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_COMP_LOG_SELF_COMP (muxer_comp->self_comp)
24 #define BT_LOG_OUTPUT_LEVEL (muxer_comp->log_level)
25 #define BT_LOG_TAG "PLUGIN/FLT.UTILS.MUXER"
26 #include "plugins/comp-logging.h"
28 #include "common/macros.h"
29 #include "compat/uuid.h"
30 #include <babeltrace2/babeltrace.h>
34 #include "common/assert.h"
35 #include "common/common.h"
41 #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes"
45 bt_self_component_filter
*self_comp_flt
;
46 bt_self_component
*self_comp
;
48 unsigned int next_port_num
;
49 size_t available_input_ports
;
50 bool initializing_muxer_msg_iter
;
51 bool assume_absolute_clock_classes
;
52 bt_logging_level log_level
;
55 struct muxer_upstream_msg_iter
{
56 struct muxer_comp
*muxer_comp
;
58 /* Owned by this, NULL if ended */
59 bt_self_component_port_input_message_iterator
*msg_iter
;
61 /* Contains `const bt_message *`, owned by this */
65 enum muxer_msg_iter_clock_class_expectation
{
66 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
= 0,
67 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
,
68 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
,
69 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
,
70 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
,
73 struct muxer_msg_iter
{
74 struct muxer_comp
*muxer_comp
;
77 * Array of struct muxer_upstream_msg_iter * (owned by this).
79 * NOTE: This array is searched in linearly to find the youngest
80 * current message. Keep this until benchmarks confirm that
81 * another data structure is faster than this for our typical
84 GPtrArray
*active_muxer_upstream_msg_iters
;
87 * Array of struct muxer_upstream_msg_iter * (owned by this).
89 * We move ended message iterators from
90 * `active_muxer_upstream_msg_iters` to this array so as to be
91 * able to restore them when seeking.
93 GPtrArray
*ended_muxer_upstream_msg_iters
;
95 /* Last time returned in a message */
96 int64_t last_returned_ts_ns
;
98 /* Clock class expectation state */
99 enum muxer_msg_iter_clock_class_expectation clock_class_expectation
;
102 * Expected clock class UUID, only valid when
103 * clock_class_expectation is
104 * MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID.
106 unsigned char expected_clock_class_uuid
[BABELTRACE_UUID_LEN
];
110 void empty_message_queue(struct muxer_upstream_msg_iter
*upstream_msg_iter
)
112 const bt_message
*msg
;
114 while ((msg
= g_queue_pop_head(upstream_msg_iter
->msgs
))) {
115 bt_message_put_ref(msg
);
120 void destroy_muxer_upstream_msg_iter(
121 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
)
123 struct muxer_comp
*muxer_comp
;
125 if (!muxer_upstream_msg_iter
) {
129 muxer_comp
= muxer_upstream_msg_iter
->muxer_comp
;
130 BT_COMP_LOGD("Destroying muxer's upstream message iterator wrapper: "
131 "addr=%p, msg-iter-addr=%p, queue-len=%u",
132 muxer_upstream_msg_iter
,
133 muxer_upstream_msg_iter
->msg_iter
,
134 muxer_upstream_msg_iter
->msgs
->length
);
135 bt_self_component_port_input_message_iterator_put_ref(
136 muxer_upstream_msg_iter
->msg_iter
);
138 if (muxer_upstream_msg_iter
->msgs
) {
139 empty_message_queue(muxer_upstream_msg_iter
);
140 g_queue_free(muxer_upstream_msg_iter
->msgs
);
143 g_free(muxer_upstream_msg_iter
);
147 int muxer_msg_iter_add_upstream_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
,
148 bt_self_component_port_input_message_iterator
*self_msg_iter
)
151 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
152 g_new0(struct muxer_upstream_msg_iter
, 1);
153 struct muxer_comp
*muxer_comp
= muxer_msg_iter
->muxer_comp
;
155 if (!muxer_upstream_msg_iter
) {
156 BT_COMP_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper.");
160 muxer_upstream_msg_iter
->muxer_comp
= muxer_comp
;
161 muxer_upstream_msg_iter
->msg_iter
= self_msg_iter
;
162 bt_self_component_port_input_message_iterator_get_ref(muxer_upstream_msg_iter
->msg_iter
);
163 muxer_upstream_msg_iter
->msgs
= g_queue_new();
164 if (!muxer_upstream_msg_iter
->msgs
) {
165 BT_COMP_LOGE_STR("Failed to allocate a GQueue.");
169 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
170 muxer_upstream_msg_iter
);
171 BT_COMP_LOGD("Added muxer's upstream message iterator wrapper: "
172 "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p",
173 muxer_upstream_msg_iter
, muxer_msg_iter
,
179 g_free(muxer_upstream_msg_iter
);
187 bt_self_component_add_port_status
add_available_input_port(
188 bt_self_component_filter
*self_comp
)
190 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
191 bt_self_component_filter_as_self_component(self_comp
));
192 bt_self_component_add_port_status status
=
193 BT_SELF_COMPONENT_ADD_PORT_STATUS_OK
;
194 GString
*port_name
= NULL
;
196 BT_ASSERT(muxer_comp
);
197 port_name
= g_string_new("in");
199 BT_COMP_LOGE_STR("Failed to allocate a GString.");
200 status
= BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR
;
204 g_string_append_printf(port_name
, "%u", muxer_comp
->next_port_num
);
205 status
= bt_self_component_filter_add_input_port(
206 self_comp
, port_name
->str
, NULL
, NULL
);
207 if (status
!= BT_SELF_COMPONENT_ADD_PORT_STATUS_OK
) {
208 BT_COMP_LOGE("Cannot add input port to muxer component: "
209 "port-name=\"%s\", comp-addr=%p, status=%s",
210 port_name
->str
, self_comp
,
211 bt_common_func_status_string(status
));
215 muxer_comp
->available_input_ports
++;
216 muxer_comp
->next_port_num
++;
217 BT_COMP_LOGI("Added one input port to muxer component: "
218 "port-name=\"%s\", comp-addr=%p",
219 port_name
->str
, self_comp
);
223 g_string_free(port_name
, TRUE
);
230 bt_self_component_add_port_status
