[babeltrace.git] / include / babeltrace / ctf-ir / trace-internal.h

#ifndef BABELTRACE_CTF_IR_TRACE_INTERNAL_H
#define BABELTRACE_CTF_IR_TRACE_INTERNAL_H

/*
 * BabelTrace - CTF IR: Trace internal
 *
 * Copyright 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.
 */

#include <babeltrace/assert-pre-internal.h>
#include <babeltrace/ctf-ir/trace.h>
#include <babeltrace/ctf-ir/stream-class-internal.h>
#include <babeltrace/ctf-ir/field-types.h>
#include <babeltrace/ctf-ir/fields.h>
#include <babeltrace/ctf-ir/validation-internal.h>
#include <babeltrace/ctf-ir/attributes-internal.h>
#include <babeltrace/ctf-ir/clock-class-internal.h>
#include <babeltrace/object-internal.h>
#include <babeltrace/object-pool-internal.h>
#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/values.h>
#include <babeltrace/types.h>
#include <glib.h>
#include <sys/types.h>
#include <babeltrace/compat/uuid-internal.h>

struct bt_trace_common {
	struct bt_object base;
	GString *name;
	int frozen;
	unsigned char uuid[BABELTRACE_UUID_LEN];
	bt_bool uuid_set;
	enum bt_byte_order native_byte_order;
	struct bt_value *environment;
	GPtrArray *clock_classes; /* Array of pointers to bt_clock_class */
	GPtrArray *stream_classes; /* Array of ptrs to bt_stream_class_common */
	GPtrArray *streams; /* Array of ptrs to bt_stream_common */
	struct bt_field_type_common *packet_header_field_type;
	int64_t next_stream_id;

	/*
	 * This flag indicates if the trace is valid. A valid
	 * trace is _always_ frozen.
	 */
	int valid;
};

struct bt_trace {
	struct bt_trace_common common;
	GPtrArray *listeners; /* Array of struct listener_wrapper */
	GArray *is_static_listeners;
	bt_bool is_static;
	bt_bool in_remove_listener;

	/* Pool of `struct bt_field_wrapper *` */
	struct bt_object_pool packet_header_field_pool;
};

BT_HIDDEN
int bt_trace_object_modification(struct bt_visitor_object *object,
		void *trace_ptr);

BT_HIDDEN
bt_bool bt_trace_common_has_clock_class(struct bt_trace_common *trace,
		struct bt_clock_class *clock_class);

/**
@brief	User function type to use with bt_trace_add_listener().

@param[in] obj	New CTF IR object which is part of the trace
		class hierarchy.
@param[in] data	User data.

@prenotnull{obj}
*/
typedef void (*bt_listener_cb)(struct bt_visitor_object *obj, void *data);

/**
@brief	Adds the trace class modification listener \p listener to
	the CTF IR trace class \p trace_class.

Once you add \p listener to \p trace_class, whenever \p trace_class
is modified, \p listener is called with the new element and with
\p data (user data).

@param[in] trace_class	Trace class to which to add \p listener.
@param[in] listener	Modification listener function.
@param[in] data		User data.
@returns		0 on success, or a negative value on error.

@prenotnull{trace_class}
@prenotnull{listener}
@postrefcountsame{trace_class}
*/
BT_HIDDEN
int bt_trace_add_listener(struct bt_trace *trace_class,
		bt_listener_cb listener, void *data);

BT_HIDDEN
int bt_trace_common_initialize(struct bt_trace_common *trace,
		bt_object_release_func release_func);

BT_HIDDEN
void bt_trace_common_finalize(struct bt_trace_common *trace);

static inline
const char *bt_trace_common_get_name(struct bt_trace_common *trace)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	return trace->name ? trace->name->str : NULL;
}

BT_HIDDEN
int bt_trace_common_set_name(struct bt_trace_common *trace, const char *name);

static inline
const unsigned char *bt_trace_common_get_uuid(struct bt_trace_common *trace)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	return trace->uuid_set ? trace->uuid : NULL;
}

BT_HIDDEN
int bt_trace_common_set_uuid(struct bt_trace_common *trace, const unsigned char *uuid);

