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

/*
 * 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-CLASS"
#include <babeltrace/lib-logging-internal.h>

#include <babeltrace/assert-pre-internal.h>
#include <babeltrace/trace-ir/clock-value-internal.h>
#include <babeltrace/trace-ir/fields-internal.h>
#include <babeltrace/trace-ir/field-classes.h>
#include <babeltrace/trace-ir/field-classes-internal.h>
#include <babeltrace/trace-ir/event-class.h>
#include <babeltrace/trace-ir/event-class-const.h>
#include <babeltrace/trace-ir/event-class-internal.h>
#include <babeltrace/trace-ir/event-internal.h>
#include <babeltrace/trace-ir/stream-class.h>
#include <babeltrace/trace-ir/stream-class-internal.h>
#include <babeltrace/trace-ir/trace-internal.h>
#include <babeltrace/trace-ir/utils-internal.h>
#include <babeltrace/trace-ir/resolve-field-path-internal.h>
#include <babeltrace/object.h>
#include <babeltrace/trace-ir/attributes-internal.h>
#include <babeltrace/compiler-internal.h>
#include <babeltrace/endian-internal.h>
#include <babeltrace/types.h>
#include <babeltrace/values-internal.h>
#include <babeltrace/assert-internal.h>
#include <inttypes.h>
#include <stdlib.h>

#define BT_ASSERT_PRE_EVENT_CLASS_HOT(_ec) \
	BT_ASSERT_PRE_HOT(((const struct bt_event_class *) (_ec)),	\
		"Event class", ": %!+E", (_ec))

static
void destroy_event_class(struct bt_object *obj)
{
	struct bt_event_class *event_class = (void *) obj;

	BT_LIB_LOGD("Destroying event class: %!+E", event_class);

	if (event_class->name.str) {
		g_string_free(event_class->name.str, TRUE);
		event_class->name.str = NULL;
	}

	if (event_class->emf_uri.str) {
		g_string_free(event_class->emf_uri.str, TRUE);
		event_class->emf_uri.str = NULL;
	}

	BT_LOGD_STR("Putting context field classe.");
	BT_OBJECT_PUT_REF_AND_RESET(event_class->specific_context_fc);
	BT_LOGD_STR("Putting payload field classe.");
	BT_OBJECT_PUT_REF_AND_RESET(event_class->payload_fc);
	bt_object_pool_finalize(&event_class->event_pool);
	g_free(obj);
}

static
void free_event(struct bt_event *event,
		struct bt_event_class *event_class)
{
	bt_event_destroy(event);
}

BT_ASSERT_PRE_FUNC
static
bool event_class_id_is_unique(const struct bt_stream_class *stream_class,
		uint64_t id)
{
	uint64_t i;
	bool is_unique = true;

	for (i = 0; i < stream_class->event_classes->len; i++) {
		const struct bt_event_class *ec =
			stream_class->event_classes->pdata[i];

		if (ec->id == id) {
			is_unique = false;
			goto end;
		}
	}

end:
	return is_unique;
}

static
struct bt_event_class *create_event_class_with_id(
		struct bt_stream_class *stream_class, uint64_t id)
{
	int ret;
	struct bt_event_class *event_class;

	BT_ASSERT(stream_class);
	BT_ASSERT_PRE(event_class_id_is_unique(stream_class, id),
		"Duplicate event class ID: %![sc-]+S, id=%" PRIu64,
		stream_class, id);
	BT_LIB_LOGD("Creating event class object: %![sc-]+S, id=%" PRIu64,
		stream_class, id);
	event_class = g_new0(struct bt_event_class, 1);
	if (!event_class) {
		BT_LOGE_STR("Failed to allocate one event class.");
		goto error;
	}

	bt_object_init_shared_with_parent(&event_class->base,
		destroy_event_class);
	event_class->id = id;
	bt_property_uint_init(&event_class->log_level,
			BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE, 0);
	event_class->name.str = g_string_new(NULL);
	if (!event_class->name.str) {
		BT_LOGE_STR("Failed to allocate a GString.");
		ret = -1;
		goto end;
	}

	event_class->emf_uri.str = g_string_new(NULL);
	if (!event_class->emf_uri.str) {
		BT_LOGE_STR("Failed to allocate a GString.");
		ret = -1;
		goto end;
	}