create_output_port(
231 bt_self_component_filter
*self_comp
)
233 return bt_self_component_filter_add_output_port(
234 self_comp
, "out", NULL
, NULL
);
238 void destroy_muxer_comp(struct muxer_comp
*muxer_comp
)
248 bt_value
*get_default_params(struct muxer_comp
*muxer_comp
)
253 params
= bt_value_map_create();
255 BT_COMP_LOGE_STR("Cannot create a map value object.");
259 ret
= bt_value_map_insert_bool_entry(params
,
260 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, false);
262 BT_COMP_LOGE_STR("Cannot add boolean value to map value object.");
269 BT_VALUE_PUT_REF_AND_RESET(params
);
276 int configure_muxer_comp(struct muxer_comp
*muxer_comp
,
277 const bt_value
*params
)
279 bt_value
*default_params
= NULL
;
280 bt_value
*real_params
= NULL
;
281 const bt_value
*assume_absolute_clock_classes
= NULL
;
285 default_params
= get_default_params(muxer_comp
);
286 if (!default_params
) {
287 BT_COMP_LOGE("Cannot get default parameters: "
288 "muxer-comp-addr=%p", muxer_comp
);
292 ret
= bt_value_map_extend(default_params
, params
, &real_params
);
294 BT_COMP_LOGE("Cannot extend default parameters map value: "
295 "muxer-comp-addr=%p, def-params-addr=%p, "
296 "params-addr=%p", muxer_comp
, default_params
,
301 assume_absolute_clock_classes
= bt_value_map_borrow_entry_value(real_params
,
302 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
);
303 if (assume_absolute_clock_classes
&&
304 !bt_value_is_bool(assume_absolute_clock_classes
)) {
305 BT_COMP_LOGE("Expecting a boolean value for the `%s` parameter: "
306 "muxer-comp-addr=%p, value-type=%s",
307 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, muxer_comp
,
308 bt_common_value_type_string(
309 bt_value_get_type(assume_absolute_clock_classes
)));
313 bool_val
= bt_value_bool_get(assume_absolute_clock_classes
);
314 muxer_comp
->assume_absolute_clock_classes
= (bool) bool_val
;
315 BT_COMP_LOGI("Configured muxer component: muxer-comp-addr=%p, "
316 "assume-absolute-clock-classes=%d",
317 muxer_comp
, muxer_comp
->assume_absolute_clock_classes
);
324 bt_value_put_ref(default_params
);
325 bt_value_put_ref(real_params
);
330 bt_component_class_init_method_status
muxer_init(
331 bt_self_component_filter
*self_comp_flt
,
332 const bt_value
*params
, void *init_data
)
335 bt_component_class_init_method_status status
=
336 BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK
;
337 bt_self_component_add_port_status add_port_status
;
338 bt_self_component
*self_comp
=
339 bt_self_component_filter_as_self_component(self_comp_flt
);
340 struct muxer_comp
*muxer_comp
= g_new0(struct muxer_comp
, 1);
341 bt_logging_level log_level
= bt_component_get_logging_level(
342 bt_self_component_as_component(self_comp
));
344 BT_COMP_LOG_CUR_LVL(BT_LOG_INFO
, log_level
, self_comp
,
345 "Initializing muxer component: "
346 "comp-addr=%p, params-addr=%p", self_comp
, params
);
349 BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR
, log_level
, self_comp
,
350 "Failed to allocate one muxer component.");
354 muxer_comp
->log_level
= log_level
;
355 muxer_comp
->self_comp
= self_comp
;
356 muxer_comp
->self_comp_flt
= self_comp_flt
;
357 ret
= configure_muxer_comp(muxer_comp
, params
);
359 BT_COMP_LOGE("Cannot configure muxer component: "
360 "muxer-comp-addr=%p, params-addr=%p",
365 bt_self_component_set_data(self_comp
, muxer_comp
);
366 add_port_status
= add_available_input_port(self_comp_flt
);
367 if (add_port_status
!= BT_SELF_COMPONENT_ADD_PORT_STATUS_OK
) {
368 BT_COMP_LOGE("Cannot ensure that at least one muxer component's input port is available: "
369 "muxer-comp-addr=%p, status=%s",
371 bt_common_func_status_string(add_port_status
));
372 if (add_port_status
==
373 BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR
) {
374 status
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR
;
376 status
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR
;
382 add_port_status
= create_output_port(self_comp_flt
);
383 if (add_port_status
!= BT_SELF_COMPONENT_ADD_PORT_STATUS_OK
) {
384 BT_COMP_LOGE("Cannot create muxer component's output port: "
385 "muxer-comp-addr=%p, status=%s",
387 bt_common_func_status_string(add_port_status
));
388 if (add_port_status
==
389 BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR
) {
390 status
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR
;
392 status
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR
;
398 BT_COMP_LOGI("Initialized muxer component: "
399 "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
400 self_comp
, params
, muxer_comp
);
405 destroy_muxer_comp(muxer_comp
);
406 bt_self_component_set_data(self_comp
, NULL
);
408 if (status
== BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK
) {
409 status
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR
;
417 void muxer_finalize(bt_self_component_filter
*self_comp
)
419 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
420 bt_self_component_filter_as_self_component(self_comp
));
422 BT_COMP_LOGI("Finalizing muxer component: comp-addr=%p",
424 destroy_muxer_comp(muxer_comp
);
428 bt_self_component_port_input_message_iterator
*
429 create_msg_iter_on_input_port(struct muxer_comp
*muxer_comp
,
430 bt_self_component_port_input
*self_port
)
432 const bt_port
*port
= bt_self_component_port_as_port(
433 bt_self_component_port_input_as_self_component_port(
435 bt_self_component_port_input_message_iterator
*msg_iter
=
439 BT_ASSERT(bt_port_is_connected(port
));
441 // TODO: Advance the iterator to >= the time of the latest
442 // returned message by the muxer message
443 // iterator which creates it.
