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 <babeltrace2/babeltrace-internal.h>
27 #include <babeltrace2/compat/uuid-internal.h>
28 #include <babeltrace2/babeltrace.h>
29 #include <babeltrace2/value-internal.h>
30 #include <babeltrace2/graph/component-internal.h>
31 #include <babeltrace2/graph/message-iterator-internal.h>
32 #include <babeltrace2/graph/connection-internal.h>
33 #include <plugins-common.h>
37 #include <babeltrace2/assert-internal.h>
38 #include <babeltrace2/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 int muxer_msg_iter_add_upstream_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
,
142 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
);
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_message_stream_activity_clock_snapshot_state sa_cs_state
;
509 const bt_stream_class
*stream_class
= NULL
;
510 bt_message_type msg_type
;
514 BT_LOGV("Getting message's timestamp: "
515 "muxer-msg-iter-addr=%p, msg-addr=%p, "
516 "last-returned-ts=%" PRId64
,
517 muxer_msg_iter
, msg
, last_returned_ts_ns
);
519 if (unlikely(muxer_msg_iter
->clock_class_expectation
==
520 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
)) {
521 *ts_ns
= last_returned_ts_ns
;
525 msg_type
= bt_message_get_type(msg
);
527 if (unlikely(msg_type
== BT_MESSAGE_TYPE_PACKET_BEGINNING
)) {
528 stream_class
= bt_stream_borrow_class_const(
529 bt_packet_borrow_stream_const(
530 bt_message_packet_beginning_borrow_packet_const(
532 } else if (unlikely(msg_type
== BT_MESSAGE_TYPE_PACKET_END
)) {
533 stream_class
= bt_stream_borrow_class_const(
534 bt_packet_borrow_stream_const(
535 bt_message_packet_end_borrow_packet_const(
537 } else if (unlikely(msg_type
== BT_MESSAGE_TYPE_DISCARDED_EVENTS
)) {
538 stream_class
= bt_stream_borrow_class_const(
539 bt_message_discarded_events_borrow_stream_const(msg
));
540 } else if (unlikely(msg_type
== BT_MESSAGE_TYPE_DISCARDED_PACKETS
)) {
541 stream_class
= bt_stream_borrow_class_const(
542 bt_message_discarded_packets_borrow_stream_const(msg
));
546 case BT_MESSAGE_TYPE_EVENT
:
547 BT_ASSERT(bt_message_event_borrow_stream_class_default_clock_class_const(
549 clock_snapshot
= bt_message_event_borrow_default_clock_snapshot_const(
552 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
553 if (bt_stream_class_packets_have_beginning_default_clock_snapshot(
555 clock_snapshot
= bt_message_packet_beginning_borrow_default_clock_snapshot_const(
558 goto no_clock_snapshot
;
562 case BT_MESSAGE_TYPE_PACKET_END
:
563 if (bt_stream_class_packets_have_end_default_clock_snapshot(
565 clock_snapshot
= bt_message_packet_end_borrow_default_clock_snapshot_const(
568 goto no_clock_snapshot
;
572 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
573 if (bt_stream_class_discarded_events_have_default_clock_snapshots(
575 clock_snapshot
= bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const(
578 goto no_clock_snapshot
;
582 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
583 if (bt_stream_class_discarded_packets_have_default_clock_snapshots(
585 clock_snapshot
= bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const(
588 goto no_clock_snapshot
;
592 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING
:
593 BT_ASSERT(bt_message_stream_activity_beginning_borrow_stream_class_default_clock_class_const(
595 sa_cs_state
= bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const(
596 msg
, &clock_snapshot
);
597 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
598 goto no_clock_snapshot
;
602 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END
:
603 BT_ASSERT(bt_message_stream_activity_end_borrow_stream_class_default_clock_class_const(
605 sa_cs_state
= bt_message_stream_activity_end_borrow_default_clock_snapshot_const(
606 msg
, &clock_snapshot
);
607 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
608 goto no_clock_snapshot
;
612 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
:
613 clock_snapshot
= bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
617 /* All the other messages have a higher priority */
618 BT_LOGV_STR("Message has no timestamp: using the last returned timestamp.");
619 *ts_ns
= last_returned_ts_ns
;
623 ret
= bt_clock_snapshot_get_ns_from_origin(clock_snapshot
, ts_ns
);
625 BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
626 "clock-snapshot-addr=%p", clock_snapshot
);
633 BT_LOGV_STR("Message's default clock snapshot is missing: "
634 "using the last returned timestamp.");
635 *ts_ns
= last_returned_ts_ns
;
643 BT_LOGV("Found message's timestamp: "
644 "muxer-msg-iter-addr=%p, msg-addr=%p, "
645 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
646 muxer_msg_iter
, msg
, last_returned_ts_ns
,
654 int validate_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
655 struct muxer_comp
*muxer_comp
,
656 const bt_clock_class
*clock_class
)
659 const unsigned char *cc_uuid
;
662 BT_ASSERT(clock_class
);
663 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
664 cc_name
= bt_clock_class_get_name(clock_class
);
666 if (muxer_msg_iter
->clock_class_expectation
==
667 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
669 * This is the first clock class that this muxer
670 * message iterator encounters. Its properties
671 * determine what to expect for the whole lifetime of
672 * the iterator without a true
673 * `assume-absolute-clock-classes` parameter.
