| 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 | * |
| 8 | * SPDX-License-Identifier: MIT |
| 9 | * |
| 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> |
| 23 | #include <signal.h> |
| 24 | #include <poll.h> |
| 25 | |
| 26 | #include <common/compat/errno.h> |
| 27 | #include <lttng/lttng.h> |
| 28 | |
| 29 | #include <tap/tap.h> |
| 30 | |
| 31 | #define FIELD_NAME_MAX_LEN 256 |
| 32 | |
| 33 | /* A callback to populate the condition capture descriptor. */ |
| 34 | typedef int (*condition_capture_desc_cb)(struct lttng_condition *condition); |
| 35 | |
| 36 | /* A callback for captured field validation. */ |
| 37 | typedef int (*validate_cb)(const struct lttng_event_field_value *event_field, unsigned iteration); |
| 38 | |
| 39 | int nb_args = 0; |
| 40 | int named_pipe_args_start = 0; |
| 41 | pid_t app_pid = 0; |
| 42 | const char *app_state_file = NULL; |
| 43 | |
| 44 | enum field_type { |
| 45 | FIELD_TYPE_PAYLOAD, |
| 46 | FIELD_TYPE_CONTEXT, |
| 47 | FIELD_TYPE_APP_CONTEXT, |
| 48 | FIELD_TYPE_ARRAY_FIELD, |
| 49 | }; |
| 50 | |
| 51 | struct capture_base_field_tuple { |
| 52 | char* field_name; |
| 53 | enum field_type field_type; |
| 54 | /* Do we expect a userspace capture? */ |
| 55 | bool expected_ust; |
| 56 | /* Do we expect a kernel capture? */ |
| 57 | bool expected_kernel; |
| 58 | validate_cb validate_ust; |
| 59 | validate_cb validate_kernel; |
| 60 | }; |
| 61 | |
| 62 | static |
| 63 | const char *field_value_type_to_str(enum lttng_event_field_value_type type) |
| 64 | { |
| 65 | switch (type) { |
| 66 | case LTTNG_EVENT_FIELD_VALUE_TYPE_UNKNOWN: |
| 67 | return "UNKNOWN"; |
| 68 | case LTTNG_EVENT_FIELD_VALUE_TYPE_INVALID: |
| 69 | return "INVALID"; |
| 70 | case LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT: |
| 71 | return "UNSIGNED INT"; |
| 72 | case LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_INT: |
| 73 | return "SIGNED INT"; |
| 74 | case LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_ENUM: |
| 75 | return "UNSIGNED ENUM"; |
| 76 | case LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_ENUM: |
| 77 | return "SIGNED ENUM"; |
| 78 | case LTTNG_EVENT_FIELD_VALUE_TYPE_REAL: |
| 79 | return "REAL"; |
| 80 | case LTTNG_EVENT_FIELD_VALUE_TYPE_STRING: |
| 81 | return "STRING"; |
| 82 | case LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY: |
| 83 | return "ARRAY"; |
| 84 | default: |
| 85 | abort(); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | static int validate_type(const struct lttng_event_field_value *event_field, |
| 90 | enum lttng_event_field_value_type expect) |
| 91 | { |
| 92 | int ret; |
| 93 | enum lttng_event_field_value_type value; |
| 94 | |
| 95 | value = lttng_event_field_value_get_type(event_field); |
| 96 | if (value == LTTNG_EVENT_FIELD_VALUE_TYPE_INVALID) { |
| 97 | ret = 1; |
| 98 | goto end; |
| 99 | } |
| 100 | |
| 101 | ok(expect == value, "Expected field type %s, got %s", |
| 102 | field_value_type_to_str(expect), |
| 103 | field_value_type_to_str(value)); |
| 104 | |
| 105 | ret = expect != value; |
| 106 | |
| 107 | end: |
| 108 | return ret; |
| 109 | } |
| 110 | |
| 111 | /* |
| 112 | * Validate unsigned captured field against the iteration number. |
| 113 | */ |
| 114 | static int validate_unsigned_int_field( |
| 115 | const struct lttng_event_field_value *event_field, |
| 116 | unsigned int expected_value) |
| 117 | { |
| 118 | int ret; |
| 119 | uint64_t value; |
| 120 | enum lttng_event_field_value_status status; |
| 121 | |
| 122 | ret = validate_type( |
| 123 | event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT); |
| 124 | if (ret) { |
| 125 | goto end; |
| 126 | } |
| 127 | |
| 128 | status = lttng_event_field_value_unsigned_int_get_value( |
