[babeltrace.git] / plugins / ctf / fs-sink / write.c

/*
 * writer.c
 *
 * Babeltrace CTF Writer Output Plugin Event Handling
 *
 * Copyright 2016 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/ctf-ir/event.h>
#include <babeltrace/ctf-ir/packet.h>
#include <babeltrace/ctf-ir/event-class.h>
#include <babeltrace/ctf-ir/stream.h>
#include <babeltrace/ctf-ir/stream-class.h>
#include <babeltrace/ctf-ir/clock-class.h>
#include <babeltrace/ctf-ir/fields.h>
#include <babeltrace/ctf-writer/stream-class.h>
#include <babeltrace/ctf-writer/stream.h>

#include <ctfcopytrace.h>

#include "writer.h"

static
struct bt_ctf_stream_class *insert_new_stream_class(
		struct writer_component *writer_component,
		struct bt_ctf_writer *ctf_writer,
		struct bt_ctf_stream_class *stream_class)
{
	struct bt_ctf_stream_class *writer_stream_class = NULL;
	struct bt_ctf_trace *trace = NULL, *writer_trace = NULL;
	enum bt_component_status ret;

	trace = bt_ctf_stream_class_get_trace(stream_class);
	if (!trace) {
		fprintf(writer_component->err,
				"[error] %s in %s:%d\n", __func__, __FILE__,
				__LINE__);
		goto error;
	}

	writer_trace = bt_ctf_writer_get_trace(ctf_writer);
	if (!writer_trace) {
		fprintf(writer_component->err,
				"[error] %s in %s:%d\n", __func__, __FILE__,
				__LINE__);
		goto error;
	}

	ret = ctf_copy_clock_classes(writer_component->err, writer_trace,
			writer_stream_class, trace);
	if (ret != BT_COMPONENT_STATUS_OK) {
		fprintf(writer_component->err,
				"[error] %s in %s:%d\n", __func__, __FILE__,
				__LINE__);
		goto error;
	}

	writer_stream_class = ctf_copy_stream_class(writer_component->err,
			stream_class, writer_trace, true);
	if (!writer_stream_class) {
		fprintf(writer_component->err, "[error] Failed to copy stream class\n");
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}

	g_hash_table_insert(writer_component->stream_class_map,
			(gpointer) stream_class, writer_stream_class);

	goto end;

error:
	BT_PUT(writer_stream_class);
end:
	bt_put(writer_trace);
	bt_put(trace);
	return writer_stream_class;
}

static
struct bt_ctf_stream *insert_new_stream(
		struct writer_component *writer_component,
		struct bt_ctf_writer *ctf_writer,
		struct bt_ctf_stream_class *stream_class,
		struct bt_ctf_stream *stream)
{
	struct bt_ctf_stream *writer_stream = NULL;
	struct bt_ctf_stream_class *writer_stream_class = NULL;

	writer_stream_class = g_hash_table_lookup(
			writer_component->stream_class_map,
			(gpointer) stream_class);
	if (!writer_stream_class) {
		writer_stream_class = insert_new_stream_class(
				writer_component, ctf_writer, stream_class);
		if (!writer_stream_class) {
			fprintf(writer_component->err, "[error] %s in %s:%d\n",
					__func__, __FILE__, __LINE__);
			goto error;
		}
	}
	bt_get(writer_stream_class);

	writer_stream = bt_ctf_writer_create_stream(ctf_writer,
			writer_stream_class);
	if (!writer_stream) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}

	g_hash_table_insert(writer_component->stream_map, (gpointer) stream,
			writer_stream);

	goto end;

error:
	BT_PUT(writer_stream);
end:
	bt_put(writer_stream_class);
	return writer_stream;
}

static
struct bt_ctf_stream *lookup_stream(struct writer_component *writer_component,
		struct bt_ctf_stream *stream)
{
	return (struct bt_ctf_stream *) g_hash_table_lookup(
			writer_component->stream_map,
			(gpointer) stream);
}

static
struct bt_ctf_event_class *get_event_class(struct writer_component *writer_component,
		struct bt_ctf_stream_class *writer_stream_class,
		struct bt_ctf_event_class *event_class)
{
	return bt_ctf_stream_class_get_event_class_by_id(writer_stream_class,
			bt_ctf_event_class_get_id(event_class));
}

struct bt_ctf_writer *insert_new_writer(
		struct writer_component *writer_component,
		struct bt_ctf_trace *trace)
{
	struct bt_ctf_writer *ctf_writer = NULL;
	struct bt_ctf_trace *writer_trace = NULL;
	char trace_name[PATH_MAX];
	enum bt_component_status ret;

