Commit | Line | Data |
---|---|---|
434f8068 JR |
1 | /* |
2 | * notification.c | |
3 | * | |
4 | * Tests suite for LTTng notification API | |
5 | * | |
6 | * Copyright (C) 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> | |
7 | * | |
9d16b343 | 8 | * SPDX-License-Identifier: MIT |
434f8068 | 9 | * |
434f8068 JR |
10 | */ |
11 | ||
12 | #include <assert.h> | |
13 | #include <math.h> | |
14 | #include <stdbool.h> | |
15 | #include <stdio.h> | |
16 | #include <stdlib.h> | |
17 | #include <string.h> | |
18 | #include <unistd.h> | |
19 | #include <inttypes.h> | |
20 | #include <sys/types.h> | |
21 | #include <sys/stat.h> | |
22 | #include <fcntl.h> | |
854382b8 | 23 | #include <signal.h> |
854382b8 | 24 | #include <poll.h> |
434f8068 | 25 | |
edf4b93e | 26 | #include <common/compat/errno.h> |
434f8068 JR |
27 | #include <lttng/action/action.h> |
28 | #include <lttng/action/notify.h> | |
29 | #include <lttng/condition/buffer-usage.h> | |
30 | #include <lttng/condition/condition.h> | |
31 | #include <lttng/condition/evaluation.h> | |
32 | #include <lttng/domain.h> | |
33 | #include <lttng/endpoint.h> | |
34 | #include <lttng/lttng-error.h> | |
35 | #include <lttng/notification/channel.h> | |
36 | #include <lttng/notification/notification.h> | |
37 | #include <lttng/trigger/trigger.h> | |
25040abc | 38 | #include <lttng/lttng.h> |
434f8068 JR |
39 | |
40 | #include <tap/tap.h> | |
41 | ||
42 | #define NUM_TESTS 104 | |
854382b8 | 43 | |
434f8068 JR |
44 | int nb_args = 0; |
45 | int named_pipe_args_start = 0; | |
7344b6a3 | 46 | pid_t app_pid = 0; |
854382b8 JR |
47 | const char *app_state_file = NULL; |
48 | ||
49 | static | |
50 | void wait_on_file(const char *path, bool file_exist) | |
51 | { | |
52 | if (!path) { | |
53 | return; | |
54 | } | |
55 | for (;;) { | |
56 | int ret; | |
57 | struct stat buf; | |
58 | ||
59 | ret = stat(path, &buf); | |
60 | if (ret == -1 && errno == ENOENT) { | |
61 | if (file_exist) { | |
f0784451 FD |
62 | /* |
63 | * The file does not exist. wait a bit and | |
64 | * continue looping until it does. | |
65 | */ | |
66 | (void) poll(NULL, 0, 10); | |
67 | continue; | |
854382b8 | 68 | } |
f0784451 FD |
69 | |
70 | /* | |
71 | * File does not exist and the exit condition we want. | |
72 | * Break from the loop and return. | |
73 | */ | |
74 | break; | |
854382b8 JR |
75 | } |
76 | if (ret) { | |
77 | perror("stat"); | |
78 | exit(EXIT_FAILURE); | |
79 | } | |
f0784451 FD |
80 | /* |
81 | * stat() returned 0, so the file exists. break now only if | |
82 | * that's the exit condition we want. | |
83 | */ | |
84 | if (file_exist) { | |
85 | break; | |
86 | } | |
854382b8 JR |
87 | } |
88 | } | |
434f8068 | 89 | |
f12eb9c1 | 90 | static |
434f8068 JR |
91 | int write_pipe(const char *path, uint8_t data) |
92 | { | |
93 | int ret = 0; | |
94 | int fd = 0; | |
95 | ||
96 | fd = open(path, O_WRONLY | O_NONBLOCK); | |
97 | if (fd < 0) { | |
98 | perror("Could not open consumer control named pipe"); | |
99 | goto end; | |
100 | } | |
101 | ||
102 | ret = write(fd, &data , sizeof(data)); | |
103 | if (ret < 1) { | |
104 | perror("Named pipe write failed"); | |
eff748d0 JR |
105 | if (close(fd)) { |
106 | perror("Named pipe close failed"); | |
107 | } | |
434f8068 JR |
108 | ret = -1; |
109 | goto end; | |
110 | } | |
111 | ||
112 | ret = close(fd); | |
113 | if (ret < 0) { | |
114 | perror("Name pipe closing failed"); | |
115 | ret = -1; | |
116 | goto end; | |
117 | } | |
118 | end: | |
119 | return ret; | |
120 | } | |
121 | ||
f12eb9c1 | 122 | static |
434f8068 JR |
123 | int stop_consumer(const char **argv) |
124 | { | |
9df6c82a JG |
125 | int ret = 0, i; |
126 | ||
127 | for (i = named_pipe_args_start; i < nb_args; i++) { | |
434f8068 JR |
128 | ret = write_pipe(argv[i], 49); |
129 | } | |
130 | return ret; | |
131 | } | |
132 | ||
f12eb9c1 | 133 | static |
434f8068 JR |
134 | int resume_consumer(const char **argv) |
135 | { | |
9df6c82a JG |
136 | int ret = 0, i; |
137 | ||
138 | for (i = named_pipe_args_start; i < nb_args; i++) { | |
434f8068 JR |
139 | ret = write_pipe(argv[i], 0); |
140 | } | |
141 | return ret; | |
142 | } | |
143 | ||
f12eb9c1 SM |
144 | static |
145 | int suspend_application(void) | |
854382b8 JR |
146 | { |
147 | int ret; | |
148 | struct stat buf; | |
149 | ||
