+++ /dev/null
-/*
- * event.c
- *
- * Babeltrace CTF IR - Event
- *
- * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#define BT_LOG_TAG "EVENT"
-#include <babeltrace/lib-logging-internal.h>
-
-#include <babeltrace/assert-pre-internal.h>
-#include <babeltrace/ctf-ir/fields-internal.h>
-#include <babeltrace/ctf-ir/field-types-internal.h>
-#include <babeltrace/ctf-ir/clock-class.h>
-#include <babeltrace/ctf-ir/clock-value.h>
-#include <babeltrace/ctf-ir/clock-value-internal.h>
-#include <babeltrace/ctf-ir/clock-class-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.h>
-#include <babeltrace/ctf-ir/trace-internal.h>
-#include <babeltrace/ctf-ir/packet-internal.h>
-#include <babeltrace/ref.h>
-#include <babeltrace/ctf-ir/attributes-internal.h>
-#include <babeltrace/compiler-internal.h>
-#include <babeltrace/assert-internal.h>
-#include <inttypes.h>
-
-BT_HIDDEN
-void _bt_event_set_is_frozen(struct bt_event *event, bool is_frozen)
-{
- BT_ASSERT(event);
- BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
- event, is_frozen);
-
- if (event->header_field) {
- BT_LOGD_STR("Setting event's header field's frozen state.");
- bt_field_set_is_frozen(
- event->header_field->field, is_frozen);
- }
-
- if (event->common_context_field) {
- BT_LOGD_STR("Setting event's common context field's frozen state.");
- bt_field_set_is_frozen(
- event->common_context_field, is_frozen);
- }
-
- if (event->specific_context_field) {
- BT_LOGD_STR("Setting event's specific context field's frozen state.");
- bt_field_set_is_frozen(event->specific_context_field,
- is_frozen);
- }
-
- if (event->payload_field) {
- BT_LOGD_STR("Setting event's payload field's frozen state.");
- bt_field_set_is_frozen(event->payload_field,
- is_frozen);
- }
-
- event->frozen = is_frozen;
- BT_LOGD_STR("Setting event's packet's frozen state.");
- bt_packet_set_is_frozen(event->packet, is_frozen);
-}
-
-static
-void recycle_event_header_field(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 inline
-struct bt_field_wrapper *create_event_header_field(
- struct bt_stream_class *stream_class)
-{
- struct bt_field_wrapper *field_wrapper = NULL;
-
- field_wrapper = bt_field_wrapper_create(
- &stream_class->event_header_field_pool,
- bt_stream_class_borrow_event_header_field_type(stream_class));
- if (!field_wrapper) {
- goto error;
- }
-
- goto end;
-
-error:
- if (field_wrapper) {
- recycle_event_header_field(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)
-{
- struct bt_event *event = NULL;
- struct bt_stream_class *stream_class;
- struct bt_field_type *ft;
-
- BT_ASSERT(event_class);
- event = g_new0(struct bt_event, 1);
- if (!event) {
- BT_LOGE_STR("Failed to allocate one event.");
- goto error;
- }
-
- bt_object_init_unique(&event->base);
- stream_class = bt_event_class_borrow_stream_class(event_class);
- BT_ASSERT(stream_class);
-
- if (bt_stream_class_borrow_event_header_field_type(stream_class)) {
- event->header_field = create_event_header_field(stream_class);
- if (!event->header_field) {
- BT_LOGE_STR("Cannot create event header field.");
- goto error;
- }
- }
-
- ft = bt_stream_class_borrow_event_common_context_field_type(
- stream_class);
- if (ft) {
- event->common_context_field = bt_field_create(ft);
- if (!event->common_context_field) {
- /* bt_field_create() logs errors */
- goto error;
- }
- }
-
- ft = bt_event_class_borrow_specific_context_field_type(event_class);
- if (ft) {
- event->specific_context_field = bt_field_create(ft);
- if (!event->specific_context_field) {
- /* bt_field_create() logs errors */
- goto error;
- }
- }
-
- ft = bt_event_class_borrow_payload_field_type(event_class);
- if (ft) {
- event->payload_field = bt_field_create(ft);
- if (!event->payload_field) {
- /* bt_field_create() logs errors */
- goto error;
- }
- }
-
- if (stream_class->default_clock_class) {
- event->default_cv = bt_clock_value_create(
- stream_class->default_clock_class);
- if (!event->default_cv) {
- /* bt_clock_value_create() logs errors */
- goto error;
- }
- }
-
