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_NONE
,
67 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
,
68 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
,
69 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
,
72 struct muxer_msg_iter
{
74 * Array of struct muxer_upstream_msg_iter * (owned by this).
76 * NOTE: This array is searched in linearly to find the youngest
77 * current message. Keep this until benchmarks confirm that
78 * another data structure is faster than this for our typical
81 GPtrArray
*active_muxer_upstream_msg_iters
;
84 * Array of struct muxer_upstream_msg_iter * (owned by this).
86 * We move ended message iterators from
87 * `active_muxer_upstream_msg_iters` to this array so as to be
88 * able to restore them when seeking.
90 GPtrArray
*ended_muxer_upstream_msg_iters
;
92 /* Last time returned in a message */
93 int64_t last_returned_ts_ns
;
95 /* Clock class expectation state */
96 enum muxer_msg_iter_clock_class_expectation clock_class_expectation
;
99 * Expected clock class UUID, only valid when
100 * clock_class_expectation is
101 * MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID.
103 unsigned char expected_clock_class_uuid
[BABELTRACE_UUID_LEN
];
107 void empty_message_queue(struct muxer_upstream_msg_iter
*upstream_msg_iter
)
109 const bt_message
*msg
;
111 while ((msg
= g_queue_pop_head(upstream_msg_iter
->msgs
))) {
112 bt_message_put_ref(msg
);
117 void destroy_muxer_upstream_msg_iter(
118 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
)
120 if (!muxer_upstream_msg_iter
) {
124 BT_LOGD("Destroying muxer's upstream message iterator wrapper: "
125 "addr=%p, msg-iter-addr=%p, queue-len=%u",
126 muxer_upstream_msg_iter
,
127 muxer_upstream_msg_iter
->msg_iter
,
128 muxer_upstream_msg_iter
->msgs
->length
);
129 bt_self_component_port_input_message_iterator_put_ref(
130 muxer_upstream_msg_iter
->msg_iter
);
132 if (muxer_upstream_msg_iter
->msgs
) {
133 empty_message_queue(muxer_upstream_msg_iter
);
134 g_queue_free(muxer_upstream_msg_iter
->msgs
);
137 g_free(muxer_upstream_msg_iter
);
141 struct muxer_upstream_msg_iter
*muxer_msg_iter_add_upstream_msg_iter(
142 struct muxer_msg_iter
*muxer_msg_iter
,
143 bt_self_component_port_input_message_iterator
*self_msg_iter
)
145 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
146 g_new0(struct muxer_upstream_msg_iter
, 1);
148 if (!muxer_upstream_msg_iter
) {
149 BT_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper.");
153 muxer_upstream_msg_iter
->msg_iter
= self_msg_iter
;
154 bt_self_component_port_input_message_iterator_get_ref(muxer_upstream_msg_iter
->msg_iter
);
155 muxer_upstream_msg_iter
->msgs
= g_queue_new();
156 if (!muxer_upstream_msg_iter
->msgs
) {
157 BT_LOGE_STR("Failed to allocate a GQueue.");
161 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
162 muxer_upstream_msg_iter
);
163 BT_LOGD("Added muxer's upstream message iterator wrapper: "
164 "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p",
165 muxer_upstream_msg_iter
, muxer_msg_iter
,
171 g_free(muxer_upstream_msg_iter
);
172 muxer_upstream_msg_iter
= NULL
;
175 return muxer_upstream_msg_iter
;
179 bt_self_component_status
add_available_input_port(
180 bt_self_component_filter
*self_comp
)
182 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
183 bt_self_component_filter_as_self_component(self_comp
));
184 bt_self_component_status status
= BT_SELF_COMPONENT_STATUS_OK
;
185 GString
*port_name
= NULL
;
187 BT_ASSERT(muxer_comp
);
188 port_name
= g_string_new("in");
190 BT_LOGE_STR("Failed to allocate a GString.");
191 status
= BT_SELF_COMPONENT_STATUS_NOMEM
;
195 g_string_append_printf(port_name
, "%u", muxer_comp
->next_port_num
);
196 status
= bt_self_component_filter_add_input_port(
197 self_comp
, port_name
->str
, NULL
, NULL
);
198 if (status
!= BT_SELF_COMPONENT_STATUS_OK
) {
199 BT_LOGE("Cannot add input port to muxer component: "
200 "port-name=\"%s\", comp-addr=%p, status=%s",
201 port_name
->str
, self_comp
,
202 bt_self_component_status_string(status
));
206 muxer_comp
->available_input_ports
++;
207 muxer_comp
->next_port_num
++;
208 BT_LOGD("Added one input port to muxer component: "
209 "port-name=\"%s\", comp-addr=%p",
210 port_name
->str
, self_comp
);
214 g_string_free(port_name
, TRUE
);
221 bt_self_component_status
