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
,
169 return muxer_upstream_msg_iter
;
173 bt_self_component_status
add_available_input_port(
174 bt_self_component_filter
*self_comp
)
176 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
177 bt_self_component_filter_as_self_component(self_comp
));
178 bt_self_component_status status
= BT_SELF_COMPONENT_STATUS_OK
;
179 GString
*port_name
= NULL
;
181 BT_ASSERT(muxer_comp
);
182 port_name
= g_string_new("in");
184 BT_LOGE_STR("Failed to allocate a GString.");
185 status
= BT_SELF_COMPONENT_STATUS_NOMEM
;
189 g_string_append_printf(port_name
, "%u", muxer_comp
->next_port_num
);
190 status
= bt_self_component_filter_add_input_port(
191 self_comp
, port_name
->str
, NULL
, NULL
);
192 if (status
!= BT_SELF_COMPONENT_STATUS_OK
) {
193 BT_LOGE("Cannot add input port to muxer component: "
194 "port-name=\"%s\", comp-addr=%p, status=%s",
195 port_name
->str
, self_comp
,
196 bt_self_component_status_string(status
));
200 muxer_comp
->available_input_ports
++;
201 muxer_comp
->next_port_num
++;
202 BT_LOGD("Added one input port to muxer component: "
203 "port-name=\"%s\", comp-addr=%p",
204 port_name
->str
, self_comp
);
208 g_string_free(port_name
, TRUE
);
215 bt_self_component_status
create_output_port(
216 bt_self_component_filter
*self_comp
)
218 return bt_self_component_filter_add_output_port(
219 self_comp
, "out", NULL
, NULL
);
223 void destroy_muxer_comp(struct muxer_comp
*muxer_comp
)
233 bt_value
*get_default_params(void)
238 params
= bt_value_map_create();
240 BT_LOGE_STR("Cannot create a map value object.");
244 ret
= bt_value_map_insert_bool_entry(params
,
245 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, false);
247 BT_LOGE_STR("Cannot add boolean value to map value object.");
254 BT_VALUE_PUT_REF_AND_RESET(params
);
261 int configure_muxer_comp(struct muxer_comp
*muxer_comp
,
262 const bt_value
*params
)
264 bt_value
*default_params
= NULL
;
265 bt_value
*real_params
= NULL
;
266 const bt_value
*assume_absolute_clock_classes
= NULL
;
270 default_params
= get_default_params();
271 if (!default_params
) {
272 BT_LOGE("Cannot get default parameters: "
273 "muxer-comp-addr=%p", muxer_comp
);
277 ret
= bt_value_map_extend(default_params
, params
, &real_params
);
279 BT_LOGE("Cannot extend default parameters map value: "
280 "muxer-comp-addr=%p, def-params-addr=%p, "
281 "params-addr=%p", muxer_comp
, default_params
,
286 assume_absolute_clock_classes
= bt_value_map_borrow_entry_value(real_params
,
287 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
);
288 if (assume_absolute_clock_classes
&&
289 !bt_value_is_bool(assume_absolute_clock_classes
)) {
290 BT_LOGE("Expecting a boolean value for the `%s` parameter: "
291 "muxer-comp-addr=%p, value-type=%s",
292 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, muxer_comp
,
293 bt_common_value_type_string(
294 bt_value_get_type(assume_absolute_clock_classes
)));
298 bool_val
= bt_value_bool_get(assume_absolute_clock_classes
);
299 muxer_comp
->assume_absolute_clock_classes
= (bool) bool_val
;
300 BT_LOGD("Configured muxer component: muxer-comp-addr=%p, "
301 "assume-absolute-clock-classes=%d",
302 muxer_comp
, muxer_comp
->assume_absolute_clock_classes
);
309 bt_value_put_ref(default_params
);
310 bt_value_put_ref(real_params
);
315 bt_self_component_status
muxer_init(
316 bt_self_component_filter
*self_comp
,
317 const bt_value
*params
, void *init_data
)
320 bt_self_component_status status
= BT_SELF_COMPONENT_STATUS_OK
;
321 struct muxer_comp
*muxer_comp
= g_new0(struct muxer_comp
, 1);
323 BT_LOGD("Initializing muxer component: "
324 "comp-addr=%p, params-addr=%p", self_comp
, params
);
327 BT_LOGE_STR("Failed to allocate one muxer component.");
