[babeltrace.git] / lib / graph / notification / stream.c

/*
 * Babeltrace Plug-in Stream-related Notifications
 *
 * 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 "NOTIF-STREAM"
#include <babeltrace/lib-logging-internal.h>

#include <babeltrace/compiler-internal.h>
#include <babeltrace/ctf-ir/stream-internal.h>
#include <babeltrace/graph/notification-stream-internal.h>
#include <inttypes.h>

static
void bt_notification_stream_end_destroy(struct bt_object *obj)
{
	struct bt_notification_stream_end *notification =
			(struct bt_notification_stream_end *) obj;

	BT_LOGD("Destroying stream end notification: addr=%p",
		notification);
	BT_LOGD_STR("Putting stream.");
	BT_PUT(notification->stream);
	g_free(notification);
}

struct bt_notification *bt_notification_stream_end_create(
		struct bt_ctf_stream *stream)
{
	struct bt_notification_stream_end *notification;
	struct bt_ctf_stream_class *stream_class;

	if (!stream) {
		BT_LOGW_STR("Invalid parameter: stream is NULL.");
		goto error;
	}

	stream_class = bt_ctf_stream_borrow_stream_class(stream);
	assert(stream_class);

	if (stream->pos.fd >= 0) {
		BT_LOGW("Invalid parameter: stream is a CTF writer stream: "
			"stream-addr=%p, stream-name=\"%s\", "
			"stream-class-addr=%p, stream-class-name\"%s\", "
			"stream-class-id=%" PRId64,
			stream, bt_ctf_stream_get_name(stream), stream_class,
			bt_ctf_stream_class_get_name(stream_class),
			bt_ctf_stream_class_get_id(stream_class));
		goto error;
	}

	BT_LOGD("Creating stream end notification object: "
		"stream-addr=%p, stream-name=\"%s\", "
		"stream-class-addr=%p, stream-class-name=\"%s\", "
		"stream-class-id=%" PRId64,
		stream, bt_ctf_stream_get_name(stream),
		stream_class,
		bt_ctf_stream_class_get_name(stream_class),
		bt_ctf_stream_class_get_id(stream_class));
	notification = g_new0(struct bt_notification_stream_end, 1);
	if (!notification) {
		BT_LOGE_STR("Failed to allocate one stream end notification.");
		goto error;
	}

	bt_notification_init(&notification->parent,
			BT_NOTIFICATION_TYPE_STREAM_END,
			bt_notification_stream_end_destroy);
	notification->stream = bt_get(stream);
	BT_LOGD("Created stream end notification object: "
		"stream-addr=%p, stream-name=\"%s\", "
		"stream-class-addr=%p, stream-class-name=\"%s\", "
		"stream-class-id=%" PRId64 ", addr=%p",
		stream, bt_ctf_stream_get_name(stream),
		stream_class,
		bt_ctf_stream_class_get_name(stream_class),
		bt_ctf_stream_class_get_id(stream_class), notification);
	return &notification->parent;
error:
	return NULL;
}

struct bt_ctf_stream *bt_notification_stream_end_get_stream(
		struct bt_notification *notification)
{
	struct bt_notification_stream_end *stream_end;
	struct bt_ctf_stream *stream = NULL;

	if (!notification) {
		BT_LOGW_STR("Invalid parameter: notification is NULL.");
		goto end;
	}

	if (notification->type != BT_NOTIFICATION_TYPE_STREAM_END) {
		BT_LOGW("Invalid parameter: notification is not a stream end notification: "
			"addr%p, notif-type=%s",
			notification, bt_notification_type_string(
				bt_notification_get_type(notification)));
		goto end;
	}

	stream_end = container_of(notification,
			struct bt_notification_stream_end, parent);
	stream = bt_get(stream_end->stream);

end:
	return stream;
}

static
void bt_notification_stream_begin_destroy(struct bt_object *obj)
{
	struct bt_notification_stream_begin *notification =
			(struct bt_notification_stream_begin *) obj;

