tap-driver.sh: flush stdout after each test result
[babeltrace.git] / plugins / utils / muxer / muxer.c
CommitLineData
958f7d11
PP
1/*
2 * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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
20 * SOFTWARE.
21 */
22
fed72692
PP
23#define BT_LOG_TAG "PLUGIN-UTILS-MUXER-FLT"
24#include "logging.h"
25
3fadfbc0
MJ
26#include <babeltrace2/babeltrace-internal.h>
27#include <babeltrace2/compat/uuid-internal.h>
28#include <babeltrace2/babeltrace.h>
29#include <babeltrace2/value-internal.h>
30#include <babeltrace2/graph/component-internal.h>
31#include <babeltrace2/graph/message-iterator-internal.h>
32#include <babeltrace2/graph/connection-internal.h>
958f7d11
PP
33#include <plugins-common.h>
34#include <glib.h>
c55a9f58 35#include <stdbool.h>
fed72692 36#include <inttypes.h>
3fadfbc0
MJ
37#include <babeltrace2/assert-internal.h>
38#include <babeltrace2/common-internal.h>
0fbb9a9f 39#include <stdlib.h>
282c8cd0 40#include <string.h>
958f7d11 41
fdf0b89e
FD
42#include "muxer.h"
43
c3acd5f3 44#define ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME "assume-absolute-clock-classes"
65ee897d 45
958f7d11 46struct muxer_comp {
958f7d11 47 /* Weak ref */
b19ff26f 48 bt_self_component_filter *self_comp;
d94d92ac 49
958f7d11
PP
50 unsigned int next_port_num;
51 size_t available_input_ports;
d6e69534 52 bool initializing_muxer_msg_iter;
282c8cd0 53 bool assume_absolute_clock_classes;
958f7d11
PP
54};
55
d6e69534 56struct muxer_upstream_msg_iter {
ab11110e 57 /* Owned by this, NULL if ended */
d6e69534 58 bt_self_component_port_input_message_iterator *msg_iter;
958f7d11 59
d6e69534
PP
60 /* Contains `const bt_message *`, owned by this */
61 GQueue *msgs;
958f7d11
PP
62};
63
d6e69534
PP
64enum muxer_msg_iter_clock_class_expectation {
65 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY = 0,
60f3d027 66 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE,
d6e69534
PP
67 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE,
68 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID,
69 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID,
282c8cd0
PP
70};
71
d6e69534 72struct muxer_msg_iter {
ab11110e 73 /*
d6e69534 74 * Array of struct muxer_upstream_msg_iter * (owned by this).
ab11110e
PP
75 *
76 * NOTE: This array is searched in linearly to find the youngest
d6e69534 77 * current message. Keep this until benchmarks confirm that
ab11110e
PP
78 * another data structure is faster than this for our typical
79 * use cases.
80 */
54bdc1f7
PP
81 GPtrArray *active_muxer_upstream_msg_iters;
82
83 /*
84 * Array of struct muxer_upstream_msg_iter * (owned by this).
85 *
86 * We move ended message iterators from
87 * `active_muxer_upstream_msg_iters` to this array so as to be
88 * able to restore them when seeking.
89 */
90 GPtrArray *ended_muxer_upstream_msg_iters;
958f7d11 91
d6e69534 92 /* Last time returned in a message */
958f7d11 93 int64_t last_returned_ts_ns;
282c8cd0
PP
94
95 /* Clock class expectation state */
d6e69534 96 enum muxer_msg_iter_clock_class_expectation clock_class_expectation;
282c8cd0
PP
97
98 /*
99 * Expected clock class UUID, only valid when
100 * clock_class_expectation is
d6e69534 101 * MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID.
282c8cd0
PP
102 */
103 unsigned char expected_clock_class_uuid[BABELTRACE_UUID_LEN];
958f7d11
PP
104};
105
54bdc1f7
PP
106static
107void empty_message_queue(struct muxer_upstream_msg_iter *upstream_msg_iter)
108{
109 const bt_message *msg;
110
111 while ((msg = g_queue_pop_head(upstream_msg_iter->msgs))) {
112 bt_message_put_ref(msg);
113 }
114}
115
ab11110e 116static
d6e69534
PP
117void destroy_muxer_upstream_msg_iter(
118 struct muxer_upstream_msg_iter *muxer_upstream_msg_iter)
ab11110e 119{
d6e69534 120 if (!muxer_upstream_msg_iter) {
ab11110e
PP
121 return;
122 }
123
d6e69534
PP
124 BT_LOGD("Destroying muxer's upstream message iterator wrapper: "
125 "addr=%p, msg-iter-addr=%p, queue-len=%u",
126 muxer_upstream_msg_iter,
127 muxer_upstream_msg_iter->msg_iter,
128 muxer_upstream_msg_iter->msgs->length);
54bdc1f7
PP
129 bt_self_component_port_input_message_iterator_put_ref(
130 muxer_upstream_msg_iter->msg_iter);
d4393e08 131
d6e69534 132 if (muxer_upstream_msg_iter->msgs) {
54bdc1f7 133 empty_message_queue(muxer_upstream_msg_iter);
d6e69534 134 g_queue_free(muxer_upstream_msg_iter->msgs);
d4393e08
PP
135 }
136
d6e69534 137 g_free(muxer_upstream_msg_iter);
ab11110e
PP
138}
139
958f7d11 140static
c61018b9 141int muxer_msg_iter_add_upstream_msg_iter(struct muxer_msg_iter *muxer_msg_iter,
d6e69534 142 bt_self_component_port_input_message_iterator *self_msg_iter)
958f7d11 143{
c61018b9 144 int ret = 0;
d6e69534
PP
145 struct muxer_upstream_msg_iter *muxer_upstream_msg_iter =
146 g_new0(struct muxer_upstream_msg_iter, 1);
958f7d11 147
d6e69534
PP
148 if (!muxer_upstream_msg_iter) {
149 BT_LOGE_STR("Failed to allocate one muxer's upstream message iterator wrapper.");
6c20f4a0 150 goto error;
958f7d11
PP
151 }
152
d6e69534
PP
153 muxer_upstream_msg_iter->msg_iter = self_msg_iter;
154 bt_self_component_port_input_message_iterator_get_ref(muxer_upstream_msg_iter->msg_iter);
155 muxer_upstream_msg_iter->msgs = g_queue_new();
156 if (!muxer_upstream_msg_iter->msgs) {
d4393e08 157 BT_LOGE_STR("Failed to allocate a GQueue.");
6c20f4a0 158 goto error;
d4393e08
PP
159 }
160
54bdc1f7 161 g_ptr_array_add(muxer_msg_iter->active_muxer_upstream_msg_iters,
d6e69534
PP
162 muxer_upstream_msg_iter);
163 BT_LOGD("Added muxer's upstream message iterator wrapper: "
164 "addr=%p, muxer-msg-iter-addr=%p, msg-iter-addr=%p",
165 muxer_upstream_msg_iter, muxer_msg_iter,
166 self_msg_iter);
958f7d11 167
6c20f4a0
FD
168 goto end;
169
170error:
171 g_free(muxer_upstream_msg_iter);
c61018b9 172 ret = -1;
6c20f4a0 173
958f7d11 174end:
c61018b9 175 return ret;
958f7d11
PP
176}
177
958f7d11 178static
5badd463 179bt_self_component_status add_available_input_port(
b19ff26f 180 bt_self_component_filter *self_comp)
958f7d11 181{
d94d92ac 182 struct muxer_comp *muxer_comp = bt_self_component_get_data(
707b7d35 183 bt_self_component_filter_as_self_component(self_comp));
4cdfc5e8 184 bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
958f7d11 185 GString *port_name = NULL;
958f7d11 186
f6ccaed9 187 BT_ASSERT(muxer_comp);
958f7d11
PP
188 port_name = g_string_new("in");
189 if (!port_name) {
fed72692 190 BT_LOGE_STR("Failed to allocate a GString.");
d94d92ac 191 status = BT_SELF_COMPONENT_STATUS_NOMEM;
958f7d11
PP
192 goto end;
193 }
194
195 g_string_append_printf(port_name, "%u", muxer_comp->next_port_num);
d94d92ac
PP
196 status = bt_self_component_filter_add_input_port(
197 self_comp, port_name->str, NULL, NULL);
198 if (status != BT_SELF_COMPONENT_STATUS_OK) {
fed72692
PP
199 BT_LOGE("Cannot add input port to muxer component: "
200 "port-name=\"%s\", comp-addr=%p, status=%s",
d94d92ac
PP
201 port_name->str, self_comp,