444 msg_iter
= bt_self_component_port_input_message_iterator_create(
447 BT_COMP_LOGE("Cannot create upstream message iterator on input port: "
448 "port-addr=%p, port-name=\"%s\"",
449 port
, bt_port_get_name(port
));
453 BT_COMP_LOGI("Created upstream message iterator on input port: "
454 "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p",
455 port
, bt_port_get_name(port
), msg_iter
);
462 bt_component_class_message_iterator_next_method_status
muxer_upstream_msg_iter_next(
463 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
466 struct muxer_comp
*muxer_comp
=
467 muxer_upstream_msg_iter
->muxer_comp
;
468 bt_component_class_message_iterator_next_method_status status
;
469 bt_message_iterator_next_status input_port_iter_status
;
470 bt_message_array_const msgs
;
474 BT_COMP_LOGD("Calling upstream message iterator's \"next\" method: "
475 "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p",
476 muxer_upstream_msg_iter
,
477 muxer_upstream_msg_iter
->msg_iter
);
478 input_port_iter_status
= bt_self_component_port_input_message_iterator_next(
479 muxer_upstream_msg_iter
->msg_iter
, &msgs
, &count
);
480 BT_COMP_LOGD("Upstream message iterator's \"next\" method returned: "
482 bt_common_func_status_string(input_port_iter_status
));
484 switch (input_port_iter_status
) {
485 case BT_MESSAGE_ITERATOR_NEXT_STATUS_OK
:
487 * Message iterator's current message is
488 * valid: it must be considered for muxing operations.
490 BT_COMP_LOGD_STR("Validated upstream message iterator wrapper.");
491 BT_ASSERT(count
> 0);
493 /* Move messages to our queue */
494 for (i
= 0; i
< count
; i
++) {
496 * Push to tail in order; other side
497 * (muxer_msg_iter_do_next_one()) consumes
498 * from the head first.
500 g_queue_push_tail(muxer_upstream_msg_iter
->msgs
,
503 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
505 case BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN
:
507 * Message iterator's current message is not
508 * valid anymore. Return
509 * BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN immediately.
511 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_AGAIN
;
513 case BT_MESSAGE_ITERATOR_NEXT_STATUS_END
: /* Fall-through. */
515 * Message iterator reached the end: release it. It
516 * won't be considered again to find the youngest
520 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
523 /* Error or unsupported status code */
524 BT_COMP_LOGE("Error or unsupported status code: "
525 "status-code=%d", input_port_iter_status
);
526 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
534 int get_msg_ts_ns(struct muxer_comp
*muxer_comp
,
535 struct muxer_msg_iter
*muxer_msg_iter
,
536 const bt_message
*msg
, int64_t last_returned_ts_ns
,
539 const bt_clock_snapshot
*clock_snapshot
= NULL
;
541 const bt_stream_class
*stream_class
= NULL
;
542 bt_message_type msg_type
;
546 BT_COMP_LOGD("Getting message's timestamp: "
547 "muxer-msg-iter-addr=%p, msg-addr=%p, "
548 "last-returned-ts=%" PRId64
,
549 muxer_msg_iter
, msg
, last_returned_ts_ns
);
551 if (G_UNLIKELY(muxer_msg_iter
->clock_class_expectation
==
552 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
)) {
553 *ts_ns
= last_returned_ts_ns
;
557 msg_type
= bt_message_get_type(msg
);
559 if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_PACKET_BEGINNING
)) {
560 stream_class
= bt_stream_borrow_class_const(
561 bt_packet_borrow_stream_const(
562 bt_message_packet_beginning_borrow_packet_const(
564 } else if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_PACKET_END
)) {
565 stream_class
= bt_stream_borrow_class_const(
566 bt_packet_borrow_stream_const(
567 bt_message_packet_end_borrow_packet_const(
569 } else if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_DISCARDED_EVENTS
)) {
570 stream_class
= bt_stream_borrow_class_const(
571 bt_message_discarded_events_borrow_stream_const(msg
));
572 } else if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_DISCARDED_PACKETS
)) {
573 stream_class
= bt_stream_borrow_class_const(
574 bt_message_discarded_packets_borrow_stream_const(msg
));
578 case BT_MESSAGE_TYPE_EVENT
:
579 BT_ASSERT(bt_message_event_borrow_stream_class_default_clock_class_const(
581 clock_snapshot
= bt_message_event_borrow_default_clock_snapshot_const(
584 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
585 if (bt_stream_class_packets_have_beginning_default_clock_snapshot(
587 clock_snapshot
= bt_message_packet_beginning_borrow_default_clock_snapshot_const(
590 goto no_clock_snapshot
;
594 case BT_MESSAGE_TYPE_PACKET_END
:
595 if (bt_stream_class_packets_have_end_default_clock_snapshot(
597 clock_snapshot
= bt_message_packet_end_borrow_default_clock_snapshot_const(
600 goto no_clock_snapshot
;
604 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
605 if (bt_stream_class_discarded_events_have_default_clock_snapshots(
607 clock_snapshot
= bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const(
610 goto no_clock_snapshot
;
614 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
615 if (bt_stream_class_discarded_packets_have_default_clock_snapshots(
617 clock_snapshot
= bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const(
620 goto no_clock_snapshot
;
624 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
:
625 clock_snapshot
= bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
629 /* All the other messages have a higher priority */