331 ret
= configure_muxer_comp(muxer_comp
, params
);
333 BT_LOGE("Cannot configure muxer component: "
334 "muxer-comp-addr=%p, params-addr=%p",
339 muxer_comp
->self_comp
= self_comp
;
340 bt_self_component_set_data(
341 bt_self_component_filter_as_self_component(self_comp
),
343 status
= add_available_input_port(self_comp
);
344 if (status
!= BT_SELF_COMPONENT_STATUS_OK
) {
345 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
346 "muxer-comp-addr=%p, status=%s",
348 bt_self_component_status_string(status
));
352 status
= create_output_port(self_comp
);
354 BT_LOGE("Cannot create muxer component's output port: "
355 "muxer-comp-addr=%p, status=%s",
357 bt_self_component_status_string(status
));
361 BT_LOGD("Initialized muxer component: "
362 "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
363 self_comp
, params
, muxer_comp
);
368 destroy_muxer_comp(muxer_comp
);
369 bt_self_component_set_data(
370 bt_self_component_filter_as_self_component(self_comp
),
373 if (status
== BT_SELF_COMPONENT_STATUS_OK
) {
374 status
= BT_SELF_COMPONENT_STATUS_ERROR
;
382 void muxer_finalize(bt_self_component_filter
*self_comp
)
384 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
385 bt_self_component_filter_as_self_component(self_comp
));
387 BT_LOGD("Finalizing muxer component: comp-addr=%p",
389 destroy_muxer_comp(muxer_comp
);
393 bt_self_component_port_input_message_iterator
*
394 create_msg_iter_on_input_port(bt_self_component_port_input
*self_port
)
396 const bt_port
*port
= bt_self_component_port_as_port(
397 bt_self_component_port_input_as_self_component_port(
399 bt_self_component_port_input_message_iterator
*msg_iter
=
403 BT_ASSERT(bt_port_is_connected(port
));
405 // TODO: Advance the iterator to >= the time of the latest
406 // returned message by the muxer message
407 // iterator which creates it.
408 msg_iter
= bt_self_component_port_input_message_iterator_create(
411 BT_LOGE("Cannot create upstream message iterator on input port: "
412 "port-addr=%p, port-name=\"%s\"",
413 port
, bt_port_get_name(port
));
417 BT_LOGD("Created upstream message iterator on input port: "
418 "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p",
419 port
, bt_port_get_name(port
), msg_iter
);
426 bt_self_message_iterator_status
muxer_upstream_msg_iter_next(
427 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
430 bt_self_message_iterator_status status
;
431 bt_message_iterator_status input_port_iter_status
;
432 bt_message_array_const msgs
;
436 BT_LOGV("Calling upstream message iterator's \"next\" method: "
437 "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p",
438 muxer_upstream_msg_iter
,
439 muxer_upstream_msg_iter
->msg_iter
);
440 input_port_iter_status
= bt_self_component_port_input_message_iterator_next(
441 muxer_upstream_msg_iter
->msg_iter
, &msgs
, &count
);
442 BT_LOGV("Upstream message iterator's \"next\" method returned: "
443 "status=%s", bt_message_iterator_status_string(input_port_iter_status
));
445 switch (input_port_iter_status
) {
446 case BT_MESSAGE_ITERATOR_STATUS_OK
:
448 * Message iterator's current message is
449 * valid: it must be considered for muxing operations.
451 BT_LOGV_STR("Validated upstream message iterator wrapper.");
452 BT_ASSERT(count
> 0);
454 /* Move messages to our queue */
455 for (i
= 0; i
< count
; i
++) {
457 * Push to tail in order; other side
458 * (muxer_msg_iter_do_next_one()) consumes
459 * from the head first.
461 g_queue_push_tail(muxer_upstream_msg_iter
->msgs
,
464 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
466 case BT_MESSAGE_ITERATOR_STATUS_AGAIN
:
468 * Message iterator's current message is not
469 * valid anymore. Return
470 * BT_MESSAGE_ITERATOR_STATUS_AGAIN immediately.
