[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.
 */

#include <babeltrace/ctf-ir/packet.h>
#include <babeltrace/plugin/plugin-dev.h>
#include <babeltrace/graph/component.h>
#include <babeltrace/graph/private-component.h>
#include <babeltrace/graph/component-sink.h>
#include <babeltrace/graph/private-component-sink.h>
#include <babeltrace/graph/private-port.h>
#include <babeltrace/graph/private-connection.h>
#include <babeltrace/graph/notification.h>
#include <babeltrace/graph/notification-iterator.h>
#include <babeltrace/graph/notification-event.h>
#include <babeltrace/graph/notification-packet.h>
#include <babeltrace/graph/notification-stream.h>
#include <plugins-common.h>
#include <stdio.h>
#include <stdbool.h>
#include <glib.h>
#include "writer.h"
#include <assert.h>

gboolean empty_ht(gpointer key, gpointer value, gpointer user_data)
{
	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->stream_class_map,
			empty_ht, NULL);
	g_hash_table_destroy(writer_component->stream_class_map);

	g_hash_table_foreach_remove(writer_component->stream_map,
			empty_ht, NULL);
	g_hash_table_destroy(writer_component->stream_map);

	g_hash_table_foreach_remove(writer_component->trace_map,
			empty_ht, NULL);
	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 unref_stream_class(struct bt_ctf_stream_class *writer_stream_class)
{
	bt_put(writer_stream_class);
}

static
void unref_stream(struct bt_ctf_stream_class *writer_stream)
{
	bt_put(writer_stream);
}

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");
	writer_component->processed_first_event = false;
	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);
	writer_component->stream_class_map = g_hash_table_new_full(g_direct_hash,
			g_direct_equal, NULL, (GDestroyNotify) unref_stream_class);
	writer_component->stream_map = g_hash_table_new_full(g_direct_hash,
			g_direct_equal, NULL, (GDestroyNotify) unref_stream);

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_ctf_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_ctf_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_ctf_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_ctf_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_ctf_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;
	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);
	writer->input_iterator =
		bt_private_connection_create_notification_iterator(connection,
			notif_types);

	if (!writer->input_iterator) {
		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;
}

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;
	void *priv_port;

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

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

	bt_put(priv_port);

	value = bt_value_map_get(params, "path");
	if (!value || bt_value_is_null(value) || !bt_value_is_string(value)) {
		fprintf(writer_component->err,
				"[error] output path parameter required\n");
		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) {
		ret = BT_COMPONENT_STATUS_ERROR;
		goto error;
	}

