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
:
629 cs_state
= bt_message_event_borrow_default_clock_snapshot_const(
630 msg
, &clock_snapshot
);
632 case BT_MESSAGE_TYPE_PACKET_BEGINNING
:
633 cs_state
= bt_message_packet_beginning_borrow_default_clock_snapshot_const(
634 msg
, &clock_snapshot
);
636 case BT_MESSAGE_TYPE_PACKET_END
:
637 cs_state
= bt_message_packet_end_borrow_default_clock_snapshot_const(
638 msg
, &clock_snapshot
);
640 case BT_MESSAGE_TYPE_DISCARDED_EVENTS
:
641 cs_state
= bt_message_discarded_events_borrow_default_beginning_clock_snapshot_const(
642 msg
, &clock_snapshot
);
644 case BT_MESSAGE_TYPE_DISCARDED_PACKETS
:
645 cs_state
= bt_message_discarded_packets_borrow_default_beginning_clock_snapshot_const(
646 msg
, &clock_snapshot
);
648 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING
:
649 sa_cs_state
= bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const(
650 msg
, &clock_snapshot
);
651 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
652 /* No timestamp: high priority */
653 *ts_ns
= last_returned_ts_ns
;
658 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END
:
659 sa_cs_state
= bt_message_stream_activity_end_borrow_default_clock_snapshot_const(
660 msg
, &clock_snapshot
);
661 if (sa_cs_state
!= BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN
) {
662 /* No timestamp: high priority */
663 *ts_ns
= last_returned_ts_ns
;
668 case BT_MESSAGE_TYPE_INACTIVITY
:
670 bt_message_inactivity_borrow_default_clock_snapshot_const(
671 msg
, &clock_snapshot
);
674 /* All the other messages have a higher priority */
675 BT_LOGV_STR("Message has no timestamp: using the last returned timestamp.");
676 *ts_ns
= last_returned_ts_ns
;
680 if (cs_state
!= BT_CLOCK_SNAPSHOT_STATE_KNOWN
) {
681 BT_LOGE_STR("Unsupported unknown clock snapshot.");
687 * If the clock snapshot is missing, then we consider that this
688 * message has no time. In this case it's always the
691 if (!clock_snapshot
) {
692 BT_LOGV_STR("Message's default clock snapshot is missing: "
693 "using the last returned timestamp.");
694 *ts_ns
= last_returned_ts_ns
;
698 clock_class
= bt_clock_snapshot_borrow_clock_class_const(clock_snapshot
);
699 BT_ASSERT(clock_class
);
700 cc_uuid
= bt_clock_class_get_uuid(clock_class
);
701 cc_name
= bt_clock_class_get_name(clock_class
);
703 if (muxer_msg_iter
->clock_class_expectation
==
704 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY
) {
706 * This is the first clock class that this muxer
707 * message iterator encounters. Its properties
708 * determine what to expect for the whole lifetime of
709 * the iterator without a true
710 * `assume-absolute-clock-classes` parameter.
712 if (bt_clock_class_is_absolute(clock_class
)) {
713 /* Expect absolute clock classes */
714 muxer_msg_iter
->clock_class_expectation
=
715 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE
;
719 * Expect non-absolute clock classes
720 * with a specific UUID.