472 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN
;
474 case BT_MESSAGE_ITERATOR_STATUS_END
: /* Fall-through. */
476 * Message iterator reached the end: release it. It
477 * won't be considered again to find the youngest
481 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
484 /* Error or unsupported status code */
485 BT_LOGE("Error or unsupported status code: "
486 "status-code=%d", input_port_iter_status
);
487 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
495 int get_msg_ts_ns(struct muxer_comp
*muxer_comp
,
496 struct muxer_msg_iter
*muxer_msg_iter
,
497 const bt_message
*msg
, int64_t last_returned_ts_ns
,
500 const bt_clock_snapshot
*clock_snapshot
= NULL
;
502 bt_clock_snapshot_state cs_state
= BT_CLOCK_SNAPSHOT_STATE_KNOWN
;
503 bt_message_stream_activity_clock_snapshot_state sa_cs_state
;
507 BT_LOGV("Getting message's timestamp: "
508 "muxer-msg-iter-addr=%p, msg-addr=%p, "
509 "last-returned-ts=%" PRId64
,
510 muxer_msg_iter
, msg
, last_returned_ts_ns
);
512 if (unlikely(muxer_msg_iter
->clock_class_expectation
==
513 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
)) {
514 *ts_ns
= last_returned_ts_ns
;
518 switch (bt_message_get_type(msg
)) {
519 case BT_MESSAGE_TYPE_EVENT
:
520 BT_ASSERT(bt_message_event_borrow_stream_class_default_clock_class_const(
522 cs_state
= bt_message_event_borrow_default_clock_snapshot_const(
523 msg
, &clock_snapshot
);
525 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
526 BT_ASSERT(bt_message_packet_beginning_borrow_stream_class_default_clock_class_const(
528 cs_state
= bt_message_packet_beginning_borrow_default_clock_snapshot_const(
529 msg
, &clock_snapshot
);
531 case BT_MESSAGE_TYPE_PACKET_END
:
532 BT_ASSERT(bt_message_packet_end_borrow_stream_class_default_clock_class_const(
534 cs_state
= bt_message_packet_end_borrow_default_clock_snapshot_const(
535 msg
, &clock_snapshot
);
537 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
538 BT_ASSERT(bt_message_discarded_events_borrow_stream_class_default_clock_class_const(
540 cs_state
= bt_message_discarded_events_borrow_default_beginning_clock_snapshot_const(
541 msg
, &clock_snapshot
);
543 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
544 BT_ASSERT(bt_message_discarded_packets_borrow_stream_class_default_clock_class_const(
546 cs_state
= bt_message_discarded_packets_borrow_default_beginning_clock_snapshot_const(
547 msg
, &clock_snapshot
);
549 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING
:
550 BT_ASSERT(bt_message_stream_activity_beginning_borrow_stream_class_default_clock_class_const(
552 sa_cs_state
= bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const(
553 msg
, &clock_snapshot
);
554 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
555 goto no_clock_snapshot
;
559 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END
:
560 BT_ASSERT(bt_message_stream_activity_end_borrow_stream_class_default_clock_class_const(
562 sa_cs_state
= bt_message_stream_activity_end_borrow_default_clock_snapshot_const(
563 msg
, &clock_snapshot
);
564 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
565 goto no_clock_snapshot
;
569 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
:
571 bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
572 msg
, &clock_snapshot
);
575 /* All the other messages have a higher priority */
576 BT_LOGV_STR("Message has no timestamp: using the last returned timestamp.");
577 *ts_ns
= last_returned_ts_ns
;
581 BT_ASSERT(cs_state
== BT_CLOCK_SNAPSHOT_STATE_KNOWN
);
582 ret
= bt_clock_snapshot_get_ns_from_origin(clock_snapshot
, ts_ns
);
584 BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
585 "clock-snapshot-addr=%p", clock_snapshot
);
592 BT_LOGV_STR("Message's default clock snapshot is missing: "
593 "using the last returned timestamp.");
594 *ts_ns
= last_returned_ts_ns
;
602 BT_LOGV("Found message's timestamp: "
603 "muxer-msg-iter-addr=%p, msg-addr=%p, "
604 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
605 muxer_msg_iter
, msg
, last_returned_ts_ns
,
613 int validate_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
614 struct muxer_comp
*muxer_comp
,
615 const bt_clock_class
*clock_class
)
618 const unsigned char *cc_uuid
;
621 BT_ASSERT(clock_class
);
622 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
623 cc_name
= bt_clock_class_get_name(clock_class
);
625 if (muxer_msg_iter
->clock_class_expectation
==
626 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
628 * This is the first clock class that this muxer
629 * message iterator encounters. Its properties
630 * determine what to expect for the whole lifetime of
631 * the iterator without a true
632 * `assume-absolute-clock-classes` parameter.
634 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
635 /* Expect absolute clock classes */
636 muxer_msg_iter
->clock_class_expectation
=
637 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
641 * Expect non-absolute clock classes
642 * with a specific UUID.
