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>
41 #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes"
46 * bt_private_connection_private_notification_iterator *
49 GPtrArray
*muxer_notif_iters
;
52 struct bt_private_component
*priv_comp
;
53 unsigned int next_port_num
;
54 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
;
65 * This flag is true if the upstream notification iterator's
66 * current notification must be considered for the multiplexing
67 * operations. If the upstream iterator returns
68 * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN, then this object
69 * is considered invalid, because its current notification is
70 * still the previous one, but we already took it into account.
72 * The value of this flag is not important if notif_iter above
73 * is NULL (which means the upstream iterator is finished).
78 enum muxer_notif_iter_clock_class_expectation
{
79 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY
= 0,
80 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
,
81 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
,
82 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
,
85 struct muxer_notif_iter
{
87 * Array of struct muxer_upstream_notif_iter * (owned by this).
89 * NOTE: This array is searched in linearly to find the youngest
90 * current notification. Keep this until benchmarks confirm that
91 * another data structure is faster than this for our typical
94 GPtrArray
*muxer_upstream_notif_iters
;
97 * List of "recently" connected input ports (weak) to
98 * handle by this muxer notification iterator.
99 * muxer_port_connected() adds entries to this list, and the
100 * entries are removed when a notification iterator is created
101 * on the port's connection and put into
102 * muxer_upstream_notif_iters above by
103 * muxer_notif_iter_handle_newly_connected_ports().
105 GList
*newly_connected_priv_ports
;
107 /* Next thing to return by the "next" method */
108 struct bt_notification_iterator_next_method_return next_next_return
;
110 /* Last time returned in a notification */
111 int64_t last_returned_ts_ns
;
113 /* Clock class expectation state */
114 enum muxer_notif_iter_clock_class_expectation clock_class_expectation
;
117 * Expected clock class UUID, only valid when
118 * clock_class_expectation is
119 * MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID.
121 unsigned char expected_clock_class_uuid
[BABELTRACE_UUID_LEN
];
125 void destroy_muxer_upstream_notif_iter(
126 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
)
128 if (!muxer_upstream_notif_iter
) {
132 BT_LOGD("Destroying muxer's upstream notification iterator wrapper: "
133 "addr=%p, notif-iter-addr=%p, is-valid=%d",
134 muxer_upstream_notif_iter
,
135 muxer_upstream_notif_iter
->notif_iter
,
136 muxer_upstream_notif_iter
->is_valid
);
137 bt_put(muxer_upstream_notif_iter
->notif_iter
);
138 g_free(muxer_upstream_notif_iter
);
142 struct muxer_upstream_notif_iter
*muxer_notif_iter_add_upstream_notif_iter(
143 struct muxer_notif_iter
*muxer_notif_iter
,
144 struct bt_notification_iterator
*notif_iter
,
145 struct bt_private_port
*priv_port
)
147 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
=
148 g_new0(struct muxer_upstream_notif_iter
, 1);
150 if (!muxer_upstream_notif_iter
) {
151 BT_LOGE_STR("Failed to allocate one muxer's upstream notification iterator wrapper.");
155 muxer_upstream_notif_iter
->notif_iter
= bt_get(notif_iter
);
156 muxer_upstream_notif_iter
->is_valid
= false;
157 g_ptr_array_add(muxer_notif_iter
->muxer_upstream_notif_iters
,
158 muxer_upstream_notif_iter
);
159 BT_LOGD("Added muxer's upstream notification iterator wrapper: "
160 "addr=%p, muxer-notif-iter-addr=%p, notif-iter-addr=%p",
161 muxer_upstream_notif_iter
, muxer_notif_iter
,
165 return muxer_upstream_notif_iter
;
169 enum bt_component_status
ensure_available_input_port(
170 struct bt_private_component
*priv_comp
)
172 struct muxer_comp
*muxer_comp
=
173 bt_private_component_get_user_data(priv_comp
);
174 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
175 GString
*port_name
= NULL
;
177 BT_ASSERT(muxer_comp
);
179 if (muxer_comp
->available_input_ports
>= 1) {
183 port_name
= g_string_new("in");
185 BT_LOGE_STR("Failed to allocate a GString.");
186 status
= BT_COMPONENT_STATUS_NOMEM
;
190 g_string_append_printf(port_name
, "%u", muxer_comp
->next_port_num
);
191 status
= bt_private_component_filter_add_input_private_port(
192 priv_comp
, port_name
->str
, NULL
, NULL
);
193 if (status
!= BT_COMPONENT_STATUS_OK
) {
194 BT_LOGE("Cannot add input port to muxer component: "
195 "port-name=\"%s\", comp-addr=%p, status=%s",
196 port_name
->str
, priv_comp
,
197 bt_component_status_string(status
));
201 muxer_comp
->available_input_ports
++;
202 muxer_comp
->next_port_num
++;
203 BT_LOGD("Added one input port to muxer component: "
204 "port-name=\"%s\", comp-addr=%p",
205 port_name
->str
, priv_comp
);
208 g_string_free(port_name
, TRUE
);
215 enum bt_component_status
create_output_port(
216 struct bt_private_component
*priv_comp
)
218 return bt_private_component_filter_add_output_private_port(
219 priv_comp
, "out", NULL
, NULL
);
223 void destroy_muxer_comp(struct muxer_comp
*muxer_comp
)
229 BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, "
230 "muxer-notif-iter-count=%u", muxer_comp
,
231 muxer_comp
->muxer_notif_iters
?