create_output_port(
222 bt_self_component_filter
*self_comp
)
224 return bt_self_component_filter_add_output_port(
225 self_comp
, "out", NULL
, NULL
);
229 void destroy_muxer_comp(struct muxer_comp
*muxer_comp
)
239 bt_value
*get_default_params(void)
244 params
= bt_value_map_create();
246 BT_LOGE_STR("Cannot create a map value object.");
250 ret
= bt_value_map_insert_bool_entry(params
,
251 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, false);
253 BT_LOGE_STR("Cannot add boolean value to map value object.");
260 BT_VALUE_PUT_REF_AND_RESET(params
);
267 int configure_muxer_comp(struct muxer_comp
*muxer_comp
,
268 const bt_value
*params
)
270 bt_value
*default_params
= NULL
;
271 bt_value
*real_params
= NULL
;
272 const bt_value
*assume_absolute_clock_classes
= NULL
;
276 default_params
= get_default_params();
277 if (!default_params
) {
278 BT_LOGE("Cannot get default parameters: "
279 "muxer-comp-addr=%p", muxer_comp
);
283 ret
= bt_value_map_extend(default_params
, params
, &real_params
);
285 BT_LOGE("Cannot extend default parameters map value: "
286 "muxer-comp-addr=%p, def-params-addr=%p, "
287 "params-addr=%p", muxer_comp
, default_params
,
292 assume_absolute_clock_classes
= bt_value_map_borrow_entry_value(real_params
,
293 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
);
294 if (assume_absolute_clock_classes
&&
295 !bt_value_is_bool(assume_absolute_clock_classes
)) {
296 BT_LOGE("Expecting a boolean value for the `%s` parameter: "
297 "muxer-comp-addr=%p, value-type=%s",
298 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, muxer_comp
,
299 bt_common_value_type_string(
300 bt_value_get_type(assume_absolute_clock_classes
)));
304 bool_val
= bt_value_bool_get(assume_absolute_clock_classes
);
305 muxer_comp
->assume_absolute_clock_classes
= (bool) bool_val
;
306 BT_LOGD("Configured muxer component: muxer-comp-addr=%p, "
307 "assume-absolute-clock-classes=%d",
308 muxer_comp
, muxer_comp
->assume_absolute_clock_classes
);
315 bt_value_put_ref(default_params
);
316 bt_value_put_ref(real_params
);
321 bt_self_component_status
muxer_init(
322 bt_self_component_filter
*self_comp
,
323 const bt_value
*params
, void *init_data
)
326 bt_self_component_status status
= BT_SELF_COMPONENT_STATUS_OK
;
327 struct muxer_comp
*muxer_comp
= g_new0(struct muxer_comp
, 1);
329 BT_LOGD("Initializing muxer component: "
330 "comp-addr=%p, params-addr=%p", self_comp
, params
);
333 BT_LOGE_STR("Failed to allocate one muxer component.");
337 ret
= configure_muxer_comp(muxer_comp
, params
);
339 BT_LOGE("Cannot configure muxer component: "
340 "muxer-comp-addr=%p, params-addr=%p",
345 muxer_comp
->self_comp
= self_comp
;
346 bt_self_component_set_data(
347 bt_self_component_filter_as_self_component(self_comp
),
349 status
= add_available_input_port(self_comp
);
350 if (status
!= BT_SELF_COMPONENT_STATUS_OK
) {
351 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
352 "muxer-comp-addr=%p, status=%s",
354 bt_self_component_status_string(status
));
358 status
= create_output_port(self_comp
);
360 BT_LOGE("Cannot create muxer component's output port: "
361 "muxer-comp-addr=%p, status=%s",
363 bt_self_component_status_string(status
));
367 BT_LOGD("Initialized muxer component: "
368 "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
369 self_comp
, params
, muxer_comp
);
374 destroy_muxer_comp(muxer_comp
);
375 bt_self_component_set_data(
376 bt_self_component_filter_as_self_component(self_comp
),
379 if (status
== BT_SELF_COMPONENT_STATUS_OK
) {
380 status
= BT_SELF_COMPONENT_STATUS_ERROR
;
388 void muxer_finalize(bt_self_component_filter
*self_comp
)
390 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
391 bt_self_component_filter_as_self_component(self_comp
));
393 BT_LOGD("Finalizing muxer component: comp-addr=%p",
395 destroy_muxer_comp(muxer_comp
);
399 bt_self_component_port_input_message_iterator
*
400 create_msg_iter_on_input_port(bt_self_component_port_input
*self_port
)
402 const bt_port
*port
= bt_self_component_port_as_port(
403 bt_self_component_port_input_as_self_component_port(
405 bt_self_component_port_input_message_iterator
*msg_iter
=
409 BT_ASSERT(bt_port_is_connected(port
));
411 // TODO: Advance the iterator to >= the time of the latest
412 // returned message by the muxer message
413 // iterator which creates it.
