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 "logging/comp-logging.h"
28 #include "common/macros.h"
29 #include "common/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 bt_self_message_iterator
*self_msg_iter
;
80 * Array of struct muxer_upstream_msg_iter * (owned by this).
82 * NOTE: This array is searched in linearly to find the youngest
83 * current message. Keep this until benchmarks confirm that
84 * another data structure is faster than this for our typical
87 GPtrArray
*active_muxer_upstream_msg_iters
;
90 * Array of struct muxer_upstream_msg_iter * (owned by this).
92 * We move ended message iterators from
93 * `active_muxer_upstream_msg_iters` to this array so as to be
94 * able to restore them when seeking.
96 GPtrArray
*ended_muxer_upstream_msg_iters
;
98 /* Last time returned in a message */
99 int64_t last_returned_ts_ns
;
101 /* Clock class expectation state */
102 enum muxer_msg_iter_clock_class_expectation clock_class_expectation
;
105 * Expected clock class UUID, only valid when
106 * clock_class_expectation is
107 * MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID.
109 bt_uuid_t expected_clock_class_uuid
;
113 void empty_message_queue(struct muxer_upstream_msg_iter
*upstream_msg_iter
)
115 const bt_message
*msg
;
117 while ((msg
= g_queue_pop_head(upstream_msg_iter
->msgs
))) {
118 bt_message_put_ref(msg
);
123 void destroy_muxer_upstream_msg_iter(
124 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
)
126 struct muxer_comp
*muxer_comp
;
128 if (!muxer_upstream_msg_iter
) {
132 muxer_comp
= muxer_upstream_msg_iter
->muxer_comp
;
133 BT_COMP_LOGD("Destroying muxer's upstream message iterator wrapper: "
134 "addr=%p, msg-iter-addr=%p, queue-len=%u",
135 muxer_upstream_msg_iter
,
136 muxer_upstream_msg_iter
->msg_iter
,
137 muxer_upstream_msg_iter
->msgs
->length
);
138 bt_self_component_port_input_message_iterator_put_ref(
139 muxer_upstream_msg_iter
->msg_iter
);
141 if (muxer_upstream_msg_iter
->msgs
) {
142 empty_message_queue(muxer_upstream_msg_iter
);
143 g_queue_free(muxer_upstream_msg_iter
->msgs
);
146 g_free(muxer_upstream_msg_iter
);
150 int muxer_msg_iter_add_upstream_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
,
151 bt_self_component_port_input_message_iterator
*self_msg_iter
)
154 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
155 g_new0(struct muxer_upstream_msg_iter
, 1);
156 struct muxer_comp
*muxer_comp
= muxer_msg_iter
->muxer_comp
;
158 if (!muxer_upstream_msg_iter
) {
159 BT_COMP_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper.");
163 muxer_upstream_msg_iter
->muxer_comp
= muxer_comp
;
164 muxer_upstream_msg_iter
->msg_iter
= self_msg_iter
;
165 bt_self_component_port_input_message_iterator_get_ref(muxer_upstream_msg_iter
->msg_iter
);
166 muxer_upstream_msg_iter
->msgs
= g_queue_new();
167 if (!muxer_upstream_msg_iter
->msgs
) {
168 BT_COMP_LOGE_STR("Failed to allocate a GQueue.");
172 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
173 muxer_upstream_msg_iter
);
174 BT_COMP_LOGD("Added muxer's upstream message iterator wrapper: "
175 "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p",
176 muxer_upstream_msg_iter
, muxer_msg_iter
,
182 g_free(muxer_upstream_msg_iter
);
190 bt_self_component_add_port_status
add_available_input_port(
191 bt_self_component_filter
*self_comp
)
193 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
194 bt_self_component_filter_as_self_component(self_comp
));
195 bt_self_component_add_port_status status
=
196 BT_SELF_COMPONENT_ADD_PORT_STATUS_OK
;
197 GString
*port_name
= NULL
;
199 BT_ASSERT(muxer_comp
);
200 port_name
= g_string_new("in");
202 BT_COMP_LOGE_STR("Failed to allocate a GString.");
203 status
= BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR
;
207 g_string_append_printf(port_name
, "%u", muxer_comp
->next_port_num
);
208 status
= bt_self_component_filter_add_input_port(
209 self_comp
, port_name
->str
, NULL
, NULL
);
210 if (status
!= BT_SELF_COMPONENT_ADD_PORT_STATUS_OK
) {
211 BT_COMP_LOGE("Cannot add input port to muxer component: "
212 "port-name=\"%s\", comp-addr=%p, status=%s",
213 port_name
->str
, self_comp
,
214 bt_common_func_status_string(status
));
218 muxer_comp
->available_input_ports
++;
219 muxer_comp
->next_port_num
++;
220 BT_COMP_LOGI("Added one input port to muxer component: "
221 "port-name=\"%s\", comp-addr=%p",
222 port_name
->str
, self_comp
);
226 g_string_free(port_name
, TRUE
);
233 bt_self_component_add_port_status
create_output_port(
234 bt_self_component_filter
*self_comp
)
236 return bt_self_component_filter_add_output_port(
237 self_comp
, "out", NULL
, NULL
);
241 void destroy_muxer_comp(struct muxer_comp
*muxer_comp
)
251 bt_value
*get_default_params(struct muxer_comp
*muxer_comp
)
256 params
= bt_value_map_create();
258 BT_COMP_LOGE_STR("Cannot create a map value object.");
262 ret
= bt_value_map_insert_bool_entry(params
,
263 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, false);
265 BT_COMP_LOGE_STR("Cannot add boolean value to map value object.");
272 BT_VALUE_PUT_REF_AND_RESET(params
);
279 int configure_muxer_comp(struct muxer_comp
*muxer_comp
,
280 const bt_value
*params
)
282 bt_value
*default_params
= NULL
;
283 bt_value
*real_params
= NULL
;
284 const bt_value
*assume_absolute_clock_classes
= NULL
;
288 default_params
= get_default_params(muxer_comp
);
289 if (!default_params
) {
290 BT_COMP_LOGE("Cannot get default parameters: "
291 "muxer-comp-addr=%p", muxer_comp
);
295 ret
= bt_value_map_extend(default_params
, params
, &real_params
);
297 BT_COMP_LOGE("Cannot extend default parameters map value: "
298 "muxer-comp-addr=%p, def-params-addr=%p, "
299 "params-addr=%p", muxer_comp
, default_params
,
304 assume_absolute_clock_classes
= bt_value_map_borrow_entry_value(real_params
,
305 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
);
306 if (assume_absolute_clock_classes
&&
307 !bt_value_is_bool(assume_absolute_clock_classes
)) {
308 BT_COMP_LOGE("Expecting a boolean value for the `%s` parameter: "
309 "muxer-comp-addr=%p, value-type=%s",
310 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, muxer_comp
,
311 bt_common_value_type_string(
312 bt_value_get_type(assume_absolute_clock_classes
)));
316 bool_val
= bt_value_bool_get(assume_absolute_clock_classes
);
317 muxer_comp
->assume_absolute_clock_classes
= (bool) bool_val
;
318 BT_COMP_LOGI("Configured muxer component: muxer-comp-addr=%p, "
319 "assume-absolute-clock-classes=%d",
320 muxer_comp
, muxer_comp
->assume_absolute_clock_classes
);
327 bt_value_put_ref(default_params
);
328 bt_value_put_ref(real_params
);
333 bt_component_class_init_method_status
muxer_init(
334 bt_self_component_filter
*self_comp_flt
,
335 const bt_value
*params
, void *init_data
)
338 bt_component_class_init_method_status status
=
339 BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK
;
340 bt_self_component_add_port_status add_port_status
;
341 bt_self_component
*self_comp
=
342 bt_self_component_filter_as_self_component(self_comp_flt
);
343 struct muxer_comp
*muxer_comp
= g_new0(struct muxer_comp
, 1);
344 bt_logging_level log_level
= bt_component_get_logging_level(
345 bt_self_component_as_component(self_comp
));
347 BT_COMP_LOG_CUR_LVL(BT_LOG_INFO
, log_level
, self_comp
,
348 "Initializing muxer component: "
349 "comp-addr=%p, params-addr=%p", self_comp
, params
);
352 BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR
, log_level
, self_comp
,
353 "Failed to allocate one muxer component.");
357 muxer_comp
->log_level
= log_level
;
358 muxer_comp
->self_comp
= self_comp
;
359 muxer_comp
->self_comp_flt
= self_comp_flt
;
360 ret
= configure_muxer_comp(muxer_comp
, params
);
362 BT_COMP_LOGE("Cannot configure muxer component: "
363 "muxer-comp-addr=%p, params-addr=%p",
368 bt_self_component_set_data(self_comp
, muxer_comp
);
369 add_port_status
= add_available_input_port(self_comp_flt
);
370 if (add_port_status
!= BT_SELF_COMPONENT_ADD_PORT_STATUS_OK
) {
371 BT_COMP_LOGE("Cannot ensure that at least one muxer component's input port is available: "
372 "muxer-comp-addr=%p, status=%s",
374 bt_common_func_status_string(add_port_status
));
375 if (add_port_status
==
376 BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR
) {
377 status
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR
;
379 status
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR
;
385 add_port_status
= create_output_port(self_comp_flt
);
386 if (add_port_status
!= BT_SELF_COMPONENT_ADD_PORT_STATUS_OK
) {
387 BT_COMP_LOGE("Cannot create muxer component's output port: "
388 "muxer-comp-addr=%p, status=%s",
390 bt_common_func_status_string(add_port_status
));
391 if (add_port_status
==
392 BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR
) {
393 status
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_MEMORY_ERROR
;
395 status
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR
;
401 BT_COMP_LOGI("Initialized muxer component: "
402 "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
403 self_comp
, params
, muxer_comp
);
408 destroy_muxer_comp(muxer_comp
);
409 bt_self_component_set_data(self_comp
, NULL
);
411 if (status
== BT_COMPONENT_CLASS_INIT_METHOD_STATUS_OK
) {
412 status
= BT_COMPONENT_CLASS_INIT_METHOD_STATUS_ERROR
;
420 void muxer_finalize(bt_self_component_filter
*self_comp
)
422 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
423 bt_self_component_filter_as_self_component(self_comp
));
425 BT_COMP_LOGI("Finalizing muxer component: comp-addr=%p",
427 destroy_muxer_comp(muxer_comp
);
431 bt_self_component_port_input_message_iterator
*
432 create_msg_iter_on_input_port(struct muxer_comp
*muxer_comp
,
433 struct muxer_msg_iter
*muxer_msg_iter
,
434 bt_self_component_port_input
*self_port
)
436 const bt_port
*port
= bt_self_component_port_as_port(
437 bt_self_component_port_input_as_self_component_port(
439 bt_self_component_port_input_message_iterator
*msg_iter
=
443 BT_ASSERT(bt_port_is_connected(port
));
445 // TODO: Advance the iterator to >= the time of the latest
446 // returned message by the muxer message
447 // iterator which creates it.