722 muxer_msg_iter
->clock_class_expectation
=
723 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
;
724 memcpy(muxer_msg_iter
->expected_clock_class_uuid
,
725 cc_uuid
, BABELTRACE_UUID_LEN
);
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_is_absolute(clock_class
)) {
741 BT_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_is_absolute(clock_class
)) {
750 BT_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_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=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
762 clock_class
, cc_name
,
763 (unsigned int) cc_uuid
[0],
764 (unsigned int) cc_uuid
[1],
765 (unsigned int) cc_uuid
[2],
766 (unsigned int) cc_uuid
[3],
767 (unsigned int) cc_uuid
[4],
768 (unsigned int) cc_uuid
[5],
769 (unsigned int) cc_uuid
[6],
770 (unsigned int) cc_uuid
[7],
771 (unsigned int) cc_uuid
[8],
772 (unsigned int) cc_uuid
[9],
773 (unsigned int) cc_uuid
[10],
774 (unsigned int) cc_uuid
[11],
775 (unsigned int) cc_uuid
[12],
776 (unsigned int) cc_uuid
[13],
777 (unsigned int) cc_uuid
[14],
778 (unsigned int) cc_uuid
[15]);
782 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID
:
783 if (bt_clock_class_is_absolute(clock_class
)) {
784 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
785 "but got an absolute one: "
786 "clock-class-addr=%p, clock-class-name=\"%s\"",
787 clock_class
, cc_name
);
792 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
793 "but got one with no UUID: "
794 "clock-class-addr=%p, clock-class-name=\"%s\"",
795 clock_class
, cc_name
);
799 if (memcmp(muxer_msg_iter
->expected_clock_class_uuid
,
800 cc_uuid
, BABELTRACE_UUID_LEN
) != 0) {
801 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
802 "but got one with different UUID: "
803 "clock-class-addr=%p, clock-class-name=\"%s\", "
804 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
805 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
806 clock_class
, cc_name
,
807 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[0],
808 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[1],
809 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[2],
810 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[3],
811 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[4],
812 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[5],
813 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[6],
814 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[7],
815 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[8],
816 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[9],
817 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[10],
818 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[11],
819 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[12],
820 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[13],
821 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[14],
822 (unsigned int) muxer_msg_iter
->expected_clock_class_uuid
[15],
823 (unsigned int) cc_uuid
[0],
824 (unsigned int) cc_uuid
[1],
825 (unsigned int) cc_uuid
[2],
826 (unsigned int) cc_uuid
[3],
827 (unsigned int) cc_uuid
[4],
828 (unsigned int) cc_uuid
[5],
829 (unsigned int) cc_uuid
[6],
830 (unsigned int) cc_uuid
[7],
831 (unsigned int) cc_uuid
[8],
832 (unsigned int) cc_uuid
[9],
833 (unsigned int) cc_uuid
[10],
834 (unsigned int) cc_uuid
[11],
835 (unsigned int) cc_uuid
[12],
836 (unsigned int) cc_uuid
[13],
837 (unsigned int) cc_uuid
[14],
838 (unsigned int) cc_uuid
[15]);
844 BT_LOGF("Unexpected clock class expectation: "
845 "expectation-code=%d",
846 muxer_msg_iter
->clock_class_expectation
);
851 ret
= bt_clock_snapshot_get_ns_from_origin(clock_snapshot
, ts_ns
);
853 BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
854 "clock-snapshot-addr=%p", clock_snapshot
);
865 BT_LOGV("Found message's timestamp: "
866 "muxer-msg-iter-addr=%p, msg-addr=%p, "
867 "last-returned-ts=%" PRId64
", ts=%" PRId64
,
868 muxer_msg_iter
, msg
, last_returned_ts_ns
,
876 * This function finds the youngest available message amongst the
877 * non-ended upstream message iterators and returns the upstream
878 * message iterator which has it, or
879 * BT_MESSAGE_ITERATOR_STATUS_END if there's no available
882 * This function does NOT:
884 * * Update any upstream message iterator.
885 * * Check for newly connected ports.
886 * * Check the upstream message iterators to retry.
888 * On sucess, this function sets *muxer_upstream_msg_iter to the
889 * upstream message iterator of which the current message is
890 * the youngest, and sets *ts_ns to its time.