414 msg_iter
= bt_self_component_port_input_message_iterator_create(
417 BT_LOGE("Cannot create upstream message iterator on input port: "
418 "port-addr=%p, port-name=\"%s\"",
419 port
, bt_port_get_name(port
));
423 BT_LOGD("Created upstream message iterator on input port: "
424 "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p",
425 port
, bt_port_get_name(port
), msg_iter
);
432 bt_self_message_iterator_status
muxer_upstream_msg_iter_next(
433 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
436 bt_self_message_iterator_status status
;
437 bt_message_iterator_status input_port_iter_status
;
438 bt_message_array_const msgs
;
442 BT_LOGV("Calling upstream message iterator's \"next\" method: "
443 "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p",
444 muxer_upstream_msg_iter
,
445 muxer_upstream_msg_iter
->msg_iter
);
446 input_port_iter_status
= bt_self_component_port_input_message_iterator_next(
447 muxer_upstream_msg_iter
->msg_iter
, &msgs
, &count
);
448 BT_LOGV("Upstream message iterator's \"next\" method returned: "
449 "status=%s", bt_message_iterator_status_string(input_port_iter_status
));
451 switch (input_port_iter_status
) {
452 case BT_MESSAGE_ITERATOR_STATUS_OK
:
454 * Message iterator's current message is
455 * valid: it must be considered for muxing operations.
457 BT_LOGV_STR("Validated upstream message iterator wrapper.");
458 BT_ASSERT(count
> 0);
460 /* Move messages to our queue */
461 for (i
= 0; i
< count
; i
++) {
463 * Push to tail in order; other side
464 * (muxer_msg_iter_do_next_one()) consumes
465 * from the head first.
467 g_queue_push_tail(muxer_upstream_msg_iter
->msgs
,
470 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
472 case BT_MESSAGE_ITERATOR_STATUS_AGAIN
:
474 * Message iterator's current message is not
475 * valid anymore. Return
476 * BT_MESSAGE_ITERATOR_STATUS_AGAIN immediately.
478 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN
;
480 case BT_MESSAGE_ITERATOR_STATUS_END
: /* Fall-through. */
482 * Message iterator reached the end: release it. It
483 * won't be considered again to find the youngest
487 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
490 /* Error or unsupported status code */
491 BT_LOGE("Error or unsupported status code: "
492 "status-code=%d", input_port_iter_status
);
493 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
501 int get_msg_ts_ns(struct muxer_comp
*muxer_comp
,
502 struct muxer_msg_iter
*muxer_msg_iter
,
503 const bt_message
*msg
, int64_t last_returned_ts_ns
,
506 const bt_clock_snapshot
*clock_snapshot
= NULL
;
508 bt_clock_snapshot_state cs_state
= BT_CLOCK_SNAPSHOT_STATE_KNOWN
;
509 bt_message_stream_activity_clock_snapshot_state sa_cs_state
;
513 BT_LOGV("Getting message's timestamp: "
514 "muxer-msg-iter-addr=%p, msg-addr=%p, "
515 "last-returned-ts=%" PRId64
,
516 muxer_msg_iter
, msg
, last_returned_ts_ns
);
518 if (unlikely(muxer_msg_iter
->clock_class_expectation
==
519 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
)) {
520 *ts_ns
= last_returned_ts_ns
;
524 switch (bt_message_get_type(msg
)) {
525 case BT_MESSAGE_TYPE_EVENT
:
526 BT_ASSERT(bt_message_event_borrow_stream_class_default_clock_class_const(
528 cs_state
= bt_message_event_borrow_default_clock_snapshot_const(
529 msg
, &clock_snapshot
);
531 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
532 BT_ASSERT(bt_message_packet_beginning_borrow_stream_class_default_clock_class_const(
534 cs_state
= bt_message_packet_beginning_borrow_default_clock_snapshot_const(
535 msg
, &clock_snapshot
);
537 case BT_MESSAGE_TYPE_PACKET_END
:
538 BT_ASSERT(bt_message_packet_end_borrow_stream_class_default_clock_class_const(
540 cs_state
= bt_message_packet_end_borrow_default_clock_snapshot_const(
541 msg
, &clock_snapshot
);
543 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
544 BT_ASSERT(bt_message_discarded_events_borrow_stream_class_default_clock_class_const(
546 cs_state
= bt_message_discarded_events_borrow_default_beginning_clock_snapshot_const(
547 msg
, &clock_snapshot
);
549 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
550 BT_ASSERT(bt_message_discarded_packets_borrow_stream_class_default_clock_class_const(
552 cs_state
= bt_message_discarded_packets_borrow_default_beginning_clock_snapshot_const(
553 msg
, &clock_snapshot
);
555 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING
:
556 BT_ASSERT(bt_message_stream_activity_beginning_borrow_stream_class_default_clock_class_const(
558 sa_cs_state
= bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const(
559 msg
, &clock_snapshot
);
560 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
561 goto no_clock_snapshot
;
565 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END
:
566 BT_ASSERT(bt_message_stream_activity_end_borrow_stream_class_default_clock_class_const(
568 sa_cs_state
= bt_message_stream_activity_end_borrow_default_clock_snapshot_const(
569 msg
, &clock_snapshot
);
570 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
571 goto no_clock_snapshot
;
575 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
:
577 bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
578 msg
, &clock_snapshot
);
581 /* All the other messages have a higher priority */
582 BT_LOGV_STR("Message has no timestamp: using the last returned timestamp.");
583 *ts_ns
= last_returned_ts_ns
;
587 BT_ASSERT(cs_state
== BT_CLOCK_SNAPSHOT_STATE_KNOWN
);
588 ret
= bt_clock_snapshot_get_ns_from_origin(clock_snapshot
, ts_ns
);
590 BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
591 "clock-snapshot-addr=%p", clock_snapshot
);
598 BT_LOGV_STR("Message's default clock snapshot is missing: "
599 "using the last returned timestamp.");
600 *ts_ns
= last_returned_ts_ns
;
608 BT_LOGV("Found message's timestamp: "
609 "muxer-msg-iter-addr=%p, msg-addr=%p, "
610 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
611 muxer_msg_iter
, msg
, last_returned_ts_ns
,
619 int validate_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
620 struct muxer_comp
*muxer_comp
,
621 const bt_clock_class
*clock_class
)
624 const unsigned char *cc_uuid
;
627 BT_ASSERT(clock_class
);
628 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
629 cc_name
= bt_clock_class_get_name(clock_class
);
631 if (muxer_msg_iter
->clock_class_expectation
==
632 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
634 * This is the first clock class that this muxer
635 * message iterator encounters. Its properties
636 * determine what to expect for the whole lifetime of
637 * the iterator without a true
638 * `assume-absolute-clock-classes` parameter.