675 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
676 /* Expect absolute clock classes */
677 muxer_msg_iter
->clock_class_expectation
=
678 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
682 * Expect non-absolute clock classes
683 * with a specific UUID.
685 muxer_msg_iter
->clock_class_expectation
=
686 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
687 memcpy(muxer_msg_iter
->expected_clock_class_uuid
,
688 cc_uuid
, BABELTRACE_UUID_LEN
);
691 * Expect non-absolute clock classes
694 muxer_msg_iter
->clock_class_expectation
=
695 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
700 if (!muxer_comp
->assume_absolute_clock_classes
) {
701 switch (muxer_msg_iter
->clock_class_expectation
) {
702 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
703 if (!bt_clock_class_origin_is_unix_epoch(clock_class
)) {
704 BT_LOGE("Expecting an absolute clock class, "
705 "but got a non-absolute one: "
706 "clock-class-addr=%p, clock-class-name=\"%s\"",
707 clock_class
, cc_name
);
711 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
712 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
713 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
714 "but got an absolute one: "
715 "clock-class-addr=%p, clock-class-name=\"%s\"",
716 clock_class
, cc_name
);
721 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
722 "but got one with a UUID: "
723 "clock-class-addr=%p, clock-class-name=\"%s\", "
724 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
725 clock_class
, cc_name
,
726 (unsigned int) cc_uuid
[0],
727 (unsigned int) cc_uuid
[1],
728 (unsigned int) cc_uuid
[2],
729 (unsigned int) cc_uuid
[3],
730 (unsigned int) cc_uuid
[4],
731 (unsigned int) cc_uuid
[5],
732 (unsigned int) cc_uuid
[6],
733 (unsigned int) cc_uuid
[7],
734 (unsigned int) cc_uuid
[8],
735 (unsigned int) cc_uuid
[9],
736 (unsigned int) cc_uuid
[10],
737 (unsigned int) cc_uuid
[11],
738 (unsigned int) cc_uuid
[12],
739 (unsigned int) cc_uuid
[13],
740 (unsigned int) cc_uuid
[14],
741 (unsigned int) cc_uuid
[15]);
745 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
746 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
747 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
748 "but got an absolute one: "
749 "clock-class-addr=%p, clock-class-name=\"%s\"",
750 clock_class
, cc_name
);
755 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
756 "but got one with no UUID: "
757 "clock-class-addr=%p, clock-class-name=\"%s\"",
758 clock_class
, cc_name
);
762 if (memcmp(muxer_msg_iter
->expected_clock_class_uuid
,
763 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
764 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
765 "but got one with different UUID: "
766 "clock-class-addr=%p, clock-class-name=\"%s\", "
767 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
768 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
769 clock_class
, cc_name
,
770 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[0],
771 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[1],
772 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[2],
773 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[3],
774 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[4],
775 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[5],
776 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[6],
777 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[7],
778 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[8],
779 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[9],
780 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[10],
781 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[11],
