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/value-internal.h>
30 #include <babeltrace/graph/component-internal.h>
31 #include <babeltrace/graph/message-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>
44 #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes"
48 bt_self_component_filter
*self_comp
;
50 unsigned int next_port_num
;
51 size_t available_input_ports
;
52 bool initializing_muxer_msg_iter
;
53 bool assume_absolute_clock_classes
;
56 struct muxer_upstream_msg_iter
{
57 /* Owned by this, NULL if ended */
58 bt_self_component_port_input_message_iterator
*msg_iter
;
60 /* Contains `const bt_message *`, owned by this */
64 enum muxer_msg_iter_clock_class_expectation
{
65 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
= 0,
66 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
,
67 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
,
68 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
,
71 struct muxer_msg_iter
{
73 * Array of struct muxer_upstream_msg_iter * (owned by this).
75 * NOTE: This array is searched in linearly to find the youngest
76 * current message. Keep this until benchmarks confirm that
77 * another data structure is faster than this for our typical
80 GPtrArray
*active_muxer_upstream_msg_iters
;
83 * Array of struct muxer_upstream_msg_iter * (owned by this).
85 * We move ended message iterators from
86 * `active_muxer_upstream_msg_iters` to this array so as to be
87 * able to restore them when seeking.
89 GPtrArray
*ended_muxer_upstream_msg_iters
;
91 /* Last time returned in a message */
92 int64_t last_returned_ts_ns
;
94 /* Clock class expectation state */
95 enum muxer_msg_iter_clock_class_expectation clock_class_expectation
;
98 * Expected clock class UUID, only valid when
99 * clock_class_expectation is
100 * MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID.
102 unsigned char expected_clock_class_uuid
[BABELTRACE_UUID_LEN
];
106 void empty_message_queue(struct muxer_upstream_msg_iter
*upstream_msg_iter
)
108 const bt_message
*msg
;
110 while ((msg
= g_queue_pop_head(upstream_msg_iter
->msgs
))) {
111 bt_message_put_ref(msg
);
116 void destroy_muxer_upstream_msg_iter(
117 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
)
119 if (!muxer_upstream_msg_iter
) {
123 BT_LOGD("Destroying muxer's upstream message iterator wrapper: "
124 "addr=%p, msg-iter-addr=%p, queue-len=%u",
125 muxer_upstream_msg_iter
,
126 muxer_upstream_msg_iter
->msg_iter
,
127 muxer_upstream_msg_iter
->msgs
->length
);
128 bt_self_component_port_input_message_iterator_put_ref(
129 muxer_upstream_msg_iter
->msg_iter
);
131 if (muxer_upstream_msg_iter
->msgs
) {
132 empty_message_queue(muxer_upstream_msg_iter
);
133 g_queue_free(muxer_upstream_msg_iter
->msgs
);
136 g_free(muxer_upstream_msg_iter
);
140 struct muxer_upstream_msg_iter
*muxer_msg_iter_add_upstream_msg_iter(
141 struct muxer_msg_iter
*muxer_msg_iter
,
142 bt_self_component_port_input_message_iterator
*self_msg_iter
)
144 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
145 g_new0(struct muxer_upstream_msg_iter
, 1);
147 if (!muxer_upstream_msg_iter
) {
148 BT_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper.");
152 muxer_upstream_msg_iter
->msg_iter
= self_msg_iter
;
153 bt_self_component_port_input_message_iterator_get_ref(muxer_upstream_msg_iter
->msg_iter
);
154 muxer_upstream_msg_iter
->msgs
= g_queue_new();
155 if (!muxer_upstream_msg_iter
->msgs
) {
156 BT_LOGE_STR("Failed to allocate a GQueue.");
160 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
161 muxer_upstream_msg_iter
);
162 BT_LOGD("Added muxer's upstream message iterator wrapper: "
163 "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p",
164 muxer_upstream_msg_iter
, muxer_msg_iter
,
168 return muxer_upstream_msg_iter
;
172 bt_self_component_status
add_available_input_port(
173 bt_self_component_filter
*self_comp
)
175 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
176 bt_self_component_filter_as_self_component(self_comp
));
177 bt_self_component_status status
= BT_SELF_COMPONENT_STATUS_OK
;
178 GString
*port_name
= NULL
;
180 BT_ASSERT(muxer_comp
);
181 port_name
= g_string_new("in");
183 BT_LOGE_STR("Failed to allocate a GString.");
184 status
= BT_SELF_COMPONENT_STATUS_NOMEM
;
188 g_string_append_printf(port_name
, "%u", muxer_comp
->next_port_num
);
189 status
= bt_self_component_filter_add_input_port(
190 self_comp
, port_name
->str
, NULL
, NULL
);
191 if (status
!= BT_SELF_COMPONENT_STATUS_OK
) {
192 BT_LOGE("Cannot add input port to muxer component: "
193 "port-name=\"%s\", comp-addr=%p, status=%s",
194 port_name
->str
, self_comp
,
