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 JR |
23 | #include <signal.h> |
24 | #include <errno.h> | |
25 | #include <poll.h> | |
434f8068 JR |
26 | |
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; | |
854382b8 JR |
46 | pid_t app_pid = -1; |
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 JR |
89 | |
90 | int write_pipe(const char *path, uint8_t data) | |
91 | { | |
92 | int ret = 0; | |
93 | int fd = 0; | |
94 | ||
95 | fd = open(path, O_WRONLY | O_NONBLOCK); | |
96 | if (fd < 0) { | |
97 | perror("Could not open consumer control named pipe"); | |
98 | goto end; | |
99 | } | |
100 | ||
101 | ret = write(fd, &data , sizeof(data)); | |
102 | if (ret < 1) { | |
103 | perror("Named pipe write failed"); | |
eff748d0 JR |
104 | if (close(fd)) { |
105 | perror("Named pipe close failed"); | |
106 | } | |
434f8068 JR |
107 | ret = -1; |
108 | goto end; | |
109 | } | |
110 | ||
111 | ret = close(fd); | |
112 | if (ret < 0) { | |
113 | perror("Name pipe closing failed"); | |
114 | ret = -1; | |
115 | goto end; | |
116 | } | |
117 | end: | |
118 | return ret; | |
119 | } | |
120 | ||
121 | int stop_consumer(const char **argv) | |
122 | { | |
9df6c82a JG |
123 | int ret = 0, i; |
124 | ||
125 | for (i = named_pipe_args_start; i < nb_args; i++) { | |
434f8068 JR |
126 | ret = write_pipe(argv[i], 49); |
127 | } | |
128 | return ret; | |
129 | } | |
130 | ||
131 | int resume_consumer(const char **argv) | |
132 | { | |
9df6c82a JG |
133 | int ret = 0, i; |
134 | ||
135 | for (i = named_pipe_args_start; i < nb_args; i++) { | |
434f8068 JR |
136 | ret = write_pipe(argv[i], 0); |
137 | } | |
138 | return ret; | |
139 | } | |
140 | ||
854382b8 JR |
141 | int suspend_application() |
142 | { | |
143 | int ret; | |
144 | struct stat buf; | |
145 | ||
146 | if (!stat(app_state_file, &buf)) { | |
147 | fail("App is already in a suspended state."); | |
148 | ret = -1; | |
149 | goto error; | |
150 | } | |
151 | ||
152 | /* | |
153 | * Send SIGUSR1 to application instructing it to bypass tracepoint. | |
154 | */ | |
155 | ret = kill(app_pid, SIGUSR1); | |
156 | if (ret) { | |
157 | fail("SIGUSR1 failed. errno %d", errno); | |
158 | ret = -1; | |
159 | goto error; | |
160 | } | |
161 | ||
162 | wait_on_file(app_state_file, true); | |
163 | ||
164 | error: | |
165 | return ret; | |
166 | ||
167 | } | |
168 | ||
169 | int resume_application() | |
170 | { | |
171 | int ret; | |
172 | struct stat buf; | |
173 | ||
174 | ret = stat(app_state_file, &buf); | |
175 | if (ret == -1 && errno == ENOENT) { | |
176 | fail("State file does not exist"); | |
177 | goto error; | |
178 | } | |
179 | if (ret) { | |
180 | perror("stat"); | |
181 | goto error; | |
182 | } | |
183 | ||
184 | ret = kill(app_pid, SIGUSR1); | |
185 | if (ret) { | |
186 | fail("SIGUSR1 failed. errno %d", errno); | |
187 | ret = -1; | |
188 | goto error; | |
189 | } | |
190 | ||
191 | wait_on_file(app_state_file, false); | |
192 | ||
193 | error: | |
194 | return ret; | |
195 | ||
196 | } | |
197 | ||
198 | ||
434f8068 JR |
199 | void test_triggers_buffer_usage_condition(const char *session_name, |
200 | const char *channel_name, | |
201 | enum lttng_domain_type domain_type, | |
202 | enum lttng_condition_type condition_type) | |
203 | { | |
9df6c82a | 204 | unsigned int test_vector_size = 5, i; |
434f8068 JR |
205 | enum lttng_condition_status condition_status; |
206 | struct lttng_action *action; | |
207 | ||
208 | /* Set-up */ | |
209 | action = lttng_action_notify_create(); | |
210 | if (!action) { | |
211 | fail("Setup error on action creation"); | |
212 | goto end; | |
213 | } | |
214 | ||
215 | /* Test lttng_register_trigger with null value */ | |
216 | ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected"); | |
217 | ||
218 | /* Test: register a trigger */ | |
9df6c82a JG |
219 | |
220 | for (i = 0; i < pow(2,test_vector_size); i++) { | |
434f8068 JR |
221 | int loop_ret = 0; |
222 | char *test_tuple_string = NULL; | |
223 | unsigned int mask_position = 0; | |