232 muxer_comp
->muxer_notif_iters
->len
: 0);
234 if (muxer_comp
->muxer_notif_iters
) {
235 g_ptr_array_free(muxer_comp
->muxer_notif_iters
, TRUE
);
242 struct bt_value
*get_default_params(void)
244 struct bt_value
*params
;
247 params
= bt_value_map_create();
249 BT_LOGE_STR("Cannot create a map value object.");
253 ret
= bt_value_map_insert_bool(params
,
254 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, false);
256 BT_LOGE_STR("Cannot add boolean value to map value object.");
270 int configure_muxer_comp(struct muxer_comp
*muxer_comp
, struct bt_value
*params
)
272 struct bt_value
*default_params
= NULL
;
273 struct bt_value
*real_params
= NULL
;
274 struct bt_value
*assume_absolute_clock_classes
= NULL
;
278 default_params
= get_default_params();
279 if (!default_params
) {
280 BT_LOGE("Cannot get default parameters: "
281 "muxer-comp-addr=%p", muxer_comp
);
285 real_params
= bt_value_map_extend(default_params
, params
);
287 BT_LOGE("Cannot extend default parameters map value: "
288 "muxer-comp-addr=%p, def-params-addr=%p, "
289 "params-addr=%p", muxer_comp
, default_params
,
294 assume_absolute_clock_classes
= bt_value_map_borrow(real_params
,
295 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
);
296 if (assume_absolute_clock_classes
&&
297 !bt_value_is_bool(assume_absolute_clock_classes
)) {
298 BT_LOGE("Expecting a boolean value for the `%s` parameter: "
299 "muxer-comp-addr=%p, value-type=%s",
300 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, muxer_comp
,
301 bt_value_type_string(
302 bt_value_get_type(assume_absolute_clock_classes
)));
306 ret
= bt_value_bool_get(assume_absolute_clock_classes
, &bool_val
);
308 muxer_comp
->assume_absolute_clock_classes
= (bool) bool_val
;
309 BT_LOGD("Configured muxer component: muxer-comp-addr=%p, "
310 "assume-absolute-clock-classes=%d",
311 muxer_comp
, muxer_comp
->assume_absolute_clock_classes
);
318 bt_put(default_params
);
324 enum bt_component_status
muxer_init(
325 struct bt_private_component
*priv_comp
,
326 struct bt_value
*params
, void *init_data
)
329 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
330 struct muxer_comp
*muxer_comp
= g_new0(struct muxer_comp
, 1);
332 BT_LOGD("Initializing muxer component: "
333 "comp-addr=%p, params-addr=%p", priv_comp
, params
);
336 BT_LOGE_STR("Failed to allocate one muxer component.");
340 ret
= configure_muxer_comp(muxer_comp
, params
);
342 BT_LOGE("Cannot configure muxer component: "
343 "muxer-comp-addr=%p, params-addr=%p",
348 muxer_comp
->muxer_notif_iters
= g_ptr_array_new();
349 if (!muxer_comp
->muxer_notif_iters
) {
350 BT_LOGE_STR("Failed to allocate a GPtrArray.");
354 muxer_comp
->priv_comp
= priv_comp
;
355 ret
= bt_private_component_set_user_data(priv_comp
, muxer_comp
);
357 status
= ensure_available_input_port(priv_comp
);
358 if (status
!= BT_COMPONENT_STATUS_OK
) {
359 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
360 "muxer-comp-addr=%p, status=%s",
362 bt_component_status_string(status
));
366 status
= create_output_port(priv_comp
);
368 BT_LOGE("Cannot create muxer component's output port: "
369 "muxer-comp-addr=%p, status=%s",
371 bt_component_status_string(status
));
375 BT_LOGD("Initialized muxer component: "
376 "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
377 priv_comp
, params
, muxer_comp
);
382 destroy_muxer_comp(muxer_comp
);
383 ret
= bt_private_component_set_user_data(priv_comp
, NULL
);
386 if (status
== BT_COMPONENT_STATUS_OK
) {
387 status
= BT_COMPONENT_STATUS_ERROR
;
395 void muxer_finalize(struct bt_private_component
*priv_comp
)
397 struct muxer_comp
*muxer_comp
=
398 bt_private_component_get_user_data(priv_comp
);
400 BT_LOGD("Finalizing muxer component: comp-addr=%p",
402 destroy_muxer_comp(muxer_comp
);
406 struct bt_notification_iterator
*create_notif_iter_on_input_port(
407 struct bt_private_port
*priv_port
, int *ret
)
409 struct bt_port
*port
= bt_port_from_private(priv_port
);
410 struct bt_notification_iterator
*notif_iter
= NULL
;
411 struct bt_private_connection
*priv_conn
= NULL
;
412 enum bt_connection_status conn_status
;
417 BT_ASSERT(bt_port_is_connected(port
));
418 priv_conn
= bt_private_port_get_private_connection(priv_port
);
419 BT_ASSERT(priv_conn
);
421 // TODO: Advance the iterator to >= the time of the latest
422 // returned notification by the muxer notification
423 // iterator which creates it.
