Fix: set intersections hashtable to NULL after destruction
[babeltrace.git] / plugins / utils / trimmer / iterator.c
CommitLineData
cab3f160
JG
1/*
2 * iterator.c
3 *
4 * Babeltrace Trace Trimmer Iterator
5 *
6 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
7 *
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * SOFTWARE.
27 */
28
b4565e8b
PP
29#define BT_LOG_TAG "PLUGIN-UTILS-TRIMMER-FLT"
30#include "logging.h"
31
58a2480d 32#include <babeltrace/compat/time-internal.h>
3d2f08e7 33#include <babeltrace/compat/utc-internal.h>
b2e0c907
PP
34#include <babeltrace/graph/notification-iterator.h>
35#include <babeltrace/graph/private-notification-iterator.h>
36#include <babeltrace/graph/notification.h>
37#include <babeltrace/graph/notification-event.h>
38#include <babeltrace/graph/notification-stream.h>
39#include <babeltrace/graph/notification-packet.h>
40#include <babeltrace/graph/component-filter.h>
41#include <babeltrace/graph/private-component-filter.h>
42#include <babeltrace/graph/private-port.h>
43#include <babeltrace/graph/private-connection.h>
44#include <babeltrace/graph/private-component.h>
73d5c1ad 45#include <babeltrace/graph/connection.h>
44d3cbf0
JG
46#include <babeltrace/ctf-ir/event.h>
47#include <babeltrace/ctf-ir/stream.h>
48#include <babeltrace/ctf-ir/stream-class.h>
ac0c6bdd 49#include <babeltrace/ctf-ir/clock-class.h>
44d3cbf0
JG
50#include <babeltrace/ctf-ir/packet.h>
51#include <babeltrace/ctf-ir/trace.h>
72208f03 52#include <babeltrace/ctf-ir/fields.h>
44d3cbf0 53#include <assert.h>
8b0ce102 54#include <plugins-common.h>
44d3cbf0 55
19ce87a4
JD
56#include "trimmer.h"
57#include "iterator.h"
58#include "copy.h"
59
86e20162
JD
60static
61gboolean close_packets(gpointer key, gpointer value, gpointer user_data)
62{
63 struct bt_ctf_packet *writer_packet = value;
64
65 bt_put(writer_packet);
66 return TRUE;
67}
68
d3eb6e8f 69BT_HIDDEN
64cadc66 70void trimmer_iterator_finalize(struct bt_private_notification_iterator *it)
44d3cbf0 71{
86e20162 72 struct trimmer_iterator *trim_it;
44d3cbf0 73
86e20162
JD
74 trim_it = bt_private_notification_iterator_get_user_data(it);
75 assert(trim_it);
44d3cbf0 76
86e20162
JD
77 bt_put(trim_it->input_iterator);
78 g_hash_table_foreach_remove(trim_it->packet_map,
79 close_packets, NULL);
80 g_hash_table_destroy(trim_it->packet_map);
81 g_free(trim_it);
44d3cbf0 82}
cab3f160
JG
83
84BT_HIDDEN
d3eb6e8f 85enum bt_notification_iterator_status trimmer_iterator_init(
91457551
PP
86 struct bt_private_notification_iterator *iterator,
87 struct bt_private_port *port)
cab3f160 88{
d3eb6e8f
PP
89 enum bt_notification_iterator_status ret =
90 BT_NOTIFICATION_ITERATOR_STATUS_OK;
cab3f160 91 enum bt_notification_iterator_status it_ret;
73d5c1ad 92 enum bt_connection_status conn_status;
890882ef
PP
93 struct bt_private_port *input_port = NULL;
94 struct bt_private_connection *connection = NULL;
91457551
PP
95 struct bt_private_component *component =
96 bt_private_notification_iterator_get_private_component(iterator);
44d3cbf0 97 struct trimmer_iterator *it_data = g_new0(struct trimmer_iterator, 1);
5fc02ebc
JD
98 static const enum bt_notification_type notif_types[] = {
99 BT_NOTIFICATION_TYPE_EVENT,
100 BT_NOTIFICATION_TYPE_STREAM_END,
101 BT_NOTIFICATION_TYPE_PACKET_BEGIN,
102 BT_NOTIFICATION_TYPE_PACKET_END,
103 BT_NOTIFICATION_TYPE_SENTINEL,
104 };
44d3cbf0
JG
105
106 if (!it_data) {
d3eb6e8f 107 ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM;
44d3cbf0
JG
108 goto end;
109 }
110
99cdb69e 111 /* Create a new iterator on the upstream component. */
b9d103be
PP
112 input_port = bt_private_component_filter_get_input_private_port_by_name(
113 component, "in");
99cdb69e 114 assert(input_port);