	ret = bt_object_pool_initialize(&event_class->event_pool,
		(bt_object_pool_new_object_func) bt_event_new,
		(bt_object_pool_destroy_object_func) free_event,
		event_class);
	if (ret) {
		BT_LOGE("Failed to initialize event pool: ret=%d",
			ret);
		goto error;
	}

	bt_object_set_parent(&event_class->base, &stream_class->base);
	g_ptr_array_add(stream_class->event_classes, event_class);
	bt_stream_class_freeze(stream_class);
	BT_LIB_LOGD("Created event class object: %!+E", event_class);
	goto end;

error:
	BT_OBJECT_PUT_REF_AND_RESET(event_class);

end:
	return event_class;
}

struct bt_event_class *bt_event_class_create(
		struct bt_stream_class *stream_class)
{
	BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
	BT_ASSERT_PRE(stream_class->assigns_automatic_event_class_id,
		"Stream class does not automatically assigns event class IDs: "
		"%![sc-]+S", stream_class);
	return create_event_class_with_id(stream_class,
		(uint64_t) stream_class->event_classes->len);
}

struct bt_event_class *bt_event_class_create_with_id(
		struct bt_stream_class *stream_class, uint64_t id)
{
	BT_ASSERT_PRE(!stream_class->assigns_automatic_event_class_id,
		"Stream class automatically assigns event class IDs: "
		"%![sc-]+S", stream_class);
	return create_event_class_with_id(stream_class, id);
}

const char *bt_event_class_get_name(const struct bt_event_class *event_class)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	return event_class->name.value;
}

int bt_event_class_set_name(struct bt_event_class *event_class,
		const char *name)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	BT_ASSERT_PRE_NON_NULL(name, "Name");
	BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
	g_string_assign(event_class->name.str, name);
	event_class->name.value = event_class->name.str->str;
	BT_LIB_LOGV("Set event class's name: %!+E", event_class);
	return 0;
}

uint64_t bt_event_class_get_id(const struct bt_event_class *event_class)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	return event_class->id;
}

enum bt_property_availability bt_event_class_get_log_level(
		const struct bt_event_class *event_class,
		enum bt_event_class_log_level *log_level)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	BT_ASSERT_PRE_NON_NULL(log_level, "Log level (output)");
	*log_level = (enum bt_event_class_log_level)
		event_class->log_level.value;
	return event_class->log_level.base.avail;
}

void bt_event_class_set_log_level(
		struct bt_event_class *event_class,
		enum bt_event_class_log_level log_level)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
	bt_property_uint_set(&event_class->log_level,
		(uint64_t) log_level);
	BT_LIB_LOGV("Set event class's log level: %!+E", event_class);
}

const char *bt_event_class_get_emf_uri(const struct bt_event_class *event_class)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	return event_class->emf_uri.value;
}

int bt_event_class_set_emf_uri(
		struct bt_event_class *event_class,
		const char *emf_uri)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	BT_ASSERT_PRE_NON_NULL(emf_uri, "EMF URI");
	BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
	g_string_assign(event_class->emf_uri.str, emf_uri);
	event_class->emf_uri.value = event_class->emf_uri.str->str;
	BT_LIB_LOGV("Set event class's EMF URI: %!+E", event_class);
	return 0;
}

struct bt_stream_class *bt_event_class_borrow_stream_class(
		struct bt_event_class *event_class)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	return bt_event_class_borrow_stream_class_inline(event_class);
}

const struct bt_stream_class *
bt_event_class_borrow_stream_class_const(
		const struct bt_event_class *event_class)
{
	return bt_event_class_borrow_stream_class((void *) event_class);
}

const struct bt_field_class *
bt_event_class_borrow_specific_context_field_class_const(
		const struct bt_event_class *event_class)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	return event_class->specific_context_fc;
}

int bt_event_class_set_specific_context_field_class(
		struct bt_event_class *event_class,
		struct bt_field_class *field_class)
{
	int ret;
	struct bt_stream_class *stream_class;
	struct bt_trace *trace;
	struct bt_resolve_field_path_context resolve_ctx = {
		.packet_header = NULL,
		.packet_context = NULL,
		.event_header = NULL,
		.event_common_context = NULL,
		.event_specific_context = field_class,
		.event_payload = NULL,
	};

