2 * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #define BT_LOG_TAG "PLUGIN-UTILS-MUXER-FLT"
26 #include <babeltrace/babeltrace-internal.h>
27 #include <babeltrace/compat/uuid-internal.h>
28 #include <babeltrace/babeltrace.h>
29 #include <babeltrace/values-internal.h>
30 #include <babeltrace/graph/component-internal.h>
31 #include <babeltrace/graph/notification-iterator-internal.h>
32 #include <babeltrace/graph/connection-internal.h>
33 #include <plugins-common.h>
37 #include <babeltrace/assert-internal.h>
38 #include <babeltrace/common-internal.h>
42 #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes"
47 * bt_private_connection_private_notification_iterator *
50 GPtrArray
*muxer_notif_iters
;
53 struct bt_private_component
*priv_comp
;
54 unsigned int next_port_num
;
55 size_t available_input_ports
;
56 bool initializing_muxer_notif_iter
;
57 bool assume_absolute_clock_classes
;
60 struct muxer_upstream_notif_iter
{
61 /* Owned by this, NULL if ended */
62 struct bt_notification_iterator
*notif_iter
;
64 /* Contains `struct bt_notification *`, owned by this */
68 enum muxer_notif_iter_clock_class_expectation
{
69 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY
= 0,
70 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
,
71 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
,
72 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
,
75 struct muxer_notif_iter
{
77 * Array of struct muxer_upstream_notif_iter * (owned by this).
79 * NOTE: This array is searched in linearly to find the youngest
80 * current notification. Keep this until benchmarks confirm that
81 * another data structure is faster than this for our typical
84 GPtrArray
*muxer_upstream_notif_iters
;
87 * List of "recently" connected input ports (weak) to
88 * handle by this muxer notification iterator.
89 * muxer_port_connected() adds entries to this list, and the
90 * entries are removed when a notification iterator is created
91 * on the port's connection and put into
92 * muxer_upstream_notif_iters above by
93 * muxer_notif_iter_handle_newly_connected_ports().
95 GList
*newly_connected_priv_ports
;
97 /* Last time returned in a notification */
98 int64_t last_returned_ts_ns
;
100 /* Clock class expectation state */
101 enum muxer_notif_iter_clock_class_expectation clock_class_expectation
;
104 * Expected clock class UUID, only valid when
105 * clock_class_expectation is
106 * MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID.
108 unsigned char expected_clock_class_uuid
[BABELTRACE_UUID_LEN
];
112 void destroy_muxer_upstream_notif_iter(
113 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
)
115 if (!muxer_upstream_notif_iter
) {
119 BT_LOGD("Destroying muxer's upstream notification iterator wrapper: "
120 "addr=%p, notif-iter-addr=%p, queue-len=%u",
121 muxer_upstream_notif_iter
,
122 muxer_upstream_notif_iter
->notif_iter
,
123 muxer_upstream_notif_iter
->notifs
->length
);
124 bt_object_put_ref(muxer_upstream_notif_iter
->notif_iter
);
126 if (muxer_upstream_notif_iter
->notifs
) {
127 struct bt_notification
*notif
;
129 while ((notif
= g_queue_pop_head(
130 muxer_upstream_notif_iter
->notifs
))) {
131 bt_object_put_ref(notif
);
134 g_queue_free(muxer_upstream_notif_iter
->notifs
);
137 g_free(muxer_upstream_notif_iter
);
141 struct muxer_upstream_notif_iter
*muxer_notif_iter_add_upstream_notif_iter(
142 struct muxer_notif_iter
*muxer_notif_iter
,
143 struct bt_notification_iterator
*notif_iter
,
144 struct bt_private_port
*priv_port
)
146 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
=
147 g_new0(struct muxer_upstream_notif_iter
, 1);
149 if (!muxer_upstream_notif_iter
) {
150 BT_LOGE_STR("Failed to allocate one muxer's upstream notification iterator wrapper.");
154 muxer_upstream_notif_iter
->notif_iter
= bt_object_get_ref(notif_iter
);
155 muxer_upstream_notif_iter
->notifs
= g_queue_new();
156 if (!muxer_upstream_notif_iter
->notifs
) {
157 BT_LOGE_STR("Failed to allocate a GQueue.");
162 g_ptr_array_add(muxer_notif_iter
->muxer_upstream_notif_iters
,
163 muxer_upstream_notif_iter
);
164 BT_LOGD("Added muxer's upstream notification iterator wrapper: "
165 "addr=%p, muxer-notif-iter-addr=%p, notif-iter-addr=%p",
166 muxer_upstream_notif_iter
, muxer_notif_iter
,
170 return muxer_upstream_notif_iter
;
174 enum bt_component_status
ensure_available_input_port(
175 struct bt_private_component
*priv_comp
)
177 struct muxer_comp
*muxer_comp
=
178 bt_private_component_get_user_data(priv_comp
);
179 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
180 GString
*port_name
= NULL
;
182 BT_ASSERT(muxer_comp
);
184 if (muxer_comp
->available_input_ports
>= 1) {
188 port_name
= g_string_new("in");
190 BT_LOGE_STR("Failed to allocate a GString.");
191 status
= BT_COMPONENT_STATUS_NOMEM
;
195 g_string_append_printf(port_name
, "%u", muxer_comp
->next_port_num
);
196 status
= bt_private_component_filter_add_input_port(
197 priv_comp
, port_name
->str
, NULL
, NULL
);
198 if (status
!= BT_COMPONENT_STATUS_OK
) {
199 BT_LOGE("Cannot add input port to muxer component: "
200 "port-name=\"%s\", comp-addr=%p, status=%s",
201 port_name
->str
, priv_comp
,
202 bt_component_status_string(status
));
206 muxer_comp
->available_input_ports
++;
207 muxer_comp
->next_port_num
++;
208 BT_LOGD("Added one input port to muxer component: "
209 "port-name=\"%s\", comp-addr=%p",
210 port_name
->str
, priv_comp
);
213 g_string_free(port_name
, TRUE
);
220 enum bt_component_status
create_output_port(
221 struct bt_private_component
*priv_comp
)
223 return bt_private_component_filter_add_output_port(
224 priv_comp
, "out", NULL
, NULL
);
228 void destroy_muxer_comp(struct muxer_comp
*muxer_comp
)
234 BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, "
235 "muxer-notif-iter-count=%u", muxer_comp
,
236 muxer_comp
->muxer_notif_iters
?