448 msg_iter
= bt_self_component_port_input_message_iterator_create_from_message_iterator(
449 muxer_msg_iter
->self_msg_iter
, self_port
);
451 BT_COMP_LOGE("Cannot create upstream message iterator on input port: "
452 "port-addr=%p, port-name=\"%s\"",
453 port
, bt_port_get_name(port
));
457 BT_COMP_LOGI("Created upstream message iterator on input port: "
458 "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p",
459 port
, bt_port_get_name(port
), msg_iter
);
466 bt_component_class_message_iterator_next_method_status
muxer_upstream_msg_iter_next(
467 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
470 struct muxer_comp
*muxer_comp
=
471 muxer_upstream_msg_iter
->muxer_comp
;
472 bt_component_class_message_iterator_next_method_status status
;
473 bt_message_iterator_next_status input_port_iter_status
;
474 bt_message_array_const msgs
;
478 BT_COMP_LOGD("Calling upstream message iterator's \"next\" method: "
479 "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p",
480 muxer_upstream_msg_iter
,
481 muxer_upstream_msg_iter
->msg_iter
);
482 input_port_iter_status
= bt_self_component_port_input_message_iterator_next(
483 muxer_upstream_msg_iter
->msg_iter
, &msgs
, &count
);
484 BT_COMP_LOGD("Upstream message iterator's \"next\" method returned: "
486 bt_common_func_status_string(input_port_iter_status
));
488 switch (input_port_iter_status
) {
489 case BT_MESSAGE_ITERATOR_NEXT_STATUS_OK
:
491 * Message iterator's current message is
492 * valid: it must be considered for muxing operations.
494 BT_COMP_LOGD_STR("Validated upstream message iterator wrapper.");
495 BT_ASSERT(count
> 0);
497 /* Move messages to our queue */
498 for (i
= 0; i
< count
; i
++) {
500 * Push to tail in order; other side
501 * (muxer_msg_iter_do_next_one()) consumes
502 * from the head first.
504 g_queue_push_tail(muxer_upstream_msg_iter
->msgs
,
507 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
509 case BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN
:
511 * Message iterator's current message is not
512 * valid anymore. Return
513 * BT_MESSAGE_ITERATOR_NEXT_STATUS_AGAIN immediately.
515 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_AGAIN
;
517 case BT_MESSAGE_ITERATOR_NEXT_STATUS_END
: /* Fall-through. */
519 * Message iterator reached the end: release it. It
520 * won't be considered again to find the youngest
524 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
527 /* Error or unsupported status code */
528 BT_COMP_LOGE("Error or unsupported status code: "
529 "status-code=%d", input_port_iter_status
);
530 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
538 int get_msg_ts_ns(struct muxer_comp
*muxer_comp
,
539 struct muxer_msg_iter
*muxer_msg_iter
,
540 const bt_message
*msg
, int64_t last_returned_ts_ns
,
543 const bt_clock_snapshot
*clock_snapshot
= NULL
;
545 const bt_stream_class
*stream_class
= NULL
;
546 bt_message_type msg_type
;
550 BT_COMP_LOGD("Getting message's timestamp: "
551 "muxer-msg-iter-addr=%p, msg-addr=%p, "
552 "last-returned-ts=%" PRId64
,
553 muxer_msg_iter
, msg
, last_returned_ts_ns
);
555 if (G_UNLIKELY(muxer_msg_iter
->clock_class_expectation
==
556 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
)) {
557 *ts_ns
= last_returned_ts_ns
;
561 msg_type
= bt_message_get_type(msg
);
563 if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_PACKET_BEGINNING
)) {
564 stream_class
= bt_stream_borrow_class_const(
565 bt_packet_borrow_stream_const(
566 bt_message_packet_beginning_borrow_packet_const(
568 } else if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_PACKET_END
)) {
569 stream_class
= bt_stream_borrow_class_const(
570 bt_packet_borrow_stream_const(
571 bt_message_packet_end_borrow_packet_const(
573 } else if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_DISCARDED_EVENTS
)) {
574 stream_class
= bt_stream_borrow_class_const(
575 bt_message_discarded_events_borrow_stream_const(msg
));
576 } else if (G_UNLIKELY(msg_type
== BT_MESSAGE_TYPE_DISCARDED_PACKETS
)) {
577 stream_class
= bt_stream_borrow_class_const(
578 bt_message_discarded_packets_borrow_stream_const(msg
));
582 case BT_MESSAGE_TYPE_EVENT
:
583 BT_ASSERT(bt_message_event_borrow_stream_class_default_clock_class_const(
585 clock_snapshot
= bt_message_event_borrow_default_clock_snapshot_const(
588 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
589 if (bt_stream_class_packets_have_beginning_default_clock_snapshot(
591 clock_snapshot
= bt_message_packet_beginning_borrow_default_clock_snapshot_const(
594 goto no_clock_snapshot
;
598 case BT_MESSAGE_TYPE_PACKET_END
:
599 if (bt_stream_class_packets_have_end_default_clock_snapshot(
601 clock_snapshot
= bt_message_packet_end_borrow_default_clock_snapshot_const(
604 goto no_clock_snapshot
;
608 case BT_MESSAGE_TYPE_STREAM_BEGINNING
:
610 enum bt_message_stream_clock_snapshot_state snapshot_state
=
611 bt_message_stream_beginning_borrow_default_clock_snapshot_const(
612 msg
, &clock_snapshot
);
613 if (snapshot_state
== BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_UNKNOWN
) {
614 goto no_clock_snapshot
;
619 case BT_MESSAGE_TYPE_STREAM_END
:
621 enum bt_message_stream_clock_snapshot_state snapshot_state
=
622 bt_message_stream_end_borrow_default_clock_snapshot_const(
623 msg
, &clock_snapshot
);
624 if (snapshot_state
== BT_MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_UNKNOWN
) {
625 goto no_clock_snapshot
;
630 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
631 if (bt_stream_class_discarded_events_have_default_clock_snapshots(
633 clock_snapshot
= bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const(
636 goto no_clock_snapshot
;
640 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
641 if (bt_stream_class_discarded_packets_have_default_clock_snapshots(
643 clock_snapshot
= bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const(
646 goto no_clock_snapshot
;
650 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
:
651 clock_snapshot
= bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
655 /* All the other messages have a higher priority */
656 BT_COMP_LOGD_STR("Message has no timestamp: using the last returned timestamp.");
657 *ts_ns
= last_returned_ts_ns
;
661 ret
= bt_clock_snapshot_get_ns_from_origin(clock_snapshot
, ts_ns
);
663 BT_COMP_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
664 "clock-snapshot-addr=%p", clock_snapshot
);
671 BT_COMP_LOGD_STR("Message's default clock snapshot is missing: "
672 "using the last returned timestamp.");
673 *ts_ns
= last_returned_ts_ns
;
681 BT_COMP_LOGD("Found message's timestamp: "
682 "muxer-msg-iter-addr=%p, msg-addr=%p, "
683 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
684 muxer_msg_iter
, msg
, last_returned_ts_ns
,
692 int validate_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
693 struct muxer_comp
*muxer_comp
,
694 const bt_clock_class
*clock_class
)
697 const uint8_t *cc_uuid
;
700 BT_ASSERT(clock_class
);
701 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
702 cc_name
= bt_clock_class_get_name(clock_class
);
704 if (muxer_msg_iter
->clock_class_expectation
==
705 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
707 * This is the first clock class that this muxer
708 * message iterator encounters. Its properties
709 * determine what to expect for the whole lifetime of
710 * the iterator without a true
711 * `assume-absolute-clock-classes` parameter.