424 conn_status
= bt_private_connection_create_notification_iterator(
425 priv_conn
, ¬if_iter
);
426 if (conn_status
!= BT_CONNECTION_STATUS_OK
) {
427 BT_LOGE("Cannot create upstream notification iterator on input port's connection: "
428 "port-addr=%p, port-name=\"%s\", conn-addr=%p, "
430 port
, bt_port_get_name(port
), priv_conn
,
431 bt_connection_status_string(conn_status
));
436 BT_LOGD("Created upstream notification iterator on input port's connection: "
437 "port-addr=%p, port-name=\"%s\", conn-addr=%p, "
438 "notif-iter-addr=%p",
439 port
, bt_port_get_name(port
), priv_conn
, notif_iter
);
448 enum bt_notification_iterator_status
muxer_upstream_notif_iter_next(
449 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
)
451 enum bt_notification_iterator_status status
;
453 BT_LOGV("Calling upstream notification iterator's \"next\" method: "
454 "muxer-upstream-notif-iter-wrap-addr=%p, notif-iter-addr=%p",
455 muxer_upstream_notif_iter
,
456 muxer_upstream_notif_iter
->notif_iter
);
457 status
= bt_notification_iterator_next(
458 muxer_upstream_notif_iter
->notif_iter
);
459 BT_LOGV("Upstream notification iterator's \"next\" method returned: "
460 "status=%s", bt_notification_iterator_status_string(status
));
463 case BT_NOTIFICATION_ITERATOR_STATUS_OK
:
465 * Notification iterator's current notification is valid:
466 * it must be considered for muxing operations.
468 BT_LOGV_STR("Validated upstream notification iterator wrapper.");
469 muxer_upstream_notif_iter
->is_valid
= true;
471 case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN
:
473 * Notification iterator's current notification is not
474 * valid anymore. Return
475 * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN
478 BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_AGAIN.");
479 muxer_upstream_notif_iter
->is_valid
= false;
481 case BT_NOTIFICATION_ITERATOR_STATUS_END
: /* Fall-through. */
482 case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED
:
484 * Notification iterator reached the end: release it. It
485 * won't be considered again to find the youngest
488 BT_LOGV_STR("Invalidated upstream notification iterator wrapper because of BT_NOTIFICATION_ITERATOR_STATUS_END or BT_NOTIFICATION_ITERATOR_STATUS_CANCELED.");
489 BT_PUT(muxer_upstream_notif_iter
->notif_iter
);
490 muxer_upstream_notif_iter
->is_valid
= false;
491 status
= BT_NOTIFICATION_ITERATOR_STATUS_OK
;
494 /* Error or unsupported status code */
495 BT_LOGE("Error or unsupported status code: "
496 "status-code=%d", status
);
497 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
505 int muxer_notif_iter_handle_newly_connected_ports(
506 struct muxer_notif_iter
*muxer_notif_iter
)
510 BT_LOGV("Handling newly connected ports: "
511 "muxer-notif-iter-addr=%p", muxer_notif_iter
);
514 * Here we create one upstream notification iterator for each
515 * newly connected port. We do not perform an initial "next" on
516 * those new upstream notification iterators: they are
517 * invalidated, to be validated later. The list of newly
518 * connected ports to handle here is updated by
519 * muxer_port_connected().
522 GList
*node
= muxer_notif_iter
->newly_connected_priv_ports
;
523 struct bt_private_port
*priv_port
;
524 struct bt_port
*port
;
525 struct bt_notification_iterator
*upstream_notif_iter
= NULL
;
526 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
;
532 priv_port
= node
->data
;
533 port
= bt_port_from_private(priv_port
);
536 if (!bt_port_is_connected(port
)) {
538 * Looks like this port is not connected
539 * anymore: we can't create an upstream
540 * notification iterator on its (non-existing)
541 * connection in this case.
547 upstream_notif_iter
= create_notif_iter_on_input_port(priv_port
,
550 /* create_notif_iter_on_input_port() logs errors */
551 BT_ASSERT(!upstream_notif_iter
);
555 muxer_upstream_notif_iter
=
556 muxer_notif_iter_add_upstream_notif_iter(
557 muxer_notif_iter
, upstream_notif_iter
,
559 BT_PUT(upstream_notif_iter
);
560 if (!muxer_upstream_notif_iter
) {
562 * muxer_notif_iter_add_upstream_notif_iter()
569 bt_put(upstream_notif_iter
);
571 muxer_notif_iter
->newly_connected_priv_ports
=
573 muxer_notif_iter
->newly_connected_priv_ports
,
589 int get_notif_ts_ns(struct muxer_comp
*muxer_comp
,
590 struct muxer_notif_iter
*muxer_notif_iter
,
591 struct bt_notification
*notif
, int64_t last_returned_ts_ns
,
594 struct bt_clock_class_priority_map
*cc_prio_map
= NULL
;
595 struct bt_clock_class
*clock_class
= NULL
;
596 struct bt_clock_value
*clock_value
= NULL
;
597 struct bt_event
*event
= NULL
;
599 const unsigned char *cc_uuid
;
605 BT_LOGV("Getting notification's timestamp: "
606 "muxer-notif-iter-addr=%p, notif-addr=%p, "
607 "last-returned-ts=%" PRId64
,
608 muxer_notif_iter
, notif
, last_returned_ts_ns
);
610 switch (bt_notification_get_type(notif
)) {
611 case BT_NOTIFICATION_TYPE_EVENT
:
613 bt_notification_event_borrow_clock_class_priority_map(
617 case BT_NOTIFICATION_TYPE_INACTIVITY
:
619 bt_notification_inactivity_borrow_clock_class_priority_map(
623 /* All the other notifications have a higher priority */
624 BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp.");
625 *ts_ns
= last_returned_ts_ns
;
630 BT_LOGE("Cannot get notification's clock class priority map: "
631 "notif-addr=%p", notif
);
636 * If the clock class priority map is empty, then we consider
637 * that this notification has no time. In this case it's always
640 if (bt_clock_class_priority_map_get_clock_class_count(cc_prio_map
) == 0) {
641 BT_LOGV_STR("Notification's clock class priority map contains 0 clock classes: "
642 "using the last returned timestamp.");
643 *ts_ns
= last_returned_ts_ns
;
648 bt_clock_class_priority_map_borrow_highest_priority_clock_class(
651 BT_LOGE("Cannot get the clock class with the highest priority from clock class priority map: "
652 "cc-prio-map-addr=%p", cc_prio_map
);
656 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
657 cc_name
= bt_clock_class_get_name(clock_class
);
659 if (muxer_notif_iter
->clock_class_expectation
==
660 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
662 * This is the first clock class that this muxer
663 * notification iterator encounters. Its properties
664 * determine what to expect for the whole lifetime of
665 * the iterator without a true
666 * `assume-absolute-clock-classes` parameter.