195 bt_self_component_status_string(status
));
199 muxer_comp
->available_input_ports
++;
200 muxer_comp
->next_port_num
++;
201 BT_LOGD("Added one input port to muxer component: "
202 "port-name=\"%s\", comp-addr=%p",
203 port_name
->str
, self_comp
);
207 g_string_free(port_name
, TRUE
);
214 bt_self_component_status
create_output_port(
215 bt_self_component_filter
*self_comp
)
217 return bt_self_component_filter_add_output_port(
218 self_comp
, "out", NULL
, NULL
);
222 void destroy_muxer_comp(struct muxer_comp
*muxer_comp
)
232 bt_value
*get_default_params(void)
237 params
= bt_value_map_create();
239 BT_LOGE_STR("Cannot create a map value object.");
243 ret
= bt_value_map_insert_bool_entry(params
,
244 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, false);
246 BT_LOGE_STR("Cannot add boolean value to map value object.");
253 BT_VALUE_PUT_REF_AND_RESET(params
);
260 int configure_muxer_comp(struct muxer_comp
*muxer_comp
,
261 const bt_value
*params
)
263 bt_value
*default_params
= NULL
;
264 bt_value
*real_params
= NULL
;
265 const bt_value
*assume_absolute_clock_classes
= NULL
;
269 default_params
= get_default_params();
270 if (!default_params
) {
271 BT_LOGE("Cannot get default parameters: "
272 "muxer-comp-addr=%p", muxer_comp
);
276 ret
= bt_value_map_extend(default_params
, params
, &real_params
);
278 BT_LOGE("Cannot extend default parameters map value: "
279 "muxer-comp-addr=%p, def-params-addr=%p, "
280 "params-addr=%p", muxer_comp
, default_params
,
285 assume_absolute_clock_classes
= bt_value_map_borrow_entry_value(real_params
,
286 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
);
287 if (assume_absolute_clock_classes
&&
288 !bt_value_is_bool(assume_absolute_clock_classes
)) {
289 BT_LOGE("Expecting a boolean value for the `%s` parameter: "
290 "muxer-comp-addr=%p, value-type=%s",
291 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, muxer_comp
,
292 bt_common_value_type_string(
293 bt_value_get_type(assume_absolute_clock_classes
)));
297 bool_val
= bt_value_bool_get(assume_absolute_clock_classes
);
298 muxer_comp
->assume_absolute_clock_classes
= (bool) bool_val
;
299 BT_LOGD("Configured muxer component: muxer-comp-addr=%p, "
300 "assume-absolute-clock-classes=%d",
301 muxer_comp
, muxer_comp
->assume_absolute_clock_classes
);
308 bt_value_put_ref(default_params
);
309 bt_value_put_ref(real_params
);
314 bt_self_component_status
muxer_init(
315 bt_self_component_filter
*self_comp
,
316 const bt_value
*params
, void *init_data
)
319 bt_self_component_status status
= BT_SELF_COMPONENT_STATUS_OK
;
320 struct muxer_comp
*muxer_comp
= g_new0(struct muxer_comp
, 1);
322 BT_LOGD("Initializing muxer component: "
323 "comp-addr=%p, params-addr=%p", self_comp
, params
);
326 BT_LOGE_STR("Failed to allocate one muxer component.");
330 ret
= configure_muxer_comp(muxer_comp
, params
);
332 BT_LOGE("Cannot configure muxer component: "
333 "muxer-comp-addr=%p, params-addr=%p",
338 muxer_comp
->self_comp
= self_comp
;
339 bt_self_component_set_data(
340 bt_self_component_filter_as_self_component(self_comp
),
342 status
= add_available_input_port(self_comp
);
343 if (status
!= BT_SELF_COMPONENT_STATUS_OK
) {
344 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
345 "muxer-comp-addr=%p, status=%s",
347 bt_self_component_status_string(status
));
351 status
= create_output_port(self_comp
);
353 BT_LOGE("Cannot create muxer component's output port: "
354 "muxer-comp-addr=%p, status=%s",
356 bt_self_component_status_string(status
));
360 BT_LOGD("Initialized muxer component: "
361 "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
362 self_comp
, params
, muxer_comp
);
367 destroy_muxer_comp(muxer_comp
);
368 bt_self_component_set_data(
369 bt_self_component_filter_as_self_component(self_comp
),
372 if (status
== BT_SELF_COMPONENT_STATUS_OK
) {
373 status
= BT_SELF_COMPONENT_STATUS_ERROR
;
381 void muxer_finalize(bt_self_component_filter
*self_comp
)
383 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
384 bt_self_component_filter_as_self_component(self_comp
));
386 BT_LOGD("Finalizing muxer component: comp-addr=%p",
388 destroy_muxer_comp(muxer_comp
);
392 bt_self_component_port_input_message_iterator
*
393 create_msg_iter_on_input_port(bt_self_component_port_input
*self_port
)
395 const bt_port
*port
= bt_self_component_port_as_port(
396 bt_self_component_port_input_as_self_component_port(
398 bt_self_component_port_input_message_iterator
*msg_iter
=
402 BT_ASSERT(bt_port_is_connected(port
));
404 // TODO: Advance the iterator to >= the time of the latest
405 // returned message by the muxer message
406 // iterator which creates it.