150 | if (!stat(app_state_file, &buf)) { | |
151 | fail("App is already in a suspended state."); | |
152 | ret = -1; | |
153 | goto error; | |
154 | } | |
155 | ||
156 | /* | |
157 | * Send SIGUSR1 to application instructing it to bypass tracepoint. | |
158 | */ | |
7344b6a3 FD |
159 | assert(app_pid > 1); |
160 | ||
854382b8 JR |
161 | ret = kill(app_pid, SIGUSR1); |
162 | if (ret) { | |
163 | fail("SIGUSR1 failed. errno %d", errno); | |
164 | ret = -1; | |
165 | goto error; | |
166 | } | |
167 | ||
168 | wait_on_file(app_state_file, true); | |
169 | ||
170 | error: | |
171 | return ret; | |
172 | ||
173 | } | |
174 | ||
f12eb9c1 | 175 | static |
a3ecaea8 | 176 | int resume_application(void) |
854382b8 JR |
177 | { |
178 | int ret; | |
179 | struct stat buf; | |
180 | ||
181 | ret = stat(app_state_file, &buf); | |
182 | if (ret == -1 && errno == ENOENT) { | |
183 | fail("State file does not exist"); | |
184 | goto error; | |
185 | } | |
186 | if (ret) { | |
187 | perror("stat"); | |
188 | goto error; | |
189 | } | |
190 | ||
7344b6a3 FD |
191 | assert(app_pid > 1); |
192 | ||
854382b8 JR |
193 | ret = kill(app_pid, SIGUSR1); |
194 | if (ret) { | |
195 | fail("SIGUSR1 failed. errno %d", errno); | |
196 | ret = -1; | |
197 | goto error; | |
198 | } | |
199 | ||
200 | wait_on_file(app_state_file, false); | |
201 | ||
202 | error: | |
203 | return ret; | |
204 | ||
205 | } | |
206 | ||
207 | ||
f12eb9c1 | 208 | static |
434f8068 JR |
209 | void test_triggers_buffer_usage_condition(const char *session_name, |
210 | const char *channel_name, | |
211 | enum lttng_domain_type domain_type, | |
212 | enum lttng_condition_type condition_type) | |
213 | { | |
9df6c82a | 214 | unsigned int test_vector_size = 5, i; |
434f8068 JR |
215 | enum lttng_condition_status condition_status; |
216 | struct lttng_action *action; | |
217 | ||
218 | /* Set-up */ | |
219 | action = lttng_action_notify_create(); | |
220 | if (!action) { | |
221 | fail("Setup error on action creation"); | |
222 | goto end; | |
223 | } | |
224 | ||
225 | /* Test lttng_register_trigger with null value */ | |
226 | ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected"); | |
227 | ||
228 | /* Test: register a trigger */ | |
9df6c82a JG |
229 | |
230 | for (i = 0; i < pow(2,test_vector_size); i++) { | |
434f8068 JR |
231 | int loop_ret = 0; |
232 | char *test_tuple_string = NULL; | |
233 | unsigned int mask_position = 0; | |
234 | bool session_name_set = false; | |
235 | bool channel_name_set = false; | |
236 | bool threshold_ratio_set = false; | |
237 | bool threshold_byte_set = false; | |
238 | bool domain_type_set = false; | |
239 | ||
240 | struct lttng_trigger *trigger = NULL; | |
241 | struct lttng_condition *condition = NULL; | |
242 | ||
243 | /* Create base condition */ | |
244 | switch (condition_type) { | |
245 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: | |
246 | condition = lttng_condition_buffer_usage_low_create(); | |
247 | break; | |
248 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: | |
249 | condition = lttng_condition_buffer_usage_high_create(); | |
250 | break; | |
251 | default: | |
252 | loop_ret = 1; | |
253 | goto loop_end; | |
254 | } | |
255 | ||
256 | if (!condition) { | |
257 | loop_ret = 1; | |
258 | goto loop_end; | |
259 | ||
260 | } | |
261 | ||
262 | /* Prepare the condition for trigger registration test */ | |
263 | ||
264 | /* Set session name */ | |
265 | if ((1 << mask_position) & i) { | |
266 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
267 | condition, session_name); | |
268 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
269 | loop_ret = 1; | |
270 | goto loop_end; | |
271 | } | |
272 | session_name_set = true; | |
273 | } | |
274 | mask_position++; | |
275 | ||
276 | /* Set channel name */ | |
277 | if ((1 << mask_position) & i) { | |
278 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
279 | condition, channel_name); | |
280 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
281 | loop_ret = 1; | |
282 | goto loop_end; | |
283 | } | |
284 | channel_name_set = true; | |
285 | } | |
286 | mask_position++; | |
287 | ||
288 | /* Set threshold ratio */ | |
289 | if ((1 << mask_position) & i) { | |
290 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
291 | condition, 0.0); | |
292 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
