2 * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #define BT_LOG_TAG "PLUGIN-UTILS-MUXER-FLT"
26 #include <babeltrace/babeltrace-internal.h>
27 #include <babeltrace/compat/uuid-internal.h>
28 #include <babeltrace/babeltrace.h>
29 #include <babeltrace/value-internal.h>
30 #include <babeltrace/graph/component-internal.h>
31 #include <babeltrace/graph/message-iterator-internal.h>
32 #include <babeltrace/graph/connection-internal.h>
33 #include <plugins-common.h>
37 #include <babeltrace/assert-internal.h>
38 #include <babeltrace/common-internal.h>
44 #define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes"
49 * bt_self_message_iterator *
52 GPtrArray
*muxer_msg_iters
;
55 bt_self_component_filter
*self_comp
;
57 unsigned int next_port_num
;
58 size_t available_input_ports
;
59 bool initializing_muxer_msg_iter
;
60 bool assume_absolute_clock_classes
;
63 struct muxer_upstream_msg_iter
{
64 /* Owned by this, NULL if ended */
65 bt_self_component_port_input_message_iterator
*msg_iter
;
67 /* Contains `const bt_message *`, owned by this */
71 enum muxer_msg_iter_clock_class_expectation
{
72 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
= 0,
73 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
,
74 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
,
75 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
,
78 struct muxer_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
*muxer_upstream_msg_iters
;
90 * List of "recently" connected input ports (weak) to
91 * handle by this muxer message iterator.
92 * muxer_port_connected() adds entries to this list, and the
93 * entries are removed when a message iterator is created
94 * on the port's connection and put into
95 * muxer_upstream_msg_iters above by
96 * muxer_msg_iter_handle_newly_connected_ports().
98 GList
*newly_connected_self_ports
;
100 /* Last time returned in a message */
101 int64_t last_returned_ts_ns
;
103 /* Clock class expectation state */
104 enum muxer_msg_iter_clock_class_expectation clock_class_expectation
;
107 * Expected clock class UUID, only valid when
108 * clock_class_expectation is
109 * MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID.
111 unsigned char expected_clock_class_uuid
[BABELTRACE_UUID_LEN
];
115 void destroy_muxer_upstream_msg_iter(
116 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
)
118 if (!muxer_upstream_msg_iter
) {
122 BT_LOGD("Destroying muxer's upstream message iterator wrapper: "
123 "addr=%p, msg-iter-addr=%p, queue-len=%u",
124 muxer_upstream_msg_iter
,
125 muxer_upstream_msg_iter
->msg_iter
,
126 muxer_upstream_msg_iter
->msgs
->length
);
127 bt_self_component_port_input_message_iterator_put_ref(muxer_upstream_msg_iter
->msg_iter
);
129 if (muxer_upstream_msg_iter
->msgs
) {
130 const bt_message
*msg
;
132 while ((msg
= g_queue_pop_head(
133 muxer_upstream_msg_iter
->msgs
))) {
134 bt_message_put_ref(msg
);
137 g_queue_free(muxer_upstream_msg_iter
->msgs
);
140 g_free(muxer_upstream_msg_iter
);
144 struct muxer_upstream_msg_iter
*muxer_msg_iter_add_upstream_msg_iter(
145 struct muxer_msg_iter
*muxer_msg_iter
,
146 bt_self_component_port_input_message_iterator
*self_msg_iter
)
148 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
149 g_new0(struct muxer_upstream_msg_iter
, 1);
151 if (!muxer_upstream_msg_iter
) {
152 BT_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper.");
156 muxer_upstream_msg_iter
->msg_iter
= self_msg_iter
;
157 bt_self_component_port_input_message_iterator_get_ref(muxer_upstream_msg_iter
->msg_iter
);
158 muxer_upstream_msg_iter
->msgs
= g_queue_new();
159 if (!muxer_upstream_msg_iter
->msgs
) {
160 BT_LOGE_STR("Failed to allocate a GQueue.");
164 g_ptr_array_add(muxer_msg_iter
->muxer_upstream_msg_iters
,
165 muxer_upstream_msg_iter
);
166 BT_LOGD("Added muxer's upstream message iterator wrapper: "
167 "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p",
168 muxer_upstream_msg_iter
, muxer_msg_iter
,
172 return muxer_upstream_msg_iter
;
176 bt_self_component_status
ensure_available_input_port(
177 bt_self_component_filter
*self_comp
)
179 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
180 bt_self_component_filter_as_self_component(self_comp
));
181 bt_self_component_status status
= BT_SELF_COMPONENT_STATUS_OK
;
182 GString
*port_name
= NULL
;
184 BT_ASSERT(muxer_comp
);
186 if (muxer_comp
->available_input_ports
>= 1) {
190 port_name
= g_string_new("in");
192 BT_LOGE_STR("Failed to allocate a GString.");
193 status
= BT_SELF_COMPONENT_STATUS_NOMEM
;
197 g_string_append_printf(port_name
, "%u", muxer_comp
->next_port_num
);
198 status
= bt_self_component_filter_add_input_port(
199 self_comp
, port_name
->str
, NULL
, NULL
);
200 if (status
!= BT_SELF_COMPONENT_STATUS_OK
) {
201 BT_LOGE("Cannot add input port to muxer component: "
202 "port-name=\"%s\", comp-addr=%p, status=%s",
203 port_name
->str
, self_comp
,
204 bt_self_component_status_string(status
));
208 muxer_comp
->available_input_ports
++;
209 muxer_comp
->next_port_num
++;
210 BT_LOGD("Added one input port to muxer component: "
211 "port-name=\"%s\", comp-addr=%p",
212 port_name
->str
, self_comp
);
215 g_string_free(port_name
, TRUE
);
222 bt_self_component_status
create_output_port(
223 bt_self_component_filter
*self_comp
)
225 return bt_self_component_filter_add_output_port(
226 self_comp
, "out", NULL
, NULL
);
230 void destroy_muxer_comp(struct muxer_comp
*muxer_comp
)
236 BT_LOGD("Destroying muxer component: muxer-comp-addr=%p, "
237 "muxer-msg-iter-count=%u", muxer_comp
,
238 muxer_comp
->muxer_msg_iters
?
