Commit | Line | Data |
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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 | ||
b2e0c907 PP |
29 | #include <babeltrace/graph/notification-iterator.h> |
30 | #include <babeltrace/graph/private-notification-iterator.h> | |
31 | #include <babeltrace/graph/notification.h> | |
32 | #include <babeltrace/graph/notification-event.h> | |
33 | #include <babeltrace/graph/notification-stream.h> | |
34 | #include <babeltrace/graph/notification-packet.h> | |
35 | #include <babeltrace/graph/component-filter.h> | |
36 | #include <babeltrace/graph/private-component-filter.h> | |
37 | #include <babeltrace/graph/private-port.h> | |
38 | #include <babeltrace/graph/private-connection.h> | |
39 | #include <babeltrace/graph/private-component.h> | |
44d3cbf0 JG |
40 | #include <babeltrace/ctf-ir/event.h> |
41 | #include <babeltrace/ctf-ir/stream.h> | |
42 | #include <babeltrace/ctf-ir/stream-class.h> | |
ac0c6bdd | 43 | #include <babeltrace/ctf-ir/clock-class.h> |
44d3cbf0 JG |
44 | #include <babeltrace/ctf-ir/packet.h> |
45 | #include <babeltrace/ctf-ir/trace.h> | |
72208f03 | 46 | #include <babeltrace/ctf-ir/fields.h> |
44d3cbf0 | 47 | #include <assert.h> |
8b0ce102 | 48 | #include <plugins-common.h> |
44d3cbf0 | 49 | |
19ce87a4 JD |
50 | #include "trimmer.h" |
51 | #include "iterator.h" | |
52 | #include "copy.h" | |
53 | ||
86e20162 JD |
54 | static |
55 | gboolean close_packets(gpointer key, gpointer value, gpointer user_data) | |
56 | { | |
57 | struct bt_ctf_packet *writer_packet = value; | |
58 | ||
59 | bt_put(writer_packet); | |
60 | return TRUE; | |
61 | } | |
62 | ||
d3eb6e8f | 63 | BT_HIDDEN |
64cadc66 | 64 | void trimmer_iterator_finalize(struct bt_private_notification_iterator *it) |
44d3cbf0 | 65 | { |
86e20162 | 66 | struct trimmer_iterator *trim_it; |
44d3cbf0 | 67 | |
86e20162 JD |
68 | trim_it = bt_private_notification_iterator_get_user_data(it); |
69 | assert(trim_it); | |
44d3cbf0 | 70 | |
86e20162 JD |
71 | bt_put(trim_it->input_iterator); |
72 | g_hash_table_foreach_remove(trim_it->packet_map, | |
73 | close_packets, NULL); | |
74 | g_hash_table_destroy(trim_it->packet_map); | |
75 | g_free(trim_it); | |
44d3cbf0 | 76 | } |
cab3f160 JG |
77 | |
78 | BT_HIDDEN | |
d3eb6e8f | 79 | enum bt_notification_iterator_status trimmer_iterator_init( |
91457551 PP |
80 | struct bt_private_notification_iterator *iterator, |
81 | struct bt_private_port *port) | |
cab3f160 | 82 | { |
d3eb6e8f PP |
83 | enum bt_notification_iterator_status ret = |
84 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
cab3f160 | 85 | enum bt_notification_iterator_status it_ret; |
890882ef PP |
86 | struct bt_private_port *input_port = NULL; |
87 | struct bt_private_connection *connection = NULL; | |
91457551 PP |
88 | struct bt_private_component *component = |
89 | bt_private_notification_iterator_get_private_component(iterator); | |
44d3cbf0 | 90 | struct trimmer_iterator *it_data = g_new0(struct trimmer_iterator, 1); |