407 msg_iter
= bt_self_component_port_input_message_iterator_create(
410 BT_LOGE("Cannot create upstream message iterator on input port: "
411 "port-addr=%p, port-name=\"%s\"",
412 port
, bt_port_get_name(port
));
416 BT_LOGD("Created upstream message iterator on input port: "
417 "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p",
418 port
, bt_port_get_name(port
), msg_iter
);
425 bt_self_message_iterator_status
muxer_upstream_msg_iter_next(
426 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
429 bt_self_message_iterator_status status
;
430 bt_message_iterator_status input_port_iter_status
;
431 bt_message_array_const msgs
;
435 BT_LOGV("Calling upstream message iterator's \"next\" method: "
436 "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p",
437 muxer_upstream_msg_iter
,
438 muxer_upstream_msg_iter
->msg_iter
);
439 input_port_iter_status
= bt_self_component_port_input_message_iterator_next(
440 muxer_upstream_msg_iter
->msg_iter
, &msgs
, &count
);
441 BT_LOGV("Upstream message iterator's \"next\" method returned: "
442 "status=%s", bt_message_iterator_status_string(input_port_iter_status
));
444 switch (input_port_iter_status
) {
445 case BT_MESSAGE_ITERATOR_STATUS_OK
:
447 * Message iterator's current message is
448 * valid: it must be considered for muxing operations.
450 BT_LOGV_STR("Validated upstream message iterator wrapper.");
451 BT_ASSERT(count
> 0);
453 /* Move messages to our queue */
454 for (i
= 0; i
< count
; i
++) {
456 * Push to tail in order; other side
457 * (muxer_msg_iter_do_next_one()) consumes
458 * from the head first.
460 g_queue_push_tail(muxer_upstream_msg_iter
->msgs
,
463 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
465 case BT_MESSAGE_ITERATOR_STATUS_AGAIN
:
467 * Message iterator's current message is not
468 * valid anymore. Return
469 * BT_MESSAGE_ITERATOR_STATUS_AGAIN immediately.
471 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN
;
473 case BT_MESSAGE_ITERATOR_STATUS_END
: /* Fall-through. */
475 * Message iterator reached the end: release it. It
476 * won't be considered again to find the youngest
480 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
483 /* Error or unsupported status code */
484 BT_LOGE("Error or unsupported status code: "
485 "status-code=%d", input_port_iter_status
);
486 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
494 int get_msg_ts_ns(struct muxer_comp
*muxer_comp
,
495 struct muxer_msg_iter
*muxer_msg_iter
,
496 const bt_message
*msg
, int64_t last_returned_ts_ns
,
499 const bt_clock_class
*clock_class
= NULL
;
500 const bt_clock_snapshot
*clock_snapshot
= NULL
;
502 const unsigned char *cc_uuid
;
504 bt_clock_snapshot_state cs_state
= BT_CLOCK_SNAPSHOT_STATE_KNOWN
;
505 bt_message_stream_activity_clock_snapshot_state sa_cs_state
;
510 BT_LOGV("Getting message's timestamp: "
511 "muxer-msg-iter-addr=%p, msg-addr=%p, "
512 "last-returned-ts=%" PRId64
,
513 muxer_msg_iter
, msg
, last_returned_ts_ns
);
515 switch (bt_message_get_type(msg
)) {
516 case BT_MESSAGE_TYPE_EVENT
:
518 bt_message_event_borrow_stream_class_default_clock_class_const(
521 goto no_clock_snapshot
;
524 cs_state
= bt_message_event_borrow_default_clock_snapshot_const(
525 msg
, &clock_snapshot
);
527 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
529 bt_message_packet_beginning_borrow_stream_class_default_clock_class_const(
532 goto no_clock_snapshot
;
535 cs_state
= bt_message_packet_beginning_borrow_default_clock_snapshot_const(
536 msg
, &clock_snapshot
);
538 case BT_MESSAGE_TYPE_PACKET_END
:
540 bt_message_packet_end_borrow_stream_class_default_clock_class_const(
543 goto no_clock_snapshot
;
546 cs_state
= bt_message_packet_end_borrow_default_clock_snapshot_const(
547 msg
, &clock_snapshot
);
549 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
551 bt_message_discarded_events_borrow_stream_class_default_clock_class_const(
554 goto no_clock_snapshot
;
557 cs_state
= bt_message_discarded_events_borrow_default_beginning_clock_snapshot_const(
558 msg
, &clock_snapshot
);
560 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
562 bt_message_discarded_packets_borrow_stream_class_default_clock_class_const(
565 goto no_clock_snapshot
;
568 cs_state
= bt_message_discarded_packets_borrow_default_beginning_clock_snapshot_const(
569 msg
, &clock_snapshot
);
571 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING
:
573 bt_message_stream_activity_beginning_borrow_stream_class_default_clock_class_const(
576 goto no_clock_snapshot
;
579 sa_cs_state
= bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const(
580 msg
, &clock_snapshot
);
581 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
582 goto no_clock_snapshot
;
586 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END
:
588 bt_message_stream_activity_end_borrow_stream_class_default_clock_class_const(
591 goto no_clock_snapshot
;
594 sa_cs_state
= bt_message_stream_activity_end_borrow_default_clock_snapshot_const(
595 msg
, &clock_snapshot
);
596 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
597 goto no_clock_snapshot
;
