Commit | Line | Data |
---|---|---|
cab3f160 | 1 | /* |
cab3f160 | 2 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
7de0e49a | 3 | * Copyright 2019 Philippe Proulx <pproulx@efficios.com> |
cab3f160 JG |
4 | * |
5 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | * of this software and associated documentation files (the "Software"), to deal | |
7 | * in the Software without restriction, including without limitation the rights | |
8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | * copies of the Software, and to permit persons to whom the Software is | |
10 | * furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
21 | * SOFTWARE. | |
22 | */ | |
23 | ||
ec4ae660 | 24 | #define BT_COMP_LOG_SELF_COMP (trimmer_comp->self_comp) |
0d9a3d3e | 25 | #define BT_LOG_OUTPUT_LEVEL (trimmer_comp->log_level) |
350ad6c1 | 26 | #define BT_LOG_TAG "PLUGIN/FLT.UTILS.TRIMMER" |
ec4ae660 | 27 | #include "plugins/comp-logging.h" |
b4565e8b | 28 | |
578e048b MJ |
29 | #include "compat/utc.h" |
30 | #include "compat/time.h" | |
3fadfbc0 | 31 | #include <babeltrace2/babeltrace.h> |
578e048b | 32 | #include "common/common.h" |
578e048b | 33 | #include "common/assert.h" |
7de0e49a PP |
34 | #include <stdint.h> |
35 | #include <inttypes.h> | |
36 | #include <glib.h> | |
37 | ||
38 | #include "trimmer.h" | |
39 | ||
40 | #define NS_PER_S INT64_C(1000000000) | |
41 | ||
42 | static const char * const in_port_name = "in"; | |
43 | ||
44 | struct trimmer_time { | |
45 | unsigned int hour, minute, second, ns; | |
46 | }; | |
47 | ||
48 | struct trimmer_bound { | |
49 | /* | |
50 | * Nanoseconds from origin, valid if `is_set` is set and | |
51 | * `is_infinite` is false. | |
52 | */ | |
53 | int64_t ns_from_origin; | |
54 | ||
55 | /* True if this bound's full time (`ns_from_origin`) is set */ | |
56 | bool is_set; | |
57 | ||
58 | /* | |
59 | * True if this bound represents the infinity (negative or | |
60 | * positive depending on which bound it is). If this is true, | |
61 | * then we don't care about `ns_from_origin` above. | |
62 | */ | |
63 | bool is_infinite; | |
64 | ||
65 | /* | |
66 | * This bound's time without the date; this time is used to set | |
67 | * `ns_from_origin` once we know the date. | |
68 | */ | |
69 | struct trimmer_time time; | |
70 | }; | |
71 | ||
72 | struct trimmer_comp { | |
73 | struct trimmer_bound begin, end; | |
74 | bool is_gmt; | |
0d9a3d3e | 75 | bt_logging_level log_level; |
ec4ae660 | 76 | bt_self_component *self_comp; |
7de0e49a PP |
77 | }; |
78 | ||
79 | enum trimmer_iterator_state { | |
80 | /* | |
81 | * Find the first message's date and set the bounds's times | |
82 | * accordingly. | |
83 | */ | |
84 | TRIMMER_ITERATOR_STATE_SET_BOUNDS_NS_FROM_ORIGIN, | |
85 | ||
86 | /* | |
87 | * Initially seek to the trimming range's beginning time. | |
88 | */ | |
89 | TRIMMER_ITERATOR_STATE_SEEK_INITIALLY, | |
90 | ||
91 | /* | |
92 | * Fill the output message queue for as long as received input | |
93 | * messages are within the trimming time range. | |
94 | */ | |
95 | TRIMMER_ITERATOR_STATE_TRIM, | |
96 | ||
97 | /* Flush the remaining messages in the output message queue */ | |
98 | TRIMMER_ITERATOR_STATE_ENDING, | |
99 | ||
100 | /* Trimming operation and message iterator is ended */ | |
101 | TRIMMER_ITERATOR_STATE_ENDED, | |
102 | }; | |
103 | ||
104 | struct trimmer_iterator { | |
105 | /* Weak */ | |
106 | struct trimmer_comp *trimmer_comp; | |
107 | ||
108 | /* Weak */ | |
109 | bt_self_message_iterator *self_msg_iter; | |
110 | ||
111 | enum trimmer_iterator_state state; | |
112 | ||
113 | /* Owned by this */ | |
114 | bt_self_component_port_input_message_iterator *upstream_iter; | |
115 | struct trimmer_bound begin, end; | |
116 | ||
117 | /* | |
118 | * Queue of `const bt_message *` (owned by the queue). | |
119 | * | |
120 | * This is where the trimming operation pushes the messages to | |
121 | * output by this message iterator. | |
122 | */ | |
123 | GQueue *output_messages; | |
124 | ||
125 | /* | |
126 | * Hash table of `bt_stream *` (weak) to | |
127 | * `struct trimmer_iterator_stream_state *` (owned by the HT). | |
128 | */ | |
129 | GHashTable *stream_states; | |
130 | }; | |
131 | ||
132 | struct trimmer_iterator_stream_state { | |
7de0e49a PP |
133 | /* |
134 | * True if the last pushed message for this stream was a stream | |
135 | * activity end message. | |
136 | */ | |
137 | bool last_msg_is_stream_activity_end; | |
138 | ||
139 | /* | |
140 | * Time to use for a generated stream end activity message when | |
141 | * ending the stream. | |
142 | */ | |
143 | int64_t stream_act_end_ns_from_origin; | |
144 | ||
145 | /* Weak */ | |
146 | const bt_stream *stream; | |
147 | ||
148 | /* Owned by this (`NULL` initially and between packets) */ | |
149 | const bt_packet *cur_packet; | |
7de0e49a | 150 | }; |
cab3f160 JG |
151 | |
152 | static | |
7de0e49a | 153 | void destroy_trimmer_comp(struct trimmer_comp *trimmer_comp) |
cab3f160 | 154 | { |
7de0e49a PP |
155 | BT_ASSERT(trimmer_comp); |
156 | g_free(trimmer_comp); | |
cab3f160 JG |
157 | } |
158 | ||
159 | static | |
7de0e49a PP |
160 | struct trimmer_comp *create_trimmer_comp(void) |
161 | { | |
162 | return g_new0(struct trimmer_comp, 1); | |
163 | } | |
164 | ||
165 | BT_HIDDEN | |
166 | void trimmer_finalize(bt_self_component_filter *self_comp) | |
cab3f160 | 167 | { |
7de0e49a PP |
168 | struct trimmer_comp *trimmer_comp = |
169 | bt_self_component_get_data( | |
170 | bt_self_component_filter_as_self_component(self_comp)); | |
171 | ||
172 | if (trimmer_comp) { | |
173 | destroy_trimmer_comp(trimmer_comp); | |
174 | } | |
cab3f160 JG |
175 | } |
176 | ||
7de0e49a PP |
177 | /* |
178 | * Sets the time (in ns from origin) of a trimmer bound from date and | |
179 | * time components. | |
180 | * | |
181 | * Returns a negative value if anything goes wrong. | |
182 | */ | |
183 | static | |
184 | int set_bound_ns_from_origin(struct trimmer_bound *bound, | |
185 | unsigned int year, unsigned int month, unsigned int day, | |
186 | unsigned int hour, unsigned int minute, unsigned int second, | |
187 | unsigned int ns, bool is_gmt) | |
cab3f160 | 188 | { |
7de0e49a PP |
189 | int ret = 0; |
190 | time_t result; | |
191 | struct tm tm = { | |
192 | .tm_sec = second, | |
193 | .tm_min = minute, | |
194 | .tm_hour = hour, | |
195 | .tm_mday = day, | |
196 | .tm_mon = month - 1, | |
197 | .tm_year = year - 1900, | |
198 | .tm_isdst = -1, | |
199 | }; | |
200 | ||
201 | if (is_gmt) { | |
202 | result = bt_timegm(&tm); | |
203 | } else { | |
204 | result = mktime(&tm); | |
205 | } | |
206 | ||
207 | if (result < 0) { | |
208 | ret = -1; | |
209 | goto end; | |
210 | } | |
cab3f160 | 211 | |
7de0e49a PP |
212 | BT_ASSERT(bound); |
213 | bound->ns_from_origin = (int64_t) result; | |
214 | bound->ns_from_origin *= NS_PER_S; | |
215 | bound->ns_from_origin += ns; | |
216 | bound->is_set = true; | |
217 | ||
218 | end: | |
219 | return ret; | |
cab3f160 JG |
220 | } |
221 | ||
528debdf MD |
222 | /* |
223 | * Parses a timestamp, figuring out its format. | |
224 | * | |
225 | * Returns a negative value if anything goes wrong. | |
226 | * | |
227 | * Expected formats: | |
228 | * | |
7de0e49a PP |
229 | * YYYY-MM-DD hh:mm[:ss[.ns]] |
230 | * [hh:mm:]ss[.ns] | |
231 | * [-]s[.ns] | |
232 | * | |
233 | * TODO: Check overflows. | |
234 | */ | |
235 | static | |
0d9a3d3e PP |
236 | int set_bound_from_str(struct trimmer_comp *trimmer_comp, |
237 | const char *str, struct trimmer_bound *bound, bool is_gmt) | |
7de0e49a PP |
238 | { |
239 | int ret = 0; | |
240 | int s_ret; | |
241 | unsigned int year, month, day, hour, minute, second, ns; | |
242 | char dummy; | |
243 | ||
244 | /* Try `YYYY-MM-DD hh:mm:ss.ns` format */ | |
245 | s_ret = sscanf(str, "%u-%u-%u %u:%u:%u.%u%c", &year, &month, &day, | |
246 | &hour, &minute, &second, &ns, &dummy); | |
247 | if (s_ret == 7) { | |
248 | ret = set_bound_ns_from_origin(bound, year, month, day, | |
249 | hour, minute, second, ns, is_gmt); | |
250 | goto end; | |
251 | } | |
252 | ||
253 | /* Try `YYYY-MM-DD hh:mm:ss` format */ | |
254 | s_ret = sscanf(str, "%u-%u-%u %u:%u:%u%c", &year, &month, &day, | |
255 | &hour, &minute, &second, &dummy); | |