239 muxer_comp
->muxer_msg_iters
->len
: 0);
241 if (muxer_comp
->muxer_msg_iters
) {
242 g_ptr_array_free(muxer_comp
->muxer_msg_iters
, TRUE
);
249 bt_value
*get_default_params(void)
254 params
= bt_value_map_create();
256 BT_LOGE_STR("Cannot create a map value object.");
260 ret
= bt_value_map_insert_bool_entry(params
,
261 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, false);
263 BT_LOGE_STR("Cannot add boolean value to map value object.");
270 BT_VALUE_PUT_REF_AND_RESET(params
);
277 int configure_muxer_comp(struct muxer_comp
*muxer_comp
,
278 const bt_value
*params
)
280 bt_value
*default_params
= NULL
;
281 bt_value
*real_params
= NULL
;
282 const bt_value
*assume_absolute_clock_classes
= NULL
;
286 default_params
= get_default_params();
287 if (!default_params
) {
288 BT_LOGE("Cannot get default parameters: "
289 "muxer-comp-addr=%p", muxer_comp
);
293 ret
= bt_value_map_extend(default_params
, params
, &real_params
);
295 BT_LOGE("Cannot extend default parameters map value: "
296 "muxer-comp-addr=%p, def-params-addr=%p, "
297 "params-addr=%p", muxer_comp
, default_params
,
302 assume_absolute_clock_classes
= bt_value_map_borrow_entry_value(real_params
,
303 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
);
304 if (assume_absolute_clock_classes
&&
305 !bt_value_is_bool(assume_absolute_clock_classes
)) {
306 BT_LOGE("Expecting a boolean value for the `%s` parameter: "
307 "muxer-comp-addr=%p, value-type=%s",
308 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME
, muxer_comp
,
309 bt_common_value_type_string(
310 bt_value_get_type(assume_absolute_clock_classes
)));
314 bool_val
= bt_value_bool_get(assume_absolute_clock_classes
);
315 muxer_comp
->assume_absolute_clock_classes
= (bool) bool_val
;
316 BT_LOGD("Configured muxer component: muxer-comp-addr=%p, "
317 "assume-absolute-clock-classes=%d",
318 muxer_comp
, muxer_comp
->assume_absolute_clock_classes
);
325 bt_value_put_ref(default_params
);
326 bt_value_put_ref(real_params
);
331 bt_self_component_status
muxer_init(
332 bt_self_component_filter
*self_comp
,
333 const bt_value
*params
, void *init_data
)
338 bt_self_component_status status
= BT_SELF_COMPONENT_STATUS_OK
;
339 struct muxer_comp
*muxer_comp
= g_new0(struct muxer_comp
, 1);
341 BT_LOGD("Initializing muxer component: "
342 "comp-addr=%p, params-addr=%p", self_comp
, params
);
345 BT_LOGE_STR("Failed to allocate one muxer component.");
349 ret
= configure_muxer_comp(muxer_comp
, params
);
351 BT_LOGE("Cannot configure muxer component: "
352 "muxer-comp-addr=%p, params-addr=%p",
357 muxer_comp
->muxer_msg_iters
= g_ptr_array_new();
358 if (!muxer_comp
->muxer_msg_iters
) {
359 BT_LOGE_STR("Failed to allocate a GPtrArray.");
363 muxer_comp
->self_comp
= self_comp
;
364 bt_self_component_set_data(
365 bt_self_component_filter_as_self_component(self_comp
),
367 status
= ensure_available_input_port(self_comp
);
368 if (status
!= BT_SELF_COMPONENT_STATUS_OK
) {
369 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
370 "muxer-comp-addr=%p, status=%s",
372 bt_self_component_status_string(status
));
376 status
= create_output_port(self_comp
);
378 BT_LOGE("Cannot create muxer component's output port: "
379 "muxer-comp-addr=%p, status=%s",
381 bt_self_component_status_string(status
));
385 BT_LOGD("Initialized muxer component: "
386 "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
387 self_comp
, params
, muxer_comp
);
392 destroy_muxer_comp(muxer_comp
);
393 bt_self_component_set_data(
394 bt_self_component_filter_as_self_component(self_comp
),
397 if (status
== BT_SELF_COMPONENT_STATUS_OK
) {
398 status
= BT_SELF_COMPONENT_STATUS_ERROR
;
406 void muxer_finalize(bt_self_component_filter
*self_comp
)
408 struct muxer_comp
*muxer_comp
= bt_self_component_get_data(
409 bt_self_component_filter_as_self_component(self_comp
));
411 BT_LOGD("Finalizing muxer component: comp-addr=%p",
413 destroy_muxer_comp(muxer_comp
);
417 bt_self_component_port_input_message_iterator
*
418 create_msg_iter_on_input_port(
419 bt_self_component_port_input
*self_port
, int *ret
)
421 const bt_port
*port
= bt_self_component_port_as_port(
422 bt_self_component_port_input_as_self_component_port(
424 bt_self_component_port_input_message_iterator
*msg_iter
=
430 BT_ASSERT(bt_port_is_connected(port
));
432 // TODO: Advance the iterator to >= the time of the latest
433 // returned message by the muxer message
434 // iterator which creates it.