BT_HIDDEN
int bt_trace_common_set_environment_field(struct bt_trace_common *trace,
		const char *name, struct bt_value *value);

BT_HIDDEN
int bt_trace_common_set_environment_field_string(struct bt_trace_common *trace,
		const char *name, const char *value);

BT_HIDDEN
int bt_trace_common_set_environment_field_integer(struct bt_trace_common *trace,
		const char *name, int64_t value);

static inline
int64_t bt_trace_common_get_environment_field_count(
		struct bt_trace_common *trace)
{
	int64_t ret;

	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	ret = bt_attributes_get_count(trace->environment);
	BT_ASSERT(ret >= 0);
	return ret;
}

static inline
const char *
bt_trace_common_get_environment_field_name_by_index(
		struct bt_trace_common *trace, uint64_t index)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	return bt_attributes_get_field_name(trace->environment, index);
}

static inline
struct bt_value *bt_trace_common_borrow_environment_field_value_by_index(
		struct bt_trace_common *trace, uint64_t index)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	return bt_attributes_borrow_field_value(trace->environment, index);
}

static inline
struct bt_value *bt_trace_common_borrow_environment_field_value_by_name(
		struct bt_trace_common *trace, const char *name)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	BT_ASSERT_PRE_NON_NULL(name, "Name");
	return bt_attributes_borrow_field_value_by_name(trace->environment,
		name);
}

BT_HIDDEN
int bt_trace_common_add_clock_class(struct bt_trace_common *trace,
		struct bt_clock_class *clock_class);

static inline
int64_t bt_trace_common_get_clock_class_count(struct bt_trace_common *trace)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	return trace->clock_classes->len;
}

static inline
struct bt_clock_class *bt_trace_common_borrow_clock_class_by_index(
		struct bt_trace_common *trace, uint64_t index)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	BT_ASSERT_PRE(index < trace->clock_classes->len,
		"Index is out of bounds: index=%" PRIu64 ", "
		"count=%u",
		index, trace->clock_classes->len);
	return g_ptr_array_index(trace->clock_classes, index);
}

static inline
int64_t bt_trace_common_get_stream_count(struct bt_trace_common *trace)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	return (int64_t) trace->streams->len;
}

static inline
struct bt_stream_common *bt_trace_common_borrow_stream_by_index(
		struct bt_trace_common *trace,
		uint64_t index)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	BT_ASSERT_PRE(index < trace->streams->len,
		"Index is out of bounds: index=%" PRIu64 ", "
		"count=%u",
		index, trace->streams->len);
	return g_ptr_array_index(trace->streams, index);
}

static inline
int64_t bt_trace_common_get_stream_class_count(struct bt_trace_common *trace)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	return (int64_t) trace->stream_classes->len;
}

static inline
struct bt_stream_class_common *bt_trace_common_borrow_stream_class_by_index(
		struct bt_trace_common *trace, uint64_t index)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	BT_ASSERT_PRE(index < trace->stream_classes->len,
		"Index is out of bounds: index=%" PRIu64 ", "
		"count=%u",
		index, trace->stream_classes->len);
	return g_ptr_array_index(trace->stream_classes, index);
}

static inline
struct bt_stream_class_common *bt_trace_common_borrow_stream_class_by_id(
		struct bt_trace_common *trace, uint64_t id_param)
{
	int i;
	struct bt_stream_class_common *stream_class = NULL;
	int64_t id = (int64_t) id_param;

	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	BT_ASSERT_PRE(id >= 0,
		"Invalid stream class ID: %" PRIu64, id_param);

	for (i = 0; i < trace->stream_classes->len; i++) {
		struct bt_stream_class_common *stream_class_candidate;

		stream_class_candidate =
			g_ptr_array_index(trace->stream_classes, i);

		if (bt_stream_class_common_get_id(stream_class_candidate) ==
				(int64_t) id) {
			stream_class = stream_class_candidate;
			goto end;
		}
	}

end:
	return stream_class;
}

static inline
struct bt_clock_class *bt_trace_common_borrow_clock_class_by_name(
		struct bt_trace_common *trace, const char *name)
{
	size_t i;
	struct bt_clock_class *clock_class = NULL;