256 | if (s_ret == 6) { | |
257 | ret = set_bound_ns_from_origin(bound, year, month, day, | |
258 | hour, minute, second, 0, is_gmt); | |
259 | goto end; | |
260 | } | |
261 | ||
262 | /* Try `YYYY-MM-DD hh:mm` format */ | |
263 | s_ret = sscanf(str, "%u-%u-%u %u:%u%c", &year, &month, &day, | |
264 | &hour, &minute, &dummy); | |
265 | if (s_ret == 5) { | |
266 | ret = set_bound_ns_from_origin(bound, year, month, day, | |
267 | hour, minute, 0, 0, is_gmt); | |
268 | goto end; | |
269 | } | |
270 | ||
271 | /* Try `YYYY-MM-DD` format */ | |
272 | s_ret = sscanf(str, "%u-%u-%u%c", &year, &month, &day, &dummy); | |
273 | if (s_ret == 3) { | |
274 | ret = set_bound_ns_from_origin(bound, year, month, day, | |
275 | 0, 0, 0, 0, is_gmt); | |
276 | goto end; | |
277 | } | |
278 | ||
279 | /* Try `hh:mm:ss.ns` format */ | |
280 | s_ret = sscanf(str, "%u:%u:%u.%u%c", &hour, &minute, &second, &ns, | |
281 | &dummy); | |
282 | if (s_ret == 4) { | |
283 | bound->time.hour = hour; | |
284 | bound->time.minute = minute; | |
285 | bound->time.second = second; | |
286 | bound->time.ns = ns; | |
287 | goto end; | |
288 | } | |
289 | ||
290 | /* Try `hh:mm:ss` format */ | |
291 | s_ret = sscanf(str, "%u:%u:%u%c", &hour, &minute, &second, &dummy); | |
292 | if (s_ret == 3) { | |
293 | bound->time.hour = hour; | |
294 | bound->time.minute = minute; | |
295 | bound->time.second = second; | |
296 | bound->time.ns = 0; | |
297 | goto end; | |
298 | } | |
299 | ||
300 | /* Try `-s.ns` format */ | |
301 | s_ret = sscanf(str, "-%u.%u%c", &second, &ns, &dummy); | |
302 | if (s_ret == 2) { | |
303 | bound->ns_from_origin = -((int64_t) second) * NS_PER_S; | |
304 | bound->ns_from_origin -= (int64_t) ns; | |
305 | bound->is_set = true; | |
306 | goto end; | |
307 | } | |
308 | ||
309 | /* Try `s.ns` format */ | |
310 | s_ret = sscanf(str, "%u.%u%c", &second, &ns, &dummy); | |
311 | if (s_ret == 2) { | |
312 | bound->ns_from_origin = ((int64_t) second) * NS_PER_S; | |
313 | bound->ns_from_origin += (int64_t) ns; | |
314 | bound->is_set = true; | |
315 | goto end; | |
316 | } | |
317 | ||
318 | /* Try `-s` format */ | |
319 | s_ret = sscanf(str, "-%u%c", &second, &dummy); | |
320 | if (s_ret == 1) { | |
321 | bound->ns_from_origin = -((int64_t) second) * NS_PER_S; | |
322 | bound->is_set = true; | |
323 | goto end; | |
324 | } | |
325 | ||
326 | /* Try `s` format */ | |
327 | s_ret = sscanf(str, "%u%c", &second, &dummy); | |
328 | if (s_ret == 1) { | |
329 | bound->ns_from_origin = (int64_t) second * NS_PER_S; | |
330 | bound->is_set = true; | |
331 | goto end; | |
332 | } | |
333 | ||
ec4ae660 | 334 | BT_COMP_LOGE("Invalid date/time format: param=\"%s\"", str); |
7de0e49a PP |
335 | ret = -1; |
336 | ||
337 | end: | |
338 | return ret; | |
339 | } | |
340 | ||
341 | /* | |
342 | * Sets a trimmer bound's properties from a parameter string/integer | |
343 | * value. | |
344 | * | |
345 | * Returns a negative value if anything goes wrong. | |
528debdf | 346 | */ |
44d3cbf0 | 347 | static |
0d9a3d3e PP |
348 | int set_bound_from_param(struct trimmer_comp *trimmer_comp, |
349 | const char *param_name, const bt_value *param, | |
7de0e49a | 350 | struct trimmer_bound *bound, bool is_gmt) |
528debdf MD |
351 | { |
352 | int ret; | |
268fae9a | 353 | const char *arg; |
7de0e49a | 354 | char tmp_arg[64]; |
268fae9a | 355 | |
fdd3a2da PP |
356 | if (bt_value_is_signed_integer(param)) { |
357 | int64_t value = bt_value_signed_integer_get(param); | |
7de0e49a PP |
358 | |
359 | /* | |
360 | * Just convert it to a temporary string to handle | |
361 | * everything the same way. | |
362 | */ | |
363 | sprintf(tmp_arg, "%" PRId64, value); | |
364 | arg = tmp_arg; | |
365 | } else if (bt_value_is_string(param)) { | |
366 | arg = bt_value_string_get(param); | |
367 | } else { | |
ec4ae660 | 368 | BT_COMP_LOGE("`%s` parameter must be an integer or a string value.", |
268fae9a | 369 | param_name); |
7de0e49a PP |
370 | ret = -1; |
371 | goto end; | |
268fae9a PP |
372 | } |
373 | ||
0d9a3d3e | 374 | ret = set_bound_from_str(trimmer_comp, arg, bound, is_gmt); |
7de0e49a PP |
375 | |
376 | end: | |
377 | return ret; | |
378 | } | |
379 | ||
380 | static | |
0d9a3d3e PP |
381 | int validate_trimmer_bounds(struct trimmer_comp *trimmer_comp, |
382 | struct trimmer_bound *begin, struct trimmer_bound *end) | |
7de0e49a PP |
383 | { |
384 | int ret = 0; | |
385 | ||
386 | BT_ASSERT(begin->is_set); | |
387 | BT_ASSERT(end->is_set); | |
388 | ||
389 | if (!begin->is_infinite && !end->is_infinite && | |
390 | begin->ns_from_origin > end->ns_from_origin) { | |
ec4ae660 | 391 | BT_COMP_LOGE("Trimming time range's beginning time is greater than end time: " |
7de0e49a PP |
392 | "begin-ns-from-origin=%" PRId64 ", " |
393 | "end-ns-from-origin=%" PRId64, | |
394 | begin->ns_from_origin, | |
395 | end->ns_from_origin); | |
396 | ret = -1; | |
397 | goto end; | |
528debdf MD |
398 | } |
399 | ||
7de0e49a | 400 | if (!begin->is_infinite && begin->ns_from_origin == INT64_MIN) { |
ec4ae660 | 401 | BT_COMP_LOGE("Invalid trimming time range's beginning time: " |
7de0e49a PP |
402 | "ns-from-origin=%" PRId64, |
403 | begin->ns_from_origin); | |
404 | ret = -1; | |
405 | goto end; | |
406 | } | |
528debdf | 407 | |
7de0e49a | 408 | if (!end->is_infinite && end->ns_from_origin == INT64_MIN) { |
ec4ae660 | 409 | BT_COMP_LOGE("Invalid trimming time range's end time: " |
7de0e49a PP |
410 | "ns-from-origin=%" PRId64, |
411 | end->ns_from_origin); | |
412 | ret = -1; | |
413 | goto end; | |
414 | } | |
528debdf | 415 | |
7de0e49a PP |
416 | end: |
417 | return ret; | |
528debdf MD |
418 | } |
419 | ||
420 | static | |
7de0e49a PP |
421 | int init_trimmer_comp_from_params(struct trimmer_comp *trimmer_comp, |
422 | const bt_value *params) | |
44d3cbf0 | 423 | { |
7de0e49a PP |
424 | const bt_value *value; |
425 | int ret = 0; | |
44d3cbf0 | 426 | |
f6ccaed9 | 427 | BT_ASSERT(params); |
7de0e49a | 428 | value = bt_value_map_borrow_entry_value_const(params, "gmt"); |
528debdf | 429 | if (value) { |
7de0e49a | 430 | trimmer_comp->is_gmt = (bool) bt_value_bool_get(value); |
528debdf MD |
431 | } |
432 | ||
7de0e49a | 433 | value = bt_value_map_borrow_entry_value_const(params, "begin"); |
528debdf | 434 | if (value) { |
0d9a3d3e | 435 | if (set_bound_from_param(trimmer_comp, "begin", value, |
7de0e49a PP |
436 | &trimmer_comp->begin, trimmer_comp->is_gmt)) { |
437 | /* set_bound_from_param() logs errors */ | |
438 | ret = BT_SELF_COMPONENT_STATUS_ERROR; | |
268fae9a | 439 | goto end; |
44d3cbf0 | 440 | } |
7de0e49a PP |
441 | } else { |
442 | trimmer_comp->begin.is_infinite = true; | |
443 | trimmer_comp->begin.is_set = true; | |
44d3cbf0 | 444 | } |
528debdf | 445 | |
7de0e49a | 446 | value = bt_value_map_borrow_entry_value_const(params, "end"); |
528debdf | 447 | if (value) { |
0d9a3d3e | 448 | if (set_bound_from_param(trimmer_comp, "end", value, |
7de0e49a PP |
449 | &trimmer_comp->end, trimmer_comp->is_gmt)) { |
450 | /* set_bound_from_param() logs errors */ | |
451 | ret = BT_SELF_COMPONENT_STATUS_ERROR; | |
268fae9a | 452 | goto end; |
528debdf | 453 | } |
7de0e49a PP |
454 | } else { |
455 | trimmer_comp->end.is_infinite = true; | |
456 | trimmer_comp->end.is_set = true; | |
528debdf | 457 | } |
268fae9a | 458 | |
528debdf | 459 | end: |
7de0e49a PP |
460 | if (trimmer_comp->begin.is_set && trimmer_comp->end.is_set) { |
461 | /* validate_trimmer_bounds() logs errors */ | |
0d9a3d3e PP |
462 | ret = validate_trimmer_bounds(trimmer_comp, |
463 | &trimmer_comp->begin, &trimmer_comp->end); | |
55595636 | 464 | } |
7de0e49a | 465 | |
528debdf | 466 | return ret; |
44d3cbf0 JG |
467 | } |
468 | ||
ec4ae660 | 469 | bt_self_component_status trimmer_init(bt_self_component_filter *self_comp_flt, |
7de0e49a | 470 | const bt_value *params, void *init_data) |
cab3f160 | 471 | { |
7de0e49a PP |
472 | int ret; |
473 | bt_self_component_status status; | |
474 | struct trimmer_comp *trimmer_comp = create_trimmer_comp(); | |
ec4ae660 PP |
475 | bt_self_component *self_comp = |
476 | bt_self_component_filter_as_self_component(self_comp_flt); | |
7de0e49a | 477 | if (!trimmer_comp) { |
8dad9b32 | 478 | status = BT_SELF_COMPONENT_STATUS_NOMEM; |