890882ef 115 connection = bt_private_port_get_private_connection(input_port);
99cdb69e
JG
116 assert(connection);
117
73d5c1ad
PP
118 conn_status = bt_private_connection_create_notification_iterator(connection,
119 notif_types, &it_data->input_iterator);
120 if (conn_status != BT_CONNECTION_STATUS_OK) {
121 ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
99cdb69e
JG
122 goto end;
123 }
124
19ce87a4
JD
125 it_data->err = stderr;
126 it_data->packet_map = g_hash_table_new_full(g_direct_hash,
127 g_direct_equal, NULL, NULL);
128
890882ef
PP
129 it_ret = bt_private_notification_iterator_set_user_data(iterator,
130 it_data);
44d3cbf0
JG
131 if (it_ret) {
132 goto end;
133 }
cab3f160 134end:
91457551 135 bt_put(component);
99cdb69e
JG
136 bt_put(connection);
137 bt_put(input_port);
cab3f160
JG
138 return ret;
139}
140
528debdf
MD
141static
142int update_lazy_bound(struct trimmer_bound *bound, const char *name,
55595636 143 int64_t ts, bool *lazy_update)
528debdf
MD
144{
145 struct tm tm;
146 int64_t value;
147 time_t timeval;
148
55595636
MD
149 *lazy_update = false;
150
528debdf
MD
151 if (!bound->lazy) {
152 return 0;
153 }
154 tm.tm_isdst = -1;
155 timeval = ts / NSEC_PER_SEC;
156
157 if (bound->lazy_values.gmt) {
158 /* Get day, month, year. */
58a2480d 159 if (!bt_gmtime_r(&timeval, &tm)) {
b4565e8b 160 BT_LOGE_STR("Failure in bt_gmtime_r()");
528debdf
MD
161 goto error;
162 }
163 tm.tm_sec = bound->lazy_values.ss;
164 tm.tm_min = bound->lazy_values.mm;
165 tm.tm_hour = bound->lazy_values.hh;
3d2f08e7 166 timeval = bt_timegm(&tm);
528debdf 167 if (timeval < 0) {
b4565e8b 168 BT_LOGE("Failure in bt_timegm(), incorrectly formatted %s timestamp",
55595636 169 name);
528debdf
MD
170 goto error;
171 }
172 } else {
173 /* Get day, month, year. */
58a2480d 174 if (!bt_localtime_r(&timeval, &tm)) {
b4565e8b 175 BT_LOGE_STR("Failure in bt_localtime_r()");
528debdf
MD
176 goto error;
177 }
178 tm.tm_sec = bound->lazy_values.ss;
179 tm.tm_min = bound->lazy_values.mm;
180 tm.tm_hour = bound->lazy_values.hh;
181 timeval = mktime(&tm);
182 if (timeval < 0) {
b4565e8b 183 BT_LOGE("Failure in mktime(), incorrectly formatted %s timestamp",
528debdf
MD
184 name);
185 goto error;
186 }
187 }
188 value = (int64_t) timeval;
189 value *= NSEC_PER_SEC;
190 value += bound->lazy_values.ns;
191 bound->value = value;
192 bound->set = true;
193 bound->lazy = false;
55595636 194 *lazy_update = true;
528debdf
MD
195 return 0;
196
197error:
528debdf
MD
198 return -1;
199}
200
44d3cbf0 201static
19ce87a4
JD
202struct bt_notification *evaluate_event_notification(
203 struct bt_notification *notification,
204 struct trimmer_iterator *trim_it,
55595636 205 struct trimmer_bound *begin, struct trimmer_bound *end,
907b1704 206 bool *_event_in_range, bool *finished)
44d3cbf0 207{
72208f03
JG
208 int64_t ts;
209 int clock_ret;
19ce87a4 210 struct bt_ctf_event *event = NULL, *writer_event;
72208f03 211 bool in_range = true;
ac0c6bdd 212 struct bt_ctf_clock_class *clock_class = NULL;
72208f03 213 struct bt_ctf_trace *trace = NULL;
44d3cbf0 214 struct bt_ctf_stream *stream = NULL;
72208f03
JG
215 struct bt_ctf_stream_class *stream_class = NULL;
216 struct bt_ctf_clock_value *clock_value = NULL;
55595636 217 bool lazy_update = false;
19ce87a4
JD
218 struct bt_notification *new_notification = NULL;
219 struct bt_clock_class_priority_map *cc_prio_map;
44d3cbf0 220
72208f03
JG
221 event = bt_notification_event_get_event(notification);
222 assert(event);
19ce87a4
JD
223 cc_prio_map = bt_notification_event_get_clock_class_priority_map(
224 notification);
225 assert(cc_prio_map);
226 writer_event = trimmer_output_event(trim_it, event);
227 assert(writer_event);