640 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
641 /* Expect absolute clock classes */
642 muxer_msg_iter
->clock_class_expectation
=
643 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
647 * Expect non-absolute clock classes
648 * with a specific UUID.
650 muxer_msg_iter
->clock_class_expectation
=
651 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
652 memcpy(muxer_msg_iter
->expected_clock_class_uuid
,
653 cc_uuid
, BABELTRACE_UUID_LEN
);
656 * Expect non-absolute clock classes
659 muxer_msg_iter
->clock_class_expectation
=
660 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
665 if (!muxer_comp
->assume_absolute_clock_classes
) {
666 switch (muxer_msg_iter
->clock_class_expectation
) {
667 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
668 if (!bt_clock_class_origin_is_unix_epoch(clock_class
)) {
669 BT_LOGE("Expecting an absolute clock class, "
670 "but got a non-absolute one: "
671 "clock-class-addr=%p, clock-class-name=\"%s\"",
672 clock_class
, cc_name
);
676 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
677 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
678 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
679 "but got an absolute one: "
680 "clock-class-addr=%p, clock-class-name=\"%s\"",
681 clock_class
, cc_name
);
686 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
687 "but got one with a UUID: "
688 "clock-class-addr=%p, clock-class-name=\"%s\", "
689 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
690 clock_class
, cc_name
,
691 (unsigned int) cc_uuid
[0],
692 (unsigned int) cc_uuid
[1],
693 (unsigned int) cc_uuid
[2],
694 (unsigned int) cc_uuid
[3],
695 (unsigned int) cc_uuid
[4],
696 (unsigned int) cc_uuid
[5],
697 (unsigned int) cc_uuid
[6],
698 (unsigned int) cc_uuid
[7],
699 (unsigned int) cc_uuid
[8],
700 (unsigned int) cc_uuid
[9],
701 (unsigned int) cc_uuid
[10],
702 (unsigned int) cc_uuid
[11],
703 (unsigned int) cc_uuid
[12],
704 (unsigned int) cc_uuid
[13],
705 (unsigned int) cc_uuid
[14],
706 (unsigned int) cc_uuid
[15]);
710 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
711 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
712 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
713 "but got an absolute one: "
714 "clock-class-addr=%p, clock-class-name=\"%s\"",
715 clock_class
, cc_name
);
720 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
721 "but got one with no UUID: "
722 "clock-class-addr=%p, clock-class-name=\"%s\"",
723 clock_class
, cc_name
);
727 if (memcmp(muxer_msg_iter
->expected_clock_class_uuid
,
728 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
729 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
730 "but got one with different UUID: "
731 "clock-class-addr=%p, clock-class-name=\"%s\", "
732 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
733 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
734 clock_class
, cc_name
,
735 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[0],
736 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[1],
737 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[2],
738 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[3],
739 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[4],
740 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[5],
741 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[6],
742 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[7],
743 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[8],
744 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[9],
745 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[10],
746 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[11],
747 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[12],
748 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[13],
749 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[14],
750 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[15],
751 (unsigned int) cc_uuid
[0],
752 (unsigned int) cc_uuid
[1],
753 (unsigned int) cc_uuid
[2],
754 (unsigned int) cc_uuid
[3],
755 (unsigned int) cc_uuid
[4],
756 (unsigned int) cc_uuid
[5],
757 (unsigned int) cc_uuid
[6],
758 (unsigned int) cc_uuid
[7],
759 (unsigned int) cc_uuid
[8],
760 (unsigned int) cc_uuid
[9],
761 (unsigned int) cc_uuid
[10],
762 (unsigned int) cc_uuid
[11],
763 (unsigned int) cc_uuid
[12],
764 (unsigned int) cc_uuid
[13],
765 (unsigned int) cc_uuid
[14],
766 (unsigned int) cc_uuid
[15]);
770 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
:
771 BT_LOGE("Expecting no clock class, but got one: "
772 "clock-class-addr=%p, clock-class-name=\"%s\"",
773 clock_class
, cc_name
);
777 BT_LOGF("Unexpected clock class expectation: "
778 "expectation-code=%d",
779 muxer_msg_iter
->clock_class_expectation
);
794 int validate_new_stream_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
795 struct muxer_comp
*muxer_comp
, const bt_stream
*stream
)
798 const bt_stream_class