630 BT_COMP_LOGD_STR("Message has no timestamp: using the last returned timestamp.");
631 *ts_ns
= last_returned_ts_ns
;
635 ret
= bt_clock_snapshot_get_ns_from_origin(clock_snapshot
, ts_ns
);
637 BT_COMP_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
638 "clock-snapshot-addr=%p", clock_snapshot
);
645 BT_COMP_LOGD_STR("Message's default clock snapshot is missing: "
646 "using the last returned timestamp.");
647 *ts_ns
= last_returned_ts_ns
;
655 BT_COMP_LOGD("Found message's timestamp: "
656 "muxer-msg-iter-addr=%p, msg-addr=%p, "
657 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
658 muxer_msg_iter
, msg
, last_returned_ts_ns
,
666 int validate_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
667 struct muxer_comp
*muxer_comp
,
668 const bt_clock_class
*clock_class
)
671 const unsigned char *cc_uuid
;
674 BT_ASSERT(clock_class
);
675 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
676 cc_name
= bt_clock_class_get_name(clock_class
);
678 if (muxer_msg_iter
->clock_class_expectation
==
679 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
681 * This is the first clock class that this muxer
682 * message iterator encounters. Its properties
683 * determine what to expect for the whole lifetime of
684 * the iterator without a true
685 * `assume-absolute-clock-classes` parameter.
687 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
688 /* Expect absolute clock classes */
689 muxer_msg_iter
->clock_class_expectation
=
690 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
694 * Expect non-absolute clock classes
695 * with a specific UUID.
697 muxer_msg_iter
->clock_class_expectation
=
698 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
699 memcpy(muxer_msg_iter
->expected_clock_class_uuid
,
700 cc_uuid
, BABELTRACE_UUID_LEN
);
703 * Expect non-absolute clock classes
706 muxer_msg_iter
->clock_class_expectation
=
707 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
712 if (!muxer_comp
->assume_absolute_clock_classes
) {
713 switch (muxer_msg_iter
->clock_class_expectation
) {
714 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
715 if (!bt_clock_class_origin_is_unix_epoch(clock_class
)) {
716 BT_COMP_LOGE("Expecting an absolute clock class, "
717 "but got a non-absolute one: "
718 "clock-class-addr=%p, clock-class-name=\"%s\"",
719 clock_class
, cc_name
);
723 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
724 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
725 BT_COMP_LOGE("Expecting a non-absolute clock class with no UUID, "
726 "but got an absolute one: "
727 "clock-class-addr=%p, clock-class-name=\"%s\"",
728 clock_class
, cc_name
);
733 BT_COMP_LOGE("Expecting a non-absolute clock class with no UUID, "
734 "but got one with a UUID: "
735 "clock-class-addr=%p, clock-class-name=\"%s\", "
736 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
737 clock_class
, cc_name
,
738 (unsigned int) cc_uuid
[0],
739 (unsigned int) cc_uuid
[1],
740 (unsigned int) cc_uuid
[2],
741 (unsigned int) cc_uuid
[3],
742 (unsigned int) cc_uuid
[4],
743 (unsigned int) cc_uuid
[5],
744 (unsigned int) cc_uuid
[6],
745 (unsigned int) cc_uuid
[7],
746 (unsigned int) cc_uuid
[8],
747 (unsigned int) cc_uuid
[9],
748 (unsigned int) cc_uuid
[10],
749 (unsigned int) cc_uuid
[11],
750 (unsigned int) cc_uuid
[12],
751 (unsigned int) cc_uuid
[13],
752 (unsigned int) cc_uuid
[14],
753 (unsigned int) cc_uuid
[15]);
757 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
758 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
759 BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
760 "but got an absolute one: "
761 "clock-class-addr=%p, clock-class-name=\"%s\"",
762 clock_class
, cc_name
);
767 BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
768 "but got one with no UUID: "
769 "clock-class-addr=%p, clock-class-name=\"%s\"",
770 clock_class
, cc_name
);
774 if (memcmp(muxer_msg_iter
->expected_clock_class_uuid
,
775 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
776 BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
777 "but got one with different UUID: "
778 "clock-class-addr=%p, clock-class-name=\"%s\", "
779 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
780 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
781 clock_class
, cc_name
,
782 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[0],
783 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[1],
784 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[2],
785 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[3],
786 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[4],
787 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[5],
788 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[6],
789 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[7],
790 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[8],
791 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[9],
792 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[10],
793 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[11],
794 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[12],
795 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[13],
796 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[14],
797 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[15],
798 (unsigned int) cc_uuid
[0],
799 (unsigned int) cc_uuid