782 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[12],
783 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[13],
784 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[14],
785 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[15],
786 (unsigned int) cc_uuid
[0],
787 (unsigned int) cc_uuid
[1],
788 (unsigned int) cc_uuid
[2],
789 (unsigned int) cc_uuid
[3],
790 (unsigned int) cc_uuid
[4],
791 (unsigned int) cc_uuid
[5],
792 (unsigned int) cc_uuid
[6],
793 (unsigned int) cc_uuid
[7],
794 (unsigned int) cc_uuid
[8],
795 (unsigned int) cc_uuid
[9],
796 (unsigned int) cc_uuid
[10],
797 (unsigned int) cc_uuid
[11],
798 (unsigned int) cc_uuid
[12],
799 (unsigned int) cc_uuid
[13],
800 (unsigned int) cc_uuid
[14],
801 (unsigned int) cc_uuid
[15]);
805 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
:
806 BT_LOGE("Expecting no clock class, but got one: "
807 "clock-class-addr=%p, clock-class-name=\"%s\"",
808 clock_class
, cc_name
);
812 BT_LOGF("Unexpected clock class expectation: "
813 "expectation-code=%d",
814 muxer_msg_iter
->clock_class_expectation
);
829 int validate_new_stream_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
830 struct muxer_comp
*muxer_comp
, const bt_stream
*stream
)
833 const bt_stream_class
*stream_class
=
834 bt_stream_borrow_class_const(stream
);
835 const bt_clock_class
*clock_class
=
836 bt_stream_class_borrow_default_clock_class_const(stream_class
);
839 if (muxer_msg_iter
->clock_class_expectation
==
840 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
841 /* Expect no clock class */
842 muxer_msg_iter
->clock_class_expectation
=
843 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
;
845 BT_LOGE("Expecting stream class with a default clock class: "
846 "stream-class-addr=%p, stream-class-name=\"%s\", "
847 "stream-class-id=%" PRIu64
,
848 stream_class
, bt_stream_class_get_name(stream_class
),
849 bt_stream_class_get_id(stream_class
));
856 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
, clock_class
);
863 * This function finds the youngest available message amongst the
864 * non-ended upstream message iterators and returns the upstream
865 * message iterator which has it, or
866 * BT_MESSAGE_ITERATOR_STATUS_END if there's no available
869 * This function does NOT:
871 * * Update any upstream message iterator.
872 * * Check the upstream message iterators to retry.
874 * On sucess, this function sets *muxer_upstream_msg_iter to the
875 * upstream message iterator of which the current message is
876 * the youngest, and sets *ts_ns to its time.
879 bt_self_message_iterator_status
880 muxer_msg_iter_youngest_upstream_msg_iter(
881 struct muxer_comp
*muxer_comp
,
882 struct muxer_msg_iter
*muxer_msg_iter
,
883 struct muxer_upstream_msg_iter
**muxer_upstream_msg_iter
,
888 int64_t youngest_ts_ns
= INT64_MAX
;
889 bt_self_message_iterator_status status
=
890 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
892 BT_ASSERT(muxer_comp
);
893 BT_ASSERT(muxer_msg_iter
);
894 BT_ASSERT(muxer_upstream_msg_iter
);
895 *muxer_upstream_msg_iter
= NULL
;
897 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
899 const bt_message
*msg
;
900 struct muxer_upstream_msg_iter
*cur_muxer_upstream_msg_iter
=
902 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
906 if (!cur_muxer_upstream_msg_iter
->msg_iter
) {
907 /* This upstream message iterator is ended */
908 BT_LOGV("Skipping ended upstream message iterator: "
909 "muxer-upstream-msg-iter-wrap-addr=%p",
910 cur_muxer_upstream_msg_iter
);
914 BT_ASSERT(cur_muxer_upstream_msg_iter
->msgs
->length
> 0);
915 msg
= g_queue_peek_head(cur_muxer_upstream_msg_iter
->msgs
);
918 if (unlikely(bt_message_get_type(msg