435 msg_iter
= bt_self_component_port_input_message_iterator_create(
438 BT_LOGE("Cannot create upstream message iterator on input port: "
439 "port-addr=%p, port-name=\"%s\"",
440 port
, bt_port_get_name(port
));
445 BT_LOGD("Created upstream message iterator on input port: "
446 "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p",
447 port
, bt_port_get_name(port
), msg_iter
);
454 bt_self_message_iterator_status
muxer_upstream_msg_iter_next(
455 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
)
457 bt_self_message_iterator_status status
;
458 bt_message_iterator_status input_port_iter_status
;
459 bt_message_array_const msgs
;
463 BT_LOGV("Calling upstream message iterator's \"next\" method: "
464 "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p",
465 muxer_upstream_msg_iter
,
466 muxer_upstream_msg_iter
->msg_iter
);
467 input_port_iter_status
= bt_self_component_port_input_message_iterator_next(
468 muxer_upstream_msg_iter
->msg_iter
, &msgs
, &count
);
469 BT_LOGV("Upstream message iterator's \"next\" method returned: "
470 "status=%s", bt_message_iterator_status_string(input_port_iter_status
));
472 switch (input_port_iter_status
) {
473 case BT_MESSAGE_ITERATOR_STATUS_OK
:
475 * Message iterator's current message is
476 * valid: it must be considered for muxing operations.
478 BT_LOGV_STR("Validated upstream message iterator wrapper.");
479 BT_ASSERT(count
> 0);
481 /* Move messages to our queue */
482 for (i
= 0; i
< count
; i
++) {
484 * Push to tail in order; other side
485 * (muxer_msg_iter_do_next_one()) consumes
486 * from the head first.
488 g_queue_push_tail(muxer_upstream_msg_iter
->msgs
,
491 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
493 case BT_MESSAGE_ITERATOR_STATUS_AGAIN
:
495 * Message iterator's current message is not
496 * valid anymore. Return
497 * BT_MESSAGE_ITERATOR_STATUS_AGAIN immediately.
499 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN
;
501 case BT_MESSAGE_ITERATOR_STATUS_END
: /* Fall-through. */
503 * Message iterator reached the end: release it. It
504 * won't be considered again to find the youngest
507 BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_PUT_REF_AND_RESET(muxer_upstream_msg_iter
->msg_iter
);
508 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
511 /* Error or unsupported status code */
512 BT_LOGE("Error or unsupported status code: "
513 "status-code=%d", input_port_iter_status
);
514 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
522 int muxer_msg_iter_handle_newly_connected_ports(
523 struct muxer_msg_iter
*muxer_msg_iter
)
527 BT_LOGV("Handling newly connected ports: "
528 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
531 * Here we create one upstream message iterator for each
532 * newly connected port. We do NOT perform an initial "next" on
533 * those new upstream message iterators: they are
534 * invalidated, to be validated later. The list of newly
535 * connected ports to handle here is updated by
536 * muxer_port_connected().
539 GList
*node
= muxer_msg_iter
->newly_connected_self_ports
;
540 bt_self_component_port_input
*self_port
;
542 bt_self_component_port_input_message_iterator
*
543 upstream_msg_iter
= NULL
;
544 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
;
550 self_port
= node
->data
;
551 port
= bt_self_component_port_as_port(
552 bt_self_component_port_input_as_self_component_port(
556 if (!bt_port_is_connected(port
)) {
558 * Looks like this port is not connected
559 * anymore: we can't create an upstream
560 * message iterator on its (non-existing)
561 * connection in this case.
566 upstream_msg_iter
= create_msg_iter_on_input_port(
569 /* create_msg_iter_on_input_port() logs errors */
570 BT_ASSERT(!upstream_msg_iter
);
574 muxer_upstream_msg_iter
=
575 muxer_msg_iter_add_upstream_msg_iter(
576 muxer_msg_iter
, upstream_msg_iter
);
577 BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_PUT_REF_AND_RESET(upstream_msg_iter
);
578 if (!muxer_upstream_msg_iter
) {
580 * muxer_msg_iter_add_upstream_msg_iter()
587 bt_self_component_port_input_message_iterator_put_ref(upstream_msg_iter
);
588 muxer_msg_iter
->newly_connected_self_ports
=
590 muxer_msg_iter
->newly_connected_self_ports
,
606 int get_msg_ts_ns(struct muxer_comp
*muxer_comp
,
607 struct muxer_msg_iter
*muxer_msg_iter
,
608 const bt_message
*msg
, int64_t last_returned_ts_ns
,
611 const bt_clock_class
*clock_class
= NULL
;
612 const bt_clock_snapshot
*clock_snapshot
= NULL
;
614 const unsigned char *cc_uuid
;
616 bt_clock_snapshot_state cs_state
= BT_CLOCK_SNAPSHOT_STATE_KNOWN
;
617 bt_message_stream_activity_clock_snapshot_state sa_cs_state
;
622 BT_LOGV("Getting message's timestamp: "
623 "muxer-msg-iter-addr=%p, msg-addr=%p, "
624 "last-returned-ts=%" PRId64
,
625 muxer_msg_iter
, msg
, last_returned_ts_ns
);
627 switch (bt_message_get_type(msg
)) {
628 case BT_MESSAGE_TYPE_EVENT
:
630 bt_message_event_borrow_stream_class_default_clock_class_const(
633 goto no_clock_snapshot
;
636 cs_state
= bt_message_event_borrow_default_clock_snapshot_const(
637 msg
, &clock_snapshot
);
639 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
640 bt_message_packet_beginning_borrow_stream_class_default_clock_class_const(
643 goto no_clock_snapshot
;
646 cs_state
= bt_message_packet_beginning_borrow_default_clock_snapshot_const(
647 msg
, &clock_snapshot
);
649 case BT_MESSAGE_TYPE_PACKET_END
:
650 bt_message_packet_end_borrow_stream_class_default_clock_class_const(
653 goto no_clock_snapshot
;
656 cs_state
= bt_message_packet_end_borrow_default_clock_snapshot_const(
657 msg
, &clock_snapshot
);
659 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
660 bt_message_discarded_events_borrow_stream_class_default_clock_class_const(