237 muxer_comp
->muxer_notif_iters
->len
: 0);
239 if (muxer_comp
->muxer_notif_iters
) {
240 g_ptr_array_free(muxer_comp
->muxer_notif_iters
, TRUE
);
247 struct bt_private_value
*get_default_params(void)
249 struct bt_private_value
*params
;
252 params
= bt_private_value_map_create();
254 BT_LOGE_STR("Cannot create a map value object.");
258 ret
= bt_private_value_map_insert_bool_entry(params
,
259 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, false);
261 BT_LOGE_STR("Cannot add boolean value to map value object.");
268 BT_OBJECT_PUT_REF_AND_RESET(params
);
275 int configure_muxer_comp(struct muxer_comp
*muxer_comp
, struct bt_value
*params
)
277 struct bt_private_value
*default_params
= NULL
;
278 struct bt_private_value
*real_params
= NULL
;
279 struct bt_value
*assume_absolute_clock_classes
= NULL
;
283 default_params
= get_default_params();
284 if (!default_params
) {
285 BT_LOGE("Cannot get default parameters: "
286 "muxer-comp-addr=%p", muxer_comp
);
290 ret
= bt_value_map_extend(&real_params
,
291 bt_value_borrow_from_private(default_params
), params
);
293 BT_LOGE("Cannot extend default parameters map value: "
294 "muxer-comp-addr=%p, def-params-addr=%p, "
295 "params-addr=%p", muxer_comp
, default_params
,
300 assume_absolute_clock_classes
= bt_value_map_borrow_entry_value(
301 bt_value_borrow_from_private(real_params
),
302 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
);
303 if (assume_absolute_clock_classes
&&
304 !bt_value_is_bool(assume_absolute_clock_classes
)) {
305 BT_LOGE("Expecting a boolean value for the `%s` parameter: "
306 "muxer-comp-addr=%p, value-type=%s",
307 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, muxer_comp
,
308 bt_common_value_type_string(
309 bt_value_get_type(assume_absolute_clock_classes
)));
313 bool_val
= bt_value_bool_get(assume_absolute_clock_classes
);
314 muxer_comp
->assume_absolute_clock_classes
= (bool) bool_val
;
315 BT_LOGD("Configured muxer component: muxer-comp-addr=%p, "
316 "assume-absolute-clock-classes=%d",
317 muxer_comp
, muxer_comp
->assume_absolute_clock_classes
);
324 bt_object_put_ref(default_params
);
325 bt_object_put_ref(real_params
);
330 enum bt_component_status
muxer_init(
331 struct bt_private_component
*priv_comp
,
332 struct bt_value
*params
, void *init_data
)
335 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
336 struct muxer_comp
*muxer_comp
= g_new0(struct muxer_comp
, 1);
338 BT_LOGD("Initializing muxer component: "
339 "comp-addr=%p, params-addr=%p", priv_comp
, params
);
342 BT_LOGE_STR("Failed to allocate one muxer component.");
346 ret
= configure_muxer_comp(muxer_comp
, params
);
348 BT_LOGE("Cannot configure muxer component: "
349 "muxer-comp-addr=%p, params-addr=%p",
354 muxer_comp
->muxer_notif_iters
= g_ptr_array_new();
355 if (!muxer_comp
->muxer_notif_iters
) {
356 BT_LOGE_STR("Failed to allocate a GPtrArray.");
360 muxer_comp
->priv_comp
= priv_comp
;
361 ret
= bt_private_component_set_user_data(priv_comp
, muxer_comp
);
363 status
= ensure_available_input_port(priv_comp
);
364 if (status
!= BT_COMPONENT_STATUS_OK
) {
365 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
366 "muxer-comp-addr=%p, status=%s",
368 bt_component_status_string(status
));
372 status
= create_output_port(priv_comp
);
374 BT_LOGE("Cannot create muxer component's output port: "
375 "muxer-comp-addr=%p, status=%s",
377 bt_component_status_string(status
));
381 BT_LOGD("Initialized muxer component: "
382 "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
383 priv_comp
, params
, muxer_comp
);
388 destroy_muxer_comp(muxer_comp
);
389 ret
= bt_private_component_set_user_data(priv_comp
, NULL
);
392 if (status
== BT_COMPONENT_STATUS_OK
) {
393 status
= BT_COMPONENT_STATUS_ERROR
;
401 void muxer_finalize(struct bt_private_component
*priv_comp
)
403 struct muxer_comp
*muxer_comp
=
404 bt_private_component_get_user_data(priv_comp
);
406 BT_LOGD("Finalizing muxer component: comp-addr=%p",
408 destroy_muxer_comp(muxer_comp
);
412 struct bt_notification_iterator
*create_notif_iter_on_input_port(
413 struct bt_private_port
*priv_port
, int *ret
)
415 struct bt_port
*port
= bt_port_borrow_from_private(priv_port
);
416 struct bt_notification_iterator
*notif_iter
= NULL
;
417 struct bt_private_connection
*priv_conn
= NULL
;
418 enum bt_connection_status conn_status
;
423 BT_ASSERT(bt_port_is_connected(port
));
424 priv_conn
= bt_private_port_get_connection(priv_port
);
425 BT_ASSERT(priv_conn
);
427 // TODO: Advance the iterator to >= the time of the latest
428 // returned notification by the muxer notification
429 // iterator which creates it.
