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 | ||
58a2480d | 29 | #include <babeltrace/compat/time-internal.h> |
3d2f08e7 | 30 | #include <babeltrace/compat/utc-internal.h> |
b2e0c907 PP |
31 | #include <babeltrace/graph/notification-iterator.h> |
32 | #include <babeltrace/graph/private-notification-iterator.h> | |
33 | #include <babeltrace/graph/notification.h> | |
34 | #include <babeltrace/graph/notification-event.h> | |
35 | #include <babeltrace/graph/notification-stream.h> | |
36 | #include <babeltrace/graph/notification-packet.h> | |
37 | #include <babeltrace/graph/component-filter.h> | |
38 | #include <babeltrace/graph/private-component-filter.h> | |
39 | #include <babeltrace/graph/private-port.h> | |
40 | #include <babeltrace/graph/private-connection.h> | |
41 | #include <babeltrace/graph/private-component.h> | |
44d3cbf0 JG |
42 | #include <babeltrace/ctf-ir/event.h> |
43 | #include <babeltrace/ctf-ir/stream.h> | |
44 | #include <babeltrace/ctf-ir/stream-class.h> | |
ac0c6bdd | 45 | #include <babeltrace/ctf-ir/clock-class.h> |
44d3cbf0 JG |
46 | #include <babeltrace/ctf-ir/packet.h> |
47 | #include <babeltrace/ctf-ir/trace.h> | |
72208f03 | 48 | #include <babeltrace/ctf-ir/fields.h> |
44d3cbf0 | 49 | #include <assert.h> |
8b0ce102 | 50 | #include <plugins-common.h> |
44d3cbf0 | 51 | |
19ce87a4 JD |
52 | #include "trimmer.h" |
53 | #include "iterator.h" | |
54 | #include "copy.h" | |
55 | ||
86e20162 JD |
56 | static |
57 | gboolean close_packets(gpointer key, gpointer value, gpointer user_data) | |
58 | { | |
59 | struct bt_ctf_packet *writer_packet = value; | |
60 | ||
61 | bt_put(writer_packet); | |
62 | return TRUE; | |
63 | } | |
64 | ||
d3eb6e8f | 65 | BT_HIDDEN |
64cadc66 | 66 | void trimmer_iterator_finalize(struct bt_private_notification_iterator *it) |
44d3cbf0 | 67 | { |
86e20162 | 68 | struct trimmer_iterator *trim_it; |
44d3cbf0 | 69 | |
86e20162 JD |
70 | trim_it = bt_private_notification_iterator_get_user_data(it); |
71 | assert(trim_it); | |
44d3cbf0 | 72 | |
86e20162 JD |
73 | bt_put(trim_it->input_iterator); |
74 | g_hash_table_foreach_remove(trim_it->packet_map, | |
75 | close_packets, NULL); | |
76 | g_hash_table_destroy(trim_it->packet_map); | |
77 | g_free(trim_it); | |
44d3cbf0 | 78 | } |
cab3f160 JG |
79 | |
80 | BT_HIDDEN | |
d3eb6e8f | 81 | enum bt_notification_iterator_status trimmer_iterator_init( |
91457551 PP |
82 | struct bt_private_notification_iterator *iterator, |
83 | struct bt_private_port *port) | |
cab3f160 | 84 | { |
d3eb6e8f PP |
85 | enum bt_notification_iterator_status ret = |
86 | BT_NOTIFICATION_ITERATOR_STATUS_OK; | |
cab3f160 | 87 | enum bt_notification_iterator_status it_ret; |
890882ef PP |
88 | struct bt_private_port *input_port = NULL; |
89 | struct bt_private_connection *connection = NULL; | |
91457551 PP |
90 | struct bt_private_component *component = |
91 | bt_private_notification_iterator_get_private_component(iterator); | |
44d3cbf0 | 92 | struct trimmer_iterator *it_data = g_new0(struct trimmer_iterator, 1); |