224 | bool session_name_set = false; | |
225 | bool channel_name_set = false; | |
226 | bool threshold_ratio_set = false; | |
227 | bool threshold_byte_set = false; | |
228 | bool domain_type_set = false; | |
229 | ||
230 | struct lttng_trigger *trigger = NULL; | |
231 | struct lttng_condition *condition = NULL; | |
232 | ||
233 | /* Create base condition */ | |
234 | switch (condition_type) { | |
235 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: | |
236 | condition = lttng_condition_buffer_usage_low_create(); | |
237 | break; | |
238 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: | |
239 | condition = lttng_condition_buffer_usage_high_create(); | |
240 | break; | |
241 | default: | |
242 | loop_ret = 1; | |
243 | goto loop_end; | |
244 | } | |
245 | ||
246 | if (!condition) { | |
247 | loop_ret = 1; | |
248 | goto loop_end; | |
249 | ||
250 | } | |
251 | ||
252 | /* Prepare the condition for trigger registration test */ | |
253 | ||
254 | /* Set session name */ | |
255 | if ((1 << mask_position) & i) { | |
256 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
257 | condition, session_name); | |
258 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
259 | loop_ret = 1; | |
260 | goto loop_end; | |
261 | } | |
262 | session_name_set = true; | |
263 | } | |
264 | mask_position++; | |
265 | ||
266 | /* Set channel name */ | |
267 | if ((1 << mask_position) & i) { | |
268 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
269 | condition, channel_name); | |
270 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
271 | loop_ret = 1; | |
272 | goto loop_end; | |
273 | } | |
274 | channel_name_set = true; | |
275 | } | |
276 | mask_position++; | |
277 | ||
278 | /* Set threshold ratio */ | |
279 | if ((1 << mask_position) & i) { | |
280 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
281 | condition, 0.0); | |
282 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
283 | loop_ret = 1; | |
284 | goto loop_end; | |
285 | } | |
286 | threshold_ratio_set = true; | |
287 | } | |
288 | mask_position++; | |
289 | ||
290 | /* Set threshold byte */ | |
291 | if ((1 << mask_position) & i) { | |
292 | condition_status = lttng_condition_buffer_usage_set_threshold( | |
293 | condition, 0); | |
294 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
295 | loop_ret = 1; | |
296 | goto loop_end; | |
297 | } | |
298 | threshold_byte_set = true; | |
299 | } | |
300 | mask_position++; | |
301 | ||
302 | /* Set domain type */ | |
303 | if ((1 << mask_position) & i) { | |
304 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
305 | condition, LTTNG_DOMAIN_UST); | |
306 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
307 | loop_ret = 1; | |
308 | goto loop_end; | |
309 | } | |
310 | domain_type_set = true; | |
311 | } | |
312 | ||
313 | /* Safety check */ | |
314 | if (mask_position != test_vector_size -1) { | |
315 | assert("Logic error for test vector generation"); | |
316 | } | |
317 | ||
318 | loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s", | |
319 | session_name_set ? "set" : "unset", | |
320 | channel_name_set ? "set" : "unset", | |
321 | threshold_ratio_set ? "set" : "unset", | |
322 | threshold_byte_set ? "set" : "unset", | |
323 | domain_type_set? "set" : "unset"); | |
324 | if (!test_tuple_string || loop_ret < 0) { | |
325 | loop_ret = 1; | |
326 | goto loop_end; | |
327 | } | |
328 | ||
329 | /* Create trigger */ | |
330 | trigger = lttng_trigger_create(condition, action); | |
331 | if (!trigger) { | |
332 | loop_ret = 1; | |
333 | goto loop_end; | |
334 | } | |
335 | ||
336 | loop_ret = lttng_register_trigger(trigger); | |
337 | ||
338 | loop_end: | |
339 | if (loop_ret == 1) { | |
340 | fail("Setup error occurred for tuple: %s", test_tuple_string); | |
341 | goto loop_cleanup; | |
342 | } | |
343 | ||
344 | /* This combination happens three times */ | |
345 | if (session_name_set && channel_name_set | |
346 | && (threshold_ratio_set || threshold_byte_set) | |
347 | && domain_type_set) { | |