[1],
800 (unsigned int) cc_uuid
[2],
801 (unsigned int) cc_uuid
[3],
802 (unsigned int) cc_uuid
[4],
803 (unsigned int) cc_uuid
[5],
804 (unsigned int) cc_uuid
[6],
805 (unsigned int) cc_uuid
[7],
806 (unsigned int) cc_uuid
[8],
807 (unsigned int) cc_uuid
[9],
808 (unsigned int) cc_uuid
[10],
809 (unsigned int) cc_uuid
[11],
810 (unsigned int) cc_uuid
[12],
811 (unsigned int) cc_uuid
[13],
812 (unsigned int) cc_uuid
[14],
813 (unsigned int) cc_uuid
[15]);
817 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
:
818 BT_COMP_LOGE("Expecting no clock class, but got one: "
819 "clock-class-addr=%p, clock-class-name=\"%s\"",
820 clock_class
, cc_name
);
824 BT_COMP_LOGF("Unexpected clock class expectation: "
825 "expectation-code=%d",
826 muxer_msg_iter
->clock_class_expectation
);
841 int validate_new_stream_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
842 struct muxer_comp
*muxer_comp
, const bt_stream
*stream
)
845 const bt_stream_class
*stream_class
=
846 bt_stream_borrow_class_const(stream
);
847 const bt_clock_class
*clock_class
=
848 bt_stream_class_borrow_default_clock_class_const(stream_class
);
851 if (muxer_msg_iter
->clock_class_expectation
==
852 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
853 /* Expect no clock class */
854 muxer_msg_iter
->clock_class_expectation
=
855 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
;
857 BT_COMP_LOGE("Expecting stream class with a default clock class: "
858 "stream-class-addr=%p, stream-class-name=\"%s\", "
859 "stream-class-id=%" PRIu64
,
860 stream_class
, bt_stream_class_get_name(stream_class
),
861 bt_stream_class_get_id(stream_class
));
868 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
, clock_class
);
875 * This function finds the youngest available message amongst the
876 * non-ended upstream message iterators and returns the upstream
877 * message iterator which has it, or
878 * BT_MESSAGE_ITERATOR_STATUS_END if there's no available
881 * This function does NOT:
883 * * Update any upstream message iterator.
884 * * Check the upstream message iterators to retry.
886 * On sucess, this function sets *muxer_upstream_msg_iter to the
887 * upstream message iterator of which the current message is
888 * the youngest, and sets *ts_ns to its time.
891 bt_component_class_message_iterator_next_method_status
892 muxer_msg_iter_youngest_upstream_msg_iter(
893 struct muxer_comp
*muxer_comp
,
894 struct muxer_msg_iter
*muxer_msg_iter
,
895 struct muxer_upstream_msg_iter
**muxer_upstream_msg_iter
,
900 int64_t youngest_ts_ns
= INT64_MAX
;
901 bt_component_class_message_iterator_next_method_status status
=
902 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
904 BT_ASSERT(muxer_comp
);
905 BT_ASSERT(muxer_msg_iter
);
906 BT_ASSERT(muxer_upstream_msg_iter
);
907 *muxer_upstream_msg_iter
= NULL
;
909 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
911 const bt_message
*msg
;
912 struct muxer_upstream_msg_iter
*cur_muxer_upstream_msg_iter
=
914 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
918 if (!cur_muxer_upstream_msg_iter
->msg_iter
) {
919 /* This upstream message iterator is ended */
920 BT_COMP_LOGT("Skipping ended upstream message iterator: "
921 "muxer-upstream-msg-iter-wrap-addr=%p",
922 cur_muxer_upstream_msg_iter
);
926 BT_ASSERT(cur_muxer_upstream_msg_iter
->msgs
->length
> 0);
927 msg
= g_queue_peek_head(cur_muxer_upstream_msg_iter
->msgs
);
930 if (G_UNLIKELY(bt_message_get_type(msg
) ==
931 BT_MESSAGE_TYPE_STREAM_BEGINNING
)) {
932 ret
= validate_new_stream_clock_class(
933 muxer_msg_iter
, muxer_comp
,
934 bt_message_stream_beginning_borrow_stream_const(
938 * validate_new_stream_clock_class() logs
941 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
944 } else if (G_UNLIKELY(bt_message_get_type(msg
) ==
945 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
)) {
946 const bt_clock_snapshot
*cs
;
948 cs
= bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
950 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
,
951 bt_clock_snapshot_borrow_clock_class_const(cs
));
953 /* validate_clock_class() logs errors */
954 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
959 ret
= get_msg_ts_ns(muxer_comp
, muxer_msg_iter
, msg
,
960 muxer_msg_iter
->last_returned_ts_ns
, &msg_ts_ns
);
962 /* get_msg_ts_ns() logs errors */
963 *muxer_upstream_msg_iter
= NULL
;
964 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
968 if (msg_ts_ns
<= youngest_ts_ns
) {
969 *muxer_upstream_msg_iter
=
970 cur_muxer_upstream_msg_iter
;
971 youngest_ts_ns
= msg_ts_ns
;
972 *ts_ns
= youngest_ts_ns
;
976 if (!*muxer_upstream_msg_iter
) {
977 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END
;
986 bt_component_class_message_iterator_next_method_status
987 validate_muxer_upstream_msg_iter(
988 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
991 struct muxer_comp
*muxer_comp
=
992 muxer_upstream_msg_iter
->muxer_comp
;
993 bt_component_class_message_iterator_next_method_status status
=
994 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
996 BT_COMP_LOGD("Validating muxer's upstream message iterator wrapper: "
997 "muxer-upstream-msg-iter-wrap-addr=%p",
998 muxer_upstream_msg_iter
);
1000 if (muxer_upstream_msg_iter
->msgs
->length
> 0 ||
1001 !muxer_upstream_msg_iter
->msg_iter
) {
1002 BT_COMP_LOGD("Already valid or not considered: "