202 bt_self_component_status_string(status));
958f7d11
PP
203 goto end;
204 }
205
206 muxer_comp->available_input_ports++;
207 muxer_comp->next_port_num++;
fed72692
PP
208 BT_LOGD("Added one input port to muxer component: "
209 "port-name=\"%s\", comp-addr=%p",
d94d92ac 210 port_name->str, self_comp);
5badd463 211
958f7d11
PP
212end:
213 if (port_name) {
214 g_string_free(port_name, TRUE);
215 }
216
147337a3 217 return status;
958f7d11
PP
218}
219
958f7d11 220static
4cdfc5e8 221bt_self_component_status create_output_port(
b19ff26f 222 bt_self_component_filter *self_comp)
958f7d11 223{
d94d92ac
PP
224 return bt_self_component_filter_add_output_port(
225 self_comp, "out", NULL, NULL);
958f7d11
PP
226}
227
228static
229void destroy_muxer_comp(struct muxer_comp *muxer_comp)
230{
231 if (!muxer_comp) {
232 return;
233 }
234
958f7d11
PP
235 g_free(muxer_comp);
236}
237
65ee897d 238static
b19ff26f 239bt_value *get_default_params(void)
65ee897d 240{
b19ff26f 241 bt_value *params;
65ee897d
PP
242 int ret;
243
05e21286 244 params = bt_value_map_create();
65ee897d 245 if (!params) {
fed72692 246 BT_LOGE_STR("Cannot create a map value object.");
65ee897d
PP
247 goto error;
248 }
249
05e21286 250 ret = bt_value_map_insert_bool_entry(params,
c3acd5f3 251 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, false);
65ee897d 252 if (ret) {
fed72692 253 BT_LOGE_STR("Cannot add boolean value to map value object.");
65ee897d
PP
254 goto error;
255 }
256
257 goto end;
258
259error:
c5b9b441 260 BT_VALUE_PUT_REF_AND_RESET(params);
65ee897d
PP
261
262end:
263 return params;
264}
265
266static
05e21286 267int configure_muxer_comp(struct muxer_comp *muxer_comp,
b19ff26f 268 const bt_value *params)
65ee897d 269{
b19ff26f
PP
270 bt_value *default_params = NULL;
271 bt_value *real_params = NULL;
272 const bt_value *assume_absolute_clock_classes = NULL;
65ee897d 273 int ret = 0;
c55a9f58 274 bt_bool bool_val;
65ee897d
PP
275
276 default_params = get_default_params();
277 if (!default_params) {
fed72692
PP
278 BT_LOGE("Cannot get default parameters: "
279 "muxer-comp-addr=%p", muxer_comp);
65ee897d
PP
280 goto error;
281 }
282
35294e83 283 ret = bt_value_map_extend(default_params, params, &real_params);
601b0d3c 284 if (ret) {
fed72692
PP
285 BT_LOGE("Cannot extend default parameters map value: "
286 "muxer-comp-addr=%p, def-params-addr=%p, "
287 "params-addr=%p", muxer_comp, default_params,
288 params);
65ee897d
PP
289 goto error;
290 }
291
05e21286
PP
292 assume_absolute_clock_classes = bt_value_map_borrow_entry_value(real_params,
293 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME);
f6ccaed9
PP
294 if (assume_absolute_clock_classes &&
295 !bt_value_is_bool(assume_absolute_clock_classes)) {
fed72692
PP
296 BT_LOGE("Expecting a boolean value for the `%s` parameter: "
297 "muxer-comp-addr=%p, value-type=%s",
298 ASSUME_ABSOLUTE_CLOCK_CLASSES_PARAM_NAME, muxer_comp,
da91b29a 299 bt_common_value_type_string(
fed72692 300 bt_value_get_type(assume_absolute_clock_classes)));
65ee897d
PP
301 goto error;
302 }
303
601b0d3c 304 bool_val = bt_value_bool_get(assume_absolute_clock_classes);
282c8cd0 305 muxer_comp->assume_absolute_clock_classes = (bool) bool_val;
fed72692
PP
306 BT_LOGD("Configured muxer component: muxer-comp-addr=%p, "
307 "assume-absolute-clock-classes=%d",
308 muxer_comp, muxer_comp->assume_absolute_clock_classes);
65ee897d
PP
309 goto end;
310
311error:
312 ret = -1;
313
314end:
c5b9b441
PP
315 bt_value_put_ref(default_params);
316 bt_value_put_ref(real_params);
65ee897d
PP
317 return ret;
318}
319
958f7d11 320BT_HIDDEN
4cdfc5e8 321bt_self_component_status muxer_init(
b19ff26f 322 bt_self_component_filter *self_comp,
fdf0b89e 323 const bt_value *params, void *init_data)
958f7d11
PP
324{
325 int ret;
4cdfc5e8 326 bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK;
958f7d11
PP
327 struct muxer_comp *muxer_comp = g_new0(struct muxer_comp, 1);
328
fed72692 329 BT_LOGD("Initializing muxer component: "
d94d92ac 330 "comp-addr=%p, params-addr=%p", self_comp, params);
fed72692 331
958f7d11 332 if (!muxer_comp) {
fed72692 333 BT_LOGE_STR("Failed to allocate one muxer component.");
958f7d11
PP
334 goto error;
335 }
336
65ee897d
PP
337 ret = configure_muxer_comp(muxer_comp, params);
338 if (ret) {
fed72692
PP
339 BT_LOGE("Cannot configure muxer component: "
340 "muxer-comp-addr=%p, params-addr=%p",
341 muxer_comp, params);
65ee897d
PP
342 goto error;
343 }
344
d94d92ac
PP
345 muxer_comp->self_comp = self_comp;
346 bt_self_component_set_data(
707b7d35 347 bt_self_component_filter_as_self_component(self_comp),
d94d92ac 348 muxer_comp);
5badd463 349 status = add_available_input_port(self_comp);
d94d92ac 350 if (status != BT_SELF_COMPONENT_STATUS_OK) {
fed72692
PP
351 BT_LOGE("Cannot ensure that at least one muxer component's input port is available: "
352 "muxer-comp-addr=%p, status=%s",
353 muxer_comp,
d94d92ac 354 bt_self_component_status_string(status));
958f7d11
PP
355 goto error;
356 }
357
d94d92ac 358 status = create_output_port(self_comp);
fed72692
PP
359 if (status) {
360 BT_LOGE("Cannot create muxer component's output port: "
361 "muxer-comp-addr=%p, status=%s",
362 muxer_comp,
d94d92ac 363 bt_self_component_status_string(status));
958f7d11
PP
364 goto error;
365 }
366
fed72692
PP
367 BT_LOGD("Initialized muxer component: "
368 "comp-addr=%p, params-addr=%p, muxer-comp-addr=%p",
d94d92ac 369 self_comp, params, muxer_comp);
fed72692 370
958f7d11
PP
371 goto end;
372
373error:
374 destroy_muxer_comp(muxer_comp);
d94d92ac 375 bt_self_component_set_data(
707b7d35 376 bt_self_component_filter_as_self_component(self_comp),
d94d92ac 377 NULL);
147337a3 378
d94d92ac
PP
379 if (status == BT_SELF_COMPONENT_STATUS_OK) {
380 status = BT_SELF_COMPONENT_STATUS_ERROR;
147337a3 381 }
958f7d11
PP
382
383end:
384 return status;
385}
386
387BT_HIDDEN
b19ff26f 388void muxer_finalize(bt_self_component_filter *self_comp)
958f7d11 389{
d94d92ac 390 struct muxer_comp *muxer_comp = bt_self_component_get_data(
707b7d35 391 bt_self_component_filter_as_self_component(self_comp));
958f7d11 392
fed72692 393 BT_LOGD("Finalizing muxer component: comp-addr=%p",
d94d92ac 394 self_comp);
958f7d11
PP
395 destroy_muxer_comp(muxer_comp);
396}
397
398static
d6e69534 399bt_self_component_port_input_message_iterator *
5badd463 400create_msg_iter_on_input_port(bt_self_component_port_input *self_port)
958f7d11 401{
b19ff26f 402 const bt_port *port = bt_self_component_port_as_port(
707b7d35 403 bt_self_component_port_input_as_self_component_port(
d94d92ac 404 self_port));
d6e69534 405 bt_self_component_port_input_message_iterator *msg_iter =
d94d92ac 406 NULL;
958f7d11 407
f6ccaed9
PP
408 BT_ASSERT(port);
409 BT_ASSERT(bt_port_is_connected(port));
958f7d11 410
ab11110e 411 // TODO: Advance the iterator to >= the time of the latest
d6e69534 412 // returned message by the muxer message
ab11110e 413 // iterator which creates it.