5fc02ebc JD |
93 | static const enum bt_notification_type notif_types[] = { |
94 | BT_NOTIFICATION_TYPE_EVENT, | |
95 | BT_NOTIFICATION_TYPE_STREAM_END, | |
96 | BT_NOTIFICATION_TYPE_PACKET_BEGIN, | |
97 | BT_NOTIFICATION_TYPE_PACKET_END, | |
98 | BT_NOTIFICATION_TYPE_SENTINEL, | |
99 | }; | |
44d3cbf0 JG |
100 | |
101 | if (!it_data) { | |
d3eb6e8f | 102 | ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; |
44d3cbf0 JG |
103 | goto end; |
104 | } | |
105 | ||
99cdb69e | 106 | /* Create a new iterator on the upstream component. */ |
b9d103be PP |
107 | input_port = bt_private_component_filter_get_input_private_port_by_name( |
108 | component, "in"); | |
99cdb69e | 109 | assert(input_port); |
890882ef | 110 | connection = bt_private_port_get_private_connection(input_port); |
99cdb69e JG |
111 | assert(connection); |
112 | ||
890882ef | 113 | it_data->input_iterator = |
fa054faf | 114 | bt_private_connection_create_notification_iterator(connection, |
5fc02ebc | 115 | notif_types); |
99cdb69e JG |
116 | if (!it_data->input_iterator) { |
117 | ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM; | |
118 | goto end; | |
119 | } | |
120 | ||
19ce87a4 JD |
121 | it_data->err = stderr; |
122 | it_data->packet_map = g_hash_table_new_full(g_direct_hash, | |
123 | g_direct_equal, NULL, NULL); | |
124 | ||
890882ef PP |
125 | it_ret = bt_private_notification_iterator_set_user_data(iterator, |
126 | it_data); | |
44d3cbf0 JG |
127 | if (it_ret) { |
128 | goto end; | |
129 | } | |
cab3f160 | 130 | end: |
91457551 | 131 | bt_put(component); |
99cdb69e JG |
132 | bt_put(connection); |
133 | bt_put(input_port); | |
cab3f160 JG |
134 | return ret; |
135 | } | |
136 | ||
528debdf MD |
137 | static |
138 | int update_lazy_bound(struct trimmer_bound *bound, const char *name, | |
55595636 | 139 | int64_t ts, bool *lazy_update) |
528debdf MD |
140 | { |
141 | struct tm tm; | |
142 | int64_t value; | |
143 | time_t timeval; | |
144 | ||
55595636 MD |
145 | *lazy_update = false; |
146 | ||
528debdf MD |
147 | if (!bound->lazy) { |
148 | return 0; | |
149 | } | |
150 | tm.tm_isdst = -1; | |
151 | timeval = ts / NSEC_PER_SEC; | |
152 | ||
153 | if (bound->lazy_values.gmt) { | |
154 | /* Get day, month, year. */ | |
58a2480d MJ |
155 | if (!bt_gmtime_r(&timeval, &tm)) { |
156 | printf_error("Failure in bt_gmtime_r()"); | |
528debdf MD |
157 | goto error; |
158 | } | |
159 | tm.tm_sec = bound->lazy_values.ss; | |
160 | tm.tm_min = bound->lazy_values.mm; | |
161 | tm.tm_hour = bound->lazy_values.hh; | |
3d2f08e7 | 162 | timeval = bt_timegm(&tm); |
528debdf | 163 | if (timeval < 0) { |
3d2f08e7 | 164 | printf_error("Failure in bt_timegm(), incorrectly formatted %s timestamp", |
55595636 | 165 | name); |
528debdf MD |
166 | goto error; |
167 | } | |
168 | } else { | |
169 | /* Get day, month, year. */ | |
58a2480d MJ |
170 | if (!bt_localtime_r(&timeval, &tm)) { |
171 | printf_error("Failure in bt_localtime_r()"); | |
528debdf MD |
172 | goto error; |
173 | } | |
