, pos, + (void *) event->common.context_field, ctfser, native_byte_order); if (ret) { BT_LOGW("Cannot serialize event's context field: " "event-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)); + bt_ctf_event_class_common_get_name(event->common.class), + bt_ctf_event_class_common_get_id(event->common.class)); goto end; } } @@ -238,15 +735,15 @@ int bt_ctf_event_serialize(struct bt_ctf_event *event, BT_LOGV_STR("Serializing event's payload field."); if (event->common.payload_field) { ret = bt_ctf_field_serialize_recursive( - (void *) event->common.payload_field, pos, + (void *) event->common.payload_field, ctfser, native_byte_order); if (ret) { BT_LOGW("Cannot serialize event's payload field: " "event-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)); + bt_ctf_event_class_common_get_name(event->common.class), + bt_ctf_event_class_common_get_id(event->common.class)); goto end; } } @@ -258,5 +755,146 @@ end: BT_HIDDEN void _bt_ctf_event_freeze(struct bt_ctf_event *event) { - _bt_event_common_freeze(BT_TO_COMMON(event)); + _bt_ctf_event_common_set_is_frozen(BT_CTF_TO_COMMON(event), true); +} + +int bt_ctf_event_set_header(struct bt_ctf_event *event, + struct bt_ctf_field *header) +{ + BT_ASSERT_PRE_NON_NULL(event, "Event"); + BT_ASSERT_PRE_EVENT_COMMON_HOT(BT_CTF_TO_COMMON(event), "Event"); + + /* + * Ensure the provided header's type matches the one registered to the + * stream class. + */ + if (header) { + BT_ASSERT_PRE(bt_ctf_field_type_common_compare( + ((struct bt_ctf_field_common *) header)->type, + bt_ctf_event_class_common_borrow_stream_class(event->common.class)->event_header_field_type) == 0, + "Header field's type is different from the " + "expected field type: event-addr=%p, ft-addr=%p, " + "expected-ft-addr=%p", + event, ((struct bt_ctf_field_common *) header)->type, + bt_ctf_event_class_common_borrow_stream_class(event->common.class)->event_header_field_type); + } else { + BT_ASSERT_PRE(!bt_ctf_event_class_common_borrow_stream_class(event->common.class)->event_header_field_type, + "Setting no event header field, " + "but event header field type is not NULL: ", + "event-addr=%p, header-ft-addr=%p", + event, + bt_ctf_event_class_common_borrow_stream_class(event->common.class)->event_header_field_type); + } + + bt_ctf_object_put_ref(event->common.header_field->field); + event->common.header_field->field = bt_ctf_object_get_ref(header); + BT_LOGV("Set event's header field: event-addr=%p, " + "event-class-name=\"%s\", event-class-id=%" PRId64 ", " + "header-field-addr=%p", + event, bt_ctf_event_class_common_get_name(event->common.class), + bt_ctf_event_class_common_get_id(event->common.class), header); + return 0; +} + +int bt_ctf_event_common_set_payload(struct bt_ctf_event *event, + struct bt_ctf_field *payload) +{ + BT_ASSERT_PRE_NON_NULL(event, "Event"); + BT_ASSERT_PRE_EVENT_COMMON_HOT(BT_CTF_TO_COMMON(event), "Event"); + + if (payload) { + BT_ASSERT_PRE(bt_ctf_field_type_common_compare( + ((struct bt_ctf_field_common *) payload)->type, + event->common.class->payload_field_type) == 0, + "Payload field's type is different from the " + "expected field type: event-addr=%p, ft-addr=%p, " + "expected-ft-addr=%p", + event, + ((struct bt_ctf_field_common *) payload)->type, + event->common.class->payload_field_type); + } else { + BT_ASSERT_PRE(!event->common.class->payload_field_type, + "Setting no event payload field, " + "but event payload field type is not NULL: ", + "event-addr=%p, payload-ft-addr=%p", + event, event->common.class->payload_field_type); + } + + bt_ctf_object_put_ref(event->common.payload_field); + event->common.payload_field = bt_ctf_object_get_ref(payload); + BT_LOGV("Set event's payload field: event-addr=%p, " + "event-class-name=\"%s\", event-class-id=%" PRId64 ", " + "payload-field-addr=%p", + event, bt_ctf_event_class_common_get_name(event->common.class), + bt_ctf_event_class_common_get_id(event->common.class), payload); + return 0; +} + +int bt_ctf_event_set_context(struct bt_ctf_event *event, + struct bt_ctf_field *context) +{ + BT_ASSERT_PRE_NON_NULL(event, "Event"); + BT_ASSERT_PRE_EVENT_COMMON_HOT(BT_CTF_TO_COMMON(event), "Event"); + + if (context) { + BT_ASSERT_PRE(bt_ctf_field_type_common_compare( + ((struct bt_ctf_field_common *) context)->type, + event->common.class->context_field_type) == 0, + "Context field's type is different from the " + "expected field type: event-addr=%p, ft-addr=%p, " + "expected-ft-addr=%p", + event, ((struct bt_ctf_field_common *) context)->type, + event->common.class->context_field_type); + } else { + BT_ASSERT_PRE(!event->common.class->context_field_type, + "Setting no event context field, " + "but event context field type is not NULL: ", + "event-addr=%p, context-ft-addr=%p", + event, event->common.class->context_field_type); + } + + bt_ctf_object_put_ref(event->common.context_field); + event->common.context_field = bt_ctf_object_get_ref(context); + BT_LOGV("Set event's context field: event-addr=%p, " + "event-class-name=\"%s\", event-class-id=%" PRId64 ", " + "context-field-addr=%p", + event, bt_ctf_event_class_common_get_name(event->common.class), + bt_ctf_event_class_common_get_id(event->common.class), context); + return 0; +} + +int bt_ctf_event_set_stream_event_context(struct bt_ctf_event *event, + struct bt_ctf_field *stream_event_context) +{ + BT_ASSERT_PRE_NON_NULL(event, "Event"); + BT_ASSERT_PRE_EVENT_COMMON_HOT(BT_CTF_TO_COMMON(event), "Event"); + + if (stream_event_context) { + BT_ASSERT_PRE(bt_ctf_field_type_common_compare( + ((struct bt_ctf_field_common *) stream_event_context)->type, + bt_ctf_event_class_common_borrow_stream_class(event->common.class)->event_context_field_type) == 0, + "Stream event context field's type is different from the " + "expected field type: event-addr=%p, ft-addr=%p, " + "expected-ft-addr=%p", + event, + ((struct bt_ctf_field_common *) stream_event_context)->type, + bt_ctf_event_class_common_borrow_stream_class(event->common.class)->event_context_field_type); + } else { + BT_ASSERT_PRE(!bt_ctf_event_class_common_borrow_stream_class(event->common.class)->event_context_field_type, + "Setting no stream event context field, " + "but stream event context field type is not NULL: ", + "event-addr=%p, context-ft-addr=%p", + event, + bt_ctf_event_class_common_borrow_stream_class(event->common.class)->event_context_field_type); + } + + bt_ctf_object_put_ref(event->common.stream_event_context_field); + event->common.stream_event_context_field = bt_ctf_object_get_ref(stream_event_context); + BT_LOGV("Set event's stream event context field: event-addr=%p, " + "event-class-name=\"%s\", event-class-id=%" PRId64 ", " + "stream-event-context-field-addr=%p", + event, bt_ctf_event_class_common_get_name(event->common.class), + bt_ctf_event_class_common_get_id(event->common.class), + stream_event_context); + return 0; }