893 bt_self_message_iterator_status
894 muxer_msg_iter_youngest_upstream_msg_iter(
895 struct muxer_comp
*muxer_comp
,
896 struct muxer_msg_iter
*muxer_msg_iter
,
897 struct muxer_upstream_msg_iter
**muxer_upstream_msg_iter
,
902 int64_t youngest_ts_ns
= INT64_MAX
;
903 bt_self_message_iterator_status status
=
904 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
906 BT_ASSERT(muxer_comp
);
907 BT_ASSERT(muxer_msg_iter
);
908 BT_ASSERT(muxer_upstream_msg_iter
);
909 *muxer_upstream_msg_iter
= NULL
;
911 for (i
= 0; i
< muxer_msg_iter
->muxer_upstream_msg_iters
->len
; i
++) {
912 const bt_message
*msg
;
913 struct muxer_upstream_msg_iter
*cur_muxer_upstream_msg_iter
=
914 g_ptr_array_index(muxer_msg_iter
->muxer_upstream_msg_iters
, i
);
917 if (!cur_muxer_upstream_msg_iter
->msg_iter
) {
918 /* This upstream message iterator is ended */
919 BT_LOGV("Skipping ended upstream message iterator: "
920 "muxer-upstream-msg-iter-wrap-addr=%p",
921 cur_muxer_upstream_msg_iter
);
925 BT_ASSERT(cur_muxer_upstream_msg_iter
->msgs
->length
> 0);
926 msg
= g_queue_peek_head(cur_muxer_upstream_msg_iter
->msgs
);
928 ret
= get_msg_ts_ns(muxer_comp
, muxer_msg_iter
, msg
,
929 muxer_msg_iter
->last_returned_ts_ns
, &msg_ts_ns
);
931 /* get_msg_ts_ns() logs errors */
932 *muxer_upstream_msg_iter
= NULL
;
933 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
937 if (msg_ts_ns
<= youngest_ts_ns
) {
938 *muxer_upstream_msg_iter
=
939 cur_muxer_upstream_msg_iter
;
940 youngest_ts_ns
= msg_ts_ns
;
941 *ts_ns
= youngest_ts_ns
;
945 if (!*muxer_upstream_msg_iter
) {
946 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_END
;
955 bt_self_message_iterator_status
validate_muxer_upstream_msg_iter(
956 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
)
958 bt_self_message_iterator_status status
=
959 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
961 BT_LOGV("Validating muxer's upstream message iterator wrapper: "
962 "muxer-upstream-msg-iter-wrap-addr=%p",
963 muxer_upstream_msg_iter
);
965 if (muxer_upstream_msg_iter
->msgs
->length
> 0 ||
966 !muxer_upstream_msg_iter
->msg_iter
) {
967 BT_LOGV("Already valid or not considered: "
968 "queue-len=%u, upstream-msg-iter-addr=%p",
969 muxer_upstream_msg_iter
->msgs
->length
,
970 muxer_upstream_msg_iter
->msg_iter
);
974 /* muxer_upstream_msg_iter_next() logs details/errors */
975 status
= muxer_upstream_msg_iter_next(muxer_upstream_msg_iter
);
982 bt_self_message_iterator_status
validate_muxer_upstream_msg_iters(
983 struct muxer_msg_iter
*muxer_msg_iter
)
985 bt_self_message_iterator_status status
=
986 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
989 BT_LOGV("Validating muxer's upstream message iterator wrappers: "
990 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
992 for (i
= 0; i
< muxer_msg_iter
->muxer_upstream_msg_iters
->len
; i
++) {
993 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
=
995 muxer_msg_iter
->muxer_upstream_msg_iters
,
998 status
= validate_muxer_upstream_msg_iter(
999 muxer_upstream_msg_iter
);
1000 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1002 BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
1003 "muxer-msg-iter-addr=%p, "
1004 "muxer-upstream-msg-iter-wrap-addr=%p",
1006 muxer_upstream_msg_iter
);
1008 BT_LOGV("Cannot validate muxer's upstream message iterator wrapper: "
1009 "muxer-msg-iter-addr=%p, "
1010 "muxer-upstream-msg-iter-wrap-addr=%p",
1012 muxer_upstream_msg_iter
);
1019 * Remove this muxer upstream message iterator
1020 * if it's ended or canceled.
1022 if (!muxer_upstream_msg_iter
->msg_iter
) {
1024 * Use g_ptr_array_remove_fast() because the
1025 * order of those elements is not important.