| 129 | event_field, &value); |
| 130 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 131 | fail("lttng_event_field_value_unsigned_int_get_value returned an error: status = %d", |
| 132 | (int) status); |
| 133 | ret = 1; |
| 134 | goto end; |
| 135 | } |
| 136 | |
| 137 | ok(value == (uint64_t) expected_value, |
| 138 | "Expected unsigned integer value %u, got %" PRIu64, |
| 139 | expected_value, value); |
| 140 | |
| 141 | ret = value != (uint64_t) expected_value; |
| 142 | |
| 143 | end: |
| 144 | return ret; |
| 145 | } |
| 146 | |
| 147 | /* |
| 148 | * Validate signed captured field. |
| 149 | */ |
| 150 | static int validate_signed_int_field( |
| 151 | const struct lttng_event_field_value *event_field, |
| 152 | unsigned int iteration) |
| 153 | { |
| 154 | int ret; |
| 155 | const int64_t expected = -1; |
| 156 | int64_t value; |
| 157 | enum lttng_event_field_value_status status; |
| 158 | |
| 159 | /* Unused. */ |
| 160 | (void) iteration; |
| 161 | |
| 162 | ret = validate_type( |
| 163 | event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_INT); |
| 164 | if (ret) { |
| 165 | goto end; |
| 166 | } |
| 167 | |
| 168 | status = lttng_event_field_value_signed_int_get_value( |
| 169 | event_field, &value); |
| 170 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 171 | fail("lttng_event_field_value_signed_int_get_value returned an error: status = %d", |
| 172 | (int) status); |
| 173 | ret = 1; |
| 174 | goto end; |
| 175 | } |
| 176 | |
| 177 | ok(value == expected, |
| 178 | "Expected signed integer value %" PRId64 |
| 179 | ", got %" PRId64, |
| 180 | expected, value); |
| 181 | |
| 182 | ret = value != expected; |
| 183 | |
| 184 | end: |
| 185 | |
| 186 | return ret; |
| 187 | } |
| 188 | |
| 189 | /* |
| 190 | * Validate array of unsigned int. |
| 191 | */ |
| 192 | static int validate_array_unsigned_int_field( |
| 193 | const struct lttng_event_field_value *event_field, |
| 194 | unsigned int iteration) |
| 195 | { |
| 196 | int ret; |
| 197 | enum lttng_event_field_value_status status; |
| 198 | const unsigned int expected = 3; |
| 199 | unsigned int i, count; |
| 200 | |
| 201 | /* Unused. */ |
| 202 | (void) iteration; |
| 203 | |
| 204 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY); |
| 205 | if (ret) { |
| 206 | goto end; |
| 207 | } |
| 208 | |
| 209 | status = lttng_event_field_value_array_get_length(event_field, &count); |
| 210 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 211 | fail("lttng_event_field_value_array_get_length"); |
| 212 | ret = 1; |
| 213 | goto end; |
| 214 | } |
| 215 | |
| 216 | ok(count == expected, "Expected %d subelements, got %d", expected, |
| 217 | count); |
| 218 | if (count != expected) { |
| 219 | ret = 1; |
| 220 | goto end; |
| 221 | } |
| 222 | |
| 223 | for (i = 1; i < count + 1; i++) { |
| 224 | const struct lttng_event_field_value *value; |
| 225 | |
| 226 | status = lttng_event_field_value_array_get_element_at_index( |
| 227 | event_field, i - 1, &value); |
| 228 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 229 | fail("lttng_event_field_value_array_get_element_at_index returned an error: status = %d", |
| 230 | (int) status); |
| 231 | ret = 1; |
| 232 | goto end; |
| 233 | } |
| 234 | |
| 235 | ret = validate_unsigned_int_field(value, i); |
| 236 | if (ret) { |
| 237 | goto end; |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | ret = 0; |
| 242 | end: |
| 243 | |
| 244 | return ret; |
| 245 | } |
| 246 | |
| 247 | static int validate_array_unsigned_int_field_at_index( |
| 248 | const struct lttng_event_field_value *event_field, |
| 249 | unsigned int iteration) |
| 250 | { |
| 251 | int ret; |
| 252 | const uint64_t expected_value = 2; |