	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	BT_ASSERT_PRE_NON_NULL(name, "Name");

	for (i = 0; i < trace->clock_classes->len; i++) {
		struct bt_clock_class *cur_clk =
			g_ptr_array_index(trace->clock_classes, i);
		const char *cur_clk_name = bt_clock_class_get_name(cur_clk);

		if (!cur_clk_name) {
			goto end;
		}

		if (!strcmp(cur_clk_name, name)) {
			clock_class = cur_clk;
			goto end;
		}
	}

end:
	return clock_class;
}

static inline
enum bt_byte_order bt_trace_common_get_native_byte_order(
		struct bt_trace_common *trace)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	return trace->native_byte_order;
}

BT_HIDDEN
int bt_trace_common_set_native_byte_order(struct bt_trace_common *trace,
		enum bt_byte_order byte_order, bool allow_unspecified);

static inline
struct bt_field_type_common *bt_trace_common_borrow_packet_header_field_type(
		struct bt_trace_common *trace)
{
	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	return trace->packet_header_field_type;
}

BT_HIDDEN
int bt_trace_common_set_packet_header_field_type(struct bt_trace_common *trace,
		struct bt_field_type_common *packet_header_field_type);

static inline
void bt_trace_common_freeze(struct bt_trace_common *trace)
{
	int i;

	if (trace->frozen) {
		return;
	}

	BT_LOGD("Freezing trace: addr=%p, name=\"%s\"",
		trace, bt_trace_common_get_name(trace));
	BT_LOGD_STR("Freezing packet header field type.");
	bt_field_type_common_freeze(trace->packet_header_field_type);
	BT_LOGD_STR("Freezing environment attributes.");
	bt_attributes_freeze(trace->environment);

	if (trace->clock_classes->len > 0) {
		BT_LOGD_STR("Freezing clock classes.");
	}

	for (i = 0; i < trace->clock_classes->len; i++) {
		struct bt_clock_class *clock_class =
			g_ptr_array_index(trace->clock_classes, i);

		bt_clock_class_freeze(clock_class);
	}

	trace->frozen = 1;
}

BT_HIDDEN
int bt_trace_common_add_stream_class(struct bt_trace_common *trace,
		struct bt_stream_class_common *stream_class,
		bt_validation_flag_copy_field_type_func copy_field_type_func,
		struct bt_clock_class *init_expected_clock_class,
		int (*map_clock_classes_func)(struct bt_stream_class_common *stream_class,
			struct bt_field_type_common *packet_context_field_type,
			struct bt_field_type_common *event_header_field_type),
		bool check_ts_begin_end_mapped);