293 | loop_ret = 1; | |
294 | goto loop_end; | |
295 | } | |
296 | threshold_ratio_set = true; | |
297 | } | |
298 | mask_position++; | |
299 | ||
300 | /* Set threshold byte */ | |
301 | if ((1 << mask_position) & i) { | |
302 | condition_status = lttng_condition_buffer_usage_set_threshold( | |
303 | condition, 0); | |
304 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
305 | loop_ret = 1; | |
306 | goto loop_end; | |
307 | } | |
308 | threshold_byte_set = true; | |
309 | } | |
310 | mask_position++; | |
311 | ||
312 | /* Set domain type */ | |
313 | if ((1 << mask_position) & i) { | |
314 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
315 | condition, LTTNG_DOMAIN_UST); | |
316 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
317 | loop_ret = 1; | |
318 | goto loop_end; | |
319 | } | |
320 | domain_type_set = true; | |
321 | } | |
322 | ||
323 | /* Safety check */ | |
324 | if (mask_position != test_vector_size -1) { | |
325 | assert("Logic error for test vector generation"); | |
326 | } | |
327 | ||
9479b7a7 | 328 | loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s", |
434f8068 JR |
329 | session_name_set ? "set" : "unset", |
330 | channel_name_set ? "set" : "unset", | |
331 | threshold_ratio_set ? "set" : "unset", | |
332 | threshold_byte_set ? "set" : "unset", | |
333 | domain_type_set? "set" : "unset"); | |
334 | if (!test_tuple_string || loop_ret < 0) { | |
335 | loop_ret = 1; | |
336 | goto loop_end; | |
337 | } | |
338 | ||
339 | /* Create trigger */ | |
340 | trigger = lttng_trigger_create(condition, action); | |
341 | if (!trigger) { | |
342 | loop_ret = 1; | |
343 | goto loop_end; | |
344 | } | |
345 | ||
346 | loop_ret = lttng_register_trigger(trigger); | |
347 | ||
348 | loop_end: | |
349 | if (loop_ret == 1) { | |
350 | fail("Setup error occurred for tuple: %s", test_tuple_string); | |
351 | goto loop_cleanup; | |
352 | } | |
353 | ||
354 | /* This combination happens three times */ | |
355 | if (session_name_set && channel_name_set | |
356 | && (threshold_ratio_set || threshold_byte_set) | |
357 | && domain_type_set) { | |
358 | ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string); | |
359 | ||
360 | /* | |
361 | * Test that a trigger cannot be registered | |
362 | * multiple time. | |
363 | */ | |
364 | loop_ret = lttng_register_trigger(trigger); | |
365 | ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string); | |
366 | ||
367 | /* Test that a trigger can be unregistered */ | |
368 | loop_ret = lttng_unregister_trigger(trigger); | |
369 | ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string); | |
370 | ||
371 | /* | |
372 | * Test that unregistration of a non-previously | |
373 | * registered trigger fail. | |
374 | */ | |
375 | loop_ret = lttng_unregister_trigger(trigger); | |
43e0c204 | 376 | ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registered trigger fails as expected: %s", test_tuple_string); |
434f8068 JR |
377 | } else { |
378 | ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string); | |
379 | } | |
380 | ||
381 | loop_cleanup: | |
382 | free(test_tuple_string); | |
383 | lttng_trigger_destroy(trigger); | |
384 | lttng_condition_destroy(condition); | |
385 | } | |
386 | ||
387 | end: | |
388 | lttng_action_destroy(action); | |
389 | } | |
390 | ||
ff2b03c8 JG |
391 | static |
392 | void wait_data_pending(const char *session_name) | |
393 | { | |
394 | int ret; | |
395 | ||
396 | do { | |
397 | ret = lttng_data_pending(session_name); | |
398 | assert(ret >= 0); | |
399 | } while (ret != 0); | |
400 | } | |
401 | ||
f12eb9c1 | 402 | static |
17423302 FD |
403 | int setup_buffer_usage_condition(struct lttng_condition *condition, |
404 | const char *condition_name, | |
405 | const char *session_name, | |
406 | const char *channel_name, | |
407 | const enum lttng_domain_type domain_type) | |
408 | { | |
409 | enum lttng_condition_status condition_status; | |
410 | int ret = 0; | |
411 | ||
412 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
413 | condition, session_name); | |
414 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
415 | fail("Failed to set session name on creation of condition `%s`", | |
416 | condition_name); | |
417 | ret = -1; | |
418 | goto end; | |
419 | } | |
420 | ||