668 if (bt_clock_class_is_absolute(clock_class
)) {
669 /* Expect absolute clock classes */
670 muxer_notif_iter
->clock_class_expectation
=
671 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
675 * Expect non-absolute clock classes
676 * with a specific UUID.
678 muxer_notif_iter
->clock_class_expectation
=
679 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
680 memcpy(muxer_notif_iter
->expected_clock_class_uuid
,
681 cc_uuid
, BABELTRACE_UUID_LEN
);
684 * Expect non-absolute clock classes
687 muxer_notif_iter
->clock_class_expectation
=
688 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
693 if (!muxer_comp
->assume_absolute_clock_classes
) {
694 switch (muxer_notif_iter
->clock_class_expectation
) {
695 case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
696 if (!bt_clock_class_is_absolute(clock_class
)) {
697 BT_LOGE("Expecting an absolute clock class, "
698 "but got a non-absolute one: "
699 "clock-class-addr=%p, clock-class-name=\"%s\"",
700 clock_class
, cc_name
);
704 case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
705 if (bt_clock_class_is_absolute(clock_class
)) {
706 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
707 "but got an absolute one: "
708 "clock-class-addr=%p, clock-class-name=\"%s\"",
709 clock_class
, cc_name
);
714 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
715 "but got one with a UUID: "
716 "clock-class-addr=%p, clock-class-name=\"%s\", "
717 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
718 clock_class
, cc_name
,
719 (unsigned int) cc_uuid
[0],
720 (unsigned int) cc_uuid
[1],
721 (unsigned int) cc_uuid
[2],
722 (unsigned int) cc_uuid
[3],
723 (unsigned int) cc_uuid
[4],
724 (unsigned int) cc_uuid
[5],
725 (unsigned int) cc_uuid
[6],
726 (unsigned int) cc_uuid
[7],
727 (unsigned int) cc_uuid
[8],
728 (unsigned int) cc_uuid
[9],
729 (unsigned int) cc_uuid
[10],
730 (unsigned int) cc_uuid
[11],
731 (unsigned int) cc_uuid
[12],
732 (unsigned int) cc_uuid
[13],
733 (unsigned int) cc_uuid
[14],
734 (unsigned int) cc_uuid
[15]);
738 case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
739 if (bt_clock_class_is_absolute(clock_class
)) {
740 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
741 "but got an absolute one: "
742 "clock-class-addr=%p, clock-class-name=\"%s\"",
743 clock_class
, cc_name
);
748 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
749 "but got one with no UUID: "
750 "clock-class-addr=%p, clock-class-name=\"%s\"",
751 clock_class
, cc_name
);
755 if (memcmp(muxer_notif_iter
->expected_clock_class_uuid
,
756 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
757 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
758 "but got one with different UUID: "
759 "clock-class-addr=%p, clock-class-name=\"%s\", "
760 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
761 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
762 clock_class
, cc_name
,
763 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[0],
764 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[1],
765 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[2],
766 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[3],
767 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[4],
768 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[5],
769 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[6],
770 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[7],
771 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[8],
772 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[9],
773 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[10],
774 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[11],
775 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[12],
776 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[13],
777 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[14],
778 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[15],
779 (unsigned int) cc_uuid
[0],
780 (unsigned int) cc_uuid
[1],
781 (unsigned int) cc_uuid
[2],
782 (unsigned int) cc_uuid
[3],
783 (unsigned int) cc_uuid
[4],
784 (unsigned int) cc_uuid
[5],
785 (unsigned int) cc_uuid
[6],
786 (unsigned int) cc_uuid
[7],
787 (unsigned int) cc_uuid
[8],
788 (unsigned int) cc_uuid
[9],
789 (unsigned int) cc_uuid
[10],
790 (unsigned int) cc_uuid
[11],
791 (unsigned int) cc_uuid
[12],
792 (unsigned int) cc_uuid
[13],
793 (unsigned int) cc_uuid
[14],
794 (unsigned int) cc_uuid
[15]);
800 BT_LOGF("Unexpected clock class expectation: "
801 "expectation-code=%d",
802 muxer_notif_iter
->clock_class_expectation
);
807 switch (bt_notification_get_type(notif
)) {
808 case BT_NOTIFICATION_TYPE_EVENT
:
809 event
= bt_notification_event_borrow_event(notif
);
811 clock_value
= bt_event_borrow_clock_value(event
,
814 case BT_NOTIFICATION_TYPE_INACTIVITY
:
815 clock_value
= bt_notification_inactivity_borrow_clock_value(
819 BT_LOGF("Unexpected notification type at this point: "
820 "type=%d", bt_notification_get_type(notif
));
825 BT_LOGE("Cannot get notification's clock value for clock class: "
826 "clock-class-addr=%p, clock-class-name=\"%s\"",
827 clock_class
, cc_name
);
831 ret
= bt_clock_value_get_value_ns_from_epoch(clock_value
, ts_ns
);
833 BT_LOGE("Cannot get nanoseconds from Epoch of clock value: "
834 "clock-value-addr=%p", clock_value
);
845 BT_LOGV("Found notification's timestamp: "
846 "muxer-notif-iter-addr=%p, notif-addr=%p, "
847 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
848 muxer_notif_iter
, notif
, last_returned_ts_ns
,
856 * This function finds the youngest available notification amongst the
857 * non-ended upstream notification iterators and returns the upstream
858 * notification iterator which has it, or
859 * BT_NOTIFICATION_ITERATOR_STATUS_END if there's no available
862 * This function does NOT:
864 * * Update any upstream notification iterator.