7de0e49a | 479 | goto error; |
cab3f160 JG |
480 | } |
481 | ||
0d9a3d3e | 482 | trimmer_comp->log_level = bt_component_get_logging_level( |
ec4ae660 PP |
483 | bt_self_component_as_component(self_comp)); |
484 | trimmer_comp->self_comp = self_comp; | |
7de0e49a | 485 | status = bt_self_component_filter_add_input_port( |
ec4ae660 | 486 | self_comp_flt, in_port_name, NULL, NULL); |
7de0e49a | 487 | if (status != BT_SELF_COMPONENT_STATUS_OK) { |
b9d103be PP |
488 | goto error; |
489 | } | |
490 | ||
7de0e49a | 491 | status = bt_self_component_filter_add_output_port( |
ec4ae660 | 492 | self_comp_flt, "out", NULL, NULL); |
7de0e49a | 493 | if (status != BT_SELF_COMPONENT_STATUS_OK) { |
b9d103be PP |
494 | goto error; |
495 | } | |
496 | ||
7de0e49a PP |
497 | ret = init_trimmer_comp_from_params(trimmer_comp, params); |
498 | if (ret) { | |
8dad9b32 | 499 | status = BT_SELF_COMPONENT_STATUS_ERROR; |
cab3f160 JG |
500 | goto error; |
501 | } | |
502 | ||
ec4ae660 | 503 | bt_self_component_set_data(self_comp, trimmer_comp); |
7de0e49a PP |
504 | goto end; |
505 | ||
506 | error: | |
507 | if (status == BT_SELF_COMPONENT_STATUS_OK) { | |
508 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
509 | } | |
510 | ||
511 | if (trimmer_comp) { | |
512 | destroy_trimmer_comp(trimmer_comp); | |
513 | } | |
514 | ||
cab3f160 | 515 | end: |
8dad9b32 | 516 | return status; |
7de0e49a PP |
517 | } |
518 | ||
519 | static | |
520 | void destroy_trimmer_iterator(struct trimmer_iterator *trimmer_it) | |
521 | { | |
522 | BT_ASSERT(trimmer_it); | |
523 | bt_self_component_port_input_message_iterator_put_ref( | |
524 | trimmer_it->upstream_iter); | |
525 | ||
526 | if (trimmer_it->output_messages) { | |
527 | g_queue_free(trimmer_it->output_messages); | |
528 | } | |
529 | ||
530 | if (trimmer_it->stream_states) { | |
531 | g_hash_table_destroy(trimmer_it->stream_states); | |
532 | } | |
533 | ||
534 | g_free(trimmer_it); | |
535 | } | |
536 | ||
537 | static | |
538 | void destroy_trimmer_iterator_stream_state( | |
539 | struct trimmer_iterator_stream_state *sstate) | |
540 | { | |
541 | BT_ASSERT(sstate); | |
542 | BT_PACKET_PUT_REF_AND_RESET(sstate->cur_packet); | |
7de0e49a PP |
543 | g_free(sstate); |
544 | } | |
545 | ||
546 | BT_HIDDEN | |
547 | bt_self_message_iterator_status trimmer_msg_iter_init( | |
548 | bt_self_message_iterator *self_msg_iter, | |
549 | bt_self_component_filter *self_comp, | |
550 | bt_self_component_port_output *port) | |
551 | { | |
552 | bt_self_message_iterator_status status = | |
553 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
554 | struct trimmer_iterator *trimmer_it; | |
555 | ||
556 | trimmer_it = g_new0(struct trimmer_iterator, 1); | |
557 | if (!trimmer_it) { | |
558 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
559 | goto end; | |
560 | } | |
561 | ||
562 | trimmer_it->trimmer_comp = bt_self_component_get_data( | |
563 | bt_self_component_filter_as_self_component(self_comp)); | |
564 | BT_ASSERT(trimmer_it->trimmer_comp); | |
565 | ||
566 | if (trimmer_it->trimmer_comp->begin.is_set && | |
567 | trimmer_it->trimmer_comp->end.is_set) { | |
568 | /* | |
569 | * Both trimming time range's bounds are set, so skip | |
570 | * the | |
571 | * `TRIMMER_ITERATOR_STATE_SET_BOUNDS_NS_FROM_ORIGIN` | |
572 | * phase. | |
573 | */ | |
574 | trimmer_it->state = TRIMMER_ITERATOR_STATE_SEEK_INITIALLY; | |
575 | } | |
576 | ||
577 | trimmer_it->begin = trimmer_it->trimmer_comp->begin; | |
578 | trimmer_it->end = trimmer_it->trimmer_comp->end; | |
579 | trimmer_it->upstream_iter = | |
580 | bt_self_component_port_input_message_iterator_create( | |
581 | bt_self_component_filter_borrow_input_port_by_name( | |
582 | self_comp, in_port_name)); | |
583 | if (!trimmer_it->upstream_iter) { | |
584 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
585 | goto end; | |
586 | } | |
587 | ||
588 | trimmer_it->output_messages = g_queue_new(); | |
589 | if (!trimmer_it->output_messages) { | |
590 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
591 | goto end; | |
592 | } | |
593 | ||
594 | trimmer_it->stream_states = g_hash_table_new_full(g_direct_hash, | |
595 | g_direct_equal, NULL, | |
596 | (GDestroyNotify) destroy_trimmer_iterator_stream_state); | |
597 | if (!trimmer_it->stream_states) { | |
598 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
599 | goto end; | |
600 | } | |
601 | ||
602 | trimmer_it->self_msg_iter = self_msg_iter; | |
603 | bt_self_message_iterator_set_data(self_msg_iter, trimmer_it); | |
604 | ||
605 | end: | |
606 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK && trimmer_it) { | |
607 | destroy_trimmer_iterator(trimmer_it); | |
608 | } | |
609 | ||
610 | return status; | |
611 | } | |
612 | ||
613 | static inline | |
614 | int get_msg_ns_from_origin(const bt_message *msg, int64_t *ns_from_origin, | |
615 | bool *skip) | |
616 | { | |
617 | const bt_clock_class *clock_class = NULL; | |
618 | const bt_clock_snapshot *clock_snapshot = NULL; | |
7de0e49a PP |
619 | bt_message_stream_activity_clock_snapshot_state sa_cs_state; |
620 | int ret = 0; | |
621 | ||
622 | BT_ASSERT(msg); | |
623 | BT_ASSERT(ns_from_origin); | |
624 | BT_ASSERT(skip); | |
625 | ||
626 | switch (bt_message_get_type(msg)) { | |
627 | case BT_MESSAGE_TYPE_EVENT: | |
628 | clock_class = | |
629 | bt_message_event_borrow_stream_class_default_clock_class_const( | |
630 | msg); | |
91d81473 | 631 | if (G_UNLIKELY(!clock_class)) { |
7de0e49a PP |
632 | goto error; |
633 | } | |
634 | ||
0cbc2c33 PP |
635 | clock_snapshot = bt_message_event_borrow_default_clock_snapshot_const( |
636 | msg); | |
7de0e49a PP |
637 | break; |
638 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: | |
639 | clock_class = | |
640 | bt_message_packet_beginning_borrow_stream_class_default_clock_class_const( | |
641 | msg); | |
91d81473 | 642 | if (G_UNLIKELY(!clock_class)) { |
7de0e49a PP |
643 | goto error; |
644 | } | |
645 | ||
0cbc2c33 PP |
646 | clock_snapshot = bt_message_packet_beginning_borrow_default_clock_snapshot_const( |
647 | msg); | |
7de0e49a PP |
648 | break; |
649 | case BT_MESSAGE_TYPE_PACKET_END: | |
650 | clock_class = | |
651 | bt_message_packet_end_borrow_stream_class_default_clock_class_const( | |
652 | msg); | |
91d81473 | 653 | if (G_UNLIKELY(!clock_class)) { |
7de0e49a PP |
654 | goto error; |
655 | } | |
656 | ||
0cbc2c33 PP |
657 | clock_snapshot = bt_message_packet_end_borrow_default_clock_snapshot_const( |
658 | msg); | |
7de0e49a PP |
659 | break; |
660 | case BT_MESSAGE_TYPE_DISCARDED_EVENTS: | |
661 | clock_class = | |
662 | bt_message_discarded_events_borrow_stream_class_default_clock_class_const( | |
663 | msg); | |
91d81473 | 664 | if (G_UNLIKELY(!clock_class)) { |
7de0e49a PP |
665 | goto error; |
666 | } | |
667 | ||
9b24b6aa | 668 | clock_snapshot = bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const( |
0cbc2c33 | 669 | msg); |
7de0e49a PP |
670 | break; |
671 | case BT_MESSAGE_TYPE_DISCARDED_PACKETS: | |
672 | clock_class = | |
673 | bt_message_discarded_packets_borrow_stream_class_default_clock_class_const( | |
674 | msg); | |
91d81473 | 675 | if (G_UNLIKELY(!clock_class)) { |
7de0e49a PP |
676 | goto error; |
677 | } | |
678 | ||
9b24b6aa | 679 | clock_snapshot = bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const( |
0cbc2c33 | 680 | msg); |
7de0e49a PP |
681 | break; |
682 | case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING: | |
683 | clock_class = | |
684 | bt_message_stream_activity_beginning_borrow_stream_class_default_clock_class_const( | |
685 | msg); | |
91d81473 | 686 | if (G_UNLIKELY(!clock_class)) { |
7de0e49a PP |
687 | goto error; |
688 | } | |
689 | ||
690 | sa_cs_state = bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const( | |
691 | msg, &clock_snapshot); | |
692 | if (sa_cs_state == BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_UNKNOWN || | |
693 | sa_cs_state == BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_INFINITE) { | |
694 | /* Lowest possible time to always include them */ | |
695 | *ns_from_origin = INT64_MIN; | |
696 | goto no_clock_snapshot; | |
697 | } | |
698 | ||
699 | break; | |
700 | case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END: | |
