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) { | |
62 | (void) poll(NULL, 0, 10); /* 10 ms delay */ | |
63 | continue; /* retry */ | |
64 | } | |
65 | break; /* File does not exist */ | |
66 | } | |
67 | if (ret) { | |
68 | perror("stat"); | |
69 | exit(EXIT_FAILURE); | |
70 | } | |
71 | break; /* found */ | |
72 | } | |
73 | } | |
434f8068 JR |
74 | |
75 | int write_pipe(const char *path, uint8_t data) | |
76 | { | |
77 | int ret = 0; | |
78 | int fd = 0; | |
79 | ||
80 | fd = open(path, O_WRONLY | O_NONBLOCK); | |
81 | if (fd < 0) { | |
82 | perror("Could not open consumer control named pipe"); | |
83 | goto end; | |
84 | } | |
85 | ||
86 | ret = write(fd, &data , sizeof(data)); | |
87 | if (ret < 1) { | |
88 | perror("Named pipe write failed"); | |
eff748d0 JR |
89 | if (close(fd)) { |
90 | perror("Named pipe close failed"); | |
91 | } | |
434f8068 JR |
92 | ret = -1; |
93 | goto end; | |
94 | } | |
95 | ||
96 | ret = close(fd); | |
97 | if (ret < 0) { | |
98 | perror("Name pipe closing failed"); | |
99 | ret = -1; | |
100 | goto end; | |
101 | } | |
102 | end: | |
103 | return ret; | |
104 | } | |
105 | ||
106 | int stop_consumer(const char **argv) | |
107 | { | |
9df6c82a JG |
108 | int ret = 0, i; |
109 | ||
110 | for (i = named_pipe_args_start; i < nb_args; i++) { | |
434f8068 JR |
111 | ret = write_pipe(argv[i], 49); |
112 | } | |
113 | return ret; | |
114 | } | |
115 | ||
116 | int resume_consumer(const char **argv) | |
117 | { | |
9df6c82a JG |
118 | int ret = 0, i; |
119 | ||
120 | for (i = named_pipe_args_start; i < nb_args; i++) { | |
434f8068 JR |
121 | ret = write_pipe(argv[i], 0); |
122 | } | |
123 | return ret; | |
124 | } | |
125 | ||
854382b8 JR |
126 | int suspend_application() |
127 | { | |
128 | int ret; | |
129 | struct stat buf; | |
130 | ||
131 | if (!stat(app_state_file, &buf)) { | |
132 | fail("App is already in a suspended state."); | |
133 | ret = -1; | |
134 | goto error; | |
135 | } | |
136 | ||
137 | /* | |
138 | * Send SIGUSR1 to application instructing it to bypass tracepoint. | |
139 | */ | |
140 | ret = kill(app_pid, SIGUSR1); | |
141 | if (ret) { | |
142 | fail("SIGUSR1 failed. errno %d", errno); | |
143 | ret = -1; | |
144 | goto error; | |
145 | } | |
146 | ||
147 | wait_on_file(app_state_file, true); | |
148 | ||
149 | error: | |
150 | return ret; | |
151 | ||
152 | } | |
153 | ||
154 | int resume_application() | |
155 | { | |
156 | int ret; | |
157 | struct stat buf; | |
158 | ||
159 | ret = stat(app_state_file, &buf); | |
160 | if (ret == -1 && errno == ENOENT) { | |
161 | fail("State file does not exist"); | |
162 | goto error; | |
163 | } | |
164 | if (ret) { | |
165 | perror("stat"); | |
166 | goto error; | |
167 | } | |
168 | ||
169 | ret = kill(app_pid, SIGUSR1); | |
170 | if (ret) { | |
171 | fail("SIGUSR1 failed. errno %d", errno); | |
172 | ret = -1; | |
173 | goto error; | |
174 | } | |
175 | ||
176 | wait_on_file(app_state_file, false); | |
177 | ||
178 | error: | |
179 | return ret; | |
180 | ||
181 | } | |
182 | ||
183 | ||
434f8068 JR |
184 | void test_triggers_buffer_usage_condition(const char *session_name, |
185 | const char *channel_name, | |
186 | enum lttng_domain_type domain_type, | |
187 | enum lttng_condition_type condition_type) | |
188 | { | |
9df6c82a | 189 | unsigned int test_vector_size = 5, i; |
434f8068 JR |
190 | enum lttng_condition_status condition_status; |
191 | struct lttng_action *action; | |
192 | ||
193 | /* Set-up */ | |
194 | action = lttng_action_notify_create(); | |
195 | if (!action) { | |
196 | fail("Setup error on action creation"); | |
197 | goto end; | |
198 | } | |
199 | ||
200 | /* Test lttng_register_trigger with null value */ | |
201 | ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected"); | |
202 | ||
203 | /* Test: register a trigger */ | |
9df6c82a JG |
204 | |
205 | for (i = 0; i < pow(2,test_vector_size); i++) { | |
434f8068 JR |
206 | int loop_ret = 0; |
207 | char *test_tuple_string = NULL; | |
208 | unsigned int mask_position = 0; | |