d6e69534 414 msg_iter = bt_self_component_port_input_message_iterator_create(
d94d92ac 415 self_port);
d6e69534
PP
416 if (!msg_iter) {
417 BT_LOGE("Cannot create upstream message iterator on input port: "
d94d92ac
PP
418 "port-addr=%p, port-name=\"%s\"",
419 port, bt_port_get_name(port));
958f7d11
PP
420 goto end;
421 }
422
d6e69534
PP
423 BT_LOGD("Created upstream message iterator on input port: "
424 "port-addr=%p, port-name=\"%s\", msg-iter-addr=%p",
425 port, bt_port_get_name(port), msg_iter);
fed72692 426
958f7d11 427end:
d6e69534 428 return msg_iter;
958f7d11
PP
429}
430
ab11110e 431static
fdf0b89e 432bt_self_message_iterator_status muxer_upstream_msg_iter_next(
54bdc1f7
PP
433 struct muxer_upstream_msg_iter *muxer_upstream_msg_iter,
434 bool *is_ended)
ab11110e 435{
fdf0b89e
FD
436 bt_self_message_iterator_status status;
437 bt_message_iterator_status input_port_iter_status;
d6e69534 438 bt_message_array_const msgs;
d4393e08
PP
439 uint64_t i;
440 uint64_t count;
ab11110e 441
d6e69534
PP
442 BT_LOGV("Calling upstream message iterator's \"next\" method: "
443 "muxer-upstream-msg-iter-wrap-addr=%p, msg-iter-addr=%p",
444 muxer_upstream_msg_iter,
445 muxer_upstream_msg_iter->msg_iter);
fdf0b89e 446 input_port_iter_status = bt_self_component_port_input_message_iterator_next(
d6e69534
PP
447 muxer_upstream_msg_iter->msg_iter, &msgs, &count);
448 BT_LOGV("Upstream message iterator's \"next\" method returned: "
fdf0b89e 449 "status=%s", bt_message_iterator_status_string(input_port_iter_status));
ab11110e 450
fdf0b89e 451 switch (input_port_iter_status) {
d6e69534 452 case BT_MESSAGE_ITERATOR_STATUS_OK:
089717de 453 /*
d6e69534 454 * Message iterator's current message is
d4393e08 455 * valid: it must be considered for muxing operations.
089717de 456 */
d6e69534 457 BT_LOGV_STR("Validated upstream message iterator wrapper.");
d4393e08
PP
458 BT_ASSERT(count > 0);
459
d6e69534 460 /* Move messages to our queue */
d4393e08
PP
461 for (i = 0; i < count; i++) {
462 /*
463 * Push to tail in order; other side
d6e69534 464 * (muxer_msg_iter_do_next_one()) consumes
d4393e08
PP
465 * from the head first.
466 */
d6e69534
PP
467 g_queue_push_tail(muxer_upstream_msg_iter->msgs,
468 (void *) msgs[i]);
d4393e08 469 }
fdf0b89e 470 status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
ab11110e 471 break;
d6e69534 472 case BT_MESSAGE_ITERATOR_STATUS_AGAIN:
089717de 473 /*
d6e69534 474 * Message iterator's current message is not
089717de 475 * valid anymore. Return
d6e69534 476 * BT_MESSAGE_ITERATOR_STATUS_AGAIN immediately.
089717de 477 */
fdf0b89e 478 status = BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN;
ab11110e 479 break;
d6e69534 480 case BT_MESSAGE_ITERATOR_STATUS_END: /* Fall-through. */
ab11110e 481 /*
d6e69534 482 * Message iterator reached the end: release it. It
ab11110e 483 * won't be considered again to find the youngest
d6e69534 484 * message.
ab11110e 485 */
54bdc1f7 486 *is_ended = true;
fdf0b89e 487 status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
089717de 488 break;
ab11110e
PP
489 default:
490 /* Error or unsupported status code */
fed72692 491 BT_LOGE("Error or unsupported status code: "
fdf0b89e
FD
492 "status-code=%d", input_port_iter_status);
493 status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
089717de 494 break;
ab11110e
PP
495 }
496
089717de 497 return status;
ab11110e
PP
498}
499
958f7d11 500static
d6e69534
PP
501int get_msg_ts_ns(struct muxer_comp *muxer_comp,
502 struct muxer_msg_iter *muxer_msg_iter,
503 const bt_message *msg, int64_t last_returned_ts_ns,
958f7d11
PP
504 int64_t *ts_ns)
505{
605e1019 506 const bt_clock_snapshot *clock_snapshot = NULL;
958f7d11 507 int ret = 0;
5366eb53 508 bt_message_stream_activity_clock_snapshot_state sa_cs_state;
649934d2
PP
509 const bt_stream_class *stream_class = NULL;
510 bt_message_type msg_type;
958f7d11 511
d6e69534 512 BT_ASSERT(msg);
f6ccaed9 513 BT_ASSERT(ts_ns);
d6e69534
PP
514 BT_LOGV("Getting message's timestamp: "
515 "muxer-msg-iter-addr=%p, msg-addr=%p, "
fed72692 516 "last-returned-ts=%" PRId64,
d6e69534 517 muxer_msg_iter, msg, last_returned_ts_ns);
fed72692 518
60f3d027
PP
519 if (unlikely(muxer_msg_iter->clock_class_expectation ==
520 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE)) {
521 *ts_ns = last_returned_ts_ns;
522 goto end;
523 }
524
649934d2
PP
525 msg_type = bt_message_get_type(msg);
526
527 if (unlikely(msg_type == BT_MESSAGE_TYPE_PACKET_BEGINNING)) {
528 stream_class = bt_stream_borrow_class_const(
529 bt_packet_borrow_stream_const(
530 bt_message_packet_beginning_borrow_packet_const(
531 msg)));
532 } else if (unlikely(msg_type == BT_MESSAGE_TYPE_PACKET_END)) {
533 stream_class = bt_stream_borrow_class_const(
534 bt_packet_borrow_stream_const(
535 bt_message_packet_end_borrow_packet_const(
536 msg)));
2e90378a
PP
537 } else if (unlikely(msg_type == BT_MESSAGE_TYPE_DISCARDED_EVENTS)) {
538 stream_class = bt_stream_borrow_class_const(
539 bt_message_discarded_events_borrow_stream_const(msg));
540 } else if (unlikely(msg_type == BT_MESSAGE_TYPE_DISCARDED_PACKETS)) {
541 stream_class = bt_stream_borrow_class_const(
542 bt_message_discarded_packets_borrow_stream_const(msg));
649934d2
PP
543 }
544
545 switch (msg_type) {
d6e69534 546 case BT_MESSAGE_TYPE_EVENT:
60f3d027
PP
547 BT_ASSERT(bt_message_event_borrow_stream_class_default_clock_class_const(
548 msg));
0cbc2c33
PP
549 clock_snapshot = bt_message_event_borrow_default_clock_snapshot_const(
550 msg);
958f7d11 551 break;
5366eb53 552 case BT_MESSAGE_TYPE_PACKET_BEGINNING:
9b24b6aa 553 if (bt_stream_class_packets_have_beginning_default_clock_snapshot(
649934d2
PP
554 stream_class)) {
555 clock_snapshot = bt_message_packet_beginning_borrow_default_clock_snapshot_const(
556 msg);
557 } else {
558 goto no_clock_snapshot;
559 }
560
5366eb53
PP
561 break;
562 case BT_MESSAGE_TYPE_PACKET_END:
9b24b6aa 563 if (bt_stream_class_packets_have_end_default_clock_snapshot(
649934d2
PP
564 stream_class)) {
565 clock_snapshot = bt_message_packet_end_borrow_default_clock_snapshot_const(
566 msg);
567 } else {
568 goto no_clock_snapshot;
569 }
570
5366eb53
PP
571 break;
572 case BT_MESSAGE_TYPE_DISCARDED_EVENTS:
2e90378a
PP
573 if (bt_stream_class_discarded_events_have_default_clock_snapshots(
574 stream_class)) {
9b24b6aa 575 clock_snapshot = bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const(
2e90378a
PP
576 msg);
577 } else {
578 goto no_clock_snapshot;
579 }
580
5366eb53
PP
581 break;
582 case BT_MESSAGE_TYPE_DISCARDED_PACKETS:
2e90378a
PP
583 if (bt_stream_class_discarded_packets_have_default_clock_snapshots(
584 stream_class)) {
9b24b6aa 585 clock_snapshot = bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const(
2e90378a
PP
586 msg);
587 } else {
588 goto no_clock_snapshot;
589 }
590
5366eb53
PP
591 break;
592 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING:
60f3d027
PP
593 BT_ASSERT(bt_message_stream_activity_beginning_borrow_stream_class_default_clock_class_const(
594 msg));
5366eb53
PP
595 sa_cs_state = bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const(
596 msg, &clock_snapshot);
597 if (sa_cs_state != BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN) {
4c0f1c8c 598 goto no_clock_snapshot;
5366eb53 599 }
958f7d11 600
5366eb53
PP
601 break;
602 case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END:
60f3d027
PP
603 BT_ASSERT(bt_message_stream_activity_end_borrow_stream_class_default_clock_class_const(
604 msg));
5366eb53
PP
605 sa_cs_state = bt_message_stream_activity_end_borrow_default_clock_snapshot_const(
606 msg, &clock_snapshot);
607 if (sa_cs_state != BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN) {
4c0f1c8c 608 goto no_clock_snapshot;
5366eb53
PP
609 }
610
611 break;
b9fd9cbb 612 case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY:
0cbc2c33
PP
613 clock_snapshot = bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
614 msg);
958f7d11
PP
615 break;
616 default:
d6e69534
PP
617 /* All the other messages have a higher priority */
618 BT_LOGV_STR("Message has no timestamp: using the last returned timestamp.");
958f7d11
PP
619 *ts_ns = last_returned_ts_ns;
620 goto end;
621 }
622
60f3d027
PP
623 ret = bt_clock_snapshot_get_ns_from_origin(clock_snapshot, ts_ns);
624 if (ret) {
625 BT_LOGE("Cannot get nanoseconds from Epoch of clock snapshot: "
626 "clock-snapshot-addr=%p", clock_snapshot);
627 goto error;
628 }
629
630 goto end;
631