174 | tm.tm_sec = bound->lazy_values.ss; | |
175 | tm.tm_min = bound->lazy_values.mm; | |
176 | tm.tm_hour = bound->lazy_values.hh; | |
177 | timeval = mktime(&tm); | |
178 | if (timeval < 0) { | |
55595636 | 179 | printf_error("Failure in mktime(), incorrectly formatted %s timestamp", |
528debdf MD |
180 | name); |
181 | goto error; | |
182 | } | |
183 | } | |
184 | value = (int64_t) timeval; | |
185 | value *= NSEC_PER_SEC; | |
186 | value += bound->lazy_values.ns; | |
187 | bound->value = value; | |
188 | bound->set = true; | |
189 | bound->lazy = false; | |
55595636 | 190 | *lazy_update = true; |
528debdf MD |
191 | return 0; |
192 | ||
193 | error: | |
528debdf MD |
194 | return -1; |
195 | } | |
196 | ||
44d3cbf0 | 197 | static |
19ce87a4 JD |
198 | struct bt_notification *evaluate_event_notification( |
199 | struct bt_notification *notification, | |
200 | struct trimmer_iterator *trim_it, | |
55595636 | 201 | struct trimmer_bound *begin, struct trimmer_bound *end, |
907b1704 | 202 | bool *_event_in_range, bool *finished) |
44d3cbf0 | 203 | { |
72208f03 JG |
204 | int64_t ts; |
205 | int clock_ret; | |
19ce87a4 | 206 | struct bt_ctf_event *event = NULL, *writer_event; |
72208f03 | 207 | bool in_range = true; |
ac0c6bdd | 208 | struct bt_ctf_clock_class *clock_class = NULL; |
72208f03 | 209 | struct bt_ctf_trace *trace = NULL; |
44d3cbf0 | 210 | struct bt_ctf_stream *stream = NULL; |
72208f03 JG |
211 | struct bt_ctf_stream_class *stream_class = NULL; |
212 | struct bt_ctf_clock_value *clock_value = NULL; | |
55595636 | 213 | bool lazy_update = false; |
19ce87a4 JD |
214 | struct bt_notification *new_notification = NULL; |
215 | struct bt_clock_class_priority_map *cc_prio_map; | |
44d3cbf0 | 216 | |
72208f03 JG |
217 | event = bt_notification_event_get_event(notification); |
218 | assert(event); | |
19ce87a4 JD |
219 | cc_prio_map = bt_notification_event_get_clock_class_priority_map( |
220 | notification); | |
221 | assert(cc_prio_map); | |
222 | writer_event = trimmer_output_event(trim_it, event); | |
223 | assert(writer_event); | |
224 | new_notification = bt_notification_event_create(writer_event, cc_prio_map); | |
225 | assert(new_notification); | |
226 | bt_put(cc_prio_map); | |
44d3cbf0 | 227 | |
72208f03 JG |
228 | stream = bt_ctf_event_get_stream(event); |
229 | assert(stream); | |
44d3cbf0 | 230 | |
72208f03 JG |
231 | stream_class = bt_ctf_stream_get_class(stream); |
232 | assert(stream_class); | |
233 | ||
234 | trace = bt_ctf_stream_class_get_trace(stream_class); | |
235 | assert(trace); | |
236 | ||
237 | /* FIXME multi-clock? */ | |
9ac68eb1 | 238 | clock_class = bt_ctf_trace_get_clock_class_by_index(trace, 0); |
ac0c6bdd | 239 | if (!clock_class) { |
72208f03 | 240 | goto end; |
44d3cbf0 | 241 | } |
44d3cbf0 | 242 | |
ac0c6bdd | 243 | clock_value = bt_ctf_event_get_clock_value(event, clock_class); |
72208f03 | 244 | if (!clock_value) { |
55595636 | 245 | printf_error("Failed to retrieve clock value"); |
19ce87a4 | 246 | goto error; |
44d3cbf0 | 247 | } |