	/* FIXME: replace with trace name when it will work. */
	snprintf(trace_name, PATH_MAX, "%s/%s_%03d",
			writer_component->base_path->str,
			writer_component->trace_name_base->str,
			writer_component->trace_id++);
	printf_verbose("CTF-Writer creating trace in %s\n", trace_name);

	ctf_writer = bt_ctf_writer_create(trace_name);
	if (!ctf_writer) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}

	writer_trace = bt_ctf_writer_get_trace(ctf_writer);
	if (!writer_trace) {
		fprintf(writer_component->err,
				"[error] %s in %s:%d\n", __func__, __FILE__,
				__LINE__);
		goto error;
	}

	ret = ctf_copy_trace(writer_component->err, trace, writer_trace);
	if (ret != BT_COMPONENT_STATUS_OK) {
		fprintf(writer_component->err, "[error] Failed to copy trace\n");
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		BT_PUT(ctf_writer);
		goto end;
	}
	BT_PUT(writer_trace);

	g_hash_table_insert(writer_component->trace_map, (gpointer) trace,
			ctf_writer);

	goto end;

error:
	bt_put(writer_trace);
	BT_PUT(ctf_writer);
end:
	return ctf_writer;
}

static
struct bt_ctf_writer *get_writer(struct writer_component *writer_component,
		struct bt_ctf_stream_class *stream_class)
{
	struct bt_ctf_trace *trace = NULL;
	struct bt_ctf_writer *ctf_writer = NULL;

	trace = bt_ctf_stream_class_get_trace(stream_class);
	if (!trace) {
		ctf_writer = NULL;
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}

	ctf_writer = g_hash_table_lookup(writer_component->trace_map,
			(gpointer) trace);
	if (!ctf_writer) {
		ctf_writer = insert_new_writer(writer_component, trace);
	}
	bt_get(ctf_writer);
	BT_PUT(trace);
	goto end;

error:
	BT_PUT(ctf_writer);
end:
	return ctf_writer;
}

static
struct bt_ctf_stream *get_writer_stream(
		struct writer_component *writer_component,
		struct bt_ctf_packet *packet, struct bt_ctf_stream *stream)
{
	struct bt_ctf_stream_class *stream_class = NULL;
	struct bt_ctf_writer *ctf_writer = NULL;
	struct bt_ctf_stream *writer_stream = NULL;

	stream_class = bt_ctf_stream_get_class(stream);
	if (!stream_class) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}

	ctf_writer = get_writer(writer_component, stream_class);
	if (!ctf_writer) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}

	writer_stream = lookup_stream(writer_component, stream);
	if (!writer_stream) {
		writer_stream = insert_new_stream(writer_component, ctf_writer,
				stream_class, stream);
	}
	bt_get(writer_stream);

	goto end;

error:
	BT_PUT(writer_stream);
end:
	bt_put(ctf_writer);
	bt_put(stream_class);
	return writer_stream;
}

BT_HIDDEN
enum bt_component_status writer_new_packet(
		struct writer_component *writer_component,
		struct bt_ctf_packet *packet)
{
	struct bt_ctf_stream *stream = NULL, *writer_stream = NULL;
	struct bt_ctf_field *writer_packet_context = NULL;
	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
	int int_ret;

	stream = bt_ctf_packet_get_stream(packet);
	if (!stream) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}

	writer_stream = get_writer_stream(writer_component, packet, stream);
	if (!writer_stream) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}
	BT_PUT(stream);

	writer_packet_context = ctf_copy_packet_context(writer_component->err,
			packet, writer_stream, 1);
	if (!writer_packet_context) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}

	int_ret = bt_ctf_stream_set_packet_context(writer_stream,
			writer_packet_context);
	if (int_ret < 0) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
				__FILE__, __LINE__);
		goto error;
	}
	BT_PUT(writer_stream);
	BT_PUT(writer_packet_context);

	goto end;

error:
	ret = BT_COMPONENT_STATUS_ERROR;
end:
	bt_put(writer_stream);
	bt_put(writer_packet_context);
	bt_put(stream);
	return ret;
}