	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	BT_ASSERT_PRE_NON_NULL(field_class, "Field class");
	BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
	BT_ASSERT_PRE(bt_field_class_get_type(field_class) ==
		BT_FIELD_CLASS_TYPE_STRUCTURE,
		"Specific context field classe is not a structure field classe: "
		"%!+F", field_class);
	stream_class = bt_event_class_borrow_stream_class_inline(
		event_class);
	trace = bt_stream_class_borrow_trace_inline(stream_class);
	resolve_ctx.packet_header = trace->packet_header_fc;
	resolve_ctx.packet_context = stream_class->packet_context_fc;
	resolve_ctx.event_header = stream_class->event_header_fc;
	resolve_ctx.event_common_context =
		stream_class->event_common_context_fc;

	ret = bt_resolve_field_paths(field_class, &resolve_ctx);
	if (ret) {
		goto end;
	}

	bt_field_class_make_part_of_trace(field_class);
	bt_object_put_ref(event_class->specific_context_fc);
	event_class->specific_context_fc = field_class;
	bt_object_get_no_null_check(event_class->specific_context_fc);
	bt_field_class_freeze(field_class);
	BT_LIB_LOGV("Set event class's specific context field classe: %!+E",
		event_class);

end:
	return ret;
}

const struct bt_field_class *bt_event_class_borrow_payload_field_class_const(
		const struct bt_event_class *event_class)
{
	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	return event_class->payload_fc;
}

int bt_event_class_set_payload_field_class(
		struct bt_event_class *event_class,
		struct bt_field_class *field_class)
{
	int ret;
	struct bt_stream_class *stream_class;
	struct bt_trace *trace;
	struct bt_resolve_field_path_context resolve_ctx = {
		.packet_header = NULL,
		.packet_context = NULL,
		.event_header = NULL,
		.event_common_context = NULL,
		.event_specific_context = NULL,
		.event_payload = field_class,
	};

	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	BT_ASSERT_PRE_NON_NULL(field_class, "Field class");
	BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
	BT_ASSERT_PRE(bt_field_class_get_type(field_class) ==
		BT_FIELD_CLASS_TYPE_STRUCTURE,
		"Payload field classe is not a structure field classe: %!+F",
		field_class);
	stream_class = bt_event_class_borrow_stream_class_inline(
		event_class);
	trace = bt_stream_class_borrow_trace_inline(stream_class);
	resolve_ctx.packet_header = trace->packet_header_fc;
	resolve_ctx.packet_context = stream_class->packet_context_fc;
	resolve_ctx.event_header = stream_class->event_header_fc;
	resolve_ctx.event_common_context =
		stream_class->event_common_context_fc;
	resolve_ctx.event_specific_context = event_class->specific_context_fc;

	ret = bt_resolve_field_paths(field_class, &resolve_ctx);
	if (ret) {
		goto end;
	}

	bt_field_class_make_part_of_trace(field_class);
	bt_object_put_ref(event_class->payload_fc);
	event_class->payload_fc = field_class;
	bt_object_get_no_null_check(event_class->payload_fc);
	bt_field_class_freeze(field_class);
	BT_LIB_LOGV("Set event class's payload field classe: %!+E", event_class);