#endif /* BABELTRACE_CTF_IR_TRACE_INTERNAL_H */
Commit	Line	Data
	1	#ifndef BABELTRACE_CTF_IR_TRACE_INTERNAL_H
	2	#define BABELTRACE_CTF_IR_TRACE_INTERNAL_H
	3
	4	/*
	5	* BabelTrace - CTF IR: Trace internal
	6	*
	7	* Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	8	*
	9	* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
	10	*
	11	* Permission is hereby granted, free of charge, to any person obtaining a copy
	12	* of this software and associated documentation files (the "Software"), to deal
	13	* in the Software without restriction, including without limitation the rights
	14	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	15	* copies of the Software, and to permit persons to whom the Software is
	16	* furnished to do so, subject to the following conditions:
	17	*
	18	* The above copyright notice and this permission notice shall be included in
	19	* all copies or substantial portions of the Software.
	20	*
	21	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	22	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	23	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	24	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	25	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	26	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	27	* SOFTWARE.
	28	*/
	29
	30	#include <babeltrace/assert-pre-internal.h>
	31	#include <babeltrace/ctf-ir/trace.h>
	32	#include <babeltrace/ctf-ir/stream-class-internal.h>
	33	#include <babeltrace/ctf-ir/field-types.h>
	34	#include <babeltrace/ctf-ir/fields.h>
	35	#include <babeltrace/ctf-ir/validation-internal.h>
	36	#include <babeltrace/ctf-ir/attributes-internal.h>
	37	#include <babeltrace/ctf-ir/clock-class-internal.h>
	38	#include <babeltrace/object-internal.h>
	39	#include <babeltrace/object-pool-internal.h>
	40	#include <babeltrace/babeltrace-internal.h>
	41	#include <babeltrace/values.h>
	42	#include <babeltrace/types.h>
	43	#include <glib.h>
	44	#include <sys/types.h>
	45	#include <babeltrace/compat/uuid-internal.h>
	46
	47	struct bt_trace_common {
	48	struct bt_object base;
	49	GString *name;
	50	int frozen;
	51	unsigned char uuid[BABELTRACE_UUID_LEN];
	52	bt_bool uuid_set;
	53	enum bt_byte_order native_byte_order;
	54	struct bt_value *environment;
	55	GPtrArray clock_classes; / Array of pointers to bt_clock_class */
	56	GPtrArray stream_classes; / Array of ptrs to bt_stream_class_common */
	57	GPtrArray streams; / Array of ptrs to bt_stream_common */
	58	struct bt_field_type_common *packet_header_field_type;
	59	int64_t next_stream_id;
	60
	61	/*
	62	* This flag indicates if the trace is valid. A valid
	63	* trace is _always_ frozen.
	64	*/
	65	int valid;
	66	};
	67
	68	struct bt_trace {
	69	struct bt_trace_common common;
	70	GPtrArray listeners; / Array of struct listener_wrapper */
	71	GArray *is_static_listeners;
	72	bt_bool is_static;
	73	bt_bool in_remove_listener;
	74
	75	/* Pool of `struct bt_field_wrapper ` /
	76	struct bt_object_pool packet_header_field_pool;
	77	};
	78
	79	BT_HIDDEN
	80	int bt_trace_object_modification(struct bt_visitor_object *object,
	81	void *trace_ptr);
	82
	83	BT_HIDDEN
	84	bt_bool bt_trace_common_has_clock_class(struct bt_trace_common *trace,
	85	struct bt_clock_class *clock_class);
	86
	87	/**
	88	@brief User function type to use with bt_trace_add_listener().
	89
	90	@param[in] obj New CTF IR object which is part of the trace
	91	class hierarchy.
	92	@param[in] data User data.
	93
	94	@prenotnull{obj}
	95	*/
	96	typedef void (bt_listener_cb)(struct bt_visitor_object obj, void *data);
	97
	98	/**
	99	@brief Adds the trace class modification listener \p listener to
	100	the CTF IR trace class \p trace_class.
	101
	102	Once you add \p listener to \p trace_class, whenever \p trace_class
	103	is modified, \p listener is called with the new element and with
	104	\p data (user data).
	105
	106	@param[in] trace_class Trace class to which to add \p listener.
	107	@param[in] listener Modification listener function.
	108	@param[in] data User data.
	109	@returns 0 on success, or a negative value on error.
	110
	111	@prenotnull{trace_class}
	112	@prenotnull{listener}
	113	@postrefcountsame{trace_class}
	114	*/
	115	BT_HIDDEN
	116	int bt_trace_add_listener(struct bt_trace *trace_class,