1027 BT_LOGV("Removing muxer's upstream message iterator wrapper: ended or canceled: "
1028 "muxer-msg-iter-addr=%p, "
1029 "muxer-upstream-msg-iter-wrap-addr=%p",
1030 muxer_msg_iter
, muxer_upstream_msg_iter
);
1031 g_ptr_array_remove_index_fast(
1032 muxer_msg_iter
->muxer_upstream_msg_iters
,
1043 bt_self_message_iterator_status
muxer_msg_iter_do_next_one(
1044 struct muxer_comp
*muxer_comp
,
1045 struct muxer_msg_iter
*muxer_msg_iter
,
1046 const bt_message
**msg
)
1048 bt_self_message_iterator_status status
=
1049 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1050 struct muxer_upstream_msg_iter
*muxer_upstream_msg_iter
= NULL
;
1051 int64_t next_return_ts
;
1054 int ret
= muxer_msg_iter_handle_newly_connected_ports(
1058 BT_LOGE("Cannot handle newly connected input ports for muxer's message iterator: "
1059 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1061 muxer_comp
, muxer_msg_iter
, ret
);
1062 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1066 status
= validate_muxer_upstream_msg_iters(muxer_msg_iter
);
1067 if (status
!= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1068 /* validate_muxer_upstream_msg_iters() logs details */
1073 * At this point, we know that all the existing upstream
1074 * message iterators are valid. However the
1075 * operations to validate them (during
1076 * validate_muxer_upstream_msg_iters()) may have
1077 * connected new ports. If no ports were connected
1078 * during this operation, exit the loop.
1080 if (!muxer_msg_iter
->newly_connected_self_ports
) {
1081 BT_LOGV("Not breaking this loop: muxer's message iterator still has newly connected input ports to handle: "
1082 "muxer-comp-addr=%p", muxer_comp
);
1087 BT_ASSERT(!muxer_msg_iter
->newly_connected_self_ports
);
1090 * At this point we know that all the existing upstream
1091 * message iterators are valid. We can find the one,
1092 * amongst those, of which the current message is the
1095 status
= muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp
,
1096 muxer_msg_iter
, &muxer_upstream_msg_iter
,
1098 if (status
< 0 || status
== BT_SELF_MESSAGE_ITERATOR_STATUS_END
) {
1100 BT_LOGE("Cannot find the youngest upstream message iterator wrapper: "
1102 bt_self_message_iterator_status_string(status
));
1104 BT_LOGV("Cannot find the youngest upstream message iterator wrapper: "
1106 bt_self_message_iterator_status_string(status
));
1112 if (next_return_ts
< muxer_msg_iter
->last_returned_ts_ns
) {
1113 BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
1114 "muxer-msg-iter-addr=%p, ts=%" PRId64
", "
1115 "last-returned-ts=%" PRId64
,
1116 muxer_msg_iter
, next_return_ts
,
1117 muxer_msg_iter
->last_returned_ts_ns
);
1118 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1122 BT_LOGV("Found youngest upstream message iterator wrapper: "
1123 "muxer-msg-iter-addr=%p, "
1124 "muxer-upstream-msg-iter-wrap-addr=%p, "
1126 muxer_msg_iter
, muxer_upstream_msg_iter
, next_return_ts
);
1127 BT_ASSERT(status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
);
1128 BT_ASSERT(muxer_upstream_msg_iter
);
1131 * Consume from the queue's head: other side
1132 * (muxer_upstream_msg_iter_next()) writes to the tail.
1134 *msg
= g_queue_pop_head(muxer_upstream_msg_iter
->msgs
);
1136 muxer_msg_iter
->last_returned_ts_ns
= next_return_ts
;
1143 bt_self_message_iterator_status
muxer_msg_iter_do_next(
1144 struct muxer_comp
*muxer_comp
,
1145 struct muxer_msg_iter
*muxer_msg_iter
,
1146 bt_message_array_const msgs
, uint64_t capacity
,
1149 bt_self_message_iterator_status status
=
1150 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1153 while (i
< capacity
&& status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1154 status
= muxer_msg_iter_do_next_one(muxer_comp
,
1155 muxer_msg_iter
, &msgs
[i
]);
1156 if (status
== BT_SELF_MESSAGE_ITERATOR_STATUS_OK
) {
1163 * Even if muxer_msg_iter_do_next_one() returned
1164 * something else than
1165 * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated
1166 * message objects in the output message
1167 * array, so we need to return
1168 * BT_MESSAGE_ITERATOR_STATUS_OK so that they are
1169 * transfered to downstream. This other status occurs
1170 * again the next time muxer_msg_iter_do_next() is
1171 * called, possibly without any accumulated
1172 * message, in which case we'll return it.
