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 bt_message_stream_activity_clock_snapshot_state sa_cs_state
;
542 const bt_stream_class
*stream_class
= NULL
;
543 bt_message_type msg_type
;
547 BT_COMP_LOGD("Getting message's timestamp: "
548 "muxer-msg-iter-addr=%p, msg-addr=%p, "
549 "last-returned-ts=%" PRId64
,
550 muxer_msg_iter
, msg
, last_returned_ts_ns
);
552 if (G_UNLIKELY(muxer_msg_iter
->clock_class_expectation
==
553 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
)) {
554 *ts_ns
= last_returned_ts_ns
;
558 msg_type
= bt_message_get_type(msg
);
560 if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_PACKET_BEGINNING
)) {
561 stream_class
= bt_stream_borrow_class_const(
562 bt_packet_borrow_stream_const(
563 bt_message_packet_beginning_borrow_packet_const(
565 } else if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_PACKET_END
)) {
566 stream_class
= bt_stream_borrow_class_const(
567 bt_packet_borrow_stream_const(
568 bt_message_packet_end_borrow_packet_const(
570 } else if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_DISCARDED_EVENTS
)) {
571 stream_class
= bt_stream_borrow_class_const(
572 bt_message_discarded_events_borrow_stream_const(msg
));
573 } else if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_DISCARDED_PACKETS
)) {
574 stream_class
= bt_stream_borrow_class_const(
575 bt_message_discarded_packets_borrow_stream_const(msg
));
579 case BT_MESSAGE_TYPE_EVENT
:
580 BT_ASSERT(bt_message_event_borrow_stream_class_default_clock_class_const(
582 clock_snapshot
= bt_message_event_borrow_default_clock_snapshot_const(
585 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
586 if (bt_stream_class_packets_have_beginning_default_clock_snapshot(
588 clock_snapshot
= bt_message_packet_beginning_borrow_default_clock_snapshot_const(
591 goto no_clock_snapshot
;
595 case BT_MESSAGE_TYPE_PACKET_END
:
596 if (bt_stream_class_packets_have_end_default_clock_snapshot(
598 clock_snapshot
= bt_message_packet_end_borrow_default_clock_snapshot_const(
601 goto no_clock_snapshot
;
605 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
606 if (bt_stream_class_discarded_events_have_default_clock_snapshots(
608 clock_snapshot
= bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const(
611 goto no_clock_snapshot
;
615 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
616 if (bt_stream_class_discarded_packets_have_default_clock_snapshots(
618 clock_snapshot
= bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const(
621 goto no_clock_snapshot
;
625 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING
:
626 BT_ASSERT(bt_message_stream_activity_beginning_borrow_stream_class_default_clock_class_const(
628 sa_cs_state
= bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const(
629 msg
, &clock_snapshot
);
630 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
631 goto no_clock_snapshot
;
635 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END
:
636 BT_ASSERT(bt_message_stream_activity_end_borrow_stream_class_default_clock_class_const(
638 sa_cs_state
= bt_message_stream_activity_end_borrow_default_clock_snapshot_const(
639 msg
, &clock_snapshot
);
640 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
641 goto no_clock_snapshot
;
645 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
:
646 clock_snapshot
= bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
650 /* All the other messages have a higher priority */
651 BT_COMP_LOGD_STR("Message has no timestamp: using the last returned timestamp.");
652 *ts_ns
= last_returned_ts_ns
;
656 ret
= bt_clock_snapshot_get_ns_from_origin(clock_snapshot
, ts_ns
);
658 BT_COMP_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
659 "clock-snapshot-addr=%p", clock_snapshot
);
666 BT_COMP_LOGD_STR("Message's default clock snapshot is missing: "
667 "using the last returned timestamp.");
668 *ts_ns
= last_returned_ts_ns
;
676 BT_COMP_LOGD("Found message's timestamp: "
677 "muxer-msg-iter-addr=%p, msg-addr=%p, "
678 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
679 muxer_msg_iter
, msg
, last_returned_ts_ns
,
687 int validate_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
688 struct muxer_comp
*muxer_comp
,
689 const bt_clock_class
*clock_class
)
692 const unsigned char *cc_uuid
;
695 BT_ASSERT(clock_class
);
696 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
697 cc_name
= bt_clock_class_get_name(clock_class
);
699 if (muxer_msg_iter
->clock_class_expectation
==
700 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
702 * This is the first clock class that this muxer
703 * message iterator encounters. Its properties
704 * determine what to expect for the whole lifetime of
705 * the iterator without a true
706 * `assume-absolute-clock-classes` parameter.