865 * * Check for newly connected ports.
866 * * Check the upstream notification iterators to retry.
868 * On sucess, this function sets *muxer_upstream_notif_iter to the
869 * upstream notification iterator of which the current notification is
870 * the youngest, and sets *ts_ns to its time.
873 enum bt_notification_iterator_status
874 muxer_notif_iter_youngest_upstream_notif_iter(
875 struct muxer_comp
*muxer_comp
,
876 struct muxer_notif_iter
*muxer_notif_iter
,
877 struct muxer_upstream_notif_iter
**muxer_upstream_notif_iter
,
882 int64_t youngest_ts_ns
= INT64_MAX
;
883 enum bt_notification_iterator_status status
=
884 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
886 BT_ASSERT(muxer_comp
);
887 BT_ASSERT(muxer_notif_iter
);
888 BT_ASSERT(muxer_upstream_notif_iter
);
889 *muxer_upstream_notif_iter
= NULL
;
891 for (i
= 0; i
< muxer_notif_iter
->muxer_upstream_notif_iters
->len
; i
++) {
892 struct bt_notification
*notif
;
893 struct muxer_upstream_notif_iter
*cur_muxer_upstream_notif_iter
=
894 g_ptr_array_index(muxer_notif_iter
->muxer_upstream_notif_iters
, i
);
897 if (!cur_muxer_upstream_notif_iter
->notif_iter
) {
898 /* This upstream notification iterator is ended */
899 BT_LOGV("Skipping ended upstream notification iterator: "
900 "muxer-upstream-notif-iter-wrap-addr=%p",
901 cur_muxer_upstream_notif_iter
);
905 BT_ASSERT(cur_muxer_upstream_notif_iter
->is_valid
);
906 notif
= bt_notification_iterator_borrow_notification(
907 cur_muxer_upstream_notif_iter
->notif_iter
);
909 ret
= get_notif_ts_ns(muxer_comp
, muxer_notif_iter
, notif
,
910 muxer_notif_iter
->last_returned_ts_ns
, ¬if_ts_ns
);
912 /* get_notif_ts_ns() logs errors */
913 *muxer_upstream_notif_iter
= NULL
;
914 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
918 if (notif_ts_ns
<= youngest_ts_ns
) {
919 *muxer_upstream_notif_iter
=
920 cur_muxer_upstream_notif_iter
;
921 youngest_ts_ns
= notif_ts_ns
;
922 *ts_ns
= youngest_ts_ns
;
926 if (!*muxer_upstream_notif_iter
) {
927 status
= BT_NOTIFICATION_ITERATOR_STATUS_END
;
936 enum bt_notification_iterator_status
validate_muxer_upstream_notif_iter(
937 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
)
939 enum bt_notification_iterator_status status
=
940 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
942 BT_LOGV("Validating muxer's upstream notification iterator wrapper: "
943 "muxer-upstream-notif-iter-wrap-addr=%p",
944 muxer_upstream_notif_iter
);
946 if (muxer_upstream_notif_iter
->is_valid
||
947 !muxer_upstream_notif_iter
->notif_iter
) {
951 /* muxer_upstream_notif_iter_next() logs details/errors */
952 status
= muxer_upstream_notif_iter_next(muxer_upstream_notif_iter
);
959 enum bt_notification_iterator_status
validate_muxer_upstream_notif_iters(
960 struct muxer_notif_iter
*muxer_notif_iter
)
962 enum bt_notification_iterator_status status
=
963 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
966 BT_LOGV("Validating muxer's upstream notification iterator wrappers: "
967 "muxer-notif-iter-addr=%p", muxer_notif_iter
);
969 for (i
= 0; i
< muxer_notif_iter
->muxer_upstream_notif_iters
->len
; i
++) {
970 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
=
972 muxer_notif_iter
->muxer_upstream_notif_iters
,
975 status
= validate_muxer_upstream_notif_iter(
976 muxer_upstream_notif_iter
);
977 if (status
!= BT_NOTIFICATION_ITERATOR_STATUS_OK
) {
979 BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: "
980 "muxer-notif-iter-addr=%p, "
981 "muxer-upstream-notif-iter-wrap-addr=%p",
983 muxer_upstream_notif_iter
);
985 BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: "
986 "muxer-notif-iter-addr=%p, "
987 "muxer-upstream-notif-iter-wrap-addr=%p",
989 muxer_upstream_notif_iter
);
996 * Remove this muxer upstream notification iterator
997 * if it's ended or canceled.
999 if (!muxer_upstream_notif_iter
->notif_iter
) {
1001 * Use g_ptr_array_remove_fast() because the
1002 * order of those elements is not important.