5fc02ebc JD |
91 | static const enum bt_notification_type notif_types[] = { |
92 | BT_NOTIFICATION_TYPE_EVENT, | |
93 | BT_NOTIFICATION_TYPE_STREAM_END, | |
94 | BT_NOTIFICATION_TYPE_PACKET_BEGIN, | |
95 | BT_NOTIFICATION_TYPE_PACKET_END, | |
96 | BT_NOTIFICATION_TYPE_SENTINEL, | |
97 | }; | |
44d3cbf0 JG |
98 | |
99 | if (!it_data) { | |
d3eb6e8f | 100 | ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; |
44d3cbf0 JG |
101 | goto end; |
102 | } | |
103 | ||
99cdb69e | 104 | /* Create a new iterator on the upstream component. */ |
b9d103be PP |
105 | input_port = bt_private_component_filter_get_input_private_port_by_name( |
106 | component, "in"); | |
99cdb69e | 107 | assert(input_port); |
890882ef | 108 | connection = bt_private_port_get_private_connection(input_port); |
99cdb69e JG |
109 | assert(connection); |
110 | ||
890882ef | 111 | it_data->input_iterator = |
fa054faf | 112 | bt_private_connection_create_notification_iterator(connection, |
5fc02ebc | 113 | notif_types); |
99cdb69e JG |
114 | if (!it_data->input_iterator) { |
115 | ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; | |
116 | goto end; | |
117 | } | |
118 | ||
19ce87a4 JD |
119 | it_data->err = stderr; |
120 | it_data->packet_map = g_hash_table_new_full(g_direct_hash, | |
121 | g_direct_equal, NULL, NULL); | |
122 | ||
890882ef PP |
123 | it_ret = bt_private_notification_iterator_set_user_data(iterator, |
124 | it_data); | |
44d3cbf0 JG |
125 | if (it_ret) { |
126 | goto end; | |
127 | } | |
cab3f160 | 128 | end: |
91457551 | 129 | bt_put(component); |
99cdb69e JG |
130 | bt_put(connection); |
131 | bt_put(input_port); | |
cab3f160 JG |
132 | return ret; |
133 | } | |
134 | ||
528debdf MD |
135 | static |
136 | int update_lazy_bound(struct trimmer_bound *bound, const char *name, | |
55595636 | 137 | int64_t ts, bool *lazy_update) |
528debdf MD |
138 | { |
139 | struct tm tm; | |
140 | int64_t value; | |
141 | time_t timeval; | |
142 | ||
55595636 MD |
143 | *lazy_update = false; |
144 | ||
528debdf MD |
145 | if (!bound->lazy) { |
146 | return 0; | |
147 | } | |
148 | tm.tm_isdst = -1; | |
149 | timeval = ts / NSEC_PER_SEC; | |
150 | ||
151 | if (bound->lazy_values.gmt) { | |
152 | /* Get day, month, year. */ | |
153 | if (!gmtime_r(&timeval, &tm)) { | |
55595636 | 154 | printf_error("Failure in gmtime_r()"); |
528debdf MD |
155 | goto error; |
156 | } | |
157 | tm.tm_sec = bound->lazy_values.ss; | |
158 | tm.tm_min = bound->lazy_values.mm; | |
159 | tm.tm_hour = bound->lazy_values.hh; | |
160 | timeval = timegm(&tm); | |
161 | if (timeval < 0) { | |
55595636 MD |
162 | printf_error("Failure in timegm(), incorrectly formatted %s timestamp", |
163 | name); | |
528debdf MD |
164 | goto error; |
165 | } | |
166 | } else { | |
167 | /* Get day, month, year. */ | |
168 | if (!localtime_r(&timeval, &tm)) { | |
55595636 | 169 | printf_error("Failure in localtime_r()"); |
528debdf MD |
170 | goto error; |
171 | } | |
172 | tm.tm_sec = bound->lazy_values.ss; | |