708 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
709 /* Expect absolute clock classes */
710 muxer_msg_iter
->clock_class_expectation
=
711 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
715 * Expect non-absolute clock classes
716 * with a specific UUID.
718 muxer_msg_iter
->clock_class_expectation
=
719 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
720 memcpy(muxer_msg_iter
->expected_clock_class_uuid
,
721 cc_uuid
, BABELTRACE_UUID_LEN
);
724 * Expect non-absolute clock classes
727 muxer_msg_iter
->clock_class_expectation
=
728 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
733 if (!muxer_comp
->assume_absolute_clock_classes
) {
734 switch (muxer_msg_iter
->clock_class_expectation
) {
735 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
736 if (!bt_clock_class_origin_is_unix_epoch(clock_class
)) {
737 BT_COMP_LOGE("Expecting an absolute clock class, "
738 "but got a non-absolute one: "
739 "clock-class-addr=%p, clock-class-name=\"%s\"",
740 clock_class
, cc_name
);
744 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
745 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
746 BT_COMP_LOGE("Expecting a non-absolute clock class with no UUID, "
747 "but got an absolute one: "
748 "clock-class-addr=%p, clock-class-name=\"%s\"",
749 clock_class
, cc_name
);
754 BT_COMP_LOGE("Expecting a non-absolute clock class with no UUID, "
755 "but got one with a UUID: "
756 "clock-class-addr=%p, clock-class-name=\"%s\", "
757 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
758 clock_class
, cc_name
,
759 (unsigned int) cc_uuid
[0],
760 (unsigned int) cc_uuid
[1],
761 (unsigned int) cc_uuid
[2],
762 (unsigned int) cc_uuid
[3],
763 (unsigned int) cc_uuid
[4],
764 (unsigned int) cc_uuid
[5],
765 (unsigned int) cc_uuid
[6],
766 (unsigned int) cc_uuid
[7],
767 (unsigned int) cc_uuid
[8],
768 (unsigned int) cc_uuid
[9],
769 (unsigned int) cc_uuid
[10],
770 (unsigned int) cc_uuid
[11],
771 (unsigned int) cc_uuid
[12],
772 (unsigned int) cc_uuid
[13],
773 (unsigned int) cc_uuid
[14],
774 (unsigned int) cc_uuid
[15]);
778 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
779 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
780 BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
781 "but got an absolute one: "
782 "clock-class-addr=%p, clock-class-name=\"%s\"",
783 clock_class
, cc_name
);
788 BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
789 "but got one with no UUID: "
790 "clock-class-addr=%p, clock-class-name=\"%s\"",
791 clock_class
, cc_name
);
795 if (memcmp(muxer_msg_iter
->expected_clock_class_uuid
,
796 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
797 BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
798 "but got one with different UUID: "
799 "clock-class-addr=%p, clock-class-name=\"%s\", "
800 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
801 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
802 clock_class
, cc_name
,
803 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[0],
804 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[1],
805 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[2],
806 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[3],
807 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[4],
808 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[5],
809 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[6],
810 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[7],
811 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[8],
812 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[9],
813 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[10],
814 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[11],
815 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[12],
816 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[13],
817 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[14],
818 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[15],
819 (unsigned int) cc_uuid
[0],
820 (unsigned int) cc_uuid
[1],
821 (unsigned int) cc_uuid
[2],
822 (unsigned int) cc_uuid
[3],
823 (unsigned int) cc_uuid
[4],
824 (unsigned int) cc_uuid
[5],
825 (unsigned int) cc_uuid
[6],
826 (unsigned int) cc_uuid
[7],
827 (unsigned int) cc_uuid
[8],
828 (unsigned int) cc_uuid
[9],
829 (unsigned int) cc_uuid
[10],
830 (unsigned int) cc_uuid
[11],
831 (unsigned int) cc_uuid
[12],
832 (unsigned int) cc_uuid
[13],
833 (unsigned int) cc_uuid
[14],
834 (unsigned int) cc_uuid
[15]);
838 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
