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
;
55 bool initializing_muxer_notif_iter
;
56 bool assume_absolute_clock_classes
;
59 struct muxer_upstream_notif_iter
{
60 /* Owned by this, NULL if ended */
61 struct bt_notification_iterator
*notif_iter
;
63 /* Contains `struct bt_notification *`, owned by this */
67 enum muxer_notif_iter_clock_class_expectation
{
68 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY
= 0,
69 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
,
70 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
,
71 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
,
74 struct muxer_notif_iter
{
76 * Array of struct muxer_upstream_notif_iter * (owned by this).
78 * NOTE: This array is searched in linearly to find the youngest
79 * current notification. Keep this until benchmarks confirm that
80 * another data structure is faster than this for our typical
83 GPtrArray
*muxer_upstream_notif_iters
;
86 * List of "recently" connected input ports (weak) to
87 * handle by this muxer notification iterator.
88 * muxer_port_connected() adds entries to this list, and the
89 * entries are removed when a notification iterator is created
90 * on the port's connection and put into
91 * muxer_upstream_notif_iters above by
92 * muxer_notif_iter_handle_newly_connected_ports().
94 GList
*newly_connected_priv_ports
;
96 /* Last time returned in a notification */
97 int64_t last_returned_ts_ns
;
99 /* Clock class expectation state */
100 enum muxer_notif_iter_clock_class_expectation clock_class_expectation
;
103 * Expected clock class UUID, only valid when
104 * clock_class_expectation is
105 * MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID.
107 unsigned char expected_clock_class_uuid
[BABELTRACE_UUID_LEN
];
111 void destroy_muxer_upstream_notif_iter(
112 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
)
114 if (!muxer_upstream_notif_iter
) {
118 BT_LOGD("Destroying muxer's upstream notification iterator wrapper: "
119 "addr=%p, notif-iter-addr=%p, queue-len=%u",
120 muxer_upstream_notif_iter
,
121 muxer_upstream_notif_iter
->notif_iter
,
122 muxer_upstream_notif_iter
->notifs
->length
);
123 bt_object_put_ref(muxer_upstream_notif_iter
->notif_iter
);
125 if (muxer_upstream_notif_iter
->notifs
) {
126 struct bt_notification
*notif
;
128 while ((notif
= g_queue_pop_head(
129 muxer_upstream_notif_iter
->notifs
))) {
130 bt_object_put_ref(notif
);
133 g_queue_free(muxer_upstream_notif_iter
->notifs
);
136 g_free(muxer_upstream_notif_iter
);
140 struct muxer_upstream_notif_iter
*muxer_notif_iter_add_upstream_notif_iter(
141 struct muxer_notif_iter
*muxer_notif_iter
,
142 struct bt_notification_iterator
*notif_iter
,
143 struct bt_private_port
*priv_port
)
145 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
=
146 g_new0(struct muxer_upstream_notif_iter
, 1);
148 if (!muxer_upstream_notif_iter
) {
149 BT_LOGE_STR("Failed to allocate one muxer's upstream notification iterator wrapper.");
153 muxer_upstream_notif_iter
->notif_iter
= bt_object_get_ref(notif_iter
);
154 muxer_upstream_notif_iter
->notifs
= g_queue_new();
155 if (!muxer_upstream_notif_iter
->notifs
) {
156 BT_LOGE_STR("Failed to allocate a GQueue.");
161 g_ptr_array_add(muxer_notif_iter
->muxer_upstream_notif_iters
,
162 muxer_upstream_notif_iter
);
163 BT_LOGD("Added muxer's upstream notification iterator wrapper: "
164 "addr=%p, muxer-notif-iter-addr=%p, notif-iter-addr=%p",
165 muxer_upstream_notif_iter
, muxer_notif_iter
,
169 return muxer_upstream_notif_iter
;
173 enum bt_component_status
ensure_available_input_port(
174 struct bt_private_component
*priv_comp
)
176 struct muxer_comp
*muxer_comp
=
177 bt_private_component_get_user_data(priv_comp
);
178 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
179 GString
*port_name
= NULL
;
181 BT_ASSERT(muxer_comp
);
183 if (muxer_comp
->available_input_ports
>= 1) {
187 port_name
= g_string_new("in");
189 BT_LOGE_STR("Failed to allocate a GString.");
190 status
= BT_COMPONENT_STATUS_NOMEM
;
194 g_string_append_printf(port_name
, "%u", muxer_comp
->next_port_num
);
195 status
= bt_private_component_filter_add_input_private_port(
196 priv_comp
, port_name
->str
, NULL
, NULL
);
197 if (status
!= BT_COMPONENT_STATUS_OK
) {
198 BT_LOGE("Cannot add input port to muxer component: "
199 "port-name=\"%s\", comp-addr=%p, status=%s",
200 port_name
->str
, priv_comp
,
201 bt_component_status_string(status
));
205 muxer_comp
->available_input_ports
++;
206 muxer_comp
->next_port_num
++;
207 BT_LOGD("Added one input port to muxer component: "
208 "port-name=\"%s\", comp-addr=%p",
209 port_name
->str
, priv_comp
);
212 g_string_free(port_name
, TRUE
);
219 enum bt_component_status
create_output_port(
220 struct bt_private_component
*priv_comp
)
222 return bt_private_component_filter_add_output_private_port(
223 priv_comp
, "out", NULL
, NULL
);
227 void destroy_muxer_comp(struct muxer_comp
*muxer_comp
)
233 BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, "
234 "muxer-notif-iter-count=%u", muxer_comp
,
235 muxer_comp
->muxer_notif_iters
?