173 | tm.tm_min = bound->lazy_values.mm; | |
174 | tm.tm_hour = bound->lazy_values.hh; | |
175 | timeval = mktime(&tm); | |
176 | if (timeval < 0) { | |
55595636 | 177 | printf_error("Failure in mktime(), incorrectly formatted %s timestamp", |
528debdf MD |
178 | name); |
179 | goto error; | |
180 | } | |
181 | } | |
182 | value = (int64_t) timeval; | |
183 | value *= NSEC_PER_SEC; | |
184 | value += bound->lazy_values.ns; | |
185 | bound->value = value; | |
186 | bound->set = true; | |
187 | bound->lazy = false; | |
55595636 | 188 | *lazy_update = true; |
528debdf MD |
189 | return 0; |
190 | ||
191 | error: | |
528debdf MD |
192 | return -1; |
193 | } | |
194 | ||
44d3cbf0 | 195 | static |
19ce87a4 JD |
196 | struct bt_notification *evaluate_event_notification( |
197 | struct bt_notification *notification, | |
198 | struct trimmer_iterator *trim_it, | |
55595636 | 199 | struct trimmer_bound *begin, struct trimmer_bound *end, |
907b1704 | 200 | bool *_event_in_range, bool *finished) |
44d3cbf0 | 201 | { |
72208f03 JG |
202 | int64_t ts; |
203 | int clock_ret; | |
19ce87a4 | 204 | struct bt_ctf_event *event = NULL, *writer_event; |
72208f03 | 205 | bool in_range = true; |
ac0c6bdd | 206 | struct bt_ctf_clock_class *clock_class = NULL; |
72208f03 | 207 | struct bt_ctf_trace *trace = NULL; |
44d3cbf0 | 208 | struct bt_ctf_stream *stream = NULL; |
72208f03 JG |
209 | struct bt_ctf_stream_class *stream_class = NULL; |
210 | struct bt_ctf_clock_value *clock_value = NULL; | |
55595636 | 211 | bool lazy_update = false; |
19ce87a4 JD |
212 | struct bt_notification *new_notification = NULL; |
213 | struct bt_clock_class_priority_map *cc_prio_map; | |
44d3cbf0 | 214 | |
72208f03 JG |
215 | event = bt_notification_event_get_event(notification); |
216 | assert(event); | |
19ce87a4 JD |
217 | cc_prio_map = bt_notification_event_get_clock_class_priority_map( |
218 | notification); | |
219 | assert(cc_prio_map); | |
220 | writer_event = trimmer_output_event(trim_it, event); | |
221 | assert(writer_event); | |
222 | new_notification = bt_notification_event_create(writer_event, cc_prio_map); | |
223 | assert(new_notification); | |
224 | bt_put(cc_prio_map); | |
44d3cbf0 | 225 | |
72208f03 JG |
226 | stream = bt_ctf_event_get_stream(event); |
227 | assert(stream); | |
44d3cbf0 | 228 | |
72208f03 JG |
229 | stream_class = bt_ctf_stream_get_class(stream); |
230 | assert(stream_class); | |
231 | ||
232 | trace = bt_ctf_stream_class_get_trace(stream_class); | |
233 | assert(trace); | |
234 | ||
235 | /* FIXME multi-clock? */ | |
9ac68eb1 | 236 | clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0); |
ac0c6bdd | 237 | if (!clock_class) { |
72208f03 | 238 | goto end; |
44d3cbf0 | 239 | } |
44d3cbf0 | 240 | |
ac0c6bdd | 241 | clock_value = bt_ctf_event_get_clock_value(event, clock_class); |
72208f03 | 242 | if (!clock_value) { |
55595636 | 243 | printf_error("Failed to retrieve clock value"); |
19ce87a4 | 244 | goto error; |
44d3cbf0 | 245 | } |
72208f03 JG |
246 | |