663 goto no_clock_snapshot
;
666 cs_state
= bt_message_discarded_events_borrow_default_beginning_clock_snapshot_const(
667 msg
, &clock_snapshot
);
669 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
670 bt_message_discarded_packets_borrow_stream_class_default_clock_class_const(
673 goto no_clock_snapshot
;
676 cs_state
= bt_message_discarded_packets_borrow_default_beginning_clock_snapshot_const(
677 msg
, &clock_snapshot
);
679 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING
:
680 bt_message_stream_activity_beginning_borrow_stream_class_default_clock_class_const(
683 goto no_clock_snapshot
;
686 sa_cs_state
= bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const(
687 msg
, &clock_snapshot
);
688 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
689 goto no_clock_snapshot
;
693 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END
:
694 bt_message_stream_activity_end_borrow_stream_class_default_clock_class_const(
697 goto no_clock_snapshot
;
700 sa_cs_state
= bt_message_stream_activity_end_borrow_default_clock_snapshot_const(
701 msg
, &clock_snapshot
);
702 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
703 goto no_clock_snapshot
;
707 case BT_MESSAGE_TYPE_INACTIVITY
:
709 bt_message_inactivity_borrow_default_clock_snapshot_const(
710 msg
, &clock_snapshot
);
713 /* All the other messages have a higher priority */
714 BT_LOGV_STR("Message has no timestamp: using the last returned timestamp.");
715 *ts_ns
= last_returned_ts_ns
;
719 if (cs_state
!= BT_CLOCK_SNAPSHOT_STATE_KNOWN
) {
720 BT_LOGE_STR("Unsupported unknown clock snapshot.");
725 clock_class
= bt_clock_snapshot_borrow_clock_class_const(clock_snapshot
);
726 BT_ASSERT(clock_class
);
727 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
728 cc_name
= bt_clock_class_get_name(clock_class
);
730 if (muxer_msg_iter
->clock_class_expectation
==
731 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
733 * This is the first clock class that this muxer
734 * message iterator encounters. Its properties
735 * determine what to expect for the whole lifetime of
736 * the iterator without a true
737 * `assume-absolute-clock-classes` parameter.
739 if (bt_clock_class_is_absolute(clock_class
)) {
740 /* Expect absolute clock classes */
741 muxer_msg_iter
->clock_class_expectation
=
742 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
746 * Expect non-absolute clock classes
747 * with a specific UUID.
749 muxer_msg_iter
->clock_class_expectation
=
750 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
751 memcpy(muxer_msg_iter
->expected_clock_class_uuid
,
752 cc_uuid
, BABELTRACE_UUID_LEN
);
755 * Expect non-absolute clock classes
758 muxer_msg_iter
->clock_class_expectation
=
759 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
;
764 if (!muxer_comp
->assume_absolute_clock_classes
) {
765 switch (muxer_msg_iter
->clock_class_expectation
) {
766 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
:
767 if (!bt_clock_class_is_absolute(clock_class
)) {
768 BT_LOGE("Expecting an absolute clock class, "
769 "but got a non-absolute one: "
770 "clock-class-addr=%p, clock-class-name=\"%s\"",
771 clock_class
, cc_name
);
775 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID
:
776 if (bt_clock_class_is_absolute(clock_class
)) {
777 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
778 "but got an absolute one: "
779 "clock-class-addr=%p, clock-class-name=\"%s\"",
780 clock_class
, cc_name
);
785 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
786 "but got one with a UUID: "
787 "clock-class-addr=%p, clock-class-name=\"%s\", "
788 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
789 clock_class
, cc_name
,
790 (unsigned int) cc_uuid
[0],
791 (unsigned int) cc_uuid
[1],
792 (unsigned int) cc_uuid
[2],
793 (unsigned int) cc_uuid
[3],
794 (unsigned int) cc_uuid
[4],
795 (unsigned int) cc_uuid
[5],
796 (unsigned int) cc_uuid
[6],
797 (unsigned int) cc_uuid
[7],
798 (unsigned int) cc_uuid
[8],
799 (unsigned int) cc_uuid
[9],
800 (unsigned int) cc_uuid
[10],
801 (unsigned int) cc_uuid
[11],
802 (unsigned int) cc_uuid
[12],
803 (unsigned int) cc_uuid
[13],
804 (unsigned int) cc_uuid
[14],
805 (unsigned int) cc_uuid
[15]);
809 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
810 if (bt_clock_class_is_absolute(clock_class
)) {
811 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
812 "but got an absolute one: "
813 "clock-class-addr=%p, clock-class-name=\"%s\"",
814 clock_class
, cc_name
);
819 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
820 "but got one with no UUID: "
821 "clock-class-addr=%p, clock-class-name=\"%s\"",
822 clock_class
, cc_name
);
826 if (memcmp(muxer_msg_iter
->expected_clock_class_uuid
,
827 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
828 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
829 "but got one with different UUID: "
830 "clock-class-addr=%p, clock-class-name=\"%s\", "
831 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
832 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
833 clock_class
, cc_name
,
834 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[0],
835 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[1],
836 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[2],
837 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[3],
838 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[4],
839 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[5],
840 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[6],
841 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[7],
842 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[8],
843 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[9],