421 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
422 | condition, channel_name); | |
423 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
424 | fail("Failed to set channel name on creation of condition `%s`", | |
425 | condition_name); | |
426 | ret = -1; | |
427 | goto end; | |
428 | } | |
429 | ||
430 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
431 | condition, domain_type); | |
432 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
433 | fail("Failed to set domain type on creation of condition `%s`", | |
434 | condition_name); | |
435 | ret = -1; | |
436 | goto end; | |
437 | } | |
438 | ||
439 | end: | |
440 | return ret; | |
441 | } | |
442 | ||
443 | static | |
90fcb2ec FD |
444 | void test_invalid_channel_subscription( |
445 | const enum lttng_domain_type domain_type) | |
434f8068 | 446 | { |
434f8068 JR |
447 | enum lttng_condition_status condition_status; |
448 | enum lttng_notification_channel_status nc_status; | |
434f8068 | 449 | struct lttng_condition *dummy_condition = NULL; |
90fcb2ec FD |
450 | struct lttng_condition *dummy_invalid_condition = NULL; |
451 | struct lttng_notification_channel *notification_channel = NULL; | |
452 | int ret = 0; | |
434f8068 | 453 | |
90fcb2ec FD |
454 | notification_channel = lttng_notification_channel_create( |
455 | lttng_session_daemon_notification_endpoint); | |
456 | ok(notification_channel, "Notification channel object creation"); | |
457 | if (!notification_channel) { | |
434f8068 JR |
458 | goto end; |
459 | } | |
460 | ||
90fcb2ec FD |
461 | /* |
462 | * Create a dummy, empty (thus invalid) condition to test error paths. | |
463 | */ | |
434f8068 JR |
464 | dummy_invalid_condition = lttng_condition_buffer_usage_low_create(); |
465 | if (!dummy_invalid_condition) { | |
466 | fail("Setup error on condition creation"); | |
467 | goto end; | |
468 | } | |
469 | ||
90fcb2ec FD |
470 | /* |
471 | * Test subscription and unsubscription of an invalid condition to/from | |
472 | * a channel. | |
473 | */ | |
474 | nc_status = lttng_notification_channel_subscribe( | |
475 | notification_channel, dummy_invalid_condition); | |
476 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, | |
477 | "Subscribing to an invalid condition"); | |
478 | ||
479 | nc_status = lttng_notification_channel_unsubscribe( | |
480 | notification_channel, dummy_invalid_condition); | |
481 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, | |
482 | "Unsubscribing from an invalid condition"); | |
483 | ||
434f8068 JR |
484 | /* Create a valid dummy condition with a ratio of 0.5 */ |
485 | dummy_condition = lttng_condition_buffer_usage_low_create(); | |
486 | if (!dummy_condition) { | |
487 | fail("Setup error on dummy_condition creation"); | |
488 | goto end; | |
434f8068 | 489 | } |
90fcb2ec | 490 | |
434f8068 JR |
491 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( |
492 | dummy_condition, 0.5); | |
493 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
494 | fail("Setup error on condition creation"); | |
495 | goto end; | |
496 | } | |
497 | ||
17423302 | 498 | ret = setup_buffer_usage_condition(dummy_condition, "dummy_condition", |
90fcb2ec | 499 | "dummy_session", "dummy_channel", domain_type); |
17423302 FD |
500 | if (ret) { |
501 | fail("Setup error on dummy condition creation"); | |
434f8068 JR |
502 | goto end; |
503 | } | |
504 | ||
90fcb2ec FD |
505 | /* |
506 | * Test subscription and unsubscription to/from a channel with invalid | |
507 | * parameters. | |
508 | */ | |
509 | nc_status = lttng_notification_channel_subscribe(NULL, NULL); | |
510 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, | |
511 | "Notification channel subscription is invalid: NULL, NULL"); | |
512 | ||
513 | nc_status = lttng_notification_channel_subscribe( | |
514 | notification_channel, NULL); | |
515 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, | |
516 | "Notification channel subscription is invalid: NON-NULL, NULL"); | |
517 | ||
518 | nc_status = lttng_notification_channel_subscribe(NULL, dummy_condition); | |
519 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, | |
520 | "Notification channel subscription is invalid: NULL, NON-NULL"); | |
521 | ||
522 | nc_status = lttng_notification_channel_unsubscribe( | |
523 | notification_channel, dummy_condition); | |
