[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/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;
};

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
daf01357 JG	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
3dca2276	30	#include <babeltrace/assert-pre-internal.h>
daf01357	31	#include <babeltrace/ctf-ir/trace.h>
3dca2276	32	#include <babeltrace/ctf-ir/stream-class-internal.h>
2e33ac5a PP	33	#include <babeltrace/ctf-ir/field-types.h>
2e33ac5a PP	34	#include <babeltrace/ctf-ir/fields.h>
3dca2276 PP	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>
83509119	38	#include <babeltrace/object-internal.h>
daf01357	39	#include <babeltrace/babeltrace-internal.h>
dac5c838	40	#include <babeltrace/values.h>
c55a9f58	41	#include <babeltrace/types.h>
daf01357 JG	42	#include <glib.h>
daf01357 JG	43	#include <sys/types.h>
20eee76e	44	#include <babeltrace/compat/uuid-internal.h>
daf01357	45
3dca2276	46	struct bt_trace_common {
83509119	47	struct bt_object base;
e96045d4	48	GString *name;
daf01357	49	int frozen;
20eee76e	50	unsigned char uuid[BABELTRACE_UUID_LEN];
c55a9f58	51	bt_bool uuid_set;
50842bdc	52	enum bt_byte_order native_byte_order;
dac5c838	53	struct bt_value *environment;
3dca2276 PP	54	GPtrArray clock_classes; / Array of pointers to bt_clock_class */
	55	GPtrArray stream_classes; / Array of ptrs to bt_stream_class_common */
	56	GPtrArray streams; / Array of ptrs to bt_stream_common */
	57	struct bt_field_type_common *packet_header_field_type;
9ac68eb1	58	int64_t next_stream_id;
09840de5 PP	59
	60	/*
	61	* This flag indicates if the trace is valid. A valid
	62	* trace is _always_ frozen.
	63	*/
	64	int valid;
3dca2276 PP	65	};
	66
	67	struct bt_trace {
	68	struct bt_trace_common common;
50ad4244	69	GPtrArray listeners; / Array of struct listener_wrapper */
3602afb0	70	GArray *is_static_listeners;
c55a9f58	71	bt_bool is_static;
8480c8cc	72	bt_bool in_remove_listener;
daf01357 JG	73	};
daf01357 JG	74
9b888ff3	75	BT_HIDDEN
50842bdc	76	int bt_trace_object_modification(struct bt_visitor_object *object,
9b888ff3 JG	77	void *trace_ptr);
9b888ff3 JG	78
c9d90a34	79	BT_HIDDEN
3dca2276	80	bt_bool bt_trace_common_has_clock_class(struct bt_trace_common *trace,
50842bdc	81	struct bt_clock_class *clock_class);
c9d90a34	82
3230ee6b	83	/**
50842bdc	84	@brief User function type to use with bt_trace_add_listener().
3230ee6b PP	85
	86	@param[in] obj New CTF IR object which is part of the trace
	87	class hierarchy.
	88	@param[in] data User data.
	89
	90	@prenotnull{obj}
	91	*/
50842bdc	92	typedef void (bt_listener_cb)(struct bt_visitor_object obj, void *data);
3230ee6b PP	93
	94	/**
	95	@brief Adds the trace class modification listener \p listener to
	96	the CTF IR trace class \p trace_class.
	97
	98	Once you add \p listener to \p trace_class, whenever \p trace_class
	99	is modified, \p listener is called with the new element and with
	100	\p data (user data).
	101
	102	@param[in] trace_class Trace class to which to add \p listener.
	103	@param[in] listener Modification listener function.
	104	@param[in] data User data.
	105	@returns 0 on success, or a negative value on error.