:
839 BT_COMP_LOGE("Expecting no clock class, but got one: "
840 "clock-class-addr=%p, clock-class-name=\"%s\"",
841 clock_class
, cc_name
);
845 BT_COMP_LOGF("Unexpected clock class expectation: "
846 "expectation-code=%d",
847 muxer_msg_iter
->clock_class_expectation
);
862 int validate_new_stream_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
863 struct muxer_comp
*muxer_comp
, const bt_stream
*stream
)
866 const bt_stream_class
*stream_class
=
867 bt_stream_borrow_class_const(stream
);
868 const bt_clock_class
*clock_class
=
869 bt_stream_class_borrow_default_clock_class_const(stream_class
);
872 if (muxer_msg_iter
->clock_class_expectation
==
873 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
874 /* Expect no clock class */
875 muxer_msg_iter
->clock_class_expectation
=
876 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
;
878 BT_COMP_LOGE("Expecting stream class with a default clock class: "
879 "stream-class-addr=%p, stream-class-name=\"%s\", "
880 "stream-class-id=%" PRIu64
,
881 stream_class
, bt_stream_class_get_name(stream_class
),
882 bt_stream_class_get_id(stream_class
));
889 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
, clock_class
);
896 * This function finds the youngest available message amongst the
897 * non-ended upstream message iterators and returns the upstream
898 * message iterator which has it, or
899 * BT_MESSAGE_ITERATOR_STATUS_END if there's no available
902 * This function does NOT:
904 * * Update any upstream message iterator.
905 * * Check the upstream message iterators to retry.
907 * On sucess, this function sets *muxer_upstream_msg_iter to the
908 * upstream message iterator of which the current message is
909 * the youngest, and sets *ts_ns to its time.
912 bt_component_class_message_iterator_next_method_status
913 muxer_msg_iter_youngest_upstream_msg_iter(
914 struct muxer_comp
*muxer_comp
,
915 struct muxer_msg_iter
*muxer_msg_iter
,
916 struct muxer_upstream_msg_iter
**muxer_upstream_msg_iter
,
921 int64_t youngest_ts_ns
= INT64_MAX
;
922 bt_component_class_message_iterator_next_method_status status
=
923 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
925 BT_ASSERT(muxer_comp
);
926 BT_ASSERT(muxer_msg_iter
);
927 BT_ASSERT(muxer_upstream_msg_iter
);
928 *muxer_upstream_msg_iter
= NULL
;
930 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
932 const bt_message
*msg
;
933 struct muxer_upstream_msg_iter
*cur_muxer_upstream_msg_iter
=
935 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
939 if (!cur_muxer_upstream_msg_iter
->msg_iter
) {
940 /* This upstream message iterator is ended */
941 BT_COMP_LOGT("Skipping ended upstream message iterator: "
942 "muxer-upstream-msg-iter-wrap-addr=%p",
943 cur_muxer_upstream_msg_iter
);
947 BT_ASSERT(cur_muxer_upstream_msg_iter
->msgs
->length
> 0);
948 msg
= g_queue_peek_head(cur_muxer_upstream_msg_iter
->msgs
);
951 if (G_UNLIKELY(bt_message_get_type(msg
) ==
952 BT_MESSAGE_TYPE_STREAM_BEGINNING
)) {
953 ret
= validate_new_stream_clock_class(
954 muxer_msg_iter
, muxer_comp
,
955 bt_message_stream_beginning_borrow_stream_const(
959 * validate_new_stream_clock_class() logs
962 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
965 } else if (G_UNLIKELY(bt_message_get_type(msg
) ==
966 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
)) {
967 const bt_clock_snapshot
*cs
;
969 cs
= bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
971 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
,
972 bt_clock_snapshot_borrow_clock_class_const(cs
));
974 /* validate_clock_class() logs errors */
975 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
980 ret
= get_msg_ts_ns(muxer_comp
, muxer_msg_iter
, msg
,
981 muxer_msg_iter
->last_returned_ts_ns
, &msg_ts_ns
);
983 /* get_msg_ts_ns() logs errors */
984 *muxer_upstream_msg_iter
= NULL
;
985 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
989 if (msg_ts_ns
<= youngest_ts_ns
) {
990 *muxer_upstream_msg_iter
=
991 cur_muxer_upstream_msg_iter
;
992 youngest_ts_ns
= msg_ts_ns
;
993 *ts_ns
= youngest_ts_ns
;
997 if (!*muxer_upstream_msg_iter
) {
998 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END
;
1007 bt_component_class_message_iterator_next_method_status
1008 validate_muxer_upstream_msg_iter(
1009 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
1012 struct muxer_comp
*muxer_comp
=
1013 muxer_upstream_msg_iter
->muxer_comp
;
1014 bt_component_class_message_iterator_next_method_status status
=