713 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
714 /* Expect absolute clock classes */
715 muxer_msg_iter
->clock_class_expectation
=
716 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
720 * Expect non-absolute clock classes
721 * with a specific UUID.
723 muxer_msg_iter
->clock_class_expectation
=
724 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
725 bt_uuid_copy(muxer_msg_iter
->expected_clock_class_uuid
, cc_uuid
);
728 * Expect non-absolute clock classes
731 muxer_msg_iter
->clock_class_expectation
=
732 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
737 if (!muxer_comp
->assume_absolute_clock_classes
) {
738 switch (muxer_msg_iter
->clock_class_expectation
) {
739 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
740 if (!bt_clock_class_origin_is_unix_epoch(clock_class
)) {
741 BT_COMP_LOGE("Expecting an absolute clock class, "
742 "but got a non-absolute one: "
743 "clock-class-addr=%p, clock-class-name=\"%s\"",
744 clock_class
, cc_name
);
748 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
749 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
750 BT_COMP_LOGE("Expecting a non-absolute clock class with no UUID, "
751 "but got an absolute one: "
752 "clock-class-addr=%p, clock-class-name=\"%s\"",
753 clock_class
, cc_name
);
758 BT_COMP_LOGE("Expecting a non-absolute clock class with no UUID, "
759 "but got one with a UUID: "
760 "clock-class-addr=%p, clock-class-name=\"%s\", "
761 "uuid=\"" BT_UUID_FMT
"\"",
762 clock_class
, cc_name
, BT_UUID_FMT_VALUES(cc_uuid
));
766 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
767 if (bt_clock_class_origin_is_unix_epoch(clock_class
)) {
768 BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
769 "but got an absolute one: "
770 "clock-class-addr=%p, clock-class-name=\"%s\"",
771 clock_class
, cc_name
);
776 BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
777 "but got one with no UUID: "
778 "clock-class-addr=%p, clock-class-name=\"%s\"",
779 clock_class
, cc_name
);
783 if (bt_uuid_compare(muxer_msg_iter
->expected_clock_class_uuid
, cc_uuid
) != 0) {
784 BT_COMP_LOGE("Expecting a non-absolute clock class with a specific UUID, "
785 "but got one with different UUID: "
786 "clock-class-addr=%p, clock-class-name=\"%s\", "
787 "expected-uuid=\"" BT_UUID_FMT
"\", "
788 "uuid=\"" BT_UUID_FMT
"\"",
789 clock_class
, cc_name
,
790 BT_UUID_FMT_VALUES(muxer_msg_iter
->expected_clock_class_uuid
),
791 BT_UUID_FMT_VALUES(cc_uuid
));
795 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
:
796 BT_COMP_LOGE("Expecting no clock class, but got one: "
797 "clock-class-addr=%p, clock-class-name=\"%s\"",
798 clock_class
, cc_name
);
802 BT_COMP_LOGF("Unexpected clock class expectation: "
803 "expectation-code=%d",
804 muxer_msg_iter
->clock_class_expectation
);
819 int validate_new_stream_clock_class(struct muxer_msg_iter
*muxer_msg_iter
,
820 struct muxer_comp
*muxer_comp
, const bt_stream
*stream
)
823 const bt_stream_class
*stream_class
=
824 bt_stream_borrow_class_const(stream
);
825 const bt_clock_class
*clock_class
=
826 bt_stream_class_borrow_default_clock_class_const(stream_class
);
829 if (muxer_msg_iter
->clock_class_expectation
==
830 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
831 /* Expect no clock class */
832 muxer_msg_iter
->clock_class_expectation
=
833 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE
;
835 BT_COMP_LOGE("Expecting stream class with a default clock class: "
836 "stream-class-addr=%p, stream-class-name=\"%s\", "
837 "stream-class-id=%" PRIu64
,
838 stream_class
, bt_stream_class_get_name(stream_class
),
839 bt_stream_class_get_id(stream_class
));
846 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
, clock_class
);
852 struct message_to_compare
{
853 const bt_message
*msg
;
854 const bt_trace
*trace
;
855 const bt_stream
*stream
;
858 struct messages_to_compare
{
859 struct message_to_compare left
;
860 struct message_to_compare right
;
864 int message_type_weight(const bt_message_type msg_type
)
869 case BT_MESSAGE_TYPE_STREAM_BEGINNING
:
872 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
875 case BT_MESSAGE_TYPE_EVENT
:
878 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
881 case BT_MESSAGE_TYPE_PACKET_END
:
884 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
:
887 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
890 case BT_MESSAGE_TYPE_STREAM_END
:
901 * Compare 2 messages to order them in a determinitic way based on their
903 * Returns -1 is left mesage must go first
904 * Returns 1 is right mesage must go first
907 int compare_messages_by_type(struct messages_to_compare
*msgs
)
909 bt_message_type left_msg_type
= bt_message_get_type(msgs
->left
.msg
);
910 bt_message_type right_msg_type
= bt_message_get_type(msgs
->right
.msg
);
912 return message_type_weight(right_msg_type
) -
913 message_type_weight(left_msg_type
);
917 int compare_events(const bt_event
*left_event
, const bt_event
*right_event
)
920 const bt_event_class
*left_event_class
, *right_event_class
;
921 uint64_t left_event_class_id
, right_event_class_id
;
922 const char *left_event_class_name
, *right_event_class_name
,
923 *left_event_class_emf_uri
, *right_event_class_emf_uri
;
924 bt_event_class_log_level left_event_class_log_level
, right_event_class_log_level
;
925 bt_property_availability left_log_level_avail
, right_log_level_avail
;
927 left_event_class
= bt_event_borrow_class_const(left_event
);
928 right_event_class
= bt_event_borrow_class_const(right_event
);
930 left_event_class_id
= bt_event_class_get_id(left_event_class
);
931 right_event_class_id
= bt_event_class_get_id(right_event_class
);
933 if (left_event_class_id
> right_event_class_id
) {
936 } else if (left_event_class_id
< right_event_class_id
) {
941 left_event_class_name
= bt_event_class_get_name(left_event_class
);
942 right_event_class_name
= bt_event_class_get_name(right_event_class
);
943 if (left_event_class_name
&& right_event_class_name
) {
944 ret
= strcmp(left_event_class_name
, right_event_class_name
);
948 } else if (!left_event_class_name
&& right_event_class_name
) {
951 } else if (left_event_class_name
&& !right_event_class_name
) {
956 left_log_level_avail
= bt_event_class_get_log_level(left_event_class
,
957 &left_event_class_log_level
);
958 right_log_level_avail
= bt_event_class_get_log_level(right_event_class
,
959 &right_event_class_log_level
);
961 if (left_log_level_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
&&
962 right_log_level_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
) {
963 ret
= left_event_class_log_level
- right_event_class_log_level
;
967 } else if (left_log_level_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
&&
968 right_log_level_avail
== BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE
) {
971 } else if (left_log_level_avail
== BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE
&&
972 right_log_level_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
) {
977 left_event_class_emf_uri
= bt_event_class_get_emf_uri(left_event_class
);
978 right_event_class_emf_uri
= bt_event_class_get_emf_uri(right_event_class
);
979 if (left_event_class_emf_uri
&& right_event_class_emf_uri
) {
980 ret
= strcmp(left_event_class_emf_uri
, right_event_class_emf_uri
);
984 } else if (!left_event_class_emf_uri
&& right_event_class_emf_uri
) {
987 } else if (left_event_class_emf_uri
&& !right_event_class_emf_uri
) {
997 int compare_streams(const bt_stream
*left_stream
, const bt_stream
*right_stream
)
1000 const char *left_stream_name
, *right_stream_name
,
1001 *left_stream_class_name
, *right_stream_class_name
;
1002 const bt_stream_class
*left_stream_class
, *right_stream_class
;
1005 * No need to compare stream id as it was checked earlier and if we are
1006 * here it means they are identical or both absent.