BT_HIDDEN
enum bt_component_status writer_close_packet(
		struct writer_component *writer_component,
		struct bt_ctf_packet *packet)
{
	struct bt_ctf_stream *stream = NULL, *writer_stream = NULL;
	enum bt_component_status ret;

	stream = bt_ctf_packet_get_stream(packet);
	if (!stream) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}

	writer_stream = lookup_stream(writer_component, stream);
	if (!writer_stream) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}
	BT_PUT(stream);

	bt_get(writer_stream);

	ret = bt_ctf_stream_flush(writer_stream);
	if (ret < 0) {
		fprintf(writer_component->err,
				"[error] Failed to flush packet\n");
		goto error;
	}
	BT_PUT(writer_stream);

	ret = BT_COMPONENT_STATUS_OK;
	goto end;

error:
	ret = BT_COMPONENT_STATUS_ERROR;
end:
	bt_put(writer_stream);
	bt_put(stream);
	return ret;
}

BT_HIDDEN
enum bt_component_status writer_output_event(
		struct writer_component *writer_component,
		struct bt_ctf_event *event)
{
	enum bt_component_status ret;
	struct bt_ctf_event_class *event_class = NULL, *writer_event_class = NULL;
	struct bt_ctf_stream *stream = NULL, *writer_stream = NULL;
	struct bt_ctf_stream_class *stream_class = NULL, *writer_stream_class = NULL;
	struct bt_ctf_event *writer_event = NULL;
	const char *event_name;
	int int_ret;

	event_class = bt_ctf_event_get_class(event);
	if (!event_class) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
				__FILE__, __LINE__);
		goto error;
	}

	event_name = bt_ctf_event_class_get_name(event_class);
	if (!event_name) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
				__FILE__, __LINE__);
		goto error;
	}

	stream = bt_ctf_event_get_stream(event);
	if (!stream) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
				__FILE__, __LINE__);
		goto error;
	}

	writer_stream = lookup_stream(writer_component, stream);
	if (!writer_stream || !bt_get(writer_stream)) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
				__FILE__, __LINE__);
		goto error;
	}

	stream_class = bt_ctf_event_class_get_stream_class(event_class);
	if (!stream_class) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
				__FILE__, __LINE__);
		goto error;
	}

	writer_stream_class = g_hash_table_lookup(
			writer_component->stream_class_map,
			(gpointer) stream_class);
	if (!writer_stream_class || !bt_get(writer_stream_class)) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
				__FILE__, __LINE__);
		goto error;
	}

	writer_event_class = get_event_class(writer_component,
			writer_stream_class, event_class);
	if (!writer_event_class) {
		writer_event_class = ctf_copy_event_class(writer_component->err,
				event_class);
		if (!writer_event_class) {
			fprintf(writer_component->err, "[error] %s in %s:%d\n",
					__func__, __FILE__, __LINE__);
			goto error;
		}
		int_ret = bt_ctf_stream_class_add_event_class(
				writer_stream_class, writer_event_class);
		if (int_ret) {
			fprintf(writer_component->err, "[error] %s in %s:%d\n",
					__func__, __FILE__, __LINE__);
			goto error;
		}
	}

	writer_event = ctf_copy_event(writer_component->err, event,
			writer_event_class, true);
	if (!writer_event) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
				__FILE__, __LINE__);
		fprintf(writer_component->err, "[error] Failed to copy event %s\n",
				bt_ctf_event_class_get_name(writer_event_class));
		goto error;
	}

	int_ret = bt_ctf_stream_append_event(writer_stream, writer_event);
	if (int_ret < 0) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
				__FILE__, __LINE__);
		fprintf(writer_component->err, "[error] Failed to append event %s\n",
				bt_ctf_event_class_get_name(writer_event_class));
		goto error;
	}

	ret = BT_COMPONENT_STATUS_OK;
	goto end;