| 253 | enum lttng_event_field_value_status status; |
| 254 | uint64_t value; |
| 255 | |
| 256 | /* Unused. */ |
| 257 | (void) iteration; |
| 258 | |
| 259 | ret = validate_type( |
| 260 | event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_INT); |
| 261 | if (ret) { |
| 262 | goto end; |
| 263 | } |
| 264 | |
| 265 | status = lttng_event_field_value_unsigned_int_get_value( |
| 266 | event_field, &value); |
| 267 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 268 | fail("lttng_event_field_value_unsigned_int_get_value returned an error: status = %d", |
| 269 | (int) status); |
| 270 | ret = 1; |
| 271 | goto end; |
| 272 | } |
| 273 | |
| 274 | ok(value == expected_value, |
| 275 | "Expected unsigned integer value %u, got %" PRIu64, |
| 276 | expected_value, value); |
| 277 | |
| 278 | ret = 0; |
| 279 | end: |
| 280 | return ret; |
| 281 | } |
| 282 | |
| 283 | /* |
| 284 | * Validate sequence for a string (seqfield1): |
| 285 | * |
| 286 | * Value: "test" encoded in UTF-8: [116, 101, 115, 116] |
| 287 | */ |
| 288 | static int validate_seqfield1(const struct lttng_event_field_value *event_field, |
| 289 | unsigned int iteration) |
| 290 | { |
| 291 | int ret; |
| 292 | enum lttng_event_field_value_status status; |
| 293 | unsigned int i, count; |
| 294 | const unsigned int expect[] = {116, 101, 115, 116}; |
| 295 | const size_t array_count = sizeof(expect) / sizeof(*expect); |
| 296 | |
| 297 | /* Unused. */ |
| 298 | (void) iteration; |
| 299 | |
| 300 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_ARRAY); |
| 301 | if (ret) { |
| 302 | goto end; |
| 303 | } |
| 304 | |
| 305 | status = lttng_event_field_value_array_get_length(event_field, &count); |
| 306 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 307 | fail("lttng_event_field_value_array_get_length returned an error: status = %d", |
| 308 | (int) status); |
| 309 | ret = 1; |
| 310 | goto end; |
| 311 | } |
| 312 | |
| 313 | ok(count == array_count, "Expected %zu array sub-elements, got %d", |
| 314 | array_count, count); |
| 315 | if (count != array_count) { |
| 316 | ret = 1; |
| 317 | goto end; |
| 318 | } |
| 319 | |
| 320 | for (i = 0; i < count; i++) { |
| 321 | const struct lttng_event_field_value *value; |
| 322 | |
| 323 | status = lttng_event_field_value_array_get_element_at_index( |
| 324 | event_field, i, &value); |
| 325 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 326 | fail("lttng_event_field_value_array_get_element_at_index returned an error: status = %d", |
| 327 | (int) status); |
| 328 | ret = 1; |
| 329 | goto end; |
| 330 | } |
| 331 | |
| 332 | ret = validate_unsigned_int_field(value, expect[i]); |
| 333 | if (ret) { |
| 334 | goto end; |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | ret = 0; |
| 339 | end: |
| 340 | return ret; |
| 341 | } |
| 342 | |
| 343 | static int validate_string( |
| 344 | const struct lttng_event_field_value *event_field, |
| 345 | const char *expect) |
| 346 | { |
| 347 | int ret; |
| 348 | const char *value = NULL; |
| 349 | enum lttng_event_field_value_status status; |
| 350 | |
| 351 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_STRING); |
| 352 | if (ret) { |
| 353 | goto end; |
| 354 | } |
| 355 | |
| 356 | status = lttng_event_field_value_string_get_value(event_field, &value); |
| 357 | if (!value) { |
| 358 | fail("lttng_event_field_value_array_get_length returned an error: status = %d", |
| 359 | (int) status); |
| 360 | ret = 1; |
| 361 | goto end; |
| 362 | } |
| 363 | |
| 364 | ok(!strcmp(value, expect), "Expected string value \"%s\", got \"%s\"", |
| 365 | expect, value); |
| 366 | |
| 367 | ret = 0; |
| 368 | end: |
| 369 | |
| 370 | return ret; |
| 371 | } |
| 372 | |
| 373 | /* |
