[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/ctf-ir/packet.h>
#include <babeltrace/plugin/plugin-dev.h>
#include <babeltrace/graph/connection.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>

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_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;
	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
bc506aa5	32	#include <babeltrace/ctf-ir/packet.h>
33b34c43	33	#include <babeltrace/plugin/plugin-dev.h>
73d5c1ad	34	#include <babeltrace/graph/connection.h>
b2e0c907 PP	35	#include <babeltrace/graph/component.h>
	36	#include <babeltrace/graph/private-component.h>
	37	#include <babeltrace/graph/component-sink.h>
	38	#include <babeltrace/graph/private-component-sink.h>
	39	#include <babeltrace/graph/private-port.h>
	40	#include <babeltrace/graph/private-connection.h>
	41	#include <babeltrace/graph/notification.h>
	42	#include <babeltrace/graph/notification-iterator.h>
	43	#include <babeltrace/graph/notification-event.h>
	44	#include <babeltrace/graph/notification-packet.h>
f3168545	45	#include <babeltrace/graph/notification-stream.h>
7d61fa8e	46	#include <plugins-common.h>
bc506aa5 JD	47	#include <stdio.h>
	48	#include <stdbool.h>
	49	#include <glib.h>
	50	#include "writer.h"
c70ed359	51	#include <assert.h>
bc506aa5	52
1c78e839	53	static
a619fcb7	54	gboolean empty_trace_map(gpointer key, gpointer value, gpointer user_data)
f3168545	55	{
a619fcb7 JD	56	struct fs_writer *fs_writer = value;
	57	struct writer_component *writer_component = user_data;
	58
3b41eaba	59	fs_writer->trace_static = 1;
a619fcb7 JD	60	writer_close(writer_component, fs_writer);
a619fcb7 JD	61
f3168545 JD	62	return TRUE;
	63	}
	64
bc506aa5 JD	65	static
	66	void destroy_writer_component_data(struct writer_component *writer_component)
	67	{
c70ed359	68	bt_put(writer_component->input_iterator);
f3168545	69
f3168545	70	g_hash_table_foreach_remove(writer_component->trace_map,
a619fcb7	71	empty_trace_map, writer_component);
bc506aa5	72	g_hash_table_destroy(writer_component->trace_map);
f3168545	73
9057f037 JD	74	g_string_free(writer_component->base_path, true);
9057f037 JD	75	g_string_free(writer_component->trace_name_base, true);
bc506aa5 JD	76	}
bc506aa5 JD	77
d8866baa PP	78	BT_HIDDEN
d8866baa PP	79	void writer_component_finalize(struct bt_private_component *component)
bc506aa5 JD	80	{
bc506aa5 JD	81	struct writer_component writer_component = (struct writer_component )
890882ef	82	bt_private_component_get_user_data(component);
bc506aa5 JD	83
	84	destroy_writer_component_data(writer_component);
	85	g_free(writer_component);
	86	}
	87
bc506aa5	88	static
f3168545	89	void free_fs_writer(struct fs_writer *fs_writer)
bc506aa5	90	{
f3168545 JD	91	bt_put(fs_writer->writer);
f3168545 JD	92	g_free(fs_writer);
bc506aa5 JD	93	}
	94
	95	static
	96	struct writer_component *create_writer_component(void)
	97	{
	98	struct writer_component *writer_component;
	99
	100	writer_component = g_new0(struct writer_component, 1);
	101	if (!writer_component) {
	102	goto end;
	103	}
	104
	105	writer_component->err = stderr;
	106	writer_component->trace_id = 0;
9057f037 JD	107	writer_component->trace_name_base = g_string_new("trace");
	108	if (!writer_component->trace_name_base) {
	109	g_free(writer_component);
	110	writer_component = NULL;
	111	goto end;
	112	}
bc506aa5 JD	113
	114	/*
	115	* Reader to writer corresponding structures.