72208f03 JG |
248 | |
249 | clock_ret = bt_ctf_clock_value_get_value_ns_from_epoch( | |
250 | clock_value, &ts); | |
251 | if (clock_ret) { | |
55595636 | 252 | printf_error("Failed to retrieve clock value timestamp"); |
19ce87a4 | 253 | goto error; |
44d3cbf0 | 254 | } |
55595636 | 255 | if (update_lazy_bound(begin, "begin", ts, &lazy_update)) { |
528debdf MD |
256 | goto end; |
257 | } | |
55595636 | 258 | if (update_lazy_bound(end, "end", ts, &lazy_update)) { |
528debdf MD |
259 | goto end; |
260 | } | |
55595636 MD |
261 | if (lazy_update && begin->set && end->set) { |
262 | if (begin->value > end->value) { | |
263 | printf_error("Unexpected: time range begin value is above end value"); | |
19ce87a4 | 264 | goto error; |
55595636 MD |
265 | } |
266 | } | |
72208f03 JG |
267 | if (begin->set && ts < begin->value) { |
268 | in_range = false; | |
269 | } | |
270 | if (end->set && ts > end->value) { | |
271 | in_range = false; | |
907b1704 | 272 | *finished = true; |
72208f03 | 273 | } |
19ce87a4 JD |
274 | |
275 | goto end; | |
276 | ||
277 | error: | |
278 | BT_PUT(new_notification); | |
44d3cbf0 | 279 | end: |
72208f03 | 280 | bt_put(event); |
19ce87a4 | 281 | bt_put(writer_event); |
ac0c6bdd | 282 | bt_put(clock_class); |
72208f03 JG |
283 | bt_put(trace); |
284 | bt_put(stream); | |
285 | bt_put(stream_class); | |
286 | bt_put(clock_value); | |
55595636 | 287 | *_event_in_range = in_range; |
19ce87a4 | 288 | return new_notification; |
44d3cbf0 JG |
289 | } |
290 | ||
44d3cbf0 | 291 | static |
72208f03 | 292 | int ns_from_integer_field(struct bt_ctf_field *integer, int64_t *ns) |
44d3cbf0 | 293 | { |
72208f03 JG |
294 | int ret = 0; |
295 | int is_signed; | |
296 | uint64_t raw_clock_value; | |
297 | struct bt_ctf_field_type *integer_type = NULL; | |
ac0c6bdd | 298 | struct bt_ctf_clock_class *clock_class = NULL; |
44d3cbf0 JG |
299 | struct bt_ctf_clock_value *clock_value = NULL; |
300 | ||
72208f03 JG |
301 | integer_type = bt_ctf_field_get_type(integer); |
302 | assert(integer_type); | |
ac0c6bdd PP |
303 | clock_class = bt_ctf_field_type_integer_get_mapped_clock_class( |
304 | integer_type); | |
305 | if (!clock_class) { | |
72208f03 | 306 | ret = -1; |
44d3cbf0 JG |
307 | goto end; |
308 | } | |
309 | ||
72208f03 JG |
310 | is_signed = bt_ctf_field_type_integer_get_signed(integer_type); |
311 | if (!is_signed) { | |
312 | ret = bt_ctf_field_unsigned_integer_get_value(integer, | |
313 | &raw_clock_value); | |
314 | if (ret) { | |
44d3cbf0 JG |
315 | goto end; |
316 | } | |
72208f03 JG |
317 | } else { |
318 | /* Signed clock values are unsupported. */ | |
a8e317ff | 319 | ret = -1; |
72208f03 JG |
320 | goto end; |
321 | } | |
44d3cbf0 | 322 | |
ac0c6bdd | 323 | clock_value = bt_ctf_clock_value_create(clock_class, raw_clock_value); |
72208f03 JG |
324 | if (!clock_value) { |
325 | goto end; | |
326 | } | |
44d3cbf0 | 327 | |
72208f03 JG |
328 | ret = bt_ctf_clock_value_get_value_ns_from_epoch(clock_value, ns); |
329 | end: | |
330 | bt_put(integer_type); | |