1175 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1182 void destroy_muxer_msg_iter(struct muxer_msg_iter
*muxer_msg_iter
)
1184 if (!muxer_msg_iter
) {
1188 BT_LOGD("Destroying muxer component's message iterator: "
1189 "muxer-msg-iter-addr=%p", muxer_msg_iter
);
1191 if (muxer_msg_iter
->muxer_upstream_msg_iters
) {
1192 BT_LOGD_STR("Destroying muxer's upstream message iterator wrappers.");
1194 muxer_msg_iter
->muxer_upstream_msg_iters
, TRUE
);
1197 g_list_free(muxer_msg_iter
->newly_connected_self_ports
);
1198 g_free(muxer_msg_iter
);
1202 int muxer_msg_iter_init_newly_connected_ports(struct muxer_comp
*muxer_comp
,
1203 struct muxer_msg_iter
*muxer_msg_iter
)
1210 * Add the connected input ports to this muxer message
1211 * iterator's list of newly connected ports. They will be
1212 * handled by muxer_msg_iter_handle_newly_connected_ports().
1214 count
= bt_component_filter_get_input_port_count(
1215 bt_self_component_filter_as_component_filter(
1216 muxer_comp
->self_comp
));
1218 BT_LOGD("No input port to initialize for muxer component's message iterator: "
1219 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
1220 muxer_comp
, muxer_msg_iter
);
1224 for (i
= 0; i
< count
; i
++) {
1225 bt_self_component_port_input
*self_port
=
1226 bt_self_component_filter_borrow_input_port_by_index(
1227 muxer_comp
->self_comp
, i
);
1228 const bt_port
*port
;
1230 BT_ASSERT(self_port
);
1231 port
= bt_self_component_port_as_port(
1232 bt_self_component_port_input_as_self_component_port(
1236 if (!bt_port_is_connected(port
)) {
1237 BT_LOGD("Skipping input port: not connected: "
1238 "muxer-comp-addr=%p, port-addr=%p, port-name\"%s\"",
1239 muxer_comp
, port
, bt_port_get_name(port
));
1243 muxer_msg_iter
->newly_connected_self_ports
=
1245 muxer_msg_iter
->newly_connected_self_ports
,
1247 if (!muxer_msg_iter
->newly_connected_self_ports
) {
1248 BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: "
1249 "port-addr=%p, port-name=\"%s\", "
1250 "muxer-msg-iter-addr=%p", port
,
1251 bt_port_get_name(port
), muxer_msg_iter
);
1256 BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: "
1257 "port-addr=%p, port-name=\"%s\", "
1258 "muxer-msg-iter-addr=%p", port
,
1259 bt_port_get_name(port
), muxer_msg_iter
);
1267 bt_self_message_iterator_status
muxer_msg_iter_init(
1268 bt_self_message_iterator
*self_msg_iter
,
1269 bt_self_component_filter
*self_comp
,
1270 bt_self_component_port_output
*port
)
1272 struct muxer_comp
*muxer_comp
= NULL
;
1273 struct muxer_msg_iter
*muxer_msg_iter
= NULL
;
1274 bt_self_message_iterator_status status
=
1275 BT_SELF_MESSAGE_ITERATOR_STATUS_OK
;
1278 muxer_comp
= bt_self_component_get_data(
1279 bt_self_component_filter_as_self_component(self_comp
));
1280 BT_ASSERT(muxer_comp
);
1281 BT_LOGD("Initializing muxer component's message iterator: "
1282 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1283 self_comp
, muxer_comp
, self_msg_iter
);
1285 if (muxer_comp
->initializing_muxer_msg_iter
) {
1287 * Weird, unhandled situation detected: downstream
1288 * creates a muxer message iterator while creating
1289 * another muxer message iterator (same component).
1291 BT_LOGE("Recursive initialization of muxer component's message iterator: "
1292 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1293 self_comp
, muxer_comp
, self_msg_iter
);
1297 muxer_comp
->initializing_muxer_msg_iter
= true;
1298 muxer_msg_iter
= g_new0(struct muxer_msg_iter
, 1);
1299 if (!muxer_msg_iter
) {
1300 BT_LOGE_STR("Failed to allocate one muxer component's message iterator.");
1304 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;
1305 muxer_msg_iter
->muxer_upstream_msg_iters
=
1306 g_ptr_array_new_with_free_func(
1307 (GDestroyNotify
) destroy_muxer_upstream_msg_iter
);
1308 if (!muxer_msg_iter
->muxer_upstream_msg_iters
) {
1309 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1314 * Add the muxer message iterator to the component's array
1315 * of muxer message iterators here because
1316 * muxer_msg_iter_init_newly_connected_ports() can cause
1317 * muxer_port_connected() to be called, which adds the newly
1318 * connected port to each muxer message iterator's list of
1319 * newly connected ports.