601 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
:
603 bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
604 msg
, &clock_snapshot
);
607 /* All the other messages have a higher priority */
608 BT_LOGV_STR("Message has no timestamp: using the last returned timestamp.");
609 *ts_ns
= last_returned_ts_ns
;
613 if (cs_state
!= BT_CLOCK_SNAPSHOT_STATE_KNOWN
) {
614 BT_LOGE_STR("Unsupported unknown clock snapshot.");
619 clock_class
= bt_clock_snapshot_borrow_clock_class_const(clock_snapshot
);
620 BT_ASSERT(clock_class
);
621 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
622 cc_name
= bt_clock_class_get_name(clock_class
);
624 if (muxer_msg_iter
->clock_class_expectation
==
625 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
627 * This is the first clock class that this muxer
628 * message iterator encounters. Its properties
629 * determine what to expect for the whole lifetime of
630 * the iterator without a true
631 * `assume-absolute-clock-classes` parameter.
633 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
634 /* Expect absolute clock classes */
635 muxer_msg_iter
->clock_class_expectation
=
636 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
640 * Expect non-absolute clock classes
641 * with a specific UUID.
643 muxer_msg_iter
->clock_class_expectation
=
644 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
645 memcpy(muxer_msg_iter
->expected_clock_class_uuid
,
646 cc_uuid
, BABELTRACE_UUID_LEN
);
649 * Expect non-absolute clock classes
652 muxer_msg_iter
->clock_class_expectation
=
653 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
658 if (!muxer_comp
->assume_absolute_clock_classes
) {
659 switch (muxer_msg_iter
->clock_class_expectation
) {
660 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
661 if (!bt_clock_class_origin_is_unix_epoch(clock_class
)) {
662 BT_LOGE("Expecting an absolute clock class, "
663 "but got a non-absolute one: "
664 "clock-class-addr=%p, clock-class-name=\"%s\"",
665 clock_class
, cc_name
);
669 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
670 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
671 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
672 "but got an absolute one: "
673 "clock-class-addr=%p, clock-class-name=\"%s\"",
674 clock_class
, cc_name
);
679 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
680 "but got one with a UUID: "
681 "clock-class-addr=%p, clock-class-name=\"%s\", "
682 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
683 clock_class
, cc_name
,
684 (unsigned int) cc_uuid
[0],
685 (unsigned int) cc_uuid
[1],
686 (unsigned int) cc_uuid
[2],
687 (unsigned int) cc_uuid
[3],
688 (unsigned int) cc_uuid
[4],
689 (unsigned int) cc_uuid
[5],
690 (unsigned int) cc_uuid
[6],
691 (unsigned int) cc_uuid
[7],
692 (unsigned int) cc_uuid
[8],
693 (unsigned int) cc_uuid
[9],
694 (unsigned int) cc_uuid
[10],
695 (unsigned int) cc_uuid
[11],
696 (unsigned int) cc_uuid
[12],
697 (unsigned int) cc_uuid
[13],
698 (unsigned int) cc_uuid
[14],
699 (unsigned int) cc_uuid
[15]);
703 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
704 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
705 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
706 "but got an absolute one: "
707 "clock-class-addr=%p, clock-class-name=\"%s\"",
708 clock_class
, cc_name
);
713 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
714 "but got one with no UUID: "
715 "clock-class-addr=%p, clock-class-name=\"%s\"",
716 clock_class
, cc_name
);
720 if (memcmp(muxer_msg_iter
->expected_clock_class_uuid
,
721 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
722 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
723 "but got one with different UUID: "
724 "clock-class-addr=%p, clock-class-name=\"%s\", "
725 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
726 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
727 clock_class
, cc_name
,
728 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[0],
729 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[1],
730 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[2],
731 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[3],
732 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[4],
733 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[5],
734 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[6],
735 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[7],
736 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[8],
737 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[9],
738 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[10],
739 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[11],
740 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[12],
741 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[13],
742 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[14],
743 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[15],
744 (unsigned int) cc_uuid
[0],
745 (unsigned int) cc_uuid
[1],
746 (unsigned int) cc_uuid
[2],
747 (unsigned int) cc_uuid
[3],
748 (unsigned int) cc_uuid
[4],