236 muxer_comp
->muxer_notif_iters
->len
: 0);
238 if (muxer_comp
->muxer_notif_iters
) {
239 g_ptr_array_free(muxer_comp
->muxer_notif_iters
, TRUE
);
246 struct bt_value
*get_default_params(void)
248 struct bt_value
*params
;
251 params
= bt_value_map_create();
253 BT_LOGE_STR("Cannot create a map value object.");
257 ret
= bt_value_map_insert_bool_entry(params
,
258 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, false);
260 BT_LOGE_STR("Cannot add boolean value to map value object.");
267 BT_OBJECT_PUT_REF_AND_RESET(params
);
274 int configure_muxer_comp(struct muxer_comp
*muxer_comp
, struct bt_value
*params
)
276 struct bt_value
*default_params
= NULL
;
277 struct bt_value
*real_params
= NULL
;
278 struct bt_value
*assume_absolute_clock_classes
= NULL
;
282 default_params
= get_default_params();
283 if (!default_params
) {
284 BT_LOGE("Cannot get default parameters: "
285 "muxer-comp-addr=%p", muxer_comp
);
289 real_params
= bt_value_map_extend(default_params
, params
);
291 BT_LOGE("Cannot extend default parameters map value: "
292 "muxer-comp-addr=%p, def-params-addr=%p, "
293 "params-addr=%p", muxer_comp
, default_params
,
298 assume_absolute_clock_classes
= bt_value_map_borrow_entry_value(real_params
,
299 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
);
300 if (assume_absolute_clock_classes
&&
301 !bt_value_is_bool(assume_absolute_clock_classes
)) {
302 BT_LOGE("Expecting a boolean value for the `%s` parameter: "
303 "muxer-comp-addr=%p, value-type=%s",
304 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, muxer_comp
,
305 bt_value_type_string(
306 bt_value_get_type(assume_absolute_clock_classes
)));
310 ret
= bt_value_bool_get(assume_absolute_clock_classes
, &bool_val
);
312 muxer_comp
->assume_absolute_clock_classes
= (bool) bool_val
;
313 BT_LOGD("Configured muxer component: muxer-comp-addr=%p, "
314 "assume-absolute-clock-classes=%d",
315 muxer_comp
, muxer_comp
->assume_absolute_clock_classes
);
322 bt_object_put_ref(default_params
);
323 bt_object_put_ref(real_params
);
328 enum bt_component_status
muxer_init(
329 struct bt_private_component
*priv_comp
,
330 struct bt_value
*params
, void *init_data
)
333 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
334 struct muxer_comp
*muxer_comp
= g_new0(struct muxer_comp
, 1);
336 BT_LOGD("Initializing muxer component: "
337 "comp-addr=%p, params-addr=%p", priv_comp
, params
);
340 BT_LOGE_STR("Failed to allocate one muxer component.");
344 ret
= configure_muxer_comp(muxer_comp
, params
);
346 BT_LOGE("Cannot configure muxer component: "
347 "muxer-comp-addr=%p, params-addr=%p",
352 muxer_comp
->muxer_notif_iters
= g_ptr_array_new();
353 if (!muxer_comp
->muxer_notif_iters
) {
354 BT_LOGE_STR("Failed to allocate a GPtrArray.");
358 muxer_comp
->priv_comp
= priv_comp
;
359 ret
= bt_private_component_set_user_data(priv_comp
, muxer_comp
);
361 status
= ensure_available_input_port(priv_comp
);
362 if (status
!= BT_COMPONENT_STATUS_OK
) {
363 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
364 "muxer-comp-addr=%p, status=%s",
366 bt_component_status_string(status
));
370 status
= create_output_port(priv_comp
);
372 BT_LOGE("Cannot create muxer component's output port: "
373 "muxer-comp-addr=%p, status=%s",
375 bt_component_status_string(status
));
379 BT_LOGD("Initialized muxer component: "
380 "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
381 priv_comp
, params
, muxer_comp
);
386 destroy_muxer_comp(muxer_comp
);
387 ret
= bt_private_component_set_user_data(priv_comp
, NULL
);
390 if (status
== BT_COMPONENT_STATUS_OK
) {
391 status
= BT_COMPONENT_STATUS_ERROR
;
399 void muxer_finalize(struct bt_private_component
*priv_comp
)
401 struct muxer_comp
*muxer_comp
=
402 bt_private_component_get_user_data(priv_comp
);
404 BT_LOGD("Finalizing muxer component: comp-addr=%p",
406 destroy_muxer_comp(muxer_comp
);
410 struct bt_notification_iterator
*create_notif_iter_on_input_port(
411 struct bt_private_port
*priv_port
, int *ret
)
413 struct bt_port
*port
= bt_port_borrow_from_private(priv_port
);
414 struct bt_notification_iterator
*notif_iter
= NULL
;
415 struct bt_private_connection
*priv_conn
= NULL
;
416 enum bt_connection_status conn_status
;
421 BT_ASSERT(bt_port_is_connected(port
));
422 priv_conn
= bt_private_port_get_private_connection(priv_port
);
423 BT_ASSERT(priv_conn
);
425 // TODO: Advance the iterator to >= the time of the latest
426 // returned notification by the muxer notification
427 // iterator which creates it.
428 conn_status
= bt_private_connection_create_notification_iterator(
429 priv_conn
, ¬if_iter
);
430 if (conn_status
!= BT_CONNECTION_STATUS_OK
) {
431 BT_LOGE("Cannot create upstream notification iterator on input port's connection: "
432 "port-addr=%p, port-name=\"%s\", conn-addr=%p, "
434 port
, bt_port_get_name(port
), priv_conn
,
435 bt_connection_status_string(conn_status
));
440 BT_LOGD("Created upstream notification iterator on input port's connection: "
441 "port-addr=%p, port-name=\"%s\", conn-addr=%p, "
442 "notif-iter-addr=%p",
443 port
, bt_port_get_name(port
), priv_conn
, notif_iter
);
446 bt_object_put_ref(priv_conn
);
451 enum bt_notification_iterator_status
muxer_upstream_notif_iter_next(
452 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
)
454 enum bt_notification_iterator_status status
;
455 bt_notification_array notifs
;
459 BT_LOGV("Calling upstream notification iterator's \"next\" method: "
460 "muxer-upstream-notif-iter-wrap-addr=%p, notif-iter-addr=%p",
461 muxer_upstream_notif_iter
,
462 muxer_upstream_notif_iter
->notif_iter
);
463 status
= bt_private_connection_notification_iterator_next(
464 muxer_upstream_notif_iter
->notif_iter
, ¬ifs
, &count
);
465 BT_LOGV("Upstream notification iterator's \"next\" method returned: "
466 "status=%s", bt_notification_iterator_status_string(status
));
469 case BT_NOTIFICATION_ITERATOR_STATUS_OK
:
471 * Notification iterator's current notification is
472 * valid: it must be considered for muxing operations.