) ==
919 BT_MESSAGE_TYPE_STREAM_BEGINNING
)) {
920 ret
= validate_new_stream_clock_class(
921 muxer_msg_iter
, muxer_comp
,
922 bt_message_stream_beginning_borrow_stream_const(
926 * validate_new_stream_clock_class() logs
929 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
932 } else if (unlikely(bt_message_get_type(msg
) ==
933 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
)) {
934 const bt_clock_snapshot
*cs
;
936 cs
= bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
938 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
,
939 bt_clock_snapshot_borrow_clock_class_const(cs
));
941 /* validate_clock_class() logs errors */
942 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
947 ret
= get_msg_ts_ns(muxer_comp
, muxer_msg_iter
, msg
,
948 muxer_msg_iter
->last_returned_ts_ns
, &msg_ts_ns
);
950 /* get_msg_ts_ns() logs errors */
951 *muxer_upstream_msg_iter
= NULL
;
952 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
956 if (msg_ts_ns
<= youngest_ts_ns
) {
957 *muxer_upstream_msg_iter
=
958 cur_muxer_upstream_msg_iter
;
959 youngest_ts_ns
= msg_ts_ns
;
960 *ts_ns
= youngest_ts_ns
;
964 if (!*muxer_upstream_msg_iter
) {
965 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_END
;
974 bt_self_message_iterator_status
validate_muxer_upstream_msg_iter(
975 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
978 bt_self_message_iterator_status status
=
979 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
981 BT_LOGV("Validating muxer's upstream message iterator wrapper: "
982 "muxer-upstream-msg-iter-wrap-addr=%p",
983 muxer_upstream_msg_iter
);
985 if (muxer_upstream_msg_iter
->msgs
->length
> 0 ||
986 !muxer_upstream_msg_iter
->msg_iter
) {
987 BT_LOGV("Already valid or not considered: "
988 "queue-len=%u, upstream-msg-iter-addr=%p",
989 muxer_upstream_msg_iter
->msgs
->length
,
990 muxer_upstream_msg_iter
->msg_iter
);
994 /* muxer_upstream_msg_iter_next() logs details/errors */
995 status
= muxer_upstream_msg_iter_next(muxer_upstream_msg_iter
,
1003 bt_self_message_iterator_status
validate_muxer_upstream_msg_iters(
1004 struct muxer_msg_iter
*muxer_msg_iter
)
1006 bt_self_message_iterator_status status
=
1007 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1010 BT_LOGV("Validating muxer's upstream message iterator wrappers: "
1011 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1013 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1015 bool is_ended
= false;
1016 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
1018 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1021 status
= validate_muxer_upstream_msg_iter(
1022 muxer_upstream_msg_iter
, &is_ended
);
1023 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1025 BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
1026 "muxer-msg-iter-addr=%p, "
1027 "muxer-upstream-msg-iter-wrap-addr=%p",
1029 muxer_upstream_msg_iter
);
1031 BT_LOGV("Cannot validate muxer's upstream message iterator wrapper: "
1032 "muxer-msg-iter-addr=%p, "
1033 "muxer-upstream-msg-iter-wrap-addr=%p",
1035 muxer_upstream_msg_iter
);
1042 * Move this muxer upstream message iterator to the
1043 * array of ended iterators if it's ended.
1045 if (unlikely(is_ended
)) {
1046 BT_LOGV("Muxer's upstream message iterator wrapper: ended or canceled: "
1047 "muxer-msg-iter-addr=%p, "
1048 "muxer-upstream-msg-iter-wrap-addr=%p",
1049 muxer_msg_iter
, muxer_upstream_msg_iter
);
1051 muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1052 muxer_upstream_msg_iter
);
1053 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1056 * Use g_ptr_array_remove_fast() because the
1057 * order of those elements is not important.