209 | bool session_name_set = false; | |
210 | bool channel_name_set = false; | |
211 | bool threshold_ratio_set = false; | |
212 | bool threshold_byte_set = false; | |
213 | bool domain_type_set = false; | |
214 | ||
215 | struct lttng_trigger *trigger = NULL; | |
216 | struct lttng_condition *condition = NULL; | |
217 | ||
218 | /* Create base condition */ | |
219 | switch (condition_type) { | |
220 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: | |
221 | condition = lttng_condition_buffer_usage_low_create(); | |
222 | break; | |
223 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: | |
224 | condition = lttng_condition_buffer_usage_high_create(); | |
225 | break; | |
226 | default: | |
227 | loop_ret = 1; | |
228 | goto loop_end; | |
229 | } | |
230 | ||
231 | if (!condition) { | |
232 | loop_ret = 1; | |
233 | goto loop_end; | |
234 | ||
235 | } | |
236 | ||
237 | /* Prepare the condition for trigger registration test */ | |
238 | ||
239 | /* Set session name */ | |
240 | if ((1 << mask_position) & i) { | |
241 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
242 | condition, session_name); | |
243 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
244 | loop_ret = 1; | |
245 | goto loop_end; | |
246 | } | |
247 | session_name_set = true; | |
248 | } | |
249 | mask_position++; | |
250 | ||
251 | /* Set channel name */ | |
252 | if ((1 << mask_position) & i) { | |
253 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
254 | condition, channel_name); | |
255 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
256 | loop_ret = 1; | |
257 | goto loop_end; | |
258 | } | |
259 | channel_name_set = true; | |
260 | } | |
261 | mask_position++; | |
262 | ||
263 | /* Set threshold ratio */ | |
264 | if ((1 << mask_position) & i) { | |
265 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
266 | condition, 0.0); | |
267 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
268 | loop_ret = 1; | |
269 | goto loop_end; | |
270 | } | |
271 | threshold_ratio_set = true; | |
272 | } | |
273 | mask_position++; | |
274 | ||
275 | /* Set threshold byte */ | |
276 | if ((1 << mask_position) & i) { | |
277 | condition_status = lttng_condition_buffer_usage_set_threshold( | |
278 | condition, 0); | |
279 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
280 | loop_ret = 1; | |
281 | goto loop_end; | |
282 | } | |
283 | threshold_byte_set = true; | |
284 | } | |
285 | mask_position++; | |
286 | ||
287 | /* Set domain type */ | |
288 | if ((1 << mask_position) & i) { | |
289 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
290 | condition, LTTNG_DOMAIN_UST); | |
291 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
292 | loop_ret = 1; | |
293 | goto loop_end; | |
294 | } | |
295 | domain_type_set = true; | |
296 | } | |
297 | ||
298 | /* Safety check */ | |
299 | if (mask_position != test_vector_size -1) { | |
300 | assert("Logic error for test vector generation"); | |
301 | } | |
302 | ||
303 | loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s", | |
304 | session_name_set ? "set" : "unset", | |
305 | channel_name_set ? "set" : "unset", | |
306 | threshold_ratio_set ? "set" : "unset", | |
307 | threshold_byte_set ? "set" : "unset", | |
308 | domain_type_set? "set" : "unset"); | |
309 | if (!test_tuple_string || loop_ret < 0) { | |
310 | loop_ret = 1; | |
311 | goto loop_end; | |
312 | } | |
313 | ||
314 | /* Create trigger */ | |
315 | trigger = lttng_trigger_create(condition, action); | |
316 | if (!trigger) { | |
317 | loop_ret = 1; | |
318 | goto loop_end; | |
319 | } | |
320 | ||
321 | loop_ret = lttng_register_trigger(trigger); | |
322 | ||
323 | loop_end: | |
324 | if (loop_ret == 1) { | |
325 | fail("Setup error occurred for tuple: %s", test_tuple_string); | |
326 | goto loop_cleanup; | |
327 | } | |
328 | ||
329 | /* This combination happens three times */ | |
330 | if (session_name_set && channel_name_set | |
331 | && (threshold_ratio_set || threshold_byte_set) | |
332 | && domain_type_set) { | |
333 | ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string); | |