247 | clock_ret = bt_ctf_clock_value_get_value_ns_from_epoch( | |
248 | clock_value, &ts); | |
249 | if (clock_ret) { | |
55595636 | 250 | printf_error("Failed to retrieve clock value timestamp"); |
19ce87a4 | 251 | goto error; |
44d3cbf0 | 252 | } |
55595636 | 253 | if (update_lazy_bound(begin, "begin", ts, &lazy_update)) { |
528debdf MD |
254 | goto end; |
255 | } | |
55595636 | 256 | if (update_lazy_bound(end, "end", ts, &lazy_update)) { |
528debdf MD |
257 | goto end; |
258 | } | |
55595636 MD |
259 | if (lazy_update && begin->set && end->set) { |
260 | if (begin->value > end->value) { | |
261 | printf_error("Unexpected: time range begin value is above end value"); | |
19ce87a4 | 262 | goto error; |
55595636 MD |
263 | } |
264 | } | |
72208f03 JG |
265 | if (begin->set && ts < begin->value) { |
266 | in_range = false; | |
267 | } | |
268 | if (end->set && ts > end->value) { | |
269 | in_range = false; | |
907b1704 | 270 | *finished = true; |
72208f03 | 271 | } |
19ce87a4 JD |
272 | |
273 | goto end; | |
274 | ||
275 | error: | |
276 | BT_PUT(new_notification); | |
44d3cbf0 | 277 | end: |
72208f03 | 278 | bt_put(event); |
19ce87a4 | 279 | bt_put(writer_event); |
ac0c6bdd | 280 | bt_put(clock_class); |
72208f03 JG |
281 | bt_put(trace); |
282 | bt_put(stream); | |
283 | bt_put(stream_class); | |
284 | bt_put(clock_value); | |
55595636 | 285 | *_event_in_range = in_range; |
19ce87a4 | 286 | return new_notification; |
44d3cbf0 JG |
287 | } |
288 | ||
44d3cbf0 | 289 | static |
72208f03 | 290 | int ns_from_integer_field(struct bt_ctf_field *integer, int64_t *ns) |
44d3cbf0 | 291 | { |
72208f03 JG |
292 | int ret = 0; |
293 | int is_signed; | |
294 | uint64_t raw_clock_value; | |
295 | struct bt_ctf_field_type *integer_type = NULL; | |
ac0c6bdd | 296 | struct bt_ctf_clock_class *clock_class = NULL; |
44d3cbf0 JG |
297 | struct bt_ctf_clock_value *clock_value = NULL; |
298 | ||
72208f03 JG |
299 | integer_type = bt_ctf_field_get_type(integer); |
300 | assert(integer_type); | |
ac0c6bdd PP |
301 | clock_class = bt_ctf_field_type_integer_get_mapped_clock_class( |
302 | integer_type); | |
303 | if (!clock_class) { | |
72208f03 | 304 | ret = -1; |
44d3cbf0 JG |
305 | goto end; |
306 | } | |
307 | ||
72208f03 JG |
308 | is_signed = bt_ctf_field_type_integer_get_signed(integer_type); |
309 | if (!is_signed) { | |
310 | ret = bt_ctf_field_unsigned_integer_get_value(integer, | |
311 | &raw_clock_value); | |
312 | if (ret) { | |
44d3cbf0 JG |
313 | goto end; |
314 | } | |
72208f03 JG |
315 | } else { |
316 | /* Signed clock values are unsupported. */ | |
317 | goto end; | |
318 | } | |
44d3cbf0 | 319 | |
ac0c6bdd | 320 | clock_value = bt_ctf_clock_value_create(clock_class, raw_clock_value); |
72208f03 JG |
321 | if (!clock_value) { |
322 | goto end; | |
323 | } | |
44d3cbf0 | 324 | |
72208f03 JG |
325 | ret = bt_ctf_clock_value_get_value_ns_from_epoch(clock_value, ns); |
326 | end: | |
327 | bt_put(integer_type); | |
ac0c6bdd | 328 | bt_put(clock_class); |
72208f03 JG |