1059 g_ptr_array_remove_index_fast(
1060 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1071 bt_self_message_iterator_status
muxer_msg_iter_do_next_one(
1072 struct muxer_comp
*muxer_comp
,
1073 struct muxer_msg_iter
*muxer_msg_iter
,
1074 const bt_message
**msg
)
1076 bt_self_message_iterator_status status
;
1077 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
= NULL
;
1078 int64_t next_return_ts
;
1080 status
= validate_muxer_upstream_msg_iters(muxer_msg_iter
);
1081 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1082 /* validate_muxer_upstream_msg_iters() logs details */
1087 * At this point we know that all the existing upstream
1088 * message iterators are valid. We can find the one,
1089 * amongst those, of which the current message is the
1092 status
= muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp
,
1093 muxer_msg_iter
, &muxer_upstream_msg_iter
,
1095 if (status
< 0 || status
== BT_SELF_MESSAGE_ITERATOR_STATUS_END
) {
1097 BT_LOGE("Cannot find the youngest upstream message iterator wrapper: "
1099 bt_common_self_message_iterator_status_string(status
));
1101 BT_LOGV("Cannot find the youngest upstream message iterator wrapper: "
1103 bt_common_self_message_iterator_status_string(status
));
1109 if (next_return_ts
< muxer_msg_iter
->last_returned_ts_ns
) {
1110 BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
1111 "muxer-msg-iter-addr=%p, ts=%" PRId64
", "
1112 "last-returned-ts=%" PRId64
,
1113 muxer_msg_iter
, next_return_ts
,
1114 muxer_msg_iter
->last_returned_ts_ns
);
1115 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1119 BT_LOGV("Found youngest upstream message iterator wrapper: "
1120 "muxer-msg-iter-addr=%p, "
1121 "muxer-upstream-msg-iter-wrap-addr=%p, "
1123 muxer_msg_iter
, muxer_upstream_msg_iter
, next_return_ts
);
1124 BT_ASSERT(status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
);
1125 BT_ASSERT(muxer_upstream_msg_iter
);
1128 * Consume from the queue's head: other side
1129 * (muxer_upstream_msg_iter_next()) writes to the tail.
1131 *msg
= g_queue_pop_head(muxer_upstream_msg_iter
->msgs
);
1133 muxer_msg_iter
->last_returned_ts_ns
= next_return_ts
;
1140 bt_self_message_iterator_status
muxer_msg_iter_do_next(
1141 struct muxer_comp
*muxer_comp
,
1142 struct muxer_msg_iter
*muxer_msg_iter
,
1143 bt_message_array_const msgs
, uint64_t capacity
,
1146 bt_self_message_iterator_status status
=
1147 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1150 while (i
< capacity
&& status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1151 status
= muxer_msg_iter_do_next_one(muxer_comp
,
1152 muxer_msg_iter
, &msgs
[i
]);
1153 if (status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1160 * Even if muxer_msg_iter_do_next_one() returned
1161 * something else than
1162 * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated
1163 * message objects in the output message
1164 * array, so we need to return
1165 * BT_MESSAGE_ITERATOR_STATUS_OK so that they are
1166 * transfered to downstream. This other status occurs
1167 * again the next time muxer_msg_iter_do_next() is
1168 * called, possibly without any accumulated
1169 * message, in which case we'll return it.
1172 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1179 void destroy_muxer_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
)
1181 if (!muxer_msg_iter
) {
1185 BT_LOGD("Destroying muxer component's message iterator: "
1186 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1188 if (muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1189 BT_LOGD_STR("Destroying muxer's active upstream message iterator wrappers.");
1191 muxer_msg_iter
->active_muxer_upstream_msg_iters
, TRUE
);
1194 if (muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1195 BT_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers.");
1197 muxer_msg_iter
->ended_muxer_upstream_msg_iters
, TRUE
);
1200 g_free(muxer_msg_iter
);
1204 int muxer_msg_iter_init_upstream_iterators(struct muxer_comp
*muxer_comp
,
1205 struct muxer_msg_iter
*muxer_msg_iter
)
1211 count
= bt_component_filter_get_input_port_count(
1212 bt_self_component_filter_as_component_filter(
1213 muxer_comp
->self_comp
));
1215 BT_LOGD("No input port to initialize for muxer component's message iterator: "
1216 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
1217 muxer_comp
, muxer_msg_iter
);
1221 for (i
= 0; i