632no_clock_snapshot:
633 BT_LOGV_STR("Message's default clock snapshot is missing: "
634 "using the last returned timestamp.");
635 *ts_ns = last_returned_ts_ns;
636 goto end;
637
638error:
639 ret = -1;
640
641end:
642 if (ret == 0) {
643 BT_LOGV("Found message's timestamp: "
644 "muxer-msg-iter-addr=%p, msg-addr=%p, "
645 "last-returned-ts=%" PRId64 ", ts=%" PRId64,
646 muxer_msg_iter, msg, last_returned_ts_ns,
647 *ts_ns);
44c440bc
PP
648 }
649
60f3d027
PP
650 return ret;
651}
652
653static inline
654int validate_clock_class(struct muxer_msg_iter *muxer_msg_iter,
655 struct muxer_comp *muxer_comp,
656 const bt_clock_class *clock_class)
657{
658 int ret = 0;
659 const unsigned char *cc_uuid;
660 const char *cc_name;
661
e22b45d0 662 BT_ASSERT(clock_class);
50842bdc
PP
663 cc_uuid = bt_clock_class_get_uuid(clock_class);
664 cc_name = bt_clock_class_get_name(clock_class);
282c8cd0 665
d6e69534
PP
666 if (muxer_msg_iter->clock_class_expectation ==
667 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) {
282c8cd0
PP
668 /*
669 * This is the first clock class that this muxer
d6e69534 670 * message iterator encounters. Its properties
282c8cd0
PP
671 * determine what to expect for the whole lifetime of
672 * the iterator without a true
673 * `assume-absolute-clock-classes` parameter.
674 */
5552377a 675 if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
282c8cd0 676 /* Expect absolute clock classes */
d6e69534
PP
677 muxer_msg_iter->clock_class_expectation =
678 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE;
282c8cd0
PP
679 } else {
680 if (cc_uuid) {
681 /*
682 * Expect non-absolute clock classes
683 * with a specific UUID.
684 */
d6e69534
PP
685 muxer_msg_iter->clock_class_expectation =
686 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID;
687 memcpy(muxer_msg_iter->expected_clock_class_uuid,
282c8cd0
PP
688 cc_uuid, BABELTRACE_UUID_LEN);
689 } else {
690 /*
691 * Expect non-absolute clock classes
692 * with no UUID.
693 */
d6e69534
PP
694 muxer_msg_iter->clock_class_expectation =
695 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID;
282c8cd0
PP
696 }
697 }
698 }
699
700 if (!muxer_comp->assume_absolute_clock_classes) {
d6e69534
PP
701 switch (muxer_msg_iter->clock_class_expectation) {
702 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ABSOLUTE:
5552377a 703 if (!bt_clock_class_origin_is_unix_epoch(clock_class)) {
fed72692
PP
704 BT_LOGE("Expecting an absolute clock class, "
705 "but got a non-absolute one: "
706 "clock-class-addr=%p, clock-class-name=\"%s\"",
707 clock_class, cc_name);
282c8cd0
PP
708 goto error;
709 }
710 break;
d6e69534 711 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_NO_UUID:
5552377a 712 if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
fed72692
PP
713 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
714 "but got an absolute one: "
715 "clock-class-addr=%p, clock-class-name=\"%s\"",
716 clock_class, cc_name);
282c8cd0
PP
717 goto error;
718 }
719
720 if (cc_uuid) {
fed72692
PP
721 BT_LOGE("Expecting a non-absolute clock class with no UUID, "
722 "but got one with a UUID: "
723 "clock-class-addr=%p, clock-class-name=\"%s\", "
724 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
725 clock_class, cc_name,
726 (unsigned int) cc_uuid[0],
727 (unsigned int) cc_uuid[1],
728 (unsigned int) cc_uuid[2],
729 (unsigned int) cc_uuid[3],
730 (unsigned int) cc_uuid[4],
731 (unsigned int) cc_uuid[5],
732 (unsigned int) cc_uuid[6],
733 (unsigned int) cc_uuid[7],
734 (unsigned int) cc_uuid[8],
735 (unsigned int) cc_uuid[9],
736 (unsigned int) cc_uuid[10],
737 (unsigned int) cc_uuid[11],
738 (unsigned int) cc_uuid[12],
739 (unsigned int) cc_uuid[13],
740 (unsigned int) cc_uuid[14],
741 (unsigned int) cc_uuid[15]);
282c8cd0
PP
742 goto error;
743 }
744 break;
d6e69534 745 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NOT_ABS_SPEC_UUID:
5552377a 746 if (bt_clock_class_origin_is_unix_epoch(clock_class)) {
fed72692
PP
747 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
748 "but got an absolute one: "
749 "clock-class-addr=%p, clock-class-name=\"%s\"",
750 clock_class, cc_name);
282c8cd0
PP
751 goto error;
752 }
753
754 if (!cc_uuid) {
fed72692
PP
755 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
756 "but got one with no UUID: "
757 "clock-class-addr=%p, clock-class-name=\"%s\"",
758 clock_class, cc_name);
282c8cd0
PP
759 goto error;
760 }
761
d6e69534 762 if (memcmp(muxer_msg_iter->expected_clock_class_uuid,
282c8cd0 763 cc_uuid, BABELTRACE_UUID_LEN) != 0) {
fed72692
PP
764 BT_LOGE("Expecting a non-absolute clock class with a specific UUID, "
765 "but got one with different UUID: "
766 "clock-class-addr=%p, clock-class-name=\"%s\", "
767 "expected-uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\", "
768 "uuid=\"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\"",
769 clock_class, cc_name,
d6e69534
PP
770 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[0],
771 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[1],
772 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[2],
773 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[3],
774 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[4],
775 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[5],
776 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[6],
777 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[7],
778 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[8],
779 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[9],
780 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[10],
781 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[11],
782 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[12],
783 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[13],
784 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[14],
785 (unsigned int) muxer_msg_iter->expected_clock_class_uuid[15],
fed72692
PP
786 (unsigned int) cc_uuid[0],
787 (unsigned int) cc_uuid[1],
788 (unsigned int) cc_uuid[2],
789 (unsigned int) cc_uuid[3],
790 (unsigned int) cc_uuid[4],
791 (unsigned int) cc_uuid[5],
792 (unsigned int) cc_uuid[6],
793 (unsigned int) cc_uuid[7],
794 (unsigned int) cc_uuid[8],
795 (unsigned int) cc_uuid[9],
796 (unsigned int) cc_uuid[10],
797 (unsigned int) cc_uuid[11],
798 (unsigned int) cc_uuid[12],
799 (unsigned int) cc_uuid[13],
800 (unsigned int) cc_uuid[14],
801 (unsigned int) cc_uuid[15]);
282c8cd0
PP
802 goto error;
803 }
804 break;
60f3d027
PP
805 case MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE:
806 BT_LOGE("Expecting no clock class, but got one: "
807 "clock-class-addr=%p, clock-class-name=\"%s\"",
808 clock_class, cc_name);
809 goto error;
282c8cd0
PP
810 default:
811 /* Unexpected */
fed72692
PP
812 BT_LOGF("Unexpected clock class expectation: "
813 "expectation-code=%d",
d6e69534 814 muxer_msg_iter->clock_class_expectation);
282c8cd0
PP
815 abort();
816 }
958f7d11
PP
817 }
818
4c0f1c8c
PP
819 goto end;
820
958f7d11
PP
821error:
822 ret = -1;
823
824end:
60f3d027
PP
825 return ret;
826}
827
828static inline
829int validate_new_stream_clock_class(struct muxer_msg_iter *muxer_msg_iter,
830 struct muxer_comp *muxer_comp, const bt_stream *stream)
831{
832 int ret = 0;
833 const bt_stream_class *stream_class =
834 bt_stream_borrow_class_const(stream);
835 const bt_clock_class *clock_class =
836 bt_stream_class_borrow_default_clock_class_const(stream_class);
837
838 if (!clock_class) {
839 if (muxer_msg_iter->clock_class_expectation ==
840 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY) {
841 /* Expect no clock class */
842 muxer_msg_iter->clock_class_expectation =
843 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_NONE;
844 } else {
845 BT_LOGE("Expecting stream class with a default clock class: "
846 "stream-class-addr=%p, stream-class-name=\"%s\", "
847 "stream-class-id=%" PRIu64,
848 stream_class, bt_stream_class_get_name(stream_class),
849 bt_stream_class_get_id(stream_class));
850 ret = -1;
851 }
852
853 goto end;
fed72692
PP
854 }
855
60f3d027
PP
856 ret = validate_clock_class(muxer_msg_iter, muxer_comp, clock_class);
857
858end:
958f7d11
PP
859 return ret;
860}
861
ab11110e 862/*
d6e69534
PP
863 * This function finds the youngest available message amongst the
864 * non-ended upstream message iterators and returns the upstream
865 * message iterator which has it, or
866 * BT_MESSAGE_ITERATOR_STATUS_END if there's no available
867 * message.