844 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[10],
845 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[11],
846 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[12],
847 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[13],
848 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[14],
849 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[15],
850 (unsigned int) cc_uuid
[0],
851 (unsigned int) cc_uuid
[1],
852 (unsigned int) cc_uuid
[2],
853 (unsigned int) cc_uuid
[3],
854 (unsigned int) cc_uuid
[4],
855 (unsigned int) cc_uuid
[5],
856 (unsigned int) cc_uuid
[6],
857 (unsigned int) cc_uuid
[7],
858 (unsigned int) cc_uuid
[8],
859 (unsigned int) cc_uuid
[9],
860 (unsigned int) cc_uuid
[10],
861 (unsigned int) cc_uuid
[11],
862 (unsigned int) cc_uuid
[12],
863 (unsigned int) cc_uuid
[13],
864 (unsigned int) cc_uuid
[14],
865 (unsigned int) cc_uuid
[15]);
871 BT_LOGF("Unexpected clock class expectation: "
872 "expectation-code=%d",
873 muxer_msg_iter
->clock_class_expectation
);
878 ret
= bt_clock_snapshot_get_ns_from_origin(clock_snapshot
, ts_ns
);
880 BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
881 "clock-snapshot-addr=%p", clock_snapshot
);
888 BT_LOGV_STR("Message's default clock snapshot is missing: "
889 "using the last returned timestamp.");
890 *ts_ns
= last_returned_ts_ns
;
898 BT_LOGV("Found message's timestamp: "
899 "muxer-msg-iter-addr=%p, msg-addr=%p, "
900 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
901 muxer_msg_iter
, msg
, last_returned_ts_ns
,
909 * This function finds the youngest available message amongst the
910 * non-ended upstream message iterators and returns the upstream
911 * message iterator which has it, or
912 * BT_MESSAGE_ITERATOR_STATUS_END if there's no available
915 * This function does NOT:
917 * * Update any upstream message iterator.
918 * * Check for newly connected ports.
919 * * Check the upstream message iterators to retry.
921 * On sucess, this function sets *muxer_upstream_msg_iter to the
922 * upstream message iterator of which the current message is
923 * the youngest, and sets *ts_ns to its time.
926 bt_self_message_iterator_status
927 muxer_msg_iter_youngest_upstream_msg_iter(
928 struct muxer_comp
*muxer_comp
,
929 struct muxer_msg_iter
*muxer_msg_iter
,
930 struct muxer_upstream_msg_iter
**muxer_upstream_msg_iter
,
935 int64_t youngest_ts_ns
= INT64_MAX
;
936 bt_self_message_iterator_status status
=
937 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
939 BT_ASSERT(muxer_comp
);
940 BT_ASSERT(muxer_msg_iter
);
941 BT_ASSERT(muxer_upstream_msg_iter
);
942 *muxer_upstream_msg_iter
= NULL
;
944 for (i
= 0; i
< muxer_msg_iter
->muxer_upstream_msg_iters
->len
; i
++) {
945 const bt_message
*msg
;
946 struct muxer_upstream_msg_iter
*cur_muxer_upstream_msg_iter
=
947 g_ptr_array_index(muxer_msg_iter
->muxer_upstream_msg_iters
, i
);
950 if (!cur_muxer_upstream_msg_iter
->msg_iter
) {
951 /* This upstream message iterator is ended */
952 BT_LOGV("Skipping ended upstream message iterator: "
953 "muxer-upstream-msg-iter-wrap-addr=%p",
954 cur_muxer_upstream_msg_iter
);
958 BT_ASSERT(cur_muxer_upstream_msg_iter
->msgs
->length
> 0);
959 msg
= g_queue_peek_head(cur_muxer_upstream_msg_iter
->msgs
);
961 ret
= get_msg_ts_ns(muxer_comp
, muxer_msg_iter
, msg
,
962 muxer_msg_iter
->last_returned_ts_ns
, &msg_ts_ns
);
964 /* get_msg_ts_ns() logs errors */
965 *muxer_upstream_msg_iter
= NULL
;
966 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
970 if (msg_ts_ns
<= youngest_ts_ns
) {
971 *muxer_upstream_msg_iter
=
972 cur_muxer_upstream_msg_iter
;
973 youngest_ts_ns
= msg_ts_ns
;
974 *ts_ns
= youngest_ts_ns
;
978 if (!*muxer_upstream_msg_iter
) {
979 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_END
;
988 bt_self_message_iterator_status
validate_muxer_upstream_msg_iter(
989 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
)
991 bt_self_message_iterator_status status
=
992 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
994 BT_LOGV("Validating muxer's upstream message iterator wrapper: "
995 "muxer-upstream-msg-iter-wrap-addr=%p",
996 muxer_upstream_msg_iter
);
998 if (muxer_upstream_msg_iter
->msgs
->length
> 0 ||
999 !muxer_upstream_msg_iter
->msg_iter
) {
1000 BT_LOGV("Already valid or not considered: "
1001 "queue-len=%u, upstream-msg-iter-addr=%p",
1002 muxer_upstream_msg_iter
->msgs
->length
,
1003 muxer_upstream_msg_iter
->msg_iter
);
1007 /* muxer_upstream_msg_iter_next() logs details/errors */
1008 status
= muxer_upstream_msg_iter_next(muxer_upstream_msg_iter
);
1015 bt_self_message_iterator_status
validate_muxer_upstream_msg_iters(
1016 struct muxer_msg_iter
*muxer_msg_iter
)
1018 bt_self_message_iterator_status status
=
1019 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1022 BT_LOGV("Validating muxer's upstream message iterator wrappers: "
1023 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1025 for (i
= 0; i
< muxer_msg_iter
->muxer_upstream_msg_iters
->len
; i
++) {
1026 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
1028 muxer_msg_iter
->muxer_upstream_msg_iters
,
1031 status
= validate_muxer_upstream_msg_iter(
1032 muxer_upstream_msg_iter
);
1033 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1035 BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
1036 "muxer-msg-iter-addr=%p, "
1037 "muxer-upstream-msg-iter-wrap-addr=%p",
1039 muxer_upstream_msg_iter
);
1041 BT_LOGV("Cannot validate muxer's upstream message iterator wrapper: "
1042 "muxer-msg-iter-addr=%p, "
1043 "muxer-upstream-msg-iter-wrap-addr=%p",
1045 muxer_upstream_msg_iter
);
1052 * Remove this muxer upstream message iterator
1053 * if it's ended or canceled.