end:
	return ret;
}

BT_HIDDEN
void _bt_event_class_freeze(const struct bt_event_class *event_class)
{
	/* The field classes are already frozen */
	BT_ASSERT(event_class);
	BT_LIB_LOGD("Freezing event class: %!+E", event_class);
	((struct bt_event_class *) event_class)->frozen = true;
}
Commit	Line	Data
272df73e	1	/*
272df73e PP	2	* Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	3	*
	4	* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	19	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	22	* SOFTWARE.
	23	*/
	24
f8b979f9 PP	25	#define BT_LOG_TAG "EVENT-CLASS"
	26	#include <babeltrace/lib-logging-internal.h>
	27
3dca2276	28	#include <babeltrace/assert-pre-internal.h>
56e18c4c PP	29	#include <babeltrace/trace-ir/clock-value-internal.h>
56e18c4c PP	30	#include <babeltrace/trace-ir/fields-internal.h>
5cd6d0e5 PP	31	#include <babeltrace/trace-ir/field-classes.h>
5cd6d0e5 PP	32	#include <babeltrace/trace-ir/field-classes-internal.h>
56e18c4c	33	#include <babeltrace/trace-ir/event-class.h>
40f4ba76	34	#include <babeltrace/trace-ir/event-class-const.h>
56e18c4c PP	35	#include <babeltrace/trace-ir/event-class-internal.h>
	36	#include <babeltrace/trace-ir/event-internal.h>
	37	#include <babeltrace/trace-ir/stream-class.h>
	38	#include <babeltrace/trace-ir/stream-class-internal.h>
	39	#include <babeltrace/trace-ir/trace-internal.h>
	40	#include <babeltrace/trace-ir/utils-internal.h>
	41	#include <babeltrace/trace-ir/resolve-field-path-internal.h>
65300d60	42	#include <babeltrace/object.h>
56e18c4c	43	#include <babeltrace/trace-ir/attributes-internal.h>
3d9990ac PP	44	#include <babeltrace/compiler-internal.h>
3d9990ac PP	45	#include <babeltrace/endian-internal.h>
c55a9f58	46	#include <babeltrace/types.h>
f8b979f9	47	#include <babeltrace/values-internal.h>
f6ccaed9	48	#include <babeltrace/assert-internal.h>
dc3fffef	49	#include <inttypes.h>
0fbb9a9f	50	#include <stdlib.h>
272df73e	51
44c440bc	52	#define BT_ASSERT_PRE_EVENT_CLASS_HOT(_ec) \
40f4ba76	53	BT_ASSERT_PRE_HOT(((const struct bt_event_class *) (_ec)), \
e5be10ef	54	"Event class", ": %!+E", (_ec))
44c440bc PP	55
	56	static
	57	void destroy_event_class(struct bt_object *obj)
272df73e	58	{
44c440bc	59	struct bt_event_class event_class = (void ) obj;
272df73e	60
44c440bc	61	BT_LIB_LOGD("Destroying event class: %!+E", event_class);
f8b979f9	62
44c440bc PP	63	if (event_class->name.str) {
44c440bc PP	64	g_string_free(event_class->name.str, TRUE);
238b7404	65	event_class->name.str = NULL;
cf76ce92 PP	66	}
cf76ce92 PP	67
44c440bc PP	68	if (event_class->emf_uri.str) {
44c440bc PP	69	g_string_free(event_class->emf_uri.str, TRUE);
238b7404	70	event_class->emf_uri.str = NULL;
272df73e PP	71	}
272df73e PP	72
5cd6d0e5	73	BT_LOGD_STR("Putting context field classe.");
238b7404	74	BT_OBJECT_PUT_REF_AND_RESET(event_class->specific_context_fc);
5cd6d0e5	75	BT_LOGD_STR("Putting payload field classe.");
238b7404	76	BT_OBJECT_PUT_REF_AND_RESET(event_class->payload_fc);
312c056a	77	bt_object_pool_finalize(&event_class->event_pool);
3dca2276	78	g_free(obj);
272df73e PP	79	}
272df73e PP	80
312c056a PP	81	static
	82	void free_event(struct bt_event *event,
	83	struct bt_event_class *event_class)
	84	{
	85	bt_event_destroy(event);
	86	}
	87
44c440bc PP	88	BT_ASSERT_PRE_FUNC
44c440bc PP	89	static
40f4ba76 PP	90	bool event_class_id_is_unique(const struct bt_stream_class *stream_class,
40f4ba76 PP	91	uint64_t id)
272df73e	92	{
44c440bc PP	93	uint64_t i;
44c440bc PP	94	bool is_unique = true;
272df73e	95
44c440bc	96	for (i = 0; i < stream_class->event_classes->len; i++) {
40f4ba76	97	const struct bt_event_class *ec =
44c440bc PP	98	stream_class->event_classes->pdata[i];
	99
	100	if (ec->id == id) {
	101	is_unique = false;
	102	goto end;
	103	}
cf76ce92	104	}
272df73e	105
44c440bc PP	106	end:
	107	return is_unique;
	108	}
	109
	110	static
	111	struct bt_event_class *create_event_class_with_id(