error:
	ret = BT_COMPONENT_STATUS_ERROR;
end:
	bt_put(writer_event);
	bt_put(writer_event_class);
	bt_put(writer_stream_class);
	bt_put(stream_class);
	bt_put(writer_stream);
	bt_put(stream);
	bt_put(event_class);
	return ret;
}
Commit	Line	Data
bc506aa5 JD	1	/*
	2	* writer.c
	3	*
	4	* Babeltrace CTF Writer Output Plugin Event Handling
	5	*
	6	* Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	7	*
	8	* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
	9	*
	10	* Permission is hereby granted, free of charge, to any person obtaining a copy
	11	* of this software and associated documentation files (the "Software"), to deal
	12	* in the Software without restriction, including without limitation the rights
	13	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	14	* copies of the Software, and to permit persons to whom the Software is
	15	* furnished to do so, subject to the following conditions:
	16	*
	17	* The above copyright notice and this permission notice shall be included in
	18	* all copies or substantial portions of the Software.
	19	*
	20	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	21	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	23	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	24	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	25	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	26	* SOFTWARE.
	27	*/
	28
	29	#include <babeltrace/ctf-ir/event.h>
	30	#include <babeltrace/ctf-ir/packet.h>
	31	#include <babeltrace/ctf-ir/event-class.h>
	32	#include <babeltrace/ctf-ir/stream.h>
	33	#include <babeltrace/ctf-ir/stream-class.h>
ac0c6bdd	34	#include <babeltrace/ctf-ir/clock-class.h>
bc506aa5 JD	35	#include <babeltrace/ctf-ir/fields.h>
	36	#include <babeltrace/ctf-writer/stream-class.h>
	37	#include <babeltrace/ctf-writer/stream.h>
	38
91b73004 JD	39	#include <ctfcopytrace.h>
91b73004 JD	40
bc506aa5 JD	41	#include "writer.h"
bc506aa5 JD	42
bc506aa5	43	static
91b73004 JD	44	struct bt_ctf_stream_class *insert_new_stream_class(
	45	struct writer_component *writer_component,
	46	struct bt_ctf_writer *ctf_writer,
	47	struct bt_ctf_stream_class *stream_class)
bc506aa5	48	{
b2f1f465	49	struct bt_ctf_stream_class *writer_stream_class = NULL;
9ae49d3d	50	struct bt_ctf_trace trace = NULL, writer_trace = NULL;
3241bc18	51	enum bt_component_status ret;
bc506aa5	52
3241bc18 JD	53	trace = bt_ctf_stream_class_get_trace(stream_class);
3241bc18 JD	54	if (!trace) {
91b73004 JD	55	fprintf(writer_component->err,
91b73004 JD	56	"[error] %s in %s:%d\n", __func__, __FILE__,
bc506aa5	57	__LINE__);
9ae49d3d	58	goto error;
bc506aa5 JD	59	}
bc506aa5 JD	60
91b73004 JD	61	writer_trace = bt_ctf_writer_get_trace(ctf_writer);
91b73004 JD	62	if (!writer_trace) {
91b73004 JD	63	fprintf(writer_component->err,
91b73004 JD	64	"[error] %s in %s:%d\n", __func__, __FILE__,
d00b90bf	65	__LINE__);
9ae49d3d	66	goto error;
bc506aa5 JD	67	}
bc506aa5 JD	68
91b73004 JD	69	ret = ctf_copy_clock_classes(writer_component->err, writer_trace,
91b73004 JD	70	writer_stream_class, trace);
bc506aa5	71	if (ret != BT_COMPONENT_STATUS_OK) {
91b73004 JD	72	fprintf(writer_component->err,
91b73004 JD	73	"[error] %s in %s:%d\n", __func__, __FILE__,
bc506aa5	74	__LINE__);
9ae49d3d	75	goto error;
b2f1f465 JD	76	}
	77
	78	writer_stream_class = ctf_copy_stream_class(writer_component->err,
	79	stream_class, writer_trace, true);
	80	if (!writer_stream_class) {
	81	fprintf(writer_component->err, "[error] Failed to copy stream class\n");