701 | clock_class = | |
702 | bt_message_stream_activity_end_borrow_stream_class_default_clock_class_const( | |
703 | msg); | |
91d81473 | 704 | if (G_UNLIKELY(!clock_class)) { |
7de0e49a PP |
705 | goto error; |
706 | } | |
707 | ||
708 | sa_cs_state = bt_message_stream_activity_end_borrow_default_clock_snapshot_const( | |
709 | msg, &clock_snapshot); | |
710 | if (sa_cs_state == BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_UNKNOWN) { | |
711 | /* Lowest time to always include it */ | |
712 | *ns_from_origin = INT64_MIN; | |
713 | goto no_clock_snapshot; | |
714 | } else if (sa_cs_state == BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_INFINITE) { | |
715 | /* Greatest time to always exclude it */ | |
716 | *ns_from_origin = INT64_MAX; | |
717 | goto no_clock_snapshot; | |
718 | } | |
719 | ||
720 | break; | |
721 | case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY: | |
0cbc2c33 | 722 | clock_snapshot = |
7de0e49a | 723 | bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const( |
0cbc2c33 | 724 | msg); |
7de0e49a PP |
725 | break; |
726 | default: | |
727 | goto no_clock_snapshot; | |
728 | } | |
729 | ||
7de0e49a PP |
730 | ret = bt_clock_snapshot_get_ns_from_origin(clock_snapshot, |
731 | ns_from_origin); | |
91d81473 | 732 | if (G_UNLIKELY(ret)) { |
7de0e49a PP |
733 | goto error; |
734 | } | |
735 | ||
736 | goto end; | |
737 | ||
738 | no_clock_snapshot: | |
739 | *skip = true; | |
740 | goto end; | |
741 | ||
cab3f160 | 742 | error: |
7de0e49a PP |
743 | ret = -1; |
744 | ||
745 | end: | |
746 | return ret; | |
747 | } | |
748 | ||
749 | static inline | |
750 | void put_messages(bt_message_array_const msgs, uint64_t count) | |
751 | { | |
752 | uint64_t i; | |
753 | ||
754 | for (i = 0; i < count; i++) { | |
755 | BT_MESSAGE_PUT_REF_AND_RESET(msgs[i]); | |
756 | } | |
757 | } | |
758 | ||
759 | static inline | |
0d9a3d3e PP |
760 | int set_trimmer_iterator_bound(struct trimmer_iterator *trimmer_it, |
761 | struct trimmer_bound *bound, int64_t ns_from_origin, | |
762 | bool is_gmt) | |
7de0e49a | 763 | { |
0d9a3d3e | 764 | struct trimmer_comp *trimmer_comp = trimmer_it->trimmer_comp; |
7de0e49a PP |
765 | struct tm tm; |
766 | time_t time_seconds = (time_t) (ns_from_origin / NS_PER_S); | |
767 | int ret = 0; | |
768 | ||
769 | BT_ASSERT(!bound->is_set); | |
770 | errno = 0; | |
771 | ||
772 | /* We only need to extract the date from this time */ | |
773 | if (is_gmt) { | |
774 | bt_gmtime_r(&time_seconds, &tm); | |
775 | } else { | |
776 | bt_localtime_r(&time_seconds, &tm); | |
777 | } | |
778 | ||
779 | if (errno) { | |
ec4ae660 | 780 | BT_COMP_LOGE_ERRNO("Cannot convert timestamp to date and time", |
7de0e49a PP |
781 | "ts=%" PRId64, (int64_t) time_seconds); |
782 | ret = -1; | |
783 | goto end; | |
784 | } | |
785 | ||
786 | ret = set_bound_ns_from_origin(bound, tm.tm_year + 1900, tm.tm_mon + 1, | |
787 | tm.tm_mday, bound->time.hour, bound->time.minute, | |
788 | bound->time.second, bound->time.ns, is_gmt); | |
789 | ||
790 | end: | |
cab3f160 JG |
791 | return ret; |
792 | } | |
7de0e49a PP |
793 | |
794 | static | |
795 | bt_self_message_iterator_status state_set_trimmer_iterator_bounds( | |
796 | struct trimmer_iterator *trimmer_it) | |
797 | { | |
798 | bt_message_iterator_status upstream_iter_status = | |
799 | BT_MESSAGE_ITERATOR_STATUS_OK; | |
800 | struct trimmer_comp *trimmer_comp = trimmer_it->trimmer_comp; | |
801 | bt_message_array_const msgs; | |
802 | uint64_t count = 0; | |
803 | int64_t ns_from_origin = INT64_MIN; | |
804 | uint64_t i; | |
805 | int ret; | |
806 | ||
807 | BT_ASSERT(!trimmer_it->begin.is_set || | |
808 | !trimmer_it->end.is_set); | |
809 | ||
810 | while (true) { | |
811 | upstream_iter_status = | |
812 | bt_self_component_port_input_message_iterator_next( | |
813 | trimmer_it->upstream_iter, &msgs, &count); | |
814 | if (upstream_iter_status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
815 | goto end; | |
816 | } | |
817 | ||
818 | for (i = 0; i < count; i++) { | |
819 | const bt_message *msg = msgs[i]; | |
820 | bool skip = false; | |
821 | int ret; | |
822 | ||
823 | ret = get_msg_ns_from_origin(msg, &ns_from_origin, | |
824 | &skip); | |
825 | if (ret) { | |
826 | goto error; | |
827 | } | |
828 | ||
829 | if (skip) { | |
830 | continue; | |
831 | } | |
832 | ||
833 | BT_ASSERT(ns_from_origin != INT64_MIN && | |
834 | ns_from_origin != INT64_MAX); | |
835 | put_messages(msgs, count); | |
836 | goto found; | |
837 | } | |
838 | ||
839 | put_messages(msgs, count); | |
840 | } | |
841 | ||
842 | found: | |
843 | if (!trimmer_it->begin.is_set) { | |
844 | BT_ASSERT(!trimmer_it->begin.is_infinite); | |
0d9a3d3e | 845 | ret = set_trimmer_iterator_bound(trimmer_it, &trimmer_it->begin, |
7de0e49a PP |
846 | ns_from_origin, trimmer_comp->is_gmt); |
847 | if (ret) { | |
848 | goto error; | |
849 | } | |
850 | } | |
851 | ||
852 | if (!trimmer_it->end.is_set) { | |
853 | BT_ASSERT(!trimmer_it->end.is_infinite); | |
0d9a3d3e | 854 | ret = set_trimmer_iterator_bound(trimmer_it, &trimmer_it->end, |
7de0e49a PP |
855 | ns_from_origin, trimmer_comp->is_gmt); |
856 | if (ret) { | |
857 | goto error; | |
858 | } | |
859 | } | |
860 | ||
0d9a3d3e PP |
861 | ret = validate_trimmer_bounds(trimmer_it->trimmer_comp, |
862 | &trimmer_it->begin, &trimmer_it->end); | |
7de0e49a PP |
863 | if (ret) { |
864 | goto error; | |
865 | } | |
866 | ||
867 | goto end; | |
868 | ||
869 | error: | |
870 | put_messages(msgs, count); | |
871 | upstream_iter_status = BT_MESSAGE_ITERATOR_STATUS_ERROR; | |
872 | ||
873 | end: | |
874 | return (int) upstream_iter_status; | |
875 | } | |
876 | ||
877 | static | |
878 | bt_self_message_iterator_status state_seek_initially( | |
879 | struct trimmer_iterator *trimmer_it) | |
880 | { | |
0d9a3d3e | 881 | struct trimmer_comp *trimmer_comp = trimmer_it->trimmer_comp; |
7de0e49a PP |
882 | bt_self_message_iterator_status status = |
883 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
884 | ||
885 | BT_ASSERT(trimmer_it->begin.is_set); | |
886 | ||
887 | if (trimmer_it->begin.is_infinite) { | |
888 | if (!bt_self_component_port_input_message_iterator_can_seek_beginning( | |
889 | trimmer_it->upstream_iter)) { | |
ec4ae660 | 890 | BT_COMP_LOGE_STR("Cannot make upstream message iterator initially seek its beginning."); |
419f470d | 891 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
7de0e49a PP |
892 | goto end; |
893 | } | |
894 | ||
895 | status = (int) bt_self_component_port_input_message_iterator_seek_beginning( | |
896 | trimmer_it->upstream_iter); | |
897 | } else { | |
898 | if (!bt_self_component_port_input_message_iterator_can_seek_ns_from_origin( | |
899 | trimmer_it->upstream_iter, | |
900 | trimmer_it->begin.ns_from_origin)) { | |
ec4ae660 | 901 | BT_COMP_LOGE("Cannot make upstream message iterator initially seek: " |
7de0e49a PP |
902 | "seek-ns-from-origin=%" PRId64, |
903 | trimmer_it->begin.ns_from_origin); | |
419f470d | 904 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
7de0e49a PP |
905 | goto end; |
906 | } | |
907 | ||
908 | status = (int) bt_self_component_port_input_message_iterator_seek_ns_from_origin( | |
909 | trimmer_it->upstream_iter, trimmer_it->begin.ns_from_origin); | |
910 | } | |
911 | ||
912 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
913 | trimmer_it->state = TRIMMER_ITERATOR_STATE_TRIM; | |
914 | } | |
915 | ||
916 | end: | |
917 | return status; | |
918 | } | |
919 | ||
920 | static inline | |
921 | void push_message(struct trimmer_iterator *trimmer_it, const bt_message *msg) | |
922 | { | |
923 | g_queue_push_head(trimmer_it->output_messages, (void *) msg); | |
924 | } | |
925 | ||
926 | static inline | |
927 | const bt_message *pop_message(struct trimmer_iterator *trimmer_it) | |
928 | { | |
929 | return g_queue_pop_tail(trimmer_it->output_messages); | |
930 | } | |
931 | ||
932 | static inline | |
933 | int clock_raw_value_from_ns_from_origin(const bt_clock_class *clock_class, | |
934 | int64_t ns_from_origin, uint64_t *raw_value) | |
935 | { | |
936 | ||
937 | int64_t cc_offset_s; | |
938 | uint64_t cc_offset_cycles; | |
939 | uint64_t cc_freq; | |
940 | ||