524 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION, | |
525 | "Unsubscribing from a valid unknown condition"); | |
526 | ||
527 | end: | |
528 | lttng_notification_channel_destroy(notification_channel); | |
529 | lttng_condition_destroy(dummy_invalid_condition); | |
530 | lttng_condition_destroy(dummy_condition); | |
531 | return; | |
532 | } | |
533 | ||
3780613c FD |
534 | enum buffer_usage_type { |
535 | BUFFER_USAGE_TYPE_LOW, | |
536 | BUFFER_USAGE_TYPE_HIGH, | |
537 | }; | |
538 | ||
539 | static int register_buffer_usage_notify_trigger(const char *session_name, | |
90fcb2ec FD |
540 | const char *channel_name, |
541 | const enum lttng_domain_type domain_type, | |
3780613c FD |
542 | enum buffer_usage_type buffer_usage_type, |
543 | double ratio, | |
544 | struct lttng_condition **condition, | |
545 | struct lttng_action **action, | |
546 | struct lttng_trigger **trigger) | |
90fcb2ec | 547 | { |
90fcb2ec | 548 | enum lttng_condition_status condition_status; |
3780613c FD |
549 | struct lttng_action *tmp_action = NULL; |
550 | struct lttng_condition *tmp_condition = NULL; | |
551 | struct lttng_trigger *tmp_trigger = NULL; | |
552 | int ret = 0; | |
90fcb2ec FD |
553 | |
554 | /* Set-up */ | |
3780613c | 555 | tmp_action = lttng_action_notify_create(); |
90fcb2ec FD |
556 | if (!action) { |
557 | fail("Setup error on action creation"); | |
3780613c FD |
558 | ret = -1; |
559 | goto error; | |
434f8068 JR |
560 | } |
561 | ||
3780613c FD |
562 | if (buffer_usage_type == BUFFER_USAGE_TYPE_LOW) { |
563 | tmp_condition = lttng_condition_buffer_usage_low_create(); | |
564 | } else { | |
565 | tmp_condition = lttng_condition_buffer_usage_high_create(); | |
434f8068 JR |
566 | } |
567 | ||
3780613c FD |
568 | if (!tmp_condition) { |
569 | fail("Setup error on condition creation"); | |
570 | ret = -1; | |
571 | goto error; | |
434f8068 JR |
572 | } |
573 | ||
3780613c | 574 | /* Set the buffer usage threashold */ |
434f8068 | 575 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( |
3780613c | 576 | tmp_condition, ratio); |
434f8068 | 577 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
3780613c FD |
578 | fail("Setup error on condition creation"); |
579 | ret = -1; | |
580 | goto error; | |
434f8068 JR |
581 | } |
582 | ||
3780613c | 583 | ret = setup_buffer_usage_condition(tmp_condition, "condition_name", |
17423302 FD |
584 | session_name, channel_name, domain_type); |
585 | if (ret) { | |
3780613c FD |
586 | fail("Setup error on condition creation"); |
587 | ret = -1; | |
588 | goto error; | |
434f8068 JR |
589 | } |
590 | ||
3780613c FD |
591 | /* Register the trigger for condition. */ |
592 | tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action); | |
593 | if (!tmp_trigger) { | |
594 | fail("Setup error on trigger creation"); | |
595 | ret = -1; | |
596 | goto error; | |
434f8068 JR |
597 | } |
598 | ||
3780613c | 599 | ret = lttng_register_trigger(tmp_trigger); |
434f8068 | 600 | if (ret) { |
3780613c FD |
601 | fail("Setup error on trigger registration"); |
602 | ret = -1; | |
603 | goto error; | |
434f8068 JR |
604 | } |
605 | ||
3780613c FD |
606 | *condition = tmp_condition; |
607 | *trigger = tmp_trigger; | |
608 | *action = tmp_action; | |
609 | goto end; | |
434f8068 | 610 | |
3780613c FD |
611 | error: |
612 | lttng_action_destroy(tmp_action); | |
613 | lttng_condition_destroy(tmp_condition); | |
614 | lttng_trigger_destroy(tmp_trigger); | |
615 | ||
616 | end: | |
617 | return ret; | |
618 | } | |
619 | ||
fa448dbe FD |
620 | static void test_subscription_twice(const char *session_name, |
621 | const char *channel_name, | |
622 | const enum lttng_domain_type domain_type) | |
623 | { | |
624 | int ret = 0; | |
625 | enum lttng_notification_channel_status nc_status; | |
626 | ||
627 | struct lttng_action *action = NULL; | |
628 | struct lttng_notification_channel *notification_channel = NULL; | |
629 | struct lttng_trigger *trigger = NULL; | |
630 | ||
631 | struct lttng_condition *condition = NULL; | |
632 | ||
633 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, | |
634 | domain_type, BUFFER_USAGE_TYPE_LOW, 0.99, &condition, | |
635 | &action, &trigger); | |
636 | if (ret) { | |
637 | fail("Setup error on trigger registration"); | |
638 | goto end; | |
639 | } | |
640 | ||
641 | /* Begin testing. */ | |
