[babeltrace.git] / src / lib / trace-ir / event.c

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 */

#define BT_LOG_TAG "LIB/EVENT"
#include "lib/logging.h"

#include "lib/assert-cond.h"
#include <babeltrace2/trace-ir/event.h>
#include <babeltrace2/trace-ir/event-class.h>
#include <babeltrace2/trace-ir/stream-class.h>
#include <babeltrace2/trace-ir/packet.h>
#include <babeltrace2/trace-ir/trace.h>
#include "common/assert.h"
#include "compat/compiler.h"
#include <stdbool.h>

#include "field.h"
#include "field-class.h"
#include "event.h"
#include "stream-class.h"
#include "stream.h"
#include "packet.h"
#include "packet.h"
#include "event-class.h"

void _bt_event_set_is_frozen(const struct bt_event *event, bool is_frozen)
{
	BT_ASSERT_DBG(event);
	BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
		event, 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);
	}

	((struct bt_event *) event)->frozen = is_frozen;

	if (event->packet) {
		BT_LOGD_STR("Setting event's packet's frozen state.");
		bt_packet_set_is_frozen(event->packet, is_frozen);
	}
}

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_class *fc;

	BT_ASSERT(event_class);
	event = g_new0(struct bt_event, 1);
	if (!event) {
		BT_LIB_LOGE_APPEND_CAUSE("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);
	fc = stream_class->event_common_context_fc;
	if (fc) {
		event->common_context_field = bt_field_create(fc);
		if (!event->common_context_field) {
			/* bt_field_create() logs errors */
			goto error;
		}
	}

	fc = event_class->specific_context_fc;
	if (fc) {
		event->specific_context_field = bt_field_create(fc);
		if (!event->specific_context_field) {
			/* bt_field_create() logs errors */
			goto error;
		}
	}

	fc = event_class->payload_fc;
	if (fc) {
		event->payload_field = bt_field_create(fc);
		if (!event->payload_field) {
			/* bt_field_create() logs errors */
			goto error;
		}
	}

	goto end;

error:
	if (event) {
		bt_event_destroy(event);
		event = NULL;
	}

end:
	return event;
}

BT_EXPORT
struct bt_event_class *bt_event_borrow_class(struct bt_event *event)
{
	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	return event->class;
}

BT_EXPORT
const struct bt_event_class *bt_event_borrow_class_const(
		const struct bt_event *event)
{
	return bt_event_borrow_class((void *) event);
}

BT_EXPORT
struct bt_stream *bt_event_borrow_stream(struct bt_event *event)
{
	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	return event->stream;
}

BT_EXPORT
const struct bt_stream *bt_event_borrow_stream_const(
		const struct bt_event *event)
{
	return bt_event_borrow_stream((void *) event);
}

BT_EXPORT
struct bt_field *bt_event_borrow_common_context_field(struct bt_event *event)
{
	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	return event->common_context_field;
}

BT_EXPORT
const struct bt_field *bt_event_borrow_common_context_field_const(
		const struct bt_event *event)
{
	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	return event->common_context_field;
}

BT_EXPORT
struct bt_field *bt_event_borrow_specific_context_field(struct bt_event *event)
{
	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	return event->specific_context_field;
}

BT_EXPORT
const struct bt_field *bt_event_borrow_specific_context_field_const(
		const struct bt_event *event)
{
	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	return event->specific_context_field;
}

BT_EXPORT
struct bt_field *bt_event_borrow_payload_field(struct bt_event *event)
{
	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	return event->payload_field;
}

BT_EXPORT
const struct bt_field *bt_event_borrow_payload_field_const(
		const struct bt_event *event)
{
	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	return event->payload_field;
}

void bt_event_destroy(struct bt_event *event)
{
	BT_ASSERT(event);
	BT_LIB_LOGD("Destroying event: %!+e", event);

	if (event->common_context_field) {
		BT_LOGD_STR("Destroying event's stream event context field.");
		bt_field_destroy(event->common_context_field);
		event->common_context_field = NULL;
	}

	if (event->specific_context_field) {
		BT_LOGD_STR("Destroying event's context field.");
		bt_field_destroy(event->specific_context_field);
		event->specific_context_field = NULL;
	}

	if (event->payload_field) {
		BT_LOGD_STR("Destroying event's payload field.");
		bt_field_destroy(event->payload_field);
		event->payload_field = NULL;
	}