	BT_LOGD("Destroying stream beginning notification: addr=%p",
		notification);
	BT_LOGD_STR("Putting stream.");
	BT_PUT(notification->stream);
	g_free(notification);
}

struct bt_notification *bt_notification_stream_begin_create(
		struct bt_ctf_stream *stream)
{
	struct bt_notification_stream_begin *notification;
	struct bt_ctf_stream_class *stream_class;

	if (!stream) {
		BT_LOGW_STR("Invalid parameter: stream is NULL.");
		goto error;
	}

	stream_class = bt_ctf_stream_borrow_stream_class(stream);
	assert(stream_class);

	if (stream->pos.fd >= 0) {
		BT_LOGW("Invalid parameter: stream is a CTF writer stream: "
			"stream-addr=%p, stream-name=\"%s\", "
			"stream-class-addr=%p, stream-class-name\"%s\", "
			"stream-class-id=%" PRId64,
			stream, bt_ctf_stream_get_name(stream), stream_class,
			bt_ctf_stream_class_get_name(stream_class),
			bt_ctf_stream_class_get_id(stream_class));
		goto error;
	}

	BT_LOGD("Creating stream beginning notification object: "
		"stream-addr=%p, stream-name=\"%s\", "
		"stream-class-addr=%p, stream-class-name=\"%s\", "
		"stream-class-id=%" PRId64,
		stream, bt_ctf_stream_get_name(stream),
		stream_class,
		bt_ctf_stream_class_get_name(stream_class),
		bt_ctf_stream_class_get_id(stream_class));
	notification = g_new0(struct bt_notification_stream_begin, 1);
	if (!notification) {
		BT_LOGE_STR("Failed to allocate one stream beginning notification.");
		goto error;
	}

	bt_notification_init(&notification->parent,
			BT_NOTIFICATION_TYPE_STREAM_BEGIN,
			bt_notification_stream_begin_destroy);
	notification->stream = bt_get(stream);
	BT_LOGD("Created stream beginning notification object: "
		"stream-addr=%p, stream-name=\"%s\", "
		"stream-class-addr=%p, stream-class-name=\"%s\", "
		"stream-class-id=%" PRId64 ", addr=%p",
		stream, bt_ctf_stream_get_name(stream),
		stream_class,
		bt_ctf_stream_class_get_name(stream_class),
		bt_ctf_stream_class_get_id(stream_class), notification);
	return &notification->parent;
error:
	return NULL;
}

struct bt_ctf_stream *bt_notification_stream_begin_get_stream(
		struct bt_notification *notification)
{
	struct bt_notification_stream_begin *stream_begin;
	struct bt_ctf_stream *stream = NULL;

	if (!notification) {
		BT_LOGW_STR("Invalid parameter: notification is NULL.");
		goto end;
	}

	if (notification->type != BT_NOTIFICATION_TYPE_STREAM_BEGIN) {
		BT_LOGW("Invalid parameter: notification is not a stream beginning notification: "
			"addr%p, notif-type=%s",
			notification, bt_notification_type_string(
				bt_notification_get_type(notification)));
		goto end;
	}

	stream_begin = container_of(notification,
			struct bt_notification_stream_begin, parent);
	stream = bt_get(stream_begin->stream);