	117	bt_listener_cb listener, void *data);
	118
	119	BT_HIDDEN
	120	int bt_trace_common_initialize(struct bt_trace_common *trace,
	121	bt_object_release_func release_func);
	122
	123	BT_HIDDEN
	124	void bt_trace_common_finalize(struct bt_trace_common *trace);
	125
	126	static inline
	127	const char bt_trace_common_get_name(struct bt_trace_common trace)
	128	{
	129	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	130	return trace->name ? trace->name->str : NULL;
	131	}
	132
	133	BT_HIDDEN
	134	int bt_trace_common_set_name(struct bt_trace_common trace, const char name);
	135
	136	static inline
	137	const unsigned char bt_trace_common_get_uuid(struct bt_trace_common trace)
	138	{
	139	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	140	return trace->uuid_set ? trace->uuid : NULL;
	141	}
	142
	143	BT_HIDDEN
	144	int bt_trace_common_set_uuid(struct bt_trace_common trace, const unsigned char uuid);
	145
	146	BT_HIDDEN
	147	int bt_trace_common_set_environment_field(struct bt_trace_common *trace,
	148	const char name, struct bt_value value);
	149
	150	BT_HIDDEN
	151	int bt_trace_common_set_environment_field_string(struct bt_trace_common *trace,
	152	const char name, const char value);
	153
	154	BT_HIDDEN
	155	int bt_trace_common_set_environment_field_integer(struct bt_trace_common *trace,
	156	const char *name, int64_t value);
	157
	158	static inline
	159	int64_t bt_trace_common_get_environment_field_count(
	160	struct bt_trace_common *trace)
	161	{
	162	int64_t ret;
	163
	164	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	165	ret = bt_attributes_get_count(trace->environment);
	166	BT_ASSERT(ret >= 0);
	167	return ret;
	168	}
	169
	170	static inline
	171	const char *
	172	bt_trace_common_get_environment_field_name_by_index(
	173	struct bt_trace_common *trace, uint64_t index)
	174	{
	175	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	176	return bt_attributes_get_field_name(trace->environment, index);
	177	}
	178
	179	static inline
	180	struct bt_value *bt_trace_common_borrow_environment_field_value_by_index(
	181	struct bt_trace_common *trace, uint64_t index)
	182	{
	183	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	184	return bt_attributes_borrow_field_value(trace->environment, index);
	185	}
	186
	187	static inline
	188	struct bt_value *bt_trace_common_borrow_environment_field_value_by_name(
	189	struct bt_trace_common trace, const char name)
	190	{
	191	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	192	BT_ASSERT_PRE_NON_NULL(name, "Name");
	193	return bt_attributes_borrow_field_value_by_name(trace->environment,
	194	name);
	195	}
	196
	197	BT_HIDDEN
	198	int bt_trace_common_add_clock_class(struct bt_trace_common *trace,
	199	struct bt_clock_class *clock_class);
	200
	201	static inline
	202	int64_t bt_trace_common_get_clock_class_count(struct bt_trace_common *trace)
	203	{
	204	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	205	return trace->clock_classes->len;
	206	}
	207
	208	static inline
	209	struct bt_clock_class *bt_trace_common_borrow_clock_class_by_index(
	210	struct bt_trace_common *trace, uint64_t index)
	211	{
	212	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	213	BT_ASSERT_PRE(index < trace->clock_classes->len,
	214	"Index is out of bounds: index=%" PRIu64 ", "
	215	"count=%u",
	216	index, trace->clock_classes->len);
	217	return g_ptr_array_index(trace->clock_classes, index);
	218	}
	219
	220	static inline
	221	int64_t bt_trace_common_get_stream_count(struct bt_trace_common *trace)
	222	{
	223	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	224	return (int64_t) trace->streams->len;
	225	}
	226
	227	static inline
	228	struct bt_stream_common *bt_trace_common_borrow_stream_by_index(
	229	struct bt_trace_common *trace,
	230	uint64_t index)
	231	{
	232	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	233	BT_ASSERT_PRE(index < trace->streams->len,
	234	"Index is out of bounds: index=%" PRIu64 ", "
	235	"count=%u",
	236	index, trace->streams->len);
	237	return g_ptr_array_index(trace->streams, index);
	238	}
	239
	240	static inline
	241	int64_t bt_trace_common_get_stream_class_count(struct bt_trace_common *trace)
	242	{
	243	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	244	return (int64_t) trace->stream_classes->len;