| 374 | * Validate string. Expected value is "test". |
| 375 | */ |
| 376 | static int validate_string_test( |
| 377 | const struct lttng_event_field_value *event_field, |
| 378 | unsigned int iteration) |
| 379 | { |
| 380 | const char * const expect = "test"; |
| 381 | |
| 382 | /* Unused. */ |
| 383 | (void) iteration; |
| 384 | |
| 385 | return validate_string(event_field, expect); |
| 386 | } |
| 387 | |
| 388 | /* |
| 389 | * Validate escaped string. Expected value is "\*". |
| 390 | */ |
| 391 | static int validate_string_escaped( |
| 392 | const struct lttng_event_field_value *event_field, |
| 393 | unsigned int iteration) |
| 394 | { |
| 395 | const char * const expect = "\\*"; |
| 396 | |
| 397 | /* Unused. */ |
| 398 | (void) iteration; |
| 399 | |
| 400 | return validate_string(event_field, expect); |
| 401 | } |
| 402 | |
| 403 | /* |
| 404 | * Validate real field. |
| 405 | */ |
| 406 | static int validate_real( |
| 407 | const struct lttng_event_field_value *event_field, |
| 408 | double expect) |
| 409 | { |
| 410 | int ret; |
| 411 | double value; |
| 412 | enum lttng_event_field_value_status status; |
| 413 | |
| 414 | ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_REAL); |
| 415 | if (ret) { |
| 416 | goto end; |
| 417 | } |
| 418 | |
| 419 | status = lttng_event_field_value_real_get_value(event_field, &value); |
| 420 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 421 | fail("lttng_event_field_value_real_get_value returned an error: status = %d", |
| 422 | (int) status); |
| 423 | ret = 1; |
| 424 | goto end; |
| 425 | } |
| 426 | |
| 427 | ok(value == expect, "Expected real value %f, got %f", expect, value); |
| 428 | ret = value != expect; |
| 429 | end: |
| 430 | return ret; |
| 431 | } |
| 432 | |
| 433 | /* |
| 434 | * Validate floatfield. |
| 435 | */ |
| 436 | static int validate_floatfield( |
| 437 | const struct lttng_event_field_value *event_field, |
| 438 | unsigned int iteration) |
| 439 | { |
| 440 | const double expect = 2222.0; |
| 441 | |
| 442 | /* Unused. */ |
| 443 | (void) iteration; |
| 444 | |
| 445 | return validate_real(event_field, expect); |
| 446 | } |
| 447 | |
| 448 | /* |
| 449 | * Validate doublefield. |
| 450 | */ |
| 451 | static int validate_doublefield( |
| 452 | const struct lttng_event_field_value *event_field, |
| 453 | unsigned int iteration) |
| 454 | { |
| 455 | const double expect = 2.0; |
| 456 | |
| 457 | /* Unused. */ |
| 458 | (void) iteration; |
| 459 | |
| 460 | return validate_real(event_field, expect); |
| 461 | } |
| 462 | |
| 463 | /* |
| 464 | * Validate enum0: enum0 = ( "AUTO: EXPECT 0" : container = 0 ) |
| 465 | */ |
| 466 | static int validate_enum0(const struct lttng_event_field_value *event_field, |
| 467 | unsigned int iteration) |
| 468 | { |
| 469 | int ret; |
| 470 | enum lttng_event_field_value_status status; |
| 471 | uint64_t value; |
| 472 | const uint64_t expected_value = 0; |
| 473 | |
| 474 | /* Unused. */ |
| 475 | (void) iteration; |
| 476 | |
| 477 | ret = validate_type(event_field, |
| 478 | LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_ENUM); |
| 479 | if (ret) { |
| 480 | goto end; |
| 481 | } |
| 482 | |
| 483 | status = lttng_event_field_value_unsigned_int_get_value( |
| 484 | event_field, &value); |
| 485 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 486 | fail("lttng_event_field_value_unsigned_int_get_value returned an error: status = %d", |
| 487 | (int) status); |
| 488 | ret = 1; |
| 489 | goto end; |
| 490 | } |
| 491 | |
| 492 | ok(value == expected_value, |
| 493 | "Expected enum value %" PRIu64 ", got %" PRIu64, |
| 494 | expected_value, value); |
| 495 | |
| 496 | end: |
| 497 | return ret; |
| 498 | } |
| 499 | |
| 500 | /* |