1004 BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: "
1005 "muxer-notif-iter-addr=%p, "
1006 "muxer-upstream-notif-iter-wrap-addr=%p",
1007 muxer_notif_iter
, muxer_upstream_notif_iter
);
1008 g_ptr_array_remove_index_fast(
1009 muxer_notif_iter
->muxer_upstream_notif_iters
,
1020 struct bt_notification_iterator_next_method_return
muxer_notif_iter_do_next(
1021 struct muxer_comp
*muxer_comp
,
1022 struct muxer_notif_iter
*muxer_notif_iter
)
1024 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
= NULL
;
1025 struct bt_notification_iterator_next_method_return next_return
= {
1026 .notification
= NULL
,
1027 .status
= BT_NOTIFICATION_ITERATOR_STATUS_OK
,
1029 int64_t next_return_ts
;
1032 int ret
= muxer_notif_iter_handle_newly_connected_ports(
1036 BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: "
1037 "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1039 muxer_comp
, muxer_notif_iter
, ret
);
1040 next_return
.status
=
1041 BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
1045 next_return
.status
=
1046 validate_muxer_upstream_notif_iters(muxer_notif_iter
);
1047 if (next_return
.status
!= BT_NOTIFICATION_ITERATOR_STATUS_OK
) {
1048 /* validate_muxer_upstream_notif_iters() logs details */
1053 * At this point, we know that all the existing upstream
1054 * notification iterators are valid. However the
1055 * operations to validate them (during
1056 * validate_muxer_upstream_notif_iters()) may have
1057 * connected new ports. If no ports were connected
1058 * during this operation, exit the loop.
1060 if (!muxer_notif_iter
->newly_connected_priv_ports
) {
1061 BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: "
1062 "muxer-comp-addr=%p", muxer_comp
);
1067 BT_ASSERT(!muxer_notif_iter
->newly_connected_priv_ports
);
1070 * At this point we know that all the existing upstream
1071 * notification iterators are valid. We can find the one,
1072 * amongst those, of which the current notification is the
1075 next_return
.status
=
1076 muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp
,
1077 muxer_notif_iter
, &muxer_upstream_notif_iter
,
1079 if (next_return
.status
< 0 ||
1080 next_return
.status
== BT_NOTIFICATION_ITERATOR_STATUS_END
||
1081 next_return
.status
== BT_NOTIFICATION_ITERATOR_STATUS_CANCELED
) {
1082 if (next_return
.status
< 0) {
1083 BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: "
1085 bt_notification_iterator_status_string(next_return
.status
));
1087 BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: "
1089 bt_notification_iterator_status_string(next_return
.status
));
1095 if (next_return_ts
< muxer_notif_iter
->last_returned_ts_ns
) {
1096 BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: "
1097 "muxer-notif-iter-addr=%p, ts=%" PRId64
", "
1098 "last-returned-ts=%" PRId64
,
1099 muxer_notif_iter
, next_return_ts
,
1100 muxer_notif_iter
->last_returned_ts_ns
);
1101 next_return
.status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
1105 BT_LOGV("Found youngest upstream notification iterator wrapper: "
1106 "muxer-notif-iter-addr=%p, "
1107 "muxer-upstream-notif-iter-wrap-addr=%p, "
1109 muxer_notif_iter
, muxer_upstream_notif_iter
, next_return_ts
);
1110 BT_ASSERT(next_return
.status
== BT_NOTIFICATION_ITERATOR_STATUS_OK
);
1111 BT_ASSERT(muxer_upstream_notif_iter
);
1112 next_return
.notification
= bt_notification_iterator_get_notification(
1113 muxer_upstream_notif_iter
->notif_iter
);
1114 BT_ASSERT(next_return
.notification
);
1117 * We invalidate the upstream notification iterator so that, the
1118 * next time this function is called,
1119 * validate_muxer_upstream_notif_iters() will make it valid.
1121 muxer_upstream_notif_iter
->is_valid
= false;
1122 muxer_notif_iter
->last_returned_ts_ns
= next_return_ts
;
1129 void destroy_muxer_notif_iter(struct muxer_notif_iter
*muxer_notif_iter
)
1131 if (!muxer_notif_iter
) {
1135 BT_LOGD("Destroying muxer component's notification iterator: "
1136 "muxer-notif-iter-addr=%p", muxer_notif_iter
);
1138 if (muxer_notif_iter
->muxer_upstream_notif_iters
) {
1139 BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers.");
1141 muxer_notif_iter
->muxer_upstream_notif_iters
, TRUE
);
1144 g_list_free(muxer_notif_iter
->newly_connected_priv_ports
);
1145 g_free(muxer_notif_iter
);
1149 int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp
*muxer_comp
,
1150 struct muxer_notif_iter
*muxer_notif_iter
)
1152 struct bt_component
*comp
;
1158 * Add the connected input ports to this muxer notification
1159 * iterator's list of newly connected ports. They will be
1160 * handled by muxer_notif_iter_handle_newly_connected_ports().