348 | ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string); | |
349 | ||
350 | /* | |
351 | * Test that a trigger cannot be registered | |
352 | * multiple time. | |
353 | */ | |
354 | loop_ret = lttng_register_trigger(trigger); | |
355 | ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string); | |
356 | ||
357 | /* Test that a trigger can be unregistered */ | |
358 | loop_ret = lttng_unregister_trigger(trigger); | |
359 | ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string); | |
360 | ||
361 | /* | |
362 | * Test that unregistration of a non-previously | |
363 | * registered trigger fail. | |
364 | */ | |
365 | loop_ret = lttng_unregister_trigger(trigger); | |
43e0c204 | 366 | ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registered trigger fails as expected: %s", test_tuple_string); |
434f8068 JR |
367 | } else { |
368 | ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string); | |
369 | } | |
370 | ||
371 | loop_cleanup: | |
372 | free(test_tuple_string); | |
373 | lttng_trigger_destroy(trigger); | |
374 | lttng_condition_destroy(condition); | |
375 | } | |
376 | ||
377 | end: | |
378 | lttng_action_destroy(action); | |
379 | } | |
380 | ||
ff2b03c8 JG |
381 | static |
382 | void wait_data_pending(const char *session_name) | |
383 | { | |
384 | int ret; | |
385 | ||
386 | do { | |
387 | ret = lttng_data_pending(session_name); | |
388 | assert(ret >= 0); | |
389 | } while (ret != 0); | |
390 | } | |
391 | ||
854382b8 | 392 | void test_notification_channel(const char *session_name, const char *channel_name, const enum lttng_domain_type domain_type, const char **argv) |
434f8068 JR |
393 | { |
394 | int ret = 0; | |
395 | enum lttng_condition_status condition_status; | |
396 | enum lttng_notification_channel_status nc_status; | |
397 | ||
398 | struct lttng_action *action = NULL; | |
399 | struct lttng_notification *notification = NULL; | |
400 | struct lttng_notification_channel *notification_channel = NULL; | |
401 | struct lttng_trigger *trigger = NULL; | |
402 | ||
403 | struct lttng_condition *low_condition = NULL; | |
404 | struct lttng_condition *high_condition = NULL; | |
405 | struct lttng_condition *dummy_invalid_condition = NULL; | |
406 | struct lttng_condition *dummy_condition = NULL; | |
407 | ||
408 | double low_ratio = 0.0; | |
409 | double high_ratio = 0.99; | |
410 | ||
411 | /* Set-up */ | |
412 | action = lttng_action_notify_create(); | |
413 | if (!action) { | |
414 | fail("Setup error on action creation"); | |
415 | goto end; | |
416 | } | |
417 | ||
418 | /* Create a dummy, empty condition for later test */ | |
419 | dummy_invalid_condition = lttng_condition_buffer_usage_low_create(); | |
420 | if (!dummy_invalid_condition) { | |
421 | fail("Setup error on condition creation"); | |
422 | goto end; | |
423 | } | |
424 | ||
425 | /* Create a valid dummy condition with a ratio of 0.5 */ | |
426 | dummy_condition = lttng_condition_buffer_usage_low_create(); | |
427 | if (!dummy_condition) { | |
428 | fail("Setup error on dummy_condition creation"); | |
429 | goto end; | |
430 | ||
431 | } | |
432 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
433 | dummy_condition, 0.5); | |
434 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
435 | fail("Setup error on condition creation"); | |
436 | goto end; | |
437 | } | |
438 | ||
439 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
440 | dummy_condition, session_name); | |
441 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
442 | fail("Setup error on dummy_condition creation"); | |
443 | goto end; | |
444 | } | |
445 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
446 | dummy_condition, channel_name); | |
447 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
448 | fail("Setup error on dummy_condition creation"); | |
449 | goto end; | |
450 | } | |
451 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
452 | dummy_condition, domain_type); | |
453 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