430 conn_status
= bt_private_connection_create_notification_iterator(
431 priv_conn
, ¬if_iter
);
432 if (conn_status
!= BT_CONNECTION_STATUS_OK
) {
433 BT_LOGE("Cannot create upstream notification iterator on input port's connection: "
434 "port-addr=%p, port-name=\"%s\", conn-addr=%p, "
436 port
, bt_port_get_name(port
), priv_conn
,
437 bt_connection_status_string(conn_status
));
442 BT_LOGD("Created upstream notification iterator on input port's connection: "
443 "port-addr=%p, port-name=\"%s\", conn-addr=%p, "
444 "notif-iter-addr=%p",
445 port
, bt_port_get_name(port
), priv_conn
, notif_iter
);
448 bt_object_put_ref(priv_conn
);
453 enum bt_notification_iterator_status
muxer_upstream_notif_iter_next(
454 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
)
456 enum bt_notification_iterator_status status
;
457 bt_notification_array notifs
;
461 BT_LOGV("Calling upstream notification iterator's \"next\" method: "
462 "muxer-upstream-notif-iter-wrap-addr=%p, notif-iter-addr=%p",
463 muxer_upstream_notif_iter
,
464 muxer_upstream_notif_iter
->notif_iter
);
465 status
= bt_private_connection_notification_iterator_next(
466 muxer_upstream_notif_iter
->notif_iter
, ¬ifs
, &count
);
467 BT_LOGV("Upstream notification iterator's \"next\" method returned: "
468 "status=%s", bt_notification_iterator_status_string(status
));
471 case BT_NOTIFICATION_ITERATOR_STATUS_OK
:
473 * Notification iterator's current notification is
474 * valid: it must be considered for muxing operations.
476 BT_LOGV_STR("Validated upstream notification iterator wrapper.");
477 BT_ASSERT(count
> 0);
479 /* Move notifications to our queue */
480 for (i
= 0; i
< count
; i
++) {
482 * Push to tail in order; other side
483 * (muxer_notif_iter_do_next_one()) consumes
484 * from the head first.
486 g_queue_push_tail(muxer_upstream_notif_iter
->notifs
,
490 case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN
:
492 * Notification iterator's current notification is not
493 * valid anymore. Return
494 * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN immediately.
497 case BT_NOTIFICATION_ITERATOR_STATUS_END
: /* Fall-through. */
498 case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED
:
500 * Notification iterator reached the end: release it. It
501 * won't be considered again to find the youngest
504 BT_OBJECT_PUT_REF_AND_RESET(muxer_upstream_notif_iter
->notif_iter
);
505 status
= BT_NOTIFICATION_ITERATOR_STATUS_OK
;
508 /* Error or unsupported status code */
509 BT_LOGE("Error or unsupported status code: "
510 "status-code=%d", status
);
511 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
519 int muxer_notif_iter_handle_newly_connected_ports(
520 struct muxer_notif_iter
*muxer_notif_iter
)
524 BT_LOGV("Handling newly connected ports: "
525 "muxer-notif-iter-addr=%p", muxer_notif_iter
);
528 * Here we create one upstream notification iterator for each
529 * newly connected port. We do NOT perform an initial "next" on
530 * those new upstream notification iterators: they are
531 * invalidated, to be validated later. The list of newly
532 * connected ports to handle here is updated by
533 * muxer_port_connected().
536 GList
*node
= muxer_notif_iter
->newly_connected_priv_ports
;
537 struct bt_private_port
*priv_port
;
538 struct bt_port
*port
;
539 struct bt_notification_iterator
*upstream_notif_iter
= NULL
;
540 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
;
546 priv_port
= node
->data
;
547 port
= bt_port_borrow_from_private(priv_port
);
550 if (!bt_port_is_connected(port
)) {
552 * Looks like this port is not connected
553 * anymore: we can't create an upstream
554 * notification iterator on its (non-existing)
555 * connection in this case.
560 upstream_notif_iter
= create_notif_iter_on_input_port(priv_port
,
563 /* create_notif_iter_on_input_port() logs errors */
564 BT_ASSERT(!upstream_notif_iter
);
568 muxer_upstream_notif_iter
=
569 muxer_notif_iter_add_upstream_notif_iter(
570 muxer_notif_iter
, upstream_notif_iter
,
572 BT_OBJECT_PUT_REF_AND_RESET(upstream_notif_iter
);
573 if (!muxer_upstream_notif_iter
) {
575 * muxer_notif_iter_add_upstream_notif_iter()
582 bt_object_put_ref(upstream_notif_iter
);
583 muxer_notif_iter
->newly_connected_priv_ports
=
585 muxer_notif_iter
->newly_connected_priv_ports
,
601 int get_notif_ts_ns(struct muxer_comp
*muxer_comp
,
602 struct muxer_notif_iter
*muxer_notif_iter
,
603 struct bt_notification
*notif
, int64_t last_returned_ts_ns
,
606 struct bt_clock_class
*clock_class
= NULL
;
607 struct bt_clock_value
*clock_value
= NULL
;
608 struct bt_event
*event
= NULL
;
610 const unsigned char *cc_uuid
;
612 enum bt_clock_value_status cv_status
= BT_CLOCK_VALUE_STATUS_KNOWN
;
617 BT_LOGV("Getting notification's timestamp: "
618 "muxer-notif-iter-addr=%p, notif-addr=%p, "
619 "last-returned-ts=%" PRId64
,
620 muxer_notif_iter
, notif
, last_returned_ts_ns
);
622 switch (bt_notification_get_type(notif
)) {
623 case BT_NOTIFICATION_TYPE_EVENT
:
624 event
= bt_notification_event_borrow_event(notif
);
626 cv_status
= bt_event_borrow_default_clock_value(event
,
630 case BT_NOTIFICATION_TYPE_INACTIVITY
:
632 bt_notification_inactivity_borrow_default_clock_value(
636 /* All the other notifications have a higher priority */
637 BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp.");
638 *ts_ns
= last_returned_ts_ns
;
642 if (cv_status
!= BT_CLOCK_VALUE_STATUS_KNOWN
) {
643 BT_LOGE_STR("Unsupported unknown clock value.");
649 * If the clock value is missing, then we consider that this
650 * notification has no time. In this case it's always the
654 BT_LOGV_STR("Notification's default clock value is missing: "
655 "using the last returned timestamp.");
656 *ts_ns
= last_returned_ts_ns
;
660 clock_class
= bt_clock_value_borrow_clock_class(clock_value
);
661 BT_ASSERT(clock_class
);
662 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
663 cc_name
= bt_clock_class_get_name(clock_class
);
665 if (muxer_notif_iter
->clock_class_expectation
==
666 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
668 * This is the first clock class that this muxer
669 * notification iterator encounters. Its properties
670 * determine what to expect for the whole lifetime of
671 * the iterator without a true
672 * `assume-absolute-clock-classes` parameter.