1321 g_ptr_array_add(muxer_comp
->muxer_msg_iters
, muxer_msg_iter
);
1322 ret
= muxer_msg_iter_init_newly_connected_ports(muxer_comp
,
1325 BT_LOGE("Cannot initialize newly connected input ports for muxer component's message iterator: "
1326 "comp-addr=%p, muxer-comp-addr=%p, "
1327 "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
1328 self_comp
, muxer_comp
, muxer_msg_iter
,
1329 self_msg_iter
, ret
);
1333 bt_self_message_iterator_set_data(self_msg_iter
,
1335 BT_LOGD("Initialized muxer component's message iterator: "
1336 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1338 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1342 if (g_ptr_array_index(muxer_comp
->muxer_msg_iters
,
1343 muxer_comp
->muxer_msg_iters
->len
- 1) == muxer_msg_iter
) {
1344 g_ptr_array_remove_index(muxer_comp
->muxer_msg_iters
,
1345 muxer_comp
->muxer_msg_iters
->len
- 1);
1348 destroy_muxer_msg_iter(muxer_msg_iter
);
1349 bt_self_message_iterator_set_data(self_msg_iter
,
1351 status
= BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR
;
1354 muxer_comp
->initializing_muxer_msg_iter
= false;
1359 void muxer_msg_iter_finalize(
1360 bt_self_message_iterator
*self_msg_iter
)
1362 struct muxer_msg_iter
*muxer_msg_iter
=
1363 bt_self_message_iterator_get_data(self_msg_iter
);
1364 bt_self_component
*self_comp
= NULL
;
1365 struct muxer_comp
*muxer_comp
= NULL
;
1367 self_comp
= bt_self_message_iterator_borrow_component(
1369 BT_ASSERT(self_comp
);
1370 muxer_comp
= bt_self_component_get_data(self_comp
);
1371 BT_LOGD("Finalizing muxer component's message iterator: "
1372 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1374 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1377 (void) g_ptr_array_remove_fast(muxer_comp
->muxer_msg_iters
,
1379 destroy_muxer_msg_iter(muxer_msg_iter
);
1384 bt_self_message_iterator_status
muxer_msg_iter_next(
1385 bt_self_message_iterator
*self_msg_iter
,
1386 bt_message_array_const msgs
, uint64_t capacity
,
1389 bt_self_message_iterator_status status
;
1390 struct muxer_msg_iter
*muxer_msg_iter
=
1391 bt_self_message_iterator_get_data(self_msg_iter
);
1392 bt_self_component
*self_comp
= NULL
;
1393 struct muxer_comp
*muxer_comp
= NULL
;
1395 BT_ASSERT(muxer_msg_iter
);
1396 self_comp
= bt_self_message_iterator_borrow_component(
1398 BT_ASSERT(self_comp
);
1399 muxer_comp
= bt_self_component_get_data(self_comp
);
1400 BT_ASSERT(muxer_comp
);
1401 BT_LOGV("Muxer component's message iterator's \"next\" method called: "
1402 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1404 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
);
1406 status
= muxer_msg_iter_do_next(muxer_comp
, muxer_msg_iter
,
1407 msgs
, capacity
, count
);
1409 BT_LOGE("Cannot get next message: "
1410 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1411 "msg-iter-addr=%p, status=%s",
1412 self_comp
, muxer_comp
, muxer_msg_iter
, self_msg_iter
,
1413 bt_self_message_iterator_status_string(status
));
1415 BT_LOGV("Returning from muxer component's message iterator's \"next\" method: "
1417 bt_self_message_iterator_status_string(status
));
1424 bt_self_component_status
muxer_input_port_connected(
1425 bt_self_component_filter
*self_comp
,
1426 bt_self_component_port_input
*self_port
,
1427 const bt_port_output
*other_port
)