644 muxer_msg_iter
->clock_class_expectation
=
645 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
646 memcpy(muxer_msg_iter
->expected_clock_class_uuid
,
647 cc_uuid
, BABELTRACE_UUID_LEN
);
650 * Expect non-absolute clock classes
653 muxer_msg_iter
->clock_class_expectation
=
654 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
659 if (!muxer_comp
->assume_absolute_clock_classes
) {
660 switch (muxer_msg_iter
->clock_class_expectation
) {
661 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
662 if (!bt_clock_class_origin_is_unix_epoch(clock_class
)) {
663 BT_LOGE("Expecting an absolute clock class, "
664 "but got a non-absolute one: "
665 "clock-class-addr=%p, clock-class-name=\"%s\"",
666 clock_class
, cc_name
);
670 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
671 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
672 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
673 "but got an absolute one: "
674 "clock-class-addr=%p, clock-class-name=\"%s\"",
675 clock_class
, cc_name
);
680 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
681 "but got one with a UUID: "
682 "clock-class-addr=%p, clock-class-name=\"%s\", "
683 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
684 clock_class
, cc_name
,
685 (unsigned int) cc_uuid
[0],
686 (unsigned int) cc_uuid
[1],
687 (unsigned int) cc_uuid
[2],
688 (unsigned int) cc_uuid
[3],
689 (unsigned int) cc_uuid
[4],
690 (unsigned int) cc_uuid
[5],
691 (unsigned int) cc_uuid
[6],
692 (unsigned int) cc_uuid
[7],
693 (unsigned int) cc_uuid
[8],
694 (unsigned int) cc_uuid
[9],
695 (unsigned int) cc_uuid
[10],
696 (unsigned int) cc_uuid
[11],
697 (unsigned int) cc_uuid
[12],
698 (unsigned int) cc_uuid
[13],
699 (unsigned int) cc_uuid
[14],
700 (unsigned int) cc_uuid
[15]);
704 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
705 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
706 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
707 "but got an absolute one: "
708 "clock-class-addr=%p, clock-class-name=\"%s\"",
709 clock_class
, cc_name
);
714 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
715 "but got one with no UUID: "
716 "clock-class-addr=%p, clock-class-name=\"%s\"",
717 clock_class
, cc_name
);
721 if (memcmp(muxer_msg_iter
->expected_clock_class_uuid
,
722 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
723 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
724 "but got one with different UUID: "
725 "clock-class-addr=%p, clock-class-name=\"%s\", "
726 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
727 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
728 clock_class
, cc_name
,
729 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[0],
730 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[1],
731 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[2],
732 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[3],
733 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[4],
734 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[5],
735 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[6],
736 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[7],
737 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[8],
738 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[9],
739 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[10],
740 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[11],
741 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[12],
742 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[13],
743 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[14],
744 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[15],
745 (unsigned int) cc_uuid
[0],
746 (unsigned int) cc_uuid
[1],
747 (unsigned int) cc_uuid
[2],
748 (unsigned int) cc_uuid
[3],
749 (unsigned int) cc_uuid
[4],
750 (unsigned int) cc_uuid
[5],
751 (unsigned int) cc_uuid
[6],
752 (unsigned int) cc_uuid
[7],
753 (unsigned int) cc_uuid
[8],
754 (unsigned int) cc_uuid
[9],
755 (unsigned int) cc_uuid
[10],
756 (unsigned int) cc_uuid
[11],
757 (unsigned int) cc_uuid
[12],
758 (unsigned int) cc_uuid
[13],
759 (unsigned int) cc_uuid
[14],
760 (unsigned int) cc_uuid
[15]);
764 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
:
765 BT_LOGE("Expecting no clock class, but got one: "
766 "clock-class-addr=%p, clock-class-name=\"%s\"",
767 clock_class
, cc_name
);
771 BT_LOGF("Unexpected clock class expectation: "
772 "expectation-code=%d",
773 muxer_msg_iter
->clock_class_expectation
);
788 int validate_new_stream_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
789 struct muxer_comp
*muxer_comp
, const bt_stream
*stream
)
792 const bt_stream_class
*stream_class
=
793 bt_stream_borrow_class_const(stream
);
794 const bt_clock_class
*clock_class
=
795 bt_stream_class_borrow_default_clock_class_const(stream_class
);
798 if (muxer_msg_iter
->clock_class_expectation
==
799 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
800 /* Expect no clock class */
801 muxer_msg_iter
->clock_class_expectation
=
802 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
;
804 BT_LOGE("Expecting stream class with a default clock class: "
805 "stream-class-addr=%p, stream-class-name=\"%s\", "
806 "stream-class-id=%" PRIu64
,
807 stream_class
, bt_stream_class_get_name(stream_class
),
808 bt_stream_class_get_id(stream_class
));
815 if (!bt_stream_class_default_clock_is_always_known(stream_class
)) {
816 BT_LOGE("Stream's default clock is not always known: "
817 "stream-class-addr=%p, stream-class-name=\"%s\", "
818 "stream-class-id=%" PRIu64
,
819 stream_class
, bt_stream_class_get_name(stream_class
),
820 bt_stream_class_get_id(stream_class
));
825 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
, clock_class
);
832 * This function finds the youngest available message amongst the
833 * non-ended upstream message iterators and returns the upstream
834 * message iterator which has it, or
835 * BT_MESSAGE_ITERATOR_STATUS_END if there's no available
838 * This function does NOT:
840 * * Update any upstream message iterator.