1008 BT_ASSERT(bt_stream_get_id(left_stream
) ==
1009 bt_stream_get_id(right_stream
));
1011 /* Compare stream name. */
1012 left_stream_name
= bt_stream_get_name(left_stream
);
1013 right_stream_name
= bt_stream_get_name(right_stream
);
1015 if (left_stream_name
&& right_stream_name
) {
1016 ret
= strcmp(left_stream_name
, right_stream_name
);
1020 } else if (!left_stream_name
&& right_stream_name
) {
1023 } else if (left_stream_name
&& !right_stream_name
) {
1028 left_stream_class
= bt_stream_borrow_class_const(left_stream
);
1029 right_stream_class
= bt_stream_borrow_class_const(right_stream
);
1032 * No need to compare stream class id as it was checked earlier and if
1033 * we are here it means they are identical.
1035 BT_ASSERT(bt_stream_class_get_id(left_stream_class
) ==
1036 bt_stream_class_get_id(right_stream_class
));
1038 /* Compare stream class name. */
1039 left_stream_class_name
= bt_stream_class_get_name(left_stream_class
);
1040 right_stream_class_name
= bt_stream_class_get_name(right_stream_class
);
1042 if (left_stream_class_name
&& right_stream_class_name
) {
1043 ret
= strcmp(left_stream_class_name
, right_stream_class_name
);
1047 } else if (!left_stream_class_name
&& right_stream_class_name
) {
1050 } else if (left_stream_class_name
&& !right_stream_class_name
) {
1055 /* Compare stream class automatic event class id assignment. */
1056 if (bt_stream_class_assigns_automatic_event_class_id(left_stream_class
) &&
1057 !bt_stream_class_assigns_automatic_event_class_id(right_stream_class
)) {
1060 } else if (!bt_stream_class_assigns_automatic_event_class_id(left_stream_class
) &&
1061 bt_stream_class_assigns_automatic_event_class_id(right_stream_class
)) {
1066 /* Compare stream class automatic stream id assignment. */
1067 if (bt_stream_class_assigns_automatic_stream_id(left_stream_class
) &&
1068 !bt_stream_class_assigns_automatic_stream_id(right_stream_class
)) {
1071 } else if (!bt_stream_class_assigns_automatic_stream_id(left_stream_class
) &&
1072 bt_stream_class_assigns_automatic_stream_id(right_stream_class
)) {
1077 /* Compare stream class support of discarded events. */
1078 if (bt_stream_class_supports_discarded_events(left_stream_class
) &&
1079 !bt_stream_class_supports_discarded_events(right_stream_class
)) {
1082 } else if (!bt_stream_class_supports_discarded_events(left_stream_class
) &&
1083 bt_stream_class_supports_discarded_events(right_stream_class
)) {
1088 /* Compare stream class discarded events default clock snapshot. */
1089 if (bt_stream_class_discarded_events_have_default_clock_snapshots(left_stream_class
) &&
1090 !bt_stream_class_discarded_events_have_default_clock_snapshots(right_stream_class
)) {
1093 } else if (!bt_stream_class_discarded_events_have_default_clock_snapshots(left_stream_class
) &&
1094 bt_stream_class_discarded_events_have_default_clock_snapshots(right_stream_class
)) {
1099 /* Compare stream class support of packets. */
1100 if (bt_stream_class_supports_packets(left_stream_class
) &&
1101 !bt_stream_class_supports_packets(right_stream_class
)) {
1104 } else if (!bt_stream_class_supports_packets(left_stream_class
) &&
1105 bt_stream_class_supports_packets(right_stream_class
)) {
1110 if (!bt_stream_class_supports_packets(left_stream_class
)) {
1111 /* Skip all packet related checks. */
1116 * Compare stream class presence of discarded packets beginning default
1119 if (bt_stream_class_packets_have_beginning_default_clock_snapshot(left_stream_class
) &&
1120 !bt_stream_class_packets_have_beginning_default_clock_snapshot(right_stream_class
)) {
1123 } else if (!bt_stream_class_packets_have_beginning_default_clock_snapshot(left_stream_class
) &&
1124 bt_stream_class_packets_have_beginning_default_clock_snapshot(right_stream_class
)) {
1130 * Compare stream class presence of discarded packets end default clock
1133 if (bt_stream_class_packets_have_end_default_clock_snapshot(left_stream_class
) &&
1134 !bt_stream_class_packets_have_end_default_clock_snapshot(right_stream_class
)) {
1137 } else if (!bt_stream_class_packets_have_end_default_clock_snapshot(left_stream_class
) &&
1138 bt_stream_class_packets_have_end_default_clock_snapshot(right_stream_class
)) {
1143 /* Compare stream class support of discarded packets. */
1144 if (bt_stream_class_supports_discarded_packets(left_stream_class
) &&
1145 !bt_stream_class_supports_discarded_packets(right_stream_class
)) {
1148 } else if (!bt_stream_class_supports_discarded_packets(left_stream_class
) &&
1149 bt_stream_class_supports_discarded_packets(right_stream_class
)) {
1154 /* Compare stream class discarded packets default clock snapshot. */
1155 if (bt_stream_class_discarded_packets_have_default_clock_snapshots(left_stream_class
) &&
1156 !bt_stream_class_discarded_packets_have_default_clock_snapshots(right_stream_class
)) {
1159 } else if (!bt_stream_class_discarded_packets_have_default_clock_snapshots(left_stream_class
) &&
1160 bt_stream_class_discarded_packets_have_default_clock_snapshots(right_stream_class
)) {
1170 int compare_clock_snapshots_and_clock_classes(const bt_clock_snapshot
*left_cs
,
1171 const bt_clock_snapshot
*right_cs
)
1174 uint64_t left_freq
, right_freq
, left_prec
, right_prec
;
1175 uint64_t left_cs_value
, right_cs_value
;
1176 const bt_clock_class
*left_clock_class
, *right_clock_class
;
1177 const char *left_clock_class_name
, *right_clock_class_name
;
1178 left_cs_value
= bt_clock_snapshot_get_value(left_cs
);
1179 right_cs_value
= bt_clock_snapshot_get_value(right_cs
);
1180 bt_uuid left_clock_class_uuid
, right_clock_class_uuid
;
1182 ret
= left_cs_value
- right_cs_value
;
1187 left_clock_class
= bt_clock_snapshot_borrow_clock_class_const(left_cs
);
1188 right_clock_class
= bt_clock_snapshot_borrow_clock_class_const(right_cs
);
1190 left_clock_class_uuid
= bt_clock_class_get_uuid(left_clock_class
);
1191 right_clock_class_uuid
= bt_clock_class_get_uuid(right_clock_class
);
1193 if (left_clock_class_uuid
&& !right_clock_class_uuid
) {
1196 } else if (!left_clock_class_uuid
&& right_clock_class_uuid
) {
1199 } else if (left_clock_class_uuid
&& right_clock_class_uuid
) {
1200 ret
= bt_uuid_compare(left_clock_class_uuid
,
1201 right_clock_class_uuid
);
1208 left_clock_class_name
= bt_clock_class_get_name(left_clock_class
);
1209 right_clock_class_name
= bt_clock_class_get_name(right_clock_class
);
1211 if (left_clock_class_name
&& !right_clock_class_name
) {
1214 } else if (!left_clock_class_name
&& right_clock_class_name
) {
1217 } else if (left_clock_class_name
&& right_clock_class_name
) {
1218 ret
= strcmp(left_clock_class_name
, right_clock_class_name
);
1224 left_freq
= bt_clock_class_get_frequency(left_clock_class
);
1225 right_freq
= bt_clock_class_get_frequency(right_clock_class
);
1227 ret
= right_freq
- left_freq
;
1232 left_prec
= bt_clock_class_get_precision(left_clock_class
);
1233 right_prec
= bt_clock_class_get_precision(right_clock_class
);
1235 ret
= right_prec
- left_prec
;
1245 const bt_stream
*borrow_stream(const bt_message
*msg
)
1247 bt_message_type msg_type
= bt_message_get_type(msg
);
1248 const bt_stream
*stream
= NULL
;
1249 const bt_packet
*packet
= NULL
;
1250 const bt_event
*event
= NULL
;
1253 case BT_MESSAGE_TYPE_STREAM_BEGINNING
:
1254 stream
= bt_message_stream_beginning_borrow_stream_const(msg
);
1256 case BT_MESSAGE_TYPE_STREAM_END
:
1257 stream