| 501 | * Validate enumnegative: enumnegative = ( "AUTO: EXPECT 0" : container = 0 ) |
| 502 | * |
| 503 | * We expect 2 labels here. |
| 504 | */ |
| 505 | static int validate_enumnegative( |
| 506 | const struct lttng_event_field_value *event_field, |
| 507 | unsigned int iteration) |
| 508 | { |
| 509 | int ret; |
| 510 | enum lttng_event_field_value_status status; |
| 511 | int64_t value; |
| 512 | const int64_t expected_value = -1; |
| 513 | |
| 514 | /* Unused. */ |
| 515 | (void) iteration; |
| 516 | |
| 517 | ret = validate_type(event_field, |
| 518 | LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_ENUM); |
| 519 | if (ret) { |
| 520 | goto end; |
| 521 | } |
| 522 | |
| 523 | status = lttng_event_field_value_signed_int_get_value( |
| 524 | event_field, &value); |
| 525 | if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 526 | fail("lttng_event_field_value_unsigned_int_get_value"); |
| 527 | ret = 1; |
| 528 | goto end; |
| 529 | } |
| 530 | |
| 531 | ok(value == expected_value, |
| 532 | "Expected enum value %" PRId64 ", got %" PRId64, |
| 533 | expected_value, value); |
| 534 | |
| 535 | end: |
| 536 | return ret; |
| 537 | } |
| 538 | |
| 539 | static int validate_context_procname_ust( |
| 540 | const struct lttng_event_field_value *event_field, |
| 541 | unsigned int iteration) |
| 542 | { |
| 543 | /* Unused. */ |
| 544 | (void) iteration; |
| 545 | return validate_string(event_field, "gen-ust-events"); |
| 546 | } |
| 547 | |
| 548 | static int validate_context_procname_kernel( |
| 549 | const struct lttng_event_field_value *event_field, |
| 550 | unsigned int iteration) |
| 551 | { |
| 552 | /* Unused. */ |
| 553 | (void) iteration; |
| 554 | return validate_string(event_field, "echo"); |
| 555 | } |
| 556 | |
| 557 | struct capture_base_field_tuple test_capture_base_fields[] = { |
| 558 | { "DOESNOTEXIST", FIELD_TYPE_PAYLOAD, false, false, NULL, NULL }, |
| 559 | { "intfield", FIELD_TYPE_PAYLOAD, true, true, validate_unsigned_int_field, validate_unsigned_int_field }, |
| 560 | { "longfield", FIELD_TYPE_PAYLOAD, true, true, validate_unsigned_int_field, validate_unsigned_int_field }, |
| 561 | { "signedfield", FIELD_TYPE_PAYLOAD, true, true, validate_signed_int_field, validate_signed_int_field }, |
| 562 | { "arrfield1", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field }, |
| 563 | { "arrfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test }, |
| 564 | { "arrfield3", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field }, |
| 565 | { "seqfield1", FIELD_TYPE_PAYLOAD, true, true, validate_seqfield1, validate_seqfield1 }, |
| 566 | { "seqfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test }, |
| 567 | { "seqfield3", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field }, |
| 568 | { "seqfield4", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field }, |
| 569 | { "arrfield1[1]", FIELD_TYPE_ARRAY_FIELD, true, true, validate_array_unsigned_int_field_at_index, validate_array_unsigned_int_field_at_index }, |
| 570 | { "stringfield", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test }, |
| 571 | { "stringfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_escaped, validate_string_escaped }, |
| 572 | { "floatfield", FIELD_TYPE_PAYLOAD, true, false, validate_floatfield, validate_floatfield }, |
| 573 | { "doublefield", FIELD_TYPE_PAYLOAD, true, false, validate_doublefield, validate_doublefield }, |
| 574 | { "enum0", FIELD_TYPE_PAYLOAD, true, true, validate_enum0, validate_enum0 }, |
| 575 | { "enumnegative", FIELD_TYPE_PAYLOAD, true, true, validate_enumnegative, validate_enumnegative }, |
| 576 | { "$ctx.procname", FIELD_TYPE_CONTEXT, true, true, validate_context_procname_ust, validate_context_procname_kernel }, |