ab11110e
PP
868 *
869 * This function does NOT:
870 *
d6e69534 871 * * Update any upstream message iterator.
d6e69534 872 * * Check the upstream message iterators to retry.
ab11110e 873 *
d6e69534
PP
874 * On sucess, this function sets *muxer_upstream_msg_iter to the
875 * upstream message iterator of which the current message is
ab11110e
PP
876 * the youngest, and sets *ts_ns to its time.
877 */
958f7d11 878static
fdf0b89e 879bt_self_message_iterator_status
d6e69534 880muxer_msg_iter_youngest_upstream_msg_iter(
958f7d11 881 struct muxer_comp *muxer_comp,
d6e69534
PP
882 struct muxer_msg_iter *muxer_msg_iter,
883 struct muxer_upstream_msg_iter **muxer_upstream_msg_iter,
958f7d11
PP
884 int64_t *ts_ns)
885{
886 size_t i;
887 int ret;
888 int64_t youngest_ts_ns = INT64_MAX;
fdf0b89e
FD
889 bt_self_message_iterator_status status =
890 BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
958f7d11 891
f6ccaed9 892 BT_ASSERT(muxer_comp);
d6e69534
PP
893 BT_ASSERT(muxer_msg_iter);
894 BT_ASSERT(muxer_upstream_msg_iter);
895 *muxer_upstream_msg_iter = NULL;
896
54bdc1f7
PP
897 for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len;
898 i++) {
d6e69534
PP
899 const bt_message *msg;
900 struct muxer_upstream_msg_iter *cur_muxer_upstream_msg_iter =
54bdc1f7
PP
901 g_ptr_array_index(
902 muxer_msg_iter->active_muxer_upstream_msg_iters,
903 i);
d6e69534
PP
904 int64_t msg_ts_ns;
905
906 if (!cur_muxer_upstream_msg_iter->msg_iter) {
907 /* This upstream message iterator is ended */
908 BT_LOGV("Skipping ended upstream message iterator: "
909 "muxer-upstream-msg-iter-wrap-addr=%p",
910 cur_muxer_upstream_msg_iter);
958f7d11
PP
911 continue;
912 }
913
d6e69534
PP
914 BT_ASSERT(cur_muxer_upstream_msg_iter->msgs->length > 0);
915 msg = g_queue_peek_head(cur_muxer_upstream_msg_iter->msgs);
916 BT_ASSERT(msg);
60f3d027
PP
917
918 if (unlikely(bt_message_get_type(msg) ==
919 BT_MESSAGE_TYPE_STREAM_BEGINNING)) {
920 ret = validate_new_stream_clock_class(
921 muxer_msg_iter, muxer_comp,
922 bt_message_stream_beginning_borrow_stream_const(
923 msg));
924 if (ret) {
925 /*
926 * validate_new_stream_clock_class() logs
927 * errors.
928 */
929 status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
930 goto end;
931 }
932 } else if (unlikely(bt_message_get_type(msg) ==
933 BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY)) {
934 const bt_clock_snapshot *cs;
60f3d027 935
0cbc2c33
PP
936 cs = bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
937 msg);
60f3d027
PP
938 ret = validate_clock_class(muxer_msg_iter, muxer_comp,
939 bt_clock_snapshot_borrow_clock_class_const(cs));
940 if (ret) {
941 /* validate_clock_class() logs errors */
942 status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
943 goto end;
944 }
945 }
946
d6e69534
PP
947 ret = get_msg_ts_ns(muxer_comp, muxer_msg_iter, msg,
948 muxer_msg_iter->last_returned_ts_ns, &msg_ts_ns);
958f7d11 949 if (ret) {
d6e69534
PP
950 /* get_msg_ts_ns() logs errors */
951 *muxer_upstream_msg_iter = NULL;
fdf0b89e 952 status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
958f7d11
PP
953 goto end;
954 }
955
d6e69534
PP
956 if (msg_ts_ns <= youngest_ts_ns) {
957 *muxer_upstream_msg_iter =
958 cur_muxer_upstream_msg_iter;
959 youngest_ts_ns = msg_ts_ns;
958f7d11
PP
960 *ts_ns = youngest_ts_ns;
961 }
962 }
963
d6e69534 964 if (!*muxer_upstream_msg_iter) {
fdf0b89e 965 status = BT_SELF_MESSAGE_ITERATOR_STATUS_END;
958f7d11
PP
966 *ts_ns = INT64_MIN;
967 }
968
969end:
970 return status;
971}
972
973static
fdf0b89e 974bt_self_message_iterator_status validate_muxer_upstream_msg_iter(
54bdc1f7
PP
975 struct muxer_upstream_msg_iter *muxer_upstream_msg_iter,
976 bool *is_ended)
958f7d11 977{
fdf0b89e
FD
978 bt_self_message_iterator_status status =
979 BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
958f7d11 980
d6e69534
PP
981 BT_LOGV("Validating muxer's upstream message iterator wrapper: "
982 "muxer-upstream-msg-iter-wrap-addr=%p",
983 muxer_upstream_msg_iter);
fed72692 984
d6e69534
PP
985 if (muxer_upstream_msg_iter->msgs->length > 0 ||
986 !muxer_upstream_msg_iter->msg_iter) {
d4393e08 987 BT_LOGV("Already valid or not considered: "
d6e69534
PP
988 "queue-len=%u, upstream-msg-iter-addr=%p",
989 muxer_upstream_msg_iter->msgs->length,
990 muxer_upstream_msg_iter->msg_iter);
ab11110e
PP
991 goto end;
992 }
993
d6e69534 994 /* muxer_upstream_msg_iter_next() logs details/errors */
54bdc1f7
PP
995 status = muxer_upstream_msg_iter_next(muxer_upstream_msg_iter,
996 is_ended);
089717de
PP
997
998end:
999 return status;
1000}
1001
1002static
fdf0b89e 1003bt_self_message_iterator_status validate_muxer_upstream_msg_iters(
d6e69534 1004 struct muxer_msg_iter *muxer_msg_iter)
089717de 1005{
fdf0b89e
FD
1006 bt_self_message_iterator_status status =
1007 BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
089717de
PP
1008 size_t i;
1009
d6e69534
PP
1010 BT_LOGV("Validating muxer's upstream message iterator wrappers: "
1011 "muxer-msg-iter-addr=%p", muxer_msg_iter);
fed72692 1012
54bdc1f7
PP
1013 for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len;
1014 i++) {
6bf2abbd 1015 bool is_ended = false;
d6e69534 1016 struct muxer_upstream_msg_iter *muxer_upstream_msg_iter =
089717de 1017 g_ptr_array_index(
54bdc1f7 1018 muxer_msg_iter->active_muxer_upstream_msg_iters,
089717de
PP
1019 i);
1020
d6e69534 1021 status = validate_muxer_upstream_msg_iter(
54bdc1f7 1022 muxer_upstream_msg_iter, &is_ended);
fdf0b89e 1023 if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
fed72692 1024 if (status < 0) {
d6e69534
PP
1025 BT_LOGE("Cannot validate muxer's upstream message iterator wrapper: "
1026 "muxer-msg-iter-addr=%p, "
1027 "muxer-upstream-msg-iter-wrap-addr=%p",
1028 muxer_msg_iter,
1029 muxer_upstream_msg_iter);
fed72692 1030 } else {
d6e69534
PP
1031 BT_LOGV("Cannot validate muxer's upstream message iterator wrapper: "
1032 "muxer-msg-iter-addr=%p, "
1033 "muxer-upstream-msg-iter-wrap-addr=%p",
1034 muxer_msg_iter,
1035 muxer_upstream_msg_iter);
fed72692
PP
1036 }
1037
089717de
PP
1038 goto end;
1039 }
744ba28b
PP
1040
1041 /*
54bdc1f7
PP
1042 * Move this muxer upstream message iterator to the
1043 * array of ended iterators if it's ended.