= bt_message_stream_end_borrow_stream_const(msg
);
1259 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
1260 packet
= bt_message_packet_beginning_borrow_packet_const(msg
);
1261 stream
= bt_packet_borrow_stream_const(packet
);
1263 case BT_MESSAGE_TYPE_PACKET_END
:
1264 packet
= bt_message_packet_end_borrow_packet_const(msg
);
1265 stream
= bt_packet_borrow_stream_const(packet
);
1267 case BT_MESSAGE_TYPE_EVENT
:
1268 event
= bt_message_event_borrow_event_const(msg
);
1269 stream
= bt_event_borrow_stream_const(event
);
1271 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
1272 stream
= bt_message_discarded_events_borrow_stream_const(msg
);
1274 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
1275 stream
= bt_message_discarded_packets_borrow_stream_const(msg
);
1277 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
:
1288 const bt_trace
*borrow_trace(const bt_message
*msg
)
1290 const bt_trace
*trace
= NULL
;
1291 const bt_stream
*stream
= NULL
;
1293 stream
= borrow_stream(msg
);
1295 trace
= bt_stream_borrow_trace_const(stream
);
1302 int compare_messages_by_trace_name(struct messages_to_compare
*msgs
)
1305 const char *left_trace_name
= NULL
, *right_trace_name
= NULL
;
1307 if (msgs
->left
.trace
&& !msgs
->right
.trace
) {
1312 if (!msgs
->left
.trace
&& msgs
->right
.trace
) {
1317 if (!msgs
->left
.trace
&& !msgs
->right
.trace
) {
1322 left_trace_name
= bt_trace_get_name(msgs
->left
.trace
);
1323 right_trace_name
= bt_trace_get_name(msgs
->right
.trace
);
1325 if (left_trace_name
&& !right_trace_name
) {
1330 if (!left_trace_name
&& right_trace_name
) {
1335 if (!left_trace_name
&& !right_trace_name
) {
1340 ret
= strcmp(left_trace_name
, right_trace_name
);
1346 int compare_messages_by_trace_uuid(struct messages_to_compare
*msgs
)
1349 bt_uuid left_trace_uuid
= NULL
, right_trace_uuid
= NULL
;
1351 if (msgs
->left
.trace
&& !msgs
->right
.trace
) {
1356 if (!msgs
->left
.trace
&& msgs
->right
.trace
) {
1361 if (!msgs
->left
.trace
&& !msgs
->right
.trace
) {
1366 left_trace_uuid
= bt_trace_get_uuid(msgs
->left
.trace
);
1367 right_trace_uuid
= bt_trace_get_uuid(msgs
->right
.trace
);
1369 if (left_trace_uuid
&& !right_trace_uuid
) {
1374 if (!left_trace_uuid
&& right_trace_uuid
) {
1379 if (!left_trace_uuid
&& !right_trace_uuid
) {
1384 ret
= bt_uuid_compare(left_trace_uuid
, right_trace_uuid
);
1390 int compare_messages_by_stream_class_id(struct messages_to_compare
*msgs
)
1393 uint64_t left_stream_class_id
= 0, right_stream_class_id
= 0;
1395 if (msgs
->left
.stream
&& !msgs
->right
.stream
) {
1400 if (!msgs
->left
.stream
&& msgs
->right
.stream
) {
1405 if (!msgs
->left
.stream
&& !msgs
->right
.stream
) {
1410 left_stream_class_id
= bt_stream_class_get_id(
1411 bt_stream_borrow_class_const(msgs
->left
.stream
));
1413 right_stream_class_id
= bt_stream_class_get_id(
1414 bt_stream_borrow_class_const(msgs
->right
.stream
));
1416 if (left_stream_class_id
== right_stream_class_id
) {
1421 ret
= (left_stream_class_id
< right_stream_class_id
) ? -1 : 1;
1428 int compare_messages_by_stream_id(struct messages_to_compare
*msgs
)
1431 uint64_t left_stream_id
= 0, right_stream_id
= 0;
1433 if (msgs
->left
.stream
&& !msgs
->right
.stream
) {
1438 if (!msgs
->left
.stream
&& msgs
->right
.stream
) {
1443 if (!msgs
->left
.stream
&& !msgs
->right
.stream
) {
1448 left_stream_id
= bt_stream_get_id(msgs
->left
.stream
);
1449 right_stream_id
= bt_stream_get_id(msgs
->right
.stream
);
1451 if (left_stream_id
== right_stream_id
) {
1456 ret
= (left_stream_id
< right_stream_id
) ? -1 : 1;
1463 int compare_messages_same_type(struct messages_to_compare
*msgs
)
1468 * Both messages are of the same type, we must compare characterics of
1469 * the messages such as the attributes of the event in a event message.
1471 BT_ASSERT(bt_message_get_type(msgs
->left
.msg
) ==
1472 bt_message_get_type(msgs
->right
.msg
));
1474 switch (bt_message_get_type(msgs
->left
.msg
)) {
1475 case BT_MESSAGE_TYPE_STREAM_BEGINNING
:
1476 ret
= compare_streams(msgs
->left
.stream
, msgs
->right
.stream
);
1480 case BT_MESSAGE_TYPE_STREAM_END
:
1481 ret
= compare_streams(msgs
->left
.stream
, msgs
->right
.stream
);
1487 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
1488 ret
= compare_streams(msgs
->left
.stream
, msgs
->right
.stream
);
1494 case BT_MESSAGE_TYPE_PACKET_END
:
1495 ret
= compare_streams(msgs
->left
.stream
, msgs
->right
.stream
);
1501 case BT_MESSAGE_TYPE_EVENT
:
1503 const bt_event
*left_event
, *right_event
;
1504 left_event
= bt_message_event_borrow_event_const(msgs
->left
.msg
);
1505 right_event
= bt_message_event_borrow_event_const(msgs
->right
.msg
);
1507 ret
= compare_events(left_event
, right_event
);
1512 ret
= compare_streams(msgs
->left
.stream
, msgs
->right
.stream
);
1518 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
1520 const bt_stream_class
*left_stream_class
;
1521 bt_property_availability left_event_count_avail
,
1522 right_event_count_avail
;
1523 uint64_t left_event_count
, right_event_count
;
1526 * Compare streams first to check if there is a
1527 * mismatch about discarded event related configuration
1528 * in the stream class.
1530 ret
= compare_streams(msgs
->left
.stream
, msgs
->right
.stream
);
1535 left_stream_class
= bt_stream_borrow_class_const(msgs
->left
.stream
);
1536 if (bt_stream_class_discarded_events_have_default_clock_snapshots(
1537 left_stream_class
)) {
1538 const bt_clock_snapshot
*left_beg_cs
=
1539 bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const(msgs
->left
.msg
);
1540 const bt_clock_snapshot
*right_beg_cs
=
1541 bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const(msgs
->right
.msg
);
1542 const bt_clock_snapshot
*left_end_cs
=
1543 bt_message_discarded_events_borrow_end_default_clock_snapshot_const(msgs
->left
.msg
);
1544 const bt_clock_snapshot
*right_end_cs
=
1545 bt_message_discarded_events_borrow_end_default_clock_snapshot_const(msgs
->right
.msg
);
1547 ret
= compare_clock_snapshots_and_clock_classes(
1548 left_beg_cs
, right_beg_cs
);
1553 ret
= compare_clock_snapshots_and_clock_classes(
1554 left_end_cs
, right_end_cs
);
1560 left_event_count_avail
=
1561 bt_message_discarded_events_get_count(
1562 msgs
->left
.msg
, &left_event_count
);
1563 right_event_count_avail
=
1564 bt_message_discarded_events_get_count(
1565 msgs
->right
.msg
, &right_event_count
);
1566 if (left_event_count_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
&&
1567 right_event_count_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
) {
1568 ret
= left_event_count
- right_event_count
;
1572 } else if (left_event_count_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
&&
1573 right_event_count_avail
== BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE
) {
1576 } else if (left_event_count_avail
== BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE
&&
1577 right_event_count_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
) {
1584 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
1586 const bt_stream_class
*left_stream_class
;
1587 bt_property_availability left_packet_count_avail
,
1588 right_packet_count_avail
;
1589 uint64_t left_packet_count
, right_packet_count
;
1592 * Compare streams first to check if there is a
1593 * mismatch about discarded packets related
1594 * configuration in the stream class.