ac0c6bdd | 331 | bt_put(clock_class); |
72208f03 JG |
332 | bt_put(clock_value); |
333 | return ret; | |
334 | } | |
44d3cbf0 | 335 | |
19ce87a4 JD |
336 | static uint64_t ns_from_value(uint64_t frequency, uint64_t value) |
337 | { | |
338 | uint64_t ns; | |
339 | ||
340 | if (frequency == NSEC_PER_SEC) { | |
341 | ns = value; | |
342 | } else { | |
343 | ns = (uint64_t) ((1e9 * (double) value) / (double) frequency); | |
344 | } | |
345 | ||
346 | return ns; | |
347 | } | |
348 | ||
349 | /* | |
350 | * timestamp minus the offset. | |
351 | */ | |
72208f03 | 352 | static |
19ce87a4 JD |
353 | int64_t get_raw_timestamp(struct bt_ctf_packet *writer_packet, |
354 | int64_t timestamp) | |
355 | { | |
356 | struct bt_ctf_clock_class *writer_clock_class; | |
357 | int64_t sec_offset, cycles_offset, ns; | |
358 | struct bt_ctf_trace *writer_trace; | |
359 | struct bt_ctf_stream *writer_stream; | |
360 | struct bt_ctf_stream_class *writer_stream_class; | |
361 | int ret; | |
362 | uint64_t freq; | |
363 | ||
364 | writer_stream = bt_ctf_packet_get_stream(writer_packet); | |
365 | assert(writer_stream); | |
366 | ||
367 | writer_stream_class = bt_ctf_stream_get_class(writer_stream); | |
368 | assert(writer_stream_class); | |
369 | ||
370 | writer_trace = bt_ctf_stream_class_get_trace(writer_stream_class); | |
371 | assert(writer_trace); | |
372 | ||
373 | /* FIXME multi-clock? */ | |
9ac68eb1 PP |
374 | writer_clock_class = bt_ctf_trace_get_clock_class_by_index( |
375 | writer_trace, 0); | |
19ce87a4 JD |
376 | assert(writer_clock_class); |
377 | ||
378 | ret = bt_ctf_clock_class_get_offset_s(writer_clock_class, &sec_offset); | |
379 | assert(!ret); | |
380 | ns = sec_offset * NSEC_PER_SEC; | |
381 | ||
382 | freq = bt_ctf_clock_class_get_frequency(writer_clock_class); | |
383 | assert(freq != -1ULL); | |
384 | ||
385 | ret = bt_ctf_clock_class_get_offset_cycles(writer_clock_class, &cycles_offset); | |
386 | assert(!ret); | |
387 | ||
388 | ns += ns_from_value(freq, cycles_offset); | |
389 | ||
390 | bt_put(writer_clock_class); | |
391 | bt_put(writer_trace); | |
392 | bt_put(writer_stream_class); | |
393 | bt_put(writer_stream); | |
394 | ||
395 | return timestamp - ns; | |
396 | } | |
397 | ||
398 | static | |
399 | struct bt_notification *evaluate_packet_notification( | |
55595636 | 400 | struct bt_notification *notification, |
19ce87a4 | 401 | struct trimmer_iterator *trim_it, |
55595636 | 402 | struct trimmer_bound *begin, struct trimmer_bound *end, |
907b1704 | 403 | bool *_packet_in_range, bool *finished) |
72208f03 | 404 | { |
72208f03 JG |
405 | int64_t begin_ns, pkt_begin_ns, end_ns, pkt_end_ns; |
406 | bool in_range = true; | |
19ce87a4 | 407 | struct bt_ctf_packet *packet = NULL, *writer_packet = NULL; |
72208f03 JG |
408 | struct bt_ctf_field *packet_context = NULL, |
409 | *timestamp_begin = NULL, | |
410 | *timestamp_end = NULL; | |
19ce87a4 JD |
411 | struct bt_notification *new_notification = NULL; |
412 | enum bt_component_status ret; | |