| 577 | }; |
| 578 | |
| 579 | static const char *get_notification_trigger_name( |
| 580 | struct lttng_notification *notification) |
| 581 | { |
| 582 | const char *trigger_name = NULL; |
| 583 | enum lttng_trigger_status trigger_status; |
| 584 | const struct lttng_trigger *trigger; |
| 585 | |
| 586 | trigger = lttng_notification_get_trigger(notification); |
| 587 | if (!trigger) { |
| 588 | fail("Failed to get trigger from notification"); |
| 589 | goto end; |
| 590 | } |
| 591 | |
| 592 | trigger_status = lttng_trigger_get_name(trigger, &trigger_name); |
| 593 | switch (trigger_status) { |
| 594 | case LTTNG_TRIGGER_STATUS_OK: |
| 595 | break; |
| 596 | case LTTNG_TRIGGER_STATUS_UNSET: |
| 597 | trigger_name = "(anonymous)"; |
| 598 | break; |
| 599 | default: |
| 600 | fail("Failed to get name from notification's trigger"); |
| 601 | goto end; |
| 602 | } |
| 603 | |
| 604 | end: |
| 605 | return trigger_name; |
| 606 | } |
| 607 | |
| 608 | static int validator_notification_trigger_name( |
| 609 | struct lttng_notification *notification, |
| 610 | const char *trigger_name) |
| 611 | { |
| 612 | int ret; |
| 613 | bool name_is_equal; |
| 614 | const char *name; |
| 615 | |
| 616 | assert(notification); |
| 617 | assert(trigger_name); |
| 618 | |
| 619 | name = get_notification_trigger_name(notification); |
| 620 | if (name == NULL) { |
| 621 | ret = 1; |
| 622 | goto end; |
| 623 | } |
| 624 | |
| 625 | name_is_equal = (strcmp(trigger_name, name) == 0); |
| 626 | ok(name_is_equal, "Expected trigger name: %s got %s", trigger_name, |
| 627 | name); |
| 628 | |
| 629 | ret = !name_is_equal; |
| 630 | |
| 631 | end: |
| 632 | return ret; |
| 633 | } |
| 634 | |
| 635 | static |
| 636 | void wait_on_file(const char *path, bool file_exist) |
| 637 | { |
| 638 | if (!path) { |
| 639 | return; |
| 640 | } |
| 641 | for (;;) { |
| 642 | int ret; |
| 643 | struct stat buf; |
| 644 | |
| 645 | ret = stat(path, &buf); |
| 646 | if (ret == -1 && errno == ENOENT) { |
| 647 | if (file_exist) { |
| 648 | /* |
| 649 | * The file does not exist. wait a bit and |
| 650 | * continue looping until it does. |
| 651 | */ |
| 652 | (void) poll(NULL, 0, 10); |
| 653 | continue; |
| 654 | } |
| 655 | |
| 656 | /* |
| 657 | * File does not exist and the exit condition we want. |
| 658 | * Break from the loop and return. |
| 659 | */ |
| 660 | break; |
| 661 | } |
| 662 | if (ret) { |
| 663 | perror("stat"); |
| 664 | exit(EXIT_FAILURE); |
| 665 | } |
| 666 | /* |
| 667 | * stat() returned 0, so the file exists. break now only if |
| 668 | * that's the exit condition we want. |
| 669 | */ |
| 670 | if (file_exist) { |
| 671 | break; |
| 672 | } |
| 673 | } |
| 674 | } |
| 675 | |
| 676 | static |
| 677 | int write_pipe(const char *path, uint8_t data) |
| 678 | { |
| 679 | int ret = 0; |
| 680 | int fd = 0; |
| 681 | |
| 682 | fd = open(path, O_WRONLY | O_NONBLOCK); |
| 683 | if (fd < 0) { |
| 684 | perror("Could not open consumer control named pipe"); |
| 685 | goto end; |
| 686 | } |
| 687 | |
| 688 | ret = write(fd, &data , sizeof(data)); |
| 689 | if (ret < 1) { |
| 690 | perror("Named pipe write failed"); |
| 691 | if (close(fd)) { |
| 692 | perror("Named pipe close failed"); |
| 693 | } |
| 694 | ret = -1; |
| 695 | goto end; |
| 696 | } |
| 697 | |
| 698 | ret = close(fd); |
| 699 | if (ret < 0) { |
| 700 | perror("Name pipe closing failed"); |
| 701 | ret = -1; |
| 702 | goto end; |
| 703 | } |
| 704 | end: |
| 705 | return ret; |
| 706 | } |
| 707 | |
| 708 | static |
| 709 | int stop_consumer(const char **argv) |
| 710 | { |
| 711 | int ret = 0, i; |
| 712 | |
| 713 | for (i = named_pipe_args_start; i < nb_args; i++) { |
| 714 | ret = write_pipe(argv[i], 49); |
| 715 | } |