1055 if (!muxer_upstream_msg_iter
->msg_iter
) {
1057 * Use g_ptr_array_remove_fast() because the
1058 * order of those elements is not important.
1060 BT_LOGV("Removing muxer's upstream message iterator wrapper: ended or canceled: "
1061 "muxer-msg-iter-addr=%p, "
1062 "muxer-upstream-msg-iter-wrap-addr=%p",
1063 muxer_msg_iter
, muxer_upstream_msg_iter
);
1064 g_ptr_array_remove_index_fast(
1065 muxer_msg_iter
->muxer_upstream_msg_iters
,
1076 bt_self_message_iterator_status
muxer_msg_iter_do_next_one(
1077 struct muxer_comp
*muxer_comp
,
1078 struct muxer_msg_iter
*muxer_msg_iter
,
1079 const bt_message
**msg
)
1081 bt_self_message_iterator_status status
=
1082 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1083 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
= NULL
;
1084 int64_t next_return_ts
;
1087 int ret
= muxer_msg_iter_handle_newly_connected_ports(
1091 BT_LOGE("Cannot handle newly connected input ports for muxer's message iterator: "
1092 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1094 muxer_comp
, muxer_msg_iter
, ret
);
1095 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1099 status
= validate_muxer_upstream_msg_iters(muxer_msg_iter
);
1100 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1101 /* validate_muxer_upstream_msg_iters() logs details */
1106 * At this point, we know that all the existing upstream
1107 * message iterators are valid. However the
1108 * operations to validate them (during
1109 * validate_muxer_upstream_msg_iters()) may have
1110 * connected new ports. If no ports were connected
1111 * during this operation, exit the loop.
1113 if (!muxer_msg_iter
->newly_connected_self_ports
) {
1114 BT_LOGV("Not breaking this loop: muxer's message iterator still has newly connected input ports to handle: "
1115 "muxer-comp-addr=%p", muxer_comp
);
1120 BT_ASSERT(!muxer_msg_iter
->newly_connected_self_ports
);
1123 * At this point we know that all the existing upstream
1124 * message iterators are valid. We can find the one,
1125 * amongst those, of which the current message is the
1128 status
= muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp
,
1129 muxer_msg_iter
, &muxer_upstream_msg_iter
,
1131 if (status
< 0 || status
== BT_SELF_MESSAGE_ITERATOR_STATUS_END
) {
1133 BT_LOGE("Cannot find the youngest upstream message iterator wrapper: "
1135 bt_self_message_iterator_status_string(status
));
1137 BT_LOGV("Cannot find the youngest upstream message iterator wrapper: "
1139 bt_self_message_iterator_status_string(status
));
1145 if (next_return_ts
< muxer_msg_iter
->last_returned_ts_ns
) {
1146 BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
1147 "muxer-msg-iter-addr=%p, ts=%" PRId64
", "
1148 "last-returned-ts=%" PRId64
,
1149 muxer_msg_iter
, next_return_ts
,
1150 muxer_msg_iter
->last_returned_ts_ns
);
1151 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1155 BT_LOGV("Found youngest upstream message iterator wrapper: "
1156 "muxer-msg-iter-addr=%p, "
1157 "muxer-upstream-msg-iter-wrap-addr=%p, "
1159 muxer_msg_iter
, muxer_upstream_msg_iter
, next_return_ts
);
1160 BT_ASSERT(status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
);
1161 BT_ASSERT(muxer_upstream_msg_iter
);
1164 * Consume from the queue's head: other side
1165 * (muxer_upstream_msg_iter_next()) writes to the tail.
1167 *msg
= g_queue_pop_head(muxer_upstream_msg_iter
->msgs
);
1169 muxer_msg_iter
->last_returned_ts_ns
= next_return_ts
;
1176 bt_self_message_iterator_status
muxer_msg_iter_do_next(
1177 struct muxer_comp
*muxer_comp
,
1178 struct muxer_msg_iter
*muxer_msg_iter
,
1179 bt_message_array_const msgs
, uint64_t capacity
,
1182 bt_self_message_iterator_status status
=
1183 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1186 while (i
< capacity
&& status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1187 status
= muxer_msg_iter_do_next_one(muxer_comp
,
1188 muxer_msg_iter
, &msgs
[i
]);
1189 if (status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1196 * Even if muxer_msg_iter_do_next_one() returned
1197 * something else than
1198 * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated
1199 * message objects in the output message
1200 * array, so we need to return
1201 * BT_MESSAGE_ITERATOR_STATUS_OK so that they are
1202 * transfered to downstream. This other status occurs
1203 * again the next time muxer_msg_iter_do_next() is
1204 * called, possibly without any accumulated
1205 * message, in which case we'll return it.
1208 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1215 void destroy_muxer_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
)
1217 if (!muxer_msg_iter
) {
1221 BT_LOGD("Destroying muxer component's message iterator: "
1222 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1224 if (muxer_msg_iter
->muxer_upstream_msg_iters
) {
1225 BT_LOGD_STR("Destroying muxer's upstream message iterator wrappers.");
1227 muxer_msg_iter
->muxer_upstream_msg_iters
, TRUE
);
1230 g_list_free(muxer_msg_iter
->newly_connected_self_ports
);
1231 g_free(muxer_msg_iter
);
1235 int muxer_msg_iter_init_newly_connected_ports(struct muxer_comp
*muxer_comp
,
1236 struct muxer_msg_iter
*muxer_msg_iter
)
1243 * Add the connected input ports to this muxer message
1244 * iterator's list of newly connected ports. They will be
1245 * handled by muxer_msg_iter_handle_newly_connected_ports().
