[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 <assert.h>

#include <ctfcopytrace.h>

#include "writer.h"

static
void trace_is_static_listener(struct bt_ctf_trace *trace, void *data)
{
	*((int *) data) = 1;
}

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 fs_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;
	struct fs_writer *fs_writer;

	/* 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 error;
	}

	fs_writer = g_new0(struct fs_writer, 1);
	if (!fs_writer) {
		fprintf(writer_component->err,
				"[error] %s in %s:%d\n", __func__, __FILE__,
				__LINE__);
		goto error;
	}
	fs_writer->writer = ctf_writer;
	fs_writer->writer_trace = writer_trace;
	BT_PUT(writer_trace);
	if (bt_ctf_trace_is_static(trace)) {
		fs_writer->trace_static = 1;
		fs_writer->static_listener_id = -1;
	} else {
		ret = bt_ctf_trace_add_is_static_listener(trace,
				trace_is_static_listener, &fs_writer->trace_static);
		if (ret < 0) {
			fprintf(writer_component->err,
					"[error] %s in %s:%d\n", __func__, __FILE__,
					__LINE__);
			g_free(fs_writer);
			fs_writer = NULL;
			goto error;
		}
		fs_writer->static_listener_id = ret;
	}

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

	goto end;

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

static
struct fs_writer *get_fs_writer(struct writer_component *writer_component,
		struct bt_ctf_stream_class *stream_class)
{
	struct bt_ctf_trace *trace = NULL;
	struct fs_writer *fs_writer;

	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;
	}

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

error:
	fs_writer = NULL;
end:
	return fs_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 *writer_stream = NULL;

	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_get(writer_stream);

	goto end;

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

BT_HIDDEN
enum bt_component_status writer_close(
		struct writer_component *writer_component,
		struct fs_writer *fs_writer,
		struct bt_ctf_trace *trace)
{
	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;

	if (fs_writer->static_listener_id > 0) {
		bt_ctf_trace_remove_is_static_listener(trace,
				fs_writer->static_listener_id);
	}
	g_hash_table_remove(writer_component->trace_map, trace);
	return ret;
}

BT_HIDDEN
enum bt_component_status writer_stream_begin(
		struct writer_component *writer_component,
		struct bt_ctf_stream *stream)
{
	struct bt_ctf_stream_class *stream_class = NULL;
	struct fs_writer *fs_writer;
	struct bt_ctf_writer *ctf_writer = NULL;
	struct bt_ctf_stream *writer_stream = NULL;
	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;

	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;
	}

	fs_writer = get_fs_writer(writer_component, stream_class);
	if (!fs_writer) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}
	ctf_writer = bt_get(fs_writer->writer);
	writer_stream = insert_new_stream(writer_component, ctf_writer,
			stream_class, stream);
	if (!writer_stream) {
		fprintf(writer_component->err, "[error] %s in %s:%d\n",
				__func__, __FILE__, __LINE__);
		goto error;
	}
	fs_writer->active_streams++;

	goto end;

error:
	ret = BT_COMPONENT_STATUS_ERROR;
end:
	bt_put(ctf_writer);
	bt_put(stream_class);
	return ret;
}

BT_HIDDEN
enum bt_component_status writer_stream_end(
		struct writer_component *writer_component,
		struct bt_ctf_stream *stream)
{
	struct bt_ctf_stream_class *stream_class = NULL;
	struct fs_writer *fs_writer;
	struct bt_ctf_trace *trace = NULL;
	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;

	g_hash_table_remove(writer_component->stream_map, stream);

	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;
	}

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

	assert(fs_writer->active_streams > 0);
	fs_writer->active_streams--;
	if (fs_writer->active_streams == 0 && fs_writer->trace_static) {
		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;
		}
		ret = writer_close(writer_component, fs_writer, trace);
	}

	goto end;

error:
	ret = BT_COMPONENT_STATUS_ERROR;
end:
	BT_PUT(trace);
	BT_PUT(stream_class);
	return ret;
}