228 new_notification = bt_notification_event_create(writer_event, cc_prio_map);
229 assert(new_notification);
230 bt_put(cc_prio_map);
44d3cbf0 231
72208f03
JG
232 stream = bt_ctf_event_get_stream(event);
233 assert(stream);
44d3cbf0 234
72208f03
JG
235 stream_class = bt_ctf_stream_get_class(stream);
236 assert(stream_class);
237
238 trace = bt_ctf_stream_class_get_trace(stream_class);
239 assert(trace);
240
241 /* FIXME multi-clock? */
9ac68eb1 242 clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0);
ac0c6bdd 243 if (!clock_class) {
72208f03 244 goto end;
44d3cbf0 245 }
44d3cbf0 246
ac0c6bdd 247 clock_value = bt_ctf_event_get_clock_value(event, clock_class);
72208f03 248 if (!clock_value) {
b4565e8b 249 BT_LOGE_STR("Failed to retrieve clock value");
19ce87a4 250 goto error;
44d3cbf0 251 }
72208f03
JG
252
253 clock_ret = bt_ctf_clock_value_get_value_ns_from_epoch(
254 clock_value, &ts);
255 if (clock_ret) {
b4565e8b 256 BT_LOGE_STR("Failed to retrieve clock value timestamp");
19ce87a4 257 goto error;
44d3cbf0 258 }
55595636 259 if (update_lazy_bound(begin, "begin", ts, &lazy_update)) {
528debdf
MD
260 goto end;
261 }
55595636 262 if (update_lazy_bound(end, "end", ts, &lazy_update)) {
528debdf
MD
263 goto end;
264 }
55595636
MD
265 if (lazy_update && begin->set && end->set) {
266 if (begin->value > end->value) {
b4565e8b 267 BT_LOGE_STR("Unexpected: time range begin value is above end value");
19ce87a4 268 goto error;
55595636
MD
269 }
270 }
72208f03
JG
271 if (begin->set && ts < begin->value) {
272 in_range = false;
273 }
274 if (end->set && ts > end->value) {
275 in_range = false;
907b1704 276 *finished = true;
72208f03 277 }
19ce87a4
JD
278
279 goto end;
280
281error:
282 BT_PUT(new_notification);
44d3cbf0 283end:
72208f03 284 bt_put(event);
19ce87a4 285 bt_put(writer_event);
ac0c6bdd 286 bt_put(clock_class);
72208f03
JG
287 bt_put(trace);
288 bt_put(stream);
289 bt_put(stream_class);
290 bt_put(clock_value);
55595636 291 *_event_in_range = in_range;
19ce87a4 292 return new_notification;
44d3cbf0
JG
293}
294
44d3cbf0 295static
72208f03 296int ns_from_integer_field(struct bt_ctf_field *integer, int64_t *ns)
44d3cbf0 297{
72208f03
JG
298 int ret = 0;
299 int is_signed;
300 uint64_t raw_clock_value;
301 struct bt_ctf_field_type *integer_type = NULL;
ac0c6bdd 302 struct bt_ctf_clock_class *clock_class = NULL;
44d3cbf0
JG
303 struct bt_ctf_clock_value *clock_value = NULL;
304
72208f03
JG
305 integer_type = bt_ctf_field_get_type(integer);
306 assert(integer_type);
ac0c6bdd
PP
307 clock_class = bt_ctf_field_type_integer_get_mapped_clock_class(
308 integer_type);
309 if (!clock_class) {
72208f03 310 ret = -1;
44d3cbf0
JG
311 goto end;
312 }
313
72208f03
JG
314 is_signed = bt_ctf_field_type_integer_get_signed(integer_type);
315 if (!is_signed) {
316 ret = bt_ctf_field_unsigned_integer_get_value(integer,
317 &raw_clock_value);
318 if (ret) {
44d3cbf0
JG
319 goto end;
320 }
72208f03
JG
321 } else {
322 /* Signed clock values are unsupported. */
a8e317ff 323 ret = -1;
72208f03
JG
324 goto end;
325 }
44d3cbf0 326
ac0c6bdd 327 clock_value = bt_ctf_clock_value_create(clock_class, raw_clock_value);
72208f03
JG
328 if (!clock_value) {
329 goto end;
330 }
44d3cbf0 331
72208f03
JG
332 ret = bt_ctf_clock_value_get_value_ns_from_epoch(clock_value, ns);
333end:
334 bt_put(integer_type);
ac0c6bdd 335 bt_put(clock_class);
72208f03
JG
336 bt_put(clock_value);
337 return ret;
338}
44d3cbf0 339
19ce87a4
JD
340static uint64_t ns_from_value(uint64_t frequency, uint64_t value)
341{
342 uint64_t ns;
343
344 if (frequency == NSEC_PER_SEC) {
345 ns = value;
346 } else {
347 ns = (uint64_t) ((1e9 * (double) value) / (double) frequency);
348 }
349
350 return ns;
351}
352
353/*
354 * timestamp minus the offset.