	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
	29	#include <babeltrace/ctf-ir/packet.h>
33b34c43	30	#include <babeltrace/plugin/plugin-dev.h>
b2e0c907 PP	31	#include <babeltrace/graph/component.h>
	32	#include <babeltrace/graph/private-component.h>
	33	#include <babeltrace/graph/component-sink.h>
	34	#include <babeltrace/graph/private-component-sink.h>
	35	#include <babeltrace/graph/private-port.h>
	36	#include <babeltrace/graph/private-connection.h>
	37	#include <babeltrace/graph/notification.h>
	38	#include <babeltrace/graph/notification-iterator.h>
	39	#include <babeltrace/graph/notification-event.h>
	40	#include <babeltrace/graph/notification-packet.h>
f3168545	41	#include <babeltrace/graph/notification-stream.h>
7d61fa8e	42	#include <plugins-common.h>
bc506aa5 JD	43	#include <stdio.h>
	44	#include <stdbool.h>
	45	#include <glib.h>
	46	#include "writer.h"
c70ed359	47	#include <assert.h>
bc506aa5	48
f3168545 JD	49	gboolean empty_ht(gpointer key, gpointer value, gpointer user_data)
	50	{
	51	return TRUE;
	52	}
	53
bc506aa5 JD	54	static
	55	void destroy_writer_component_data(struct writer_component *writer_component)
	56	{
c70ed359	57	bt_put(writer_component->input_iterator);
f3168545 JD	58
	59	g_hash_table_foreach_remove(writer_component->stream_class_map,
	60	empty_ht, NULL);
bc506aa5	61	g_hash_table_destroy(writer_component->stream_class_map);
f3168545 JD	62
	63	g_hash_table_foreach_remove(writer_component->stream_map,
	64	empty_ht, NULL);
	65	g_hash_table_destroy(writer_component->stream_map);
	66
	67	g_hash_table_foreach_remove(writer_component->trace_map,
	68	empty_ht, NULL);
bc506aa5	69	g_hash_table_destroy(writer_component->trace_map);
f3168545	70
9057f037 JD	71	g_string_free(writer_component->base_path, true);
9057f037 JD	72	g_string_free(writer_component->trace_name_base, true);
bc506aa5 JD	73	}
bc506aa5 JD	74
d8866baa PP	75	BT_HIDDEN
d8866baa PP	76	void writer_component_finalize(struct bt_private_component *component)
bc506aa5 JD	77	{
bc506aa5 JD	78	struct writer_component writer_component = (struct writer_component )
890882ef	79	bt_private_component_get_user_data(component);
bc506aa5 JD	80
	81	destroy_writer_component_data(writer_component);
	82	g_free(writer_component);
	83	}
	84
	85	static
	86	void unref_stream_class(struct bt_ctf_stream_class *writer_stream_class)
	87	{
9ae49d3d	88	bt_put(writer_stream_class);
bc506aa5 JD	89	}
	90
	91	static
	92	void unref_stream(struct bt_ctf_stream_class *writer_stream)
	93	{
1e0002d7	94	bt_put(writer_stream);
bc506aa5 JD	95	}
	96
	97	static
f3168545	98	void free_fs_writer(struct fs_writer *fs_writer)
bc506aa5	99	{
f3168545 JD	100	bt_put(fs_writer->writer);
f3168545 JD	101	g_free(fs_writer);
bc506aa5 JD	102	}
	103
	104	static
	105	struct writer_component *create_writer_component(void)
	106	{
	107	struct writer_component *writer_component;
	108
	109	writer_component = g_new0(struct writer_component, 1);
	110	if (!writer_component) {
	111	goto end;
	112	}
	113
	114	writer_component->err = stderr;
	115	writer_component->trace_id = 0;
9057f037	116	writer_component->trace_name_base = g_string_new("trace");
8654d306	117	writer_component->processed_first_event = false;
9057f037 JD	118	if (!writer_component->trace_name_base) {
	119	g_free(writer_component);
	120	writer_component = NULL;
	121	goto end;
	122	}
bc506aa5 JD	123
	124	/*
	125	* Reader to writer corresponding structures.
	126	*/
	127	writer_component->trace_map = g_hash_table_new_full(g_direct_hash,
f3168545	128	g_direct_equal, NULL, (GDestroyNotify) free_fs_writer);
bc506aa5 JD	129	writer_component->stream_class_map = g_hash_table_new_full(g_direct_hash,