474 BT_LOGV_STR("Validated upstream notification iterator wrapper.");
475 BT_ASSERT(count
> 0);
477 /* Move notifications to our queue */
478 for (i
= 0; i
< count
; i
++) {
480 * Push to tail in order; other side
481 * (muxer_notif_iter_do_next_one()) consumes
482 * from the head first.
484 g_queue_push_tail(muxer_upstream_notif_iter
->notifs
,
488 case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN
:
490 * Notification iterator's current notification is not
491 * valid anymore. Return
492 * BT_NOTIFICATION_ITERATOR_STATUS_AGAIN immediately.
495 case BT_NOTIFICATION_ITERATOR_STATUS_END
: /* Fall-through. */
496 case BT_NOTIFICATION_ITERATOR_STATUS_CANCELED
:
498 * Notification iterator reached the end: release it. It
499 * won't be considered again to find the youngest
502 BT_OBJECT_PUT_REF_AND_RESET(muxer_upstream_notif_iter
->notif_iter
);
503 status
= BT_NOTIFICATION_ITERATOR_STATUS_OK
;
506 /* Error or unsupported status code */
507 BT_LOGE("Error or unsupported status code: "
508 "status-code=%d", status
);
509 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
517 int muxer_notif_iter_handle_newly_connected_ports(
518 struct muxer_notif_iter
*muxer_notif_iter
)
522 BT_LOGV("Handling newly connected ports: "
523 "muxer-notif-iter-addr=%p", muxer_notif_iter
);
526 * Here we create one upstream notification iterator for each
527 * newly connected port. We do NOT perform an initial "next" on
528 * those new upstream notification iterators: they are
529 * invalidated, to be validated later. The list of newly
530 * connected ports to handle here is updated by
531 * muxer_port_connected().
534 GList
*node
= muxer_notif_iter
->newly_connected_priv_ports
;
535 struct bt_private_port
*priv_port
;
536 struct bt_port
*port
;
537 struct bt_notification_iterator
*upstream_notif_iter
= NULL
;
538 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
;
544 priv_port
= node
->data
;
545 port
= bt_port_borrow_from_private(priv_port
);
548 if (!bt_port_is_connected(port
)) {
550 * Looks like this port is not connected
551 * anymore: we can't create an upstream
552 * notification iterator on its (non-existing)
553 * connection in this case.
558 upstream_notif_iter
= create_notif_iter_on_input_port(priv_port
,
561 /* create_notif_iter_on_input_port() logs errors */
562 BT_ASSERT(!upstream_notif_iter
);
566 muxer_upstream_notif_iter
=
567 muxer_notif_iter_add_upstream_notif_iter(
568 muxer_notif_iter
, upstream_notif_iter
,
570 BT_OBJECT_PUT_REF_AND_RESET(upstream_notif_iter
);
571 if (!muxer_upstream_notif_iter
) {
573 * muxer_notif_iter_add_upstream_notif_iter()
580 bt_object_put_ref(upstream_notif_iter
);
581 muxer_notif_iter
->newly_connected_priv_ports
=
583 muxer_notif_iter
->newly_connected_priv_ports
,
599 int get_notif_ts_ns(struct muxer_comp
*muxer_comp
,
600 struct muxer_notif_iter
*muxer_notif_iter
,
601 struct bt_notification
*notif
, int64_t last_returned_ts_ns
,
604 struct bt_clock_class
*clock_class
= NULL
;
605 struct bt_clock_value
*clock_value
= NULL
;
606 struct bt_event
*event
= NULL
;
608 const unsigned char *cc_uuid
;
610 enum bt_clock_value_status cv_status
= BT_CLOCK_VALUE_STATUS_KNOWN
;
615 BT_LOGV("Getting notification's timestamp: "
616 "muxer-notif-iter-addr=%p, notif-addr=%p, "
617 "last-returned-ts=%" PRId64
,
618 muxer_notif_iter
, notif
, last_returned_ts_ns
);
620 switch (bt_notification_get_type(notif
)) {
621 case BT_NOTIFICATION_TYPE_EVENT
:
622 event
= bt_notification_event_borrow_event(notif
);
624 cv_status
= bt_event_borrow_default_clock_value(event
,
628 case BT_NOTIFICATION_TYPE_INACTIVITY
:
630 bt_notification_inactivity_borrow_default_clock_value(
634 /* All the other notifications have a higher priority */
635 BT_LOGV_STR("Notification has no timestamp: using the last returned timestamp.");
636 *ts_ns
= last_returned_ts_ns
;
640 if (cv_status
!= BT_CLOCK_VALUE_STATUS_KNOWN
) {
641 BT_LOGE_STR("Unsupported unknown clock value.");
647 * If the clock value is missing, then we consider that this
648 * notification has no time. In this case it's always the
652 BT_LOGV_STR("Notification's default clock value is missing: "
653 "using the last returned timestamp.");
654 *ts_ns
= last_returned_ts_ns
;
658 clock_class
= bt_clock_value_borrow_clock_class(clock_value
);
659 BT_ASSERT(clock_class
);
660 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
661 cc_name
= bt_clock_class_get_name(clock_class
);
663 if (muxer_notif_iter
->clock_class_expectation
==
664 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
666 * This is the first clock class that this muxer
667 * notification iterator encounters. Its properties
668 * determine what to expect for the whole lifetime of
669 * the iterator without a true
670 * `assume-absolute-clock-classes` parameter.