749 (unsigned int) cc_uuid
[5],
750 (unsigned int) cc_uuid
[6],
751 (unsigned int) cc_uuid
[7],
752 (unsigned int) cc_uuid
[8],
753 (unsigned int) cc_uuid
[9],
754 (unsigned int) cc_uuid
[10],
755 (unsigned int) cc_uuid
[11],
756 (unsigned int) cc_uuid
[12],
757 (unsigned int) cc_uuid
[13],
758 (unsigned int) cc_uuid
[14],
759 (unsigned int) cc_uuid
[15]);
765 BT_LOGF("Unexpected clock class expectation: "
766 "expectation-code=%d",
767 muxer_msg_iter
->clock_class_expectation
);
772 ret
= bt_clock_snapshot_get_ns_from_origin(clock_snapshot
, ts_ns
);
774 BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
775 "clock-snapshot-addr=%p", clock_snapshot
);
782 BT_LOGV_STR("Message's default clock snapshot is missing: "
783 "using the last returned timestamp.");
784 *ts_ns
= last_returned_ts_ns
;
792 BT_LOGV("Found message's timestamp: "
793 "muxer-msg-iter-addr=%p, msg-addr=%p, "
794 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
795 muxer_msg_iter
, msg
, last_returned_ts_ns
,
803 * This function finds the youngest available message amongst the
804 * non-ended upstream message iterators and returns the upstream
805 * message iterator which has it, or
806 * BT_MESSAGE_ITERATOR_STATUS_END if there's no available
809 * This function does NOT:
811 * * Update any upstream message iterator.
812 * * Check the upstream message iterators to retry.
814 * On sucess, this function sets *muxer_upstream_msg_iter to the
815 * upstream message iterator of which the current message is
816 * the youngest, and sets *ts_ns to its time.
819 bt_self_message_iterator_status
820 muxer_msg_iter_youngest_upstream_msg_iter(
821 struct muxer_comp
*muxer_comp
,
822 struct muxer_msg_iter
*muxer_msg_iter
,
823 struct muxer_upstream_msg_iter
**muxer_upstream_msg_iter
,
828 int64_t youngest_ts_ns
= INT64_MAX
;
829 bt_self_message_iterator_status status
=
830 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
832 BT_ASSERT(muxer_comp
);
833 BT_ASSERT(muxer_msg_iter
);
834 BT_ASSERT(muxer_upstream_msg_iter
);
835 *muxer_upstream_msg_iter
= NULL
;
837 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
839 const bt_message
*msg
;
840 struct muxer_upstream_msg_iter
*cur_muxer_upstream_msg_iter
=
842 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
846 if (!cur_muxer_upstream_msg_iter
->msg_iter
) {
847 /* This upstream message iterator is ended */
848 BT_LOGV("Skipping ended upstream message iterator: "
849 "muxer-upstream-msg-iter-wrap-addr=%p",
850 cur_muxer_upstream_msg_iter
);
854 BT_ASSERT(cur_muxer_upstream_msg_iter
->msgs
->length
> 0);
855 msg
= g_queue_peek_head(cur_muxer_upstream_msg_iter
->msgs
);
857 ret
= get_msg_ts_ns(muxer_comp
, muxer_msg_iter
, msg
,
858 muxer_msg_iter
->last_returned_ts_ns
, &msg_ts_ns
);
860 /* get_msg_ts_ns() logs errors */
861 *muxer_upstream_msg_iter
= NULL
;
862 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
866 if (msg_ts_ns
<= youngest_ts_ns
) {
867 *muxer_upstream_msg_iter
=
868 cur_muxer_upstream_msg_iter
;
869 youngest_ts_ns
= msg_ts_ns
;
870 *ts_ns
= youngest_ts_ns
;
874 if (!*muxer_upstream_msg_iter
) {
875 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_END
;
884 bt_self_message_iterator_status
validate_muxer_upstream_msg_iter(
885 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
888 bt_self_message_iterator_status status
=
889 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
891 BT_LOGV("Validating muxer's upstream message iterator wrapper: "
892 "muxer-upstream-msg-iter-wrap-addr=%p",
893 muxer_upstream_msg_iter
);
895 if (muxer_upstream_msg_iter
->msgs
->length
> 0 ||
896 !muxer_upstream_msg_iter
->msg_iter
) {
897 BT_LOGV("Already valid or not considered: "
898 "queue-len=%u, upstream-msg-iter-addr=%p",
899 muxer_upstream_msg_iter
->msgs
->length
,
900 muxer_upstream_msg_iter
->msg_iter
);
904 /* muxer_upstream_msg_iter_next() logs details/errors */
905 status
= muxer_upstream_msg_iter_next(muxer_upstream_msg_iter
,
913 bt_self_message_iterator_status
validate_muxer_upstream_msg_iters(
914 struct muxer_msg_iter
*muxer_msg_iter
)
916 bt_self_message_iterator_status status
=
917 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
920 BT_LOGV("Validating muxer's upstream message iterator wrappers: "
921 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
923 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
925 bool is_ended
= false;
926 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
928 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
931 status
= validate_muxer_upstream_msg_iter(
932 muxer_upstream_msg_iter
, &is_ended
);
933 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
935 BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
936 "muxer-msg-iter-addr=%p, "
937 "muxer-upstream-msg-iter-wrap-addr=%p",
939 muxer_upstream_msg_iter
);
941 BT_LOGV("Cannot validate muxer's upstream message iterator wrapper: "
942 "muxer-msg-iter-addr=%p, "
943 "muxer-upstream-msg-iter-wrap-addr=%p",
945 muxer_upstream_msg_iter
);
952 * Move this muxer upstream message iterator to the
953 * array of ended iterators if it's ended.
