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

/*
 * writer.c
 *
 * Babeltrace CTF Writer Output Plugin
 *
 * 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.
 */

#define BT_LOG_TAG "PLUGIN-CTF-FS-SINK-WRITER"
#include "logging.h"

#include <babeltrace/babeltrace.h>
#include <plugins-common.h>
#include <stdio.h>
#include <stdbool.h>
#include <glib.h>
#include "writer.h"
#include <assert.h>

static
gboolean empty_trace_map(gpointer key, gpointer value, gpointer user_data)
{
	struct fs_writer *fs_writer = value;
	struct writer_component *writer_component = user_data;

	fs_writer->trace_static = 1;
	writer_close(writer_component, fs_writer);

	return TRUE;
}

static
void destroy_writer_component_data(struct writer_component *writer_component)
{
	bt_put(writer_component->input_iterator);

	g_hash_table_foreach_remove(writer_component->trace_map,
			empty_trace_map, writer_component);
	g_hash_table_destroy(writer_component->trace_map);

	g_string_free(writer_component->base_path, true);
	g_string_free(writer_component->trace_name_base, true);
}

BT_HIDDEN
void writer_component_finalize(struct bt_private_component *component)
{
	struct writer_component *writer_component = (struct writer_component *)
		bt_private_component_get_user_data(component);

	destroy_writer_component_data(writer_component);
	g_free(writer_component);
}

static
void free_fs_writer(struct fs_writer *fs_writer)
{
	bt_put(fs_writer->writer);
	g_free(fs_writer);
}

static
struct writer_component *create_writer_component(void)
{
	struct writer_component *writer_component;

	writer_component = g_new0(struct writer_component, 1);
	if (!writer_component) {
		goto end;
	}

	writer_component->err = stderr;
	writer_component->trace_id = 0;
	writer_component->trace_name_base = g_string_new("trace");
	if (!writer_component->trace_name_base) {
		g_free(writer_component);
		writer_component = NULL;
		goto end;
	}

	/*
	 * Reader to writer corresponding structures.
	 */
	writer_component->trace_map = g_hash_table_new_full(g_direct_hash,
			g_direct_equal, NULL, (GDestroyNotify) free_fs_writer);

end:
	return writer_component;
}

static
enum bt_component_status handle_notification(
		struct writer_component *writer_component,
		struct bt_notification *notification)
{
	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;

	if (!writer_component) {
		ret = BT_COMPONENT_STATUS_ERROR;
		goto end;
	}

	switch (bt_notification_get_type(notification)) {
	case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
	{
		struct bt_packet *packet =
			bt_notification_packet_begin_get_packet(notification);

		if (!packet) {
			ret = BT_COMPONENT_STATUS_ERROR;
			goto end;
		}

		ret = writer_new_packet(writer_component, packet);
		bt_put(packet);
		break;
	}
	case BT_NOTIFICATION_TYPE_PACKET_END:
	{
		struct bt_packet *packet =
			bt_notification_packet_end_get_packet(notification);

		if (!packet) {
			ret = BT_COMPONENT_STATUS_ERROR;
			goto end;
		}
		ret = writer_close_packet(writer_component, packet);
		bt_put(packet);
		break;
	}
	case BT_NOTIFICATION_TYPE_EVENT:
	{
		struct bt_event *event = bt_notification_event_get_event(
				notification);

		if (!event) {
			ret = BT_COMPONENT_STATUS_ERROR;
			goto end;
		}
		ret = writer_output_event(writer_component, event);
		bt_put(event);
		if (ret != BT_COMPONENT_STATUS_OK) {
			goto end;
		}
		break;
	}
	case BT_NOTIFICATION_TYPE_STREAM_BEGIN:
	{
		struct bt_stream *stream =
			bt_notification_stream_begin_get_stream(notification);

		if (!stream) {
			ret = BT_COMPONENT_STATUS_ERROR;
			goto end;
		}
		ret = writer_stream_begin(writer_component, stream);
		bt_put(stream);
		break;
	}
	case BT_NOTIFICATION_TYPE_STREAM_END:
	{
		struct bt_stream *stream =
			bt_notification_stream_end_get_stream(notification);

		if (!stream) {
			ret = BT_COMPONENT_STATUS_ERROR;
			goto end;
		}
		ret = writer_stream_end(writer_component, stream);
		bt_put(stream);
		break;
	}
	default:
		puts("Unhandled notification type");
	}
end:
	return ret;
}