1596 ret
= compare_streams(msgs
->left
.stream
, msgs
->right
.stream
);
1601 left_stream_class
= bt_stream_borrow_class_const(msgs
->left
.stream
);
1603 if (bt_stream_class_discarded_packets_have_default_clock_snapshots(
1604 left_stream_class
)) {
1605 const bt_clock_snapshot
*left_beg_cs
=
1606 bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const(msgs
->left
.msg
);
1607 const bt_clock_snapshot
*right_beg_cs
=
1608 bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const(msgs
->right
.msg
);
1609 const bt_clock_snapshot
*left_end_cs
=
1610 bt_message_discarded_packets_borrow_end_default_clock_snapshot_const(msgs
->left
.msg
);
1611 const bt_clock_snapshot
*right_end_cs
=
1612 bt_message_discarded_packets_borrow_end_default_clock_snapshot_const(msgs
->right
.msg
);
1614 ret
= compare_clock_snapshots_and_clock_classes(
1615 left_beg_cs
, right_beg_cs
);
1620 ret
= compare_clock_snapshots_and_clock_classes(
1621 left_end_cs
, right_end_cs
);
1627 left_packet_count_avail
= bt_message_discarded_packets_get_count(
1628 msgs
->left
.msg
, &left_packet_count
);
1629 right_packet_count_avail
= bt_message_discarded_packets_get_count(
1630 msgs
->right
.msg
, &right_packet_count
);
1631 if (left_packet_count_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
&&
1632 right_packet_count_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
) {
1633 ret
= left_packet_count
- right_packet_count
;
1637 } else if (left_packet_count_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
&&
1638 right_packet_count_avail
== BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE
) {
1641 } else if (left_packet_count_avail
== BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE
&&
1642 right_packet_count_avail
== BT_PROPERTY_AVAILABILITY_AVAILABLE
) {
1649 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
:
1651 const bt_clock_snapshot
*left_cs
=
1652 bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(msgs
->left
.msg
);
1653 const bt_clock_snapshot
*right_cs
=
1654 bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(msgs
->right
.msg
);
1656 ret
= compare_clock_snapshots_and_clock_classes(
1673 int compare_messages(const bt_message
*left_msg
, const bt_message
*right_msg
)
1676 struct messages_to_compare msgs
;
1678 BT_ASSERT(left_msg
!= right_msg
);
1680 msgs
.left
.msg
= left_msg
;
1681 msgs
.left
.trace
= borrow_trace(left_msg
);
1682 msgs
.left
.stream
= borrow_stream(left_msg
);
1684 msgs
.right
.msg
= right_msg
;
1685 msgs
.right
.trace
= borrow_trace(right_msg
);
1686 msgs
.right
.stream
= borrow_stream(right_msg
);
1688 /* Same timestamp: compare trace names. */
1689 ret
= compare_messages_by_trace_name(&msgs
);
1694 /* Same timestamp and trace name: compare trace UUIDs. */
1695 ret
= compare_messages_by_trace_uuid(&msgs
);
1701 * Same timestamp, trace name, and trace UUID: compare stream class
1704 ret
= compare_messages_by_stream_class_id(&msgs
);
1710 * Same timestamp, trace name, trace UUID, and stream class ID: compare
1713 ret
= compare_messages_by_stream_id(&msgs
);
1718 if (bt_message_get_type(msgs
.left
.msg
) !=
1719 bt_message_get_type(msgs
.right
.msg
)) {
1721 * The messages are of different type, we order (arbitrarily)
1722 * in the following way:
1723 * SB < PB < EV < DE < MI < PE < DP < SE
1725 ret
= compare_messages_by_type(&msgs
);
1730 /* The messages are of the same type. */
1731 ret
= compare_messages_same_type(&msgs
);
1742 * This function finds the youngest available message amongst the
1743 * non-ended upstream message iterators and returns the upstream
1744 * message iterator which has it, or
1745 * BT_MESSAGE_ITERATOR_STATUS_END if there's no available
1748 * This function does NOT:
1750 * * Update any upstream message iterator.
1751 * * Check the upstream message iterators to retry.
1753 * On sucess, this function sets *muxer_upstream_msg_iter to the
1754 * upstream message iterator of which the current message is
1755 * the youngest, and sets *ts_ns to its time.
1758 bt_component_class_message_iterator_next_method_status
1759 muxer_msg_iter_youngest_upstream_msg_iter(
1760 struct muxer_comp
*muxer_comp
,
1761 struct muxer_msg_iter
*muxer_msg_iter
,
1762 struct muxer_upstream_msg_iter
**muxer_upstream_msg_iter
,
1767 int64_t youngest_ts_ns
= INT64_MAX
;
1768 bt_component_class_message_iterator_next_method_status status
=
1769 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
1771 BT_ASSERT(muxer_comp
);
1772 BT_ASSERT(muxer_msg_iter
);
1773 BT_ASSERT(muxer_upstream_msg_iter
);
1774 *muxer_upstream_msg_iter
= NULL
;
1776 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1778 const bt_message
*msg
;
1779 struct muxer_upstream_msg_iter
*cur_muxer_upstream_msg_iter
=
1781 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1785 if (!cur_muxer_upstream_msg_iter
->msg_iter
) {
1786 /* This upstream message iterator is ended */
1787 BT_COMP_LOGT("Skipping ended upstream message iterator: "
1788 "muxer-upstream-msg-iter-wrap-addr=%p",
1789 cur_muxer_upstream_msg_iter
);
1793 BT_ASSERT(cur_muxer_upstream_msg_iter
->msgs
->length
> 0);
1794 msg
= g_queue_peek_head(cur_muxer_upstream_msg_iter
->msgs
);
1797 if (G_UNLIKELY(bt_message_get_type(msg
) ==
1798 BT_MESSAGE_TYPE_STREAM_BEGINNING
)) {
1799 ret
= validate_new_stream_clock_class(
1800 muxer_msg_iter
, muxer_comp
,
1801 bt_message_stream_beginning_borrow_stream_const(
1805 * validate_new_stream_clock_class() logs
1808 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
1811 } else if (G_UNLIKELY(bt_message_get_type(msg
) ==
1812 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY
)) {
1813 const bt_clock_snapshot
*cs
;
1815 cs
= bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
1817 ret
= validate_clock_class(muxer_msg_iter
, muxer_comp
,
1818 bt_clock_snapshot_borrow_clock_class_const(cs
));
1820 /* validate_clock_class() logs errors */
1821 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
1826 ret
= get_msg_ts_ns(muxer_comp
, muxer_msg_iter
, msg
,
1827 muxer_msg_iter
->last_returned_ts_ns
, &msg_ts_ns
);
1829 /* get_msg_ts_ns() logs errors */
1830 *muxer_upstream_msg_iter
= NULL
;
1831 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
1835 if (msg_ts_ns
< youngest_ts_ns
) {
1836 *muxer_upstream_msg_iter
=
1837 cur_muxer_upstream_msg_iter
;
1838 youngest_ts_ns
= msg_ts_ns
;
1839 *ts_ns
= youngest_ts_ns
;
1840 } else if (msg_ts_ns
== youngest_ts_ns
) {
1842 * The currently selected message to be sent downstream
1843 * next has the exact same timestamp that of the
1844 * current candidate message. We must break the tie
1845 * in a predictable manner.
1847 const bt_message
*selected_msg
= g_queue_peek_head(
1848 (*muxer_upstream_msg_iter
)->msgs
);
1849 BT_COMP_LOGD_STR("Two of the next message candidates have the same timestamps, pick one deterministically.");
1852 * Order the messages in an arbitrary but determinitic
1855 ret
= compare_messages(msg
, selected_msg
);
1858 * The `msg` should go first. Update the next
1859 * iterator and the current timestamp.