1003 "queue-len=%u, upstream-msg-iter-addr=%p",
1004 muxer_upstream_msg_iter
->msgs
->length
,
1005 muxer_upstream_msg_iter
->msg_iter
);
1009 /* muxer_upstream_msg_iter_next() logs details/errors */
1010 status
= muxer_upstream_msg_iter_next(muxer_upstream_msg_iter
,
1018 bt_component_class_message_iterator_next_method_status
1019 validate_muxer_upstream_msg_iters(
1020 struct muxer_msg_iter
*muxer_msg_iter
)
1022 struct muxer_comp
*muxer_comp
= muxer_msg_iter
->muxer_comp
;
1023 bt_component_class_message_iterator_next_method_status status
=
1024 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
1027 BT_COMP_LOGD("Validating muxer's upstream message iterator wrappers: "
1028 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1030 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1032 bool is_ended
= false;
1033 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
1035 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1038 status
= validate_muxer_upstream_msg_iter(
1039 muxer_upstream_msg_iter
, &is_ended
);
1040 if (status
!= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
1042 BT_COMP_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
1043 "muxer-msg-iter-addr=%p, "
1044 "muxer-upstream-msg-iter-wrap-addr=%p",
1046 muxer_upstream_msg_iter
);
1048 BT_COMP_LOGD("Cannot validate muxer's upstream message iterator wrapper: "
1049 "muxer-msg-iter-addr=%p, "
1050 "muxer-upstream-msg-iter-wrap-addr=%p",
1052 muxer_upstream_msg_iter
);
1059 * Move this muxer upstream message iterator to the
1060 * array of ended iterators if it's ended.
1062 if (G_UNLIKELY(is_ended
)) {
1063 BT_COMP_LOGD("Muxer's upstream message iterator wrapper: ended or canceled: "
1064 "muxer-msg-iter-addr=%p, "
1065 "muxer-upstream-msg-iter-wrap-addr=%p",
1066 muxer_msg_iter
, muxer_upstream_msg_iter
);
1068 muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1069 muxer_upstream_msg_iter
);
1070 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1073 * Use g_ptr_array_remove_fast() because the
1074 * order of those elements is not important.
1076 g_ptr_array_remove_index_fast(
1077 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1088 bt_component_class_message_iterator_next_method_status
muxer_msg_iter_do_next_one(
1089 struct muxer_comp
*muxer_comp
,
1090 struct muxer_msg_iter
*muxer_msg_iter
,
1091 const bt_message
**msg
)
1093 bt_component_class_message_iterator_next_method_status status
;
1094 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
= NULL
;
1095 int64_t next_return_ts
;
1097 status
= validate_muxer_upstream_msg_iters(muxer_msg_iter
);
1098 if (status
!= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
1099 /* validate_muxer_upstream_msg_iters() logs details */
1104 * At this point we know that all the existing upstream
1105 * message iterators are valid. We can find the one,
1106 * amongst those, of which the current message is the
1109 status
= muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp
,
1110 muxer_msg_iter
, &muxer_upstream_msg_iter
,
1112 if (status
< 0 || status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END
) {
1114 BT_COMP_LOGE("Cannot find the youngest upstream message iterator wrapper: "
1116 bt_common_func_status_string(status
));
1118 BT_COMP_LOGD("Cannot find the youngest upstream message iterator wrapper: "
1120 bt_common_func_status_string(status
));
1126 if (next_return_ts
< muxer_msg_iter
->last_returned_ts_ns
) {
1127 BT_COMP_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
1128 "muxer-msg-iter-addr=%p, ts=%" PRId64
", "
1129 "last-returned-ts=%" PRId64
,
1130 muxer_msg_iter
, next_return_ts
,
1131 muxer_msg_iter
->last_returned_ts_ns
);
1132 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
1136 BT_COMP_LOGD("Found youngest upstream message iterator wrapper: "
1137 "muxer-msg-iter-addr=%p, "
1138 "muxer-upstream-msg-iter-wrap-addr=%p, "
1140 muxer_msg_iter
, muxer_upstream_msg_iter
, next_return_ts
);
1141 BT_ASSERT(status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
);
1142 BT_ASSERT(muxer_upstream_msg_iter
);
1145 * Consume from the queue's head: other side
1146 * (muxer_upstream_msg_iter_next()) writes to the tail.
1148 *msg
= g_queue_pop_head(muxer_upstream_msg_iter
->msgs
);
1150 muxer_msg_iter
->last_returned_ts_ns
= next_return_ts
;
1157 bt_component_class_message_iterator_next_method_status
muxer_msg_iter_do_next(
1158 struct muxer_comp
*muxer_comp
,
1159 struct muxer_msg_iter
*muxer_msg_iter
,
1160 bt_message_array_const msgs
, uint64_t capacity
,
1163 bt_component_class_message_iterator_next_method_status status
=
1164 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
1167 while (i
< capacity
&& status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
1168 status
= muxer_msg_iter_do_next_one(muxer_comp
,
1169 muxer_msg_iter
, &msgs
[i
]);
1170 if (status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
1177 * Even if muxer_msg_iter_do_next_one() returned
1178 * something else than
1179 * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated
1180 * message objects in the output message
1181 * array, so we need to return
1182 * BT_MESSAGE_ITERATOR_STATUS_OK so that they are
1183 * transfered to downstream. This other status occurs
1184 * again the next time muxer_msg_iter_do_next() is
1185 * called, possibly without any accumulated
1186 * message, in which case we'll return it.