1247 count
= bt_component_filter_get_input_port_count(
1248 bt_self_component_filter_as_component_filter(
1249 muxer_comp
->self_comp
));
1251 BT_LOGD("No input port to initialize for muxer component's message iterator: "
1252 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
1253 muxer_comp
, muxer_msg_iter
);
1257 for (i
= 0; i
< count
; i
++) {
1258 bt_self_component_port_input
*self_port
=
1259 bt_self_component_filter_borrow_input_port_by_index(
1260 muxer_comp
->self_comp
, i
);
1261 const bt_port
*port
;
1263 BT_ASSERT(self_port
);
1264 port
= bt_self_component_port_as_port(
1265 bt_self_component_port_input_as_self_component_port(
1269 if (!bt_port_is_connected(port
)) {
1270 BT_LOGD("Skipping input port: not connected: "
1271 "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"",
1272 muxer_comp
, port
, bt_port_get_name(port
));
1276 muxer_msg_iter
->newly_connected_self_ports
=
1278 muxer_msg_iter
->newly_connected_self_ports
,
1280 if (!muxer_msg_iter
->newly_connected_self_ports
) {
1281 BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: "
1282 "port-addr=%p, port-name=\"%s\", "
1283 "muxer-msg-iter-addr=%p", port
,
1284 bt_port_get_name(port
), muxer_msg_iter
);
1289 BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: "
1290 "port-addr=%p, port-name=\"%s\", "
1291 "muxer-msg-iter-addr=%p", port
,
1292 bt_port_get_name(port
), muxer_msg_iter
);
1300 bt_self_message_iterator_status
muxer_msg_iter_init(
1301 bt_self_message_iterator
*self_msg_iter
,
1302 bt_self_component_filter
*self_comp
,
1303 bt_self_component_port_output
*port
)
1305 struct muxer_comp
*muxer_comp
= NULL
;
1306 struct muxer_msg_iter
*muxer_msg_iter
= NULL
;
1307 bt_self_message_iterator_status status
=
1308 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1311 muxer_comp
= bt_self_component_get_data(
1312 bt_self_component_filter_as_self_component(self_comp
));
1313 BT_ASSERT(muxer_comp
);
1314 BT_LOGD("Initializing muxer component's message iterator: "
1315 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1316 self_comp
, muxer_comp
, self_msg_iter
);
1318 if (muxer_comp
->initializing_muxer_msg_iter
) {
1320 * Weird, unhandled situation detected: downstream
1321 * creates a muxer message iterator while creating
1322 * another muxer message iterator (same component).
1324 BT_LOGE("Recursive initialization of muxer component's message iterator: "
1325 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1326 self_comp
, muxer_comp
, self_msg_iter
);
1330 muxer_comp
->initializing_muxer_msg_iter
= true;
1331 muxer_msg_iter
= g_new0(struct muxer_msg_iter
, 1);
1332 if (!muxer_msg_iter
) {
1333 BT_LOGE_STR("Failed to allocate one muxer component's message iterator.");
1337 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1338 muxer_msg_iter
->muxer_upstream_msg_iters
=
1339 g_ptr_array_new_with_free_func(
1340 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1341 if (!muxer_msg_iter
->muxer_upstream_msg_iters
) {
1342 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1347 * Add the muxer message iterator to the component's array
1348 * of muxer message iterators here because
1349 * muxer_msg_iter_init_newly_connected_ports() can cause
1350 * muxer_port_connected() to be called, which adds the newly
1351 * connected port to each muxer message iterator's list of
1352 * newly connected ports.
1354 g_ptr_array_add(muxer_comp
->muxer_msg_iters
, muxer_msg_iter
);
1355 ret
= muxer_msg_iter_init_newly_connected_ports(muxer_comp
,
1358 BT_LOGE("Cannot initialize newly connected input ports for muxer component's message iterator: "
1359 "comp-addr=%p, muxer-comp-addr=%p, "
1360 "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
1361 self_comp
, muxer_comp
, muxer_msg_iter
,
1362 self_msg_iter
, ret
);
1366 bt_self_message_iterator_set_data(self_msg_iter
,
1368 BT_LOGD("Initialized muxer component's message iterator: "
1369 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1371 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1375 if (g_ptr_array_index(muxer_comp
->muxer_msg_iters
,
1376 muxer_comp
->muxer_msg_iters
->len
- 1) == muxer_msg_iter
) {
1377 g_ptr_array_remove_index(muxer_comp
->muxer_msg_iters
,
1378 muxer_comp
->muxer_msg_iters
->len
- 1);
1381 destroy_muxer_msg_iter(muxer_msg_iter
);
1382 bt_self_message_iterator_set_data(self_msg_iter
,
1384 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1387 muxer_comp
->initializing_muxer_msg_iter
= false;
1392 void muxer_msg_iter_finalize(
1393 bt_self_message_iterator
*self_msg_iter
)
1395 struct muxer_msg_iter
*muxer_msg_iter
=
1396 bt_self_message_iterator_get_data(self_msg_iter
);
1397 bt_self_component
*self_comp
= NULL
;
1398 struct muxer_comp
*muxer_comp
= NULL
;
1400 self_comp
= bt_self_message_iterator_borrow_component(
1402 BT_ASSERT(self_comp
);
1403 muxer_comp
= bt_self_component_get_data(self_comp
);
1404 BT_LOGD("Finalizing muxer component's message iterator: "