941 | bt_clock_class_get_offset(clock_class, &cc_offset_s, &cc_offset_cycles); | |
942 | cc_freq = bt_clock_class_get_frequency(clock_class); | |
943 | return bt_common_clock_value_from_ns_from_origin(cc_offset_s, | |
944 | cc_offset_cycles, cc_freq, ns_from_origin, raw_value); | |
945 | } | |
946 | ||
947 | static inline | |
948 | bt_self_message_iterator_status end_stream(struct trimmer_iterator *trimmer_it, | |
949 | struct trimmer_iterator_stream_state *sstate) | |
950 | { | |
951 | bt_self_message_iterator_status status = | |
952 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
953 | uint64_t raw_value; | |
954 | const bt_clock_class *clock_class; | |
955 | int ret; | |
956 | bt_message *msg = NULL; | |
957 | ||
958 | BT_ASSERT(!trimmer_it->end.is_infinite); | |
959 | ||
960 | if (!sstate->stream) { | |
961 | goto end; | |
962 | } | |
963 | ||
964 | if (sstate->cur_packet) { | |
965 | /* | |
966 | * The last message could not have been a stream | |
967 | * activity end message if we have a current packet. | |
968 | */ | |
969 | BT_ASSERT(!sstate->last_msg_is_stream_activity_end); | |
970 | ||
971 | /* | |
972 | * Create and push a packet end message, making its time | |
973 | * the trimming range's end time. | |
974 | */ | |
975 | clock_class = bt_stream_class_borrow_default_clock_class_const( | |
976 | bt_stream_borrow_class_const(sstate->stream)); | |
977 | BT_ASSERT(clock_class); | |
978 | ret = clock_raw_value_from_ns_from_origin(clock_class, | |
979 | trimmer_it->end.ns_from_origin, &raw_value); | |
980 | if (ret) { | |
981 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
982 | goto end; | |
983 | } | |
984 | ||
985 | msg = bt_message_packet_end_create_with_default_clock_snapshot( | |
986 | trimmer_it->self_msg_iter, sstate->cur_packet, | |
987 | raw_value); | |
988 | if (!msg) { | |
989 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
990 | goto end; | |
991 | } | |
992 | ||
993 | push_message(trimmer_it, msg); | |
994 | msg = NULL; | |
995 | BT_PACKET_PUT_REF_AND_RESET(sstate->cur_packet); | |
996 | ||
997 | /* | |
998 | * Because we generated a packet end message, set the | |
999 | * stream activity end message's time to use to the | |
1000 | * trimming range's end time (this packet end message's | |
1001 | * time). | |
1002 | */ | |
1003 | sstate->stream_act_end_ns_from_origin = | |
1004 | trimmer_it->end.ns_from_origin; | |
1005 | } | |
1006 | ||
1007 | if (!sstate->last_msg_is_stream_activity_end) { | |
1008 | /* Create and push a stream activity end message */ | |
1009 | msg = bt_message_stream_activity_end_create( | |
1010 | trimmer_it->self_msg_iter, sstate->stream); | |
1011 | if (!msg) { | |
1012 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1013 | goto end; | |
1014 | } | |
1015 | ||
1016 | clock_class = bt_stream_class_borrow_default_clock_class_const( | |
1017 | bt_stream_borrow_class_const(sstate->stream)); | |
1018 | BT_ASSERT(clock_class); | |
cb179cb6 PP |
1019 | |
1020 | if (sstate->stream_act_end_ns_from_origin == INT64_MIN) { | |
1021 | /* | |
1022 | * We received at least what is necessary to | |
1023 | * have a stream state (stream beginning and | |
1024 | * stream activity beginning messages), but | |
1025 | * nothing else: use the trimmer range's end | |
1026 | * time. | |
1027 | */ | |
1028 | sstate->stream_act_end_ns_from_origin = | |
1029 | trimmer_it->end.ns_from_origin; | |
1030 | } | |
1031 | ||
7de0e49a PP |
1032 | ret = clock_raw_value_from_ns_from_origin(clock_class, |
1033 | sstate->stream_act_end_ns_from_origin, &raw_value); | |
1034 | if (ret) { | |
1035 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
1036 | goto end; | |
1037 | } | |
1038 | ||
1039 | bt_message_stream_activity_end_set_default_clock_snapshot( | |
1040 | msg, raw_value); | |
1041 | push_message(trimmer_it, msg); | |
1042 | msg = NULL; | |
1043 | } | |
1044 | ||
1045 | /* Create and push a stream end message */ | |
1046 | msg = bt_message_stream_end_create(trimmer_it->self_msg_iter, | |
1047 | sstate->stream); | |
1048 | if (!msg) { | |
1049 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1050 | goto end; | |
1051 | } | |
1052 | ||
1053 | push_message(trimmer_it, msg); | |
1054 | msg = NULL; | |
1055 | ||
1056 | /* | |
1057 | * Just to make sure that we don't use this stream state again | |
1058 | * in the future without an obvious error. | |
1059 | */ | |
1060 | sstate->stream = NULL; | |
1061 | ||
1062 | end: | |
1063 | bt_message_put_ref(msg); | |
1064 | return status; | |
1065 | } | |
1066 | ||
1067 | static inline | |
1068 | bt_self_message_iterator_status end_iterator_streams( | |
1069 | struct trimmer_iterator *trimmer_it) | |
1070 | { | |
1071 | bt_self_message_iterator_status status = | |
1072 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1073 | GHashTableIter iter; | |
1074 | gpointer key, sstate; | |
1075 | ||
1076 | if (trimmer_it->end.is_infinite) { | |
1077 | /* | |
1078 | * An infinite trimming range's end time guarantees that | |
1079 | * we received (and pushed) all the appropriate end | |
1080 | * messages. | |
1081 | */ | |
1082 | goto remove_all; | |
1083 | } | |
1084 | ||
1085 | /* | |
1086 | * End each stream and then remove them from the hash table of | |
1087 | * stream states to release unneeded references. | |
1088 | */ | |
1089 | g_hash_table_iter_init(&iter, trimmer_it->stream_states); | |
1090 | ||
1091 | while (g_hash_table_iter_next(&iter, &key, &sstate)) { | |
1092 | status = end_stream(trimmer_it, sstate); | |
1093 | if (status) { | |
1094 | goto end; | |
1095 | } | |
1096 | } | |
1097 | ||
1098 | remove_all: | |
1099 | g_hash_table_remove_all(trimmer_it->stream_states); | |
1100 | ||
1101 | end: | |
1102 | return status; | |
1103 | } | |
1104 | ||
1105 | static inline | |
1106 | bt_self_message_iterator_status create_stream_beginning_activity_message( | |
1107 | struct trimmer_iterator *trimmer_it, | |
1108 | const bt_stream *stream, | |
1109 | const bt_clock_class *clock_class, bt_message **msg) | |
1110 | { | |
75a15167 | 1111 | bt_message *local_msg; |
7de0e49a PP |
1112 | bt_self_message_iterator_status status = |
1113 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1114 | ||
1115 | BT_ASSERT(msg); | |
1116 | BT_ASSERT(!trimmer_it->begin.is_infinite); | |
1117 | ||
75a15167 | 1118 | local_msg = bt_message_stream_activity_beginning_create( |
7de0e49a | 1119 | trimmer_it->self_msg_iter, stream); |
75a15167 | 1120 | if (!local_msg) { |
7de0e49a PP |
1121 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; |
1122 | goto end; | |
1123 | } | |
1124 | ||
1125 | if (clock_class) { | |
1126 | int ret; | |
1127 | uint64_t raw_value; | |
1128 | ||
1129 | ret = clock_raw_value_from_ns_from_origin(clock_class, | |
1130 | trimmer_it->begin.ns_from_origin, &raw_value); | |
1131 | if (ret) { | |
1132 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
75a15167 | 1133 | bt_message_put_ref(local_msg); |
7de0e49a PP |
1134 | goto end; |
1135 | } | |
1136 | ||
1137 | bt_message_stream_activity_beginning_set_default_clock_snapshot( | |
75a15167 | 1138 | local_msg, raw_value); |
7de0e49a PP |
1139 | } |
1140 | ||
75a15167 FD |
1141 | BT_MESSAGE_MOVE_REF(*msg, local_msg); |
1142 | ||
7de0e49a PP |
1143 | end: |
1144 | return status; | |
1145 | } | |
1146 | ||
7de0e49a PP |
1147 | /* |
1148 | * Handles a message which is associated to a given stream state. This | |
1149 | * _could_ make the iterator's output message queue grow; this could | |
1150 | * also consume the message without pushing anything to this queue, only | |
1151 | * modifying the stream state. | |
1152 | * | |
1153 | * This function consumes the `msg` reference, _whatever the outcome_. | |
1154 | * | |
1155 | * `ns_from_origin` is the message's time, as given by | |
1156 | * get_msg_ns_from_origin(). | |
1157 | * | |
1158 | * This function sets `reached_end` if handling this message made the | |
1159 | * iterator reach the end of the trimming range. Note that the output | |
1160 | * message queue could contain messages even if this function sets | |
1161 | * `reached_end`. | |
1162 | */ | |
1163 | static inline | |
1164 | bt_self_message_iterator_status handle_message_with_stream_state( | |