329 | bt_put(clock_value); |
330 | return ret; | |
331 | } | |
44d3cbf0 | 332 | |
19ce87a4 JD |
333 | static uint64_t ns_from_value(uint64_t frequency, uint64_t value) |
334 | { | |
335 | uint64_t ns; | |
336 | ||
337 | if (frequency == NSEC_PER_SEC) { | |
338 | ns = value; | |
339 | } else { | |
340 | ns = (uint64_t) ((1e9 * (double) value) / (double) frequency); | |
341 | } | |
342 | ||
343 | return ns; | |
344 | } | |
345 | ||
346 | /* | |
347 | * timestamp minus the offset. | |
348 | */ | |
72208f03 | 349 | static |
19ce87a4 JD |
350 | int64_t get_raw_timestamp(struct bt_ctf_packet *writer_packet, |
351 | int64_t timestamp) | |
352 | { | |
353 | struct bt_ctf_clock_class *writer_clock_class; | |
354 | int64_t sec_offset, cycles_offset, ns; | |
355 | struct bt_ctf_trace *writer_trace; | |
356 | struct bt_ctf_stream *writer_stream; | |
357 | struct bt_ctf_stream_class *writer_stream_class; | |
358 | int ret; | |
359 | uint64_t freq; | |
360 | ||
361 | writer_stream = bt_ctf_packet_get_stream(writer_packet); | |
362 | assert(writer_stream); | |
363 | ||
364 | writer_stream_class = bt_ctf_stream_get_class(writer_stream); | |
365 | assert(writer_stream_class); | |
366 | ||
367 | writer_trace = bt_ctf_stream_class_get_trace(writer_stream_class); | |
368 | assert(writer_trace); | |
369 | ||
370 | /* FIXME multi-clock? */ | |
9ac68eb1 PP |
371 | writer_clock_class = bt_ctf_trace_get_clock_class_by_index( |
372 | writer_trace, 0); | |
19ce87a4 JD |
373 | assert(writer_clock_class); |
374 | ||
375 | ret = bt_ctf_clock_class_get_offset_s(writer_clock_class, &sec_offset); | |
376 | assert(!ret); | |
377 | ns = sec_offset * NSEC_PER_SEC; | |
378 | ||
379 | freq = bt_ctf_clock_class_get_frequency(writer_clock_class); | |
380 | assert(freq != -1ULL); | |
381 | ||
382 | ret = bt_ctf_clock_class_get_offset_cycles(writer_clock_class, &cycles_offset); | |
383 | assert(!ret); | |
384 | ||
385 | ns += ns_from_value(freq, cycles_offset); | |
386 | ||
387 | bt_put(writer_clock_class); | |
388 | bt_put(writer_trace); | |
389 | bt_put(writer_stream_class); | |
390 | bt_put(writer_stream); | |
391 | ||
392 | return timestamp - ns; | |
393 | } | |
394 | ||
395 | static | |
396 | struct bt_notification *evaluate_packet_notification( | |
55595636 | 397 | struct bt_notification *notification, |
19ce87a4 | 398 | struct trimmer_iterator *trim_it, |
55595636 | 399 | struct trimmer_bound *begin, struct trimmer_bound *end, |
907b1704 | 400 | bool *_packet_in_range, bool *finished) |
72208f03 | 401 | { |
72208f03 JG |
402 | int64_t begin_ns, pkt_begin_ns, end_ns, pkt_end_ns; |
403 | bool in_range = true; | |
19ce87a4 | 404 | struct bt_ctf_packet *packet = NULL, *writer_packet = NULL; |
72208f03 JG |
405 | struct bt_ctf_field *packet_context = NULL, |
406 | *timestamp_begin = NULL, | |
407 | *timestamp_end = NULL; | |
19ce87a4 JD |
408 | struct bt_notification *new_notification = NULL; |
409 | enum bt_component_status ret; | |
410 | bool lazy_update = false; | |
72208f03 JG |
411 | |