BT_HIDDEN
void writer_component_port_connected(
		struct bt_private_component *component,
		struct bt_private_port *self_port,
		struct bt_port *other_port)
{
	struct bt_private_connection *connection;
	struct writer_component *writer;
	enum bt_connection_status conn_status;
	static const enum bt_notification_type notif_types[] = {
		BT_NOTIFICATION_TYPE_EVENT,
		BT_NOTIFICATION_TYPE_PACKET_BEGIN,
		BT_NOTIFICATION_TYPE_PACKET_END,
		BT_NOTIFICATION_TYPE_STREAM_BEGIN,
		BT_NOTIFICATION_TYPE_STREAM_END,
		BT_NOTIFICATION_TYPE_SENTINEL,
	};

	writer = bt_private_component_get_user_data(component);
	assert(writer);
	assert(!writer->input_iterator);
	connection = bt_private_port_get_private_connection(self_port);
	assert(connection);
	conn_status = bt_private_connection_create_notification_iterator(
		connection, notif_types, &writer->input_iterator);
	if (conn_status != BT_CONNECTION_STATUS_OK) {
		writer->error = true;
	}

	bt_put(connection);
}

BT_HIDDEN
enum bt_component_status writer_run(struct bt_private_component *component)
{
	enum bt_component_status ret;
	struct bt_notification *notification = NULL;
	struct bt_notification_iterator *it;
	struct writer_component *writer_component =
		bt_private_component_get_user_data(component);
	enum bt_notification_iterator_status it_ret;

	if (unlikely(writer_component->error)) {
		ret = BT_COMPONENT_STATUS_ERROR;
		goto end;
	}

	it = writer_component->input_iterator;
	assert(it);
	it_ret = bt_notification_iterator_next(it);

	switch (it_ret) {
	case BT_NOTIFICATION_ITERATOR_STATUS_END:
		ret = BT_COMPONENT_STATUS_END;
		BT_PUT(writer_component->input_iterator);
		goto end;
	case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN:
		ret = BT_COMPONENT_STATUS_AGAIN;
		goto end;
	case BT_NOTIFICATION_ITERATOR_STATUS_OK:
		break;
	default:
		ret = BT_COMPONENT_STATUS_ERROR;
		goto end;
	}

	notification = bt_notification_iterator_get_notification(it);
	assert(notification);
	ret = handle_notification(writer_component, notification);
end:
	bt_put(notification);
	return ret;
}

static
enum bt_component_status apply_one_bool(const char *key,
		struct bt_value *params,
		bool *option,
		bool *found)
{
	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
	struct bt_value *value = NULL;
	enum bt_value_status status;
	bt_bool bool_val;

	value = bt_value_map_get(params, key);
	if (!value) {
		goto end;
	}
	status = bt_value_bool_get(value, &bool_val);
	if (status != BT_VALUE_STATUS_OK) {
		ret = BT_COMPONENT_STATUS_ERROR;
		goto end;
	}

	*option = (bool) bool_val;
	if (found) {
		*found = true;
	}
end:
	bt_put(value);
	return ret;
}

BT_HIDDEN
enum bt_component_status writer_component_init(
	struct bt_private_component *component, struct bt_value *params,
	UNUSED_VAR void *init_method_data)
{
	enum bt_component_status ret;
	enum bt_value_status value_ret;
	struct writer_component *writer_component = create_writer_component();
	struct bt_value *value = NULL;
	const char *path;

	if (!writer_component) {
		ret = BT_COMPONENT_STATUS_NOMEM;
		goto end;
	}

	ret = bt_private_component_sink_add_input_private_port(component,
		"in", NULL, NULL);
	if (ret != BT_COMPONENT_STATUS_OK) {
		goto end;
	}

	value = bt_value_map_get(params, "path");
	if (!value || bt_value_is_null(value) || !bt_value_is_string(value)) {
		BT_LOGE_STR("Missing mandatory \"path\" parameter.");
		ret = BT_COMPONENT_STATUS_INVALID;
		goto error;
	}

	value_ret = bt_value_string_get(value, &path);
	if (value_ret != BT_VALUE_STATUS_OK) {
		ret = BT_COMPONENT_STATUS_INVALID;
		goto error;
	}
	bt_put(value);

	writer_component->base_path = g_string_new(path);
	if (!writer_component->base_path) {
		ret = BT_COMPONENT_STATUS_ERROR;
		goto error;
	}

	writer_component->single_trace = false;
	ret = apply_one_bool("single-trace", params,
			&writer_component->single_trace, NULL);
	if (ret != BT_COMPONENT_STATUS_OK) {
		goto end;
	}

	ret = bt_private_component_set_user_data(component, writer_component);
	if (ret != BT_COMPONENT_STATUS_OK) {
		goto error;
	}