672 if (bt_clock_class_is_absolute(clock_class
)) {
673 /* Expect absolute clock classes */
674 muxer_notif_iter
->clock_class_expectation
=
675 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
679 * Expect non-absolute clock classes
680 * with a specific UUID.
682 muxer_notif_iter
->clock_class_expectation
=
683 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
684 memcpy(muxer_notif_iter
->expected_clock_class_uuid
,
685 cc_uuid
, BABELTRACE_UUID_LEN
);
688 * Expect non-absolute clock classes
691 muxer_notif_iter
->clock_class_expectation
=
692 MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
697 if (!muxer_comp
->assume_absolute_clock_classes
) {
698 switch (muxer_notif_iter
->clock_class_expectation
) {
699 case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
700 if (!bt_clock_class_is_absolute(clock_class
)) {
701 BT_LOGE("Expecting an absolute clock class, "
702 "but got a non-absolute one: "
703 "clock-class-addr=%p, clock-class-name=\"%s\"",
704 clock_class
, cc_name
);
708 case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
709 if (bt_clock_class_is_absolute(clock_class
)) {
710 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
711 "but got an absolute one: "
712 "clock-class-addr=%p, clock-class-name=\"%s\"",
713 clock_class
, cc_name
);
718 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
719 "but got one with a UUID: "
720 "clock-class-addr=%p, clock-class-name=\"%s\", "
721 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
722 clock_class
, cc_name
,
723 (unsigned int) cc_uuid
[0],
724 (unsigned int) cc_uuid
[1],
725 (unsigned int) cc_uuid
[2],
726 (unsigned int) cc_uuid
[3],
727 (unsigned int) cc_uuid
[4],
728 (unsigned int) cc_uuid
[5],
729 (unsigned int) cc_uuid
[6],
730 (unsigned int) cc_uuid
[7],
731 (unsigned int) cc_uuid
[8],
732 (unsigned int) cc_uuid
[9],
733 (unsigned int) cc_uuid
[10],
734 (unsigned int) cc_uuid
[11],
735 (unsigned int) cc_uuid
[12],
736 (unsigned int) cc_uuid
[13],
737 (unsigned int) cc_uuid
[14],
738 (unsigned int) cc_uuid
[15]);
742 case MUXER_NOTIF_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
743 if (bt_clock_class_is_absolute(clock_class
)) {
744 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
745 "but got an absolute one: "
746 "clock-class-addr=%p, clock-class-name=\"%s\"",
747 clock_class
, cc_name
);
752 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
753 "but got one with no UUID: "
754 "clock-class-addr=%p, clock-class-name=\"%s\"",
755 clock_class
, cc_name
);
759 if (memcmp(muxer_notif_iter
->expected_clock_class_uuid
,
760 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
761 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
762 "but got one with different UUID: "
763 "clock-class-addr=%p, clock-class-name=\"%s\", "
764 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
765 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
766 clock_class
, cc_name
,
767 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[0],
768 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[1],
769 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[2],
770 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[3],
771 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[4],
772 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[5],
773 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[6],
774 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[7],
775 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[8],
776 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[9],
777 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[10],
778 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[11],
779 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[12],
780 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[13],
781 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[14],
782 (unsigned int) muxer_notif_iter
->expected_clock_class_uuid
[15],
783 (unsigned int) cc_uuid
[0],
784 (unsigned int) cc_uuid
[1],
785 (unsigned int) cc_uuid
[2],
786 (unsigned int) cc_uuid
[3],
787 (unsigned int) cc_uuid
[4],
788 (unsigned int) cc_uuid
[5],
789 (unsigned int) cc_uuid
[6],
790 (unsigned int) cc_uuid
[7],
791 (unsigned int) cc_uuid
[8],
792 (unsigned int) cc_uuid
[9],
793 (unsigned int) cc_uuid
[10],
794 (unsigned int) cc_uuid
[11],
795 (unsigned int) cc_uuid
[12],
796 (unsigned int) cc_uuid
[13],
797 (unsigned int) cc_uuid
[14],
798 (unsigned int) cc_uuid
[15]);
804 BT_LOGF("Unexpected clock class expectation: "
805 "expectation-code=%d",
806 muxer_notif_iter
->clock_class_expectation
);
811 ret
= bt_clock_value_get_ns_from_origin(clock_value
, ts_ns
);
813 BT_LOGE("Cannot get nanoseconds from Epoch of clock value: "
814 "clock-value-addr=%p", clock_value
);
825 BT_LOGV("Found notification's timestamp: "
826 "muxer-notif-iter-addr=%p, notif-addr=%p, "
827 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
828 muxer_notif_iter
, notif
, last_returned_ts_ns
,
836 * This function finds the youngest available notification amongst the
837 * non-ended upstream notification iterators and returns the upstream
838 * notification iterator which has it, or
839 * BT_NOTIFICATION_ITERATOR_STATUS_END if there's no available
842 * This function does NOT:
844 * * Update any upstream notification iterator.
845 * * Check for newly connected ports.
846 * * Check the upstream notification iterators to retry.
848 * On sucess, this function sets *muxer_upstream_notif_iter to the
849 * upstream notification iterator of which the current notification is
850 * the youngest, and sets *ts_ns to its time.