1015 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
1017 BT_COMP_LOGD("Validating muxer's upstream message iterator wrapper: "
1018 "muxer-upstream-msg-iter-wrap-addr=%p",
1019 muxer_upstream_msg_iter
);
1021 if (muxer_upstream_msg_iter
->msgs
->length
> 0 ||
1022 !muxer_upstream_msg_iter
->msg_iter
) {
1023 BT_COMP_LOGD("Already valid or not considered: "
1024 "queue-len=%u, upstream-msg-iter-addr=%p",
1025 muxer_upstream_msg_iter
->msgs
->length
,
1026 muxer_upstream_msg_iter
->msg_iter
);
1030 /* muxer_upstream_msg_iter_next() logs details/errors */
1031 status
= muxer_upstream_msg_iter_next(muxer_upstream_msg_iter
,
1039 bt_component_class_message_iterator_next_method_status
1040 validate_muxer_upstream_msg_iters(
1041 struct muxer_msg_iter
*muxer_msg_iter
)
1043 struct muxer_comp
*muxer_comp
= muxer_msg_iter
->muxer_comp
;
1044 bt_component_class_message_iterator_next_method_status status
=
1045 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
1048 BT_COMP_LOGD("Validating muxer's upstream message iterator wrappers: "
1049 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1051 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1053 bool is_ended
= false;
1054 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
1056 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1059 status
= validate_muxer_upstream_msg_iter(
1060 muxer_upstream_msg_iter
, &is_ended
);
1061 if (status
!= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
1063 BT_COMP_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
1064 "muxer-msg-iter-addr=%p, "
1065 "muxer-upstream-msg-iter-wrap-addr=%p",
1067 muxer_upstream_msg_iter
);
1069 BT_COMP_LOGD("Cannot validate muxer's upstream message iterator wrapper: "
1070 "muxer-msg-iter-addr=%p, "
1071 "muxer-upstream-msg-iter-wrap-addr=%p",
1073 muxer_upstream_msg_iter
);
1080 * Move this muxer upstream message iterator to the
1081 * array of ended iterators if it's ended.
1083 if (G_UNLIKELY(is_ended
)) {
1084 BT_COMP_LOGD("Muxer's upstream message iterator wrapper: ended or canceled: "
1085 "muxer-msg-iter-addr=%p, "
1086 "muxer-upstream-msg-iter-wrap-addr=%p",
1087 muxer_msg_iter
, muxer_upstream_msg_iter
);
1089 muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1090 muxer_upstream_msg_iter
);
1091 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1094 * Use g_ptr_array_remove_fast() because the
1095 * order of those elements is not important.
1097 g_ptr_array_remove_index_fast(
1098 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1109 bt_component_class_message_iterator_next_method_status
muxer_msg_iter_do_next_one(
1110 struct muxer_comp
*muxer_comp
,
1111 struct muxer_msg_iter
*muxer_msg_iter
,
1112 const bt_message
**msg
)
1114 bt_component_class_message_iterator_next_method_status status
;
1115 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
= NULL
;
1116 int64_t next_return_ts
;
1118 status
= validate_muxer_upstream_msg_iters(muxer_msg_iter
);
1119 if (status
!= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
1120 /* validate_muxer_upstream_msg_iters() logs details */
1125 * At this point we know that all the existing upstream
1126 * message iterators are valid. We can find the one,
1127 * amongst those, of which the current message is the
1130 status
= muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp
,
1131 muxer_msg_iter
, &muxer_upstream_msg_iter
,
1133 if (status
< 0 || status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END
) {
1135 BT_COMP_LOGE("Cannot find the youngest upstream message iterator wrapper: "
1137 bt_common_func_status_string(status
));
1139 BT_COMP_LOGD("Cannot find the youngest upstream message iterator wrapper: "
1141 bt_common_func_status_string(status
));
1147 if (next_return_ts
< muxer_msg_iter
->last_returned_ts_ns
) {
1148 BT_COMP_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
1149 "muxer-msg-iter-addr=%p, ts=%" PRId64
", "
1150 "last-returned-ts=%" PRId64
,
1151 muxer_msg_iter
, next_return_ts
,
1152 muxer_msg_iter
->last_returned_ts_ns
);
1153 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
1157 BT_COMP_LOGD("Found youngest upstream message iterator wrapper: "
1158 "muxer-msg-iter-addr=%p, "
1159 "muxer-upstream-msg-iter-wrap-addr=%p, "
1161 muxer_msg_iter
, muxer_upstream_msg_iter
, next_return_ts
);
1162 BT_ASSERT(status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
);
1163 BT_ASSERT(muxer_upstream_msg_iter
);
1166 * Consume from the queue's head: other side
1167 * (muxer_upstream_msg_iter_next()) writes to the tail.