*stream_class
=
799 bt_stream_borrow_class_const(stream
);
800 const bt_clock_class
*clock_class
=
801 bt_stream_class_borrow_default_clock_class_const(stream_class
);
804 if (muxer_msg_iter
->clock_class_expectation
==
805 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
806 /* Expect no clock class */
807 muxer_msg_iter
->clock_class_expectation
=
808 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
;
810 BT_LOGE("Expecting stream class with a default clock class: "
811 "stream-class-addr=%p, stream-class-name=\"%s\", "
812 "stream-class-id=%" PRIu64
,
813 stream_class
, bt_stream_class_get_name(stream_class
),
814 bt_stream_class_get_id(stream_class
));
821 if (!bt_stream_class_default_clock_is_always_known(stream_class
)) {
822 BT_LOGE("Stream's default clock is not always known: "
823 "stream-class-addr=%p, stream-class-name=\"%s\", "
824 "stream-class-id=%" PRIu64
,
825 stream_class
, bt_stream_class_get_name(stream_class
),
826 bt_stream_class_get_id(stream_class
));
831 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
, clock_class
);
838 * This function finds the youngest available message amongst the
839 * non-ended upstream message iterators and returns the upstream
840 * message iterator which has it, or
841 * BT_MESSAGE_ITERATOR_STATUS_END if there's no available
844 * This function does NOT:
846 * * Update any upstream message iterator.
847 * * Check the upstream message iterators to retry.
849 * On sucess, this function sets *muxer_upstream_msg_iter to the
850 * upstream message iterator of which the current message is
851 * the youngest, and sets *ts_ns to its time.
854 bt_self_message_iterator_status
855 muxer_msg_iter_youngest_upstream_msg_iter(
856 struct muxer_comp
*muxer_comp
,
857 struct muxer_msg_iter
*muxer_msg_iter
,
858 struct muxer_upstream_msg_iter
**muxer_upstream_msg_iter
,
863 int64_t youngest_ts_ns
= INT64_MAX
;
864 bt_self_message_iterator_status status
=
865 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
867 BT_ASSERT(muxer_comp
);
868 BT_ASSERT(muxer_msg_iter
);
869 BT_ASSERT(muxer_upstream_msg_iter
);
870 *muxer_upstream_msg_iter
= NULL
;
872 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
874 const bt_message
*msg
;
875 struct muxer_upstream_msg_iter
*cur_muxer_upstream_msg_iter
=
877 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
881 if (!cur_muxer_upstream_msg_iter
->msg_iter
) {
882 /* This upstream message iterator is ended */
883 BT_LOGV("Skipping ended upstream message iterator: "
884 "muxer-upstream-msg-iter-wrap-addr=%p",
885 cur_muxer_upstream_msg_iter
);
889 BT_ASSERT(cur_muxer_upstream_msg_iter
->msgs
->length
> 0);
890 msg
= g_queue_peek_head(cur_muxer_upstream_msg_iter
->msgs
);
893 if (unlikely(bt_message_get_type(msg
) ==
894 BT_MESSAGE_TYPE_STREAM_BEGINNING
)) {
895 ret
= validate_new_stream_clock_class(
896 muxer_msg_iter
, muxer_comp
,
897 bt_message_stream_beginning_borrow_stream_const(
901 * validate_new_stream_clock_class() logs
904 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
907 } else if (unlikely(bt_message_get_type(msg
) ==
908 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
)) {
909 const bt_clock_snapshot
*cs
;
910 bt_clock_snapshot_state cs_state
;
912 cs_state
= bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
915 if (cs_state
!= BT_CLOCK_SNAPSHOT_STATE_KNOWN
) {
916 BT_LOGE("Message iterator inactivity message's "
917 "default clock snapshot is unknown: "
920 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
924 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
,
925 bt_clock_snapshot_borrow_clock_class_const(cs
));
927 /* validate_clock_class() logs errors */
928 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
933 ret
= get_msg_ts_ns(muxer_comp
, muxer_msg_iter
, msg
,
934 muxer_msg_iter
->last_returned_ts_ns
, &msg_ts_ns
);
936 /* get_msg_ts_ns() logs errors */
937 *muxer_upstream_msg_iter
= NULL
;
938 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
942 if (msg_ts_ns
<= youngest_ts_ns
) {
943 *muxer_upstream_msg_iter
=
944 cur_muxer_upstream_msg_iter
;
945 youngest_ts_ns
= msg_ts_ns
;
946 *ts_ns
= youngest_ts_ns
;
950 if (!*muxer_upstream_msg_iter
) {
951 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_END
;
960 bt_self_message_iterator_status
validate_muxer_upstream_msg_iter(
961 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
964 bt_self_message_iterator_status status
=
965 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
967 BT_LOGV("Validating muxer's upstream message iterator wrapper: "
968 "muxer-upstream-msg-iter-wrap-addr=%p",
969 muxer_upstream_msg_iter
);
971 if (muxer_upstream_msg_iter
->msgs
->length
> 0 ||
972 !muxer_upstream_msg_iter
->msg_iter
) {
973 BT_LOGV("Already valid or not considered: "
974 "queue-len=%u, upstream-msg-iter-addr=%p",
975 muxer_upstream_msg_iter
->msgs
->length
,
976 muxer_upstream_msg_iter
->msg_iter
);
980 /* muxer_upstream_msg_iter_next() logs details/errors */