853 enum bt_notification_iterator_status
854 muxer_notif_iter_youngest_upstream_notif_iter(
855 struct muxer_comp
*muxer_comp
,
856 struct muxer_notif_iter
*muxer_notif_iter
,
857 struct muxer_upstream_notif_iter
**muxer_upstream_notif_iter
,
862 int64_t youngest_ts_ns
= INT64_MAX
;
863 enum bt_notification_iterator_status status
=
864 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
866 BT_ASSERT(muxer_comp
);
867 BT_ASSERT(muxer_notif_iter
);
868 BT_ASSERT(muxer_upstream_notif_iter
);
869 *muxer_upstream_notif_iter
= NULL
;
871 for (i
= 0; i
< muxer_notif_iter
->muxer_upstream_notif_iters
->len
; i
++) {
872 struct bt_notification
*notif
;
873 struct muxer_upstream_notif_iter
*cur_muxer_upstream_notif_iter
=
874 g_ptr_array_index(muxer_notif_iter
->muxer_upstream_notif_iters
, i
);
877 if (!cur_muxer_upstream_notif_iter
->notif_iter
) {
878 /* This upstream notification iterator is ended */
879 BT_LOGV("Skipping ended upstream notification iterator: "
880 "muxer-upstream-notif-iter-wrap-addr=%p",
881 cur_muxer_upstream_notif_iter
);
885 BT_ASSERT(cur_muxer_upstream_notif_iter
->notifs
->length
> 0);
886 notif
= g_queue_peek_head(cur_muxer_upstream_notif_iter
->notifs
);
888 ret
= get_notif_ts_ns(muxer_comp
, muxer_notif_iter
, notif
,
889 muxer_notif_iter
->last_returned_ts_ns
, ¬if_ts_ns
);
891 /* get_notif_ts_ns() logs errors */
892 *muxer_upstream_notif_iter
= NULL
;
893 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
897 if (notif_ts_ns
<= youngest_ts_ns
) {
898 *muxer_upstream_notif_iter
=
899 cur_muxer_upstream_notif_iter
;
900 youngest_ts_ns
= notif_ts_ns
;
901 *ts_ns
= youngest_ts_ns
;
905 if (!*muxer_upstream_notif_iter
) {
906 status
= BT_NOTIFICATION_ITERATOR_STATUS_END
;
915 enum bt_notification_iterator_status
validate_muxer_upstream_notif_iter(
916 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
)
918 enum bt_notification_iterator_status status
=
919 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
921 BT_LOGV("Validating muxer's upstream notification iterator wrapper: "
922 "muxer-upstream-notif-iter-wrap-addr=%p",
923 muxer_upstream_notif_iter
);
925 if (muxer_upstream_notif_iter
->notifs
->length
> 0 ||
926 !muxer_upstream_notif_iter
->notif_iter
) {
927 BT_LOGV("Already valid or not considered: "
928 "queue-len=%u, upstream-notif-iter-addr=%p",
929 muxer_upstream_notif_iter
->notifs
->length
,
930 muxer_upstream_notif_iter
->notif_iter
);
934 /* muxer_upstream_notif_iter_next() logs details/errors */
935 status
= muxer_upstream_notif_iter_next(muxer_upstream_notif_iter
);
942 enum bt_notification_iterator_status
validate_muxer_upstream_notif_iters(
943 struct muxer_notif_iter
*muxer_notif_iter
)
945 enum bt_notification_iterator_status status
=
946 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
949 BT_LOGV("Validating muxer's upstream notification iterator wrappers: "
950 "muxer-notif-iter-addr=%p", muxer_notif_iter
);
952 for (i
= 0; i
< muxer_notif_iter
->muxer_upstream_notif_iters
->len
; i
++) {
953 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
=
955 muxer_notif_iter
->muxer_upstream_notif_iters
,
958 status
= validate_muxer_upstream_notif_iter(
959 muxer_upstream_notif_iter
);
960 if (status
!= BT_NOTIFICATION_ITERATOR_STATUS_OK
) {
962 BT_LOGE("Cannot validate muxer's upstream notification iterator wrapper: "
963 "muxer-notif-iter-addr=%p, "
964 "muxer-upstream-notif-iter-wrap-addr=%p",
966 muxer_upstream_notif_iter
);
968 BT_LOGV("Cannot validate muxer's upstream notification iterator wrapper: "
969 "muxer-notif-iter-addr=%p, "
970 "muxer-upstream-notif-iter-wrap-addr=%p",
972 muxer_upstream_notif_iter
);
979 * Remove this muxer upstream notification iterator
980 * if it's ended or canceled.
982 if (!muxer_upstream_notif_iter
->notif_iter
) {
984 * Use g_ptr_array_remove_fast() because the
985 * order of those elements is not important.
987 BT_LOGV("Removing muxer's upstream notification iterator wrapper: ended or canceled: "
988 "muxer-notif-iter-addr=%p, "
989 "muxer-upstream-notif-iter-wrap-addr=%p",
990 muxer_notif_iter
, muxer_upstream_notif_iter
);
991 g_ptr_array_remove_index_fast(
992 muxer_notif_iter
->muxer_upstream_notif_iters
,
1003 enum bt_notification_iterator_status
muxer_notif_iter_do_next_one(
1004 struct muxer_comp
*muxer_comp
,
1005 struct muxer_notif_iter
*muxer_notif_iter
,
1006 struct bt_notification
**notif
)
1008 enum bt_notification_iterator_status status
=
1009 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
1010 struct muxer_upstream_notif_iter
*muxer_upstream_notif_iter
= NULL
;
1011 int64_t next_return_ts
;
1014 int ret
= muxer_notif_iter_handle_newly_connected_ports(
1018 BT_LOGE("Cannot handle newly connected input ports for muxer's notification iterator: "
1019 "muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1021 muxer_comp
, muxer_notif_iter
, ret
);
1022 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
1026 status
= validate_muxer_upstream_notif_iters(muxer_notif_iter
);
1027 if (status
!= BT_NOTIFICATION_ITERATOR_STATUS_OK
) {
1028 /* validate_muxer_upstream_notif_iters() logs details */
1033 * At this point, we know that all the existing upstream
1034 * notification iterators are valid. However the
1035 * operations to validate them (during
1036 * validate_muxer_upstream_notif_iters()) may have
1037 * connected new ports. If no ports were connected
1038 * during this operation, exit the loop.