355 */
72208f03 356static
19ce87a4
JD
357int64_t get_raw_timestamp(struct bt_ctf_packet *writer_packet,
358 int64_t timestamp)
359{
360 struct bt_ctf_clock_class *writer_clock_class;
361 int64_t sec_offset, cycles_offset, ns;
362 struct bt_ctf_trace *writer_trace;
363 struct bt_ctf_stream *writer_stream;
364 struct bt_ctf_stream_class *writer_stream_class;
365 int ret;
366 uint64_t freq;
367
368 writer_stream = bt_ctf_packet_get_stream(writer_packet);
369 assert(writer_stream);
370
371 writer_stream_class = bt_ctf_stream_get_class(writer_stream);
372 assert(writer_stream_class);
373
374 writer_trace = bt_ctf_stream_class_get_trace(writer_stream_class);
375 assert(writer_trace);
376
377 /* FIXME multi-clock? */
9ac68eb1
PP
378 writer_clock_class = bt_ctf_trace_get_clock_class_by_index(
379 writer_trace, 0);
19ce87a4
JD
380 assert(writer_clock_class);
381
382 ret = bt_ctf_clock_class_get_offset_s(writer_clock_class, &sec_offset);
383 assert(!ret);
384 ns = sec_offset * NSEC_PER_SEC;
385
386 freq = bt_ctf_clock_class_get_frequency(writer_clock_class);
387 assert(freq != -1ULL);
388
389 ret = bt_ctf_clock_class_get_offset_cycles(writer_clock_class, &cycles_offset);
390 assert(!ret);
391
392 ns += ns_from_value(freq, cycles_offset);
393
394 bt_put(writer_clock_class);
395 bt_put(writer_trace);
396 bt_put(writer_stream_class);
397 bt_put(writer_stream);
398
399 return timestamp - ns;
400}
401
402static
403struct bt_notification *evaluate_packet_notification(
55595636 404 struct bt_notification *notification,
19ce87a4 405 struct trimmer_iterator *trim_it,
55595636 406 struct trimmer_bound *begin, struct trimmer_bound *end,
907b1704 407 bool *_packet_in_range, bool *finished)
72208f03 408{
72208f03
JG
409 int64_t begin_ns, pkt_begin_ns, end_ns, pkt_end_ns;
410 bool in_range = true;
19ce87a4 411 struct bt_ctf_packet *packet = NULL, *writer_packet = NULL;
72208f03
JG
412 struct bt_ctf_field *packet_context = NULL,
413 *timestamp_begin = NULL,
414 *timestamp_end = NULL;
19ce87a4
JD
415 struct bt_notification *new_notification = NULL;
416 enum bt_component_status ret;
417 bool lazy_update = false;
72208f03
JG
418
419 switch (bt_notification_get_type(notification)) {
420 case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
421 packet = bt_notification_packet_begin_get_packet(notification);
19ce87a4
JD
422 assert(packet);
423 writer_packet = trimmer_new_packet(trim_it, packet);
424 assert(writer_packet);
44d3cbf0 425 break;
72208f03
JG
426 case BT_NOTIFICATION_TYPE_PACKET_END:
427 packet = bt_notification_packet_end_get_packet(notification);
19ce87a4
JD
428 assert(packet);
429 writer_packet = trimmer_close_packet(trim_it, packet);
430 assert(writer_packet);
72208f03
JG
431 break;
432 default:
19ce87a4 433 goto end;
44d3cbf0 434 }
72208f03 435
19ce87a4 436 packet_context = bt_ctf_packet_get_context(writer_packet);
72208f03 437 if (!packet_context) {
19ce87a4 438 goto end_no_notif;
72208f03
JG
439 }
440
441 if (!bt_ctf_field_is_structure(packet_context)) {
19ce87a4 442 goto end_no_notif;
72208f03
JG
443 }
444
445 timestamp_begin = bt_ctf_field_structure_get_field(
446 packet_context, "timestamp_begin");
447 if (!timestamp_begin || !bt_ctf_field_is_integer(timestamp_begin)) {
19ce87a4 448 goto end_no_notif;
72208f03
JG
449 }
450 timestamp_end = bt_ctf_field_structure_get_field(