642 | notification_channel = lttng_notification_channel_create( | |
643 | lttng_session_daemon_notification_endpoint); | |
644 | ok(notification_channel, "Notification channel object creation"); | |
645 | if (!notification_channel) { | |
646 | goto end; | |
647 | } | |
648 | ||
649 | /* Subscribe a valid condition. */ | |
650 | nc_status = lttng_notification_channel_subscribe( | |
651 | notification_channel, condition); | |
652 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
653 | "Subscribe to condition"); | |
654 | ||
655 | /* Subscribing again should fail. */ | |
656 | nc_status = lttng_notification_channel_subscribe( | |
657 | notification_channel, condition); | |
658 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, | |
659 | "Subscribe to a condition for which subscription was already done"); | |
660 | ||
661 | end: | |
662 | lttng_unregister_trigger(trigger); | |
663 | lttng_trigger_destroy(trigger); | |
664 | lttng_notification_channel_destroy(notification_channel); | |
665 | lttng_action_destroy(action); | |
666 | lttng_condition_destroy(condition); | |
667 | } | |
668 | ||
40ac6709 | 669 | static void test_buffer_usage_notification_channel(const char *session_name, |
3780613c FD |
670 | const char *channel_name, |
671 | const enum lttng_domain_type domain_type, | |
672 | const char **argv) | |
673 | { | |
674 | int ret = 0; | |
675 | enum lttng_notification_channel_status nc_status; | |
676 | ||
677 | struct lttng_action *low_action = NULL; | |
678 | struct lttng_action *high_action = NULL; | |
679 | struct lttng_notification *notification = NULL; | |
680 | struct lttng_notification_channel *notification_channel = NULL; | |
681 | struct lttng_trigger *low_trigger = NULL; | |
682 | struct lttng_trigger *high_trigger = NULL; | |
683 | ||
684 | struct lttng_condition *low_condition = NULL; | |
685 | struct lttng_condition *high_condition = NULL; | |
686 | ||
687 | const double low_ratio = 0.0; | |
688 | const double high_ratio = 0.90; | |
689 | ||
690 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, | |
691 | domain_type, BUFFER_USAGE_TYPE_LOW, low_ratio, | |
692 | &low_condition, &low_action, &low_trigger); | |
693 | if (ret) { | |
694 | fail("Setup error on low trigger registration"); | |
434f8068 JR |
695 | goto end; |
696 | } | |
697 | ||
3780613c FD |
698 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, |
699 | domain_type, BUFFER_USAGE_TYPE_HIGH, high_ratio, | |
700 | &high_condition, &high_action, &high_trigger); | |
434f8068 JR |
701 | if (ret) { |
702 | fail("Setup error on high trigger registration"); | |
703 | goto end; | |
704 | } | |
705 | ||
706 | /* Begin testing */ | |
a6ae2480 FD |
707 | notification_channel = lttng_notification_channel_create( |
708 | lttng_session_daemon_notification_endpoint); | |
434f8068 JR |
709 | ok(notification_channel, "Notification channel object creation"); |
710 | if (!notification_channel) { | |
711 | goto end; | |
712 | } | |
713 | ||
434f8068 | 714 | /* Subscribe a valid low condition */ |
a6ae2480 FD |
715 | nc_status = lttng_notification_channel_subscribe( |
716 | notification_channel, low_condition); | |
717 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
40ac6709 | 718 | "Subscribe to low condition"); |
434f8068 JR |
719 | |
720 | /* Subscribe a valid high condition */ | |
a6ae2480 FD |
721 | nc_status = lttng_notification_channel_subscribe( |
722 | notification_channel, high_condition); | |
723 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
40ac6709 | 724 | "Subscribe to high condition"); |
434f8068 | 725 | |
7676e0d2 FD |
726 | resume_application(); |
727 | ||
434f8068 | 728 | /* Wait for notification to happen */ |
434f8068 | 729 | stop_consumer(argv); |
ff2b03c8 | 730 | lttng_start_tracing(session_name); |
434f8068 JR |
731 | |
732 | /* Wait for high notification */ | |
67c93c15 | 733 | do { |
a6ae2480 FD |
734 | nc_status = lttng_notification_channel_get_next_notification( |
735 | notification_channel, ¬ification); | |
67c93c15 | 736 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
a6ae2480 FD |
737 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
738 | lttng_condition_get_type(lttng_notification_get_condition( | |
739 | notification)) == | |
740 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
434f8068 JR |