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>
f3168545	38	#include <assert.h>
bc506aa5	39
91b73004 JD	40	#include <ctfcopytrace.h>
91b73004 JD	41
bc506aa5 JD	42	#include "writer.h"
bc506aa5 JD	43
f3168545 JD	44	static
	45	void trace_is_static_listener(struct bt_ctf_trace trace, void data)
	46	{
	47	((int ) data) = 1;
	48	}
	49
bc506aa5	50	static
91b73004 JD	51	struct bt_ctf_stream_class *insert_new_stream_class(
	52	struct writer_component *writer_component,
	53	struct bt_ctf_writer *ctf_writer,
	54	struct bt_ctf_stream_class *stream_class)
bc506aa5	55	{
b2f1f465	56	struct bt_ctf_stream_class *writer_stream_class = NULL;
9ae49d3d	57	struct bt_ctf_trace trace = NULL, writer_trace = NULL;
3241bc18	58	enum bt_component_status ret;
bc506aa5	59
3241bc18 JD	60	trace = bt_ctf_stream_class_get_trace(stream_class);
3241bc18 JD	61	if (!trace) {
91b73004 JD	62	fprintf(writer_component->err,
91b73004 JD	63	"[error] %s in %s:%d\n", __func__, __FILE__,
bc506aa5	64	__LINE__);
9ae49d3d	65	goto error;
bc506aa5 JD	66	}
bc506aa5 JD	67
91b73004 JD	68	writer_trace = bt_ctf_writer_get_trace(ctf_writer);
91b73004 JD	69	if (!writer_trace) {
91b73004 JD	70	fprintf(writer_component->err,
91b73004 JD	71	"[error] %s in %s:%d\n", __func__, __FILE__,
d00b90bf	72	__LINE__);
9ae49d3d	73	goto error;
bc506aa5 JD	74	}
bc506aa5 JD	75
91b73004 JD	76	ret = ctf_copy_clock_classes(writer_component->err, writer_trace,
91b73004 JD	77	writer_stream_class, trace);
bc506aa5	78	if (ret != BT_COMPONENT_STATUS_OK) {
91b73004 JD	79	fprintf(writer_component->err,
91b73004 JD	80	"[error] %s in %s:%d\n", __func__, __FILE__,
bc506aa5	81	__LINE__);
9ae49d3d	82	goto error;
b2f1f465 JD	83	}
	84
	85	writer_stream_class = ctf_copy_stream_class(writer_component->err,
	86	stream_class, writer_trace, true);
	87	if (!writer_stream_class) {
	88	fprintf(writer_component->err, "[error] Failed to copy stream class\n");
	89	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	90	__func__, __FILE__, __LINE__);
9ae49d3d	91	goto error;
bc506aa5	92	}
bc506aa5	93
bc506aa5 JD	94	g_hash_table_insert(writer_component->stream_class_map,
	95	(gpointer) stream_class, writer_stream_class);
	96
9ae49d3d JD	97	goto end;
	98
	99	error:
	100	BT_PUT(writer_stream_class);
	101	end:
b2f1f465	102	bt_put(writer_trace);
b2f1f465	103	bt_put(trace);
bc506aa5 JD	104	return writer_stream_class;
	105	}
	106
	107	static
	108	struct bt_ctf_stream *insert_new_stream(
	109	struct writer_component *writer_component,
	110	struct bt_ctf_writer *ctf_writer,
	111	struct bt_ctf_stream_class *stream_class,
	112	struct bt_ctf_stream *stream)
	113	{
9ae49d3d JD	114	struct bt_ctf_stream *writer_stream = NULL;
9ae49d3d JD	115	struct bt_ctf_stream_class *writer_stream_class = NULL;
bc506aa5 JD	116
	117	writer_stream_class = g_hash_table_lookup(
	118	writer_component->stream_class_map,
	119	(gpointer) stream_class);
9ae49d3d	120	if (!writer_stream_class) {
bc506aa5 JD	121	writer_stream_class = insert_new_stream_class(
	122	writer_component, ctf_writer, stream_class);
	123	if (!writer_stream_class) {
bc506aa5 JD	124	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	125	__func__, __FILE__, __LINE__);
9ae49d3d	126	goto error;
bc506aa5 JD	127	}
bc506aa5 JD	128	}