744ba28b 1044 */
54bdc1f7
PP
1045 if (unlikely(is_ended)) {
1046 BT_LOGV("Muxer's upstream message iterator wrapper: ended or canceled: "
1047 "muxer-msg-iter-addr=%p, "
1048 "muxer-upstream-msg-iter-wrap-addr=%p",
1049 muxer_msg_iter, muxer_upstream_msg_iter);
1050 g_ptr_array_add(
1051 muxer_msg_iter->ended_muxer_upstream_msg_iters,
1052 muxer_upstream_msg_iter);
1053 muxer_msg_iter->active_muxer_upstream_msg_iters->pdata[i] = NULL;
1054
744ba28b
PP
1055 /*
1056 * Use g_ptr_array_remove_fast() because the
1057 * order of those elements is not important.
1058 */
1059 g_ptr_array_remove_index_fast(
54bdc1f7 1060 muxer_msg_iter->active_muxer_upstream_msg_iters,
744ba28b
PP
1061 i);
1062 i--;
1063 }
089717de
PP
1064 }
1065
1066end:
1067 return status;
1068}
1069
d4393e08 1070static inline
fdf0b89e 1071bt_self_message_iterator_status muxer_msg_iter_do_next_one(
089717de 1072 struct muxer_comp *muxer_comp,
d6e69534
PP
1073 struct muxer_msg_iter *muxer_msg_iter,
1074 const bt_message **msg)
089717de 1075{
5badd463 1076 bt_self_message_iterator_status status;
d6e69534 1077 struct muxer_upstream_msg_iter *muxer_upstream_msg_iter = NULL;
089717de
PP
1078 int64_t next_return_ts;
1079
5badd463
PP
1080 status = validate_muxer_upstream_msg_iters(muxer_msg_iter);
1081 if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
1082 /* validate_muxer_upstream_msg_iters() logs details */
1083 goto end;
958f7d11
PP
1084 }
1085
1086 /*
089717de 1087 * At this point we know that all the existing upstream
d6e69534
PP
1088 * message iterators are valid. We can find the one,
1089 * amongst those, of which the current message is the
089717de 1090 * youngest.
958f7d11 1091 */
d6e69534
PP
1092 status = muxer_msg_iter_youngest_upstream_msg_iter(muxer_comp,
1093 muxer_msg_iter, &muxer_upstream_msg_iter,
089717de 1094 &next_return_ts);
fdf0b89e 1095 if (status < 0 || status == BT_SELF_MESSAGE_ITERATOR_STATUS_END) {
d4393e08 1096 if (status < 0) {
d6e69534 1097 BT_LOGE("Cannot find the youngest upstream message iterator wrapper: "
fed72692 1098 "status=%s",
bd1a54fe 1099 bt_common_self_message_iterator_status_string(status));
fed72692 1100 } else {
d6e69534 1101 BT_LOGV("Cannot find the youngest upstream message iterator wrapper: "
fed72692 1102 "status=%s",
bd1a54fe 1103 bt_common_self_message_iterator_status_string(status));
fed72692
PP
1104 }
1105
958f7d11
PP
1106 goto end;
1107 }
1108
d6e69534
PP
1109 if (next_return_ts < muxer_msg_iter->last_returned_ts_ns) {
1110 BT_LOGE("Youngest upstream message iterator wrapper's timestamp is less than muxer's message iterator's last returned timestamp: "
1111 "muxer-msg-iter-addr=%p, ts=%" PRId64 ", "
fed72692 1112 "last-returned-ts=%" PRId64,
d6e69534
PP
1113 muxer_msg_iter, next_return_ts,
1114 muxer_msg_iter->last_returned_ts_ns);
fdf0b89e 1115 status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
958f7d11
PP
1116 goto end;
1117 }
1118
d6e69534
PP
1119 BT_LOGV("Found youngest upstream message iterator wrapper: "
1120 "muxer-msg-iter-addr=%p, "
1121 "muxer-upstream-msg-iter-wrap-addr=%p, "
fed72692 1122 "ts=%" PRId64,
d6e69534 1123 muxer_msg_iter, muxer_upstream_msg_iter, next_return_ts);
fdf0b89e 1124 BT_ASSERT(status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK);
d6e69534 1125 BT_ASSERT(muxer_upstream_msg_iter);
958f7d11
PP
1126
1127 /*
d4393e08 1128 * Consume from the queue's head: other side
d6e69534 1129 * (muxer_upstream_msg_iter_next()) writes to the tail.
958f7d11 1130 */
d6e69534
PP
1131 *msg = g_queue_pop_head(muxer_upstream_msg_iter->msgs);
1132 BT_ASSERT(*msg);
1133 muxer_msg_iter->last_returned_ts_ns = next_return_ts;
958f7d11
PP
1134
1135end:
d4393e08
PP
1136 return status;
1137}
1138
1139static
fdf0b89e 1140bt_self_message_iterator_status muxer_msg_iter_do_next(
d4393e08 1141 struct muxer_comp *muxer_comp,
d6e69534
PP
1142 struct muxer_msg_iter *muxer_msg_iter,
1143 bt_message_array_const msgs, uint64_t capacity,
d4393e08
PP
1144 uint64_t *count)
1145{
fdf0b89e
FD
1146 bt_self_message_iterator_status status =
1147 BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
d4393e08
PP
1148 uint64_t i = 0;
1149
4725a201 1150 while (i < capacity && status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
d6e69534
PP
1151 status = muxer_msg_iter_do_next_one(muxer_comp,
1152 muxer_msg_iter, &msgs[i]);
4725a201 1153 if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) {
d4393e08
PP
1154 i++;
1155 }
1156 }
1157
1158 if (i > 0) {
1159 /*
d6e69534 1160 * Even if muxer_msg_iter_do_next_one() returned
d4393e08 1161 * something else than
d6e69534
PP
1162 * BT_MESSAGE_ITERATOR_STATUS_OK, we accumulated
1163 * message objects in the output message
d4393e08 1164 * array, so we need to return
d6e69534 1165 * BT_MESSAGE_ITERATOR_STATUS_OK so that they are
d4393e08 1166 * transfered to downstream. This other status occurs
d6e69534 1167 * again the next time muxer_msg_iter_do_next() is
d4393e08 1168 * called, possibly without any accumulated
d6e69534 1169 * message, in which case we'll return it.