412 | switch (bt_notification_get_type(notification)) { | |
413 | case BT_NOTIFICATION_TYPE_PACKET_BEGIN: | |
414 | packet = bt_notification_packet_begin_get_packet(notification); | |
19ce87a4 JD |
415 | assert(packet); |
416 | writer_packet = trimmer_new_packet(trim_it, packet); | |
417 | assert(writer_packet); | |
44d3cbf0 | 418 | break; |
72208f03 JG |
419 | case BT_NOTIFICATION_TYPE_PACKET_END: |
420 | packet = bt_notification_packet_end_get_packet(notification); | |
19ce87a4 JD |
421 | assert(packet); |
422 | writer_packet = trimmer_close_packet(trim_it, packet); | |
423 | assert(writer_packet); | |
72208f03 JG |
424 | break; |
425 | default: | |
19ce87a4 | 426 | goto end; |
44d3cbf0 | 427 | } |
72208f03 | 428 | |
19ce87a4 | 429 | packet_context = bt_ctf_packet_get_context(writer_packet); |
72208f03 | 430 | if (!packet_context) { |
19ce87a4 | 431 | goto end_no_notif; |
72208f03 JG |
432 | } |
433 | ||
434 | if (!bt_ctf_field_is_structure(packet_context)) { | |
19ce87a4 | 435 | goto end_no_notif; |
72208f03 JG |
436 | } |
437 | ||
438 | timestamp_begin = bt_ctf_field_structure_get_field( | |
439 | packet_context, "timestamp_begin"); | |
440 | if (!timestamp_begin || !bt_ctf_field_is_integer(timestamp_begin)) { | |
19ce87a4 | 441 | goto end_no_notif; |
72208f03 JG |
442 | } |
443 | timestamp_end = bt_ctf_field_structure_get_field( | |
444 | packet_context, "timestamp_end"); | |
445 | if (!timestamp_end || !bt_ctf_field_is_integer(timestamp_end)) { | |
19ce87a4 | 446 | goto end_no_notif; |
72208f03 JG |
447 | } |
448 | ||
55595636 | 449 | if (ns_from_integer_field(timestamp_begin, &pkt_begin_ns)) { |
19ce87a4 | 450 | goto end_no_notif; |
72208f03 | 451 | } |
55595636 | 452 | if (ns_from_integer_field(timestamp_end, &pkt_end_ns)) { |
19ce87a4 JD |
453 | goto end_no_notif; |
454 | } | |
455 | ||
456 | if (update_lazy_bound(begin, "begin", pkt_begin_ns, &lazy_update)) { | |
457 | goto end_no_notif; | |
458 | } | |
459 | if (update_lazy_bound(end, "end", pkt_end_ns, &lazy_update)) { | |
460 | goto end_no_notif; | |
461 | } | |
462 | if (lazy_update && begin->set && end->set) { | |
463 | if (begin->value > end->value) { | |
464 | printf_error("Unexpected: time range begin value is above end value"); | |
465 | goto end_no_notif; | |
466 | } | |
72208f03 JG |
467 | } |
468 | ||
469 | begin_ns = begin->set ? begin->value : INT64_MIN; | |
470 | end_ns = end->set ? end->value : INT64_MAX; | |
471 | ||
472 | /* | |
473 | * Accept if there is any overlap between the selected region and the | |
474 | * packet. | |
475 | */ | |
476 | in_range = (pkt_end_ns >= begin_ns) && (pkt_begin_ns <= end_ns); | |
19ce87a4 JD |
477 | if (!in_range) { |
478 | goto end_no_notif; | |
479 | } | |
907b1704 JD |
480 | if (pkt_begin_ns > end_ns) { |
481 | *finished = true; | |
482 | } | |
19ce87a4 JD |
483 | |
484 | if (begin_ns > pkt_begin_ns) { | |
485 | ret = update_packet_context_field(trim_it->err, writer_packet, | |
486 | "timestamp_begin", | |