	116	*/
	117	writer_component->trace_map = g_hash_table_new_full(g_direct_hash,
f3168545	118	g_direct_equal, NULL, (GDestroyNotify) free_fs_writer);
bc506aa5 JD	119
	120	end:
	121	return writer_component;
	122	}
	123
	124	static
	125	enum bt_component_status handle_notification(
	126	struct writer_component *writer_component,
	127	struct bt_notification *notification)
	128	{
	129	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
	130
	131	if (!writer_component) {
	132	ret = BT_COMPONENT_STATUS_ERROR;
	133	goto end;
	134	}
	135
	136	switch (bt_notification_get_type(notification)) {
ea0e619e	137	case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
bc506aa5 JD	138	{
bc506aa5 JD	139	struct bt_ctf_packet *packet =
ea0e619e	140	bt_notification_packet_begin_get_packet(notification);
bc506aa5 JD	141
	142	if (!packet) {
	143	ret = BT_COMPONENT_STATUS_ERROR;
	144	goto end;
	145	}
	146
	147	ret = writer_new_packet(writer_component, packet);
	148	bt_put(packet);
	149	break;
	150	}
	151	case BT_NOTIFICATION_TYPE_PACKET_END:
	152	{
	153	struct bt_ctf_packet *packet =
ea0e619e	154	bt_notification_packet_end_get_packet(notification);
bc506aa5 JD	155
	156	if (!packet) {
	157	ret = BT_COMPONENT_STATUS_ERROR;
	158	goto end;
	159	}
	160	ret = writer_close_packet(writer_component, packet);
	161	bt_put(packet);
	162	break;
	163	}
	164	case BT_NOTIFICATION_TYPE_EVENT:
	165	{
	166	struct bt_ctf_event *event = bt_notification_event_get_event(
	167	notification);
	168
	169	if (!event) {
	170	ret = BT_COMPONENT_STATUS_ERROR;
	171	goto end;
	172	}
bc506aa5 JD	173	ret = writer_output_event(writer_component, event);
	174	bt_put(event);
	175	if (ret != BT_COMPONENT_STATUS_OK) {
	176	goto end;
	177	}
	178	break;
	179	}
f384901f JD	180	case BT_NOTIFICATION_TYPE_STREAM_BEGIN:
	181	{
	182	struct bt_ctf_stream *stream =
	183	bt_notification_stream_begin_get_stream(notification);
	184
	185	if (!stream) {
	186	ret = BT_COMPONENT_STATUS_ERROR;
	187	goto end;
	188	}
	189	ret = writer_stream_begin(writer_component, stream);
	190	bt_put(stream);
	191	break;
	192	}
bc506aa5	193	case BT_NOTIFICATION_TYPE_STREAM_END:
f3168545 JD	194	{
	195	struct bt_ctf_stream *stream =
	196	bt_notification_stream_end_get_stream(notification);
	197
	198	if (!stream) {
	199	ret = BT_COMPONENT_STATUS_ERROR;
	200	goto end;
	201	}
	202	ret = writer_stream_end(writer_component, stream);
	203	bt_put(stream);
bc506aa5	204	break;
f3168545	205	}
bc506aa5 JD	206	default:
	207	puts("Unhandled notification type");
	208	}
	209	end:
	210	return ret;
	211	}
	212
d8866baa	213	BT_HIDDEN
0d8b4d8e	214	void writer_component_port_connected(
890882ef	215	struct bt_private_component *component,
8f4799f7 PP	216	struct bt_private_port *self_port,
8f4799f7 PP	217	struct bt_port *other_port)
c70ed359	218	{
890882ef	219	struct bt_private_connection *connection;
c70ed359	220	struct writer_component *writer;
73d5c1ad	221	enum bt_connection_status conn_status;
93fc16a5	222	static const enum bt_notification_type notif_types[] = {
f3168545	223	BT_NOTIFICATION_TYPE_EVENT,
93fc16a5 JD	224	BT_NOTIFICATION_TYPE_PACKET_BEGIN,
93fc16a5 JD	225	BT_NOTIFICATION_TYPE_PACKET_END,
f384901f	226	BT_NOTIFICATION_TYPE_STREAM_BEGIN,
f3168545	227	BT_NOTIFICATION_TYPE_STREAM_END,
93fc16a5 JD	228	BT_NOTIFICATION_TYPE_SENTINEL,
93fc16a5 JD	229	};
c70ed359	230
890882ef	231	writer = bt_private_component_get_user_data(component);
c70ed359 JG	232	assert(writer);
c70ed359 JG	233	assert(!writer->input_iterator);
890882ef	234	connection = bt_private_port_get_private_connection(self_port);
72b913fb	235	assert(connection);
73d5c1ad PP	236	conn_status = bt_private_connection_create_notification_iterator(
	237	connection, notif_types, &writer->input_iterator);
	238	if (conn_status != BT_CONNECTION_STATUS_OK) {
0d8b4d8e	239	writer->error = true;
c70ed359	240	}
0d8b4d8e	241
72b913fb	242	bt_put(connection);
c70ed359 JG	243	}
c70ed359 JG	244
d8866baa PP	245	BT_HIDDEN
d8866baa PP	246	enum bt_component_status writer_run(struct bt_private_component *component)
bc506aa5 JD	247	{