841 * * Check the upstream message iterators to retry.
843 * On sucess, this function sets *muxer_upstream_msg_iter to the
844 * upstream message iterator of which the current message is
845 * the youngest, and sets *ts_ns to its time.
848 bt_self_message_iterator_status
849 muxer_msg_iter_youngest_upstream_msg_iter(
850 struct muxer_comp
*muxer_comp
,
851 struct muxer_msg_iter
*muxer_msg_iter
,
852 struct muxer_upstream_msg_iter
**muxer_upstream_msg_iter
,
857 int64_t youngest_ts_ns
= INT64_MAX
;
858 bt_self_message_iterator_status status
=
859 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
861 BT_ASSERT(muxer_comp
);
862 BT_ASSERT(muxer_msg_iter
);
863 BT_ASSERT(muxer_upstream_msg_iter
);
864 *muxer_upstream_msg_iter
= NULL
;
866 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
868 const bt_message
*msg
;
869 struct muxer_upstream_msg_iter
*cur_muxer_upstream_msg_iter
=
871 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
875 if (!cur_muxer_upstream_msg_iter
->msg_iter
) {
876 /* This upstream message iterator is ended */
877 BT_LOGV("Skipping ended upstream message iterator: "
878 "muxer-upstream-msg-iter-wrap-addr=%p",
879 cur_muxer_upstream_msg_iter
);
883 BT_ASSERT(cur_muxer_upstream_msg_iter
->msgs
->length
> 0);
884 msg
= g_queue_peek_head(cur_muxer_upstream_msg_iter
->msgs
);
887 if (unlikely(bt_message_get_type(msg
) ==
888 BT_MESSAGE_TYPE_STREAM_BEGINNING
)) {
889 ret
= validate_new_stream_clock_class(
890 muxer_msg_iter
, muxer_comp
,
891 bt_message_stream_beginning_borrow_stream_const(
895 * validate_new_stream_clock_class() logs
898 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
901 } else if (unlikely(bt_message_get_type(msg
) ==
902 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
)) {
903 const bt_clock_snapshot
*cs
;
904 bt_clock_snapshot_state cs_state
;
906 cs_state
= bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
909 if (cs_state
!= BT_CLOCK_SNAPSHOT_STATE_KNOWN
) {
910 BT_LOGE("Message iterator inactivity message's "
911 "default clock snapshot is unknown: "
914 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
918 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
,
919 bt_clock_snapshot_borrow_clock_class_const(cs
));
921 /* validate_clock_class() logs errors */
922 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
927 ret
= get_msg_ts_ns(muxer_comp
, muxer_msg_iter
, msg
,
928 muxer_msg_iter
->last_returned_ts_ns
, &msg_ts_ns
);
930 /* get_msg_ts_ns() logs errors */
931 *muxer_upstream_msg_iter
= NULL
;
932 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
936 if (msg_ts_ns
<= youngest_ts_ns
) {
937 *muxer_upstream_msg_iter
=
938 cur_muxer_upstream_msg_iter
;
939 youngest_ts_ns
= msg_ts_ns
;
940 *ts_ns
= youngest_ts_ns
;
944 if (!*muxer_upstream_msg_iter
) {
945 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_END
;
954 bt_self_message_iterator_status
validate_muxer_upstream_msg_iter(
955 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
958 bt_self_message_iterator_status status
=
959 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
961 BT_LOGV("Validating muxer's upstream message iterator wrapper: "
962 "muxer-upstream-msg-iter-wrap-addr=%p",
963 muxer_upstream_msg_iter
);
965 if (muxer_upstream_msg_iter
->msgs
->length
> 0 ||
966 !muxer_upstream_msg_iter
->msg_iter
) {
967 BT_LOGV("Already valid or not considered: "
968 "queue-len=%u, upstream-msg-iter-addr=%p",
969 muxer_upstream_msg_iter
->msgs
->length
,
970 muxer_upstream_msg_iter
->msg_iter
);
974 /* muxer_upstream_msg_iter_next() logs details/errors */
975 status
= muxer_upstream_msg_iter_next(muxer_upstream_msg_iter
,
983 bt_self_message_iterator_status
validate_muxer_upstream_msg_iters(
984 struct muxer_msg_iter
*muxer_msg_iter
)
986 bt_self_message_iterator_status status
=
987 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
990 BT_LOGV("Validating muxer's upstream message iterator wrappers: "
991 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
993 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
995 bool is_ended
= false;
996 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
998 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1001 status
= validate_muxer_upstream_msg_iter(
1002 muxer_upstream_msg_iter
, &is_ended
);
1003 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1005 BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
1006 "muxer-msg-iter-addr=%p, "
1007 "muxer-upstream-msg-iter-wrap-addr=%p",
1009 muxer_upstream_msg_iter
);
1011 BT_LOGV("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
);
1022 * Move this muxer upstream message iterator to the
1023 * array of ended iterators if it's ended.