674 if (bt_clock_class_is_absolute(clock_class
)) {
675 /* Expect absolute clock classes */
676 muxer_notif_iter
->clock_class_expectation
=
677 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
681 * Expect non-absolute clock classes
682 * with a specific UUID.
684 muxer_notif_iter
->clock_class_expectation
=
685 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
686 memcpy(muxer_notif_iter
->expected_clock_class_uuid
,
687 cc_uuid
, BABELTRACE_UUID_LEN
);
690 * Expect non-absolute clock classes
693 muxer_notif_iter
->clock_class_expectation
=
694 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
699 if (!muxer_comp
->assume_absolute_clock_classes
) {
700 switch (muxer_notif_iter
->clock_class_expectation
) {
701 case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
702 if (!bt_clock_class_is_absolute(clock_class
)) {
703 BT_LOGE("Expecting an absolute clock class, "
704 "but got a non-absolute one: "
705 "clock-class-addr=%p, clock-class-name=\"%s\"",
706 clock_class
, cc_name
);
710 case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
711 if (bt_clock_class_is_absolute(clock_class
)) {
712 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
713 "but got an absolute one: "
714 "clock-class-addr=%p, clock-class-name=\"%s\"",
715 clock_class
, cc_name
);
720 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
721 "but got one with a UUID: "
722 "clock-class-addr=%p, clock-class-name=\"%s\", "
723 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
724 clock_class
, cc_name
,
725 (unsigned int) cc_uuid
[0],
726 (unsigned int) cc_uuid
[1],
727 (unsigned int) cc_uuid
[2],
728 (unsigned int) cc_uuid
[3],
729 (unsigned int) cc_uuid
[4],
730 (unsigned int) cc_uuid
[5],
731 (unsigned int) cc_uuid
[6],
732 (unsigned int) cc_uuid
[7],
733 (unsigned int) cc_uuid
[8],
734 (unsigned int) cc_uuid
[9],
735 (unsigned int) cc_uuid
[10],
736 (unsigned int) cc_uuid
[11],
737 (unsigned int) cc_uuid
[12],
738 (unsigned int) cc_uuid
[13],
739 (unsigned int) cc_uuid
[14],
740 (unsigned int) cc_uuid
[15]);
744 case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
745 if (bt_clock_class_is_absolute(clock_class
)) {
746 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
747 "but got an absolute one: "
748 "clock-class-addr=%p, clock-class-name=\"%s\"",
749 clock_class
, cc_name
);
754 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
755 "but got one with no UUID: "
756 "clock-class-addr=%p, clock-class-name=\"%s\"",
757 clock_class
, cc_name
);
761 if (memcmp(muxer_notif_iter
->expected_clock_class_uuid
,
762 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
763 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
764 "but got one with different UUID: "
765 "clock-class-addr=%p, clock-class-name=\"%s\", "
766 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
767 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
768 clock_class
, cc_name
,
769 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[0],
770 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[1],
771 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[2],
772 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[3],
773 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[4],
774 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[5],
775 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[6],
776 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[7],
777 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[8],
778 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[9],
779 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[10],
780 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[11],
781 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[12],
782 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[13],
783 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[14],
784 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[15],
785 (unsigned int) cc_uuid
[0],
786 (unsigned int) cc_uuid
[1],
787 (unsigned int) cc_uuid
[2],
788 (unsigned int) cc_uuid
[3],
789 (unsigned int) cc_uuid
[4],
790 (unsigned int) cc_uuid
[5],
791 (unsigned int) cc_uuid
[6],
792 (unsigned int) cc_uuid
[7],
793 (unsigned int) cc_uuid
[8],
794 (unsigned int) cc_uuid
[9],
795 (unsigned int) cc_uuid
[10],
796 (unsigned int) cc_uuid
[11],
797 (unsigned int) cc_uuid
[12],
798 (unsigned int) cc_uuid
[13],
799 (unsigned int) cc_uuid
[14],
800 (unsigned int) cc_uuid
[15]);
806 BT_LOGF("Unexpected clock class expectation: "
807 "expectation-code=%d",
808 muxer_notif_iter
->clock_class_expectation
);
813 ret
= bt_clock_value_get_ns_from_origin(clock_value
, ts_ns
);
815 BT_LOGE("Cannot get nanoseconds from Epoch of clock value: "
816 "clock-value-addr=%p", clock_value
);
827 BT_LOGV("Found notification's timestamp: "
828 "muxer-notif-iter-addr=%p, notif-addr=%p, "
829 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
830 muxer_notif_iter
, notif
, last_returned_ts_ns
,
838 * This function finds the youngest available notification amongst the
839 * non-ended upstream notification iterators and returns the upstream
840 * notification iterator which has it, or
841 * BT_NOTIFICATION_ITERATOR_STATUS_END if there's no available
844 * This function does NOT:
846 * * Update any upstream notification iterator.