413 | bool lazy_update = false; | |
72208f03 JG |
414 | |
415 | switch (bt_notification_get_type(notification)) { | |
416 | case BT_NOTIFICATION_TYPE_PACKET_BEGIN: | |
417 | packet = bt_notification_packet_begin_get_packet(notification); | |
19ce87a4 JD |
418 | assert(packet); |
419 | writer_packet = trimmer_new_packet(trim_it, packet); | |
420 | assert(writer_packet); | |
44d3cbf0 | 421 | break; |
72208f03 JG |
422 | case BT_NOTIFICATION_TYPE_PACKET_END: |
423 | packet = bt_notification_packet_end_get_packet(notification); | |
19ce87a4 JD |
424 | assert(packet); |
425 | writer_packet = trimmer_close_packet(trim_it, packet); | |
426 | assert(writer_packet); | |
72208f03 JG |
427 | break; |
428 | default: | |
19ce87a4 | 429 | goto end; |
44d3cbf0 | 430 | } |
72208f03 | 431 | |
19ce87a4 | 432 | packet_context = bt_ctf_packet_get_context(writer_packet); |
72208f03 | 433 | if (!packet_context) { |
19ce87a4 | 434 | goto end_no_notif; |
72208f03 JG |
435 | } |
436 | ||
437 | if (!bt_ctf_field_is_structure(packet_context)) { | |
19ce87a4 | 438 | goto end_no_notif; |
72208f03 JG |
439 | } |
440 | ||
441 | timestamp_begin = bt_ctf_field_structure_get_field( | |
442 | packet_context, "timestamp_begin"); | |
443 | if (!timestamp_begin || !bt_ctf_field_is_integer(timestamp_begin)) { | |
19ce87a4 | 444 | goto end_no_notif; |
72208f03 JG |
445 | } |
446 | timestamp_end = bt_ctf_field_structure_get_field( | |
447 | packet_context, "timestamp_end"); | |
448 | if (!timestamp_end || !bt_ctf_field_is_integer(timestamp_end)) { | |
19ce87a4 | 449 | goto end_no_notif; |
72208f03 JG |
450 | } |
451 | ||
55595636 | 452 | if (ns_from_integer_field(timestamp_begin, &pkt_begin_ns)) { |
19ce87a4 | 453 | goto end_no_notif; |
72208f03 | 454 | } |
55595636 | 455 | if (ns_from_integer_field(timestamp_end, &pkt_end_ns)) { |
19ce87a4 JD |
456 | goto end_no_notif; |
457 | } | |
458 | ||
459 | if (update_lazy_bound(begin, "begin", pkt_begin_ns, &lazy_update)) { | |
460 | goto end_no_notif; | |
461 | } | |
462 | if (update_lazy_bound(end, "end", pkt_end_ns, &lazy_update)) { | |
463 | goto end_no_notif; | |
464 | } | |
465 | if (lazy_update && begin->set && end->set) { | |
466 | if (begin->value > end->value) { | |
467 | printf_error("Unexpected: time range begin value is above end value"); | |
468 | goto end_no_notif; | |
469 | } | |
72208f03 JG |
470 | } |
471 | ||
472 | begin_ns = begin->set ? begin->value : INT64_MIN; | |
473 | end_ns = end->set ? end->value : INT64_MAX; | |
474 | ||
475 | /* | |
476 | * Accept if there is any overlap between the selected region and the | |
477 | * packet. | |
478 | */ | |
479 | in_range = (pkt_end_ns >= begin_ns) && (pkt_begin_ns <= end_ns); | |
19ce87a4 JD |
480 | if (!in_range) { |
481 | goto end_no_notif; | |
482 | } | |
907b1704 JD |
483 | if (pkt_begin_ns > end_ns) { |
484 | *finished = true; | |
485 | } | |
19ce87a4 JD |
486 | |
487 | if (begin_ns > pkt_begin_ns) { | |
488 | ret = update_packet_context_field(trim_it->err, writer_packet, | |
489 | "timestamp_begin", | |