1025 if (unlikely(is_ended
)) {
1026 BT_LOGV("Muxer's upstream message iterator wrapper: ended or canceled: "
1027 "muxer-msg-iter-addr=%p, "
1028 "muxer-upstream-msg-iter-wrap-addr=%p",
1029 muxer_msg_iter
, muxer_upstream_msg_iter
);
1031 muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1032 muxer_upstream_msg_iter
);
1033 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1036 * Use g_ptr_array_remove_fast() because the
1037 * order of those elements is not important.
1039 g_ptr_array_remove_index_fast(
1040 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1051 bt_self_message_iterator_status
muxer_msg_iter_do_next_one(
1052 struct muxer_comp
*muxer_comp
,
1053 struct muxer_msg_iter
*muxer_msg_iter
,
1054 const bt_message
**msg
)
1056 bt_self_message_iterator_status status
;
1057 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
= NULL
;
1058 int64_t next_return_ts
;
1060 status
= validate_muxer_upstream_msg_iters(muxer_msg_iter
);
1061 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1062 /* validate_muxer_upstream_msg_iters() logs details */
1067 * At this point we know that all the existing upstream
1068 * message iterators are valid. We can find the one,
1069 * amongst those, of which the current message is the
1072 status
= muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp
,
1073 muxer_msg_iter
, &muxer_upstream_msg_iter
,
1075 if (status
< 0 || status
== BT_SELF_MESSAGE_ITERATOR_STATUS_END
) {
1077 BT_LOGE("Cannot find the youngest upstream message iterator wrapper: "
1079 bt_common_self_message_iterator_status_string(status
));
1081 BT_LOGV("Cannot find the youngest upstream message iterator wrapper: "
1083 bt_common_self_message_iterator_status_string(status
));
1089 if (next_return_ts
< muxer_msg_iter
->last_returned_ts_ns
) {
1090 BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
1091 "muxer-msg-iter-addr=%p, ts=%" PRId64
", "
1092 "last-returned-ts=%" PRId64
,
1093 muxer_msg_iter
, next_return_ts
,
1094 muxer_msg_iter
->last_returned_ts_ns
);
1095 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1099 BT_LOGV("Found youngest upstream message iterator wrapper: "
1100 "muxer-msg-iter-addr=%p, "
1101 "muxer-upstream-msg-iter-wrap-addr=%p, "
1103 muxer_msg_iter
, muxer_upstream_msg_iter
, next_return_ts
);
1104 BT_ASSERT(status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
);
1105 BT_ASSERT(muxer_upstream_msg_iter
);
1108 * Consume from the queue's head: other side
1109 * (muxer_upstream_msg_iter_next()) writes to the tail.
1111 *msg
= g_queue_pop_head(muxer_upstream_msg_iter
->msgs
);
1113 muxer_msg_iter
->last_returned_ts_ns
= next_return_ts
;
1120 bt_self_message_iterator_status
muxer_msg_iter_do_next(
1121 struct muxer_comp
*muxer_comp
,
1122 struct muxer_msg_iter
*muxer_msg_iter
,
1123 bt_message_array_const msgs
, uint64_t capacity
,
1126 bt_self_message_iterator_status status
=
1127 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1130 while (i
< capacity
&& status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1131 status
= muxer_msg_iter_do_next_one(muxer_comp
,
1132 muxer_msg_iter
, &msgs
[i
]);
1133 if (status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1140 * Even if muxer_msg_iter_do_next_one() returned
1141 * something else than
1142 * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated
1143 * message objects in the output message
1144 * array, so we need to return
1145 * BT_MESSAGE_ITERATOR_STATUS_OK so that they are
1146 * transfered to downstream. This other status occurs
1147 * again the next time muxer_msg_iter_do_next() is
1148 * called, possibly without any accumulated
1149 * message, in which case we'll return it.