- goto end;
-
-error:
- if (event) {
- bt_event_destroy(event);
- event = NULL;
- }
-
-end:
- return event;
-}
-
-struct bt_event_class *bt_event_borrow_class(struct bt_event *event)
-{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- return event->class;
-}
-
-struct bt_stream *bt_event_borrow_stream(struct bt_event *event)
-{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- return event->packet ? event->packet->stream : NULL;
-}
-
-struct bt_field *bt_event_borrow_header_field(struct bt_event *event)
-{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- return event->header_field ? event->header_field->field : NULL;
-}
-
-struct bt_field *bt_event_borrow_common_context_field(struct bt_event *event)
-{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- return event->common_context_field;
-}
-
-struct bt_field *bt_event_borrow_specific_context_field(struct bt_event *event)
-{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- return event->specific_context_field;
-}
-
-struct bt_field *bt_event_borrow_payload_field(struct bt_event *event)
-{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- return event->payload_field;
-}
-
-static
-void release_event_header_field(struct bt_field_wrapper *field_wrapper,
- struct bt_event *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);
- recycle_event_header_field(field_wrapper, stream_class);
- }
-}
-
-BT_HIDDEN
-void bt_event_destroy(struct bt_event *event)
-{
- BT_ASSERT(event);
- BT_LIB_LOGD("Destroying event: %!+e", event);
-
- if (event->header_field) {
- BT_LOGD_STR("Releasing event's header field.");
- release_event_header_field(event->header_field, event);
- }
-
- if (event->common_context_field) {
- BT_LOGD_STR("Destroying event's stream event context field.");
- bt_field_destroy(event->common_context_field);
- }
-
- if (event->specific_context_field) {
- BT_LOGD_STR("Destroying event's context field.");
- bt_field_destroy(event->specific_context_field);
- }
-
- if (event->payload_field) {
- BT_LOGD_STR("Destroying event's payload field.");
- bt_field_destroy(event->payload_field);
- }
-
- BT_LOGD_STR("Putting event's class.");
- bt_put(event->class);
-
- if (event->default_cv) {
- bt_clock_value_recycle(event->default_cv);
- }
-
- BT_LOGD_STR("Putting event's packet.");
- bt_put(event->packet);
- g_free(event);
-}
-
-int bt_event_set_default_clock_value(struct bt_event *event,
- uint64_t value_cycles)
-{
- struct bt_stream_class *sc;
-
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- BT_ASSERT_PRE_EVENT_HOT(event);
- sc = bt_event_class_borrow_stream_class_inline(event->class);
- BT_ASSERT(sc);
- BT_ASSERT_PRE(sc->default_clock_class,
- "Event's stream class has no default clock class: "
- "%![ev-]+e, %![sc-]+S", event, sc);
- BT_ASSERT(event->default_cv);
- bt_clock_value_set_value_inline(event->default_cv, value_cycles);
- BT_LIB_LOGV("Set event's default clock value: %![event-]+e, "
- "value=%" PRIu64, event, value_cycles);
- return 0;
-}
-
-enum bt_clock_value_status bt_event_borrow_default_clock_value(
- struct bt_event *event, struct bt_clock_value **clock_value)
-{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- BT_ASSERT_PRE_NON_NULL(clock_value, "Clock value (output)");
- *clock_value = event->default_cv;
- return BT_CLOCK_VALUE_STATUS_KNOWN;
-}
-
-struct bt_packet *bt_event_borrow_packet(struct bt_event *event)
-{
- BT_ASSERT_PRE_NON_NULL(event, "Event");
- return event->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(field_wrapper, "Header field");
- BT_ASSERT_PRE_EVENT_HOT(event);
- stream_class = bt_event_class_borrow_stream_class_inline(event->class);
- BT_ASSERT_PRE(stream_class->event_header_ft,
- "Stream class has no event header field type: %!+S",
- stream_class);
-
- /* Recycle current header field: always exists */
- BT_ASSERT(event->header_field);
- recycle_event_header_field(event->header_field, stream_class);
-
- /* Move new field */
- event->header_field = field_wrapper;
- return 0;
-}
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