	248	enum bt_component_status ret;
	249	struct bt_notification *notification = NULL;
	250	struct bt_notification_iterator *it;
	251	struct writer_component *writer_component =
890882ef	252	bt_private_component_get_user_data(component);
7cdc2bab	253	enum bt_notification_iterator_status it_ret;
bc506aa5	254
0d8b4d8e PP	255	if (unlikely(writer_component->error)) {
	256	ret = BT_COMPONENT_STATUS_ERROR;
	257	goto end;
	258	}
	259
7cdc2bab MD	260	it = writer_component->input_iterator;
	261	assert(it);
	262	it_ret = bt_notification_iterator_next(it);
bc506aa5	263
7cdc2bab MD	264	switch (it_ret) {
	265	case BT_NOTIFICATION_ITERATOR_STATUS_END:
	266	ret = BT_COMPONENT_STATUS_END;
	267	BT_PUT(writer_component->input_iterator);
	268	goto end;
	269	case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN:
	270	ret = BT_COMPONENT_STATUS_AGAIN;
	271	goto end;
	272	case BT_NOTIFICATION_ITERATOR_STATUS_OK:
	273	break;
	274	default:
72b913fb	275	ret = BT_COMPONENT_STATUS_ERROR;
996a07a1 JG	276	goto end;
	277	}
	278
7cdc2bab MD	279	notification = bt_notification_iterator_get_notification(it);
7cdc2bab MD	280	assert(notification);
bc506aa5 JD	281	ret = handle_notification(writer_component, notification);
bc506aa5 JD	282	end:
bc506aa5 JD	283	bt_put(notification);
	284	return ret;
	285	}
	286
6ca0eb99 JD	287	static
	288	enum bt_component_status apply_one_bool(const char *key,
	289	struct bt_value *params,
	290	bool *option,
	291	bool *found)
	292	{
	293	enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
	294	struct bt_value *value = NULL;
	295	enum bt_value_status status;
	296	bt_bool bool_val;
	297
	298	value = bt_value_map_get(params, key);
	299	if (!value) {
	300	goto end;
	301	}
	302	status = bt_value_bool_get(value, &bool_val);
802af08e	303	if (status != BT_VALUE_STATUS_OK) {
6ca0eb99 JD	304	ret = BT_COMPONENT_STATUS_ERROR;
	305	goto end;
	306	}
802af08e	307
6ca0eb99 JD	308	*option = (bool) bool_val;
	309	if (found) {
	310	*found = true;
	311	}
	312	end:
	313	bt_put(value);
	314	return ret;
	315	}
	316
d8866baa	317	BT_HIDDEN
bc506aa5	318	enum bt_component_status writer_component_init(
890882ef	319	struct bt_private_component component, struct bt_value params,
7d61fa8e	320	UNUSED_VAR void *init_method_data)
bc506aa5 JD	321	{
	322	enum bt_component_status ret;
	323	enum bt_value_status value_ret;
	324	struct writer_component *writer_component = create_writer_component();
	325	struct bt_value *value = NULL;
	326	const char *path;
	327
	328	if (!writer_component) {
	329	ret = BT_COMPONENT_STATUS_NOMEM;
	330	goto end;
	331	}
	332
147337a3 PP	333	ret = bt_private_component_sink_add_input_private_port(component,
	334	"in", NULL, NULL);
	335	if (ret != BT_COMPONENT_STATUS_OK) {
b9d103be PP	336	goto end;
	337	}
	338
bc506aa5 JD	339	value = bt_value_map_get(params, "path");
bc506aa5 JD	340	if (!value \|\| bt_value_is_null(value) \|\| !bt_value_is_string(value)) {
449f71e3	341	BT_LOGE_STR("Missing mandatory \"path\" parameter.");
bc506aa5 JD	342	ret = BT_COMPONENT_STATUS_INVALID;
	343	goto error;
	344	}
	345
	346	value_ret = bt_value_string_get(value, &path);
	347	if (value_ret != BT_VALUE_STATUS_OK) {
	348	ret = BT_COMPONENT_STATUS_INVALID;
	349	goto error;
	350	}
d00b90bf	351	bt_put(value);
bc506aa5	352
9057f037	353	writer_component->base_path = g_string_new(path);
da4fc746	354	if (!writer_component->base_path) {
9057f037 JD	355	ret = BT_COMPONENT_STATUS_ERROR;
	356	goto error;
	357	}
bc506aa5	358
6ca0eb99 JD	359	writer_component->single_trace = false;
	360	ret = apply_one_bool("single-trace", params,
	361	&writer_component->single_trace, NULL);
	362	if (ret != BT_COMPONENT_STATUS_OK) {
	363	goto end;
	364	}
	365
890882ef	366	ret = bt_private_component_set_user_data(component, writer_component);
bc506aa5 JD	367	if (ret != BT_COMPONENT_STATUS_OK) {
	368	goto error;
	369	}
	370
bc506aa5 JD	371	end:
	372	return ret;
	373	error:
	374	destroy_writer_component_data(writer_component);
56fa591a	375	g_free(writer_component);
bc506aa5 JD	376	return ret;
bc506aa5 JD	377	}