d4393e08
PP
1170 */
1171 *count = i;
fdf0b89e 1172 status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
d4393e08
PP
1173 }
1174
1175 return status;
958f7d11
PP
1176}
1177
1178static
d6e69534 1179void destroy_muxer_msg_iter(struct muxer_msg_iter *muxer_msg_iter)
ab11110e 1180{
d6e69534 1181 if (!muxer_msg_iter) {
ab11110e
PP
1182 return;
1183 }
1184
d6e69534
PP
1185 BT_LOGD("Destroying muxer component's message iterator: "
1186 "muxer-msg-iter-addr=%p", muxer_msg_iter);
fed72692 1187
54bdc1f7
PP
1188 if (muxer_msg_iter->active_muxer_upstream_msg_iters) {
1189 BT_LOGD_STR("Destroying muxer's active upstream message iterator wrappers.");
1190 g_ptr_array_free(
1191 muxer_msg_iter->active_muxer_upstream_msg_iters, TRUE);
1192 }
1193
1194 if (muxer_msg_iter->ended_muxer_upstream_msg_iters) {
1195 BT_LOGD_STR("Destroying muxer's ended upstream message iterator wrappers.");
ab11110e 1196 g_ptr_array_free(
54bdc1f7 1197 muxer_msg_iter->ended_muxer_upstream_msg_iters, TRUE);
ab11110e
PP
1198 }
1199
d6e69534 1200 g_free(muxer_msg_iter);
ab11110e
PP
1201}
1202
1203static
5badd463 1204int muxer_msg_iter_init_upstream_iterators(struct muxer_comp *muxer_comp,
d6e69534 1205 struct muxer_msg_iter *muxer_msg_iter)
958f7d11 1206{
544d0515
PP
1207 int64_t count;
1208 int64_t i;
ab11110e 1209 int ret = 0;
958f7d11 1210
d94d92ac 1211 count = bt_component_filter_get_input_port_count(
707b7d35 1212 bt_self_component_filter_as_component_filter(
d94d92ac 1213 muxer_comp->self_comp));
544d0515 1214 if (count < 0) {
d6e69534
PP
1215 BT_LOGD("No input port to initialize for muxer component's message iterator: "
1216 "muxer-comp-addr=%p, muxer-msg-iter-addr=%p",
1217 muxer_comp, muxer_msg_iter);
ab11110e
PP
1218 goto end;
1219 }
958f7d11
PP
1220
1221 for (i = 0; i < count; i++) {
5badd463 1222 bt_self_component_port_input_message_iterator *upstream_msg_iter;
b19ff26f 1223 bt_self_component_port_input *self_port =
d94d92ac
PP
1224 bt_self_component_filter_borrow_input_port_by_index(
1225 muxer_comp->self_comp, i);
b19ff26f 1226 const bt_port *port;
958f7d11 1227
d94d92ac 1228 BT_ASSERT(self_port);
707b7d35
PP
1229 port = bt_self_component_port_as_port(
1230 bt_self_component_port_input_as_self_component_port(
d94d92ac 1231 self_port));
f6ccaed9 1232 BT_ASSERT(port);
958f7d11
PP
1233
1234 if (!bt_port_is_connected(port)) {
5badd463 1235 /* Skip non-connected port */
958f7d11
PP
1236 continue;
1237 }
1238
5badd463
PP
1239 upstream_msg_iter = create_msg_iter_on_input_port(self_port);
1240 if (!upstream_msg_iter) {
1241 /* create_msg_iter_on_input_port() logs errors */
1242 BT_ASSERT(!upstream_msg_iter);
ab11110e
PP
1243 ret = -1;
1244 goto end;
958f7d11 1245 }
fed72692 1246
c61018b9
FD
1247 ret = muxer_msg_iter_add_upstream_msg_iter(muxer_msg_iter,
1248 upstream_msg_iter);
5badd463
PP
1249 bt_self_component_port_input_message_iterator_put_ref(
1250 upstream_msg_iter);
c61018b9 1251 if (ret) {
5badd463 1252 /* muxer_msg_iter_add_upstream_msg_iter() logs errors */
5badd463
PP
1253 goto end;
1254 }
958f7d11
PP
1255 }
1256
1257end:
958f7d11
PP
1258 return ret;
1259}
1260
958f7d11 1261BT_HIDDEN
4cdfc5e8 1262bt_self_message_iterator_status muxer_msg_iter_init(
d6e69534 1263 bt_self_message_iterator *self_msg_iter,
b19ff26f
PP
1264 bt_self_component_filter *self_comp,
1265 bt_self_component_port_output *port)
958f7d11
PP
1266{
1267 struct muxer_comp *muxer_comp = NULL;
d6e69534 1268 struct muxer_msg_iter *muxer_msg_iter = NULL;
4cdfc5e8 1269 bt_self_message_iterator_status status =
fdf0b89e 1270 BT_SELF_MESSAGE_ITERATOR_STATUS_OK;
958f7d11
PP
1271 int ret;
1272
d94d92ac 1273 muxer_comp = bt_self_component_get_data(
707b7d35 1274 bt_self_component_filter_as_self_component(self_comp));
f6ccaed9 1275 BT_ASSERT(muxer_comp);
d6e69534
PP
1276 BT_LOGD("Initializing muxer component's message iterator: "
1277 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1278 self_comp, muxer_comp, self_msg_iter);
a09c6b95 1279
d6e69534 1280 if (muxer_comp->initializing_muxer_msg_iter) {
a09c6b95 1281 /*
089717de 1282 * Weird, unhandled situation detected: downstream
d6e69534
PP
1283 * creates a muxer message iterator while creating
1284 * another muxer message iterator (same component).
a09c6b95 1285 */
d6e69534
PP
1286 BT_LOGE("Recursive initialization of muxer component's message iterator: "
1287 "comp-addr=%p, muxer-comp-addr=%p, msg-iter-addr=%p",
1288 self_comp, muxer_comp, self_msg_iter);
958f7d11
PP
1289 goto error;
1290 }
1291
d6e69534
PP
1292 muxer_comp->initializing_muxer_msg_iter = true;
1293 muxer_msg_iter = g_new0(struct muxer_msg_iter, 1);
1294 if (!muxer_msg_iter) {
1295 BT_LOGE_STR("Failed to allocate one muxer component's message iterator.");
ab11110e
PP
1296 goto error;
1297 }
1298
d6e69534 1299 muxer_msg_iter->last_returned_ts_ns = INT64_MIN;
54bdc1f7 1300 muxer_msg_iter->active_muxer_upstream_msg_iters =
958f7d11 1301 g_ptr_array_new_with_free_func(
d6e69534 1302 (GDestroyNotify) destroy_muxer_upstream_msg_iter);
54bdc1f7
PP
1303 if (!muxer_msg_iter->active_muxer_upstream_msg_iters) {
1304 BT_LOGE_STR("Failed to allocate a GPtrArray.");
1305 goto error;
1306 }
1307
1308 muxer_msg_iter->ended_muxer_upstream_msg_iters =
1309 g_ptr_array_new_with_free_func(
1310 (GDestroyNotify) destroy_muxer_upstream_msg_iter);
1311 if (!muxer_msg_iter->ended_muxer_upstream_msg_iters) {
fed72692 1312 BT_LOGE_STR("Failed to allocate a GPtrArray.");
958f7d11
PP
1313 goto error;
1314 }
1315
5badd463 1316 ret = muxer_msg_iter_init_upstream_iterators(muxer_comp,
d6e69534 1317 muxer_msg_iter);
a09c6b95 1318 if (ret) {
5badd463 1319 BT_LOGE("Cannot initialize connected input ports for muxer component's message iterator: "
fed72692 1320 "comp-addr=%p, muxer-comp-addr=%p, "
d6e69534
PP
1321 "muxer-msg-iter-addr=%p, msg-iter-addr=%p, ret=%d",
1322 self_comp, muxer_comp, muxer_msg_iter,
1323 self_msg_iter, ret);
a09c6b95
PP
1324 goto error;
1325 }
1326
5badd463 1327 bt_self_message_iterator_set_data(self_msg_iter, muxer_msg_iter);
d6e69534
PP
1328 BT_LOGD("Initialized muxer component's message iterator: "
1329 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1330 "msg-iter-addr=%p",
1331 self_comp, muxer_comp, muxer_msg_iter, self_msg_iter);
958f7d11
PP
1332 goto end;
1333
1334error:
d6e69534 1335 destroy_muxer_msg_iter(muxer_msg_iter);
5badd463 1336 bt_self_message_iterator_set_data(self_msg_iter, NULL);
fdf0b89e 1337 status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR;
958f7d11
PP
1338
1339end:
d6e69534 1340 muxer_comp->initializing_muxer_msg_iter = false;
958f7d11
PP
1341 return status;
1342}
1343
1344BT_HIDDEN
54bdc1f7 1345void muxer_msg_iter_finalize(bt_self_message_iterator *self_msg_iter)
958f7d11 1346{
d6e69534
PP
1347 struct muxer_msg_iter *muxer_msg_iter =