1040 if (!muxer_notif_iter
->newly_connected_priv_ports
) {
1041 BT_LOGV("Not breaking this loop: muxer's notification iterator still has newly connected input ports to handle: "
1042 "muxer-comp-addr=%p", muxer_comp
);
1047 BT_ASSERT(!muxer_notif_iter
->newly_connected_priv_ports
);
1050 * At this point we know that all the existing upstream
1051 * notification iterators are valid. We can find the one,
1052 * amongst those, of which the current notification is the
1055 status
= muxer_notif_iter_youngest_upstream_notif_iter(muxer_comp
,
1056 muxer_notif_iter
, &muxer_upstream_notif_iter
,
1058 if (status
< 0 || status
== BT_NOTIFICATION_ITERATOR_STATUS_END
||
1059 status
== BT_NOTIFICATION_ITERATOR_STATUS_CANCELED
) {
1061 BT_LOGE("Cannot find the youngest upstream notification iterator wrapper: "
1063 bt_notification_iterator_status_string(status
));
1065 BT_LOGV("Cannot find the youngest upstream notification iterator wrapper: "
1067 bt_notification_iterator_status_string(status
));
1073 if (next_return_ts
< muxer_notif_iter
->last_returned_ts_ns
) {
1074 BT_LOGE("Youngest upstream notification iterator wrapper's timestamp is less than muxer's notification iterator's last returned timestamp: "
1075 "muxer-notif-iter-addr=%p, ts=%" PRId64
", "
1076 "last-returned-ts=%" PRId64
,
1077 muxer_notif_iter
, next_return_ts
,
1078 muxer_notif_iter
->last_returned_ts_ns
);
1079 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
1083 BT_LOGV("Found youngest upstream notification iterator wrapper: "
1084 "muxer-notif-iter-addr=%p, "
1085 "muxer-upstream-notif-iter-wrap-addr=%p, "
1087 muxer_notif_iter
, muxer_upstream_notif_iter
, next_return_ts
);
1088 BT_ASSERT(status
== BT_NOTIFICATION_ITERATOR_STATUS_OK
);
1089 BT_ASSERT(muxer_upstream_notif_iter
);
1092 * Consume from the queue's head: other side
1093 * (muxer_upstream_notif_iter_next()) writes to the tail.
1095 *notif
= g_queue_pop_head(muxer_upstream_notif_iter
->notifs
);
1097 muxer_notif_iter
->last_returned_ts_ns
= next_return_ts
;
1104 enum bt_notification_iterator_status
muxer_notif_iter_do_next(
1105 struct muxer_comp
*muxer_comp
,
1106 struct muxer_notif_iter
*muxer_notif_iter
,
1107 bt_notification_array notifs
, uint64_t capacity
,
1110 enum bt_notification_iterator_status status
=
1111 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
1114 while (i
< capacity
&& status
== BT_NOTIFICATION_ITERATOR_STATUS_OK
) {
1115 status
= muxer_notif_iter_do_next_one(muxer_comp
,
1116 muxer_notif_iter
, ¬ifs
[i
]);
1117 if (status
== BT_NOTIFICATION_ITERATOR_STATUS_OK
) {
1124 * Even if muxer_notif_iter_do_next_one() returned
1125 * something else than
1126 * BT_NOTIFICATION_ITERATOR_STATUS_OK, we accumulated
1127 * notification objects in the output notification
1128 * array, so we need to return
1129 * BT_NOTIFICATION_ITERATOR_STATUS_OK so that they are
1130 * transfered to downstream. This other status occurs
1131 * again the next time muxer_notif_iter_do_next() is
1132 * called, possibly without any accumulated
1133 * notification, in which case we'll return it.
1136 status
= BT_NOTIFICATION_ITERATOR_STATUS_OK
;
1143 void destroy_muxer_notif_iter(struct muxer_notif_iter
*muxer_notif_iter
)
1145 if (!muxer_notif_iter
) {
1149 BT_LOGD("Destroying muxer component's notification iterator: "
1150 "muxer-notif-iter-addr=%p", muxer_notif_iter
);
1152 if (muxer_notif_iter
->muxer_upstream_notif_iters
) {
1153 BT_LOGD_STR("Destroying muxer's upstream notification iterator wrappers.");
1155 muxer_notif_iter
->muxer_upstream_notif_iters
, TRUE
);
1158 g_list_free(muxer_notif_iter
->newly_connected_priv_ports
);
1159 g_free(muxer_notif_iter
);
1163 int muxer_notif_iter_init_newly_connected_ports(struct muxer_comp
*muxer_comp
,
1164 struct muxer_notif_iter
*muxer_notif_iter
)
1166 struct bt_component
*comp
;
1172 * Add the connected input ports to this muxer notification
1173 * iterator's list of newly connected ports. They will be
1174 * handled by muxer_notif_iter_handle_newly_connected_ports().