< count
; i
++) {
1222 bt_self_component_port_input_message_iterator
*upstream_msg_iter
;
1223 bt_self_component_port_input
*self_port
=
1224 bt_self_component_filter_borrow_input_port_by_index(
1225 muxer_comp
->self_comp
, i
);
1226 const bt_port
*port
;
1228 BT_ASSERT(self_port
);
1229 port
= bt_self_component_port_as_port(
1230 bt_self_component_port_input_as_self_component_port(
1234 if (!bt_port_is_connected(port
)) {
1235 /* Skip non-connected port */
1239 upstream_msg_iter
= create_msg_iter_on_input_port(self_port
);
1240 if (!upstream_msg_iter
) {
1241 /* create_msg_iter_on_input_port() logs errors */
1242 BT_ASSERT(!upstream_msg_iter
);
1247 ret
= muxer_msg_iter_add_upstream_msg_iter(muxer_msg_iter
,
1249 bt_self_component_port_input_message_iterator_put_ref(
1252 /* muxer_msg_iter_add_upstream_msg_iter() logs errors */
1262 bt_self_message_iterator_status
muxer_msg_iter_init(
1263 bt_self_message_iterator
*self_msg_iter
,
1264 bt_self_component_filter
*self_comp
,
1265 bt_self_component_port_output
*port
)
1267 struct muxer_comp
*muxer_comp
= NULL
;
1268 struct muxer_msg_iter
*muxer_msg_iter
= NULL
;
1269 bt_self_message_iterator_status status
=
1270 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1273 muxer_comp
= bt_self_component_get_data(
1274 bt_self_component_filter_as_self_component(self_comp
));
1275 BT_ASSERT(muxer_comp
);
1276 BT_LOGD("Initializing muxer component's message iterator: "
1277 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1278 self_comp
, muxer_comp
, self_msg_iter
);
1280 if (muxer_comp
->initializing_muxer_msg_iter
) {
1282 * Weird, unhandled situation detected: downstream
1283 * creates a muxer message iterator while creating
1284 * another muxer message iterator (same component).
1286 BT_LOGE("Recursive initialization of muxer component's message iterator: "
1287 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1288 self_comp
, muxer_comp
, self_msg_iter
);
1292 muxer_comp
->initializing_muxer_msg_iter
= true;
1293 muxer_msg_iter
= g_new0(struct muxer_msg_iter
, 1);
1294 if (!muxer_msg_iter
) {
1295 BT_LOGE_STR("Failed to allocate one muxer component's message iterator.");
1299 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1300 muxer_msg_iter
->active_muxer_upstream_msg_iters
=
1301 g_ptr_array_new_with_free_func(
1302 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1303 if (!muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1304 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1308 muxer_msg_iter
->ended_muxer_upstream_msg_iters
=
1309 g_ptr_array_new_with_free_func(
1310 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1311 if (!muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1312 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1316 ret
= muxer_msg_iter_init_upstream_iterators(muxer_comp
,
1319 BT_LOGE("Cannot initialize connected input ports for muxer component's message iterator: "
1320 "comp-addr=%p, muxer-comp-addr=%p, "
1321 "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
1322 self_comp
, muxer_comp
, muxer_msg_iter
,
1323 self_msg_iter
, ret
);
1327 bt_self_message_iterator_set_data(self_msg_iter
, muxer_msg_iter
);
1328 BT_LOGD("Initialized muxer component's message iterator: "
1329 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1331 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1335 destroy_muxer_msg_iter(muxer_msg_iter
);
1336 bt_self_message_iterator_set_data(self_msg_iter
, NULL
);
1337 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1340 muxer_comp
->initializing_muxer_msg_iter
= false;
1345 void muxer_msg_iter_finalize(bt_self_message_iterator
*self_msg_iter
)
1347 struct muxer_msg_iter
*muxer_msg_iter
=
1348 bt_self_message_iterator_get_data(self_msg_iter
);
1349 bt_self_component
*self_comp
= NULL
;
1350 struct muxer_comp
*muxer_comp
= NULL
;
1352 self_comp
= bt_self_message_iterator_borrow_component(
1354 BT_ASSERT(self_comp
);
1355 muxer_comp
= bt_self_component_get_data(self_comp
);
1356 BT_LOGD("Finalizing muxer component's message iterator: "
1357 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1359 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1361 if (muxer_msg_iter
) {
1362 destroy_muxer_msg_iter(muxer_msg_iter
);
1367 bt_self_message_iterator_status
muxer_msg_iter_next(
1368 bt_self_message_iterator
*self_msg_iter
,
1369 bt_message_array_const msgs