847 * * Check for newly connected ports.
848 * * Check the upstream notification iterators to retry.
850 * On sucess, this function sets *muxer_upstream_notif_iter to the
851 * upstream notification iterator of which the current notification is
852 * the youngest, and sets *ts_ns to its time.
855 enum bt_notification_iterator_status
856 muxer_notif_iter_youngest_upstream_notif_iter(
857 struct muxer_comp
*muxer_comp
,
858 struct muxer_notif_iter
*muxer_notif_iter
,
859 struct muxer_upstream_notif_iter
**muxer_upstream_notif_iter
,
864 int64_t youngest_ts_ns
= INT64_MAX
;
865 enum bt_notification_iterator_status status
=
866 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
868 BT_ASSERT(muxer_comp
);
869 BT_ASSERT(muxer_notif_iter
);
870 BT_ASSERT(muxer_upstream_notif_iter
);
871 *muxer_upstream_notif_iter
= NULL
;
873 for (i
= 0; i
< muxer_notif_iter
->muxer_upstream_notif_iters
->len
; i
++) {
874 struct bt_notification
*notif
;
875 struct muxer_upstream_notif_iter
*cur_muxer_upstream_notif_iter
=
876 g_ptr_array_index(muxer_notif_iter
->muxer_upstream_notif_iters
, i
);
879 if (!cur_muxer_upstream_notif_iter
->notif_iter
) {
880 /* This upstream notification iterator is ended */
881 BT_LOGV("Skipping ended upstream notification iterator: "
882 "muxer-upstream-notif-iter-wrap-addr=%p",
883 cur_muxer_upstream_notif_iter
);
887 BT_ASSERT(cur_muxer_upstream_notif_iter
->notifs
->length
> 0);
888 notif
= g_queue_peek_head(cur_muxer_upstream_notif_iter
->notifs
);
890 ret
= get_notif_ts_ns(muxer_comp
, muxer_notif_iter
, notif
,
891 muxer_notif_iter
->last_returned_ts_ns
, ¬if_ts_ns
);
893 /* get_notif_ts_ns() logs errors */
894 *muxer_upstream_notif_iter
= NULL
;
895 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
899 if (notif_ts_ns
<= youngest_ts_ns
) {
900 *muxer_upstream_notif_iter
=
901 cur_muxer_upstream_notif_iter
;
902 youngest_ts_ns
= notif_ts_ns
;
903 *ts_ns
= youngest_ts_ns
;
907 if (!*muxer_upstream_notif_iter
) {
908 status
= BT_NOTIFICATION_ITERATOR_STATUS_END
;
917 enum bt_notification_iterator_status
validate_muxer_upstream_notif_iter(
918 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
)
920 enum bt_notification_iterator_status status
=
921 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
923 BT_LOGV("Validating muxer's upstream notification iterator wrapper: "
924 "muxer-upstream-notif-iter-wrap-addr=%p",
925 muxer_upstream_notif_iter
);
927 if (muxer_upstream_notif_iter
->notifs
->length
> 0 ||
928 !muxer_upstream_notif_iter
->notif_iter
) {
929 BT_LOGV("Already valid or not considered: "
930 "queue-len=%u, upstream-notif-iter-addr=%p",
931 muxer_upstream_notif_iter
->notifs
->length
,
932 muxer_upstream_notif_iter
->notif_iter
);
936 /* muxer_upstream_notif_iter_next() logs details/errors */
937 status
= muxer_upstream_notif_iter_next(muxer_upstream_notif_iter
);
944 enum bt_notification_iterator_status
validate_muxer_upstream_notif_iters(
945 struct muxer_notif_iter
*muxer_notif_iter
)
947 enum bt_notification_iterator_status status
=
948 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
951 BT_LOGV("Validating muxer's upstream notification iterator wrappers: "
952 "muxer-notif-iter-addr=%p", muxer_notif_iter
);
954 for (i
= 0; i
< muxer_notif_iter
->muxer_upstream_notif_iters
->len
; i
++) {
955 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
=
957 muxer_notif_iter
->muxer_upstream_notif_iters
,
960 status
= validate_muxer_upstream_notif_iter(
961 muxer_upstream_notif_iter
);
962 if (status
!= BT_NOTIFICATION_ITERATOR_STATUS_OK
) {
964 BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: "
965 "muxer-notif-iter-addr=%p, "
966 "muxer-upstream-notif-iter-wrap-addr=%p",
968 muxer_upstream_notif_iter
);
970 BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: "
971 "muxer-notif-iter-addr=%p, "
972 "muxer-upstream-notif-iter-wrap-addr=%p",
974 muxer_upstream_notif_iter
);
981 * Remove this muxer upstream notification iterator
982 * if it's ended or canceled.
984 if (!muxer_upstream_notif_iter
->notif_iter
) {
986 * Use g_ptr_array_remove_fast() because the
987 * order of those elements is not important.