1861 *muxer_upstream_msg_iter
=
1862 cur_muxer_upstream_msg_iter
;
1863 youngest_ts_ns
= msg_ts_ns
;
1864 *ts_ns
= youngest_ts_ns
;
1865 } else if (ret
== 0) {
1866 /* Unable to pick which one should go first. */
1867 BT_COMP_LOGW("Cannot deterministically pick next upstream message iterator because they have identical next messages: "
1868 "muxer-upstream-msg-iter-wrap-addr=%p"
1869 "cur-muxer-upstream-msg-iter-wrap-addr=%p",
1870 *muxer_upstream_msg_iter
,
1871 cur_muxer_upstream_msg_iter
);
1876 if (!*muxer_upstream_msg_iter
) {
1877 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END
;
1886 bt_component_class_message_iterator_next_method_status
1887 validate_muxer_upstream_msg_iter(
1888 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
,
1891 struct muxer_comp
*muxer_comp
=
1892 muxer_upstream_msg_iter
->muxer_comp
;
1893 bt_component_class_message_iterator_next_method_status status
=
1894 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
1896 BT_COMP_LOGD("Validating muxer's upstream message iterator wrapper: "
1897 "muxer-upstream-msg-iter-wrap-addr=%p",
1898 muxer_upstream_msg_iter
);
1900 if (muxer_upstream_msg_iter
->msgs
->length
> 0 ||
1901 !muxer_upstream_msg_iter
->msg_iter
) {
1902 BT_COMP_LOGD("Already valid or not considered: "
1903 "queue-len=%u, upstream-msg-iter-addr=%p",
1904 muxer_upstream_msg_iter
->msgs
->length
,
1905 muxer_upstream_msg_iter
->msg_iter
);
1909 /* muxer_upstream_msg_iter_next() logs details/errors */
1910 status
= muxer_upstream_msg_iter_next(muxer_upstream_msg_iter
,
1918 bt_component_class_message_iterator_next_method_status
1919 validate_muxer_upstream_msg_iters(
1920 struct muxer_msg_iter
*muxer_msg_iter
)
1922 struct muxer_comp
*muxer_comp
= muxer_msg_iter
->muxer_comp
;
1923 bt_component_class_message_iterator_next_method_status status
=
1924 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
1927 BT_COMP_LOGD("Validating muxer's upstream message iterator wrappers: "
1928 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1930 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
1932 bool is_ended
= false;
1933 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
1935 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1938 status
= validate_muxer_upstream_msg_iter(
1939 muxer_upstream_msg_iter
, &is_ended
);
1940 if (status
!= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
1942 BT_COMP_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
1943 "muxer-msg-iter-addr=%p, "
1944 "muxer-upstream-msg-iter-wrap-addr=%p",
1946 muxer_upstream_msg_iter
);
1948 BT_COMP_LOGD("Cannot validate muxer's upstream message iterator wrapper: "
1949 "muxer-msg-iter-addr=%p, "
1950 "muxer-upstream-msg-iter-wrap-addr=%p",
1952 muxer_upstream_msg_iter
);
1959 * Move this muxer upstream message iterator to the
1960 * array of ended iterators if it's ended.
1962 if (G_UNLIKELY(is_ended
)) {
1963 BT_COMP_LOGD("Muxer's upstream message iterator wrapper: ended or canceled: "
1964 "muxer-msg-iter-addr=%p, "
1965 "muxer-upstream-msg-iter-wrap-addr=%p",
1966 muxer_msg_iter
, muxer_upstream_msg_iter
);
1968 muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
1969 muxer_upstream_msg_iter
);
1970 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
1973 * Use g_ptr_array_remove_fast() because the
1974 * order of those elements is not important.
1976 g_ptr_array_remove_index_fast(
1977 muxer_msg_iter
->active_muxer_upstream_msg_iters
,
1988 bt_component_class_message_iterator_next_method_status
muxer_msg_iter_do_next_one(
1989 struct muxer_comp
*muxer_comp
,
1990 struct muxer_msg_iter
*muxer_msg_iter
,
1991 const bt_message
**msg
)
1993 bt_component_class_message_iterator_next_method_status status
;
1994 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
= NULL
;
1995 int64_t next_return_ts
;
1997 status
= validate_muxer_upstream_msg_iters(muxer_msg_iter
);
1998 if (status
!= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
1999 /* validate_muxer_upstream_msg_iters() logs details */
2004 * At this point we know that all the existing upstream
2005 * message iterators are valid. We can find the one,
2006 * amongst those, of which the current message is the
2009 status
= muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp
,
2010 muxer_msg_iter
, &muxer_upstream_msg_iter
,
2012 if (status
< 0 || status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_END
) {
2014 BT_COMP_LOGE("Cannot find the youngest upstream message iterator wrapper: "
2016 bt_common_func_status_string(status
));
2018 BT_COMP_LOGD("Cannot find the youngest upstream message iterator wrapper: "
2020 bt_common_func_status_string(status
));
2026 if (next_return_ts
< muxer_msg_iter
->last_returned_ts_ns
) {
2027 BT_COMP_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
2028 "muxer-msg-iter-addr=%p, ts=%" PRId64
", "
2029 "last-returned-ts=%" PRId64
,
2030 muxer_msg_iter
, next_return_ts
,
2031 muxer_msg_iter
->last_returned_ts_ns
);
2032 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_ERROR
;
2036 BT_COMP_LOGD("Found youngest upstream message iterator wrapper: "
2037 "muxer-msg-iter-addr=%p, "
2038 "muxer-upstream-msg-iter-wrap-addr=%p, "
2040 muxer_msg_iter
, muxer_upstream_msg_iter
, next_return_ts
);
2041 BT_ASSERT(status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
);
2042 BT_ASSERT(muxer_upstream_msg_iter
);
2045 * Consume from the queue's head: other side
2046 * (muxer_upstream_msg_iter_next()) writes to the tail.
2048 *msg
= g_queue_pop_head(muxer_upstream_msg_iter
->msgs
);
2050 muxer_msg_iter
->last_returned_ts_ns
= next_return_ts
;
2057 bt_component_class_message_iterator_next_method_status
muxer_msg_iter_do_next(
2058 struct muxer_comp
*muxer_comp
,
2059 struct muxer_msg_iter
*muxer_msg_iter
,
2060 bt_message_array_const msgs
, uint64_t capacity
,
2063 bt_component_class_message_iterator_next_method_status status
=
2064 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
2067 while (i
< capacity
&& status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
2068 status
= muxer_msg_iter_do_next_one(muxer_comp
,
2069 muxer_msg_iter
, &msgs
[i
]);
2070 if (status
== BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
) {
2077 * Even if muxer_msg_iter_do_next_one() returned
2078 * something else than
2079 * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated
2080 * message objects in the output message
2081 * array, so we need to return
2082 * BT_MESSAGE_ITERATOR_STATUS_OK so that they are
2083 * transfered to downstream. This other status occurs
2084 * again the next time muxer_msg_iter_do_next() is
2085 * called, possibly without any accumulated
2086 * message, in which case we'll return it.
2089 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK
;
2096 void destroy_muxer_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
)
2098 struct muxer_comp
*muxer_comp
;
2100 if (!muxer_msg_iter
) {
2104 muxer_comp
= muxer_msg_iter
->muxer_comp
;
2105 BT_COMP_LOGD("Destroying muxer component's message iterator: "
2106 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
2108 if (muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
2109 BT_COMP_LOGD_STR("Destroying muxer's active upstream message iterator wrappers.");
2111 muxer_msg_iter
->active_muxer_upstream_msg_iters
, TRUE
);
2114 if (muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
2115 BT_COMP_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers.");
2117 muxer_msg_iter
->ended_muxer_upstream_msg_iters
, TRUE
);
2120 g_free(muxer_msg_iter
);
2124 int muxer_msg_iter_init_upstream_iterators(struct muxer_comp
*muxer_comp
,
2125 struct muxer_msg_iter
*muxer_msg_iter
)
2131 count
= bt_component_filter_get_input_port_count(
2132 bt_self_component_filter_as_component_filter(
2133 muxer_comp
->self_comp_flt
));
2135 BT_COMP_LOGD("No input port to initialize for muxer component's message iterator: "
2136 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
2137 muxer_comp
, muxer_msg_iter
);
2141 for (i
= 0; i
< count
; i
++) {
2142 bt_self_component_port_input_message_iterator
*upstream_msg_iter
;
2143 bt_self_component_port_input
*self_port
=
2144 bt_self_component_filter_borrow_input_port_by_index(
2145 muxer_comp
->self_comp_flt
, i
);
2146 const bt_port
*port
;
2148 BT_ASSERT(self_port
);
2149 port
= bt_self_component_port_as_port(
2150 bt_self_component_port_input_as_self_component_port(
2154 if (!bt_port_is_connected(port
)) {
2155 /* Skip non-connected port */
2159 upstream_msg_iter
= create_msg_iter_on_input_port(muxer_comp
,
2160 muxer_msg_iter
, self_port
);
2161 if (!upstream_msg_iter
) {
2162 /* create_msg_iter_on_input_port() logs errors */
2163 BT_ASSERT(!upstream_msg_iter
);
2168 ret
= muxer_msg_iter_add_upstream_msg_iter(muxer_msg_iter
,
2170 bt_self_component_port_input_message_iterator_put_ref(
2173 /* muxer_msg_iter_add_upstream_msg_iter() logs errors */
2183 bt_component_class_message_iterator_init_method_status
muxer_msg_iter_init(
2184 bt_self_message_iterator
*self_msg_iter
,
2185 bt_self_component_filter
*self_comp
,
2186 bt_self_component_port_output
*port
)
2188 struct muxer_comp
*muxer_comp
= NULL
;
2189 struct muxer_msg_iter
*muxer_msg_iter
= NULL
;
2190 bt_component_class_message_iterator_init_method_status status
=
2191 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_OK
;
2194 muxer_comp
= bt_self_component_get_data(
2195 bt_self_component_filter_as_self_component(self_comp
));
2196 BT_ASSERT(muxer_comp
);
2197 BT_COMP_LOGD("Initializing muxer component's message iterator: "
2198 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
2199 self_comp
, muxer_comp
, self_msg_iter
);
2201 if (muxer_comp
->initializing_muxer_msg_iter
) {
2203 * Weird, unhandled situation detected: downstream
2204 * creates a muxer message iterator while creating
2205 * another muxer message iterator (same component).