451 packet_context, "timestamp_end");
452 if (!timestamp_end || !bt_ctf_field_is_integer(timestamp_end)) {
19ce87a4 453 goto end_no_notif;
72208f03
JG
454 }
455
55595636 456 if (ns_from_integer_field(timestamp_begin, &pkt_begin_ns)) {
19ce87a4 457 goto end_no_notif;
72208f03 458 }
55595636 459 if (ns_from_integer_field(timestamp_end, &pkt_end_ns)) {
19ce87a4
JD
460 goto end_no_notif;
461 }
462
463 if (update_lazy_bound(begin, "begin", pkt_begin_ns, &lazy_update)) {
464 goto end_no_notif;
465 }
466 if (update_lazy_bound(end, "end", pkt_end_ns, &lazy_update)) {
467 goto end_no_notif;
468 }
469 if (lazy_update && begin->set && end->set) {
470 if (begin->value > end->value) {
b4565e8b 471 BT_LOGE_STR("Unexpected: time range begin value is above end value");
19ce87a4
JD
472 goto end_no_notif;
473 }
72208f03
JG
474 }
475
476 begin_ns = begin->set ? begin->value : INT64_MIN;
477 end_ns = end->set ? end->value : INT64_MAX;
478
479 /*
480 * Accept if there is any overlap between the selected region and the
481 * packet.
482 */
483 in_range = (pkt_end_ns >= begin_ns) && (pkt_begin_ns <= end_ns);
19ce87a4
JD
484 if (!in_range) {
485 goto end_no_notif;
486 }
907b1704
JD
487 if (pkt_begin_ns > end_ns) {
488 *finished = true;
489 }
19ce87a4
JD
490
491 if (begin_ns > pkt_begin_ns) {
492 ret = update_packet_context_field(trim_it->err, writer_packet,
493 "timestamp_begin",
494 get_raw_timestamp(writer_packet, begin_ns));
495 assert(!ret);
496 }
497
498 if (end_ns < pkt_end_ns) {
499 ret = update_packet_context_field(trim_it->err, writer_packet,
500 "timestamp_end",
501 get_raw_timestamp(writer_packet, end_ns));
502 assert(!ret);
503 }
504
72208f03 505end:
19ce87a4
JD
506 switch (bt_notification_get_type(notification)) {
507 case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
508 new_notification = bt_notification_packet_begin_create(writer_packet);
509 assert(new_notification);
510 break;
511 case BT_NOTIFICATION_TYPE_PACKET_END:
512 new_notification = bt_notification_packet_end_create(writer_packet);
513 assert(new_notification);
514 break;
515 default:
516 break;
517 }
518end_no_notif:
55595636 519 *_packet_in_range = in_range;
72208f03 520 bt_put(packet);
19ce87a4 521 bt_put(writer_packet);
72208f03
JG
522 bt_put(packet_context);
523 bt_put(timestamp_begin);
524 bt_put(timestamp_end);
19ce87a4
JD
525 return new_notification;
526}
527
528static
529struct bt_notification *evaluate_stream_notification(
530 struct bt_notification *notification,
531 struct trimmer_iterator *trim_it)
532{
533 struct bt_ctf_stream *stream;
534
535 stream = bt_notification_stream_end_get_stream(notification);
536 assert(stream);
537
538 /* FIXME: useless copy */
539 return bt_notification_stream_end_create(stream);
72208f03
JG
540}
541
542/* Return true if the notification should be forwarded. */
543static
55595636 544enum bt_notification_iterator_status evaluate_notification(
19ce87a4
JD
545 struct bt_notification **notification,
546 struct trimmer_iterator *trim_it,
55595636
MD
547 struct trimmer_bound *begin, struct trimmer_bound *end,
548 bool *in_range)
72208f03 549{
72208f03 550 enum bt_notification_type type;
19ce87a4 551 struct bt_notification *new_notification = NULL;
907b1704 552 bool finished = false;
72208f03 553
b61397c4 554 *in_range = true;