1169 *msg
= g_queue_pop_head(muxer_upstream_msg_iter
->msgs
);
1171 muxer_msg_iter
->last_returned_ts_ns
= next_return_ts
;
1178 bt_component_class_message_iterator_next_method_status
muxer_msg_iter_do_next(
1179 struct muxer_comp
*muxer_comp
,
1180 struct muxer_msg_iter
*muxer_msg_iter
,
1181 bt_message_array_const msgs
, uint64_t capacity
,
1184 bt_component_class_message_iterator_next_method_status status
=
1185 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
1188 while (i
< capacity
&& status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
1189 status
= muxer_msg_iter_do_next_one(muxer_comp
,
1190 muxer_msg_iter
, &msgs
[i
]);
1191 if (status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
1198 * Even if muxer_msg_iter_do_next_one() returned
1199 * something else than
1200 * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated
1201 * message objects in the output message
1202 * array, so we need to return
1203 * BT_MESSAGE_ITERATOR_STATUS_OK so that they are
1204 * transfered to downstream. This other status occurs
1205 * again the next time muxer_msg_iter_do_next() is
1206 * called, possibly without any accumulated
1207 * message, in which case we'll return it.
1210 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
1217 void destroy_muxer_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
)
1219 struct muxer_comp
*muxer_comp
;
1221 if (!muxer_msg_iter
) {
1225 muxer_comp
= muxer_msg_iter
->muxer_comp
;
1226 BT_COMP_LOGD("Destroying muxer component's message iterator: "
1227 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1229 if (muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1230 BT_COMP_LOGD_STR("Destroying muxer's active upstream message iterator wrappers.");
1232 muxer_msg_iter
->active_muxer_upstream_msg_iters
, TRUE
);
1235 if (muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1236 BT_COMP_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers.");
1238 muxer_msg_iter
->ended_muxer_upstream_msg_iters
, TRUE
);
1241 g_free(muxer_msg_iter
);
1245 int muxer_msg_iter_init_upstream_iterators(struct muxer_comp
*muxer_comp
,
1246 struct muxer_msg_iter
*muxer_msg_iter
)
1252 count
= bt_component_filter_get_input_port_count(
1253 bt_self_component_filter_as_component_filter(
1254 muxer_comp
->self_comp_flt
));
1256 BT_COMP_LOGD("No input port to initialize for muxer component's message iterator: "
1257 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
1258 muxer_comp
, muxer_msg_iter
);
1262 for (i
= 0; i
< count
; i
++) {
1263 bt_self_component_port_input_message_iterator
*upstream_msg_iter
;
1264 bt_self_component_port_input
*self_port
=
1265 bt_self_component_filter_borrow_input_port_by_index(
1266 muxer_comp
->self_comp_flt
, i
);
1267 const bt_port
*port
;
1269 BT_ASSERT(self_port
);
1270 port
= bt_self_component_port_as_port(
1271 bt_self_component_port_input_as_self_component_port(
1275 if (!bt_port_is_connected(port
)) {
1276 /* Skip non-connected port */
1280 upstream_msg_iter
= create_msg_iter_on_input_port(muxer_comp
,
1282 if (!upstream_msg_iter
) {
1283 /* create_msg_iter_on_input_port() logs errors */
1284 BT_ASSERT(!upstream_msg_iter
);
1289 ret
= muxer_msg_iter_add_upstream_msg_iter(muxer_msg_iter
,
1291 bt_self_component_port_input_message_iterator_put_ref(
1294 /* muxer_msg_iter_add_upstream_msg_iter() logs errors */
1304 bt_component_class_message_iterator_init_method_status
muxer_msg_iter_init(
1305 bt_self_message_iterator
*self_msg_iter
,
1306 bt_self_component_filter
*self_comp
,
1307 bt_self_component_port_output
*port
)
1309 struct muxer_comp
*muxer_comp
= NULL
;
1310 struct muxer_msg_iter
*muxer_msg_iter
= NULL
;
1311 bt_component_class_message_iterator_init_method_status status
=
1312 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK
;
1315 muxer_comp
= bt_self_component_get_data(
1316 bt_self_component_filter_as_self_component(self_comp
));
1317 BT_ASSERT(muxer_comp
);
1318 BT_COMP_LOGD("Initializing muxer component's message iterator: "
1319 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1320 self_comp
, muxer_comp
, self_msg_iter
);
1322 if (muxer_comp
->initializing_muxer_msg_iter
) {
1324 * Weird, unhandled situation detected: downstream
1325 * creates a muxer message iterator while creating
1326 * another muxer message iterator (same component).