741 | "High notification received after intermediary communication"); |
742 | lttng_notification_destroy(notification); | |
743 | notification = NULL; | |
744 | ||
854382b8 | 745 | suspend_application(); |
ff2b03c8 | 746 | lttng_stop_tracing_no_wait(session_name); |
434f8068 | 747 | resume_consumer(argv); |
ff2b03c8 | 748 | wait_data_pending(session_name); |
434f8068 JR |
749 | |
750 | /* | |
751 | * Test that communication still work even if there is notification | |
752 | * waiting for consumption. | |
753 | */ | |
754 | ||
a6ae2480 FD |
755 | nc_status = lttng_notification_channel_unsubscribe( |
756 | notification_channel, low_condition); | |
757 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
758 | "Unsubscribe with pending notification"); | |
434f8068 | 759 | |
a6ae2480 FD |
760 | nc_status = lttng_notification_channel_subscribe( |
761 | notification_channel, low_condition); | |
762 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
763 | "Subscribe with pending notification"); | |
434f8068 | 764 | |
67c93c15 | 765 | do { |
a6ae2480 FD |
766 | nc_status = lttng_notification_channel_get_next_notification( |
767 | notification_channel, ¬ification); | |
67c93c15 | 768 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
a6ae2480 FD |
769 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
770 | lttng_condition_get_type(lttng_notification_get_condition( | |
771 | notification)) == | |
772 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
434f8068 JR |
773 | "Low notification received after intermediary communication"); |
774 | lttng_notification_destroy(notification); | |
775 | notification = NULL; | |
776 | ||
777 | /* Stop consumer to force a high notification */ | |
ff2b03c8 | 778 | stop_consumer(argv); |
854382b8 | 779 | resume_application(); |
434f8068 | 780 | lttng_start_tracing(session_name); |
434f8068 | 781 | |
67c93c15 | 782 | do { |
a6ae2480 FD |
783 | nc_status = lttng_notification_channel_get_next_notification( |
784 | notification_channel, ¬ification); | |
67c93c15 | 785 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
434f8068 | 786 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
a6ae2480 FD |
787 | lttng_condition_get_type(lttng_notification_get_condition( |
788 | notification)) == | |
789 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
434f8068 JR |
790 | "High notification received after intermediary communication"); |
791 | lttng_notification_destroy(notification); | |
792 | notification = NULL; | |
793 | ||
854382b8 | 794 | suspend_application(); |
ff2b03c8 | 795 | lttng_stop_tracing_no_wait(session_name); |
434f8068 | 796 | resume_consumer(argv); |
ff2b03c8 | 797 | wait_data_pending(session_name); |
434f8068 | 798 | |
67c93c15 | 799 | do { |
a6ae2480 FD |
800 | nc_status = lttng_notification_channel_get_next_notification( |
801 | notification_channel, ¬ification); | |
67c93c15 | 802 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
434f8068 | 803 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
a6ae2480 FD |
804 | lttng_condition_get_type(lttng_notification_get_condition( |
805 | notification)) == | |
806 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
434f8068 JR |
807 | "Low notification received after re-subscription"); |
808 | lttng_notification_destroy(notification); | |
809 | notification = NULL; | |
810 | ||
ff2b03c8 | 811 | stop_consumer(argv); |
854382b8 | 812 | resume_application(); |
434f8068 JR |
813 | /* Stop consumer to force a high notification */ |
814 | lttng_start_tracing(session_name); | |
434f8068 | 815 | |
67c93c15 | 816 | do { |
a6ae2480 FD |
817 | nc_status = lttng_notification_channel_get_next_notification( |
818 | notification_channel, ¬ification); | |
67c93c15 | 819 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
434f8068 | 820 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
a6ae2480 FD |
821 | lttng_condition_get_type(lttng_notification_get_condition( |
822 | notification)) == | |
823 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
434f8068 JR |
824 | "High notification"); |
825 | lttng_notification_destroy(notification); | |
826 | notification = NULL; | |
827 | ||
ff2b03c8 | 828 | suspend_application(); |
7676e0d2 FD |
829 | |
830 | /* Resume consumer to allow event consumption */ | |
ff2b03c8 | 831 | lttng_stop_tracing_no_wait(session_name); |