955 if (unlikely(is_ended
)) {
956 BT_LOGV("Muxer's upstream message iterator wrapper: ended or canceled: "
957 "muxer-msg-iter-addr=%p, "
958 "muxer-upstream-msg-iter-wrap-addr=%p",
959 muxer_msg_iter
, muxer_upstream_msg_iter
);
961 muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
962 muxer_upstream_msg_iter
);
963 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
966 * Use g_ptr_array_remove_fast() because the
967 * order of those elements is not important.
969 g_ptr_array_remove_index_fast(
970 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
981 bt_self_message_iterator_status
muxer_msg_iter_do_next_one(
982 struct muxer_comp
*muxer_comp
,
983 struct muxer_msg_iter
*muxer_msg_iter
,
984 const bt_message
**msg
)
986 bt_self_message_iterator_status status
;
987 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
= NULL
;
988 int64_t next_return_ts
;
990 status
= validate_muxer_upstream_msg_iters(muxer_msg_iter
);
991 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
992 /* validate_muxer_upstream_msg_iters() logs details */
997 * At this point we know that all the existing upstream
998 * message iterators are valid. We can find the one,
999 * amongst those, of which the current message is the
1002 status
= muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp
,
1003 muxer_msg_iter
, &muxer_upstream_msg_iter
,
1005 if (status
< 0 || status
== BT_SELF_MESSAGE_ITERATOR_STATUS_END
) {
1007 BT_LOGE("Cannot find the youngest upstream message iterator wrapper: "
1009 bt_common_self_message_iterator_status_string(status
));
1011 BT_LOGV("Cannot find the youngest upstream message iterator wrapper: "
1013 bt_common_self_message_iterator_status_string(status
));
1019 if (next_return_ts
< muxer_msg_iter
->last_returned_ts_ns
) {
1020 BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
1021 "muxer-msg-iter-addr=%p, ts=%" PRId64
", "
1022 "last-returned-ts=%" PRId64
,
1023 muxer_msg_iter
, next_return_ts
,
1024 muxer_msg_iter
->last_returned_ts_ns
);
1025 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1029 BT_LOGV("Found youngest upstream message iterator wrapper: "
1030 "muxer-msg-iter-addr=%p, "
1031 "muxer-upstream-msg-iter-wrap-addr=%p, "
1033 muxer_msg_iter
, muxer_upstream_msg_iter
, next_return_ts
);
1034 BT_ASSERT(status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
);
1035 BT_ASSERT(muxer_upstream_msg_iter
);
1038 * Consume from the queue's head: other side
1039 * (muxer_upstream_msg_iter_next()) writes to the tail.
1041 *msg
= g_queue_pop_head(muxer_upstream_msg_iter
->msgs
);
1043 muxer_msg_iter
->last_returned_ts_ns
= next_return_ts
;
1050 bt_self_message_iterator_status
muxer_msg_iter_do_next(
1051 struct muxer_comp
*muxer_comp
,
1052 struct muxer_msg_iter
*muxer_msg_iter
,
1053 bt_message_array_const msgs
, uint64_t capacity
,
1056 bt_self_message_iterator_status status
=
1057 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1060 while (i
< capacity
&& status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1061 status
= muxer_msg_iter_do_next_one(muxer_comp
,
1062 muxer_msg_iter
, &msgs
[i
]);
1063 if (status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1070 * Even if muxer_msg_iter_do_next_one() returned
1071 * something else than
1072 * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated
1073 * message objects in the output message
1074 * array, so we need to return
1075 * BT_MESSAGE_ITERATOR_STATUS_OK so that they are
1076 * transfered to downstream. This other status occurs
1077 * again the next time muxer_msg_iter_do_next() is
1078 * called, possibly without any accumulated
1079 * message, in which case we'll return it.