1162 comp
= bt_component_from_private(muxer_comp
->priv_comp
);
1164 count
= bt_component_filter_get_input_port_count(comp
);
1166 BT_LOGD("No input port to initialize for muxer component's notification iterator: "
1167 "muxer-comp-addr=%p, muxer-notif-iter-addr=%p",
1168 muxer_comp
, muxer_notif_iter
);
1172 for (i
= 0; i
< count
; i
++) {
1173 struct bt_private_port
*priv_port
=
1174 bt_private_component_filter_get_input_private_port_by_index(
1175 muxer_comp
->priv_comp
, i
);
1176 struct bt_port
*port
;
1178 BT_ASSERT(priv_port
);
1179 port
= bt_port_from_private(priv_port
);
1182 if (!bt_port_is_connected(port
)) {
1183 BT_LOGD("Skipping input port: not connected: "
1184 "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"",
1185 muxer_comp
, port
, bt_port_get_name(port
));
1193 muxer_notif_iter
->newly_connected_priv_ports
=
1195 muxer_notif_iter
->newly_connected_priv_ports
,
1197 if (!muxer_notif_iter
->newly_connected_priv_ports
) {
1198 BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: "
1199 "port-addr=%p, port-name=\"%s\", "
1200 "muxer-notif-iter-addr=%p", port
,
1201 bt_port_get_name(port
), muxer_notif_iter
);
1206 BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: "
1207 "port-addr=%p, port-name=\"%s\", "
1208 "muxer-notif-iter-addr=%p", port
,
1209 bt_port_get_name(port
), muxer_notif_iter
);
1218 enum bt_notification_iterator_status
muxer_notif_iter_init(
1219 struct bt_private_connection_private_notification_iterator
*priv_notif_iter
,
1220 struct bt_private_port
*output_priv_port
)
1222 struct muxer_comp
*muxer_comp
= NULL
;
1223 struct muxer_notif_iter
*muxer_notif_iter
= NULL
;
1224 struct bt_private_component
*priv_comp
= NULL
;
1225 enum bt_notification_iterator_status status
=
1226 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
1229 priv_comp
= bt_private_connection_private_notification_iterator_get_private_component(
1231 BT_ASSERT(priv_comp
);
1232 muxer_comp
= bt_private_component_get_user_data(priv_comp
);
1233 BT_ASSERT(muxer_comp
);
1234 BT_LOGD("Initializing muxer component's notification iterator: "
1235 "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p",
1236 priv_comp
, muxer_comp
, priv_notif_iter
);
1238 if (muxer_comp
->initializing_muxer_notif_iter
) {
1240 * Weird, unhandled situation detected: downstream
1241 * creates a muxer notification iterator while creating
1242 * another muxer notification iterator (same component).
1244 BT_LOGE("Recursive initialization of muxer component's notification iterator: "
1245 "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p",
1246 priv_comp
, muxer_comp
, priv_notif_iter
);
1250 muxer_comp
->initializing_muxer_notif_iter
= true;
1251 muxer_notif_iter
= g_new0(struct muxer_notif_iter
, 1);
1252 if (!muxer_notif_iter
) {
1253 BT_LOGE_STR("Failed to allocate one muxer component's notification iterator.");
1257 muxer_notif_iter
->last_returned_ts_ns
= INT64_MIN
;
1258 muxer_notif_iter
->muxer_upstream_notif_iters
=
1259 g_ptr_array_new_with_free_func(
1260 (GDestroyNotify
) destroy_muxer_upstream_notif_iter
);
1261 if (!muxer_notif_iter
->muxer_upstream_notif_iters
) {
1262 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1267 * Add the muxer notification iterator to the component's array
1268 * of muxer notification iterators here because
1269 * muxer_notif_iter_init_newly_connected_ports() can cause
1270 * muxer_port_connected() to be called, which adds the newly
1271 * connected port to each muxer notification iterator's list of
1272 * newly connected ports.
1274 g_ptr_array_add(muxer_comp
->muxer_notif_iters
, muxer_notif_iter
);
1275 ret
= muxer_notif_iter_init_newly_connected_ports(muxer_comp
,
1278 BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: "
1279 "comp-addr=%p, muxer-comp-addr=%p, "
1280 "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d",
1281 priv_comp
, muxer_comp
, muxer_notif_iter
,
1282 priv_notif_iter
, ret
);
1286 ret
= bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter
,
1288 BT_ASSERT(ret
== 0);
1289 BT_LOGD("Initialized muxer component's notification iterator: "
1290 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1291 "notif-iter-addr=%p",
1292 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
);
1296 if (g_ptr_array_index(muxer_comp
->muxer_notif_iters
,
1297 muxer_comp
->muxer_notif_iters
->len
- 1) == muxer_notif_iter
) {
1298 g_ptr_array_remove_index(muxer_comp
->muxer_notif_iters
,
1299 muxer_comp
->muxer_notif_iters
->len
- 1);
1302 destroy_muxer_notif_iter(muxer_notif_iter
);
1303 ret
= bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter
,
1305 BT_ASSERT(ret
== 0);
1306 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
1309 muxer_comp
->initializing_muxer_notif_iter
= false;
1315 void muxer_notif_iter_finalize(
1316 struct bt_private_connection_private_notification_iterator
*priv_notif_iter
)
1318 struct muxer_notif_iter
*muxer_notif_iter
=
1319 bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter
);
1320 struct bt_private_component
*priv_comp
= NULL
;
1321 struct muxer_comp
*muxer_comp
= NULL
;
1323 priv_comp
= bt_private_connection_private_notification_iterator_get_private_component(
1325 BT_ASSERT(priv_comp
);
1326 muxer_comp
= bt_private_component_get_user_data(priv_comp
);
1327 BT_LOGD("Finalizing muxer component's notification iterator: "
1328 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1329 "notif-iter-addr=%p",
1330 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
);
1333 (void) g_ptr_array_remove_fast(muxer_comp
->muxer_notif_iters
,
1335 destroy_muxer_notif_iter(muxer_notif_iter
);