981 status
= muxer_upstream_msg_iter_next(muxer_upstream_msg_iter
,
989 bt_self_message_iterator_status
validate_muxer_upstream_msg_iters(
990 struct muxer_msg_iter
*muxer_msg_iter
)
992 bt_self_message_iterator_status status
=
993 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
996 BT_LOGV("Validating muxer's upstream message iterator wrappers: "
997 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
999 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1001 bool is_ended
= false;
1002 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
1004 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1007 status
= validate_muxer_upstream_msg_iter(
1008 muxer_upstream_msg_iter
, &is_ended
);
1009 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1011 BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
1012 "muxer-msg-iter-addr=%p, "
1013 "muxer-upstream-msg-iter-wrap-addr=%p",
1015 muxer_upstream_msg_iter
);
1017 BT_LOGV("Cannot validate muxer's upstream message iterator wrapper: "
1018 "muxer-msg-iter-addr=%p, "
1019 "muxer-upstream-msg-iter-wrap-addr=%p",
1021 muxer_upstream_msg_iter
);
1028 * Move this muxer upstream message iterator to the
1029 * array of ended iterators if it's ended.
1031 if (unlikely(is_ended
)) {
1032 BT_LOGV("Muxer's upstream message iterator wrapper: ended or canceled: "
1033 "muxer-msg-iter-addr=%p, "
1034 "muxer-upstream-msg-iter-wrap-addr=%p",
1035 muxer_msg_iter
, muxer_upstream_msg_iter
);
1037 muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1038 muxer_upstream_msg_iter
);
1039 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1042 * Use g_ptr_array_remove_fast() because the
1043 * order of those elements is not important.
1045 g_ptr_array_remove_index_fast(
1046 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1057 bt_self_message_iterator_status
muxer_msg_iter_do_next_one(
1058 struct muxer_comp
*muxer_comp
,
1059 struct muxer_msg_iter
*muxer_msg_iter
,
1060 const bt_message
**msg
)
1062 bt_self_message_iterator_status status
;
1063 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
= NULL
;
1064 int64_t next_return_ts
;
1066 status
= validate_muxer_upstream_msg_iters(muxer_msg_iter
);
1067 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1068 /* validate_muxer_upstream_msg_iters() logs details */
1073 * At this point we know that all the existing upstream
1074 * message iterators are valid. We can find the one,
1075 * amongst those, of which the current message is the
1078 status
= muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp
,
1079 muxer_msg_iter
, &muxer_upstream_msg_iter
,
1081 if (status
< 0 || status
== BT_SELF_MESSAGE_ITERATOR_STATUS_END
) {
1083 BT_LOGE("Cannot find the youngest upstream message iterator wrapper: "
1085 bt_common_self_message_iterator_status_string(status
));
1087 BT_LOGV("Cannot find the youngest upstream message iterator wrapper: "
1089 bt_common_self_message_iterator_status_string(status
));
1095 if (next_return_ts
< muxer_msg_iter
->last_returned_ts_ns
) {
1096 BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
1097 "muxer-msg-iter-addr=%p, ts=%" PRId64
", "
1098 "last-returned-ts=%" PRId64
,
1099 muxer_msg_iter
, next_return_ts
,
1100 muxer_msg_iter
->last_returned_ts_ns
);
1101 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1105 BT_LOGV("Found youngest upstream message iterator wrapper: "
1106 "muxer-msg-iter-addr=%p, "
1107 "muxer-upstream-msg-iter-wrap-addr=%p, "
1109 muxer_msg_iter
, muxer_upstream_msg_iter
, next_return_ts
);
1110 BT_ASSERT(status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
);
1111 BT_ASSERT(muxer_upstream_msg_iter
);
1114 * Consume from the queue's head: other side
1115 * (muxer_upstream_msg_iter_next()) writes to the tail.
1117 *msg
= g_queue_pop_head(muxer_upstream_msg_iter
->msgs
);
1119 muxer_msg_iter
->last_returned_ts_ns
= next_return_ts
;
1126 bt_self_message_iterator_status
muxer_msg_iter_do_next(
1127 struct muxer_comp
*muxer_comp
,
1128 struct muxer_msg_iter
*muxer_msg_iter
,
1129 bt_message_array_const msgs
, uint64_t capacity
,
1132 bt_self_message_iterator_status status
=
1133 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1136 while (i
< capacity
&& status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1137 status
= muxer_msg_iter_do_next_one(muxer_comp
,
1138 muxer_msg_iter
, &msgs
[i
]);
1139 if (status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1146 * Even if muxer_msg_iter_do_next_one() returned
1147 * something else than
1148 * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated
1149 * message objects in the output message
1150 * array, so we need to return
1151 * BT_MESSAGE_ITERATOR_STATUS_OK so that they are
1152 * transfered to downstream. This other status occurs
1153 * again the next time muxer_msg_iter_do_next() is
1154 * called, possibly without any accumulated
1155 * message, in which case we'll return it.