	106
	107	@prenotnull{trace_class}
	108	@prenotnull{listener}
	109	@postrefcountsame{trace_class}
	110	*/
5b876b06	111	BT_HIDDEN
50842bdc PP	112	int bt_trace_add_listener(struct bt_trace *trace_class,
50842bdc PP	113	bt_listener_cb listener, void *data);
3230ee6b	114
5b876b06	115	BT_HIDDEN
3dca2276 PP	116	int bt_trace_common_initialize(struct bt_trace_common *trace,
	117	bt_object_release_func release_func);
	118
	119	BT_HIDDEN
	120	void bt_trace_common_finalize(struct bt_trace_common *trace);
	121
	122	static inline
	123	const char bt_trace_common_get_name(struct bt_trace_common trace)
	124	{
	125	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	126	return trace->name ? trace->name->str : NULL;
	127	}
	128
	129	BT_HIDDEN
	130	int bt_trace_common_set_name(struct bt_trace_common trace, const char name);
	131
	132	static inline
	133	const unsigned char bt_trace_common_get_uuid(struct bt_trace_common trace)
	134	{
	135	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	136	return trace->uuid_set ? trace->uuid : NULL;
	137	}
	138
	139	BT_HIDDEN
	140	int bt_trace_common_set_uuid(struct bt_trace_common trace, const unsigned char uuid);
	141
	142	BT_HIDDEN
	143	int bt_trace_common_set_environment_field(struct bt_trace_common *trace,
	144	const char name, struct bt_value value);
	145
	146	BT_HIDDEN
	147	int bt_trace_common_set_environment_field_string(struct bt_trace_common *trace,
	148	const char name, const char value);
	149
	150	BT_HIDDEN
	151	int bt_trace_common_set_environment_field_integer(struct bt_trace_common *trace,
	152	const char *name, int64_t value);
	153
	154	static inline
	155	int64_t bt_trace_common_get_environment_field_count(
	156	struct bt_trace_common *trace)
	157	{
	158	int64_t ret;
	159
	160	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	161	ret = bt_attributes_get_count(trace->environment);
	162	BT_ASSERT(ret >= 0);
	163	return ret;
	164	}
	165
	166	static inline
	167	const char *
	168	bt_trace_common_get_environment_field_name_by_index(
094ff7c0	169	struct bt_trace_common *trace, uint64_t index)
3dca2276 PP	170	{
	171	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	172	return bt_attributes_get_field_name(trace->environment, index);
	173	}
	174
	175	static inline
094ff7c0	176	struct bt_value *bt_trace_common_borrow_environment_field_value_by_index(
3dca2276 PP	177	struct bt_trace_common *trace, uint64_t index)
	178	{
	179	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
094ff7c0	180	return bt_attributes_borrow_field_value(trace->environment, index);
3dca2276 PP	181	}
	182
	183	static inline
094ff7c0	184	struct bt_value *bt_trace_common_borrow_environment_field_value_by_name(
3dca2276 PP	185	struct bt_trace_common trace, const char name)
	186	{
	187	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	188	BT_ASSERT_PRE_NON_NULL(name, "Name");
094ff7c0	189	return bt_attributes_borrow_field_value_by_name(trace->environment,
3dca2276 PP	190	name);
	191	}
	192
	193	BT_HIDDEN
	194	int bt_trace_common_add_clock_class(struct bt_trace_common *trace,
	195	struct bt_clock_class *clock_class);
	196
	197	static inline
	198	int64_t bt_trace_common_get_clock_class_count(struct bt_trace_common *trace)
	199	{
	200	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	201	return trace->clock_classes->len;
	202	}
	203
	204	static inline
094ff7c0	205	struct bt_clock_class *bt_trace_common_borrow_clock_class_by_index(
3dca2276 PP	206	struct bt_trace_common *trace, uint64_t index)
	207	{
	208	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	209	BT_ASSERT_PRE(index < trace->clock_classes->len,
	210	"Index is out of bounds: index=%" PRIu64 ", "
	211	"count=%u",
	212	index, trace->clock_classes->len);
094ff7c0	213	return g_ptr_array_index(trace->clock_classes, index);
3dca2276 PP	214	}
	215
	216	static inline
	217	int64_t bt_trace_common_get_stream_count(struct bt_trace_common *trace)
	218	{
	219	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	220	return (int64_t) trace->streams->len;
	221	}
	222
	223	static inline
094ff7c0	224	struct bt_stream_common *bt_trace_common_borrow_stream_by_index(
3dca2276 PP	225	struct bt_trace_common *trace,
	226	uint64_t index)
	227	{
	228	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	229	BT_ASSERT_PRE(index < trace->streams->len,
	230	"Index is out of bounds: index=%" PRIu64 ", "
	231	"count=%u",
	232	index, trace->streams->len);
094ff7c0	233	return g_ptr_array_index(trace->streams, index);
3dca2276 PP	234	}
	235
	236	static inline
	237	int64_t bt_trace_common_get_stream_class_count(struct bt_trace_common *trace)