| 716 | return ret; |
| 717 | } |
| 718 | |
| 719 | static |
| 720 | int resume_consumer(const char **argv) |
| 721 | { |
| 722 | int ret = 0, i; |
| 723 | |
| 724 | for (i = named_pipe_args_start; i < nb_args; i++) { |
| 725 | ret = write_pipe(argv[i], 0); |
| 726 | } |
| 727 | return ret; |
| 728 | } |
| 729 | |
| 730 | static |
| 731 | int suspend_application(void) |
| 732 | { |
| 733 | int ret; |
| 734 | struct stat buf; |
| 735 | |
| 736 | if (!stat(app_state_file, &buf)) { |
| 737 | fail("App is already in a suspended state."); |
| 738 | ret = -1; |
| 739 | goto error; |
| 740 | } |
| 741 | |
| 742 | /* |
| 743 | * Send SIGUSR1 to application instructing it to bypass tracepoint. |
| 744 | */ |
| 745 | assert(app_pid > 1); |
| 746 | |
| 747 | ret = kill(app_pid, SIGUSR1); |
| 748 | if (ret) { |
| 749 | fail("SIGUSR1 failed. errno %d", errno); |
| 750 | ret = -1; |
| 751 | goto error; |
| 752 | } |
| 753 | |
| 754 | wait_on_file(app_state_file, true); |
| 755 | |
| 756 | error: |
| 757 | return ret; |
| 758 | |
| 759 | } |
| 760 | |
| 761 | static |
| 762 | int resume_application(void) |
| 763 | { |
| 764 | int ret; |
| 765 | struct stat buf; |
| 766 | |
| 767 | ret = stat(app_state_file, &buf); |
| 768 | if (ret == -1 && errno == ENOENT) { |
| 769 | fail("State file does not exist"); |
| 770 | goto error; |
| 771 | } |
| 772 | if (ret) { |
| 773 | perror("stat"); |
| 774 | goto error; |
| 775 | } |
| 776 | |
| 777 | assert(app_pid > 1); |
| 778 | |
| 779 | ret = kill(app_pid, SIGUSR1); |
| 780 | if (ret) { |
| 781 | fail("SIGUSR1 failed. errno %d", errno); |
| 782 | ret = -1; |
| 783 | goto error; |
| 784 | } |
| 785 | |
| 786 | wait_on_file(app_state_file, false); |
| 787 | |
| 788 | error: |
| 789 | return ret; |
| 790 | |
| 791 | } |
| 792 | |
| 793 | |
| 794 | static |
| 795 | void test_triggers_buffer_usage_condition(const char *session_name, |
| 796 | const char *channel_name, |
| 797 | enum lttng_domain_type domain_type, |
| 798 | enum lttng_condition_type condition_type) |
| 799 | { |
| 800 | unsigned int test_vector_size = 5, i; |
| 801 | enum lttng_condition_status condition_status; |
| 802 | struct lttng_action *action; |
| 803 | |
| 804 | /* Set-up */ |
| 805 | action = lttng_action_notify_create(); |
| 806 | if (!action) { |
| 807 | fail("Setup error on action creation"); |
| 808 | goto end; |
| 809 | } |
| 810 | |
| 811 | /* Test lttng_register_trigger with null value */ |
| 812 | ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected"); |
| 813 | |
| 814 | /* Test: register a trigger */ |
| 815 | |
| 816 | for (i = 0; i < pow(2,test_vector_size); i++) { |
| 817 | int loop_ret = 0; |
| 818 | char *test_tuple_string = NULL; |
| 819 | unsigned int mask_position = 0; |
| 820 | bool session_name_set = false; |
| 821 | bool channel_name_set = false; |
| 822 | bool threshold_ratio_set = false; |
| 823 | bool threshold_byte_set = false; |
| 824 | bool domain_type_set = false; |
| 825 | |
| 826 | struct lttng_trigger *trigger = NULL; |
| 827 | struct lttng_condition *condition = NULL; |
| 828 | |
| 829 | /* Create base condition */ |
| 830 | switch (condition_type) { |
| 831 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: |
| 832 | condition = lttng_condition_buffer_usage_low_create(); |
| 833 | break; |
| 834 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: |
| 835 | condition = lttng_condition_buffer_usage_high_create(); |
| 836 | break; |
| 837 | default: |
| 838 | loop_ret = 1; |
| 839 | goto loop_end; |
| 840 | } |
| 841 | |
| 842 | if (!condition) { |
| 843 | loop_ret = 1; |
| 844 | goto loop_end; |
| 845 | |
| 846 | } |
| 847 | |
| 848 | /* Prepare the condition for trigger registration test */ |
| 849 | |
| 850 | /* Set session name */ |