1152 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1159 void destroy_muxer_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
)
1161 if (!muxer_msg_iter
) {
1165 BT_LOGD("Destroying muxer component's message iterator: "
1166 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1168 if (muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1169 BT_LOGD_STR("Destroying muxer's active upstream message iterator wrappers.");
1171 muxer_msg_iter
->active_muxer_upstream_msg_iters
, TRUE
);
1174 if (muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1175 BT_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers.");
1177 muxer_msg_iter
->ended_muxer_upstream_msg_iters
, TRUE
);
1180 g_free(muxer_msg_iter
);
1184 int muxer_msg_iter_init_upstream_iterators(struct muxer_comp
*muxer_comp
,
1185 struct muxer_msg_iter
*muxer_msg_iter
)
1191 count
= bt_component_filter_get_input_port_count(
1192 bt_self_component_filter_as_component_filter(
1193 muxer_comp
->self_comp
));
1195 BT_LOGD("No input port to initialize for muxer component's message iterator: "
1196 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
1197 muxer_comp
, muxer_msg_iter
);
1201 for (i
= 0; i
< count
; i
++) {
1202 bt_self_component_port_input_message_iterator
*upstream_msg_iter
;
1203 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
;
1204 bt_self_component_port_input
*self_port
=
1205 bt_self_component_filter_borrow_input_port_by_index(
1206 muxer_comp
->self_comp
, i
);
1207 const bt_port
*port
;
1209 BT_ASSERT(self_port
);
1210 port
= bt_self_component_port_as_port(
1211 bt_self_component_port_input_as_self_component_port(
1215 if (!bt_port_is_connected(port
)) {
1216 /* Skip non-connected port */
1220 upstream_msg_iter
= create_msg_iter_on_input_port(self_port
);
1221 if (!upstream_msg_iter
) {
1222 /* create_msg_iter_on_input_port() logs errors */
1223 BT_ASSERT(!upstream_msg_iter
);
1228 muxer_upstream_msg_iter
=
1229 muxer_msg_iter_add_upstream_msg_iter(
1230 muxer_msg_iter
, upstream_msg_iter
);
1231 bt_self_component_port_input_message_iterator_put_ref(
1233 if (!muxer_upstream_msg_iter
) {
1234 /* muxer_msg_iter_add_upstream_msg_iter() logs errors */
1245 bt_self_message_iterator_status
muxer_msg_iter_init(
1246 bt_self_message_iterator
*self_msg_iter
,
1247 bt_self_component_filter
*self_comp
,
1248 bt_self_component_port_output
*port
)
1250 struct muxer_comp
*muxer_comp
= NULL
;
1251 struct muxer_msg_iter
*muxer_msg_iter
= NULL
;
1252 bt_self_message_iterator_status status
=
1253 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1256 muxer_comp
= bt_self_component_get_data(
1257 bt_self_component_filter_as_self_component(self_comp
));
1258 BT_ASSERT(muxer_comp
);
1259 BT_LOGD("Initializing muxer component's message iterator: "
1260 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1261 self_comp
, muxer_comp
, self_msg_iter
);
1263 if (muxer_comp
->initializing_muxer_msg_iter
) {
1265 * Weird, unhandled situation detected: downstream
1266 * creates a muxer message iterator while creating
1267 * another muxer message iterator (same component).
1269 BT_LOGE("Recursive initialization of muxer component's message iterator: "
1270 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1271 self_comp
, muxer_comp
, self_msg_iter
);
1275 muxer_comp
->initializing_muxer_msg_iter
= true;
1276 muxer_msg_iter
= g_new0(struct muxer_msg_iter
, 1);
1277 if (!muxer_msg_iter
) {
1278 BT_LOGE_STR("Failed to allocate one muxer component's message iterator.");
1282 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1283 muxer_msg_iter
->active_muxer_upstream_msg_iters
=
1284 g_ptr_array_new_with_free_func(
1285 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1286 if (!muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1287 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1291 muxer_msg_iter
->ended_muxer_upstream_msg_iters
=
1292 g_ptr_array_new_with_free_func(
1293 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1294 if (!muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1295 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1299 ret
= muxer_msg_iter_init_upstream_iterators(muxer_comp
,
1302 BT_LOGE("Cannot initialize connected input ports for muxer component's message iterator: "
1303 "comp-addr=%p, muxer-comp-addr=%p, "
1304 "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
1305 self_comp
, muxer_comp
, muxer_msg_iter
,
1306 self_msg_iter
, ret
);
1310 bt_self_message_iterator_set_data(self_msg_iter
, muxer_msg_iter
);
1311 BT_LOGD("Initialized muxer component's message iterator: "
1312 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1314 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1318 destroy_muxer_msg_iter(muxer_msg_iter
);
1319 bt_self_message_iterator_set_data(self_msg_iter
, NULL
);
1320 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1323 muxer_comp
->initializing_muxer_msg_iter
= false;
1328 void muxer_msg_iter_finalize(bt_self_message_iterator