1342 struct bt_notification_iterator_next_method_return
muxer_notif_iter_next(
1343 struct bt_private_connection_private_notification_iterator
*priv_notif_iter
)
1345 struct bt_notification_iterator_next_method_return next_ret
;
1346 struct muxer_notif_iter
*muxer_notif_iter
=
1347 bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter
);
1348 struct bt_private_component
*priv_comp
= NULL
;
1349 struct muxer_comp
*muxer_comp
= NULL
;
1351 BT_ASSERT(muxer_notif_iter
);
1352 priv_comp
= bt_private_connection_private_notification_iterator_get_private_component(
1354 BT_ASSERT(priv_comp
);
1355 muxer_comp
= bt_private_component_get_user_data(priv_comp
);
1356 BT_ASSERT(muxer_comp
);
1358 BT_LOGV("Muxer component's notification iterator's \"next\" method called: "
1359 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1360 "notif-iter-addr=%p",
1361 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
);
1363 /* Are we in an error state set elsewhere? */
1364 if (unlikely(muxer_comp
->error
)) {
1365 BT_LOGE("Muxer component is already in an error state: returning BT_NOTIFICATION_ITERATOR_STATUS_ERROR: "
1366 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1367 "notif-iter-addr=%p",
1368 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
);
1369 next_ret
.notification
= NULL
;
1370 next_ret
.status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
1374 next_ret
= muxer_notif_iter_do_next(muxer_comp
, muxer_notif_iter
);
1375 if (next_ret
.status
< 0) {
1376 BT_LOGE("Cannot get next notification: "
1377 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1378 "notif-iter-addr=%p, status=%s",
1379 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
,
1380 bt_notification_iterator_status_string(next_ret
.status
));
1382 BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: "
1383 "status=%s, notif-addr=%p",
1384 bt_notification_iterator_status_string(next_ret
.status
),
1385 next_ret
.notification
);
1394 void muxer_port_connected(
1395 struct bt_private_component
*priv_comp
,
1396 struct bt_private_port
*self_private_port
,
1397 struct bt_port
*other_port
)
1399 struct bt_port
*self_port
=
1400 bt_port_from_private(self_private_port
);
1401 struct muxer_comp
*muxer_comp
=
1402 bt_private_component_get_user_data(priv_comp
);
1406 BT_ASSERT(self_port
);
1407 BT_ASSERT(muxer_comp
);
1408 BT_LOGD("Port connected: "
1409 "comp-addr=%p, muxer-comp-addr=%p, "
1410 "port-addr=%p, port-name=\"%s\", "
1411 "other-port-addr=%p, other-port-name=\"%s\"",
1412 priv_comp
, muxer_comp
, self_port
, bt_port_get_name(self_port
),
1413 other_port
, bt_port_get_name(other_port
));
1415 if (bt_port_get_type(self_port
) == BT_PORT_TYPE_OUTPUT
) {
1419 for (i
= 0; i
< muxer_comp
->muxer_notif_iters
->len
; i
++) {
1420 struct muxer_notif_iter
*muxer_notif_iter
=
1421 g_ptr_array_index(muxer_comp
->muxer_notif_iters
, i
);
1424 * Add this port to the list of newly connected ports
1425 * for this muxer notification iterator. We append at
1426 * the end of this list while
1427 * muxer_notif_iter_handle_newly_connected_ports()
1428 * removes the nodes from the beginning.
1430 muxer_notif_iter
->newly_connected_priv_ports
=
1432 muxer_notif_iter
->newly_connected_priv_ports
,
1434 if (!muxer_notif_iter
->newly_connected_priv_ports
) {
1435 BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: "
1436 "port-addr=%p, port-name=\"%s\", "
1437 "muxer-notif-iter-addr=%p", self_port
,
1438 bt_port_get_name(self_port
), muxer_notif_iter
);
1439 muxer_comp
->error
= true;
1443 BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: "
1444 "port-addr=%p, port-name=\"%s\", "
1445 "muxer-notif-iter-addr=%p", self_port
,
1446 bt_port_get_name(self_port
), muxer_notif_iter
);
1449 /* One less available input port */
1450 muxer_comp
->available_input_ports
--;
1451 ret
= ensure_available_input_port(priv_comp
);
1454 * Only way to report an error later since this
1455 * method does not return anything.
1457 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
1458 "muxer-comp-addr=%p, status=%s",
1459 muxer_comp
, bt_component_status_string(ret
));
1460 muxer_comp
->error
= true;
1469 void muxer_port_disconnected(struct bt_private_component
*priv_comp
,
1470 struct bt_private_port
*priv_port
)
1472 struct bt_port
*port
= bt_port_from_private(priv_port
);
1473 struct muxer_comp
*muxer_comp
=
1474 bt_private_component_get_user_data(priv_comp
);
1477 BT_ASSERT(muxer_comp
);
1478 BT_LOGD("Port disconnected: "
1479 "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, "
1480 "port-name=\"%s\"", priv_comp
, muxer_comp
,
1481 port
, bt_port_get_name(port
));
1484 * There's nothing special to do when a port is disconnected
1485 * because this component deals with upstream notification
1486 * iterators which were already created thanks to connected
1487 * ports. The fact that the port is disconnected does not cancel
1488 * the upstream notification iterators created using its
1489 * connection: they still exist, even if the connection is dead.
1490 * The only way to remove an upstream notification iterator is
1491 * for its "next" operation to return
1492 * BT_NOTIFICATION_ITERATOR_STATUS_END.
1494 if (bt_port_get_type(port
) == BT_PORT_TYPE_INPUT
) {
1495 /* One more available input port */
1496 muxer_comp
->available_input_ports
++;
1497 BT_LOGD("Leaving disconnected input port available for future connections: "
1498 "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, "
1499 "port-name=\"%s\", avail-input-port-count=%zu",
1500 priv_comp
, muxer_comp
, port
, bt_port_get_name(port
),
1501 muxer_comp
->available_input_ports
);