334 | ||
335 | /* | |
336 | * Test that a trigger cannot be registered | |
337 | * multiple time. | |
338 | */ | |
339 | loop_ret = lttng_register_trigger(trigger); | |
340 | ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string); | |
341 | ||
342 | /* Test that a trigger can be unregistered */ | |
343 | loop_ret = lttng_unregister_trigger(trigger); | |
344 | ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string); | |
345 | ||
346 | /* | |
347 | * Test that unregistration of a non-previously | |
348 | * registered trigger fail. | |
349 | */ | |
350 | loop_ret = lttng_unregister_trigger(trigger); | |
d9a7a1ec | 351 | ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registered trigger fails as expected: %s", test_tuple_string); |
434f8068 JR |
352 | } else { |
353 | ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string); | |
354 | } | |
355 | ||
356 | loop_cleanup: | |
357 | free(test_tuple_string); | |
358 | lttng_trigger_destroy(trigger); | |
359 | lttng_condition_destroy(condition); | |
360 | } | |
361 | ||
362 | end: | |
363 | lttng_action_destroy(action); | |
364 | } | |
365 | ||
ff2b03c8 JG |
366 | static |
367 | void wait_data_pending(const char *session_name) | |
368 | { | |
369 | int ret; | |
370 | ||
371 | do { | |
372 | ret = lttng_data_pending(session_name); | |
373 | assert(ret >= 0); | |
374 | } while (ret != 0); | |
375 | } | |
376 | ||
854382b8 | 377 | void test_notification_channel(const char *session_name, const char *channel_name, const enum lttng_domain_type domain_type, const char **argv) |
434f8068 JR |
378 | { |
379 | int ret = 0; | |
380 | enum lttng_condition_status condition_status; | |
381 | enum lttng_notification_channel_status nc_status; | |
382 | ||
383 | struct lttng_action *action = NULL; | |
384 | struct lttng_notification *notification = NULL; | |
385 | struct lttng_notification_channel *notification_channel = NULL; | |
386 | struct lttng_trigger *trigger = NULL; | |
387 | ||
388 | struct lttng_condition *low_condition = NULL; | |
389 | struct lttng_condition *high_condition = NULL; | |
390 | struct lttng_condition *dummy_invalid_condition = NULL; | |
391 | struct lttng_condition *dummy_condition = NULL; | |
392 | ||
393 | double low_ratio = 0.0; | |
394 | double high_ratio = 0.99; | |
395 | ||
396 | /* Set-up */ | |
397 | action = lttng_action_notify_create(); | |
398 | if (!action) { | |
399 | fail("Setup error on action creation"); | |
400 | goto end; | |
401 | } | |
402 | ||
403 | /* Create a dummy, empty condition for later test */ | |
404 | dummy_invalid_condition = lttng_condition_buffer_usage_low_create(); | |
405 | if (!dummy_invalid_condition) { | |
406 | fail("Setup error on condition creation"); | |
407 | goto end; | |
408 | } | |
409 | ||
410 | /* Create a valid dummy condition with a ratio of 0.5 */ | |
411 | dummy_condition = lttng_condition_buffer_usage_low_create(); | |
412 | if (!dummy_condition) { | |
413 | fail("Setup error on dummy_condition creation"); | |
414 | goto end; | |
415 | ||
416 | } | |
417 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
418 | dummy_condition, 0.5); | |
419 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
420 | fail("Setup error on condition creation"); | |
421 | goto end; | |
422 | } | |
423 | ||
424 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
425 | dummy_condition, session_name); | |
426 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
427 | fail("Setup error on dummy_condition creation"); | |
428 | goto end; | |
429 | } | |
430 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
431 | dummy_condition, channel_name); | |
432 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
433 | fail("Setup error on dummy_condition creation"); | |
434 | goto end; | |
435 | } | |
436 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
437 | dummy_condition, domain_type); | |
438 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
439 | fail("Setup error on dummy_condition creation"); | |
440 | goto end; | |