9ae49d3d	129	bt_get(writer_stream_class);
bc506aa5 JD	130
	131	writer_stream = bt_ctf_writer_create_stream(ctf_writer,
	132	writer_stream_class);
	133	if (!writer_stream) {
	134	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	135	__func__, __FILE__, __LINE__);
9ae49d3d	136	goto error;
bc506aa5 JD	137	}
	138
	139	g_hash_table_insert(writer_component->stream_map, (gpointer) stream,
	140	writer_stream);
	141
9ae49d3d	142	goto end;
bc506aa5	143
9ae49d3d JD	144	error:
9ae49d3d JD	145	BT_PUT(writer_stream);
bc506aa5	146	end:
9ae49d3d	147	bt_put(writer_stream_class);
bc506aa5 JD	148	return writer_stream;
	149	}
	150
	151	static
	152	struct bt_ctf_stream lookup_stream(struct writer_component writer_component,
	153	struct bt_ctf_stream *stream)
	154	{
	155	return (struct bt_ctf_stream *) g_hash_table_lookup(
	156	writer_component->stream_map,
	157	(gpointer) stream);
	158	}
	159
	160	static
	161	struct bt_ctf_event_class get_event_class(struct writer_component writer_component,
	162	struct bt_ctf_stream_class *writer_stream_class,
	163	struct bt_ctf_event_class *event_class)
	164	{
a9f0d01b PP	165	return bt_ctf_stream_class_get_event_class_by_id(writer_stream_class,
a9f0d01b PP	166	bt_ctf_event_class_get_id(event_class));
bc506aa5 JD	167	}
bc506aa5 JD	168
f3168545	169	struct fs_writer *insert_new_writer(
bc506aa5 JD	170	struct writer_component *writer_component,
	171	struct bt_ctf_trace *trace)
	172	{
9ae49d3d JD	173	struct bt_ctf_writer *ctf_writer = NULL;
9ae49d3d JD	174	struct bt_ctf_trace *writer_trace = NULL;
bc506aa5 JD	175	char trace_name[PATH_MAX];
bc506aa5 JD	176	enum bt_component_status ret;
f3168545	177	struct fs_writer *fs_writer;
bc506aa5	178
9ae49d3d	179	/* FIXME: replace with trace name when it will work. */
bc506aa5	180	snprintf(trace_name, PATH_MAX, "%s/%s_%03d",
9057f037 JD	181	writer_component->base_path->str,
9057f037 JD	182	writer_component->trace_name_base->str,
bc506aa5 JD	183	writer_component->trace_id++);
bc506aa5 JD	184	printf_verbose("CTF-Writer creating trace in %s\n", trace_name);
9057f037	185
bc506aa5 JD	186	ctf_writer = bt_ctf_writer_create(trace_name);
	187	if (!ctf_writer) {
	188	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	189	__func__, __FILE__, __LINE__);
9ae49d3d	190	goto error;
bc506aa5 JD	191	}
bc506aa5 JD	192
91b73004 JD	193	writer_trace = bt_ctf_writer_get_trace(ctf_writer);
91b73004 JD	194	if (!writer_trace) {
91b73004 JD	195	fprintf(writer_component->err,
	196	"[error] %s in %s:%d\n", __func__, __FILE__,
	197	__LINE__);
9ae49d3d	198	goto error;
91b73004 JD	199	}
	200
	201	ret = ctf_copy_trace(writer_component->err, trace, writer_trace);
bc506aa5 JD	202	if (ret != BT_COMPONENT_STATUS_OK) {
	203	fprintf(writer_component->err, "[error] Failed to copy trace\n");
	204	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	205	__func__, __FILE__, __LINE__);
	206	BT_PUT(ctf_writer);
f3168545	207	goto error;
bc506aa5	208	}
f3168545 JD	209
	210	fs_writer = g_new0(struct fs_writer, 1);
	211	if (!fs_writer) {
	212	fprintf(writer_component->err,
	213	"[error] %s in %s:%d\n", __func__, __FILE__,
	214	__LINE__);
	215	goto error;
	216	}
	217	fs_writer->writer = ctf_writer;
	218	fs_writer->writer_trace = writer_trace;
9ae49d3d	219	BT_PUT(writer_trace);