487 | get_raw_timestamp(writer_packet, begin_ns)); | |
488 | assert(!ret); | |
489 | } | |
490 | ||
491 | if (end_ns < pkt_end_ns) { | |
492 | ret = update_packet_context_field(trim_it->err, writer_packet, | |
493 | "timestamp_end", | |
494 | get_raw_timestamp(writer_packet, end_ns)); | |
495 | assert(!ret); | |
496 | } | |
497 | ||
72208f03 | 498 | end: |
19ce87a4 JD |
499 | switch (bt_notification_get_type(notification)) { |
500 | case BT_NOTIFICATION_TYPE_PACKET_BEGIN: | |
501 | new_notification = bt_notification_packet_begin_create(writer_packet); | |
502 | assert(new_notification); | |
503 | break; | |
504 | case BT_NOTIFICATION_TYPE_PACKET_END: | |
505 | new_notification = bt_notification_packet_end_create(writer_packet); | |
506 | assert(new_notification); | |
507 | break; | |
508 | default: | |
509 | break; | |
510 | } | |
511 | end_no_notif: | |
55595636 | 512 | *_packet_in_range = in_range; |
72208f03 | 513 | bt_put(packet); |
19ce87a4 | 514 | bt_put(writer_packet); |
72208f03 JG |
515 | bt_put(packet_context); |
516 | bt_put(timestamp_begin); | |
517 | bt_put(timestamp_end); | |
19ce87a4 JD |
518 | return new_notification; |
519 | } | |
520 | ||
521 | static | |
522 | struct bt_notification *evaluate_stream_notification( | |
523 | struct bt_notification *notification, | |
524 | struct trimmer_iterator *trim_it) | |
525 | { | |
526 | struct bt_ctf_stream *stream; | |
527 | ||
528 | stream = bt_notification_stream_end_get_stream(notification); | |
529 | assert(stream); | |
530 | ||
531 | /* FIXME: useless copy */ | |
532 | return bt_notification_stream_end_create(stream); | |
72208f03 JG |
533 | } |
534 | ||
535 | /* Return true if the notification should be forwarded. */ | |
536 | static | |
55595636 | 537 | enum bt_notification_iterator_status evaluate_notification( |
19ce87a4 JD |
538 | struct bt_notification **notification, |
539 | struct trimmer_iterator *trim_it, | |
55595636 MD |
540 | struct trimmer_bound *begin, struct trimmer_bound *end, |
541 | bool *in_range) | |
72208f03 | 542 | { |
72208f03 | 543 | enum bt_notification_type type; |
19ce87a4 | 544 | struct bt_notification *new_notification = NULL; |
907b1704 | 545 | bool finished = false; |
72208f03 | 546 | |
b61397c4 | 547 | *in_range = true; |
19ce87a4 | 548 | type = bt_notification_get_type(*notification); |
72208f03 JG |
549 | switch (type) { |
550 | case BT_NOTIFICATION_TYPE_EVENT: | |
19ce87a4 | 551 | new_notification = evaluate_event_notification(*notification, |
907b1704 | 552 | trim_it, begin, end, in_range, &finished); |
72208f03 JG |
553 | break; |
554 | case BT_NOTIFICATION_TYPE_PACKET_BEGIN: | |
555 | case BT_NOTIFICATION_TYPE_PACKET_END: | |
19ce87a4 | 556 | new_notification = evaluate_packet_notification(*notification, |
907b1704 | 557 | trim_it, begin, end, in_range, &finished); |
19ce87a4 JD |
558 | break; |
559 | case BT_NOTIFICATION_TYPE_STREAM_END: | |
560 | new_notification = evaluate_stream_notification(*notification, | |
561 | trim_it); | |
72208f03 | 562 | break; |