1158 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1165 void destroy_muxer_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
)
1167 if (!muxer_msg_iter
) {
1171 BT_LOGD("Destroying muxer component's message iterator: "
1172 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1174 if (muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1175 BT_LOGD_STR("Destroying muxer's active upstream message iterator wrappers.");
1177 muxer_msg_iter
->active_muxer_upstream_msg_iters
, TRUE
);
1180 if (muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1181 BT_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers.");
1183 muxer_msg_iter
->ended_muxer_upstream_msg_iters
, TRUE
);
1186 g_free(muxer_msg_iter
);
1190 int muxer_msg_iter_init_upstream_iterators(struct muxer_comp
*muxer_comp
,
1191 struct muxer_msg_iter
*muxer_msg_iter
)
1197 count
= bt_component_filter_get_input_port_count(
1198 bt_self_component_filter_as_component_filter(
1199 muxer_comp
->self_comp
));
1201 BT_LOGD("No input port to initialize for muxer component's message iterator: "
1202 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
1203 muxer_comp
, muxer_msg_iter
);
1207 for (i
= 0; i
< count
; i
++) {
1208 bt_self_component_port_input_message_iterator
*upstream_msg_iter
;
1209 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
;
1210 bt_self_component_port_input
*self_port
=
1211 bt_self_component_filter_borrow_input_port_by_index(
1212 muxer_comp
->self_comp
, i
);
1213 const bt_port
*port
;
1215 BT_ASSERT(self_port
);
1216 port
= bt_self_component_port_as_port(
1217 bt_self_component_port_input_as_self_component_port(
1221 if (!bt_port_is_connected(port
)) {
1222 /* Skip non-connected port */
1226 upstream_msg_iter
= create_msg_iter_on_input_port(self_port
);
1227 if (!upstream_msg_iter
) {
1228 /* create_msg_iter_on_input_port() logs errors */
1229 BT_ASSERT(!upstream_msg_iter
);
1234 muxer_upstream_msg_iter
=
1235 muxer_msg_iter_add_upstream_msg_iter(
1236 muxer_msg_iter
, upstream_msg_iter
);
1237 bt_self_component_port_input_message_iterator_put_ref(
1239 if (!muxer_upstream_msg_iter
) {
1240 /* muxer_msg_iter_add_upstream_msg_iter() logs errors */
1251 bt_self_message_iterator_status
muxer_msg_iter_init(
1252 bt_self_message_iterator
*self_msg_iter
,
1253 bt_self_component_filter
*self_comp
,
1254 bt_self_component_port_output
*port
)
1256 struct muxer_comp
*muxer_comp
= NULL
;
1257 struct muxer_msg_iter
*muxer_msg_iter
= NULL
;
1258 bt_self_message_iterator_status status
=
1259 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1262 muxer_comp
= bt_self_component_get_data(
1263 bt_self_component_filter_as_self_component(self_comp
));
1264 BT_ASSERT(muxer_comp
);
1265 BT_LOGD("Initializing muxer component's message iterator: "
1266 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1267 self_comp
, muxer_comp
, self_msg_iter
);
1269 if (muxer_comp
->initializing_muxer_msg_iter
) {
1271 * Weird, unhandled situation detected: downstream
1272 * creates a muxer message iterator while creating
1273 * another muxer message iterator (same component).
1275 BT_LOGE("Recursive initialization of muxer component's message iterator: "
1276 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1277 self_comp
, muxer_comp
, self_msg_iter
);
1281 muxer_comp
->initializing_muxer_msg_iter
= true;
1282 muxer_msg_iter
= g_new0(struct muxer_msg_iter
, 1);
1283 if (!muxer_msg_iter
) {
1284 BT_LOGE_STR("Failed to allocate one muxer component's message iterator.");
1288 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1289 muxer_msg_iter
->active_muxer_upstream_msg_iters
=
1290 g_ptr_array_new_with_free_func(
1291 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1292 if (!muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1293 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1297 muxer_msg_iter
->ended_muxer_upstream_msg_iters
=
1298 g_ptr_array_new_with_free_func(
1299 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1300 if (!muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1301 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1305 ret
= muxer_msg_iter_init_upstream_iterators(muxer_comp
,
1308 BT_LOGE("Cannot initialize connected input ports for muxer component's message iterator: "
1309 "comp-addr=%p, muxer-comp-addr=%p, "
1310 "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
1311 self_comp
, muxer_comp
, muxer_msg_iter
,
1312 self_msg_iter
, ret
);
1316 bt_self_message_iterator_set_data(self_msg_iter
, muxer_msg_iter
);
1317 BT_LOGD("Initialized muxer component's message iterator: "
1318 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1320 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1324 destroy_muxer_msg_iter(muxer_msg_iter
);
1325 bt_self_message_iterator_set_data(self_msg_iter
, NULL
);
1326 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1329 muxer_comp
->initializing_muxer_msg_iter
= false;
1334 void muxer_msg_iter_finalize(bt_self_message_iterator
*self_msg_iter
)
1336 struct muxer_msg_iter
*muxer_msg_iter
=