1082 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1089 void destroy_muxer_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
)
1091 if (!muxer_msg_iter
) {
1095 BT_LOGD("Destroying muxer component's message iterator: "
1096 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1098 if (muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1099 BT_LOGD_STR("Destroying muxer's active upstream message iterator wrappers.");
1101 muxer_msg_iter
->active_muxer_upstream_msg_iters
, TRUE
);
1104 if (muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1105 BT_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers.");
1107 muxer_msg_iter
->ended_muxer_upstream_msg_iters
, TRUE
);
1110 g_free(muxer_msg_iter
);
1114 int muxer_msg_iter_init_upstream_iterators(struct muxer_comp
*muxer_comp
,
1115 struct muxer_msg_iter
*muxer_msg_iter
)
1121 count
= bt_component_filter_get_input_port_count(
1122 bt_self_component_filter_as_component_filter(
1123 muxer_comp
->self_comp
));
1125 BT_LOGD("No input port to initialize for muxer component's message iterator: "
1126 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
1127 muxer_comp
, muxer_msg_iter
);
1131 for (i
= 0; i
< count
; i
++) {
1132 bt_self_component_port_input_message_iterator
*upstream_msg_iter
;
1133 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
;
1134 bt_self_component_port_input
*self_port
=
1135 bt_self_component_filter_borrow_input_port_by_index(
1136 muxer_comp
->self_comp
, i
);
1137 const bt_port
*port
;
1139 BT_ASSERT(self_port
);
1140 port
= bt_self_component_port_as_port(
1141 bt_self_component_port_input_as_self_component_port(
1145 if (!bt_port_is_connected(port
)) {
1146 /* Skip non-connected port */
1150 upstream_msg_iter
= create_msg_iter_on_input_port(self_port
);
1151 if (!upstream_msg_iter
) {
1152 /* create_msg_iter_on_input_port() logs errors */
1153 BT_ASSERT(!upstream_msg_iter
);
1158 muxer_upstream_msg_iter
=
1159 muxer_msg_iter_add_upstream_msg_iter(
1160 muxer_msg_iter
, upstream_msg_iter
);
1161 bt_self_component_port_input_message_iterator_put_ref(
1163 if (!muxer_upstream_msg_iter
) {
1164 /* muxer_msg_iter_add_upstream_msg_iter() logs errors */
1175 bt_self_message_iterator_status
muxer_msg_iter_init(
1176 bt_self_message_iterator
*self_msg_iter
,
1177 bt_self_component_filter
*self_comp
,
1178 bt_self_component_port_output
*port
)
1180 struct muxer_comp
*muxer_comp
= NULL
;
1181 struct muxer_msg_iter
*muxer_msg_iter
= NULL
;
1182 bt_self_message_iterator_status status
=
1183 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1186 muxer_comp
= bt_self_component_get_data(
1187 bt_self_component_filter_as_self_component(self_comp
));
1188 BT_ASSERT(muxer_comp
);
1189 BT_LOGD("Initializing muxer component's message iterator: "
1190 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1191 self_comp
, muxer_comp
, self_msg_iter
);
1193 if (muxer_comp
->initializing_muxer_msg_iter
) {
1195 * Weird, unhandled situation detected: downstream
1196 * creates a muxer message iterator while creating
1197 * another muxer message iterator (same component).
1199 BT_LOGE("Recursive initialization of muxer component's message iterator: "
1200 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1201 self_comp
, muxer_comp
, self_msg_iter
);
1205 muxer_comp
->initializing_muxer_msg_iter
= true;
1206 muxer_msg_iter
= g_new0(struct muxer_msg_iter
, 1);
1207 if (!muxer_msg_iter
) {
1208 BT_LOGE_STR("Failed to allocate one muxer component's message iterator.");
1212 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1213 muxer_msg_iter
->active_muxer_upstream_msg_iters
=
1214 g_ptr_array_new_with_free_func(
1215 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1216 if (!muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1217 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1221 muxer_msg_iter
->ended_muxer_upstream_msg_iters
=
1222 g_ptr_array_new_with_free_func(
1223 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1224 if (!muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1225 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1229 ret
= muxer_msg_iter_init_upstream_iterators(muxer_comp
,
1232 BT_LOGE("Cannot initialize connected input ports for muxer component's message iterator: "
1233 "comp-addr=%p, muxer-comp-addr=%p, "
1234 "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
1235 self_comp
, muxer_comp
, muxer_msg_iter
,
1236 self_msg_iter
, ret
);
1240 bt_self_message_iterator_set_data(self_msg_iter
, muxer_msg_iter
);
1241 BT_LOGD("Initialized muxer component's message iterator: "
1242 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1244 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1248 destroy_muxer_msg_iter(muxer_msg_iter
);
1249 bt_self_message_iterator_set_data(self_msg_iter
, NULL
);
1250 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1253 muxer_comp
->initializing_muxer_msg_iter
= false;
1258 void muxer_msg_iter_finalize(bt_self_message_iterator