1165 | struct trimmer_iterator *trimmer_it, const bt_message *msg, | |
1166 | struct trimmer_iterator_stream_state *sstate, | |
1167 | int64_t ns_from_origin, bool *reached_end) | |
1168 | { | |
1169 | bt_self_message_iterator_status status = | |
1170 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1171 | bt_message_type msg_type = bt_message_get_type(msg); | |
1172 | int ret; | |
1173 | ||
1174 | switch (msg_type) { | |
1175 | case BT_MESSAGE_TYPE_EVENT: | |
91d81473 | 1176 | if (G_UNLIKELY(!trimmer_it->end.is_infinite && |
7de0e49a PP |
1177 | ns_from_origin > trimmer_it->end.ns_from_origin)) { |
1178 | status = end_iterator_streams(trimmer_it); | |
1179 | *reached_end = true; | |
1180 | break; | |
1181 | } | |
1182 | ||
7de0e49a PP |
1183 | BT_ASSERT(sstate->cur_packet); |
1184 | push_message(trimmer_it, msg); | |
1185 | msg = NULL; | |
1186 | break; | |
1187 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: | |
91d81473 | 1188 | if (G_UNLIKELY(!trimmer_it->end.is_infinite && |
7de0e49a PP |
1189 | ns_from_origin > trimmer_it->end.ns_from_origin)) { |
1190 | status = end_iterator_streams(trimmer_it); | |
1191 | *reached_end = true; | |
1192 | break; | |
1193 | } | |
1194 | ||
7de0e49a PP |
1195 | BT_ASSERT(!sstate->cur_packet); |
1196 | sstate->cur_packet = | |
1197 | bt_message_packet_beginning_borrow_packet_const(msg); | |
1198 | bt_packet_get_ref(sstate->cur_packet); | |
1199 | push_message(trimmer_it, msg); | |
1200 | msg = NULL; | |
1201 | break; | |
1202 | case BT_MESSAGE_TYPE_PACKET_END: | |
1203 | sstate->stream_act_end_ns_from_origin = ns_from_origin; | |
1204 | ||
91d81473 | 1205 | if (G_UNLIKELY(!trimmer_it->end.is_infinite && |
7de0e49a PP |
1206 | ns_from_origin > trimmer_it->end.ns_from_origin)) { |
1207 | status = end_iterator_streams(trimmer_it); | |
1208 | *reached_end = true; | |
1209 | break; | |
1210 | } | |
1211 | ||
7de0e49a PP |
1212 | BT_ASSERT(sstate->cur_packet); |
1213 | BT_PACKET_PUT_REF_AND_RESET(sstate->cur_packet); | |
1214 | push_message(trimmer_it, msg); | |
1215 | msg = NULL; | |
1216 | break; | |
1217 | case BT_MESSAGE_TYPE_DISCARDED_EVENTS: | |
1218 | case BT_MESSAGE_TYPE_DISCARDED_PACKETS: | |
1219 | { | |
1220 | /* | |
1221 | * `ns_from_origin` is the message's time range's | |
1222 | * beginning time here. | |
1223 | */ | |
1224 | int64_t end_ns_from_origin; | |
1225 | const bt_clock_snapshot *end_cs; | |
1226 | ||
1227 | if (bt_message_get_type(msg) == | |
1228 | BT_MESSAGE_TYPE_DISCARDED_EVENTS) { | |
1229 | /* | |
1230 | * Safe to ignore the return value because we | |
1231 | * know there's a default clock and it's always | |
1232 | * known. | |
1233 | */ | |
9b24b6aa | 1234 | end_cs = bt_message_discarded_events_borrow_end_default_clock_snapshot_const( |
0cbc2c33 | 1235 | msg); |
7de0e49a PP |
1236 | } else { |
1237 | /* | |
1238 | * Safe to ignore the return value because we | |
1239 | * know there's a default clock and it's always | |
1240 | * known. | |
1241 | */ | |
9b24b6aa | 1242 | end_cs = bt_message_discarded_packets_borrow_end_default_clock_snapshot_const( |
0cbc2c33 | 1243 | msg); |
7de0e49a PP |
1244 | } |
1245 | ||
1246 | if (bt_clock_snapshot_get_ns_from_origin(end_cs, | |
1247 | &end_ns_from_origin)) { | |
1248 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
1249 | goto end; | |
1250 | } | |
1251 | ||
1252 | sstate->stream_act_end_ns_from_origin = end_ns_from_origin; | |
1253 | ||
1254 | if (!trimmer_it->end.is_infinite && | |
1255 | ns_from_origin > trimmer_it->end.ns_from_origin) { | |
1256 | status = end_iterator_streams(trimmer_it); | |
1257 | *reached_end = true; | |
1258 | break; | |
1259 | } | |
1260 | ||
1261 | if (!trimmer_it->end.is_infinite && | |
1262 | end_ns_from_origin > trimmer_it->end.ns_from_origin) { | |
1263 | /* | |
1264 | * This message's end time is outside the | |
1265 | * trimming time range: replace it with a new | |
1266 | * message having an end time equal to the | |
1267 | * trimming time range's end and without a | |
1268 | * count. | |
1269 | */ | |
1270 | const bt_clock_class *clock_class = | |
1271 | bt_clock_snapshot_borrow_clock_class_const( | |
1272 | end_cs); | |
1273 | const bt_clock_snapshot *begin_cs; | |
1274 | bt_message *new_msg; | |
1275 | uint64_t end_raw_value; | |
1276 | ||
1277 | ret = clock_raw_value_from_ns_from_origin(clock_class, | |
1278 | trimmer_it->end.ns_from_origin, &end_raw_value); | |
1279 | if (ret) { | |
1280 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
1281 | goto end; | |
1282 | } | |
1283 | ||
1284 | if (msg_type == BT_MESSAGE_TYPE_DISCARDED_EVENTS) { | |
9b24b6aa | 1285 | begin_cs = bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const( |
0cbc2c33 | 1286 | msg); |
7de0e49a PP |
1287 | new_msg = bt_message_discarded_events_create_with_default_clock_snapshots( |
1288 | trimmer_it->self_msg_iter, | |
1289 | sstate->stream, | |
1290 | bt_clock_snapshot_get_value(begin_cs), | |
1291 | end_raw_value); | |
1292 | } else { | |
9b24b6aa | 1293 | begin_cs = bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const( |
0cbc2c33 | 1294 | msg); |
7de0e49a PP |
1295 | new_msg = bt_message_discarded_packets_create_with_default_clock_snapshots( |
1296 | trimmer_it->self_msg_iter, | |
1297 | sstate->stream, | |
1298 | bt_clock_snapshot_get_value(begin_cs), | |
1299 | end_raw_value); | |
1300 | } | |
1301 | ||
1302 | if (!new_msg) { | |
1303 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1304 | goto end; | |
1305 | } | |
1306 | ||
1307 | /* Replace the original message */ | |
1308 | BT_MESSAGE_MOVE_REF(msg, new_msg); | |
1309 | } | |
1310 | ||
7de0e49a PP |
1311 | push_message(trimmer_it, msg); |
1312 | msg = NULL; | |
1313 | break; | |
1314 | } | |
1315 | case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING: | |
1316 | if (!trimmer_it->end.is_infinite && | |
1317 | ns_from_origin > trimmer_it->end.ns_from_origin) { | |
1318 | /* | |
1319 | * This only happens when the message's time is | |
1320 | * known and is greater than the trimming | |
1321 | * range's end time. Unknown and -inf times are | |
1322 | * always less than | |
1323 | * `trimmer_it->end.ns_from_origin`. | |
1324 | */ | |
1325 | status = end_iterator_streams(trimmer_it); | |
1326 | *reached_end = true; | |
1327 | break; | |
1328 | } | |
1329 | ||
5b7b55be SM |
1330 | push_message(trimmer_it, msg); |
1331 | msg = NULL; | |
7de0e49a PP |
1332 | break; |
1333 | case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END: | |
1334 | if (trimmer_it->end.is_infinite) { | |
1335 | push_message(trimmer_it, msg); | |
1336 | msg = NULL; | |
1337 | break; | |
1338 | } | |
1339 | ||
1340 | if (ns_from_origin == INT64_MIN) { | |
5b7b55be SM |
1341 | /* Unknown: consider it to be in the trimmer window. */ |
1342 | push_message(trimmer_it, msg); | |
1343 | msg = NULL; | |
1344 | sstate->last_msg_is_stream_activity_end = true; | |
7de0e49a PP |
1345 | } else if (ns_from_origin == INT64_MAX) { |
1346 | /* Infinite: use trimming range's end time */ | |
1347 | sstate->stream_act_end_ns_from_origin = | |
1348 | trimmer_it->end.ns_from_origin; | |
1349 | } else { | |
1350 | /* Known: check if outside of trimming range */ | |
1351 | if (ns_from_origin > trimmer_it->end.ns_from_origin) { | |
1352 | sstate->stream_act_end_ns_from_origin = | |
1353 | trimmer_it->end.ns_from_origin; | |
1354 | status = end_iterator_streams(trimmer_it); | |
1355 | *reached_end = true; | |
1356 | break; | |
1357 | } | |
1358 | ||
7de0e49a PP |
1359 | push_message(trimmer_it, msg); |
1360 | msg = NULL; | |
1361 | sstate->last_msg_is_stream_activity_end = true; | |
1362 | sstate->stream_act_end_ns_from_origin = ns_from_origin; | |
1363 | } | |
1364 | ||
1365 | break; | |
1366 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: | |
5b7b55be SM |
1367 | push_message(trimmer_it, msg); |
1368 | msg = NULL; | |
7de0e49a PP |
1369 | break; |
1370 | case BT_MESSAGE_TYPE_STREAM_END: | |
5b7b55be SM |
1371 | /* |
1372 | * This is the end of a stream: end this | |
1373 | * stream if its stream activity end message | |
1374 | * time is not the trimming range's end time | |
1375 | * (which means the final stream activity end | |
1376 | * message had an infinite time). end_stream() | |