end:
	return stream;
}
Commit	Line	Data
043e2020 JG	1	/*
	2	* Babeltrace Plug-in Stream-related Notifications
	3	*
	4	* Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
	5	*
	6	* Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
	7	*
	8	* Permission is hereby granted, free of charge, to any person obtaining a copy
	9	* of this software and associated documentation files (the "Software"), to deal
	10	* in the Software without restriction, including without limitation the rights
	11	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	12	* copies of the Software, and to permit persons to whom the Software is
	13	* furnished to do so, subject to the following conditions:
	14	*
	15	* The above copyright notice and this permission notice shall be included in
	16	* all copies or substantial portions of the Software.
	17	*
	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	20	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	21	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	22	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	23	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	24	* SOFTWARE.
	25	*/
	26
90bd5941 PP	27	#define BT_LOG_TAG "NOTIF-STREAM"
	28	#include <babeltrace/lib-logging-internal.h>
	29
3d9990ac	30	#include <babeltrace/compiler-internal.h>
3230ee6b	31	#include <babeltrace/ctf-ir/stream-internal.h>
b2e0c907	32	#include <babeltrace/graph/notification-stream-internal.h>
90bd5941	33	#include <inttypes.h>
043e2020 JG	34
	35	static
	36	void bt_notification_stream_end_destroy(struct bt_object *obj)
	37	{
	38	struct bt_notification_stream_end *notification =
	39	(struct bt_notification_stream_end *) obj;
	40
90bd5941 PP	41	BT_LOGD("Destroying stream end notification: addr=%p",
	42	notification);
	43	BT_LOGD_STR("Putting stream.");
043e2020 JG	44	BT_PUT(notification->stream);
	45	g_free(notification);
	46	}
	47
	48	struct bt_notification *bt_notification_stream_end_create(
	49	struct bt_ctf_stream *stream)
	50	{
	51	struct bt_notification_stream_end *notification;
90bd5941	52	struct bt_ctf_stream_class *stream_class;
043e2020	53
90bd5941 PP	54	if (!stream) {
90bd5941 PP	55	BT_LOGW_STR("Invalid parameter: stream is NULL.");
043e2020 JG	56	goto error;
	57	}
	58
90bd5941 PP	59	stream_class = bt_ctf_stream_borrow_stream_class(stream);
	60	assert(stream_class);
	61
	62	if (stream->pos.fd >= 0) {
	63	BT_LOGW("Invalid parameter: stream is a CTF writer stream: "
	64	"stream-addr=%p, stream-name=\"%s\", "
	65	"stream-class-addr=%p, stream-class-name\"%s\", "
	66	"stream-class-id=%" PRId64,
	67	stream, bt_ctf_stream_get_name(stream), stream_class,
	68	bt_ctf_stream_class_get_name(stream_class),
	69	bt_ctf_stream_class_get_id(stream_class));
	70	goto error;
	71	}
	72
	73	BT_LOGD("Creating stream end notification object: "
	74	"stream-addr=%p, stream-name=\"%s\", "
	75	"stream-class-addr=%p, stream-class-name=\"%s\", "
	76	"stream-class-id=%" PRId64,
	77	stream, bt_ctf_stream_get_name(stream),
	78	stream_class,
	79	bt_ctf_stream_class_get_name(stream_class),
	80	bt_ctf_stream_class_get_id(stream_class));
043e2020	81	notification = g_new0(struct bt_notification_stream_end, 1);
90bd5941 PP	82	if (!notification) {
	83	BT_LOGE_STR("Failed to allocate one stream end notification.");
	84	goto error;
	85	}
	86
043e2020 JG	87	bt_notification_init(&notification->parent,
	88	BT_NOTIFICATION_TYPE_STREAM_END,
	89	bt_notification_stream_end_destroy);
	90	notification->stream = bt_get(stream);
90bd5941 PP	91	BT_LOGD("Created stream end notification object: "
	92	"stream-addr=%p, stream-name=\"%s\", "
	93	"stream-class-addr=%p, stream-class-name=\"%s\", "
	94	"stream-class-id=%" PRId64 ", addr=%p",
	95	stream, bt_ctf_stream_get_name(stream),
	96	stream_class,
	97	bt_ctf_stream_class_get_name(stream_class),
	98	bt_ctf_stream_class_get_id(stream_class), notification);
043e2020 JG	99	return &notification->parent;
	100	error:
	101	return NULL;
	102	}
	103
90bd5941	104	struct bt_ctf_stream *bt_notification_stream_end_get_stream(
043e2020 JG	105	struct bt_notification *notification)
	106	{
	107	struct bt_notification_stream_end *stream_end;