1176 comp
= bt_component_borrow_from_private(muxer_comp
->priv_comp
);
1178 count
= bt_component_filter_get_input_port_count(comp
);
1180 BT_LOGD("No input port to initialize for muxer component's notification iterator: "
1181 "muxer-comp-addr=%p, muxer-notif-iter-addr=%p",
1182 muxer_comp
, muxer_notif_iter
);
1186 for (i
= 0; i
< count
; i
++) {
1187 struct bt_private_port
*priv_port
=
1188 bt_private_component_filter_get_input_private_port_by_index(
1189 muxer_comp
->priv_comp
, i
);
1190 struct bt_port
*port
;
1192 BT_ASSERT(priv_port
);
1193 port
= bt_port_borrow_from_private(priv_port
);
1196 if (!bt_port_is_connected(port
)) {
1197 BT_LOGD("Skipping input port: not connected: "
1198 "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"",
1199 muxer_comp
, port
, bt_port_get_name(port
));
1200 bt_object_put_ref(priv_port
);
1204 bt_object_put_ref(priv_port
);
1205 muxer_notif_iter
->newly_connected_priv_ports
=
1207 muxer_notif_iter
->newly_connected_priv_ports
,
1209 if (!muxer_notif_iter
->newly_connected_priv_ports
) {
1210 BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: "
1211 "port-addr=%p, port-name=\"%s\", "
1212 "muxer-notif-iter-addr=%p", port
,
1213 bt_port_get_name(port
), muxer_notif_iter
);
1218 BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: "
1219 "port-addr=%p, port-name=\"%s\", "
1220 "muxer-notif-iter-addr=%p", port
,
1221 bt_port_get_name(port
), muxer_notif_iter
);
1229 enum bt_notification_iterator_status
muxer_notif_iter_init(
1230 struct bt_private_connection_private_notification_iterator
*priv_notif_iter
,
1231 struct bt_private_port
*output_priv_port
)
1233 struct muxer_comp
*muxer_comp
= NULL
;
1234 struct muxer_notif_iter
*muxer_notif_iter
= NULL
;
1235 struct bt_private_component
*priv_comp
= NULL
;
1236 enum bt_notification_iterator_status status
=
1237 BT_NOTIFICATION_ITERATOR_STATUS_OK
;
1240 priv_comp
= bt_private_connection_private_notification_iterator_get_private_component(
1242 BT_ASSERT(priv_comp
);
1243 muxer_comp
= bt_private_component_get_user_data(priv_comp
);
1244 BT_ASSERT(muxer_comp
);
1245 BT_LOGD("Initializing muxer component's notification iterator: "
1246 "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p",
1247 priv_comp
, muxer_comp
, priv_notif_iter
);
1249 if (muxer_comp
->initializing_muxer_notif_iter
) {
1251 * Weird, unhandled situation detected: downstream
1252 * creates a muxer notification iterator while creating
1253 * another muxer notification iterator (same component).
1255 BT_LOGE("Recursive initialization of muxer component's notification iterator: "
1256 "comp-addr=%p, muxer-comp-addr=%p, notif-iter-addr=%p",
1257 priv_comp
, muxer_comp
, priv_notif_iter
);
1261 muxer_comp
->initializing_muxer_notif_iter
= true;
1262 muxer_notif_iter
= g_new0(struct muxer_notif_iter
, 1);
1263 if (!muxer_notif_iter
) {
1264 BT_LOGE_STR("Failed to allocate one muxer component's notification iterator.");
1268 muxer_notif_iter
->last_returned_ts_ns
= INT64_MIN
;
1269 muxer_notif_iter
->muxer_upstream_notif_iters
=
1270 g_ptr_array_new_with_free_func(
1271 (GDestroyNotify
) destroy_muxer_upstream_notif_iter
);
1272 if (!muxer_notif_iter
->muxer_upstream_notif_iters
) {
1273 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1278 * Add the muxer notification iterator to the component's array
1279 * of muxer notification iterators here because
1280 * muxer_notif_iter_init_newly_connected_ports() can cause
1281 * muxer_port_connected() to be called, which adds the newly
1282 * connected port to each muxer notification iterator's list of
1283 * newly connected ports.
1285 g_ptr_array_add(muxer_comp
->muxer_notif_iters
, muxer_notif_iter
);
1286 ret
= muxer_notif_iter_init_newly_connected_ports(muxer_comp
,
1289 BT_LOGE("Cannot initialize newly connected input ports for muxer component's notification iterator: "
1290 "comp-addr=%p, muxer-comp-addr=%p, "
1291 "muxer-notif-iter-addr=%p, notif-iter-addr=%p, ret=%d",
1292 priv_comp
, muxer_comp
, muxer_notif_iter
,
1293 priv_notif_iter
, ret
);
1297 ret
= bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter
,
1299 BT_ASSERT(ret
== 0);
1300 BT_LOGD("Initialized muxer component's notification iterator: "
1301 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1302 "notif-iter-addr=%p",
1303 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
);
1307 if (g_ptr_array_index(muxer_comp
->muxer_notif_iters
,
1308 muxer_comp
->muxer_notif_iters
->len
- 1) == muxer_notif_iter
) {
1309 g_ptr_array_remove_index(muxer_comp
->muxer_notif_iters
,
1310 muxer_comp
->muxer_notif_iters
->len
- 1);
1313 destroy_muxer_notif_iter(muxer_notif_iter
);
1314 ret
= bt_private_connection_private_notification_iterator_set_user_data(priv_notif_iter
,
1316 BT_ASSERT(ret
== 0);
1317 status
= BT_NOTIFICATION_ITERATOR_STATUS_ERROR
;
1320 muxer_comp
->initializing_muxer_notif_iter
= false;
1321 bt_object_put_ref(priv_comp
);
1326 void muxer_notif_iter_finalize(
1327 struct bt_private_connection_private_notification_iterator
*priv_notif_iter
)
1329 struct muxer_notif_iter
*muxer_notif_iter
=
1330 bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter
);
1331 struct bt_private_component
*priv_comp
= NULL
;
1332 struct muxer_comp
*muxer_comp
= NULL
;
1334 priv_comp
= bt_private_connection_private_notification_iterator_get_private_component(
1336 BT_ASSERT(priv_comp
);
1337 muxer_comp
= bt_private_component_get_user_data(priv_comp
);
1338 BT_LOGD("Finalizing muxer component's notification iterator: "