end:
	return ret;
error:
	destroy_writer_component_data(writer_component);
	g_free(writer_component);
	return ret;
}
Commit	Line	Data
bc506aa5 JD	1	/*
	2	* writer.c
	3	*
	4	* Babeltrace CTF Writer Output Plugin
	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
449f71e3 JD	29	#define BT_LOG_TAG "PLUGIN-CTF-FS-SINK-WRITER"
	30	#include "logging.h"
	31
9d408fca	32	#include <babeltrace/babeltrace.h>
7d61fa8e	33	#include <plugins-common.h>
bc506aa5 JD	34	#include <stdio.h>
	35	#include <stdbool.h>
	36	#include <glib.h>
	37	#include "writer.h"
c70ed359	38	#include <assert.h>
bc506aa5	39
1c78e839	40	static
a619fcb7	41	gboolean empty_trace_map(gpointer key, gpointer value, gpointer user_data)
f3168545	42	{
a619fcb7 JD	43	struct fs_writer *fs_writer = value;
	44	struct writer_component *writer_component = user_data;
	45
3b41eaba	46	fs_writer->trace_static = 1;
a619fcb7 JD	47	writer_close(writer_component, fs_writer);
a619fcb7 JD	48
f3168545 JD	49	return TRUE;
	50	}
	51
bc506aa5 JD	52	static
	53	void destroy_writer_component_data(struct writer_component *writer_component)
	54	{
c70ed359	55	bt_put(writer_component->input_iterator);
f3168545	56
f3168545	57	g_hash_table_foreach_remove(writer_component->trace_map,
a619fcb7	58	empty_trace_map, writer_component);
bc506aa5	59	g_hash_table_destroy(writer_component->trace_map);
f3168545	60
9057f037 JD	61	g_string_free(writer_component->base_path, true);
9057f037 JD	62	g_string_free(writer_component->trace_name_base, true);
bc506aa5 JD	63	}
bc506aa5 JD	64
d8866baa PP	65	BT_HIDDEN
d8866baa PP	66	void writer_component_finalize(struct bt_private_component *component)
bc506aa5 JD	67	{
bc506aa5 JD	68	struct writer_component writer_component = (struct writer_component )
890882ef	69	bt_private_component_get_user_data(component);
bc506aa5 JD	70
	71	destroy_writer_component_data(writer_component);
	72	g_free(writer_component);
	73	}
	74
bc506aa5	75	static
f3168545	76	void free_fs_writer(struct fs_writer *fs_writer)
bc506aa5	77	{
f3168545 JD	78	bt_put(fs_writer->writer);
f3168545 JD	79	g_free(fs_writer);
bc506aa5 JD	80	}
	81
	82	static
	83	struct writer_component *create_writer_component(void)
	84	{
	85	struct writer_component *writer_component;
	86
	87	writer_component = g_new0(struct writer_component, 1);
	88	if (!writer_component) {
	89	goto end;
	90	}
	91
	92	writer_component->err = stderr;
	93	writer_component->trace_id = 0;
9057f037 JD	94	writer_component->trace_name_base = g_string_new("trace");
	95	if (!writer_component->trace_name_base) {
	96	g_free(writer_component);
	97	writer_component = NULL;
	98	goto end;
	99	}
bc506aa5 JD	100
	101	/*
	102	* Reader to writer corresponding structures.
	103	*/
	104	writer_component->trace_map = g_hash_table_new_full(g_direct_hash,
f3168545	105	g_direct_equal, NULL, (GDestroyNotify) free_fs_writer);
bc506aa5 JD	106
	107	end:
	108	return writer_component;
	109	}
	110
	111	static
	112	enum bt_component_status handle_notification(
	113	struct writer_component *writer_component,
	114	struct bt_notification *notification)
	115	{
	116	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
	117
	118	if (!writer_component) {
	119	ret = BT_COMPONENT_STATUS_ERROR;
	120	goto end;
	121	}
	122
	123	switch (bt_notification_get_type(notification)) {
ea0e619e	124	case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
bc506aa5	125	{
50842bdc	126	struct bt_packet *packet =
ea0e619e	127	bt_notification_packet_begin_get_packet(notification);
bc506aa5 JD	128
	129	if (!packet) {
	130	ret = BT_COMPONENT_STATUS_ERROR;
	131	goto end;
	132	}
	133
	134	ret = writer_new_packet(writer_component, packet);