441 | } | |
442 | ||
443 | /* Register a low condition with a ratio */ | |
444 | low_condition = lttng_condition_buffer_usage_low_create(); | |
445 | if (!low_condition) { | |
446 | fail("Setup error on low_condition creation"); | |
447 | goto end; | |
448 | } | |
449 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
450 | low_condition, low_ratio); | |
451 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
452 | fail("Setup error on low_condition creation"); | |
453 | goto end; | |
454 | } | |
455 | ||
456 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
457 | low_condition, session_name); | |
458 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
459 | fail("Setup error on low_condition creation"); | |
460 | goto end; | |
461 | } | |
462 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
463 | low_condition, channel_name); | |
464 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
465 | fail("Setup error on low_condition creation"); | |
466 | goto end; | |
467 | } | |
468 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
469 | low_condition, domain_type); | |
470 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
471 | fail("Setup error on low_condition creation"); | |
472 | goto end; | |
473 | ||
474 | } | |
475 | ||
476 | /* Register a high condition with a ratio */ | |
477 | high_condition = lttng_condition_buffer_usage_high_create(); | |
478 | if (!high_condition) { | |
479 | fail("Setup error on high_condition creation"); | |
480 | goto end; | |
481 | } | |
482 | ||
483 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( | |
484 | high_condition, high_ratio); | |
485 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
486 | fail("Setup error on high_condition creation"); | |
487 | goto end; | |
488 | } | |
489 | ||
490 | condition_status = lttng_condition_buffer_usage_set_session_name( | |
491 | high_condition, session_name); | |
492 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
493 | fail("Setup error on high_condition creation"); | |
494 | goto end; | |
495 | } | |
496 | condition_status = lttng_condition_buffer_usage_set_channel_name( | |
497 | high_condition, channel_name); | |
498 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
499 | fail("Setup error on high_condition creation"); | |
500 | goto end; | |
501 | } | |
502 | condition_status = lttng_condition_buffer_usage_set_domain_type( | |
503 | high_condition, domain_type); | |
504 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { | |
505 | fail("Setup error on high_condition creation"); | |
506 | goto end; | |
507 | } | |
508 | ||
509 | /* Register the triggers for low and high condition */ | |
510 | trigger = lttng_trigger_create(low_condition, action); | |
511 | if (!trigger) { | |
512 | fail("Setup error on low trigger creation"); | |
513 | goto end; | |
514 | } | |
515 | ||
516 | ret = lttng_register_trigger(trigger); | |
517 | if (ret) { | |
518 | fail("Setup error on low trigger registration"); | |
519 | goto end; | |
520 | } | |
521 | ||
522 | lttng_trigger_destroy(trigger); | |
523 | trigger = NULL; | |
524 | ||
525 | trigger = lttng_trigger_create(high_condition, action); | |
526 | if (!trigger) { | |
527 | fail("Setup error on high trigger creation"); | |
528 | goto end; | |
529 | } | |
530 | ||
531 | ret = lttng_register_trigger(trigger); | |
532 | if (ret) { | |
533 | fail("Setup error on high trigger registration"); | |
534 | goto end; | |
535 | } | |
536 | ||
537 | /* Begin testing */ | |
538 | notification_channel = lttng_notification_channel_create(lttng_session_daemon_notification_endpoint); | |
539 | ok(notification_channel, "Notification channel object creation"); | |
540 | if (!notification_channel) { | |
541 | goto end; | |
542 | } | |
543 | ||
544 | /* Basic error path check */ | |
545 | nc_status = lttng_notification_channel_subscribe(NULL, NULL); | |
546 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NULL, NULL"); | |
547 | ||
548 | nc_status = lttng_notification_channel_subscribe(notification_channel, NULL); | |