*self_msg_iter
)
1260 struct muxer_msg_iter
*muxer_msg_iter
=
1261 bt_self_message_iterator_get_data(self_msg_iter
);
1262 bt_self_component
*self_comp
= NULL
;
1263 struct muxer_comp
*muxer_comp
= NULL
;
1265 self_comp
= bt_self_message_iterator_borrow_component(
1267 BT_ASSERT(self_comp
);
1268 muxer_comp
= bt_self_component_get_data(self_comp
);
1269 BT_LOGD("Finalizing muxer component's message iterator: "
1270 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1272 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1274 if (muxer_msg_iter
) {
1275 destroy_muxer_msg_iter(muxer_msg_iter
);
1280 bt_self_message_iterator_status
muxer_msg_iter_next(
1281 bt_self_message_iterator
*self_msg_iter
,
1282 bt_message_array_const msgs
, uint64_t capacity
,
1285 bt_self_message_iterator_status status
;
1286 struct muxer_msg_iter
*muxer_msg_iter
=
1287 bt_self_message_iterator_get_data(self_msg_iter
);
1288 bt_self_component
*self_comp
= NULL
;
1289 struct muxer_comp
*muxer_comp
= NULL
;
1291 BT_ASSERT(muxer_msg_iter
);
1292 self_comp
= bt_self_message_iterator_borrow_component(
1294 BT_ASSERT(self_comp
);
1295 muxer_comp
= bt_self_component_get_data(self_comp
);
1296 BT_ASSERT(muxer_comp
);
1297 BT_LOGV("Muxer component's message iterator's \"next\" method called: "
1298 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1300 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1302 status
= muxer_msg_iter_do_next(muxer_comp
, muxer_msg_iter
,
1303 msgs
, capacity
, count
);
1305 BT_LOGE("Cannot get next message: "
1306 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1307 "msg-iter-addr=%p, status=%s",
1308 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
,
1309 bt_common_self_message_iterator_status_string(status
));
1311 BT_LOGV("Returning from muxer component's message iterator's \"next\" method: "
1313 bt_common_self_message_iterator_status_string(status
));
1320 bt_self_component_status
muxer_input_port_connected(
1321 bt_self_component_filter
*self_comp
,
1322 bt_self_component_port_input
*self_port
,
1323 const bt_port_output
*other_port
)
1325 bt_self_component_status status
;
1327 status
= add_available_input_port(self_comp
);
1330 * Only way to report an error later since this
1331 * method does not return anything.
1333 BT_LOGE("Cannot add one muxer component's input port: "
1335 bt_self_component_status_string(status
));
1344 bt_bool
muxer_upstream_msg_iters_can_all_seek_beginning(
1345 GPtrArray
*muxer_upstream_msg_iters
)
1348 bt_bool ret
= BT_TRUE
;
1350 for (i
= 0; i
< muxer_upstream_msg_iters
->len
; i
++) {
1351 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1352 muxer_upstream_msg_iters
->pdata
[i
];
1354 if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
1355 upstream_msg_iter
->msg_iter
)) {
1366 bt_bool
muxer_msg_iter_can_seek_beginning(
1367 bt_self_message_iterator
*self_msg_iter
)
1369 struct muxer_msg_iter
*muxer_msg_iter
=
1370 bt_self_message_iterator_get_data(self_msg_iter
);
1371 bt_bool ret
= BT_TRUE
;
1373 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1374 muxer_msg_iter
->active_muxer_upstream_msg_iters
)) {
1379 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1380 muxer_msg_iter
->ended_muxer_upstream_msg_iters
)) {
1390 bt_self_message_iterator_status
muxer_msg_iter_seek_beginning(
1391 bt_self_message_iterator
*self_msg_iter
)
1393 struct muxer_msg_iter
*muxer_msg_iter
=
1394 bt_self_message_iterator_get_data(self_msg_iter
);
1398 /* Seek all ended upstream iterators first */
1399 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1401 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1402 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1404 status
= bt_self_component_port_input_message_iterator_seek_beginning(
1405 upstream_msg_iter
->msg_iter
);
1406 if (status
!= BT_MESSAGE_ITERATOR_STATUS_OK
) {
1410 empty_message_queue(upstream_msg_iter
);
1413 /* Seek all previously active upstream iterators */
1414 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1416 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1417 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
];
1419 status
= bt_self_component_port_input_message_iterator_seek_beginning(
1420 upstream_msg_iter
->msg_iter
);
1421 if (status
!= BT_MESSAGE_ITERATOR_STATUS_OK
) {
1425 empty_message_queue(upstream_msg_iter
);
1428 /* Make them all active */
1429 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1431 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1432 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1434 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1436 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1439 g_ptr_array_remove_range(muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1440 0, muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
);
1441 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1442 muxer_msg_iter
->clock_class_expectation
=
1443 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
;