	135	bt_put(packet);
	136	break;
	137	}
	138	case BT_NOTIFICATION_TYPE_PACKET_END:
	139	{
50842bdc	140	struct bt_packet *packet =
ea0e619e	141	bt_notification_packet_end_get_packet(notification);
bc506aa5 JD	142
	143	if (!packet) {
	144	ret = BT_COMPONENT_STATUS_ERROR;
	145	goto end;
	146	}
	147	ret = writer_close_packet(writer_component, packet);
	148	bt_put(packet);
	149	break;
	150	}
	151	case BT_NOTIFICATION_TYPE_EVENT:
	152	{
50842bdc	153	struct bt_event *event = bt_notification_event_get_event(
bc506aa5 JD	154	notification);
	155
	156	if (!event) {
	157	ret = BT_COMPONENT_STATUS_ERROR;
	158	goto end;
	159	}
bc506aa5 JD	160	ret = writer_output_event(writer_component, event);
	161	bt_put(event);
	162	if (ret != BT_COMPONENT_STATUS_OK) {
	163	goto end;
	164	}
	165	break;
	166	}
f384901f JD	167	case BT_NOTIFICATION_TYPE_STREAM_BEGIN:
f384901f JD	168	{
50842bdc	169	struct bt_stream *stream =
f384901f JD	170	bt_notification_stream_begin_get_stream(notification);
	171
	172	if (!stream) {
	173	ret = BT_COMPONENT_STATUS_ERROR;
	174	goto end;
	175	}
	176	ret = writer_stream_begin(writer_component, stream);
	177	bt_put(stream);
	178	break;
	179	}
bc506aa5	180	case BT_NOTIFICATION_TYPE_STREAM_END:
f3168545	181	{
50842bdc	182	struct bt_stream *stream =
f3168545 JD	183	bt_notification_stream_end_get_stream(notification);
	184
	185	if (!stream) {
	186	ret = BT_COMPONENT_STATUS_ERROR;
	187	goto end;
	188	}
	189	ret = writer_stream_end(writer_component, stream);
	190	bt_put(stream);
bc506aa5	191	break;
f3168545	192	}
bc506aa5 JD	193	default:
	194	puts("Unhandled notification type");
	195	}
	196	end:
	197	return ret;
	198	}
	199
d8866baa	200	BT_HIDDEN
0d8b4d8e	201	void writer_component_port_connected(
890882ef	202	struct bt_private_component *component,
8f4799f7 PP	203	struct bt_private_port *self_port,
8f4799f7 PP	204	struct bt_port *other_port)
c70ed359	205	{
890882ef	206	struct bt_private_connection *connection;
c70ed359	207	struct writer_component *writer;
73d5c1ad	208	enum bt_connection_status conn_status;
93fc16a5	209	static const enum bt_notification_type notif_types[] = {
f3168545	210	BT_NOTIFICATION_TYPE_EVENT,
93fc16a5 JD	211	BT_NOTIFICATION_TYPE_PACKET_BEGIN,
93fc16a5 JD	212	BT_NOTIFICATION_TYPE_PACKET_END,
f384901f	213	BT_NOTIFICATION_TYPE_STREAM_BEGIN,
f3168545	214	BT_NOTIFICATION_TYPE_STREAM_END,
93fc16a5 JD	215	BT_NOTIFICATION_TYPE_SENTINEL,
93fc16a5 JD	216	};
c70ed359	217
890882ef	218	writer = bt_private_component_get_user_data(component);
c70ed359 JG	219	assert(writer);
c70ed359 JG	220	assert(!writer->input_iterator);
890882ef	221	connection = bt_private_port_get_private_connection(self_port);
72b913fb	222	assert(connection);
73d5c1ad PP	223	conn_status = bt_private_connection_create_notification_iterator(
	224	connection, notif_types, &writer->input_iterator);
	225	if (conn_status != BT_CONNECTION_STATUS_OK) {
0d8b4d8e	226	writer->error = true;
c70ed359	227	}
0d8b4d8e	228
72b913fb	229	bt_put(connection);
c70ed359 JG	230	}
c70ed359 JG	231
d8866baa PP	232	BT_HIDDEN
d8866baa PP	233	enum bt_component_status writer_run(struct bt_private_component *component)
bc506aa5 JD	234	{
	235	enum bt_component_status ret;
	236	struct bt_notification *notification = NULL;
	237	struct bt_notification_iterator *it;
	238	struct writer_component *writer_component =
890882ef	239	bt_private_component_get_user_data(component);
7cdc2bab	240	enum bt_notification_iterator_status it_ret;
bc506aa5	241
0d8b4d8e PP	242	if (unlikely(writer_component->error)) {
	243	ret = BT_COMPONENT_STATUS_ERROR;
	244	goto end;
	245	}
	246