1189 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
1196 void destroy_muxer_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
)
1198 struct muxer_comp
*muxer_comp
;
1200 if (!muxer_msg_iter
) {
1204 muxer_comp
= muxer_msg_iter
->muxer_comp
;
1205 BT_COMP_LOGD("Destroying muxer component's message iterator: "
1206 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1208 if (muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1209 BT_COMP_LOGD_STR("Destroying muxer's active upstream message iterator wrappers.");
1211 muxer_msg_iter
->active_muxer_upstream_msg_iters
, TRUE
);
1214 if (muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1215 BT_COMP_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers.");
1217 muxer_msg_iter
->ended_muxer_upstream_msg_iters
, TRUE
);
1220 g_free(muxer_msg_iter
);
1224 int muxer_msg_iter_init_upstream_iterators(struct muxer_comp
*muxer_comp
,
1225 struct muxer_msg_iter
*muxer_msg_iter
)
1231 count
= bt_component_filter_get_input_port_count(
1232 bt_self_component_filter_as_component_filter(
1233 muxer_comp
->self_comp_flt
));
1235 BT_COMP_LOGD("No input port to initialize for muxer component's message iterator: "
1236 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
1237 muxer_comp
, muxer_msg_iter
);
1241 for (i
= 0; i
< count
; i
++) {
1242 bt_self_component_port_input_message_iterator
*upstream_msg_iter
;
1243 bt_self_component_port_input
*self_port
=
1244 bt_self_component_filter_borrow_input_port_by_index(
1245 muxer_comp
->self_comp_flt
, i
);
1246 const bt_port
*port
;
1248 BT_ASSERT(self_port
);
1249 port
= bt_self_component_port_as_port(
1250 bt_self_component_port_input_as_self_component_port(
1254 if (!bt_port_is_connected(port
)) {
1255 /* Skip non-connected port */
1259 upstream_msg_iter
= create_msg_iter_on_input_port(muxer_comp
,
1261 if (!upstream_msg_iter
) {
1262 /* create_msg_iter_on_input_port() logs errors */
1263 BT_ASSERT(!upstream_msg_iter
);
1268 ret
= muxer_msg_iter_add_upstream_msg_iter(muxer_msg_iter
,
1270 bt_self_component_port_input_message_iterator_put_ref(
1273 /* muxer_msg_iter_add_upstream_msg_iter() logs errors */
1283 bt_component_class_message_iterator_init_method_status
muxer_msg_iter_init(
1284 bt_self_message_iterator
*self_msg_iter
,
1285 bt_self_component_filter
*self_comp
,
1286 bt_self_component_port_output
*port
)
1288 struct muxer_comp
*muxer_comp
= NULL
;
1289 struct muxer_msg_iter
*muxer_msg_iter
= NULL
;
1290 bt_component_class_message_iterator_init_method_status status
=
1291 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK
;
1294 muxer_comp
= bt_self_component_get_data(
1295 bt_self_component_filter_as_self_component(self_comp
));
1296 BT_ASSERT(muxer_comp
);
1297 BT_COMP_LOGD("Initializing muxer component's message iterator: "
1298 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1299 self_comp
, muxer_comp
, self_msg_iter
);
1301 if (muxer_comp
->initializing_muxer_msg_iter
) {
1303 * Weird, unhandled situation detected: downstream
1304 * creates a muxer message iterator while creating
1305 * another muxer message iterator (same component).
1307 BT_COMP_LOGE("Recursive initialization of muxer component's message iterator: "
1308 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1309 self_comp
, muxer_comp
, self_msg_iter
);
1313 muxer_comp
->initializing_muxer_msg_iter
= true;
1314 muxer_msg_iter
= g_new0(struct muxer_msg_iter
, 1);
1315 if (!muxer_msg_iter
) {
1316 BT_COMP_LOGE_STR("Failed to allocate one muxer component's message iterator.");
1320 muxer_msg_iter
->muxer_comp
= muxer_comp
;
1321 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1322 muxer_msg_iter
->active_muxer_upstream_msg_iters
=
1323 g_ptr_array_new_with_free_func(
1324 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1325 if (!muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1326 BT_COMP_LOGE_STR("Failed to allocate a GPtrArray.");
1330 muxer_msg_iter
->ended_muxer_upstream_msg_iters
=
1331 g_ptr_array_new_with_free_func(
1332 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1333 if (!muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1334 BT_COMP_LOGE_STR("Failed to allocate a GPtrArray.");
1338 ret
= muxer_msg_iter_init_upstream_iterators(muxer_comp
,
1341 BT_COMP_LOGE("Cannot initialize connected input ports for muxer component's message iterator: "
1342 "comp-addr=%p, muxer-comp-addr=%p, "
1343 "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
1344 self_comp
, muxer_comp
, muxer_msg_iter
,
1345 self_msg_iter
, ret
);
1349 bt_self_message_iterator_set_data(self_msg_iter
, muxer_msg_iter
);
1350 BT_COMP_LOGD("Initialized muxer component's message iterator: "
1351 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1353 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1357 destroy_muxer_msg_iter(muxer_msg_iter
);
1358 bt_self_message_iterator_set_data(self_msg_iter
, NULL
);
1359 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR
;
1362 muxer_comp
->initializing_muxer_msg_iter
= false;
1367 void muxer_msg_iter_finalize(bt_self_message_iterator
*self_msg_iter
)
1369 struct muxer_msg_iter
*muxer_msg_iter
=
1370 bt_self_message_iterator_get_data(self_msg_iter
);
1371 bt_self_component
*self_comp
= NULL
;
1372 struct muxer_comp
*muxer_comp
= NULL
;
1374 self_comp
= bt_self_message_iterator_borrow_component(
1376 BT_ASSERT(self_comp
);
1377 muxer_comp
= bt_self_component_get_data(self_comp
);
1378 BT_COMP_LOGD("Finalizing muxer component's message iterator: "
