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