[babeltrace.git] / src / lib / trace-ir / trace.h

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

#ifndef BABELTRACE_LIB_TRACE_IR_TRACE_H
#define BABELTRACE_LIB_TRACE_IR_TRACE_H

#include <babeltrace2/trace-ir/trace.h>
#include <babeltrace2/trace-ir/field-class.h>
#include <babeltrace2/trace-ir/field.h>
#include "lib/object.h"
#include <babeltrace2/value.h>
#include <babeltrace2/types.h>
#include <glib.h>
#include <stdbool.h>
#include <sys/types.h>
#include "common/uuid.h"

#include "stream-class.h"
#include "trace-class.h"

struct bt_trace {
	struct bt_object base;

	/* Owned by this */
	struct bt_value *user_attributes;

	/* Owned by this */
	struct bt_trace_class *class;

	gchar *ns;
	gchar *name;

	union {
		/* Used for MIP == 0 */
		struct {
			bt_uuid_t uuid;

			/* NULL or `uuid` above */
			bt_uuid value;
		} uuid;

		/* Used for MIP >= 1 */
		gchar *uid;
	} uid_or_uuid;

	struct bt_value *environment;

	/* Array of `struct bt_stream *` */
	GPtrArray *streams;

	/*
	 * Stream class (weak, owned by owned trace class) to number of
	 * instantiated streams, used to automatically assign stream IDs
	 * per stream class within this trace.
	 */
	GHashTable *stream_classes_stream_count;

	GArray *destruction_listeners;
	bool frozen;
};

void _bt_trace_freeze(const struct bt_trace *trace);

#ifdef BT_DEV_MODE
# define bt_trace_freeze		_bt_trace_freeze
#else
# define bt_trace_freeze(_trace)
#endif

void bt_trace_add_stream(struct bt_trace *trace, struct bt_stream *stream);

uint64_t bt_trace_get_automatic_stream_id(const struct bt_trace *trace,
		const struct bt_stream_class *stream_class);

#endif /* BABELTRACE_LIB_TRACE_IR_TRACE_H */
Commit	Line	Data
	1	/*
	2	* SPDX-License-Identifier: MIT
	3	*
	4	* Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
	5	* Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	6	*/
	7
	8	#ifndef BABELTRACE_LIB_TRACE_IR_TRACE_H
	9	#define BABELTRACE_LIB_TRACE_IR_TRACE_H
	10
	11	#include <babeltrace2/trace-ir/trace.h>
	12	#include <babeltrace2/trace-ir/field-class.h>
	13	#include <babeltrace2/trace-ir/field.h>
	14	#include "lib/object.h"
	15	#include <babeltrace2/value.h>
	16	#include <babeltrace2/types.h>
	17	#include <glib.h>
	18	#include <stdbool.h>
	19	#include <sys/types.h>
	20	#include "common/uuid.h"
	21
	22	#include "stream-class.h"
	23	#include "trace-class.h"
	24
	25	struct bt_trace {
	26	struct bt_object base;
	27
	28	/* Owned by this */
	29	struct bt_value *user_attributes;
	30
	31	/* Owned by this */
	32	struct bt_trace_class *class;
	33
	34	gchar *ns;
	35	gchar *name;
	36
	37	union {
	38	/* Used for MIP == 0 */
	39	struct {
	40	bt_uuid_t uuid;
	41
	42	/* NULL or `uuid` above */
	43	bt_uuid value;
	44	} uuid;
	45
	46	/* Used for MIP >= 1 */
	47	gchar *uid;
	48	} uid_or_uuid;
	49
	50	struct bt_value *environment;
	51
	52	/* Array of `struct bt_stream ` /
	53	GPtrArray *streams;
	54
	55	/*
	56	* Stream class (weak, owned by owned trace class) to number of
	57	* instantiated streams, used to automatically assign stream IDs
	58	* per stream class within this trace.
	59	*/
	60	GHashTable *stream_classes_stream_count;
	61
	62	GArray *destruction_listeners;
	63	bool frozen;
	64	};
	65
	66	void _bt_trace_freeze(const struct bt_trace *trace);
	67
	68	#ifdef BT_DEV_MODE
	69	# define bt_trace_freeze _bt_trace_freeze
	70	#else
	71	# define bt_trace_freeze(_trace)
	72	#endif
	73
	74	void bt_trace_add_stream(struct bt_trace trace, struct bt_stream stream);
	75
	76	uint64_t bt_trace_get_automatic_stream_id(const struct bt_trace *trace,
	77	const struct bt_stream_class *stream_class);
	78
	79	#endif /* BABELTRACE_LIB_TRACE_IR_TRACE_H */