1377 | * will generate its own stream end message. | |
1378 | */ | |
1379 | if (trimmer_it->end.is_infinite) { | |
1380 | push_message(trimmer_it, msg); | |
1381 | msg = NULL; | |
1382 | ||
1383 | /* We won't need this stream state again */ | |
1384 | g_hash_table_remove(trimmer_it->stream_states, sstate->stream); | |
1385 | } else if (sstate->stream_act_end_ns_from_origin < | |
1386 | trimmer_it->end.ns_from_origin) { | |
1387 | status = end_stream(trimmer_it, sstate); | |
1388 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
1389 | goto end; | |
7de0e49a | 1390 | } |
5b7b55be SM |
1391 | |
1392 | /* We won't need this stream state again */ | |
7de0e49a PP |
1393 | g_hash_table_remove(trimmer_it->stream_states, sstate->stream); |
1394 | } | |
7de0e49a PP |
1395 | break; |
1396 | default: | |
1397 | break; | |
1398 | } | |
1399 | ||
1400 | end: | |
1401 | /* We release the message's reference whatever the outcome */ | |
1402 | bt_message_put_ref(msg); | |
1403 | return BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1404 | } | |
1405 | ||
1406 | /* | |
1407 | * Handles an input message. This _could_ make the iterator's output | |
1408 | * message queue grow; this could also consume the message without | |
1409 | * pushing anything to this queue, only modifying the stream state. | |
1410 | * | |
1411 | * This function consumes the `msg` reference, _whatever the outcome_. | |
1412 | * | |
1413 | * This function sets `reached_end` if handling this message made the | |
1414 | * iterator reach the end of the trimming range. Note that the output | |
1415 | * message queue could contain messages even if this function sets | |
1416 | * `reached_end`. | |
1417 | */ | |
1418 | static inline | |
1419 | bt_self_message_iterator_status handle_message( | |
1420 | struct trimmer_iterator *trimmer_it, const bt_message *msg, | |
1421 | bool *reached_end) | |
1422 | { | |
1423 | bt_self_message_iterator_status status; | |
1424 | const bt_stream *stream = NULL; | |
1425 | int64_t ns_from_origin = INT64_MIN; | |
1426 | bool skip; | |
1427 | int ret; | |
1428 | struct trimmer_iterator_stream_state *sstate = NULL; | |
0d9a3d3e | 1429 | struct trimmer_comp *trimmer_comp = trimmer_it->trimmer_comp; |
7de0e49a PP |
1430 | |
1431 | /* Find message's associated stream */ | |
1432 | switch (bt_message_get_type(msg)) { | |
1433 | case BT_MESSAGE_TYPE_EVENT: | |
1434 | stream = bt_event_borrow_stream_const( | |
1435 | bt_message_event_borrow_event_const(msg)); | |
1436 | break; | |
1437 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: | |
1438 | stream = bt_packet_borrow_stream_const( | |
1439 | bt_message_packet_beginning_borrow_packet_const(msg)); | |
1440 | break; | |
1441 | case BT_MESSAGE_TYPE_PACKET_END: | |
1442 | stream = bt_packet_borrow_stream_const( | |
1443 | bt_message_packet_end_borrow_packet_const(msg)); | |
1444 | break; | |
1445 | case BT_MESSAGE_TYPE_DISCARDED_EVENTS: | |
1446 | stream = bt_message_discarded_events_borrow_stream_const(msg); | |
1447 | break; | |
1448 | case BT_MESSAGE_TYPE_DISCARDED_PACKETS: | |
1449 | stream = bt_message_discarded_packets_borrow_stream_const(msg); | |
1450 | break; | |
1451 | case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING: | |
1452 | stream = bt_message_stream_activity_beginning_borrow_stream_const(msg); | |
1453 | break; | |
1454 | case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END: | |
1455 | stream = bt_message_stream_activity_end_borrow_stream_const(msg); | |
1456 | break; | |
1457 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: | |
1458 | stream = bt_message_stream_beginning_borrow_stream_const(msg); | |
1459 | break; | |
1460 | case BT_MESSAGE_TYPE_STREAM_END: | |
1461 | stream = bt_message_stream_end_borrow_stream_const(msg); | |
1462 | break; | |
1463 | default: | |
1464 | break; | |
1465 | } | |
1466 | ||
91d81473 | 1467 | if (G_LIKELY(stream)) { |
7de0e49a PP |
1468 | /* Find stream state */ |
1469 | sstate = g_hash_table_lookup(trimmer_it->stream_states, | |
1470 | stream); | |
91d81473 | 1471 | if (G_UNLIKELY(!sstate)) { |
7de0e49a PP |
1472 | /* No stream state yet: create one now */ |
1473 | const bt_stream_class *sc; | |
1474 | ||
1475 | /* | |
1476 | * Validate right now that the stream's class | |
1477 | * has a registered default clock class so that | |
1478 | * an existing stream state guarantees existing | |
1479 | * default clock snapshots for its associated | |
1480 | * messages. | |
1481 | * | |
1482 | * Also check that clock snapshots are always | |
1483 | * known. | |
1484 | */ | |
1485 | sc = bt_stream_borrow_class_const(stream); | |
1486 | if (!bt_stream_class_borrow_default_clock_class_const(sc)) { | |
ec4ae660 | 1487 | BT_COMP_LOGE("Unsupported stream: stream class does " |
7de0e49a PP |
1488 | "not have a default clock class: " |
1489 | "stream-addr=%p, " | |
1490 | "stream-id=%" PRIu64 ", " | |
1491 | "stream-name=\"%s\"", | |
1492 | stream, bt_stream_get_id(stream), | |
1493 | bt_stream_get_name(stream)); | |
1494 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
1495 | goto end; | |
1496 | } | |
1497 | ||
649934d2 | 1498 | /* |
2e90378a PP |
1499 | * Temporary: make sure packet beginning, packet |
1500 | * end, discarded events, and discarded packets | |
649934d2 PP |
1501 | * messages have default clock snapshots until |
1502 | * the support for not having them is | |
1503 | * implemented. | |
1504 | */ | |
9b24b6aa | 1505 | if (!bt_stream_class_packets_have_beginning_default_clock_snapshot( |
649934d2 | 1506 | sc)) { |
ec4ae660 | 1507 | BT_COMP_LOGE("Unsupported stream: packets have " |
649934d2 PP |
1508 | "no beginning clock snapshot: " |
1509 | "stream-addr=%p, " | |
1510 | "stream-id=%" PRIu64 ", " | |
1511 | "stream-name=\"%s\"", | |
1512 | stream, bt_stream_get_id(stream), | |
1513 | bt_stream_get_name(stream)); | |
1514 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
1515 | goto end; | |
1516 | } | |
1517 | ||
9b24b6aa | 1518 | if (!bt_stream_class_packets_have_end_default_clock_snapshot( |
649934d2 | 1519 | sc)) { |
ec4ae660 | 1520 | BT_COMP_LOGE("Unsupported stream: packets have " |
649934d2 PP |
1521 | "no end clock snapshot: " |
1522 | "stream-addr=%p, " | |
1523 | "stream-id=%" PRIu64 ", " | |
1524 | "stream-name=\"%s\"", | |
1525 | stream, bt_stream_get_id(stream), | |
1526 | bt_stream_get_name(stream)); | |
1527 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
1528 | goto end; | |
1529 | } | |
1530 | ||
2e90378a PP |
1531 | if (bt_stream_class_supports_discarded_events(sc) && |
1532 | !bt_stream_class_discarded_events_have_default_clock_snapshots(sc)) { | |
ec4ae660 | 1533 | BT_COMP_LOGE("Unsupported stream: discarded events " |
2e90378a PP |
1534 | "have no clock snapshots: " |
1535 | "stream-addr=%p, " | |
1536 | "stream-id=%" PRIu64 ", " | |
1537 | "stream-name=\"%s\"", | |
1538 | stream, bt_stream_get_id(stream), | |
1539 | bt_stream_get_name(stream)); | |
1540 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
1541 | goto end; | |
1542 | } | |
1543 | ||
1544 | if (bt_stream_class_supports_discarded_packets(sc) && | |
1545 | !bt_stream_class_discarded_packets_have_default_clock_snapshots(sc)) { | |
ec4ae660 | 1546 | BT_COMP_LOGE("Unsupported stream: discarded packets " |
2e90378a PP |
1547 | "have no clock snapshots: " |
1548 | "stream-addr=%p, " | |
1549 | "stream-id=%" PRIu64 ", " | |
1550 | "stream-name=\"%s\"", | |
1551 | stream, bt_stream_get_id(stream), | |
1552 | bt_stream_get_name(stream)); | |
1553 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
1554 | goto end; | |
1555 | } | |
1556 | ||
7de0e49a PP |
1557 | sstate = g_new0(struct trimmer_iterator_stream_state, |
1558 | 1); | |
1559 | if (!sstate) { | |
1560 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1561 | goto end; | |
1562 | } | |
1563 | ||
1564 | sstate->stream = stream; | |
1565 | sstate->stream_act_end_ns_from_origin = INT64_MIN; | |
1566 | g_hash_table_insert(trimmer_it->stream_states, | |
1567 | (void *) stream, sstate); | |
1568 | } | |
1569 | } | |
1570 | ||
1571 | /* Retrieve the message's time */ | |
1572 | ret = get_msg_ns_from_origin(msg, &ns_from_origin, &skip); | |
91d81473 | 1573 | if (G_UNLIKELY(ret)) { |
7de0e49a PP |