454 | fail("Setup error on dummy_condition creation"); | |
455 | goto end; | |
456 | } | |
457 | ||
458 | /* Register a low condition with a ratio */ | |
459 | low_condition = lttng_condition_buffer_usage_low_create(); | |
460 | if (!low_condition) { | |
461 | fail("Setup error on low_condition creation"); | |
462 | goto end; | |
463 | } | |
464 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
465 | low_condition, low_ratio); | |
466 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
467 | fail("Setup error on low_condition creation"); | |
468 | goto end; | |
469 | } | |
470 | ||
471 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
472 | low_condition, session_name); | |
473 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
474 | fail("Setup error on low_condition creation"); | |
475 | goto end; | |
476 | } | |
477 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
478 | low_condition, channel_name); | |
479 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
480 | fail("Setup error on low_condition creation"); | |
481 | goto end; | |
482 | } | |
483 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
484 | low_condition, domain_type); | |
485 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
486 | fail("Setup error on low_condition creation"); | |
487 | goto end; | |
488 | ||
489 | } | |
490 | ||
491 | /* Register a high condition with a ratio */ | |
492 | high_condition = lttng_condition_buffer_usage_high_create(); | |
493 | if (!high_condition) { | |
494 | fail("Setup error on high_condition creation"); | |
495 | goto end; | |
496 | } | |
497 | ||
498 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
499 | high_condition, high_ratio); | |
500 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
501 | fail("Setup error on high_condition creation"); | |
502 | goto end; | |
503 | } | |
504 | ||
505 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
506 | high_condition, session_name); | |
507 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
508 | fail("Setup error on high_condition creation"); | |
509 | goto end; | |
510 | } | |
511 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
512 | high_condition, channel_name); | |
513 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
514 | fail("Setup error on high_condition creation"); | |
515 | goto end; | |
516 | } | |
517 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
518 | high_condition, domain_type); | |
519 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
520 | fail("Setup error on high_condition creation"); | |
521 | goto end; | |
522 | } | |
523 | ||
524 | /* Register the triggers for low and high condition */ | |
525 | trigger = lttng_trigger_create(low_condition, action); | |
526 | if (!trigger) { | |
527 | fail("Setup error on low trigger creation"); | |
528 | goto end; | |
529 | } | |
530 | ||
531 | ret = lttng_register_trigger(trigger); | |
532 | if (ret) { | |
533 | fail("Setup error on low trigger registration"); | |
534 | goto end; | |
535 | } | |
536 | ||
537 | lttng_trigger_destroy(trigger); | |
538 | trigger = NULL; | |
539 | ||
540 | trigger = lttng_trigger_create(high_condition, action); | |
541 | if (!trigger) { | |
542 | fail("Setup error on high trigger creation"); | |
543 | goto end; | |
544 | } | |
545 | ||
546 | ret = lttng_register_trigger(trigger); | |
547 | if (ret) { | |
548 | fail("Setup error on high trigger registration"); | |
549 | goto end; | |
550 | } | |
551 | ||
552 | /* Begin testing */ | |
553 | notification_channel = lttng_notification_channel_create(lttng_session_daemon_notification_endpoint); | |
554 | ok(notification_channel, "Notification channel object creation"); | |
555 | if (!notification_channel) { | |
556 | goto end; | |
557 | } | |
558 | ||
559 | /* Basic error path check */ | |
560 | nc_status = lttng_notification_channel_subscribe(NULL, NULL); | |
561 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NULL, NULL"); | |
562 | ||
563 | nc_status = lttng_notification_channel_subscribe(notification_channel, NULL); | |