	112	struct bt_stream_class *stream_class, uint64_t id)
	113	{
	114	int ret;
	115	struct bt_event_class *event_class;
	116
	117	BT_ASSERT(stream_class);
	118	BT_ASSERT_PRE(event_class_id_is_unique(stream_class, id),
	119	"Duplicate event class ID: %![sc-]+S, id=%" PRIu64,
	120	stream_class, id);
	121	BT_LIB_LOGD("Creating event class object: %![sc-]+S, id=%" PRIu64,
	122	stream_class, id);
3dca2276	123	event_class = g_new0(struct bt_event_class, 1);
272df73e	124	if (!event_class) {
3dca2276 PP	125	BT_LOGE_STR("Failed to allocate one event class.");
3dca2276 PP	126	goto error;
272df73e PP	127	}
272df73e PP	128
44c440bc PP	129	bt_object_init_shared_with_parent(&event_class->base,
	130	destroy_event_class);
	131	event_class->id = id;
	132	bt_property_uint_init(&event_class->log_level,
	133	BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE, 0);
	134	event_class->name.str = g_string_new(NULL);
	135	if (!event_class->name.str) {
	136	BT_LOGE_STR("Failed to allocate a GString.");
	137	ret = -1;
	138	goto end;
	139	}
	140
	141	event_class->emf_uri.str = g_string_new(NULL);
	142	if (!event_class->emf_uri.str) {
	143	BT_LOGE_STR("Failed to allocate a GString.");
	144	ret = -1;
	145	goto end;
272df73e PP	146	}
272df73e PP	147
312c056a PP	148	ret = bt_object_pool_initialize(&event_class->event_pool,
	149	(bt_object_pool_new_object_func) bt_event_new,
	150	(bt_object_pool_destroy_object_func) free_event,
	151	event_class);
	152	if (ret) {
	153	BT_LOGE("Failed to initialize event pool: ret=%d",
	154	ret);
	155	goto error;
	156	}
	157
44c440bc PP	158	bt_object_set_parent(&event_class->base, &stream_class->base);
	159	g_ptr_array_add(stream_class->event_classes, event_class);
	160	bt_stream_class_freeze(stream_class);
	161	BT_LIB_LOGD("Created event class object: %!+E", event_class);
3dca2276	162	goto end;
272df73e	163
3dca2276	164	error:
65300d60	165	BT_OBJECT_PUT_REF_AND_RESET(event_class);
272df73e PP	166
272df73e PP	167	end:
3dca2276	168	return event_class;
272df73e PP	169	}
272df73e PP	170
40f4ba76 PP	171	struct bt_event_class *bt_event_class_create(
40f4ba76 PP	172	struct bt_stream_class *stream_class)
44c440bc PP	173	{
	174	BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
	175	BT_ASSERT_PRE(stream_class->assigns_automatic_event_class_id,
	176	"Stream class does not automatically assigns event class IDs: "
	177	"%![sc-]+S", stream_class);
40f4ba76	178	return create_event_class_with_id(stream_class,
44c440bc PP	179	(uint64_t) stream_class->event_classes->len);
	180	}
	181
40f4ba76 PP	182	struct bt_event_class *bt_event_class_create_with_id(
40f4ba76 PP	183	struct bt_stream_class *stream_class, uint64_t id)
44c440bc PP	184	{
	185	BT_ASSERT_PRE(!stream_class->assigns_automatic_event_class_id,
	186	"Stream class automatically assigns event class IDs: "
	187	"%![sc-]+S", stream_class);
40f4ba76	188	return create_event_class_with_id(stream_class, id);
44c440bc PP	189	}
44c440bc PP	190
40f4ba76	191	const char bt_event_class_get_name(const struct bt_event_class event_class)
272df73e	192	{
cb6f1f7d	193	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
44c440bc	194	return event_class->name.value;
272df73e PP	195	}
272df73e PP	196
40f4ba76	197	int bt_event_class_set_name(struct bt_event_class *event_class,
44c440bc	198	const char *name)
272df73e	199	{
cb6f1f7d	200	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
44c440bc PP	201	BT_ASSERT_PRE_NON_NULL(name, "Name");
	202	BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
	203	g_string_assign(event_class->name.str, name);
	204	event_class->name.value = event_class->name.str->str;
	205	BT_LIB_LOGV("Set event class's name: %!+E", event_class);
	206	return 0;
272df73e PP	207	}
272df73e PP	208
40f4ba76	209	uint64_t bt_event_class_get_id(const struct bt_event_class *event_class)
272df73e	210	{