	82	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	83	__func__, __FILE__, __LINE__);
9ae49d3d	84	goto error;
bc506aa5	85	}
bc506aa5	86
bc506aa5 JD	87	g_hash_table_insert(writer_component->stream_class_map,
	88	(gpointer) stream_class, writer_stream_class);
	89
9ae49d3d JD	90	goto end;
	91
	92	error:
	93	BT_PUT(writer_stream_class);
	94	end:
b2f1f465	95	bt_put(writer_trace);
b2f1f465	96	bt_put(trace);
bc506aa5 JD	97	return writer_stream_class;
	98	}
	99
	100	static
	101	struct bt_ctf_stream *insert_new_stream(
	102	struct writer_component *writer_component,
	103	struct bt_ctf_writer *ctf_writer,
	104	struct bt_ctf_stream_class *stream_class,
	105	struct bt_ctf_stream *stream)
	106	{
9ae49d3d JD	107	struct bt_ctf_stream *writer_stream = NULL;
9ae49d3d JD	108	struct bt_ctf_stream_class *writer_stream_class = NULL;
bc506aa5 JD	109
	110	writer_stream_class = g_hash_table_lookup(
	111	writer_component->stream_class_map,
	112	(gpointer) stream_class);
9ae49d3d	113	if (!writer_stream_class) {
bc506aa5 JD	114	writer_stream_class = insert_new_stream_class(
	115	writer_component, ctf_writer, stream_class);
	116	if (!writer_stream_class) {
bc506aa5 JD	117	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	118	__func__, __FILE__, __LINE__);
9ae49d3d	119	goto error;
bc506aa5 JD	120	}
bc506aa5 JD	121	}
9ae49d3d	122	bt_get(writer_stream_class);
bc506aa5 JD	123
	124	writer_stream = bt_ctf_writer_create_stream(ctf_writer,
	125	writer_stream_class);
	126	if (!writer_stream) {
	127	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	128	__func__, __FILE__, __LINE__);
9ae49d3d	129	goto error;
bc506aa5 JD	130	}
	131
	132	g_hash_table_insert(writer_component->stream_map, (gpointer) stream,
	133	writer_stream);
	134
9ae49d3d	135	goto end;
bc506aa5	136
9ae49d3d JD	137	error:
9ae49d3d JD	138	BT_PUT(writer_stream);
bc506aa5	139	end:
9ae49d3d	140	bt_put(writer_stream_class);
bc506aa5 JD	141	return writer_stream;
	142	}
	143
	144	static
	145	struct bt_ctf_stream lookup_stream(struct writer_component writer_component,
	146	struct bt_ctf_stream *stream)
	147	{
	148	return (struct bt_ctf_stream *) g_hash_table_lookup(
	149	writer_component->stream_map,
	150	(gpointer) stream);
	151	}
	152
	153	static
	154	struct bt_ctf_event_class get_event_class(struct writer_component writer_component,
	155	struct bt_ctf_stream_class *writer_stream_class,
	156	struct bt_ctf_event_class *event_class)
	157	{
a9f0d01b PP	158	return bt_ctf_stream_class_get_event_class_by_id(writer_stream_class,
a9f0d01b PP	159	bt_ctf_event_class_get_id(event_class));
bc506aa5 JD	160	}
	161
	162	struct bt_ctf_writer *insert_new_writer(
	163	struct writer_component *writer_component,
	164	struct bt_ctf_trace *trace)
	165	{
9ae49d3d JD	166	struct bt_ctf_writer *ctf_writer = NULL;
9ae49d3d JD	167	struct bt_ctf_trace *writer_trace = NULL;
bc506aa5 JD	168	char trace_name[PATH_MAX];
	169	enum bt_component_status ret;
	170
9ae49d3d	171	/* FIXME: replace with trace name when it will work. */
bc506aa5	172	snprintf(trace_name, PATH_MAX, "%s/%s_%03d",
9057f037 JD	173	writer_component->base_path->str,
9057f037 JD	174	writer_component->trace_name_base->str,
bc506aa5 JD	175	writer_component->trace_id++);
bc506aa5 JD	176	printf_verbose("CTF-Writer creating trace in %s\n", trace_name);
9057f037	177
bc506aa5 JD	178	ctf_writer = bt_ctf_writer_create(trace_name);
	179	if (!ctf_writer) {
	180	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	181	__func__, __FILE__, __LINE__);