989 BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: "
990 "muxer-notif-iter-addr=%p, "
991 "muxer-upstream-notif-iter-wrap-addr=%p",
992 muxer_notif_iter
, muxer_upstream_notif_iter
);
993 g_ptr_array_remove_index_fast(
994 muxer_notif_iter
->muxer_upstream_notif_iters
,
1005 enum bt_notification_iterator_status
muxer_notif_iter_do_next_one(
1006 struct muxer_comp
*muxer_comp
,
1007 struct muxer_notif_iter
*muxer_notif_iter
,
1008 struct bt_notification
**notif
)
1010 enum bt_notification_iterator_status status
=
1011 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
1012 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
= NULL
;
1013 int64_t next_return_ts
;
1016 int ret
= muxer_notif_iter_handle_newly_connected_ports(
1020 BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: "
1021 "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1023 muxer_comp
, muxer_notif_iter
, ret
);
1024 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
1028 status
= validate_muxer_upstream_notif_iters(muxer_notif_iter
);
1029 if (status
!= BT_NOTIFICATION_ITERATOR_STATUS_OK
) {
1030 /* validate_muxer_upstream_notif_iters() logs details */
1035 * At this point, we know that all the existing upstream
1036 * notification iterators are valid. However the
1037 * operations to validate them (during
1038 * validate_muxer_upstream_notif_iters()) may have
1039 * connected new ports. If no ports were connected
1040 * during this operation, exit the loop.
1042 if (!muxer_notif_iter
->newly_connected_priv_ports
) {
1043 BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: "
1044 "muxer-comp-addr=%p", muxer_comp
);
1049 BT_ASSERT(!muxer_notif_iter
->newly_connected_priv_ports
);
1052 * At this point we know that all the existing upstream
1053 * notification iterators are valid. We can find the one,
1054 * amongst those, of which the current notification is the
1057 status
= muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp
,
1058 muxer_notif_iter
, &muxer_upstream_notif_iter
,
1060 if (status
< 0 || status
== BT_NOTIFICATION_ITERATOR_STATUS_END
||
1061 status
== BT_NOTIFICATION_ITERATOR_STATUS_CANCELED
) {
1063 BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: "
1065 bt_notification_iterator_status_string(status
));
1067 BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: "
1069 bt_notification_iterator_status_string(status
));
1075 if (next_return_ts
< muxer_notif_iter
->last_returned_ts_ns
) {
1076 BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: "
1077 "muxer-notif-iter-addr=%p, ts=%" PRId64
", "
1078 "last-returned-ts=%" PRId64
,
1079 muxer_notif_iter
, next_return_ts
,
1080 muxer_notif_iter
->last_returned_ts_ns
);
1081 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
1085 BT_LOGV("Found youngest upstream notification iterator wrapper: "
1086 "muxer-notif-iter-addr=%p, "
1087 "muxer-upstream-notif-iter-wrap-addr=%p, "
1089 muxer_notif_iter
, muxer_upstream_notif_iter
, next_return_ts
);
1090 BT_ASSERT(status
== BT_NOTIFICATION_ITERATOR_STATUS_OK
);
1091 BT_ASSERT(muxer_upstream_notif_iter
);
1094 * Consume from the queue's head: other side
1095 * (muxer_upstream_notif_iter_next()) writes to the tail.
1097 *notif
= g_queue_pop_head(muxer_upstream_notif_iter
->notifs
);
1099 muxer_notif_iter
->last_returned_ts_ns
= next_return_ts
;
1106 enum bt_notification_iterator_status
muxer_notif_iter_do_next(
1107 struct muxer_comp
*muxer_comp
,
1108 struct muxer_notif_iter
*muxer_notif_iter
,
1109 bt_notification_array notifs
, uint64_t capacity
,
1112 enum bt_notification_iterator_status status
=
1113 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
1116 while (i
< capacity
&& status
== BT_NOTIFICATION_ITERATOR_STATUS_OK
) {
1117 status
= muxer_notif_iter_do_next_one(muxer_comp
,
1118 muxer_notif_iter
, ¬ifs
[i
]);
1119 if (status
== BT_NOTIFICATION_ITERATOR_STATUS_OK
) {
1126 * Even if muxer_notif_iter_do_next_one() returned
1127 * something else than
1128 * BT_NOTIFICATION_ITERATOR_STATUS_OK, we accumulated
1129 * notification objects in the output notification
1130 * array, so we need to return
1131 * BT_NOTIFICATION_ITERATOR_STATUS_OK so that they are
1132 * transfered to downstream. This other status occurs
1133 * again the next time muxer_notif_iter_do_next() is
1134 * called, possibly without any accumulated
1135 * notification, in which case we'll return it.
1138 status
= BT_NOTIFICATION_ITERATOR_STATUS_OK
;
1145 void destroy_muxer_notif_iter(struct muxer_notif_iter
*muxer_notif_iter
)
1147 if (!muxer_notif_iter
) {
1151 BT_LOGD("Destroying muxer component's notification iterator: "
1152 "muxer-notif-iter-addr=%p", muxer_notif_iter
);
1154 if (muxer_notif_iter
->muxer_upstream_notif_iters
) {
1155 BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers.");
1157 muxer_notif_iter
->muxer_upstream_notif_iters
, TRUE
);
1160 g_list_free(muxer_notif_iter
->newly_connected_priv_ports
);
1161 g_free(muxer_notif_iter
);
1165 int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp
*muxer_comp
,
1166 struct muxer_notif_iter
*muxer_notif_iter
)
1168 struct bt_component
*comp
;
1174 * Add the connected input ports to this muxer notification
1175 * iterator's list of newly connected ports. They will be
1176 * handled by muxer_notif_iter_handle_newly_connected_ports().