44c440bc PP	211	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
44c440bc PP	212	return event_class->id;
272df73e PP	213	}
272df73e PP	214
44c440bc	215	enum bt_property_availability bt_event_class_get_log_level(
40f4ba76	216	const struct bt_event_class *event_class,
44c440bc	217	enum bt_event_class_log_level *log_level)
272df73e	218	{
cb6f1f7d	219	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
44c440bc PP	220	BT_ASSERT_PRE_NON_NULL(log_level, "Log level (output)");
	221	*log_level = (enum bt_event_class_log_level)
	222	event_class->log_level.value;
	223	return event_class->log_level.base.avail;
272df73e PP	224	}
272df73e PP	225
40f4ba76 PP	226	void bt_event_class_set_log_level(
40f4ba76 PP	227	struct bt_event_class *event_class,
3dca2276	228	enum bt_event_class_log_level log_level)
272df73e	229	{
44c440bc PP	230	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	231	BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
	232	bt_property_uint_set(&event_class->log_level,
	233	(uint64_t) log_level);
	234	BT_LIB_LOGV("Set event class's log level: %!+E", event_class);
272df73e PP	235	}
272df73e PP	236
40f4ba76	237	const char bt_event_class_get_emf_uri(const struct bt_event_class event_class)
272df73e	238	{
cb6f1f7d	239	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
44c440bc	240	return event_class->emf_uri.value;
272df73e PP	241	}
272df73e PP	242
40f4ba76 PP	243	int bt_event_class_set_emf_uri(
40f4ba76 PP	244	struct bt_event_class *event_class,
3dca2276	245	const char *emf_uri)
272df73e	246	{
44c440bc PP	247	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
	248	BT_ASSERT_PRE_NON_NULL(emf_uri, "EMF URI");
	249	BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
	250	g_string_assign(event_class->emf_uri.str, emf_uri);
	251	event_class->emf_uri.value = event_class->emf_uri.str->str;
	252	BT_LIB_LOGV("Set event class's EMF URI: %!+E", event_class);
	253	return 0;
272df73e PP	254	}
272df73e PP	255
094ff7c0	256	struct bt_stream_class *bt_event_class_borrow_stream_class(
50842bdc	257	struct bt_event_class *event_class)
272df73e	258	{
d975f66c	259	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
44c440bc	260	return bt_event_class_borrow_stream_class_inline(event_class);
272df73e PP	261	}
272df73e PP	262
40f4ba76 PP	263	const struct bt_stream_class *
	264	bt_event_class_borrow_stream_class_const(
	265	const struct bt_event_class *event_class)
e5be10ef	266	{
40f4ba76	267	return bt_event_class_borrow_stream_class((void *) event_class);
e5be10ef PP	268	}
e5be10ef PP	269
40f4ba76 PP	270	const struct bt_field_class *
	271	bt_event_class_borrow_specific_context_field_class_const(
	272	const struct bt_event_class *event_class)
272df73e	273	{
cb6f1f7d	274	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
5cd6d0e5	275	return event_class->specific_context_fc;
272df73e PP	276	}
272df73e PP	277
40f4ba76 PP	278	int bt_event_class_set_specific_context_field_class(
	279	struct bt_event_class *event_class,
	280	struct bt_field_class *field_class)
272df73e	281	{
44c440bc PP	282	int ret;
	283	struct bt_stream_class *stream_class;
	284	struct bt_trace *trace;
	285	struct bt_resolve_field_path_context resolve_ctx = {
	286	.packet_header = NULL,
	287	.packet_context = NULL,
	288	.event_header = NULL,
	289	.event_common_context = NULL,
5cd6d0e5	290	.event_specific_context = field_class,
44c440bc PP	291	.event_payload = NULL,
44c440bc PP	292	};
cb6f1f7d	293
44c440bc	294	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
5cd6d0e5	295	BT_ASSERT_PRE_NON_NULL(field_class, "Field class");
44c440bc	296	BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
864cad70 PP	297	BT_ASSERT_PRE(bt_field_class_get_type(field_class) ==
864cad70 PP	298	BT_FIELD_CLASS_TYPE_STRUCTURE,
5cd6d0e5 PP	299	"Specific context field classe is not a structure field classe: "
5cd6d0e5 PP	300	"%!+F", field_class);