7cdc2bab MD	247	it = writer_component->input_iterator;
	248	assert(it);
	249	it_ret = bt_notification_iterator_next(it);
bc506aa5	250
7cdc2bab MD	251	switch (it_ret) {
	252	case BT_NOTIFICATION_ITERATOR_STATUS_END:
	253	ret = BT_COMPONENT_STATUS_END;
	254	BT_PUT(writer_component->input_iterator);
	255	goto end;
	256	case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN:
	257	ret = BT_COMPONENT_STATUS_AGAIN;
	258	goto end;
	259	case BT_NOTIFICATION_ITERATOR_STATUS_OK:
	260	break;
	261	default:
72b913fb	262	ret = BT_COMPONENT_STATUS_ERROR;
996a07a1 JG	263	goto end;
	264	}
	265
7cdc2bab MD	266	notification = bt_notification_iterator_get_notification(it);
7cdc2bab MD	267	assert(notification);
bc506aa5 JD	268	ret = handle_notification(writer_component, notification);
bc506aa5 JD	269	end:
bc506aa5 JD	270	bt_put(notification);
	271	return ret;
	272	}
	273
6ca0eb99 JD	274	static
	275	enum bt_component_status apply_one_bool(const char *key,
	276	struct bt_value *params,
	277	bool *option,
	278	bool *found)
	279	{
	280	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
	281	struct bt_value *value = NULL;
	282	enum bt_value_status status;
	283	bt_bool bool_val;
	284
	285	value = bt_value_map_get(params, key);
	286	if (!value) {
	287	goto end;
	288	}
	289	status = bt_value_bool_get(value, &bool_val);
802af08e	290	if (status != BT_VALUE_STATUS_OK) {
6ca0eb99 JD	291	ret = BT_COMPONENT_STATUS_ERROR;
	292	goto end;
	293	}
802af08e	294
6ca0eb99 JD	295	*option = (bool) bool_val;
	296	if (found) {
	297	*found = true;
	298	}
	299	end:
	300	bt_put(value);
	301	return ret;
	302	}
	303
d8866baa	304	BT_HIDDEN
bc506aa5	305	enum bt_component_status writer_component_init(
890882ef	306	struct bt_private_component component, struct bt_value params,
7d61fa8e	307	UNUSED_VAR void *init_method_data)
bc506aa5 JD	308	{
	309	enum bt_component_status ret;
	310	enum bt_value_status value_ret;
	311	struct writer_component *writer_component = create_writer_component();
	312	struct bt_value *value = NULL;
	313	const char *path;
	314
	315	if (!writer_component) {
	316	ret = BT_COMPONENT_STATUS_NOMEM;
	317	goto end;
	318	}
	319
147337a3 PP	320	ret = bt_private_component_sink_add_input_private_port(component,
	321	"in", NULL, NULL);
	322	if (ret != BT_COMPONENT_STATUS_OK) {
b9d103be PP	323	goto end;
	324	}
	325
bc506aa5 JD	326	value = bt_value_map_get(params, "path");
bc506aa5 JD	327	if (!value \|\| bt_value_is_null(value) \|\| !bt_value_is_string(value)) {
449f71e3	328	BT_LOGE_STR("Missing mandatory \"path\" parameter.");
bc506aa5 JD	329	ret = BT_COMPONENT_STATUS_INVALID;
	330	goto error;
	331	}
	332
	333	value_ret = bt_value_string_get(value, &path);
	334	if (value_ret != BT_VALUE_STATUS_OK) {
	335	ret = BT_COMPONENT_STATUS_INVALID;
	336	goto error;
	337	}
d00b90bf	338	bt_put(value);
bc506aa5	339
9057f037	340	writer_component->base_path = g_string_new(path);
da4fc746	341	if (!writer_component->base_path) {
9057f037 JD	342	ret = BT_COMPONENT_STATUS_ERROR;
	343	goto error;
	344	}
bc506aa5	345
6ca0eb99 JD	346	writer_component->single_trace = false;
	347	ret = apply_one_bool("single-trace", params,
	348	&writer_component->single_trace, NULL);
	349	if (ret != BT_COMPONENT_STATUS_OK) {
	350	goto end;
	351	}
	352
890882ef	353	ret = bt_private_component_set_user_data(component, writer_component);
bc506aa5 JD	354	if (ret != BT_COMPONENT_STATUS_OK) {
	355	goto error;
	356	}
	357
bc506aa5 JD	358	end:
	359	return ret;
	360	error:
	361	destroy_writer_component_data(writer_component);
56fa591a	362	g_free(writer_component);
bc506aa5 JD	363	return ret;
bc506aa5 JD	364	}