1405 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1407 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1410 (void) g_ptr_array_remove_fast(muxer_comp
->muxer_msg_iters
,
1412 destroy_muxer_msg_iter(muxer_msg_iter
);
1417 bt_self_message_iterator_status
muxer_msg_iter_next(
1418 bt_self_message_iterator
*self_msg_iter
,
1419 bt_message_array_const msgs
, uint64_t capacity
,
1422 bt_self_message_iterator_status status
;
1423 struct muxer_msg_iter
*muxer_msg_iter
=
1424 bt_self_message_iterator_get_data(self_msg_iter
);
1425 bt_self_component
*self_comp
= NULL
;
1426 struct muxer_comp
*muxer_comp
= NULL
;
1428 BT_ASSERT(muxer_msg_iter
);
1429 self_comp
= bt_self_message_iterator_borrow_component(
1431 BT_ASSERT(self_comp
);
1432 muxer_comp
= bt_self_component_get_data(self_comp
);
1433 BT_ASSERT(muxer_comp
);
1434 BT_LOGV("Muxer component's message iterator's \"next\" method called: "
1435 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1437 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1439 status
= muxer_msg_iter_do_next(muxer_comp
, muxer_msg_iter
,
1440 msgs
, capacity
, count
);
1442 BT_LOGE("Cannot get next message: "
1443 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1444 "msg-iter-addr=%p, status=%s",
1445 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
,
1446 bt_self_message_iterator_status_string(status
));
1448 BT_LOGV("Returning from muxer component's message iterator's \"next\" method: "
1450 bt_self_message_iterator_status_string(status
));
1457 bt_self_component_status
muxer_input_port_connected(
1458 bt_self_component_filter
*self_comp
,
1459 bt_self_component_port_input
*self_port
,
1460 const bt_port_output
*other_port
)
1462 bt_self_component_status status
= BT_SELF_COMPONENT_STATUS_OK
;
1463 const bt_port
*port
= bt_self_component_port_as_port(
1464 bt_self_component_port_input_as_self_component_port(
1466 struct muxer_comp
*muxer_comp
=
1467 bt_self_component_get_data(
1468 bt_self_component_filter_as_self_component(
1474 BT_ASSERT(muxer_comp
);
1475 BT_LOGD("Port connected: "
1476 "comp-addr=%p, muxer-comp-addr=%p, "
1477 "port-addr=%p, port-name=\"%s\", "
1478 "other-port-addr=%p, other-port-name=\"%s\"",
1479 self_comp
, muxer_comp
, self_port
, bt_port_get_name(port
),
1481 bt_port_get_name(bt_port_output_as_port_const(other_port
)));
1483 for (i
= 0; i
< muxer_comp
->muxer_msg_iters
->len
; i
++) {
1484 struct muxer_msg_iter
*muxer_msg_iter
=
1485 g_ptr_array_index(muxer_comp
->muxer_msg_iters
, i
);
1488 * Add this port to the list of newly connected ports
1489 * for this muxer message iterator. We append at
1490 * the end of this list while
1491 * muxer_msg_iter_handle_newly_connected_ports()
1492 * removes the nodes from the beginning.
1494 muxer_msg_iter
->newly_connected_self_ports
=
1496 muxer_msg_iter
->newly_connected_self_ports
,
1498 if (!muxer_msg_iter
->newly_connected_self_ports
) {
1499 BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: "
1500 "port-addr=%p, port-name=\"%s\", "
1501 "muxer-msg-iter-addr=%p", self_port
,
1502 bt_port_get_name(port
), muxer_msg_iter
);
1503 status
= BT_SELF_COMPONENT_STATUS_ERROR
;
1507 BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: "
1508 "port-addr=%p, port-name=\"%s\", "
1509 "muxer-msg-iter-addr=%p", self_port
,
1510 bt_port_get_name(port
), muxer_msg_iter
);
1513 /* One less available input port */
1514 muxer_comp
->available_input_ports
--;
1515 ret
= ensure_available_input_port(self_comp
);
1518 * Only way to report an error later since this
1519 * method does not return anything.
1521 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
1522 "muxer-comp-addr=%p, status=%s",
1523 muxer_comp
, bt_self_component_status_string(ret
));
1524 status
= BT_SELF_COMPONENT_STATUS_ERROR
;
1533 bt_bool
muxer_msg_iter_can_seek_beginning(
1534 bt_self_message_iterator
*self_msg_iter
)
1536 struct muxer_msg_iter
*muxer_msg_iter
=
1537 bt_self_message_iterator_get_data(self_msg_iter
);
1539 bt_bool ret
= BT_TRUE
;
1541 for (i
= 0; i
< muxer_msg_iter
->muxer_upstream_msg_iters
->len
; i
++) {
1542 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1543 muxer_msg_iter
->muxer_upstream_msg_iters
->pdata
[i
];
1545 if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
1546 upstream_msg_iter
->msg_iter
)) {
1557 bt_self_message_iterator_status
muxer_msg_iter_seek_beginning(
1558 bt_self_message_iterator
*self_msg_iter
)
1560 struct muxer_msg_iter
*muxer_msg_iter
=
1561 bt_self_message_iterator_get_data(self_msg_iter
);
1565 for (i
= 0; i
< muxer_msg_iter
->muxer_upstream_msg_iters
->len
; i
++) {
1566 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1567 muxer_msg_iter
->muxer_upstream_msg_iters
->pdata
[i
];
1569 status
= bt_self_component_port_input_message_iterator_seek_beginning(
1570 upstream_msg_iter
->msg_iter
);
1571 if (status
!= BT_MESSAGE_ITERATOR_STATUS_OK
) {
1576 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;