	238	{
	239	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	240	return (int64_t) trace->stream_classes->len;
	241	}
	242
	243	static inline
094ff7c0	244	struct bt_stream_class_common *bt_trace_common_borrow_stream_class_by_index(
3dca2276 PP	245	struct bt_trace_common *trace, uint64_t index)
	246	{
	247	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	248	BT_ASSERT_PRE(index < trace->stream_classes->len,
	249	"Index is out of bounds: index=%" PRIu64 ", "
	250	"count=%u",
	251	index, trace->stream_classes->len);
094ff7c0	252	return g_ptr_array_index(trace->stream_classes, index);
3dca2276 PP	253	}
	254
	255	static inline
094ff7c0	256	struct bt_stream_class_common *bt_trace_common_borrow_stream_class_by_id(
3dca2276 PP	257	struct bt_trace_common *trace, uint64_t id_param)
	258	{
	259	int i;
	260	struct bt_stream_class_common *stream_class = NULL;
	261	int64_t id = (int64_t) id_param;
	262
	263	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	264	BT_ASSERT_PRE(id >= 0,
	265	"Invalid stream class ID: %" PRIu64, id_param);
	266
	267	for (i = 0; i < trace->stream_classes->len; i++) {
	268	struct bt_stream_class_common *stream_class_candidate;
	269
	270	stream_class_candidate =
	271	g_ptr_array_index(trace->stream_classes, i);
	272
	273	if (bt_stream_class_common_get_id(stream_class_candidate) ==
	274	(int64_t) id) {
	275	stream_class = stream_class_candidate;
3dca2276 PP	276	goto end;
	277	}
	278	}
	279
	280	end:
	281	return stream_class;
	282	}
	283
	284	static inline
094ff7c0	285	struct bt_clock_class *bt_trace_common_borrow_clock_class_by_name(
3dca2276 PP	286	struct bt_trace_common trace, const char name)
	287	{
	288	size_t i;
	289	struct bt_clock_class *clock_class = NULL;
	290
	291	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	292	BT_ASSERT_PRE_NON_NULL(name, "Name");
	293
	294	for (i = 0; i < trace->clock_classes->len; i++) {
	295	struct bt_clock_class *cur_clk =
	296	g_ptr_array_index(trace->clock_classes, i);
	297	const char *cur_clk_name = bt_clock_class_get_name(cur_clk);
	298
	299	if (!cur_clk_name) {
	300	goto end;
	301	}
	302
	303	if (!strcmp(cur_clk_name, name)) {
	304	clock_class = cur_clk;
3dca2276 PP	305	goto end;
	306	}
	307	}
	308
	309	end:
	310	return clock_class;
	311	}
	312
	313	static inline
	314	enum bt_byte_order bt_trace_common_get_native_byte_order(
	315	struct bt_trace_common *trace)
	316	{
	317	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
	318	return trace->native_byte_order;
	319	}
	320
	321	BT_HIDDEN
	322	int bt_trace_common_set_native_byte_order(struct bt_trace_common *trace,
	323	enum bt_byte_order byte_order, bool allow_unspecified);
	324
	325	static inline
094ff7c0	326	struct bt_field_type_common *bt_trace_common_borrow_packet_header_field_type(
3dca2276 PP	327	struct bt_trace_common *trace)
	328	{
	329	BT_ASSERT_PRE_NON_NULL(trace, "Trace");
094ff7c0	330	return trace->packet_header_field_type;
3dca2276 PP	331	}
	332
	333	BT_HIDDEN
	334	int bt_trace_common_set_packet_header_field_type(struct bt_trace_common *trace,
	335	struct bt_field_type_common *packet_header_field_type);
	336
	337	static inline
	338	void bt_trace_common_freeze(struct bt_trace_common *trace)
	339	{
	340	int i;
	341
	342	if (trace->frozen) {
	343	return;
	344	}
	345
	346	BT_LOGD("Freezing trace: addr=%p, name=\"%s\"",
	347	trace, bt_trace_common_get_name(trace));
	348	BT_LOGD_STR("Freezing packet header field type.");
	349	bt_field_type_common_freeze(trace->packet_header_field_type);
	350	BT_LOGD_STR("Freezing environment attributes.");
	351	bt_attributes_freeze(trace->environment);
	352
	353	if (trace->clock_classes->len > 0) {
	354	BT_LOGD_STR("Freezing clock classes.");
	355	}
	356
	357	for (i = 0; i < trace->clock_classes->len; i++) {
	358	struct bt_clock_class *clock_class =
	359	g_ptr_array_index(trace->clock_classes, i);
	360
	361	bt_clock_class_freeze(clock_class);
	362	}
	363
	364	trace->frozen = 1;
	365	}
	366
	367	BT_HIDDEN
	368	int bt_trace_common_add_stream_class(struct bt_trace_common *trace,
	369	struct bt_stream_class_common *stream_class,
	370	bt_validation_flag_copy_field_type_func copy_field_type_func,
	371	struct bt_clock_class *init_expected_clock_class,
	372	int (map_clock_classes_func)(struct bt_stream_class_common stream_class,
	373	struct bt_field_type_common *packet_context_field_type,
	374	struct bt_field_type_common *event_header_field_type),
	375	bool check_ts_begin_end_mapped);
5b876b06	376
daf01357	377	#endif /* BABELTRACE_CTF_IR_TRACE_INTERNAL_H */