f3168545 JD	220	if (bt_ctf_trace_is_static(trace)) {
	221	fs_writer->trace_static = 1;
	222	fs_writer->static_listener_id = -1;
	223	} else {
	224	ret = bt_ctf_trace_add_is_static_listener(trace,
	225	trace_is_static_listener, &fs_writer->trace_static);
	226	if (ret < 0) {
	227	fprintf(writer_component->err,
	228	"[error] %s in %s:%d\n", __func__, __FILE__,
	229	__LINE__);
	230	g_free(fs_writer);
	231	fs_writer = NULL;
	232	goto error;
	233	}
	234	fs_writer->static_listener_id = ret;
	235	}
bc506aa5 JD	236
bc506aa5 JD	237	g_hash_table_insert(writer_component->trace_map, (gpointer) trace,
f3168545	238	fs_writer);
bc506aa5	239
9ae49d3d JD	240	goto end;
	241
	242	error:
	243	bt_put(writer_trace);
	244	BT_PUT(ctf_writer);
bc506aa5	245	end:
f3168545	246	return fs_writer;
bc506aa5 JD	247	}
	248
	249	static
f3168545	250	struct fs_writer get_fs_writer(struct writer_component writer_component,
bc506aa5 JD	251	struct bt_ctf_stream_class *stream_class)
bc506aa5 JD	252	{
9ae49d3d	253	struct bt_ctf_trace *trace = NULL;
f3168545	254	struct fs_writer *fs_writer;
bc506aa5 JD	255
	256	trace = bt_ctf_stream_class_get_trace(stream_class);
	257	if (!trace) {
bc506aa5 JD	258	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	259	__func__, __FILE__, __LINE__);
9ae49d3d	260	goto error;
bc506aa5 JD	261	}
bc506aa5 JD	262
f3168545	263	fs_writer = g_hash_table_lookup(writer_component->trace_map,
bc506aa5	264	(gpointer) trace);
f3168545 JD	265	if (!fs_writer) {
f3168545 JD	266	fs_writer = insert_new_writer(writer_component, trace);
bc506aa5	267	}
9ae49d3d JD	268	BT_PUT(trace);
9ae49d3d JD	269	goto end;
bc506aa5	270
9ae49d3d	271	error:
f3168545	272	fs_writer = NULL;
bc506aa5	273	end:
f3168545	274	return fs_writer;
bc506aa5 JD	275	}
	276
	277	static
	278	struct bt_ctf_stream *get_writer_stream(
	279	struct writer_component *writer_component,
	280	struct bt_ctf_packet packet, struct bt_ctf_stream stream)
	281	{
9ae49d3d	282	struct bt_ctf_stream *writer_stream = NULL;
bc506aa5	283
f384901f JD	284	writer_stream = lookup_stream(writer_component, stream);
f384901f JD	285	if (!writer_stream) {
bc506aa5 JD	286	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	287	__func__, __FILE__, __LINE__);
9ae49d3d	288	goto error;
bc506aa5	289	}
9ae49d3d JD	290	bt_get(writer_stream);
	291
	292	goto end;
bc506aa5	293
9ae49d3d JD	294	error:
	295	BT_PUT(writer_stream);
	296	end:
bc506aa5 JD	297	return writer_stream;
	298	}
	299
f3168545 JD	300	BT_HIDDEN
	301	enum bt_component_status writer_close(
	302	struct writer_component *writer_component,
	303	struct fs_writer *fs_writer,
	304	struct bt_ctf_trace *trace)
	305	{
	306	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
	307
	308	if (fs_writer->static_listener_id > 0) {
	309	bt_ctf_trace_remove_is_static_listener(trace,
	310	fs_writer->static_listener_id);
	311	}
	312	g_hash_table_remove(writer_component->trace_map, trace);
	313	return ret;
	314	}
	315
f384901f JD	316	BT_HIDDEN
	317	enum bt_component_status writer_stream_begin(
	318	struct writer_component *writer_component,
	319	struct bt_ctf_stream *stream)
	320	{
	321	struct bt_ctf_stream_class *stream_class = NULL;
	322	struct fs_writer *fs_writer;
	323	struct bt_ctf_writer *ctf_writer = NULL;