1574 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
1575 | goto end; | |
1576 | } | |
1577 | ||
91d81473 | 1578 | if (G_LIKELY(sstate)) { |
7de0e49a PP |
1579 | /* Message associated to a stream */ |
1580 | status = handle_message_with_stream_state(trimmer_it, msg, | |
1581 | sstate, ns_from_origin, reached_end); | |
1582 | ||
1583 | /* | |
1584 | * handle_message_with_stream_state() unconditionally | |
1585 | * consumes `msg`. | |
1586 | */ | |
1587 | msg = NULL; | |
1588 | } else { | |
1589 | /* | |
1590 | * Message not associated to a stream (message iterator | |
1591 | * inactivity). | |
1592 | */ | |
91d81473 | 1593 | if (G_UNLIKELY(ns_from_origin > trimmer_it->end.ns_from_origin)) { |
7de0e49a PP |
1594 | BT_MESSAGE_PUT_REF_AND_RESET(msg); |
1595 | status = end_iterator_streams(trimmer_it); | |
1596 | *reached_end = true; | |
1597 | } else { | |
1598 | push_message(trimmer_it, msg); | |
8dad9b32 | 1599 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
7de0e49a PP |
1600 | msg = NULL; |
1601 | } | |
1602 | } | |
1603 | ||
1604 | end: | |
1605 | /* We release the message's reference whatever the outcome */ | |
1606 | bt_message_put_ref(msg); | |
1607 | return status; | |
1608 | } | |
1609 | ||
1610 | static inline | |
1611 | void fill_message_array_from_output_messages( | |
1612 | struct trimmer_iterator *trimmer_it, | |
1613 | bt_message_array_const msgs, uint64_t capacity, uint64_t *count) | |
1614 | { | |
1615 | *count = 0; | |
1616 | ||
1617 | /* | |
1618 | * Move auto-seek messages to the output array (which is this | |
1619 | * iterator's base message array). | |
1620 | */ | |
1621 | while (capacity > 0 && !g_queue_is_empty(trimmer_it->output_messages)) { | |
1622 | msgs[*count] = pop_message(trimmer_it); | |
1623 | capacity--; | |
1624 | (*count)++; | |
1625 | } | |
1626 | ||
1627 | BT_ASSERT(*count > 0); | |
1628 | } | |
1629 | ||
1630 | static inline | |
1631 | bt_self_message_iterator_status state_ending( | |
1632 | struct trimmer_iterator *trimmer_it, | |
1633 | bt_message_array_const msgs, uint64_t capacity, | |
1634 | uint64_t *count) | |
1635 | { | |
1636 | bt_self_message_iterator_status status = | |
1637 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1638 | ||
1639 | if (g_queue_is_empty(trimmer_it->output_messages)) { | |
1640 | trimmer_it->state = TRIMMER_ITERATOR_STATE_ENDED; | |
1641 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_END; | |
1642 | goto end; | |
1643 | } | |
1644 | ||
1645 | fill_message_array_from_output_messages(trimmer_it, msgs, | |
1646 | capacity, count); | |
1647 | ||
1648 | end: | |
1649 | return status; | |
1650 | } | |
1651 | ||
1652 | static inline | |
1653 | bt_self_message_iterator_status state_trim(struct trimmer_iterator *trimmer_it, | |
1654 | bt_message_array_const msgs, uint64_t capacity, | |
1655 | uint64_t *count) | |
1656 | { | |
1657 | bt_self_message_iterator_status status = | |
1658 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1659 | bt_message_array_const my_msgs; | |
1660 | uint64_t my_count; | |
1661 | uint64_t i; | |
1662 | bool reached_end = false; | |
1663 | ||
1664 | while (g_queue_is_empty(trimmer_it->output_messages)) { | |
1665 | status = (int) bt_self_component_port_input_message_iterator_next( | |
1666 | trimmer_it->upstream_iter, &my_msgs, &my_count); | |
91d81473 | 1667 | if (G_UNLIKELY(status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK)) { |
7de0e49a PP |
1668 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_END) { |
1669 | status = end_iterator_streams(trimmer_it); | |
1670 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
1671 | goto end; | |
1672 | } | |
1673 | ||
1674 | trimmer_it->state = | |
1675 | TRIMMER_ITERATOR_STATE_ENDING; | |
1676 | status = state_ending(trimmer_it, msgs, | |
1677 | capacity, count); | |
1678 | } | |
1679 | ||
1680 | goto end; | |
1681 | } | |
1682 | ||
1683 | BT_ASSERT(my_count > 0); | |
1684 | ||
1685 | for (i = 0; i < my_count; i++) { | |
1686 | status = handle_message(trimmer_it, my_msgs[i], | |
1687 | &reached_end); | |
1688 | ||
1689 | /* | |
1690 | * handle_message() unconditionally consumes the | |
1691 | * message reference. | |
1692 | */ | |
1693 | my_msgs[i] = NULL; | |
1694 | ||
91d81473 | 1695 | if (G_UNLIKELY(status != |
7de0e49a PP |
1696 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK)) { |
1697 | put_messages(my_msgs, my_count); | |
1698 | goto end; | |
1699 | } | |
1700 | ||
91d81473 | 1701 | if (G_UNLIKELY(reached_end)) { |
7de0e49a PP |
1702 | /* |
1703 | * This message's time was passed the | |
1704 | * trimming time range's end time: we | |
1705 | * are done. Their might still be | |
1706 | * messages in the output message queue, | |
1707 | * so move to the "ending" state and | |
1708 | * apply it immediately since | |
1709 | * state_trim() is called within the | |
1710 | * "next" method. | |
1711 | */ | |
1712 | put_messages(my_msgs, my_count); | |
1713 | trimmer_it->state = | |
1714 | TRIMMER_ITERATOR_STATE_ENDING; | |
1715 | status = state_ending(trimmer_it, msgs, | |
1716 | capacity, count); | |
1717 | goto end; | |
1718 | } | |
1719 | } | |
1720 | } | |
1721 | ||
1722 | /* | |
1723 | * There's at least one message in the output message queue: | |
1724 | * move the messages to the output message array. | |
1725 | */ | |
1726 | BT_ASSERT(!g_queue_is_empty(trimmer_it->output_messages)); | |
1727 | fill_message_array_from_output_messages(trimmer_it, msgs, | |
1728 | capacity, count); | |
1729 | ||
1730 | end: | |
1731 | return status; | |
1732 | } | |
1733 | ||
1734 | BT_HIDDEN | |
1735 | bt_self_message_iterator_status trimmer_msg_iter_next( | |
1736 | bt_self_message_iterator *self_msg_iter, | |
1737 | bt_message_array_const msgs, uint64_t capacity, | |
1738 | uint64_t *count) | |
1739 | { | |
1740 | struct trimmer_iterator *trimmer_it = | |
1741 | bt_self_message_iterator_get_data(self_msg_iter); | |
1742 | bt_self_message_iterator_status status = | |
1743 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1744 | ||
1745 | BT_ASSERT(trimmer_it); | |
1746 | ||
91d81473 | 1747 | if (G_LIKELY(trimmer_it->state == TRIMMER_ITERATOR_STATE_TRIM)) { |
7de0e49a PP |
1748 | status = state_trim(trimmer_it, msgs, capacity, count); |
1749 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
1750 | goto end; | |
1751 | } | |
1752 | } else { | |
1753 | switch (trimmer_it->state) { | |
1754 | case TRIMMER_ITERATOR_STATE_SET_BOUNDS_NS_FROM_ORIGIN: | |
1755 | status = state_set_trimmer_iterator_bounds(trimmer_it); | |
1756 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
1757 | goto end; | |
1758 | } | |
1759 | ||
1760 | status = state_seek_initially(trimmer_it); | |
1761 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
1762 | goto end; | |
1763 | } | |
1764 | ||
1765 | status = state_trim(trimmer_it, msgs, capacity, count); | |
1766 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
1767 | goto end; | |
1768 | } | |
1769 | ||
1770 | break; | |
1771 | case TRIMMER_ITERATOR_STATE_SEEK_INITIALLY: | |
1772 | status = state_seek_initially(trimmer_it); | |
1773 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
1774 | goto end; | |
1775 | } | |
1776 | ||
1777 | status = state_trim(trimmer_it, msgs, capacity, count); | |
1778 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
1779 | goto end; | |
1780 | } | |
1781 | ||
1782 | break; | |
1783 | case TRIMMER_ITERATOR_STATE_ENDING: | |
1784 | status = state_ending(trimmer_it, msgs, capacity, | |
1785 | count); | |
1786 | if (status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
1787 | goto end; | |
1788 | } | |
1789 | ||
1790 | break; | |
1791 | case TRIMMER_ITERATOR_STATE_ENDED: | |
1792 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_END; | |
1793 | break; | |
1794 | default: | |
1795 | abort(); | |
1796 | } | |
1797 | } | |
1798 | ||
1799 | end: | |
1800 | return status; | |
1801 | } | |
1802 | ||
1803 | BT_HIDDEN | |
1804 | void trimmer_msg_iter_finalize(bt_self_message_iterator *self_msg_iter) | |
1805 | { | |
1806 | struct trimmer_iterator *trimmer_it = | |
1807 | bt_self_message_iterator_get_data(self_msg_iter); | |
1808 | ||
1809 | BT_ASSERT(trimmer_it); | |
1810 | destroy_trimmer_iterator(trimmer_it); | |
1811 | } |