19ce87a4 555 type = bt_notification_get_type(*notification);
72208f03
JG
556 switch (type) {
557 case BT_NOTIFICATION_TYPE_EVENT:
19ce87a4 558 new_notification = evaluate_event_notification(*notification,
907b1704 559 trim_it, begin, end, in_range, &finished);
72208f03
JG
560 break;
561 case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
562 case BT_NOTIFICATION_TYPE_PACKET_END:
19ce87a4 563 new_notification = evaluate_packet_notification(*notification,
907b1704 564 trim_it, begin, end, in_range, &finished);
19ce87a4
JD
565 break;
566 case BT_NOTIFICATION_TYPE_STREAM_END:
567 new_notification = evaluate_stream_notification(*notification,
568 trim_it);
72208f03 569 break;
44d3cbf0 570 default:
5fc02ebc 571 puts("Unhandled notification type");
44d3cbf0
JG
572 break;
573 }
19ce87a4
JD
574 BT_PUT(*notification);
575 *notification = new_notification;
576
907b1704
JD
577 if (finished) {
578 return BT_NOTIFICATION_ITERATOR_STATUS_END;
579 }
580
19ce87a4 581 return BT_NOTIFICATION_ITERATOR_STATUS_OK;
cab3f160
JG
582}
583
584BT_HIDDEN
41a2b7ae 585struct bt_notification_iterator_next_return trimmer_iterator_next(
890882ef 586 struct bt_private_notification_iterator *iterator)
cab3f160 587{
44d3cbf0 588 struct trimmer_iterator *trim_it = NULL;
890882ef 589 struct bt_private_component *component = NULL;
44d3cbf0
JG
590 struct trimmer *trimmer = NULL;
591 struct bt_notification_iterator *source_it = NULL;
41a2b7ae
PP
592 struct bt_notification_iterator_next_return ret = {
593 .status = BT_NOTIFICATION_ITERATOR_STATUS_OK,
594 .notification = NULL,
595 };
72208f03 596 bool notification_in_range = false;
cab3f160 597
890882ef 598 trim_it = bt_private_notification_iterator_get_user_data(iterator);
44d3cbf0
JG
599 assert(trim_it);
600
890882ef
PP
601 component = bt_private_notification_iterator_get_private_component(
602 iterator);
44d3cbf0 603 assert(component);
890882ef 604 trimmer = bt_private_component_get_user_data(component);
44d3cbf0
JG
605 assert(trimmer);
606
99cdb69e
JG
607 source_it = trim_it->input_iterator;
608 assert(source_it);
44d3cbf0 609
72208f03 610 while (!notification_in_range) {
41a2b7ae
PP
611 ret.status = bt_notification_iterator_next(source_it);
612 if (ret.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) {
44d3cbf0
JG
613 goto end;
614 }
615
41a2b7ae 616 ret.notification = bt_notification_iterator_get_notification(
44d3cbf0 617 source_it);
41a2b7ae
PP
618 if (!ret.notification) {
619 ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
44d3cbf0
JG
620 goto end;
621 }
622
19ce87a4 623 ret.status = evaluate_notification(&ret.notification, trim_it,
55595636
MD
624 &trimmer->begin, &trimmer->end,
625 &notification_in_range);
41a2b7ae 626 if (!notification_in_range) {
19ce87a4 627 BT_PUT(ret.notification);
44d3cbf0 628 }
6d5f6792 629
41a2b7ae 630 if (ret.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) {
6d5f6792
JG
631 break;
632 }
44d3cbf0 633 }
cab3f160 634end:
44d3cbf0 635 bt_put(component);
cab3f160
JG
636 return ret;
637}
638
639BT_HIDDEN
640enum bt_notification_iterator_status trimmer_iterator_seek_time(
890882ef
PP
641 struct bt_private_notification_iterator *iterator,
642 int64_t time)
cab3f160 643{
72b913fb 644 return BT_NOTIFICATION_ITERATOR_STATUS_OK;
cab3f160 645}
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