44c440bc PP	301	stream_class = bt_event_class_borrow_stream_class_inline(
	302	event_class);
	303	trace = bt_stream_class_borrow_trace_inline(stream_class);
5cd6d0e5 PP	304	resolve_ctx.packet_header = trace->packet_header_fc;
	305	resolve_ctx.packet_context = stream_class->packet_context_fc;
	306	resolve_ctx.event_header = stream_class->event_header_fc;
44c440bc	307	resolve_ctx.event_common_context =
5cd6d0e5	308	stream_class->event_common_context_fc;
44c440bc	309
5cd6d0e5	310	ret = bt_resolve_field_paths(field_class, &resolve_ctx);
44c440bc	311	if (ret) {
cb6f1f7d PP	312	goto end;
	313	}
	314
5cd6d0e5	315	bt_field_class_make_part_of_trace(field_class);
65300d60	316	bt_object_put_ref(event_class->specific_context_fc);
398454ed PP	317	event_class->specific_context_fc = field_class;
398454ed PP	318	bt_object_get_no_null_check(event_class->specific_context_fc);
5cd6d0e5 PP	319	bt_field_class_freeze(field_class);
5cd6d0e5 PP	320	BT_LIB_LOGV("Set event class's specific context field classe: %!+E",
44c440bc	321	event_class);
cb6f1f7d	322
cb6f1f7d PP	323	end:
cb6f1f7d PP	324	return ret;
272df73e PP	325	}
272df73e PP	326
40f4ba76 PP	327	const struct bt_field_class *bt_event_class_borrow_payload_field_class_const(
40f4ba76 PP	328	const struct bt_event_class *event_class)
272df73e	329	{
cb6f1f7d	330	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
5cd6d0e5	331	return event_class->payload_fc;
272df73e PP	332	}
272df73e PP	333
40f4ba76 PP	334	int bt_event_class_set_payload_field_class(
	335	struct bt_event_class *event_class,
	336	struct bt_field_class *field_class)
272df73e	337	{
44c440bc PP	338	int ret;
	339	struct bt_stream_class *stream_class;
	340	struct bt_trace *trace;
	341	struct bt_resolve_field_path_context resolve_ctx = {
	342	.packet_header = NULL,
	343	.packet_context = NULL,
	344	.event_header = NULL,
	345	.event_common_context = NULL,
	346	.event_specific_context = NULL,
5cd6d0e5	347	.event_payload = field_class,
44c440bc	348	};
cb6f1f7d	349
44c440bc	350	BT_ASSERT_PRE_NON_NULL(event_class, "Event class");
5cd6d0e5	351	BT_ASSERT_PRE_NON_NULL(field_class, "Field class");
44c440bc	352	BT_ASSERT_PRE_EVENT_CLASS_HOT(event_class);
864cad70 PP	353	BT_ASSERT_PRE(bt_field_class_get_type(field_class) ==
864cad70 PP	354	BT_FIELD_CLASS_TYPE_STRUCTURE,
5cd6d0e5 PP	355	"Payload field classe is not a structure field classe: %!+F",
5cd6d0e5 PP	356	field_class);
44c440bc PP	357	stream_class = bt_event_class_borrow_stream_class_inline(
	358	event_class);
	359	trace = bt_stream_class_borrow_trace_inline(stream_class);
5cd6d0e5 PP	360	resolve_ctx.packet_header = trace->packet_header_fc;
	361	resolve_ctx.packet_context = stream_class->packet_context_fc;
	362	resolve_ctx.event_header = stream_class->event_header_fc;
44c440bc	363	resolve_ctx.event_common_context =
5cd6d0e5 PP	364	stream_class->event_common_context_fc;
5cd6d0e5 PP	365	resolve_ctx.event_specific_context = event_class->specific_context_fc;
44c440bc	366
5cd6d0e5	367	ret = bt_resolve_field_paths(field_class, &resolve_ctx);
44c440bc	368	if (ret) {
cb6f1f7d PP	369	goto end;
	370	}
	371
5cd6d0e5	372	bt_field_class_make_part_of_trace(field_class);
65300d60	373	bt_object_put_ref(event_class->payload_fc);
398454ed PP	374	event_class->payload_fc = field_class;
398454ed PP	375	bt_object_get_no_null_check(event_class->payload_fc);
5cd6d0e5 PP	376	bt_field_class_freeze(field_class);
5cd6d0e5 PP	377	BT_LIB_LOGV("Set event class's payload field classe: %!+E", event_class);
cb6f1f7d PP	378
	379	end:
	380	return ret;
272df73e PP	381	}
	382
	383	BT_HIDDEN
40f4ba76	384	void _bt_event_class_freeze(const struct bt_event_class *event_class)
2a3ced3c	385	{
5cd6d0e5	386	/* The field classes are already frozen */
f6ccaed9	387	BT_ASSERT(event_class);
44c440bc	388	BT_LIB_LOGD("Freezing event class: %!+E", event_class);
40f4ba76	389	((struct bt_event_class *) event_class)->frozen = true;
2a3ced3c	390	}