9ae49d3d	182	goto error;
bc506aa5 JD	183	}
bc506aa5 JD	184
91b73004 JD	185	writer_trace = bt_ctf_writer_get_trace(ctf_writer);
91b73004 JD	186	if (!writer_trace) {
91b73004 JD	187	fprintf(writer_component->err,
	188	"[error] %s in %s:%d\n", __func__, __FILE__,
	189	__LINE__);
9ae49d3d	190	goto error;
91b73004 JD	191	}
	192
	193	ret = ctf_copy_trace(writer_component->err, trace, writer_trace);
bc506aa5 JD	194	if (ret != BT_COMPONENT_STATUS_OK) {
	195	fprintf(writer_component->err, "[error] Failed to copy trace\n");
	196	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	197	__func__, __FILE__, __LINE__);
	198	BT_PUT(ctf_writer);
	199	goto end;
	200	}
9ae49d3d	201	BT_PUT(writer_trace);
bc506aa5 JD	202
	203	g_hash_table_insert(writer_component->trace_map, (gpointer) trace,
	204	ctf_writer);
	205
9ae49d3d JD	206	goto end;
	207
	208	error:
	209	bt_put(writer_trace);
	210	BT_PUT(ctf_writer);
bc506aa5 JD	211	end:
	212	return ctf_writer;
	213	}
	214
	215	static
	216	struct bt_ctf_writer get_writer(struct writer_component writer_component,
	217	struct bt_ctf_stream_class *stream_class)
	218	{
9ae49d3d JD	219	struct bt_ctf_trace *trace = NULL;
9ae49d3d JD	220	struct bt_ctf_writer *ctf_writer = NULL;
bc506aa5 JD	221
	222	trace = bt_ctf_stream_class_get_trace(stream_class);
	223	if (!trace) {
	224	ctf_writer = NULL;
	225	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	226	__func__, __FILE__, __LINE__);
9ae49d3d	227	goto error;
bc506aa5 JD	228	}
	229
	230	ctf_writer = g_hash_table_lookup(writer_component->trace_map,
	231	(gpointer) trace);
9ae49d3d	232	if (!ctf_writer) {
bc506aa5 JD	233	ctf_writer = insert_new_writer(writer_component, trace);
bc506aa5 JD	234	}
9ae49d3d JD	235	bt_get(ctf_writer);
	236	BT_PUT(trace);
	237	goto end;
bc506aa5	238
9ae49d3d JD	239	error:
9ae49d3d JD	240	BT_PUT(ctf_writer);
bc506aa5 JD	241	end:
	242	return ctf_writer;
	243	}
	244
	245	static
	246	struct bt_ctf_stream *get_writer_stream(
	247	struct writer_component *writer_component,
	248	struct bt_ctf_packet packet, struct bt_ctf_stream stream)
	249	{
9ae49d3d JD	250	struct bt_ctf_stream_class *stream_class = NULL;
	251	struct bt_ctf_writer *ctf_writer = NULL;
	252	struct bt_ctf_stream *writer_stream = NULL;
bc506aa5 JD	253
	254	stream_class = bt_ctf_stream_get_class(stream);
	255	if (!stream_class) {
bc506aa5 JD	256	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	257	__func__, __FILE__, __LINE__);
9ae49d3d	258	goto error;
bc506aa5 JD	259	}
	260
	261	ctf_writer = get_writer(writer_component, stream_class);
	262	if (!ctf_writer) {
bc506aa5 JD	263	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	264	__func__, __FILE__, __LINE__);
9ae49d3d	265	goto error;
bc506aa5 JD	266	}
	267
	268	writer_stream = lookup_stream(writer_component, stream);
9ae49d3d	269	if (!writer_stream) {
bc506aa5 JD	270	writer_stream = insert_new_stream(writer_component, ctf_writer,
	271	stream_class, stream);
	272	}
9ae49d3d JD	273	bt_get(writer_stream);
	274
	275	goto end;
bc506aa5	276
9ae49d3d JD	277	error:
	278	BT_PUT(writer_stream);
	279	end:
bc506aa5	280	bt_put(ctf_writer);
bc506aa5	281	bt_put(stream_class);
bc506aa5 JD	282	return writer_stream;
	283	}
	284
	285	BT_HIDDEN
	286	enum bt_component_status writer_new_packet(
	287	struct writer_component *writer_component,
	288	struct bt_ctf_packet *packet)
	289	{
9ae49d3d JD	290	struct bt_ctf_stream stream = NULL, writer_stream = NULL;
9ae49d3d JD	291	struct bt_ctf_field *writer_packet_context = NULL;