490 | get_raw_timestamp(writer_packet, begin_ns)); | |
491 | assert(!ret); | |
492 | } | |
493 | ||
494 | if (end_ns < pkt_end_ns) { | |
495 | ret = update_packet_context_field(trim_it->err, writer_packet, | |
496 | "timestamp_end", | |
497 | get_raw_timestamp(writer_packet, end_ns)); | |
498 | assert(!ret); | |
499 | } | |
500 | ||
72208f03 | 501 | end: |
19ce87a4 JD |
502 | switch (bt_notification_get_type(notification)) { |
503 | case BT_NOTIFICATION_TYPE_PACKET_BEGIN: | |
504 | new_notification = bt_notification_packet_begin_create(writer_packet); | |
505 | assert(new_notification); | |
506 | break; | |
507 | case BT_NOTIFICATION_TYPE_PACKET_END: | |
508 | new_notification = bt_notification_packet_end_create(writer_packet); | |
509 | assert(new_notification); | |
510 | break; | |
511 | default: | |
512 | break; | |
513 | } | |
514 | end_no_notif: | |
55595636 | 515 | *_packet_in_range = in_range; |
72208f03 | 516 | bt_put(packet); |
19ce87a4 | 517 | bt_put(writer_packet); |
72208f03 JG |
518 | bt_put(packet_context); |
519 | bt_put(timestamp_begin); | |
520 | bt_put(timestamp_end); | |
19ce87a4 JD |
521 | return new_notification; |
522 | } | |
523 | ||
524 | static | |
525 | struct bt_notification *evaluate_stream_notification( | |
526 | struct bt_notification *notification, | |
527 | struct trimmer_iterator *trim_it) | |
528 | { | |
529 | struct bt_ctf_stream *stream; | |
530 | ||
531 | stream = bt_notification_stream_end_get_stream(notification); | |
532 | assert(stream); | |
533 | ||
534 | /* FIXME: useless copy */ | |
535 | return bt_notification_stream_end_create(stream); | |
72208f03 JG |
536 | } |
537 | ||
538 | /* Return true if the notification should be forwarded. */ | |
539 | static | |
55595636 | 540 | enum bt_notification_iterator_status evaluate_notification( |
19ce87a4 JD |
541 | struct bt_notification **notification, |
542 | struct trimmer_iterator *trim_it, | |
55595636 MD |
543 | struct trimmer_bound *begin, struct trimmer_bound *end, |
544 | bool *in_range) | |
72208f03 | 545 | { |
72208f03 | 546 | enum bt_notification_type type; |
19ce87a4 | 547 | struct bt_notification *new_notification = NULL; |
907b1704 | 548 | bool finished = false; |
72208f03 | 549 | |
b61397c4 | 550 | *in_range = true; |
19ce87a4 | 551 | type = bt_notification_get_type(*notification); |
72208f03 JG |
552 | switch (type) { |
553 | case BT_NOTIFICATION_TYPE_EVENT: | |
19ce87a4 | 554 | new_notification = evaluate_event_notification(*notification, |
907b1704 | 555 | trim_it, begin, end, in_range, &finished); |
72208f03 JG |
556 | break; |
557 | case BT_NOTIFICATION_TYPE_PACKET_BEGIN: | |
558 | case BT_NOTIFICATION_TYPE_PACKET_END: | |
19ce87a4 | 559 | new_notification = evaluate_packet_notification(*notification, |
907b1704 | 560 | trim_it, begin, end, in_range, &finished); |
19ce87a4 JD |
561 | break; |
562 | case BT_NOTIFICATION_TYPE_STREAM_END: | |
563 | new_notification = evaluate_stream_notification(*notification, | |
564 | trim_it); | |
72208f03 | 565 | break; |