44d3cbf0 | 563 | default: |
5fc02ebc | 564 | puts("Unhandled notification type"); |
44d3cbf0 JG |
565 | break; |
566 | } | |
19ce87a4 JD |
567 | BT_PUT(*notification); |
568 | *notification = new_notification; | |
569 | ||
907b1704 JD |
570 | if (finished) { |
571 | return BT_NOTIFICATION_ITERATOR_STATUS_END; | |
572 | } | |
573 | ||
19ce87a4 | 574 | return BT_NOTIFICATION_ITERATOR_STATUS_OK; |
cab3f160 JG |
575 | } |
576 | ||
577 | BT_HIDDEN | |
41a2b7ae | 578 | struct bt_notification_iterator_next_return trimmer_iterator_next( |
890882ef | 579 | struct bt_private_notification_iterator *iterator) |
cab3f160 | 580 | { |
44d3cbf0 | 581 | struct trimmer_iterator *trim_it = NULL; |
890882ef | 582 | struct bt_private_component *component = NULL; |
44d3cbf0 JG |
583 | struct trimmer *trimmer = NULL; |
584 | struct bt_notification_iterator *source_it = NULL; | |
41a2b7ae PP |
585 | struct bt_notification_iterator_next_return ret = { |
586 | .status = BT_NOTIFICATION_ITERATOR_STATUS_OK, | |
587 | .notification = NULL, | |
588 | }; | |
72208f03 | 589 | bool notification_in_range = false; |
cab3f160 | 590 | |
890882ef | 591 | trim_it = bt_private_notification_iterator_get_user_data(iterator); |
44d3cbf0 JG |
592 | assert(trim_it); |
593 | ||
890882ef PP |
594 | component = bt_private_notification_iterator_get_private_component( |
595 | iterator); | |
44d3cbf0 | 596 | assert(component); |
890882ef | 597 | trimmer = bt_private_component_get_user_data(component); |
44d3cbf0 JG |
598 | assert(trimmer); |
599 | ||
99cdb69e JG |
600 | source_it = trim_it->input_iterator; |
601 | assert(source_it); | |
44d3cbf0 | 602 | |
72208f03 | 603 | while (!notification_in_range) { |
41a2b7ae PP |
604 | ret.status = bt_notification_iterator_next(source_it); |
605 | if (ret.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
44d3cbf0 JG |
606 | goto end; |
607 | } | |
608 | ||
41a2b7ae | 609 | ret.notification = bt_notification_iterator_get_notification( |
44d3cbf0 | 610 | source_it); |
41a2b7ae PP |
611 | if (!ret.notification) { |
612 | ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
44d3cbf0 JG |
613 | goto end; |
614 | } | |
615 | ||
19ce87a4 | 616 | ret.status = evaluate_notification(&ret.notification, trim_it, |
55595636 MD |
617 | &trimmer->begin, &trimmer->end, |
618 | ¬ification_in_range); | |
41a2b7ae | 619 | if (!notification_in_range) { |
19ce87a4 | 620 | BT_PUT(ret.notification); |
44d3cbf0 | 621 | } |
6d5f6792 | 622 | |
41a2b7ae | 623 | if (ret.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { |
6d5f6792 JG |
624 | break; |
625 | } | |
44d3cbf0 | 626 | } |
cab3f160 | 627 | end: |
44d3cbf0 | 628 | bt_put(component); |
cab3f160 JG |
629 | return ret; |
630 | } | |
631 | ||
632 | BT_HIDDEN | |
633 | enum bt_notification_iterator_status trimmer_iterator_seek_time( | |
890882ef PP |
634 | struct bt_private_notification_iterator *iterator, |
635 | int64_t time) | |
cab3f160 | 636 | { |
72b913fb | 637 | return BT_NOTIFICATION_ITERATOR_STATUS_OK; |
cab3f160 | 638 | } |