2207 BT_COMP_LOGE("Recursive initialization of muxer component's message iterator: "
2208 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
2209 self_comp
, muxer_comp
, self_msg_iter
);
2213 muxer_comp
->initializing_muxer_msg_iter
= true;
2214 muxer_msg_iter
= g_new0(struct muxer_msg_iter
, 1);
2215 if (!muxer_msg_iter
) {
2216 BT_COMP_LOGE_STR("Failed to allocate one muxer component's message iterator.");
2220 muxer_msg_iter
->muxer_comp
= muxer_comp
;
2221 muxer_msg_iter
->self_msg_iter
= self_msg_iter
;
2222 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
2223 muxer_msg_iter
->active_muxer_upstream_msg_iters
=
2224 g_ptr_array_new_with_free_func(
2225 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
2226 if (!muxer_msg_iter
->active_muxer_upstream_msg_iters
) {
2227 BT_COMP_LOGE_STR("Failed to allocate a GPtrArray.");
2231 muxer_msg_iter
->ended_muxer_upstream_msg_iters
=
2232 g_ptr_array_new_with_free_func(
2233 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
2234 if (!muxer_msg_iter
->ended_muxer_upstream_msg_iters
) {
2235 BT_COMP_LOGE_STR("Failed to allocate a GPtrArray.");
2239 ret
= muxer_msg_iter_init_upstream_iterators(muxer_comp
,
2242 BT_COMP_LOGE("Cannot initialize connected input ports for muxer component's message iterator: "
2243 "comp-addr=%p, muxer-comp-addr=%p, "
2244 "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
2245 self_comp
, muxer_comp
, muxer_msg_iter
,
2246 self_msg_iter
, ret
);
2250 bt_self_message_iterator_set_data(self_msg_iter
, muxer_msg_iter
);
2251 BT_COMP_LOGD("Initialized muxer component's message iterator: "
2252 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
2254 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
2258 destroy_muxer_msg_iter(muxer_msg_iter
);
2259 bt_self_message_iterator_set_data(self_msg_iter
, NULL
);
2260 status
= BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INIT_METHOD_STATUS_ERROR
;
2263 muxer_comp
->initializing_muxer_msg_iter
= false;
2268 void muxer_msg_iter_finalize(bt_self_message_iterator
*self_msg_iter
)
2270 struct muxer_msg_iter
*muxer_msg_iter
=
2271 bt_self_message_iterator_get_data(self_msg_iter
);
2272 bt_self_component
*self_comp
= NULL
;
2273 struct muxer_comp
*muxer_comp
= NULL
;
2275 self_comp
= bt_self_message_iterator_borrow_component(
2277 BT_ASSERT(self_comp
);
2278 muxer_comp
= bt_self_component_get_data(self_comp
);
2279 BT_COMP_LOGD("Finalizing muxer component's message iterator: "
2280 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
2282 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
2284 if (muxer_msg_iter
) {
2285 destroy_muxer_msg_iter(muxer_msg_iter
);
2290 bt_component_class_message_iterator_next_method_status
muxer_msg_iter_next(
2291 bt_self_message_iterator
*self_msg_iter
,
2292 bt_message_array_const msgs
, uint64_t capacity
,
2295 bt_component_class_message_iterator_next_method_status status
;
2296 struct muxer_msg_iter
*muxer_msg_iter
=
2297 bt_self_message_iterator_get_data(self_msg_iter
);
2298 bt_self_component
*self_comp
= NULL
;
2299 struct muxer_comp
*muxer_comp
= NULL
;
2301 BT_ASSERT(muxer_msg_iter
);
2302 self_comp
= bt_self_message_iterator_borrow_component(
2304 BT_ASSERT(self_comp
);
2305 muxer_comp
= bt_self_component_get_data(self_comp
);
2306 BT_ASSERT(muxer_comp
);
2307 BT_COMP_LOGT("Muxer component's message iterator's \"next\" method called: "
2308 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
2310 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
2312 status
= muxer_msg_iter_do_next(muxer_comp
, muxer_msg_iter
,
2313 msgs
, capacity
, count
);
2315 BT_COMP_LOGE("Cannot get next message: "
2316 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
2317 "msg-iter-addr=%p, status=%s",
2318 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
,
2319 bt_common_func_status_string(status
));
2321 BT_COMP_LOGT("Returning from muxer component's message iterator's \"next\" method: "
2323 bt_common_func_status_string(status
));
2330 bt_component_class_port_connected_method_status
muxer_input_port_connected(
2331 bt_self_component_filter
*self_comp
,
2332 bt_self_component_port_input
*self_port
,
2333 const bt_port_output
*other_port
)
2335 bt_component_class_port_connected_method_status status
=
2336 BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_OK
;
2337 bt_self_component_add_port_status add_port_status
;
2338 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
2339 bt_self_component_filter_as_self_component(self_comp
));
2341 add_port_status
= add_available_input_port(self_comp
);
2342 if (add_port_status
) {
2343 BT_COMP_LOGE("Cannot add one muxer component's input port: "
2345 bt_common_func_status_string(status
));
2347 if (add_port_status
==
2348 BT_SELF_COMPONENT_ADD_PORT_STATUS_MEMORY_ERROR
) {
2349 status
= BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_MEMORY_ERROR
;
2351 status
= BT_COMPONENT_CLASS_PORT_CONNECTED_METHOD_STATUS_ERROR
;
2362 bt_bool
muxer_upstream_msg_iters_can_all_seek_beginning(
2363 GPtrArray
*muxer_upstream_msg_iters
)
2366 bt_bool ret
= BT_TRUE
;
2368 for (i
= 0; i
< muxer_upstream_msg_iters
->len
; i
++) {
2369 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
2370 muxer_upstream_msg_iters
->pdata
[i
];
2372 if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
2373 upstream_msg_iter
->msg_iter
)) {
2384 bt_bool
muxer_msg_iter_can_seek_beginning(
2385 bt_self_message_iterator
*self_msg_iter
)
2387 struct muxer_msg_iter
*muxer_msg_iter
=
2388 bt_self_message_iterator_get_data(self_msg_iter
);
2389 bt_bool ret
= BT_TRUE
;
2391 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
2392 muxer_msg_iter
->active_muxer_upstream_msg_iters
)) {
2397 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
2398 muxer_msg_iter
->ended_muxer_upstream_msg_iters
)) {
2408 bt_component_class_message_iterator_seek_beginning_method_status
muxer_msg_iter_seek_beginning(
2409 bt_self_message_iterator
*self_msg_iter
)
2411 struct muxer_msg_iter
*muxer_msg_iter
=
2412 bt_self_message_iterator_get_data(self_msg_iter
);
2413 bt_component_class_message_iterator_seek_beginning_method_status status
=
2414 BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK
;
2415 bt_message_iterator_seek_beginning_status seek_beg_status
;
2418 /* Seek all ended upstream iterators first */
2419 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
2421 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
2422 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
2424 seek_beg_status
= bt_self_component_port_input_message_iterator_seek_beginning(
2425 upstream_msg_iter
->msg_iter
);
2426 if (seek_beg_status
!= BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK
) {
2427 status
= (int) seek_beg_status
;
2431 empty_message_queue(upstream_msg_iter
);
2434 /* Seek all previously active upstream iterators */
2435 for (i
= 0; i
< muxer_msg_iter
->active_muxer_upstream_msg_iters
->len
;
2437 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
2438 muxer_msg_iter
->active_muxer_upstream_msg_iters
->pdata
[i
];
2440 seek_beg_status
= bt_self_component_port_input_message_iterator_seek_beginning(
2441 upstream_msg_iter
->msg_iter
);
2442 if (seek_beg_status
!= BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK
) {
2443 status
= (int) seek_beg_status
;
2447 empty_message_queue(upstream_msg_iter
);
2450 /* Make them all active */
2451 for (i
= 0; i
< muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
;
2453 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
2454 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
];
2456 g_ptr_array_add(muxer_msg_iter
->active_muxer_upstream_msg_iters
,
2458 muxer_msg_iter
->ended_muxer_upstream_msg_iters
->pdata
[i
] = NULL
;
2462 * GLib < 2.48.0 asserts when g_ptr_array_remove_range() is
2463 * called on an empty array.
2465 if (muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
> 0) {
2466 g_ptr_array_remove_range(muxer_msg_iter
->ended_muxer_upstream_msg_iters
,
2467 0, muxer_msg_iter
->ended_muxer_upstream_msg_iters
->len
);
2469 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
2470 muxer_msg_iter
->clock_class_expectation
=
2471 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
;