1178 comp
= bt_component_borrow_from_private(muxer_comp
->priv_comp
);
1180 count
= bt_component_filter_get_input_port_count(comp
);
1182 BT_LOGD("No input port to initialize for muxer component's notification iterator: "
1183 "muxer-comp-addr=%p, muxer-notif-iter-addr=%p",
1184 muxer_comp
, muxer_notif_iter
);
1188 for (i
= 0; i
< count
; i
++) {
1189 struct bt_private_port
*priv_port
=
1190 bt_private_component_filter_get_input_port_by_index(
1191 muxer_comp
->priv_comp
, i
);
1192 struct bt_port
*port
;
1194 BT_ASSERT(priv_port
);
1195 port
= bt_port_borrow_from_private(priv_port
);
1198 if (!bt_port_is_connected(port
)) {
1199 BT_LOGD("Skipping input port: not connected: "
1200 "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"",
1201 muxer_comp
, port
, bt_port_get_name(port
));
1202 bt_object_put_ref(priv_port
);
1206 bt_object_put_ref(priv_port
);
1207 muxer_notif_iter
->newly_connected_priv_ports
=
1209 muxer_notif_iter
->newly_connected_priv_ports
,
1211 if (!muxer_notif_iter
->newly_connected_priv_ports
) {
1212 BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: "
1213 "port-addr=%p, port-name=\"%s\", "
1214 "muxer-notif-iter-addr=%p", port
,
1215 bt_port_get_name(port
), muxer_notif_iter
);
1220 BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: "
1221 "port-addr=%p, port-name=\"%s\", "
1222 "muxer-notif-iter-addr=%p", port
,
1223 bt_port_get_name(port
), muxer_notif_iter
);
1231 enum bt_notification_iterator_status
muxer_notif_iter_init(
1232 struct bt_private_connection_private_notification_iterator
*priv_notif_iter
,
1233 struct bt_private_port
*output_priv_port
)
1235 struct muxer_comp
*muxer_comp
= NULL
;
1236 struct muxer_notif_iter
*muxer_notif_iter
= NULL
;
1237 struct bt_private_component
*priv_comp
= NULL
;
1238 enum bt_notification_iterator_status status
=
1239 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
1242 priv_comp
= bt_private_connection_private_notification_iterator_get_private_component(
1244 BT_ASSERT(priv_comp
);
1245 muxer_comp
= bt_private_component_get_user_data(priv_comp
);
1246 BT_ASSERT(muxer_comp
);
1247 BT_LOGD("Initializing muxer component's notification iterator: "
1248 "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p",
1249 priv_comp
, muxer_comp
, priv_notif_iter
);
1251 if (muxer_comp
->initializing_muxer_notif_iter
) {
1253 * Weird, unhandled situation detected: downstream
1254 * creates a muxer notification iterator while creating
1255 * another muxer notification iterator (same component).
1257 BT_LOGE("Recursive initialization of muxer component's notification iterator: "
1258 "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p",
1259 priv_comp
, muxer_comp
, priv_notif_iter
);
1263 muxer_comp
->initializing_muxer_notif_iter
= true;
1264 muxer_notif_iter
= g_new0(struct muxer_notif_iter
, 1);
1265 if (!muxer_notif_iter
) {
1266 BT_LOGE_STR("Failed to allocate one muxer component's notification iterator.");
1270 muxer_notif_iter
->last_returned_ts_ns
= INT64_MIN
;
1271 muxer_notif_iter
->muxer_upstream_notif_iters
=
1272 g_ptr_array_new_with_free_func(
1273 (GDestroyNotify
) destroy_muxer_upstream_notif_iter
);
1274 if (!muxer_notif_iter
->muxer_upstream_notif_iters
) {
1275 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1280 * Add the muxer notification iterator to the component's array
1281 * of muxer notification iterators here because
1282 * muxer_notif_iter_init_newly_connected_ports() can cause
1283 * muxer_port_connected() to be called, which adds the newly
1284 * connected port to each muxer notification iterator's list of
1285 * newly connected ports.
1287 g_ptr_array_add(muxer_comp
->muxer_notif_iters
, muxer_notif_iter
);
1288 ret
= muxer_notif_iter_init_newly_connected_ports(muxer_comp
,
1291 BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: "
1292 "comp-addr=%p, muxer-comp-addr=%p, "
1293 "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d",
1294 priv_comp
, muxer_comp
, muxer_notif_iter
,
1295 priv_notif_iter
, ret
);
1299 ret
= bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter
,
1301 BT_ASSERT(ret
== 0);
1302 BT_LOGD("Initialized muxer component's notification iterator: "
1303 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1304 "notif-iter-addr=%p",
1305 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
);
1309 if (g_ptr_array_index(muxer_comp
->muxer_notif_iters
,
1310 muxer_comp
->muxer_notif_iters
->len
- 1) == muxer_notif_iter
) {
1311 g_ptr_array_remove_index(muxer_comp
->muxer_notif_iters
,
1312 muxer_comp
->muxer_notif_iters
->len
- 1);
1315 destroy_muxer_notif_iter(muxer_notif_iter
);
1316 ret
= bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter
,
1318 BT_ASSERT(ret
== 0);
1319 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
1322 muxer_comp
->initializing_muxer_notif_iter
= false;
1323 bt_object_put_ref(priv_comp
);
1328 void muxer_notif_iter_finalize(
1329 struct bt_private_connection_private_notification_iterator
*priv_notif_iter
)
1331 struct muxer_notif_iter
*muxer_notif_iter
=
1332 bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter
);
1333 struct bt_private_component
*priv_comp
= NULL
;
1334 struct muxer_comp
*muxer_comp
= NULL
;
1336 priv_comp
= bt_private_connection_private_notification_iterator_get_private_component(
1338 BT_ASSERT(priv_comp
);
1339 muxer_comp
= bt_private_component_get_user_data(priv_comp
);
1340 BT_LOGD("Finalizing muxer component's notification iterator: "
1341 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1342 "notif-iter-addr=%p",