	324	struct bt_ctf_stream *writer_stream = NULL;
	325	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
	326
	327	stream_class = bt_ctf_stream_get_class(stream);
	328	if (!stream_class) {
	329	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	330	__func__, __FILE__, __LINE__);
	331	goto error;
	332	}
	333
	334	fs_writer = get_fs_writer(writer_component, stream_class);
	335	if (!fs_writer) {
	336	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	337	__func__, __FILE__, __LINE__);
	338	goto error;
	339	}
	340	ctf_writer = bt_get(fs_writer->writer);
	341	writer_stream = insert_new_stream(writer_component, ctf_writer,
	342	stream_class, stream);
	343	if (!writer_stream) {
	344	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	345	__func__, __FILE__, __LINE__);
	346	goto error;
	347	}
	348	fs_writer->active_streams++;
	349
	350	goto end;
	351
	352	error:
	353	ret = BT_COMPONENT_STATUS_ERROR;
	354	end:
	355	bt_put(ctf_writer);
	356	bt_put(stream_class);
	357	return ret;
	358	}
	359
f3168545 JD	360	BT_HIDDEN
	361	enum bt_component_status writer_stream_end(
	362	struct writer_component *writer_component,
	363	struct bt_ctf_stream *stream)
	364	{
	365	struct bt_ctf_stream_class *stream_class = NULL;
	366	struct fs_writer *fs_writer;
	367	struct bt_ctf_trace *trace = NULL;
	368	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
	369
	370	g_hash_table_remove(writer_component->stream_map, stream);
	371
	372	stream_class = bt_ctf_stream_get_class(stream);
	373	if (!stream_class) {
	374	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	375	__func__, __FILE__, __LINE__);
	376	goto error;
	377	}
	378
	379	fs_writer = get_fs_writer(writer_component, stream_class);
	380	if (!fs_writer) {
	381	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	382	__func__, __FILE__, __LINE__);
	383	goto error;
	384	}
	385
	386	assert(fs_writer->active_streams > 0);
	387	fs_writer->active_streams--;
	388	if (fs_writer->active_streams == 0 && fs_writer->trace_static) {
	389	trace = bt_ctf_stream_class_get_trace(stream_class);
	390	if (!trace) {
	391	fprintf(writer_component->err, "[error] %s in %s:%d\n",
	392	__func__, __FILE__, __LINE__);
	393	goto error;
	394	}
	395	ret = writer_close(writer_component, fs_writer, trace);
	396	}
	397
	398	goto end;
	399
	400	error:
	401	ret = BT_COMPONENT_STATUS_ERROR;
	402	end:
	403	BT_PUT(trace);
	404	BT_PUT(stream_class);
	405	return ret;
	406	}
	407
bc506aa5 JD	408	BT_HIDDEN
	409	enum bt_component_status writer_new_packet(
	410	struct writer_component *writer_component,
	411	struct bt_ctf_packet *packet)
	412	{
9ae49d3d JD	413	struct bt_ctf_stream stream = NULL, writer_stream = NULL;
9ae49d3d JD	414	struct bt_ctf_field *writer_packet_context = NULL;
bc506aa5	415	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
b2f1f465	416	int int_ret;
bc506aa5 JD	417
	418	stream = bt_ctf_packet_get_stream(packet);
	419	if (!stream) {
bc506aa5 JD	420	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	421	__func__, __FILE__, __LINE__);
9ae49d3d	422	goto error;
bc506aa5 JD	423	}
bc506aa5 JD	424
bc506aa5 JD	425	writer_stream = get_writer_stream(writer_component, packet, stream);
bc506aa5 JD	426	if (!writer_stream) {
bc506aa5 JD	427	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	428	__func__, __FILE__, __LINE__);