564 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NON-NULL, NULL"); | |
565 | ||
566 | nc_status = lttng_notification_channel_subscribe(NULL, low_condition); | |
567 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NULL, NON-NULL"); | |
568 | ||
569 | nc_status = lttng_notification_channel_subscribe(notification_channel, dummy_invalid_condition); | |
570 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Subscribing to an invalid condition"); | |
571 | ||
572 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, dummy_invalid_condition); | |
a5fcfec4 | 573 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Unsubscribing from an invalid condition"); |
434f8068 JR |
574 | |
575 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, dummy_condition); | |
a5fcfec4 | 576 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION, "Unsubscribing from a valid unknown condition"); |
434f8068 JR |
577 | |
578 | /* Subscribe a valid low condition */ | |
579 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
580 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Subscribe to condition"); | |
581 | ||
582 | /* Subscribe a valid high condition */ | |
583 | nc_status = lttng_notification_channel_subscribe(notification_channel, high_condition); | |
584 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Subscribe to condition"); | |
585 | ||
586 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
587 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, "Subscribe to a condition for which subscription was already done"); | |
588 | ||
589 | nc_status = lttng_notification_channel_subscribe(notification_channel, high_condition); | |
590 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, "Subscribe to a condition for which subscription was already done"); | |
591 | ||
592 | /* Wait for notification to happen */ | |
434f8068 | 593 | stop_consumer(argv); |
ff2b03c8 | 594 | lttng_start_tracing(session_name); |
434f8068 JR |
595 | |
596 | /* Wait for high notification */ | |
597 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
598 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK | |
599 | && notification | |
600 | && lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
601 | "High notification received after intermediary communication"); | |
602 | lttng_notification_destroy(notification); | |
603 | notification = NULL; | |
604 | ||
854382b8 | 605 | suspend_application(); |
ff2b03c8 | 606 | lttng_stop_tracing_no_wait(session_name); |
434f8068 | 607 | resume_consumer(argv); |
ff2b03c8 | 608 | wait_data_pending(session_name); |
434f8068 JR |
609 | |
610 | /* | |
611 | * Test that communication still work even if there is notification | |
612 | * waiting for consumption. | |
613 | */ | |
614 | ||
615 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, low_condition); | |
616 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe with pending notification"); | |
617 | ||
618 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
619 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "subscribe with pending notification"); | |
620 | ||
621 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
622 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK | |
623 | && notification | |
624 | && lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
625 | "Low notification received after intermediary communication"); | |
626 | lttng_notification_destroy(notification); | |
627 | notification = NULL; | |
628 | ||
629 | /* Stop consumer to force a high notification */ | |
ff2b03c8 | 630 | stop_consumer(argv); |
854382b8 | 631 | resume_application(); |
434f8068 | 632 | lttng_start_tracing(session_name); |
434f8068 JR |
633 | |
634 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
635 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
636 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
637 | "High notification received after intermediary communication"); | |
638 | lttng_notification_destroy(notification); | |