	BT_LOGD_STR("Putting event's class.");
	bt_object_put_ref(event->class);
	BT_LOGD_STR("Putting event's packet.");
	BT_OBJECT_PUT_REF_AND_RESET(event->packet);
	BT_LOGD_STR("Putting event's stream.");
	BT_OBJECT_PUT_REF_AND_RESET(event->stream);
	g_free(event);
}

BT_EXPORT
struct bt_packet *bt_event_borrow_packet(struct bt_event *event)
{
	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	return event->packet;
}

BT_EXPORT
const struct bt_packet *bt_event_borrow_packet_const(
		const struct bt_event *event)
{
	return bt_event_borrow_packet((void *) event);
}
Commit	Line	Data
	1	/*
	2	* SPDX-License-Identifier: MIT
	3	*
	4	* Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
	5	* Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	6	*/
	7
	8	#define BT_LOG_TAG "LIB/EVENT"
	9	#include "lib/logging.h"
	10
	11	#include "lib/assert-cond.h"
	12	#include <babeltrace2/trace-ir/event.h>
	13	#include <babeltrace2/trace-ir/event-class.h>
	14	#include <babeltrace2/trace-ir/stream-class.h>
	15	#include <babeltrace2/trace-ir/packet.h>
	16	#include <babeltrace2/trace-ir/trace.h>
	17	#include "common/assert.h"
	18	#include "compat/compiler.h"
	19	#include <stdbool.h>
	20
	21	#include "field.h"
	22	#include "field-class.h"
	23	#include "event.h"
	24	#include "stream-class.h"
	25	#include "stream.h"
	26	#include "packet.h"
	27	#include "packet.h"
	28	#include "event-class.h"
	29
	30	void _bt_event_set_is_frozen(const struct bt_event *event, bool is_frozen)
	31	{
	32	BT_ASSERT_DBG(event);
	33	BT_LIB_LOGD("Setting event's frozen state: %!+e, is-frozen=%d",
	34	event, is_frozen);
	35
	36	if (event->common_context_field) {
	37	BT_LOGD_STR("Setting event's common context field's frozen state.");
	38	bt_field_set_is_frozen(
	39	event->common_context_field, is_frozen);
	40	}
	41
	42	if (event->specific_context_field) {
	43	BT_LOGD_STR("Setting event's specific context field's frozen state.");
	44	bt_field_set_is_frozen(event->specific_context_field,
	45	is_frozen);
	46	}
	47
	48	if (event->payload_field) {
	49	BT_LOGD_STR("Setting event's payload field's frozen state.");
	50	bt_field_set_is_frozen(event->payload_field,
	51	is_frozen);
	52	}
	53
	54	((struct bt_event *) event)->frozen = is_frozen;
	55
	56	if (event->packet) {
	57	BT_LOGD_STR("Setting event's packet's frozen state.");
	58	bt_packet_set_is_frozen(event->packet, is_frozen);
	59	}
	60	}
	61
	62	struct bt_event bt_event_new(struct bt_event_class event_class)
	63	{
	64	struct bt_event *event = NULL;
	65	struct bt_stream_class *stream_class;
	66	struct bt_field_class *fc;
	67
	68	BT_ASSERT(event_class);
	69	event = g_new0(struct bt_event, 1);
	70	if (!event) {
	71	BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one event.");
	72	goto error;
	73	}
	74
	75	bt_object_init_unique(&event->base);
	76	stream_class = bt_event_class_borrow_stream_class(event_class);
	77	BT_ASSERT(stream_class);
	78	fc = stream_class->event_common_context_fc;
	79	if (fc) {
	80	event->common_context_field = bt_field_create(fc);
	81	if (!event->common_context_field) {
	82	/* bt_field_create() logs errors */
	83	goto error;
	84	}
	85	}
	86
	87	fc = event_class->specific_context_fc;
	88	if (fc) {
	89	event->specific_context_field = bt_field_create(fc);
	90	if (!event->specific_context_field) {
	91	/* bt_field_create() logs errors */
	92	goto error;
	93	}
	94	}
	95
	96	fc = event_class->payload_fc;
	97	if (fc) {
	98	event->payload_field = bt_field_create(fc);
	99	if (!event->payload_field) {
	100	/* bt_field_create() logs errors */
	101	goto error;
	102	}
	103	}
	104
	105	goto end;
	106
	107	error:
