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