434f8068 | 832 | resume_consumer(argv); |
ff2b03c8 | 833 | wait_data_pending(session_name); |
434f8068 | 834 | |
a6ae2480 FD |
835 | nc_status = lttng_notification_channel_unsubscribe( |
836 | notification_channel, low_condition); | |
837 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
838 | "Unsubscribe low condition with pending notification"); | |
839 | ||
840 | nc_status = lttng_notification_channel_unsubscribe( | |
841 | notification_channel, high_condition); | |
842 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, | |
843 | "Unsubscribe high condition with pending notification"); | |
434f8068 JR |
844 | |
845 | end: | |
846 | lttng_notification_channel_destroy(notification_channel); | |
3780613c FD |
847 | lttng_trigger_destroy(low_trigger); |
848 | lttng_trigger_destroy(high_trigger); | |
849 | lttng_action_destroy(low_action); | |
850 | lttng_action_destroy(high_action); | |
434f8068 | 851 | lttng_condition_destroy(low_condition); |
eff748d0 | 852 | lttng_condition_destroy(high_condition); |
434f8068 JR |
853 | } |
854 | ||
855 | int main(int argc, const char *argv[]) | |
856 | { | |
069fc1c5 | 857 | int test_scenario; |
434f8068 JR |
858 | const char *session_name = NULL; |
859 | const char *channel_name = NULL; | |
860 | const char *domain_type_string = NULL; | |
861 | enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE; | |
862 | ||
069fc1c5 FD |
863 | if (argc < 3) { |
864 | fail("Missing test scenario and/or domain type argument(s)"); | |
434f8068 JR |
865 | goto error; |
866 | } | |
867 | ||
069fc1c5 FD |
868 | test_scenario = atoi(argv[1]); |
869 | domain_type_string = argv[2]; | |
434f8068 JR |
870 | |
871 | if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) { | |
872 | domain_type = LTTNG_DOMAIN_UST; | |
873 | } | |
874 | if (!strcmp("LTTNG_DOMAIN_KERNEL", domain_type_string)) { | |
875 | domain_type = LTTNG_DOMAIN_KERNEL; | |
876 | } | |
877 | if (domain_type == LTTNG_DOMAIN_NONE) { | |
878 | fail("Unknown domain type"); | |
879 | goto error; | |
880 | } | |
881 | ||
069fc1c5 FD |
882 | switch (test_scenario) { |
883 | case 1: | |
884 | { | |
885 | plan_tests(7); | |
886 | /* Test cases that need gen-ust-event testapp. */ | |
887 | diag("Test basic notification error paths for domain %s", | |
888 | domain_type_string); | |
889 | test_invalid_channel_subscription(domain_type); | |
890 | break; | |
891 | } | |
892 | case 2: | |
893 | { | |
894 | /* Test cases that need a tracing session enabled. */ | |
895 | plan_tests(99); | |
7676e0d2 | 896 | |
069fc1c5 FD |
897 | /* |
898 | * Argument 7 and upward are named pipe location for consumerd | |
899 | * control. | |
900 | */ | |
901 | named_pipe_args_start = 7; | |
902 | ||
903 | if (argc < 8) { | |
904 | fail("Missing parameter for tests to run %d", argc); | |
905 | goto error; | |
906 | } | |
434f8068 | 907 | |
069fc1c5 FD |
908 | nb_args = argc; |
909 | ||
910 | session_name = argv[3]; | |
911 | channel_name = argv[4]; | |
912 | app_pid = (pid_t) atoi(argv[5]); | |
913 | app_state_file = argv[6]; | |
914 | ||
915 | /* | |
916 | * Test cases are responsible for resuming the app when needed | |
917 | * and making sure it's suspended when returning. | |
918 | */ | |
919 | suspend_application(); | |
920 | ||
921 | test_subscription_twice(session_name, channel_name, | |
922 | domain_type); | |
923 | ||
924 | diag("Test trigger for domain %s with buffer_usage_low condition", | |
925 | domain_type_string); | |
926 | test_triggers_buffer_usage_condition(session_name, channel_name, | |
927 | domain_type, | |
928 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW); | |
929 | ||
930 | diag("Test trigger for domain %s with buffer_usage_high condition", | |
931 | domain_type_string); | |
932 | test_triggers_buffer_usage_condition(session_name, channel_name, | |
933 | domain_type, | |
934 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH); | |
935 | ||
936 | diag("Test buffer usage notification channel api for domain %s", | |
937 | domain_type_string); | |
938 | test_buffer_usage_notification_channel(session_name, channel_name, | |
939 | domain_type, argv); | |
940 | break; | |
941 | } | |
942 | default: | |
943 | abort(); | |
944 | } | |
90fcb2ec | 945 | |
434f8068 JR |
946 | error: |
947 | return exit_status(); | |
948 | } | |
949 |