	108	if (event) {
	109	bt_event_destroy(event);
	110	event = NULL;
	111	}
	112
	113	end:
	114	return event;
	115	}
	116
	117	BT_EXPORT
	118	struct bt_event_class bt_event_borrow_class(struct bt_event event)
	119	{
	120	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	121	return event->class;
	122	}
	123
	124	BT_EXPORT
	125	const struct bt_event_class *bt_event_borrow_class_const(
	126	const struct bt_event *event)
	127	{
	128	return bt_event_borrow_class((void *) event);
	129	}
	130
	131	BT_EXPORT
	132	struct bt_stream bt_event_borrow_stream(struct bt_event event)
	133	{
	134	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	135	return event->stream;
	136	}
	137
	138	BT_EXPORT
	139	const struct bt_stream *bt_event_borrow_stream_const(
	140	const struct bt_event *event)
	141	{
	142	return bt_event_borrow_stream((void *) event);
	143	}
	144
	145	BT_EXPORT
	146	struct bt_field bt_event_borrow_common_context_field(struct bt_event event)
	147	{
	148	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	149	return event->common_context_field;
	150	}
	151
	152	BT_EXPORT
	153	const struct bt_field *bt_event_borrow_common_context_field_const(
	154	const struct bt_event *event)
	155	{
	156	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	157	return event->common_context_field;
	158	}
	159
	160	BT_EXPORT
	161	struct bt_field bt_event_borrow_specific_context_field(struct bt_event event)
	162	{
	163	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	164	return event->specific_context_field;
	165	}
	166
	167	BT_EXPORT
	168	const struct bt_field *bt_event_borrow_specific_context_field_const(
	169	const struct bt_event *event)
	170	{
	171	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	172	return event->specific_context_field;
	173	}
	174
	175	BT_EXPORT
	176	struct bt_field bt_event_borrow_payload_field(struct bt_event event)
	177	{
	178	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	179	return event->payload_field;
	180	}
	181
	182	BT_EXPORT
	183	const struct bt_field *bt_event_borrow_payload_field_const(
	184	const struct bt_event *event)
	185	{
	186	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	187	return event->payload_field;
	188	}
	189
	190	void bt_event_destroy(struct bt_event *event)
	191	{
	192	BT_ASSERT(event);
	193	BT_LIB_LOGD("Destroying event: %!+e", event);
	194
	195	if (event->common_context_field) {
	196	BT_LOGD_STR("Destroying event's stream event context field.");
	197	bt_field_destroy(event->common_context_field);
	198	event->common_context_field = NULL;
	199	}
	200
	201	if (event->specific_context_field) {
	202	BT_LOGD_STR("Destroying event's context field.");
	203	bt_field_destroy(event->specific_context_field);
	204	event->specific_context_field = NULL;
	205	}
	206
	207	if (event->payload_field) {
	208	BT_LOGD_STR("Destroying event's payload field.");
	209	bt_field_destroy(event->payload_field);
	210	event->payload_field = NULL;
	211	}
	212
	213	BT_LOGD_STR("Putting event's class.");
	214	bt_object_put_ref(event->class);
	215	BT_LOGD_STR("Putting event's packet.");
	216	BT_OBJECT_PUT_REF_AND_RESET(event->packet);
	217	BT_LOGD_STR("Putting event's stream.");
	218	BT_OBJECT_PUT_REF_AND_RESET(event->stream);
	219	g_free(event);
	220	}
	221
	222	BT_EXPORT
	223	struct bt_packet bt_event_borrow_packet(struct bt_event event)
	224	{
	225	BT_ASSERT_PRE_DEV_EVENT_NON_NULL(event);
	226	return event->packet;
	227	}
	228
	229	BT_EXPORT
	230	const struct bt_packet *bt_event_borrow_packet_const(
	231	const struct bt_event *event)
	232	{
	233	return bt_event_borrow_packet((void *) event);
	234	}