9ae49d3d	429	goto error;
bc506aa5	430	}
9ae49d3d	431	BT_PUT(stream);
bc506aa5	432
b2f1f465	433	writer_packet_context = ctf_copy_packet_context(writer_component->err,
ab80adac	434	packet, writer_stream, 1);
b2f1f465	435	if (!writer_packet_context) {
91b73004 JD	436	fprintf(writer_component->err, "[error] %s in %s:%d\n",
91b73004 JD	437	__func__, __FILE__, __LINE__);
9ae49d3d	438	goto error;
bc506aa5 JD	439	}
bc506aa5 JD	440
b2f1f465 JD	441	int_ret = bt_ctf_stream_set_packet_context(writer_stream,
	442	writer_packet_context);
	443	if (int_ret < 0) {
b2f1f465 JD	444	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
b2f1f465 JD	445	__FILE__, __LINE__);
9ae49d3d	446	goto error;
b2f1f465	447	}
9ae49d3d JD	448	BT_PUT(writer_stream);
9ae49d3d JD	449	BT_PUT(writer_packet_context);
b2f1f465	450
9ae49d3d	451	goto end;
bc506aa5	452
9ae49d3d JD	453	error:
	454	ret = BT_COMPONENT_STATUS_ERROR;
	455	end:
	456	bt_put(writer_stream);
b2f1f465	457	bt_put(writer_packet_context);
91b73004	458	bt_put(stream);
bc506aa5 JD	459	return ret;
	460	}
	461
	462	BT_HIDDEN
	463	enum bt_component_status writer_close_packet(
	464	struct writer_component *writer_component,
	465	struct bt_ctf_packet *packet)
	466	{
9ae49d3d	467	struct bt_ctf_stream stream = NULL, writer_stream = NULL;
bc506aa5 JD	468	enum bt_component_status ret;
	469
	470	stream = bt_ctf_packet_get_stream(packet);
	471	if (!stream) {
bc506aa5 JD	472	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	473	__func__, __FILE__, __LINE__);
9ae49d3d	474	goto error;
bc506aa5 JD	475	}
	476
	477	writer_stream = lookup_stream(writer_component, stream);
	478	if (!writer_stream) {
bc506aa5 JD	479	fprintf(writer_component->err, "[error] %s in %s:%d\n",
bc506aa5 JD	480	__func__, __FILE__, __LINE__);
9ae49d3d	481	goto error;
bc506aa5	482	}
9ae49d3d	483	BT_PUT(stream);
bc506aa5	484
9ae49d3d	485	bt_get(writer_stream);
bc506aa5	486
bc506aa5 JD	487	ret = bt_ctf_stream_flush(writer_stream);
	488	if (ret < 0) {
	489	fprintf(writer_component->err,
	490	"[error] Failed to flush packet\n");
9ae49d3d	491	goto error;
bc506aa5	492	}
9ae49d3d	493	BT_PUT(writer_stream);
bc506aa5 JD	494
bc506aa5 JD	495	ret = BT_COMPONENT_STATUS_OK;
9ae49d3d	496	goto end;
bc506aa5	497
9ae49d3d JD	498	error:
	499	ret = BT_COMPONENT_STATUS_ERROR;
	500	end:
bc506aa5	501	bt_put(writer_stream);
bc506aa5	502	bt_put(stream);
bc506aa5 JD	503	return ret;
	504	}
	505
bc506aa5 JD	506	BT_HIDDEN
	507	enum bt_component_status writer_output_event(
	508	struct writer_component *writer_component,
	509	struct bt_ctf_event *event)
	510	{
	511	enum bt_component_status ret;
9ae49d3d JD	512	struct bt_ctf_event_class event_class = NULL, writer_event_class = NULL;
	513	struct bt_ctf_stream stream = NULL, writer_stream = NULL;
	514	struct bt_ctf_stream_class stream_class = NULL, writer_stream_class = NULL;
	515	struct bt_ctf_event *writer_event = NULL;
bc506aa5 JD	516	const char *event_name;
	517	int int_ret;
	518
	519	event_class = bt_ctf_event_get_class(event);
	520	if (!event_class) {
bc506aa5 JD	521	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	522	__FILE__, __LINE__);
9ae49d3d	523	goto error;
bc506aa5 JD	524	}
	525