	245	}
	246
	247	static inline
	248	struct bt_stream_class_common *bt_trace_common_borrow_stream_class_by_index(
	249	struct bt_trace_common *trace, uint64_t index)
	250	{
	251	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	252	BT_ASSERT_PRE(index < trace->stream_classes->len,
	253	"Index is out of bounds: index=%" PRIu64 ", "
	254	"count=%u",
	255	index, trace->stream_classes->len);
	256	return g_ptr_array_index(trace->stream_classes, index);
	257	}
	258
	259	static inline
	260	struct bt_stream_class_common *bt_trace_common_borrow_stream_class_by_id(
	261	struct bt_trace_common *trace, uint64_t id_param)
	262	{
	263	int i;
	264	struct bt_stream_class_common *stream_class = NULL;
	265	int64_t id = (int64_t) id_param;
	266
	267	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	268	BT_ASSERT_PRE(id >= 0,
	269	"Invalid stream class ID: %" PRIu64, id_param);
	270
	271	for (i = 0; i < trace->stream_classes->len; i++) {
	272	struct bt_stream_class_common *stream_class_candidate;
	273
	274	stream_class_candidate =
	275	g_ptr_array_index(trace->stream_classes, i);
	276
	277	if (bt_stream_class_common_get_id(stream_class_candidate) ==
	278	(int64_t) id) {
	279	stream_class = stream_class_candidate;
	280	goto end;
	281	}
	282	}
	283
	284	end:
	285	return stream_class;
	286	}
	287
	288	static inline
	289	struct bt_clock_class *bt_trace_common_borrow_clock_class_by_name(
	290	struct bt_trace_common trace, const char name)
	291	{
	292	size_t i;
	293	struct bt_clock_class *clock_class = NULL;
	294
	295	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	296	BT_ASSERT_PRE_NON_NULL(name, "Name");
	297
	298	for (i = 0; i < trace->clock_classes->len; i++) {
	299	struct bt_clock_class *cur_clk =
	300	g_ptr_array_index(trace->clock_classes, i);
	301	const char *cur_clk_name = bt_clock_class_get_name(cur_clk);
	302
	303	if (!cur_clk_name) {
	304	goto end;
	305	}
	306
	307	if (!strcmp(cur_clk_name, name)) {
	308	clock_class = cur_clk;
	309	goto end;
	310	}
	311	}
	312
	313	end:
	314	return clock_class;
	315	}
	316
	317	static inline
	318	enum bt_byte_order bt_trace_common_get_native_byte_order(
	319	struct bt_trace_common *trace)
	320	{
	321	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	322	return trace->native_byte_order;
	323	}
	324
	325	BT_HIDDEN
	326	int bt_trace_common_set_native_byte_order(struct bt_trace_common *trace,
	327	enum bt_byte_order byte_order, bool allow_unspecified);
	328
	329	static inline
	330	struct bt_field_type_common *bt_trace_common_borrow_packet_header_field_type(
	331	struct bt_trace_common *trace)
	332	{
	333	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	334	return trace->packet_header_field_type;
	335	}
	336
	337	BT_HIDDEN
	338	int bt_trace_common_set_packet_header_field_type(struct bt_trace_common *trace,
	339	struct bt_field_type_common *packet_header_field_type);
	340
	341	static inline
	342	void bt_trace_common_freeze(struct bt_trace_common *trace)
	343	{
	344	int i;
	345
	346	if (trace->frozen) {
	347	return;
	348	}
	349
	350	BT_LOGD("Freezing trace: addr=%p, name=\"%s\"",
	351	trace, bt_trace_common_get_name(trace));
	352	BT_LOGD_STR("Freezing packet header field type.");
	353	bt_field_type_common_freeze(trace->packet_header_field_type);
	354	BT_LOGD_STR("Freezing environment attributes.");
	355	bt_attributes_freeze(trace->environment);
	356
	357	if (trace->clock_classes->len > 0) {
	358	BT_LOGD_STR("Freezing clock classes.");
	359	}
	360
	361	for (i = 0; i < trace->clock_classes->len; i++) {
	362	struct bt_clock_class *clock_class =
	363	g_ptr_array_index(trace->clock_classes, i);
	364
	365	bt_clock_class_freeze(clock_class);
	366	}
	367
	368	trace->frozen = 1;
	369	}
	370
	371	BT_HIDDEN
	372	int bt_trace_common_add_stream_class(struct bt_trace_common *trace,
	373	struct bt_stream_class_common *stream_class,
	374	bt_validation_flag_copy_field_type_func copy_field_type_func,
	375	struct bt_clock_class *init_expected_clock_class,
	376	int (map_clock_classes_func)(struct bt_stream_class_common stream_class,
	377	struct bt_field_type_common *packet_context_field_type,
	378	struct bt_field_type_common *event_header_field_type),
	379	bool check_ts_begin_end_mapped);
	380
	381	#endif /* BABELTRACE_CTF_IR_TRACE_INTERNAL_H */