639 | notification = NULL; | |
640 | ||
854382b8 | 641 | suspend_application(); |
ff2b03c8 | 642 | lttng_stop_tracing_no_wait(session_name); |
434f8068 | 643 | resume_consumer(argv); |
ff2b03c8 | 644 | wait_data_pending(session_name); |
434f8068 JR |
645 | |
646 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
647 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
648 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
649 | "Low notification received after re-subscription"); | |
650 | lttng_notification_destroy(notification); | |
651 | notification = NULL; | |
652 | ||
ff2b03c8 | 653 | stop_consumer(argv); |
854382b8 | 654 | resume_application(); |
434f8068 JR |
655 | /* Stop consumer to force a high notification */ |
656 | lttng_start_tracing(session_name); | |
434f8068 JR |
657 | |
658 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
659 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
660 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
661 | "High notification"); | |
662 | lttng_notification_destroy(notification); | |
663 | notification = NULL; | |
664 | ||
665 | /* Resume consumer to allow event consumption */ | |
ff2b03c8 JG |
666 | suspend_application(); |
667 | lttng_stop_tracing_no_wait(session_name); | |
434f8068 | 668 | resume_consumer(argv); |
ff2b03c8 | 669 | wait_data_pending(session_name); |
434f8068 JR |
670 | |
671 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, low_condition); | |
672 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe low condition with pending notification"); | |
673 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, high_condition); | |
674 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe high condition with pending notification"); | |
675 | ||
676 | end: | |
677 | lttng_notification_channel_destroy(notification_channel); | |
678 | lttng_trigger_destroy(trigger); | |
679 | lttng_action_destroy(action); | |
680 | lttng_condition_destroy(low_condition); | |
eff748d0 | 681 | lttng_condition_destroy(high_condition); |
434f8068 JR |
682 | lttng_condition_destroy(dummy_invalid_condition); |
683 | lttng_condition_destroy(dummy_condition); | |
684 | } | |
685 | ||
686 | int main(int argc, const char *argv[]) | |
687 | { | |
688 | const char *session_name = NULL; | |
689 | const char *channel_name = NULL; | |
690 | const char *domain_type_string = NULL; | |
691 | enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE; | |
692 | ||
693 | plan_tests(NUM_TESTS); | |
694 | ||
854382b8 JR |
695 | /* Argument 6 and upward are named pipe location for consumerd control */ |
696 | named_pipe_args_start = 6; | |
434f8068 | 697 | |
854382b8 | 698 | if (argc < 7) { |
434f8068 JR |
699 | fail("Missing parameter for tests to run %d", argc); |
700 | goto error; | |
701 | } | |
702 | ||
703 | nb_args = argc; | |
704 | ||
854382b8 JR |
705 | domain_type_string = argv[1]; |
706 | session_name = argv[2]; | |
707 | channel_name = argv[3]; | |
708 | app_pid = (pid_t) atoi(argv[4]); | |
709 | app_state_file = argv[5]; | |
434f8068 JR |
710 | |
711 | if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) { | |
712 | domain_type = LTTNG_DOMAIN_UST; | |
713 | } | |
714 | if (!strcmp("LTTNG_DOMAIN_KERNEL", domain_type_string)) { | |
715 | domain_type = LTTNG_DOMAIN_KERNEL; | |
716 | } | |
717 | if (domain_type == LTTNG_DOMAIN_NONE) { | |
718 | fail("Unknown domain type"); | |
719 | goto error; | |
720 | } | |
721 | ||
722 | diag("Test trigger for domain %s with buffer_usage_low condition", domain_type_string); | |
723 | test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW); | |
724 | diag("Test trigger for domain %s with buffer_usage_high condition", domain_type_string); | |
725 | test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH); | |
726 | ||
727 | diag("Test notification channel api for domain %s", domain_type_string); | |
728 | test_notification_channel(session_name, channel_name, domain_type, argv); | |
729 | error: | |
730 | return exit_status(); | |
731 | } | |
732 |