1379 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1381 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1383 if (muxer_msg_iter
) {
1384 destroy_muxer_msg_iter(muxer_msg_iter
);
1389 bt_component_class_message_iterator_next_method_status
muxer_msg_iter_next(
1390 bt_self_message_iterator
*self_msg_iter
,
1391 bt_message_array_const msgs
, uint64_t capacity
,
1394 bt_component_class_message_iterator_next_method_status status
;
1395 struct muxer_msg_iter
*muxer_msg_iter
=
1396 bt_self_message_iterator_get_data(self_msg_iter
);
1397 bt_self_component
*self_comp
= NULL
;
1398 struct muxer_comp
*muxer_comp
= NULL
;
1400 BT_ASSERT(muxer_msg_iter
);
1401 self_comp
= bt_self_message_iterator_borrow_component(
1403 BT_ASSERT(self_comp
);
1404 muxer_comp
= bt_self_component_get_data(self_comp
);
1405 BT_ASSERT(muxer_comp
);
1406 BT_COMP_LOGT("Muxer component's message iterator's \"next\" method called: "
1407 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1409 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1411 status
= muxer_msg_iter_do_next(muxer_comp
, muxer_msg_iter
,
1412 msgs
, capacity
, count
);
1414 BT_COMP_LOGE("Cannot get next message: "
1415 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1416 "msg-iter-addr=%p, status=%s",
1417 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
,
1418 bt_common_func_status_string(status
));
1420 BT_COMP_LOGT("Returning from muxer component's message iterator's \"next\" method: "
1422 bt_common_func_status_string(status
));
1429 bt_component_class_port_connected_method_status
muxer_input_port_connected(
1430 bt_self_component_filter
*self_comp
,
1431 bt_self_component_port_input
*self_port
,
1432 const bt_port_output
*other_port
)
1434 bt_component_class_port_connected_method_status status
=
1435 BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_OK
;
1436 bt_self_component_add_port_status add_port_status
;
1437 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
1438 bt_self_component_filter_as_self_component(self_comp
));
1440 add_port_status
= add_available_input_port(self_comp
);
1441 if (add_port_status
) {
1442 BT_COMP_LOGE("Cannot add one muxer component's input port: "
1444 bt_common_func_status_string(status
));
1446 if (add_port_status
==
1447 BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR
) {
1448 status
= BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_MEMORY_ERROR
;
1450 status
= BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_ERROR
;
1461 bt_bool
muxer_upstream_msg_iters_can_all_seek_beginning(
1462 GPtrArray
*muxer_upstream_msg_iters
)
1465 bt_bool ret
= BT_TRUE
;
1467 for (i
= 0; i
< muxer_upstream_msg_iters
->len
; i
++) {
1468 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1469 muxer_upstream_msg_iters
->pdata
[i
];
1471 if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
1472 upstream_msg_iter
->msg_iter
)) {
1483 bt_bool
muxer_msg_iter_can_seek_beginning(
1484 bt_self_message_iterator
*self_msg_iter
)
1486 struct muxer_msg_iter
*muxer_msg_iter
=
1487 bt_self_message_iterator_get_data(self_msg_iter
);
1488 bt_bool ret
= BT_TRUE
;
1490 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1491 muxer_msg_iter
->active_muxer_upstream_msg_iters
)) {
1496 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1497 muxer_msg_iter
->ended_muxer_upstream_msg_iters
)) {
1507 bt_component_class_message_iterator_seek_beginning_method_status
muxer_msg_iter_seek_beginning(
1508 bt_self_message_iterator
*self_msg_iter
)
1510 struct muxer_msg_iter
*muxer_msg_iter
=
1511 bt_self_message_iterator_get_data(self_msg_iter
);
1512 bt_component_class_message_iterator_seek_beginning_method_status status
=
1513 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK
;
1514 bt_message_iterator_seek_beginning_status seek_beg_status
;
1517 /* Seek all ended upstream iterators first */
1518 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1520 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1521 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1523 seek_beg_status
= bt_self_component_port_input_message_iterator_seek_beginning(
1524 upstream_msg_iter
->msg_iter
);
1525 if (seek_beg_status
!= BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK
) {
1526 status
= (int) seek_beg_status
;
1530 empty_message_queue(upstream_msg_iter
);
1533 /* Seek all previously active upstream iterators */
1534 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1536 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1537 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
];
1539 seek_beg_status
= bt_self_component_port_input_message_iterator_seek_beginning(
1540 upstream_msg_iter
->msg_iter
);
1541 if (seek_beg_status
!= BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK
) {
1542 status
= (int) seek_beg_status
;
1546 empty_message_queue(upstream_msg_iter
);
1549 /* Make them all active */
1550 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1552 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1553 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1555 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1557 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1560 g_ptr_array_remove_range(muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1561 0, muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
);
1562 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1563 muxer_msg_iter
->clock_class_expectation
=
1564 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
;