90bd5941 PP	108	struct bt_ctf_stream *stream = NULL;
	109
	110	if (!notification) {
	111	BT_LOGW_STR("Invalid parameter: notification is NULL.");
	112	goto end;
	113	}
	114
	115	if (notification->type != BT_NOTIFICATION_TYPE_STREAM_END) {
	116	BT_LOGW("Invalid parameter: notification is not a stream end notification: "
	117	"addr%p, notif-type=%s",
	118	notification, bt_notification_type_string(
	119	bt_notification_get_type(notification)));
	120	goto end;
	121	}
043e2020 JG	122
	123	stream_end = container_of(notification,
	124	struct bt_notification_stream_end, parent);
90bd5941 PP	125	stream = bt_get(stream_end->stream);
	126
	127	end:
	128	return stream;
043e2020	129	}
3230ee6b PP	130
	131	static
	132	void bt_notification_stream_begin_destroy(struct bt_object *obj)
	133	{
	134	struct bt_notification_stream_begin *notification =
	135	(struct bt_notification_stream_begin *) obj;
	136
90bd5941 PP	137	BT_LOGD("Destroying stream beginning notification: addr=%p",
	138	notification);
	139	BT_LOGD_STR("Putting stream.");
3230ee6b PP	140	BT_PUT(notification->stream);
	141	g_free(notification);
	142	}
	143
	144	struct bt_notification *bt_notification_stream_begin_create(
	145	struct bt_ctf_stream *stream)
	146	{
	147	struct bt_notification_stream_begin *notification;
90bd5941	148	struct bt_ctf_stream_class *stream_class;
3230ee6b	149
90bd5941 PP	150	if (!stream) {
90bd5941 PP	151	BT_LOGW_STR("Invalid parameter: stream is NULL.");
3230ee6b PP	152	goto error;
	153	}
	154
90bd5941 PP	155	stream_class = bt_ctf_stream_borrow_stream_class(stream);
	156	assert(stream_class);
	157
	158	if (stream->pos.fd >= 0) {
	159	BT_LOGW("Invalid parameter: stream is a CTF writer stream: "
	160	"stream-addr=%p, stream-name=\"%s\", "
	161	"stream-class-addr=%p, stream-class-name\"%s\", "
	162	"stream-class-id=%" PRId64,
	163	stream, bt_ctf_stream_get_name(stream), stream_class,
	164	bt_ctf_stream_class_get_name(stream_class),
	165	bt_ctf_stream_class_get_id(stream_class));
	166	goto error;
	167	}
	168
	169	BT_LOGD("Creating stream beginning notification object: "
	170	"stream-addr=%p, stream-name=\"%s\", "
	171	"stream-class-addr=%p, stream-class-name=\"%s\", "
	172	"stream-class-id=%" PRId64,
	173	stream, bt_ctf_stream_get_name(stream),
	174	stream_class,
	175	bt_ctf_stream_class_get_name(stream_class),
	176	bt_ctf_stream_class_get_id(stream_class));
3230ee6b	177	notification = g_new0(struct bt_notification_stream_begin, 1);
90bd5941 PP	178	if (!notification) {
	179	BT_LOGE_STR("Failed to allocate one stream beginning notification.");
	180	goto error;
	181	}
	182
3230ee6b PP	183	bt_notification_init(&notification->parent,
	184	BT_NOTIFICATION_TYPE_STREAM_BEGIN,
	185	bt_notification_stream_begin_destroy);
	186	notification->stream = bt_get(stream);
90bd5941 PP	187	BT_LOGD("Created stream beginning notification object: "
	188	"stream-addr=%p, stream-name=\"%s\", "
	189	"stream-class-addr=%p, stream-class-name=\"%s\", "
	190	"stream-class-id=%" PRId64 ", addr=%p",
	191	stream, bt_ctf_stream_get_name(stream),
	192	stream_class,
	193	bt_ctf_stream_class_get_name(stream_class),
	194	bt_ctf_stream_class_get_id(stream_class), notification);
3230ee6b PP	195	return &notification->parent;
	196	error:
	197	return NULL;
	198	}
	199
90bd5941	200	struct bt_ctf_stream *bt_notification_stream_begin_get_stream(
3230ee6b PP	201	struct bt_notification *notification)
	202	{
	203	struct bt_notification_stream_begin *stream_begin;
90bd5941 PP	204	struct bt_ctf_stream *stream = NULL;
	205
	206	if (!notification) {
	207	BT_LOGW_STR("Invalid parameter: notification is NULL.");
	208	goto end;
	209	}
	210
	211	if (notification->type != BT_NOTIFICATION_TYPE_STREAM_BEGIN) {
	212	BT_LOGW("Invalid parameter: notification is not a stream beginning notification: "
	213	"addr%p, notif-type=%s",
	214	notification, bt_notification_type_string(
	215	bt_notification_get_type(notification)));
	216	goto end;
	217	}
3230ee6b PP	218
	219	stream_begin = container_of(notification,
	220	struct bt_notification_stream_begin, parent);
90bd5941 PP	221	stream = bt_get(stream_begin->stream);
	222
	223	end:
	224	return stream;
3230ee6b	225	}