1429 bt_self_component_status status
= BT_SELF_COMPONENT_STATUS_OK
;
1430 const bt_port
*port
= bt_self_component_port_as_port(
1431 bt_self_component_port_input_as_self_component_port(
1433 struct muxer_comp
*muxer_comp
=
1434 bt_self_component_get_data(
1435 bt_self_component_filter_as_self_component(
1441 BT_ASSERT(muxer_comp
);
1442 BT_LOGD("Port connected: "
1443 "comp-addr=%p, muxer-comp-addr=%p, "
1444 "port-addr=%p, port-name=\"%s\", "
1445 "other-port-addr=%p, other-port-name=\"%s\"",
1446 self_comp
, muxer_comp
, self_port
, bt_port_get_name(port
),
1448 bt_port_get_name(bt_port_output_as_port_const(other_port
)));
1450 for (i
= 0; i
< muxer_comp
->muxer_msg_iters
->len
; i
++) {
1451 struct muxer_msg_iter
*muxer_msg_iter
=
1452 g_ptr_array_index(muxer_comp
->muxer_msg_iters
, i
);
1455 * Add this port to the list of newly connected ports
1456 * for this muxer message iterator. We append at
1457 * the end of this list while
1458 * muxer_msg_iter_handle_newly_connected_ports()
1459 * removes the nodes from the beginning.
1461 muxer_msg_iter
->newly_connected_self_ports
=
1463 muxer_msg_iter
->newly_connected_self_ports
,
1465 if (!muxer_msg_iter
->newly_connected_self_ports
) {
1466 BT_LOGE("Cannot append port to muxer's message iterator list of newly connected input ports: "
1467 "port-addr=%p, port-name=\"%s\", "
1468 "muxer-msg-iter-addr=%p", self_port
,
1469 bt_port_get_name(port
), muxer_msg_iter
);
1470 status
= BT_SELF_COMPONENT_STATUS_ERROR
;
1474 BT_LOGD("Appended port to muxer's message iterator list of newly connected input ports: "
1475 "port-addr=%p, port-name=\"%s\", "
1476 "muxer-msg-iter-addr=%p", self_port
,
1477 bt_port_get_name(port
), muxer_msg_iter
);
1480 /* One less available input port */
1481 muxer_comp
->available_input_ports
--;
1482 ret
= ensure_available_input_port(self_comp
);
1485 * Only way to report an error later since this
1486 * method does not return anything.
1488 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
1489 "muxer-comp-addr=%p, status=%s",
1490 muxer_comp
, bt_self_component_status_string(ret
));
1491 status
= BT_SELF_COMPONENT_STATUS_ERROR
;
1500 bt_bool
muxer_msg_iter_can_seek_beginning(
1501 bt_self_message_iterator
*self_msg_iter
)
1503 struct muxer_msg_iter
*muxer_msg_iter
=
1504 bt_self_message_iterator_get_data(self_msg_iter
);
1506 bt_bool ret
= BT_TRUE
;
1508 for (i
= 0; i
< muxer_msg_iter
->muxer_upstream_msg_iters
->len
; i
++) {
1509 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1510 muxer_msg_iter
->muxer_upstream_msg_iters
->pdata
[i
];
1512 if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
1513 upstream_msg_iter
->msg_iter
)) {
1524 bt_self_message_iterator_status
muxer_msg_iter_seek_beginning(
1525 bt_self_message_iterator
*self_msg_iter
)
1527 struct muxer_msg_iter
*muxer_msg_iter
=
1528 bt_self_message_iterator_get_data(self_msg_iter
);
1532 for (i
= 0; i
< muxer_msg_iter
->muxer_upstream_msg_iters
->len
; i
++) {
1533 struct muxer_upstream_msg_iter
*upstream_msg_iter
=
1534 muxer_msg_iter
->muxer_upstream_msg_iters
->pdata
[i
];
1536 status
= bt_self_component_port_input_message_iterator_seek_beginning(
1537 upstream_msg_iter
->msg_iter
);
1538 if (status
!= BT_MESSAGE_ITERATOR_STATUS_OK
) {
1543 muxer_msg_iter
->last_returned_ts_ns
= INT64_MIN
;