	130	g_direct_equal, NULL, (GDestroyNotify) unref_stream_class);
	131	writer_component->stream_map = g_hash_table_new_full(g_direct_hash,
	132	g_direct_equal, NULL, (GDestroyNotify) unref_stream);
	133
	134	end:
	135	return writer_component;
	136	}
	137
	138	static
	139	enum bt_component_status handle_notification(
	140	struct writer_component *writer_component,
	141	struct bt_notification *notification)
	142	{
	143	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
	144
	145	if (!writer_component) {
	146	ret = BT_COMPONENT_STATUS_ERROR;
	147	goto end;
	148	}
	149
	150	switch (bt_notification_get_type(notification)) {
ea0e619e	151	case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
bc506aa5 JD	152	{
bc506aa5 JD	153	struct bt_ctf_packet *packet =
ea0e619e	154	bt_notification_packet_begin_get_packet(notification);
bc506aa5 JD	155
	156	if (!packet) {
	157	ret = BT_COMPONENT_STATUS_ERROR;
	158	goto end;
	159	}
	160
	161	ret = writer_new_packet(writer_component, packet);
	162	bt_put(packet);
	163	break;
	164	}
	165	case BT_NOTIFICATION_TYPE_PACKET_END:
	166	{
	167	struct bt_ctf_packet *packet =
ea0e619e	168	bt_notification_packet_end_get_packet(notification);
bc506aa5 JD	169
	170	if (!packet) {
	171	ret = BT_COMPONENT_STATUS_ERROR;
	172	goto end;
	173	}
	174	ret = writer_close_packet(writer_component, packet);
	175	bt_put(packet);
	176	break;
	177	}
	178	case BT_NOTIFICATION_TYPE_EVENT:
	179	{
	180	struct bt_ctf_event *event = bt_notification_event_get_event(
	181	notification);
	182
	183	if (!event) {
	184	ret = BT_COMPONENT_STATUS_ERROR;
	185	goto end;
	186	}
bc506aa5 JD	187	ret = writer_output_event(writer_component, event);
	188	bt_put(event);
	189	if (ret != BT_COMPONENT_STATUS_OK) {
	190	goto end;
	191	}
	192	break;
	193	}
f384901f JD	194	case BT_NOTIFICATION_TYPE_STREAM_BEGIN:
	195	{
	196	struct bt_ctf_stream *stream =
	197	bt_notification_stream_begin_get_stream(notification);
	198
	199	if (!stream) {
	200	ret = BT_COMPONENT_STATUS_ERROR;
	201	goto end;
	202	}
	203	ret = writer_stream_begin(writer_component, stream);
	204	bt_put(stream);
	205	break;
	206	}
bc506aa5	207	case BT_NOTIFICATION_TYPE_STREAM_END:
f3168545 JD	208	{
	209	struct bt_ctf_stream *stream =
	210	bt_notification_stream_end_get_stream(notification);
	211
	212	if (!stream) {
	213	ret = BT_COMPONENT_STATUS_ERROR;
	214	goto end;
	215	}
	216	ret = writer_stream_end(writer_component, stream);
	217	bt_put(stream);
bc506aa5	218	break;
f3168545	219	}
bc506aa5 JD	220	default:
	221	puts("Unhandled notification type");
	222	}
	223	end:
	224	return ret;
	225	}
	226
d8866baa	227	BT_HIDDEN
0d8b4d8e	228	void writer_component_port_connected(
890882ef	229	struct bt_private_component *component,
8f4799f7 PP	230	struct bt_private_port *self_port,
8f4799f7 PP	231	struct bt_port *other_port)
c70ed359	232	{
890882ef	233	struct bt_private_connection *connection;
c70ed359	234	struct writer_component *writer;
93fc16a5	235	static const enum bt_notification_type notif_types[] = {
f3168545	236	BT_NOTIFICATION_TYPE_EVENT,
93fc16a5 JD	237	BT_NOTIFICATION_TYPE_PACKET_BEGIN,
93fc16a5 JD	238	BT_NOTIFICATION_TYPE_PACKET_END,
f384901f	239	BT_NOTIFICATION_TYPE_STREAM_BEGIN,
f3168545	240	BT_NOTIFICATION_TYPE_STREAM_END,
93fc16a5 JD	241	BT_NOTIFICATION_TYPE_SENTINEL,
93fc16a5 JD	242	};
c70ed359	243
890882ef	244	writer = bt_private_component_get_user_data(component);
c70ed359 JG	245	assert(writer);
c70ed359 JG	246	assert(!writer->input_iterator);
890882ef	247	connection = bt_private_port_get_private_connection(self_port);
72b913fb	248	assert(connection);