1337 bt_self_message_iterator_get_data(self_msg_iter
);
1338 bt_self_component
*self_comp
= NULL
;
1339 struct muxer_comp
*muxer_comp
= NULL
;
1341 self_comp
= bt_self_message_iterator_borrow_component(
1343 BT_ASSERT(self_comp
);
1344 muxer_comp
= bt_self_component_get_data(self_comp
);
1345 BT_LOGD("Finalizing muxer component's message iterator: "
1346 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1348 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1350 if (muxer_msg_iter
) {
1351 destroy_muxer_msg_iter(muxer_msg_iter
);
1356 bt_self_message_iterator_status
muxer_msg_iter_next(
1357 bt_self_message_iterator
*self_msg_iter
,
1358 bt_message_array_const msgs
, uint64_t capacity
,
1361 bt_self_message_iterator_status status
;
1362 struct muxer_msg_iter
*muxer_msg_iter
=
1363 bt_self_message_iterator_get_data(self_msg_iter
);
1364 bt_self_component
*self_comp
= NULL
;
1365 struct muxer_comp
*muxer_comp
= NULL
;
1367 BT_ASSERT(muxer_msg_iter
);
1368 self_comp
= bt_self_message_iterator_borrow_component(
1370 BT_ASSERT(self_comp
);
1371 muxer_comp
= bt_self_component_get_data(self_comp
);
1372 BT_ASSERT(muxer_comp
);
1373 BT_LOGV("Muxer component's message iterator's \"next\" method called: "
1374 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1376 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1378 status
= muxer_msg_iter_do_next(muxer_comp
, muxer_msg_iter
,
1379 msgs
, capacity
, count
);
1381 BT_LOGE("Cannot get next message: "
1382 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1383 "msg-iter-addr=%p, status=%s",
1384 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
,
1385 bt_common_self_message_iterator_status_string(status
));
1387 BT_LOGV("Returning from muxer component's message iterator's \"next\" method: "
1389 bt_common_self_message_iterator_status_string(status
));
1396 bt_self_component_status
muxer_input_port_connected(
1397 bt_self_component_filter
*self_comp
,
1398 bt_self_component_port_input
*self_port
,
1399 const bt_port_output
*other_port
)
1401 bt_self_component_status status
;
1403 status
= add_available_input_port(self_comp
);
1406 * Only way to report an error later since this
1407 * method does not return anything.
1409 BT_LOGE("Cannot add one muxer component's input port: "
1411 bt_self_component_status_string(status
));
1420 bt_bool
muxer_upstream_msg_iters_can_all_seek_beginning(
1421 GPtrArray
*muxer_upstream_msg_iters
)
1424 bt_bool ret
= BT_TRUE
;
1426 for (i
= 0; i
< muxer_upstream_msg_iters
->len
; i
++) {
1427 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1428 muxer_upstream_msg_iters
->pdata
[i
];
1430 if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
1431 upstream_msg_iter
->msg_iter
)) {
1442 bt_bool
muxer_msg_iter_can_seek_beginning(
1443 bt_self_message_iterator
*self_msg_iter
)
1445 struct muxer_msg_iter
*muxer_msg_iter
=
1446 bt_self_message_iterator_get_data(self_msg_iter
);
1447 bt_bool ret
= BT_TRUE
;
1449 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1450 muxer_msg_iter
->active_muxer_upstream_msg_iters
)) {
1455 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1456 muxer_msg_iter
->ended_muxer_upstream_msg_iters
)) {
1466 bt_self_message_iterator_status
muxer_msg_iter_seek_beginning(
1467 bt_self_message_iterator
*self_msg_iter
)
1469 struct muxer_msg_iter
*muxer_msg_iter
=
1470 bt_self_message_iterator_get_data(self_msg_iter
);
1471 bt_message_iterator_status status
= BT_MESSAGE_ITERATOR_STATUS_OK
;
1474 /* Seek all ended upstream iterators first */
1475 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1477 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1478 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1480 status
= bt_self_component_port_input_message_iterator_seek_beginning(
1481 upstream_msg_iter
->msg_iter
);
1482 if (status
!= BT_MESSAGE_ITERATOR_STATUS_OK
) {
1486 empty_message_queue(upstream_msg_iter
);
1489 /* Seek all previously active upstream iterators */
1490 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1492 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1493 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
];
1495 status
= bt_self_component_port_input_message_iterator_seek_beginning(
1496 upstream_msg_iter
->msg_iter
);
1497 if (status
!= BT_MESSAGE_ITERATOR_STATUS_OK
) {
1501 empty_message_queue(upstream_msg_iter
);
1504 /* Make them all active */
1505 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1507 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1508 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1510 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1512 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1515 g_ptr_array_remove_range(muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1516 0, muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
);
1517 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1518 muxer_msg_iter
->clock_class_expectation
=
1519 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
;
1522 return (bt_self_message_iterator_status
) status
;