bc506aa5	292	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
b2f1f465	293	int int_ret;
bc506aa5 JD	294
	295	stream = bt_ctf_packet_get_stream(packet);
	296	if (!stream) {
bc506aa5 JD	297	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	298	__func__, __FILE__, __LINE__);
9ae49d3d	299	goto error;
bc506aa5 JD	300	}
bc506aa5 JD	301
bc506aa5 JD	302	writer_stream = get_writer_stream(writer_component, packet, stream);
bc506aa5 JD	303	if (!writer_stream) {
bc506aa5 JD	304	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	305	__func__, __FILE__, __LINE__);
9ae49d3d	306	goto error;
bc506aa5	307	}
9ae49d3d	308	BT_PUT(stream);
bc506aa5	309
b2f1f465	310	writer_packet_context = ctf_copy_packet_context(writer_component->err,
ab80adac	311	packet, writer_stream, 1);
b2f1f465	312	if (!writer_packet_context) {
91b73004 JD	313	fprintf(writer_component->err, "[error] %s in %s:%d\n",
91b73004 JD	314	__func__, __FILE__, __LINE__);
9ae49d3d	315	goto error;
bc506aa5 JD	316	}
bc506aa5 JD	317
b2f1f465 JD	318	int_ret = bt_ctf_stream_set_packet_context(writer_stream,
	319	writer_packet_context);
	320	if (int_ret < 0) {
b2f1f465 JD	321	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
b2f1f465 JD	322	__FILE__, __LINE__);
9ae49d3d	323	goto error;
b2f1f465	324	}
9ae49d3d JD	325	BT_PUT(writer_stream);
9ae49d3d JD	326	BT_PUT(writer_packet_context);
b2f1f465	327
9ae49d3d	328	goto end;
bc506aa5	329
9ae49d3d JD	330	error:
	331	ret = BT_COMPONENT_STATUS_ERROR;
	332	end:
	333	bt_put(writer_stream);
b2f1f465	334	bt_put(writer_packet_context);
91b73004	335	bt_put(stream);
bc506aa5 JD	336	return ret;
	337	}
	338
	339	BT_HIDDEN
	340	enum bt_component_status writer_close_packet(
	341	struct writer_component *writer_component,
	342	struct bt_ctf_packet *packet)
	343	{
9ae49d3d	344	struct bt_ctf_stream stream = NULL, writer_stream = NULL;
bc506aa5 JD	345	enum bt_component_status ret;
	346
	347	stream = bt_ctf_packet_get_stream(packet);
	348	if (!stream) {
bc506aa5 JD	349	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	350	__func__, __FILE__, __LINE__);
9ae49d3d	351	goto error;
bc506aa5 JD	352	}
	353
	354	writer_stream = lookup_stream(writer_component, stream);
	355	if (!writer_stream) {
bc506aa5 JD	356	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	357	__func__, __FILE__, __LINE__);
9ae49d3d	358	goto error;
bc506aa5	359	}
9ae49d3d	360	BT_PUT(stream);
bc506aa5	361
9ae49d3d	362	bt_get(writer_stream);
bc506aa5	363
bc506aa5 JD	364	ret = bt_ctf_stream_flush(writer_stream);
	365	if (ret < 0) {
	366	fprintf(writer_component->err,
	367	"[error] Failed to flush packet\n");
9ae49d3d	368	goto error;
bc506aa5	369	}
9ae49d3d	370	BT_PUT(writer_stream);
bc506aa5 JD	371
bc506aa5 JD	372	ret = BT_COMPONENT_STATUS_OK;
9ae49d3d	373	goto end;
bc506aa5	374
9ae49d3d JD	375	error:
	376	ret = BT_COMPONENT_STATUS_ERROR;
	377	end:
bc506aa5	378	bt_put(writer_stream);
bc506aa5	379	bt_put(stream);
bc506aa5 JD	380	return ret;
	381	}
	382
bc506aa5 JD	383	BT_HIDDEN
	384	enum bt_component_status writer_output_event(
	385	struct writer_component *writer_component,
	386	struct bt_ctf_event *event)
	387	{
	388	enum bt_component_status ret;
9ae49d3d JD	389	struct bt_ctf_event_class event_class = NULL, writer_event_class = NULL;
	390	struct bt_ctf_stream stream = NULL, writer_stream = NULL;
	391	struct bt_ctf_stream_class stream_class = NULL, writer_stream_class = NULL;
	392	struct bt_ctf_event *writer_event = NULL;
bc506aa5 JD	393	const char *event_name;
	394	int int_ret;