1348 bt_self_message_iterator_get_data(self_msg_iter);
b19ff26f 1349 bt_self_component *self_comp = NULL;
958f7d11
PP
1350 struct muxer_comp *muxer_comp = NULL;
1351
d6e69534
PP
1352 self_comp = bt_self_message_iterator_borrow_component(
1353 self_msg_iter);
d94d92ac
PP
1354 BT_ASSERT(self_comp);
1355 muxer_comp = bt_self_component_get_data(self_comp);
d6e69534
PP
1356 BT_LOGD("Finalizing muxer component's message iterator: "
1357 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1358 "msg-iter-addr=%p",
1359 self_comp, muxer_comp, muxer_msg_iter, self_msg_iter);
958f7d11 1360
5badd463 1361 if (muxer_msg_iter) {
d6e69534 1362 destroy_muxer_msg_iter(muxer_msg_iter);
958f7d11 1363 }
958f7d11
PP
1364}
1365
1366BT_HIDDEN
fdf0b89e 1367bt_self_message_iterator_status muxer_msg_iter_next(
d6e69534
PP
1368 bt_self_message_iterator *self_msg_iter,
1369 bt_message_array_const msgs, uint64_t capacity,
d4393e08 1370 uint64_t *count)
958f7d11 1371{
fdf0b89e 1372 bt_self_message_iterator_status status;
d6e69534
PP
1373 struct muxer_msg_iter *muxer_msg_iter =
1374 bt_self_message_iterator_get_data(self_msg_iter);
b19ff26f 1375 bt_self_component *self_comp = NULL;
958f7d11 1376 struct muxer_comp *muxer_comp = NULL;
958f7d11 1377
d6e69534
PP
1378 BT_ASSERT(muxer_msg_iter);
1379 self_comp = bt_self_message_iterator_borrow_component(
1380 self_msg_iter);
d94d92ac
PP
1381 BT_ASSERT(self_comp);
1382 muxer_comp = bt_self_component_get_data(self_comp);
f6ccaed9 1383 BT_ASSERT(muxer_comp);
d6e69534
PP
1384 BT_LOGV("Muxer component's message iterator's \"next\" method called: "
1385 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1386 "msg-iter-addr=%p",
1387 self_comp, muxer_comp, muxer_msg_iter, self_msg_iter);
fed72692 1388
d6e69534
PP
1389 status = muxer_msg_iter_do_next(muxer_comp, muxer_msg_iter,
1390 msgs, capacity, count);
d4393e08 1391 if (status < 0) {
d6e69534
PP
1392 BT_LOGE("Cannot get next message: "
1393 "comp-addr=%p, muxer-comp-addr=%p, muxer-msg-iter-addr=%p, "
1394 "msg-iter-addr=%p, status=%s",
1395 self_comp, muxer_comp, muxer_msg_iter, self_msg_iter,
bd1a54fe 1396 bt_common_self_message_iterator_status_string(status));
fed72692 1397 } else {
d6e69534 1398 BT_LOGV("Returning from muxer component's message iterator's \"next\" method: "
d4393e08 1399 "status=%s",
bd1a54fe 1400 bt_common_self_message_iterator_status_string(status));
fed72692 1401 }
958f7d11 1402
d4393e08 1403 return status;
958f7d11
PP
1404}
1405
1406BT_HIDDEN
4cdfc5e8 1407bt_self_component_status muxer_input_port_connected(
b19ff26f
PP
1408 bt_self_component_filter *self_comp,
1409 bt_self_component_port_input *self_port,
1410 const bt_port_output *other_port)
958f7d11 1411{
5badd463 1412 bt_self_component_status status;
958f7d11 1413
5badd463
PP
1414 status = add_available_input_port(self_comp);
1415 if (status) {
06a2cb0d
PP
1416 /*
1417 * Only way to report an error later since this
1418 * method does not return anything.
1419 */
5badd463
PP
1420 BT_LOGE("Cannot add one muxer component's input port: "
1421 "status=%s",
1422 bt_self_component_status_string(status));
06a2cb0d
PP
1423 goto end;
1424 }
1425
958f7d11 1426end:
bf55043c 1427 return status;
958f7d11 1428}
b5443165 1429
54bdc1f7
PP
1430static inline
1431bt_bool muxer_upstream_msg_iters_can_all_seek_beginning(
1432 GPtrArray *muxer_upstream_msg_iters)
b5443165 1433{
b5443165
PP
1434 uint64_t i;
1435 bt_bool ret = BT_TRUE;
1436
54bdc1f7 1437 for (i = 0; i < muxer_upstream_msg_iters->len; i++) {
b5443165 1438 struct muxer_upstream_msg_iter *upstream_msg_iter =
54bdc1f7 1439 muxer_upstream_msg_iters->pdata[i];
b5443165
PP
1440
1441 if (!bt_self_component_port_input_message_iterator_can_seek_beginning(
1442 upstream_msg_iter->msg_iter)) {
1443 ret = BT_FALSE;
1444 goto end;
1445 }
1446 }
1447
1448end:
1449 return ret;
1450}
1451
54bdc1f7
PP
1452BT_HIDDEN
1453bt_bool muxer_msg_iter_can_seek_beginning(
1454 bt_self_message_iterator *self_msg_iter)
1455{
1456 struct muxer_msg_iter *muxer_msg_iter =
1457 bt_self_message_iterator_get_data(self_msg_iter);
1458 bt_bool ret = BT_TRUE;
1459
1460 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1461 muxer_msg_iter->active_muxer_upstream_msg_iters)) {
1462 ret = BT_FALSE;
1463 goto end;
1464 }
1465
1466 if (!muxer_upstream_msg_iters_can_all_seek_beginning(
1467 muxer_msg_iter->ended_muxer_upstream_msg_iters)) {
1468 ret = BT_FALSE;
1469 goto end;
1470 }
1471
1472end:
1473 return ret;
1474}
1475
b5443165
PP
1476BT_HIDDEN
1477bt_self_message_iterator_status muxer_msg_iter_seek_beginning(
1478 bt_self_message_iterator *self_msg_iter)
1479{
1480 struct muxer_msg_iter *muxer_msg_iter =
1481 bt_self_message_iterator_get_data(self_msg_iter);
ffb12c4f 1482 bt_message_iterator_status status = BT_MESSAGE_ITERATOR_STATUS_OK;
b5443165
PP
1483 uint64_t i;
1484
54bdc1f7
PP
1485 /* Seek all ended upstream iterators first */
1486 for (i = 0; i < muxer_msg_iter->ended_muxer_upstream_msg_iters->len;
1487 i++) {
b5443165 1488 struct muxer_upstream_msg_iter *upstream_msg_iter =
54bdc1f7 1489 muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i];
b5443165
PP
1490
1491 status = bt_self_component_port_input_message_iterator_seek_beginning(
1492 upstream_msg_iter->msg_iter);
1493 if (status != BT_MESSAGE_ITERATOR_STATUS_OK) {
1494 goto end;
1495 }
54bdc1f7
PP
1496
1497 empty_message_queue(upstream_msg_iter);
1498 }
1499
1500 /* Seek all previously active upstream iterators */
1501 for (i = 0; i < muxer_msg_iter->active_muxer_upstream_msg_iters->len;
1502 i++) {
1503 struct muxer_upstream_msg_iter *upstream_msg_iter =
1504 muxer_msg_iter->active_muxer_upstream_msg_iters->pdata[i];
1505
1506 status = bt_self_component_port_input_message_iterator_seek_beginning(
1507 upstream_msg_iter->msg_iter);
1508 if (status != BT_MESSAGE_ITERATOR_STATUS_OK) {
1509 goto end;
1510 }
1511
1512 empty_message_queue(upstream_msg_iter);
1513 }
1514
1515 /* Make them all active */
1516 for (i = 0; i < muxer_msg_iter->ended_muxer_upstream_msg_iters->len;
1517 i++) {
1518 struct muxer_upstream_msg_iter *upstream_msg_iter =
1519 muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i];
1520
1521 g_ptr_array_add(muxer_msg_iter->active_muxer_upstream_msg_iters,
1522 upstream_msg_iter);
1523 muxer_msg_iter->ended_muxer_upstream_msg_iters->pdata[i] = NULL;
b5443165
PP
1524 }
1525
54bdc1f7
PP
1526 g_ptr_array_remove_range(muxer_msg_iter->ended_muxer_upstream_msg_iters,
1527 0, muxer_msg_iter->ended_muxer_upstream_msg_iters->len);
b5443165 1528 muxer_msg_iter->last_returned_ts_ns = INT64_MIN;
54bdc1f7
PP
1529 muxer_msg_iter->clock_class_expectation =
1530 MUXER_MSG_ITER_CLOCK_CLASS_EXPECTATION_ANY;
b5443165
PP
1531
1532end:
ffb12c4f 1533 return (bt_self_message_iterator_status) status;
b5443165 1534}
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