, uint64_t capacity
,
1372 bt_self_message_iterator_status status
;
1373 struct muxer_msg_iter
*muxer_msg_iter
=
1374 bt_self_message_iterator_get_data(self_msg_iter
);
1375 bt_self_component
*self_comp
= NULL
;
1376 struct muxer_comp
*muxer_comp
= NULL
;
1378 BT_ASSERT(muxer_msg_iter
);
1379 self_comp
= bt_self_message_iterator_borrow_component(
1381 BT_ASSERT(self_comp
);
1382 muxer_comp
= bt_self_component_get_data(self_comp
);
1383 BT_ASSERT(muxer_comp
);
1384 BT_LOGV("Muxer component's message iterator's \"next\" method called: "
1385 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1387 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1389 status
= muxer_msg_iter_do_next(muxer_comp
, muxer_msg_iter
,
1390 msgs
, capacity
, count
);
1392 BT_LOGE("Cannot get next message: "
1393 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1394 "msg-iter-addr=%p, status=%s",
1395 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
,
1396 bt_common_self_message_iterator_status_string(status
));
1398 BT_LOGV("Returning from muxer component's message iterator's \"next\" method: "
1400 bt_common_self_message_iterator_status_string(status
));
1407 bt_self_component_status
muxer_input_port_connected(
1408 bt_self_component_filter
*self_comp
,
1409 bt_self_component_port_input
*self_port
,
1410 const bt_port_output
*other_port
)
1412 bt_self_component_status status
;
1414 status
= add_available_input_port(self_comp
);
1417 * Only way to report an error later since this
1418 * method does not return anything.
1420 BT_LOGE("Cannot add one muxer component's input port: "
1422 bt_self_component_status_string(status
));
1431 bt_bool
muxer_upstream_msg_iters_can_all_seek_beginning(
1432 GPtrArray
*muxer_upstream_msg_iters
)
1435 bt_bool ret
= BT_TRUE
;
1437 for (i
= 0; i
< muxer_upstream_msg_iters
->len
; i
++) {
1438 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1439 muxer_upstream_msg_iters
->pdata
[i
];
1441 if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
1442 upstream_msg_iter
->msg_iter
)) {
1453 bt_bool
muxer_msg_iter_can_seek_beginning(
1454 bt_self_message_iterator
*self_msg_iter
)
1456 struct muxer_msg_iter
*muxer_msg_iter
=
1457 bt_self_message_iterator_get_data(self_msg_iter
);
1458 bt_bool ret
= BT_TRUE
;
1460 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1461 muxer_msg_iter
->active_muxer_upstream_msg_iters
)) {
1466 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1467 muxer_msg_iter
->ended_muxer_upstream_msg_iters
)) {
1477 bt_self_message_iterator_status
muxer_msg_iter_seek_beginning(
1478 bt_self_message_iterator
*self_msg_iter
)
1480 struct muxer_msg_iter
*muxer_msg_iter
=
1481 bt_self_message_iterator_get_data(self_msg_iter
);
1482 bt_message_iterator_status status
= BT_MESSAGE_ITERATOR_STATUS_OK
;
1485 /* Seek all ended upstream iterators first */
1486 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1488 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1489 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1491 status
= bt_self_component_port_input_message_iterator_seek_beginning(
1492 upstream_msg_iter
->msg_iter
);
1493 if (status
!= BT_MESSAGE_ITERATOR_STATUS_OK
) {
1497 empty_message_queue(upstream_msg_iter
);
1500 /* Seek all previously active upstream iterators */
1501 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1503 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1504 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
];
1506 status
= bt_self_component_port_input_message_iterator_seek_beginning(
1507 upstream_msg_iter
->msg_iter
);
1508 if (status
!= BT_MESSAGE_ITERATOR_STATUS_OK
) {
1512 empty_message_queue(upstream_msg_iter
);
1515 /* Make them all active */
1516 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1518 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1519 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1521 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1523 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1526 g_ptr_array_remove_range(muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1527 0, muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
);
1528 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1529 muxer_msg_iter
->clock_class_expectation
=
1530 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
;
1533 return (bt_self_message_iterator_status
) status
;