fa054faf PP	249	writer->input_iterator =
fa054faf PP	250	bt_private_connection_create_notification_iterator(connection,
93fc16a5	251	notif_types);
c70ed359 JG	252
c70ed359 JG	253	if (!writer->input_iterator) {
0d8b4d8e	254	writer->error = true;
c70ed359	255	}
0d8b4d8e	256
72b913fb	257	bt_put(connection);
c70ed359 JG	258	}
c70ed359 JG	259
d8866baa PP	260	BT_HIDDEN
d8866baa PP	261	enum bt_component_status writer_run(struct bt_private_component *component)
bc506aa5 JD	262	{
	263	enum bt_component_status ret;
	264	struct bt_notification *notification = NULL;
	265	struct bt_notification_iterator *it;
	266	struct writer_component *writer_component =
890882ef	267	bt_private_component_get_user_data(component);
7cdc2bab	268	enum bt_notification_iterator_status it_ret;
bc506aa5	269
0d8b4d8e PP	270	if (unlikely(writer_component->error)) {
	271	ret = BT_COMPONENT_STATUS_ERROR;
	272	goto end;
	273	}
	274
7cdc2bab MD	275	it = writer_component->input_iterator;
	276	assert(it);
	277	it_ret = bt_notification_iterator_next(it);
bc506aa5	278
7cdc2bab MD	279	switch (it_ret) {
	280	case BT_NOTIFICATION_ITERATOR_STATUS_END:
	281	ret = BT_COMPONENT_STATUS_END;
	282	BT_PUT(writer_component->input_iterator);
	283	goto end;
	284	case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN:
	285	ret = BT_COMPONENT_STATUS_AGAIN;
	286	goto end;
	287	case BT_NOTIFICATION_ITERATOR_STATUS_OK:
	288	break;
	289	default:
72b913fb	290	ret = BT_COMPONENT_STATUS_ERROR;
996a07a1 JG	291	goto end;
	292	}
	293
7cdc2bab MD	294	notification = bt_notification_iterator_get_notification(it);
7cdc2bab MD	295	assert(notification);
bc506aa5 JD	296	ret = handle_notification(writer_component, notification);
bc506aa5 JD	297	end:
bc506aa5 JD	298	bt_put(notification);
	299	return ret;
	300	}
	301
d8866baa	302	BT_HIDDEN
bc506aa5	303	enum bt_component_status writer_component_init(
890882ef	304	struct bt_private_component component, struct bt_value params,
7d61fa8e	305	UNUSED_VAR void *init_method_data)
bc506aa5 JD	306	{
	307	enum bt_component_status ret;
	308	enum bt_value_status value_ret;
	309	struct writer_component *writer_component = create_writer_component();
	310	struct bt_value *value = NULL;
	311	const char *path;
b9d103be	312	void *priv_port;
bc506aa5 JD	313
	314	if (!writer_component) {
	315	ret = BT_COMPONENT_STATUS_NOMEM;
	316	goto end;
	317	}
	318
b9d103be PP	319	priv_port = bt_private_component_sink_add_input_private_port(component,
	320	"in", NULL);
	321	if (!priv_port) {
	322	ret = BT_COMPONENT_STATUS_NOMEM;
	323	goto end;
	324	}
	325
	326	bt_put(priv_port);
	327
bc506aa5 JD	328	value = bt_value_map_get(params, "path");
	329	if (!value \|\| bt_value_is_null(value) \|\| !bt_value_is_string(value)) {
	330	fprintf(writer_component->err,
	331	"[error] output path parameter required\n");
	332	ret = BT_COMPONENT_STATUS_INVALID;
	333	goto error;
	334	}
	335
	336	value_ret = bt_value_string_get(value, &path);
	337	if (value_ret != BT_VALUE_STATUS_OK) {
	338	ret = BT_COMPONENT_STATUS_INVALID;
	339	goto error;
	340	}
d00b90bf	341	bt_put(value);
bc506aa5	342
9057f037 JD	343	writer_component->base_path = g_string_new(path);
	344	if (!writer_component) {
	345	ret = BT_COMPONENT_STATUS_ERROR;
	346	goto error;
	347	}
bc506aa5	348
890882ef	349	ret = bt_private_component_set_user_data(component, writer_component);
bc506aa5 JD	350	if (ret != BT_COMPONENT_STATUS_OK) {
	351	goto error;
	352	}
	353
bc506aa5 JD	354	end:
	355	return ret;
	356	error:
	357	destroy_writer_component_data(writer_component);
56fa591a	358	g_free(writer_component);
bc506aa5 JD	359	return ret;
bc506aa5 JD	360	}