1328 BT_COMP_LOGE("Recursive initialization of muxer component's message iterator: "
1329 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1330 self_comp
, muxer_comp
, self_msg_iter
);
1334 muxer_comp
->initializing_muxer_msg_iter
= true;
1335 muxer_msg_iter
= g_new0(struct muxer_msg_iter
, 1);
1336 if (!muxer_msg_iter
) {
1337 BT_COMP_LOGE_STR("Failed to allocate one muxer component's message iterator.");
1341 muxer_msg_iter
->muxer_comp
= muxer_comp
;
1342 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1343 muxer_msg_iter
->active_muxer_upstream_msg_iters
=
1344 g_ptr_array_new_with_free_func(
1345 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1346 if (!muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
1347 BT_COMP_LOGE_STR("Failed to allocate a GPtrArray.");
1351 muxer_msg_iter
->ended_muxer_upstream_msg_iters
=
1352 g_ptr_array_new_with_free_func(
1353 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1354 if (!muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
1355 BT_COMP_LOGE_STR("Failed to allocate a GPtrArray.");
1359 ret
= muxer_msg_iter_init_upstream_iterators(muxer_comp
,
1362 BT_COMP_LOGE("Cannot initialize connected input ports for muxer component's message iterator: "
1363 "comp-addr=%p, muxer-comp-addr=%p, "
1364 "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
1365 self_comp
, muxer_comp
, muxer_msg_iter
,
1366 self_msg_iter
, ret
);
1370 bt_self_message_iterator_set_data(self_msg_iter
, muxer_msg_iter
);
1371 BT_COMP_LOGD("Initialized muxer component's message iterator: "
1372 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1374 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1378 destroy_muxer_msg_iter(muxer_msg_iter
);
1379 bt_self_message_iterator_set_data(self_msg_iter
, NULL
);
1380 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR
;
1383 muxer_comp
->initializing_muxer_msg_iter
= false;
1388 void muxer_msg_iter_finalize(bt_self_message_iterator
*self_msg_iter
)
1390 struct muxer_msg_iter
*muxer_msg_iter
=
1391 bt_self_message_iterator_get_data(self_msg_iter
);
1392 bt_self_component
*self_comp
= NULL
;
1393 struct muxer_comp
*muxer_comp
= NULL
;
1395 self_comp
= bt_self_message_iterator_borrow_component(
1397 BT_ASSERT(self_comp
);
1398 muxer_comp
= bt_self_component_get_data(self_comp
);
1399 BT_COMP_LOGD("Finalizing muxer component's message iterator: "
1400 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1402 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1404 if (muxer_msg_iter
) {
1405 destroy_muxer_msg_iter(muxer_msg_iter
);
1410 bt_component_class_message_iterator_next_method_status
muxer_msg_iter_next(
1411 bt_self_message_iterator
*self_msg_iter
,
1412 bt_message_array_const msgs
, uint64_t capacity
,
1415 bt_component_class_message_iterator_next_method_status status
;
1416 struct muxer_msg_iter
*muxer_msg_iter
=
1417 bt_self_message_iterator_get_data(self_msg_iter
);
1418 bt_self_component
*self_comp
= NULL
;
1419 struct muxer_comp
*muxer_comp
= NULL
;
1421 BT_ASSERT(muxer_msg_iter
);
1422 self_comp
= bt_self_message_iterator_borrow_component(
1424 BT_ASSERT(self_comp
);
1425 muxer_comp
= bt_self_component_get_data(self_comp
);
1426 BT_ASSERT(muxer_comp
);
1427 BT_COMP_LOGT("Muxer component's message iterator's \"next\" method called: "
1428 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1430 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1432 status
= muxer_msg_iter_do_next(muxer_comp
, muxer_msg_iter
,
1433 msgs
, capacity
, count
);
1435 BT_COMP_LOGE("Cannot get next message: "
1436 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1437 "msg-iter-addr=%p, status=%s",
1438 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
,
1439 bt_common_func_status_string(status
));
1441 BT_COMP_LOGT("Returning from muxer component's message iterator's \"next\" method: "
1443 bt_common_func_status_string(status
));
1450 bt_component_class_port_connected_method_status