	526	event_name = bt_ctf_event_class_get_name(event_class);
	527	if (!event_name) {
bc506aa5 JD	528	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	529	__FILE__, __LINE__);
9ae49d3d	530	goto error;
bc506aa5	531	}
bc506aa5 JD	532
	533	stream = bt_ctf_event_get_stream(event);
	534	if (!stream) {
bc506aa5 JD	535	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	536	__FILE__, __LINE__);
9ae49d3d	537	goto error;
bc506aa5 JD	538	}
	539
	540	writer_stream = lookup_stream(writer_component, stream);
	541	if (!writer_stream \|\| !bt_get(writer_stream)) {
bc506aa5 JD	542	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	543	__FILE__, __LINE__);
9ae49d3d	544	goto error;
bc506aa5 JD	545	}
	546
	547	stream_class = bt_ctf_event_class_get_stream_class(event_class);
	548	if (!stream_class) {
bc506aa5 JD	549	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	550	__FILE__, __LINE__);
9ae49d3d	551	goto error;
bc506aa5 JD	552	}
	553
	554	writer_stream_class = g_hash_table_lookup(
	555	writer_component->stream_class_map,
	556	(gpointer) stream_class);
	557	if (!writer_stream_class \|\| !bt_get(writer_stream_class)) {
bc506aa5 JD	558	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
bc506aa5 JD	559	__FILE__, __LINE__);
9ae49d3d	560	goto error;
bc506aa5 JD	561	}
	562
	563	writer_event_class = get_event_class(writer_component,
	564	writer_stream_class, event_class);
	565	if (!writer_event_class) {
af34e875 JD	566	writer_event_class = ctf_copy_event_class(writer_component->err,
	567	event_class);
	568	if (!writer_event_class) {
af34e875 JD	569	fprintf(writer_component->err, "[error] %s in %s:%d\n",
af34e875 JD	570	__func__, __FILE__, __LINE__);
9ae49d3d	571	goto error;
af34e875 JD	572	}
	573	int_ret = bt_ctf_stream_class_add_event_class(
	574	writer_stream_class, writer_event_class);
	575	if (int_ret) {
af34e875 JD	576	fprintf(writer_component->err, "[error] %s in %s:%d\n",
af34e875 JD	577	__func__, __FILE__, __LINE__);
9ae49d3d	578	goto error;
af34e875	579	}
bc506aa5 JD	580	}
bc506aa5 JD	581
b2f1f465 JD	582	writer_event = ctf_copy_event(writer_component->err, event,
b2f1f465 JD	583	writer_event_class, true);
bc506aa5	584	if (!writer_event) {
bc506aa5 JD	585	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
	586	__FILE__, __LINE__);
	587	fprintf(writer_component->err, "[error] Failed to copy event %s\n",
	588	bt_ctf_event_class_get_name(writer_event_class));
9ae49d3d	589	goto error;
bc506aa5 JD	590	}
	591
	592	int_ret = bt_ctf_stream_append_event(writer_stream, writer_event);
	593	if (int_ret < 0) {
bc506aa5 JD	594	fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
	595	__FILE__, __LINE__);
	596	fprintf(writer_component->err, "[error] Failed to append event %s\n",
	597	bt_ctf_event_class_get_name(writer_event_class));
9ae49d3d	598	goto error;
bc506aa5 JD	599	}
	600
	601	ret = BT_COMPONENT_STATUS_OK;
9ae49d3d	602	goto end;
bc506aa5	603
9ae49d3d JD	604	error:
	605	ret = BT_COMPONENT_STATUS_ERROR;
	606	end:
bc506aa5	607	bt_put(writer_event);
bc506aa5	608	bt_put(writer_event_class);
bc506aa5	609	bt_put(writer_stream_class);
bc506aa5	610	bt_put(stream_class);
bc506aa5	611	bt_put(writer_stream);
bc506aa5	612	bt_put(stream);
bc506aa5	613	bt_put(event_class);
bc506aa5 JD	614	return ret;
bc506aa5 JD	615	}