44d3cbf0 | 566 | default: |
5fc02ebc | 567 | puts("Unhandled notification type"); |
44d3cbf0 JG |
568 | break; |
569 | } | |
19ce87a4 JD |
570 | BT_PUT(*notification); |
571 | *notification = new_notification; | |
572 | ||
907b1704 JD |
573 | if (finished) { |
574 | return BT_NOTIFICATION_ITERATOR_STATUS_END; | |
575 | } | |
576 | ||
19ce87a4 | 577 | return BT_NOTIFICATION_ITERATOR_STATUS_OK; |
cab3f160 JG |
578 | } |
579 | ||
580 | BT_HIDDEN | |
41a2b7ae | 581 | struct bt_notification_iterator_next_return trimmer_iterator_next( |
890882ef | 582 | struct bt_private_notification_iterator *iterator) |
cab3f160 | 583 | { |
44d3cbf0 | 584 | struct trimmer_iterator *trim_it = NULL; |
890882ef | 585 | struct bt_private_component *component = NULL; |
44d3cbf0 JG |
586 | struct trimmer *trimmer = NULL; |
587 | struct bt_notification_iterator *source_it = NULL; | |
41a2b7ae PP |
588 | struct bt_notification_iterator_next_return ret = { |
589 | .status = BT_NOTIFICATION_ITERATOR_STATUS_OK, | |
590 | .notification = NULL, | |
591 | }; | |
72208f03 | 592 | bool notification_in_range = false; |
cab3f160 | 593 | |
890882ef | 594 | trim_it = bt_private_notification_iterator_get_user_data(iterator); |
44d3cbf0 JG |
595 | assert(trim_it); |
596 | ||
890882ef PP |
597 | component = bt_private_notification_iterator_get_private_component( |
598 | iterator); | |
44d3cbf0 | 599 | assert(component); |
890882ef | 600 | trimmer = bt_private_component_get_user_data(component); |
44d3cbf0 JG |
601 | assert(trimmer); |
602 | ||
99cdb69e JG |
603 | source_it = trim_it->input_iterator; |
604 | assert(source_it); | |
44d3cbf0 | 605 | |
72208f03 | 606 | while (!notification_in_range) { |
41a2b7ae PP |
607 | ret.status = bt_notification_iterator_next(source_it); |
608 | if (ret.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { | |
44d3cbf0 JG |
609 | goto end; |
610 | } | |
611 | ||
41a2b7ae | 612 | ret.notification = bt_notification_iterator_get_notification( |
44d3cbf0 | 613 | source_it); |
41a2b7ae PP |
614 | if (!ret.notification) { |
615 | ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR; | |
44d3cbf0 JG |
616 | goto end; |
617 | } | |
618 | ||
19ce87a4 | 619 | ret.status = evaluate_notification(&ret.notification, trim_it, |
55595636 MD |
620 | &trimmer->begin, &trimmer->end, |
621 | ¬ification_in_range); | |
41a2b7ae | 622 | if (!notification_in_range) { |
19ce87a4 | 623 | BT_PUT(ret.notification); |
44d3cbf0 | 624 | } |
6d5f6792 | 625 | |
41a2b7ae | 626 | if (ret.status != BT_NOTIFICATION_ITERATOR_STATUS_OK) { |
6d5f6792 JG |
627 | break; |
628 | } | |
44d3cbf0 | 629 | } |
cab3f160 | 630 | end: |
44d3cbf0 | 631 | bt_put(component); |
cab3f160 JG |
632 | return ret; |
633 | } | |
634 | ||
635 | BT_HIDDEN | |
636 | enum bt_notification_iterator_status trimmer_iterator_seek_time( | |
890882ef PP |
637 | struct bt_private_notification_iterator *iterator, |
638 | int64_t time) | |
cab3f160 | 639 | { |
72b913fb | 640 | return BT_NOTIFICATION_ITERATOR_STATUS_OK; |
cab3f160 | 641 | } |