549 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NON-NULL, NULL"); | |
550 | ||
551 | nc_status = lttng_notification_channel_subscribe(NULL, low_condition); | |
552 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NULL, NON-NULL"); | |
553 | ||
554 | nc_status = lttng_notification_channel_subscribe(notification_channel, dummy_invalid_condition); | |
555 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Subscribing to an invalid condition"); | |
556 | ||
557 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, dummy_invalid_condition); | |
a5fcfec4 | 558 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Unsubscribing from an invalid condition"); |
434f8068 JR |
559 | |
560 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, dummy_condition); | |
a5fcfec4 | 561 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION, "Unsubscribing from a valid unknown condition"); |
434f8068 JR |
562 | |
563 | /* Subscribe a valid low condition */ | |
564 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
565 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Subscribe to condition"); | |
566 | ||
567 | /* Subscribe a valid high condition */ | |
568 | nc_status = lttng_notification_channel_subscribe(notification_channel, high_condition); | |
569 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Subscribe to condition"); | |
570 | ||
571 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
572 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, "Subscribe to a condition for which subscription was already done"); | |
573 | ||
574 | nc_status = lttng_notification_channel_subscribe(notification_channel, high_condition); | |
575 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, "Subscribe to a condition for which subscription was already done"); | |
576 | ||
577 | /* Wait for notification to happen */ | |
434f8068 | 578 | stop_consumer(argv); |
ff2b03c8 | 579 | lttng_start_tracing(session_name); |
434f8068 JR |
580 | |
581 | /* Wait for high notification */ | |
582 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
583 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK | |
584 | && notification | |
585 | && lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
586 | "High notification received after intermediary communication"); | |
587 | lttng_notification_destroy(notification); | |
588 | notification = NULL; | |
589 | ||
854382b8 | 590 | suspend_application(); |
ff2b03c8 | 591 | lttng_stop_tracing_no_wait(session_name); |
434f8068 | 592 | resume_consumer(argv); |
ff2b03c8 | 593 | wait_data_pending(session_name); |
434f8068 JR |
594 | |
595 | /* | |
596 | * Test that communication still work even if there is notification | |
597 | * waiting for consumption. | |
598 | */ | |
599 | ||
600 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, low_condition); | |
601 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe with pending notification"); | |
602 | ||
603 | nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); | |
604 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "subscribe with pending notification"); | |
605 | ||
606 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
607 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK | |
608 | && notification | |
609 | && lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
610 | "Low notification received after intermediary communication"); | |
611 | lttng_notification_destroy(notification); | |
612 | notification = NULL; | |
613 | ||
614 | /* Stop consumer to force a high notification */ | |
ff2b03c8 | 615 | stop_consumer(argv); |
854382b8 | 616 | resume_application(); |
434f8068 | 617 | lttng_start_tracing(session_name); |
434f8068 JR |
618 | |
619 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
620 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
621 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
622 | "High notification received after intermediary communication"); | |
623 | lttng_notification_destroy(notification); | |
624 | notification = NULL; | |
625 | ||