1343 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
);
1346 (void) g_ptr_array_remove_fast(muxer_comp
->muxer_notif_iters
,
1348 destroy_muxer_notif_iter(muxer_notif_iter
);
1351 bt_object_put_ref(priv_comp
);
1355 enum bt_notification_iterator_status
muxer_notif_iter_next(
1356 struct bt_private_connection_private_notification_iterator
*priv_notif_iter
,
1357 bt_notification_array notifs
, uint64_t capacity
,
1360 enum bt_notification_iterator_status status
;
1361 struct muxer_notif_iter
*muxer_notif_iter
=
1362 bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter
);
1363 struct bt_private_component
*priv_comp
= NULL
;
1364 struct muxer_comp
*muxer_comp
= NULL
;
1366 BT_ASSERT(muxer_notif_iter
);
1367 priv_comp
= bt_private_connection_private_notification_iterator_get_private_component(
1369 BT_ASSERT(priv_comp
);
1370 muxer_comp
= bt_private_component_get_user_data(priv_comp
);
1371 BT_ASSERT(muxer_comp
);
1372 BT_LOGV("Muxer component's notification iterator's \"next\" method called: "
1373 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1374 "notif-iter-addr=%p",
1375 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
);
1377 status
= muxer_notif_iter_do_next(muxer_comp
, muxer_notif_iter
,
1378 notifs
, capacity
, count
);
1380 BT_LOGE("Cannot get next notification: "
1381 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1382 "notif-iter-addr=%p, status=%s",
1383 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
,
1384 bt_notification_iterator_status_string(status
));
1386 BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: "
1388 bt_notification_iterator_status_string(status
));
1391 bt_object_put_ref(priv_comp
);
1396 enum bt_component_status
muxer_port_connected(
1397 struct bt_private_component
*priv_comp
,
1398 struct bt_private_port
*self_private_port
,
1399 struct bt_port
*other_port
)
1401 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
1402 struct bt_port
*self_port
=
1403 bt_port_borrow_from_private(self_private_port
);
1404 struct muxer_comp
*muxer_comp
=
1405 bt_private_component_get_user_data(priv_comp
);
1409 BT_ASSERT(self_port
);
1410 BT_ASSERT(muxer_comp
);
1411 BT_LOGD("Port connected: "
1412 "comp-addr=%p, muxer-comp-addr=%p, "
1413 "port-addr=%p, port-name=\"%s\", "
1414 "other-port-addr=%p, other-port-name=\"%s\"",
1415 priv_comp
, muxer_comp
, self_port
, bt_port_get_name(self_port
),
1416 other_port
, bt_port_get_name(other_port
));
1418 if (bt_port_get_type(self_port
) == BT_PORT_TYPE_OUTPUT
) {
1422 for (i
= 0; i
< muxer_comp
->muxer_notif_iters
->len
; i
++) {
1423 struct muxer_notif_iter
*muxer_notif_iter
=
1424 g_ptr_array_index(muxer_comp
->muxer_notif_iters
, i
);
1427 * Add this port to the list of newly connected ports
1428 * for this muxer notification iterator. We append at
1429 * the end of this list while
1430 * muxer_notif_iter_handle_newly_connected_ports()
1431 * removes the nodes from the beginning.
1433 muxer_notif_iter
->newly_connected_priv_ports
=
1435 muxer_notif_iter
->newly_connected_priv_ports
,
1437 if (!muxer_notif_iter
->newly_connected_priv_ports
) {
1438 BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: "
1439 "port-addr=%p, port-name=\"%s\", "
1440 "muxer-notif-iter-addr=%p", self_port
,
1441 bt_port_get_name(self_port
), muxer_notif_iter
);
1442 status
= BT_COMPONENT_STATUS_ERROR
;
1446 BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: "
1447 "port-addr=%p, port-name=\"%s\", "
1448 "muxer-notif-iter-addr=%p", self_port
,
1449 bt_port_get_name(self_port
), muxer_notif_iter
);
1452 /* One less available input port */
1453 muxer_comp
->available_input_ports
--;
1454 ret
= ensure_available_input_port(priv_comp
);
1457 * Only way to report an error later since this
1458 * method does not return anything.
1460 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
1461 "muxer-comp-addr=%p, status=%s",
1462 muxer_comp
, bt_component_status_string(ret
));
1463 status
= BT_COMPONENT_STATUS_ERROR
;
1472 void muxer_port_disconnected(struct bt_private_component
*priv_comp
,
1473 struct bt_private_port
*priv_port
)
1475 struct bt_port
*port
= bt_port_borrow_from_private(priv_port
);
1476 struct muxer_comp
*muxer_comp
=
1477 bt_private_component_get_user_data(priv_comp
);
1480 BT_ASSERT(muxer_comp
);
1481 BT_LOGD("Port disconnected: "
1482 "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, "
1483 "port-name=\"%s\"", priv_comp
, muxer_comp
,
1484 port
, bt_port_get_name(port
));
1487 * There's nothing special to do when a port is disconnected
1488 * because this component deals with upstream notification
1489 * iterators which were already created thanks to connected
1490 * ports. The fact that the port is disconnected does not cancel
1491 * the upstream notification iterators created using its
1492 * connection: they still exist, even if the connection is dead.
1493 * The only way to remove an upstream notification iterator is
1494 * for its "next" operation to return
1495 * BT_NOTIFICATION_ITERATOR_STATUS_END.
1497 if (bt_port_get_type(port
) == BT_PORT_TYPE_INPUT
) {
1498 /* One more available input port */
1499 muxer_comp
->available_input_ports
++;
1500 BT_LOGD("Leaving disconnected input port available for future connections: "
1501 "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, "
1502 "port-name=\"%s\", avail-input-port-count=%zu",
1503 priv_comp
, muxer_comp
, port
, bt_port_get_name(port
),
1504 muxer_comp
->available_input_ports
);