*self_msg_iter
)
1330 struct muxer_msg_iter
*muxer_msg_iter
=
1331 bt_self_message_iterator_get_data(self_msg_iter
);
1332 bt_self_component
*self_comp
= NULL
;
1333 struct muxer_comp
*muxer_comp
= NULL
;
1335 self_comp
= bt_self_message_iterator_borrow_component(
1337 BT_ASSERT(self_comp
);
1338 muxer_comp
= bt_self_component_get_data(self_comp
);
1339 BT_LOGD("Finalizing muxer component's message iterator: "
1340 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1342 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1344 if (muxer_msg_iter
) {
1345 destroy_muxer_msg_iter(muxer_msg_iter
);
1350 bt_self_message_iterator_status
muxer_msg_iter_next(
1351 bt_self_message_iterator
*self_msg_iter
,
1352 bt_message_array_const msgs
, uint64_t capacity
,
1355 bt_self_message_iterator_status status
;
1356 struct muxer_msg_iter
*muxer_msg_iter
=
1357 bt_self_message_iterator_get_data(self_msg_iter
);
1358 bt_self_component
*self_comp
= NULL
;
1359 struct muxer_comp
*muxer_comp
= NULL
;
1361 BT_ASSERT(muxer_msg_iter
);
1362 self_comp
= bt_self_message_iterator_borrow_component(
1364 BT_ASSERT(self_comp
);
1365 muxer_comp
= bt_self_component_get_data(self_comp
);
1366 BT_ASSERT(muxer_comp
);
1367 BT_LOGV("Muxer component's message iterator's \"next\" method called: "
1368 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1370 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1372 status
= muxer_msg_iter_do_next(muxer_comp
, muxer_msg_iter
,
1373 msgs
, capacity
, count
);
1375 BT_LOGE("Cannot get next message: "
1376 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1377 "msg-iter-addr=%p, status=%s",
1378 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
,
1379 bt_common_self_message_iterator_status_string(status
));
1381 BT_LOGV("Returning from muxer component's message iterator's \"next\" method: "
1383 bt_common_self_message_iterator_status_string(status
));
1390 bt_self_component_status
muxer_input_port_connected(
1391 bt_self_component_filter
*self_comp
,
1392 bt_self_component_port_input
*self_port
,
1393 const bt_port_output
*other_port
)
1395 bt_self_component_status status
;
1397 status
= add_available_input_port(self_comp
);
1400 * Only way to report an error later since this
1401 * method does not return anything.
1403 BT_LOGE("Cannot add one muxer component's input port: "
1405 bt_self_component_status_string(status
));
1414 bt_bool
muxer_upstream_msg_iters_can_all_seek_beginning(
1415 GPtrArray
*muxer_upstream_msg_iters
)
1418 bt_bool ret
= BT_TRUE
;
1420 for (i
= 0; i
< muxer_upstream_msg_iters
->len
; i
++) {
1421 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1422 muxer_upstream_msg_iters
->pdata
[i
];
1424 if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
1425 upstream_msg_iter
->msg_iter
)) {
1436 bt_bool
muxer_msg_iter_can_seek_beginning(
1437 bt_self_message_iterator
*self_msg_iter
)
1439 struct muxer_msg_iter
*muxer_msg_iter
=
1440 bt_self_message_iterator_get_data(self_msg_iter
);
1441 bt_bool ret
= BT_TRUE
;
1443 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1444 muxer_msg_iter
->active_muxer_upstream_msg_iters
)) {
1449 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1450 muxer_msg_iter
->ended_muxer_upstream_msg_iters
)) {
1460 bt_self_message_iterator_status
muxer_msg_iter_seek_beginning(
1461 bt_self_message_iterator
*self_msg_iter
)
1463 struct muxer_msg_iter
*muxer_msg_iter
=
1464 bt_self_message_iterator_get_data(self_msg_iter
);
1468 /* Seek all ended upstream iterators first */
1469 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1471 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1472 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1474 status
= bt_self_component_port_input_message_iterator_seek_beginning(
1475 upstream_msg_iter
->msg_iter
);
1476 if (status
!= BT_MESSAGE_ITERATOR_STATUS_OK
) {
1480 empty_message_queue(upstream_msg_iter
);
1483 /* Seek all previously active upstream iterators */
1484 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1486 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1487 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
];
1489 status
= bt_self_component_port_input_message_iterator_seek_beginning(
1490 upstream_msg_iter
->msg_iter
);
1491 if (status
!= BT_MESSAGE_ITERATOR_STATUS_OK
) {
1495 empty_message_queue(upstream_msg_iter
);
1498 /* Make them all active */
1499 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1501 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1502 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1504 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1506 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1509 g_ptr_array_remove_range(muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1510 0, muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
);
1511 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1512 muxer_msg_iter
->clock_class_expectation
=
1513 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
;