	395
	396	event_class = bt_ctf_event_get_class(event);
	397	if (!event_class) {
bc506aa5 JD	398	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	399	__FILE__, __LINE__);
9ae49d3d	400	goto error;
bc506aa5 JD	401	}
	402
	403	event_name = bt_ctf_event_class_get_name(event_class);
	404	if (!event_name) {
bc506aa5 JD	405	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	406	__FILE__, __LINE__);
9ae49d3d	407	goto error;
bc506aa5	408	}
bc506aa5 JD	409
	410	stream = bt_ctf_event_get_stream(event);
	411	if (!stream) {
bc506aa5 JD	412	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	413	__FILE__, __LINE__);
9ae49d3d	414	goto error;
bc506aa5 JD	415	}
	416
	417	writer_stream = lookup_stream(writer_component, stream);
	418	if (!writer_stream \|\| !bt_get(writer_stream)) {
bc506aa5 JD	419	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	420	__FILE__, __LINE__);
9ae49d3d	421	goto error;
bc506aa5 JD	422	}
	423
	424	stream_class = bt_ctf_event_class_get_stream_class(event_class);
	425	if (!stream_class) {
bc506aa5 JD	426	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	427	__FILE__, __LINE__);
9ae49d3d	428	goto error;
bc506aa5 JD	429	}
	430
	431	writer_stream_class = g_hash_table_lookup(
	432	writer_component->stream_class_map,
	433	(gpointer) stream_class);
	434	if (!writer_stream_class \|\| !bt_get(writer_stream_class)) {
bc506aa5 JD	435	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	436	__FILE__, __LINE__);
9ae49d3d	437	goto error;
bc506aa5 JD	438	}
	439
	440	writer_event_class = get_event_class(writer_component,
	441	writer_stream_class, event_class);
	442	if (!writer_event_class) {
af34e875 JD	443	writer_event_class = ctf_copy_event_class(writer_component->err,
	444	event_class);
	445	if (!writer_event_class) {
af34e875 JD	446	fprintf(writer_component->err, "[error] %s in %s:%d\n",
af34e875 JD	447	__func__, __FILE__, __LINE__);
9ae49d3d	448	goto error;
af34e875 JD	449	}
	450	int_ret = bt_ctf_stream_class_add_event_class(
	451	writer_stream_class, writer_event_class);
	452	if (int_ret) {
af34e875 JD	453	fprintf(writer_component->err, "[error] %s in %s:%d\n",
af34e875 JD	454	__func__, __FILE__, __LINE__);
9ae49d3d	455	goto error;
af34e875	456	}
bc506aa5 JD	457	}
bc506aa5 JD	458
b2f1f465 JD	459	writer_event = ctf_copy_event(writer_component->err, event,
b2f1f465 JD	460	writer_event_class, true);
bc506aa5	461	if (!writer_event) {
bc506aa5 JD	462	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
	463	__FILE__, __LINE__);
	464	fprintf(writer_component->err, "[error] Failed to copy event %s\n",
	465	bt_ctf_event_class_get_name(writer_event_class));
9ae49d3d	466	goto error;
bc506aa5 JD	467	}
	468
	469	int_ret = bt_ctf_stream_append_event(writer_stream, writer_event);
	470	if (int_ret < 0) {
bc506aa5 JD	471	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
	472	__FILE__, __LINE__);
	473	fprintf(writer_component->err, "[error] Failed to append event %s\n",
	474	bt_ctf_event_class_get_name(writer_event_class));
9ae49d3d	475	goto error;
bc506aa5 JD	476	}
	477
	478	ret = BT_COMPONENT_STATUS_OK;
9ae49d3d	479	goto end;
bc506aa5	480
9ae49d3d JD	481	error:
	482	ret = BT_COMPONENT_STATUS_ERROR;
	483	end:
bc506aa5	484	bt_put(writer_event);
bc506aa5	485	bt_put(writer_event_class);
bc506aa5	486	bt_put(writer_stream_class);
bc506aa5	487	bt_put(stream_class);
bc506aa5	488	bt_put(writer_stream);
bc506aa5	489	bt_put(stream);
bc506aa5	490	bt_put(event_class);
bc506aa5 JD	491	return ret;
bc506aa5 JD	492	}