1339 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1340 "notif-iter-addr=%p",
1341 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
);
1344 (void) g_ptr_array_remove_fast(muxer_comp
->muxer_notif_iters
,
1346 destroy_muxer_notif_iter(muxer_notif_iter
);
1349 bt_object_put_ref(priv_comp
);
1353 enum bt_notification_iterator_status
muxer_notif_iter_next(
1354 struct bt_private_connection_private_notification_iterator
*priv_notif_iter
,
1355 bt_notification_array notifs
, uint64_t capacity
,
1358 enum bt_notification_iterator_status status
;
1359 struct muxer_notif_iter
*muxer_notif_iter
=
1360 bt_private_connection_private_notification_iterator_get_user_data(priv_notif_iter
);
1361 struct bt_private_component
*priv_comp
= NULL
;
1362 struct muxer_comp
*muxer_comp
= NULL
;
1364 BT_ASSERT(muxer_notif_iter
);
1365 priv_comp
= bt_private_connection_private_notification_iterator_get_private_component(
1367 BT_ASSERT(priv_comp
);
1368 muxer_comp
= bt_private_component_get_user_data(priv_comp
);
1369 BT_ASSERT(muxer_comp
);
1370 BT_LOGV("Muxer component's notification iterator's \"next\" method called: "
1371 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1372 "notif-iter-addr=%p",
1373 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
);
1375 status
= muxer_notif_iter_do_next(muxer_comp
, muxer_notif_iter
,
1376 notifs
, capacity
, count
);
1378 BT_LOGE("Cannot get next notification: "
1379 "comp-addr=%p, muxer-comp-addr=%p, muxer-notif-iter-addr=%p, "
1380 "notif-iter-addr=%p, status=%s",
1381 priv_comp
, muxer_comp
, muxer_notif_iter
, priv_notif_iter
,
1382 bt_notification_iterator_status_string(status
));
1384 BT_LOGV("Returning from muxer component's notification iterator's \"next\" method: "
1386 bt_notification_iterator_status_string(status
));
1389 bt_object_put_ref(priv_comp
);
1394 enum bt_component_status
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 enum bt_component_status status
= BT_COMPONENT_STATUS_OK
;
1400 struct bt_port
*self_port
=
1401 bt_port_borrow_from_private(self_private_port
);
1402 struct muxer_comp
*muxer_comp
=
1403 bt_private_component_get_user_data(priv_comp
);
1407 BT_ASSERT(self_port
);
1408 BT_ASSERT(muxer_comp
);
1409 BT_LOGD("Port connected: "
1410 "comp-addr=%p, muxer-comp-addr=%p, "
1411 "port-addr=%p, port-name=\"%s\", "
1412 "other-port-addr=%p, other-port-name=\"%s\"",
1413 priv_comp
, muxer_comp
, self_port
, bt_port_get_name(self_port
),
1414 other_port
, bt_port_get_name(other_port
));
1416 if (bt_port_get_type(self_port
) == BT_PORT_TYPE_OUTPUT
) {
1420 for (i
= 0; i
< muxer_comp
->muxer_notif_iters
->len
; i
++) {
1421 struct muxer_notif_iter
*muxer_notif_iter
=
1422 g_ptr_array_index(muxer_comp
->muxer_notif_iters
, i
);
1425 * Add this port to the list of newly connected ports
1426 * for this muxer notification iterator. We append at
1427 * the end of this list while
1428 * muxer_notif_iter_handle_newly_connected_ports()
1429 * removes the nodes from the beginning.
1431 muxer_notif_iter
->newly_connected_priv_ports
=
1433 muxer_notif_iter
->newly_connected_priv_ports
,
1435 if (!muxer_notif_iter
->newly_connected_priv_ports
) {
1436 BT_LOGE("Cannot append port to muxer's notification iterator list of newly connected input ports: "
1437 "port-addr=%p, port-name=\"%s\", "
1438 "muxer-notif-iter-addr=%p", self_port
,
1439 bt_port_get_name(self_port
), muxer_notif_iter
);
1440 status
= BT_COMPONENT_STATUS_ERROR
;
1444 BT_LOGD("Appended port to muxer's notification iterator list of newly connected input ports: "
1445 "port-addr=%p, port-name=\"%s\", "
1446 "muxer-notif-iter-addr=%p", self_port
,
1447 bt_port_get_name(self_port
), muxer_notif_iter
);
1450 /* One less available input port */
1451 muxer_comp
->available_input_ports
--;
1452 ret
= ensure_available_input_port(priv_comp
);
1455 * Only way to report an error later since this
1456 * method does not return anything.
1458 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
1459 "muxer-comp-addr=%p, status=%s",
1460 muxer_comp
, bt_component_status_string(ret
));
1461 status
= BT_COMPONENT_STATUS_ERROR
;
1470 void muxer_port_disconnected(struct bt_private_component
*priv_comp
,
1471 struct bt_private_port
*priv_port
)
1473 struct bt_port
*port
= bt_port_borrow_from_private(priv_port
);
1474 struct muxer_comp
*muxer_comp
=
1475 bt_private_component_get_user_data(priv_comp
);
1478 BT_ASSERT(muxer_comp
);
1479 BT_LOGD("Port disconnected: "
1480 "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, "
1481 "port-name=\"%s\"", priv_comp
, muxer_comp
,
1482 port
, bt_port_get_name(port
));
1485 * There's nothing special to do when a port is disconnected
1486 * because this component deals with upstream notification
1487 * iterators which were already created thanks to connected
1488 * ports. The fact that the port is disconnected does not cancel
1489 * the upstream notification iterators created using its
1490 * connection: they still exist, even if the connection is dead.
1491 * The only way to remove an upstream notification iterator is
1492 * for its "next" operation to return
1493 * BT_NOTIFICATION_ITERATOR_STATUS_END.
1495 if (bt_port_get_type(port
) == BT_PORT_TYPE_INPUT
) {
1496 /* One more available input port */
1497 muxer_comp
->available_input_ports
++;
1498 BT_LOGD("Leaving disconnected input port available for future connections: "
1499 "comp-addr=%p, muxer-comp-addr=%p, port-addr=%p, "
1500 "port-name=\"%s\", avail-input-port-count=%zu",
1501 priv_comp
, muxer_comp
, port
, bt_port_get_name(port
),
1502 muxer_comp
->available_input_ports
);