muxer_input_port_connected(
1451 bt_self_component_filter
*self_comp
,
1452 bt_self_component_port_input
*self_port
,
1453 const bt_port_output
*other_port
)
1455 bt_component_class_port_connected_method_status status
=
1456 BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_OK
;
1457 bt_self_component_add_port_status add_port_status
;
1458 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
1459 bt_self_component_filter_as_self_component(self_comp
));
1461 add_port_status
= add_available_input_port(self_comp
);
1462 if (add_port_status
) {
1463 BT_COMP_LOGE("Cannot add one muxer component's input port: "
1465 bt_common_func_status_string(status
));
1467 if (add_port_status
==
1468 BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR
) {
1469 status
= BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_MEMORY_ERROR
;
1471 status
= BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_ERROR
;
1482 bt_bool
muxer_upstream_msg_iters_can_all_seek_beginning(
1483 GPtrArray
*muxer_upstream_msg_iters
)
1486 bt_bool ret
= BT_TRUE
;
1488 for (i
= 0; i
< muxer_upstream_msg_iters
->len
; i
++) {
1489 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1490 muxer_upstream_msg_iters
->pdata
[i
];
1492 if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
1493 upstream_msg_iter
->msg_iter
)) {
1504 bt_bool
muxer_msg_iter_can_seek_beginning(
1505 bt_self_message_iterator
*self_msg_iter
)
1507 struct muxer_msg_iter
*muxer_msg_iter
=
1508 bt_self_message_iterator_get_data(self_msg_iter
);
1509 bt_bool ret
= BT_TRUE
;
1511 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1512 muxer_msg_iter
->active_muxer_upstream_msg_iters
)) {
1517 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1518 muxer_msg_iter
->ended_muxer_upstream_msg_iters
)) {
1528 bt_component_class_message_iterator_seek_beginning_method_status
muxer_msg_iter_seek_beginning(
1529 bt_self_message_iterator
*self_msg_iter
)
1531 struct muxer_msg_iter
*muxer_msg_iter
=
1532 bt_self_message_iterator_get_data(self_msg_iter
);
1533 bt_component_class_message_iterator_seek_beginning_method_status status
=
1534 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK
;
1535 bt_message_iterator_seek_beginning_status seek_beg_status
;
1538 /* Seek all ended upstream iterators first */
1539 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1541 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1542 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1544 seek_beg_status
= bt_self_component_port_input_message_iterator_seek_beginning(
1545 upstream_msg_iter
->msg_iter
);
1546 if (seek_beg_status
!= BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK
) {
1547 status
= (int) seek_beg_status
;
1551 empty_message_queue(upstream_msg_iter
);
1554 /* Seek all previously active upstream iterators */
1555 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1557 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1558 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
];
1560 seek_beg_status
= bt_self_component_port_input_message_iterator_seek_beginning(
1561 upstream_msg_iter
->msg_iter
);
1562 if (seek_beg_status
!= BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK
) {
1563 status
= (int) seek_beg_status
;
1567 empty_message_queue(upstream_msg_iter
);
1570 /* Make them all active */
1571 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
1573 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1574 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
1576 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1578 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1581 g_ptr_array_remove_range(muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1582 0, muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
);
1583 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1584 muxer_msg_iter
->clock_class_expectation
=
1585 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
;