854382b8 | 626 | suspend_application(); |
ff2b03c8 | 627 | lttng_stop_tracing_no_wait(session_name); |
434f8068 | 628 | resume_consumer(argv); |
ff2b03c8 | 629 | wait_data_pending(session_name); |
434f8068 JR |
630 | |
631 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
632 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
633 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, | |
634 | "Low notification received after re-subscription"); | |
635 | lttng_notification_destroy(notification); | |
636 | notification = NULL; | |
637 | ||
ff2b03c8 | 638 | stop_consumer(argv); |
854382b8 | 639 | resume_application(); |
434f8068 JR |
640 | /* Stop consumer to force a high notification */ |
641 | lttng_start_tracing(session_name); | |
434f8068 JR |
642 | |
643 | nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); | |
644 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && | |
645 | lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, | |
646 | "High notification"); | |
647 | lttng_notification_destroy(notification); | |
648 | notification = NULL; | |
649 | ||
650 | /* Resume consumer to allow event consumption */ | |
ff2b03c8 JG |
651 | suspend_application(); |
652 | lttng_stop_tracing_no_wait(session_name); | |
434f8068 | 653 | resume_consumer(argv); |
ff2b03c8 | 654 | wait_data_pending(session_name); |
434f8068 JR |
655 | |
656 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, low_condition); | |
657 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe low condition with pending notification"); | |
658 | nc_status = lttng_notification_channel_unsubscribe(notification_channel, high_condition); | |
659 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, "Unsubscribe high condition with pending notification"); | |
660 | ||
661 | end: | |
662 | lttng_notification_channel_destroy(notification_channel); | |
663 | lttng_trigger_destroy(trigger); | |
664 | lttng_action_destroy(action); | |
665 | lttng_condition_destroy(low_condition); | |
eff748d0 | 666 | lttng_condition_destroy(high_condition); |
434f8068 JR |
667 | lttng_condition_destroy(dummy_invalid_condition); |
668 | lttng_condition_destroy(dummy_condition); | |
669 | } | |
670 | ||
671 | int main(int argc, const char *argv[]) | |
672 | { | |
673 | const char *session_name = NULL; | |
674 | const char *channel_name = NULL; | |
675 | const char *domain_type_string = NULL; | |
676 | enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE; | |
677 | ||
678 | plan_tests(NUM_TESTS); | |
679 | ||
854382b8 JR |
680 | /* Argument 6 and upward are named pipe location for consumerd control */ |
681 | named_pipe_args_start = 6; | |
434f8068 | 682 | |
854382b8 | 683 | if (argc < 7) { |
434f8068 JR |
684 | fail("Missing parameter for tests to run %d", argc); |
685 | goto error; | |
686 | } | |
687 | ||
688 | nb_args = argc; | |
689 | ||
854382b8 JR |
690 | domain_type_string = argv[1]; |
691 | session_name = argv[2]; | |
692 | channel_name = argv[3]; | |
693 | app_pid = (pid_t) atoi(argv[4]); | |
694 | app_state_file = argv[5]; | |
434f8068 JR |
695 | |
696 | if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) { | |
697 | domain_type = LTTNG_DOMAIN_UST; | |
698 | } | |
699 | if (!strcmp("LTTNG_DOMAIN_KERNEL", domain_type_string)) { | |
700 | domain_type = LTTNG_DOMAIN_KERNEL; | |
701 | } | |
702 | if (domain_type == LTTNG_DOMAIN_NONE) { | |
703 | fail("Unknown domain type"); | |
704 | goto error; | |
705 | } | |
706 | ||
707 | diag("Test trigger for domain %s with buffer_usage_low condition", domain_type_string); | |
708 | test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW); | |
709 | diag("Test trigger for domain %s with buffer_usage_high condition", domain_type_string); | |
710 | test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH); | |
711 | ||
712 | diag("Test notification channel api for domain %s", domain_type_string); | |
713 | test_notification_channel(session_name, channel_name, domain_type, argv); | |
714 | error: | |
715 | return exit_status(); | |
716 | } | |
717 |