| 851 | if ((1 << mask_position) & i) { |
| 852 | condition_status = lttng_condition_buffer_usage_set_session_name( |
| 853 | condition, session_name); |
| 854 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 855 | loop_ret = 1; |
| 856 | goto loop_end; |
| 857 | } |
| 858 | session_name_set = true; |
| 859 | } |
| 860 | mask_position++; |
| 861 | |
| 862 | /* Set channel name */ |
| 863 | if ((1 << mask_position) & i) { |
| 864 | condition_status = lttng_condition_buffer_usage_set_channel_name( |
| 865 | condition, channel_name); |
| 866 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 867 | loop_ret = 1; |
| 868 | goto loop_end; |
| 869 | } |
| 870 | channel_name_set = true; |
| 871 | } |
| 872 | mask_position++; |
| 873 | |
| 874 | /* Set threshold ratio */ |
| 875 | if ((1 << mask_position) & i) { |
| 876 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( |
| 877 | condition, 0.0); |
| 878 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 879 | loop_ret = 1; |
| 880 | goto loop_end; |
| 881 | } |
| 882 | threshold_ratio_set = true; |
| 883 | } |
| 884 | mask_position++; |
| 885 | |
| 886 | /* Set threshold byte */ |
| 887 | if ((1 << mask_position) & i) { |
| 888 | condition_status = lttng_condition_buffer_usage_set_threshold( |
| 889 | condition, 0); |
| 890 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 891 | loop_ret = 1; |
| 892 | goto loop_end; |
| 893 | } |
| 894 | threshold_byte_set = true; |
| 895 | } |
| 896 | mask_position++; |
| 897 | |
| 898 | /* Set domain type */ |
| 899 | if ((1 << mask_position) & i) { |
| 900 | condition_status = lttng_condition_buffer_usage_set_domain_type( |
| 901 | condition, LTTNG_DOMAIN_UST); |
| 902 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 903 | loop_ret = 1; |
| 904 | goto loop_end; |
| 905 | } |
| 906 | domain_type_set = true; |
| 907 | } |
| 908 | |
| 909 | /* Safety check */ |
| 910 | if (mask_position != test_vector_size -1) { |
| 911 | assert("Logic error for test vector generation"); |
| 912 | } |
| 913 | |
| 914 | loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s", |
| 915 | session_name_set ? "set" : "unset", |
| 916 | channel_name_set ? "set" : "unset", |
| 917 | threshold_ratio_set ? "set" : "unset", |
| 918 | threshold_byte_set ? "set" : "unset", |
| 919 | domain_type_set? "set" : "unset"); |
| 920 | if (!test_tuple_string || loop_ret < 0) { |
| 921 | loop_ret = 1; |
| 922 | goto loop_end; |
| 923 | } |
| 924 | |
| 925 | /* Create trigger */ |
| 926 | trigger = lttng_trigger_create(condition, action); |
| 927 | if (!trigger) { |
| 928 | loop_ret = 1; |
| 929 | goto loop_end; |
| 930 | } |
| 931 | |
| 932 | loop_ret = lttng_register_trigger(trigger); |
| 933 | |
| 934 | loop_end: |
| 935 | if (loop_ret == 1) { |
| 936 | fail("Setup error occurred for tuple: %s", test_tuple_string); |
| 937 | goto loop_cleanup; |
| 938 | } |
| 939 | |
| 940 | /* This combination happens three times */ |
| 941 | if (session_name_set && channel_name_set |
| 942 | && (threshold_ratio_set || threshold_byte_set) |
| 943 | && domain_type_set) { |
| 944 | ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string); |
| 945 | |
| 946 | /* |
| 947 | * Test that a trigger cannot be registered |
| 948 | * multiple time. |
| 949 | */ |
| 950 | loop_ret = lttng_register_trigger(trigger); |
| 951 | ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string); |
| 952 | |
| 953 | /* Test that a trigger can be unregistered */ |
| 954 | loop_ret = lttng_unregister_trigger(trigger); |
| 955 | ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string); |
| 956 | |
| 957 | /* |
| 958 | * Test that unregistration of a non-previously |
| 959 | * registered trigger fail. |
| 960 | */ |
| 961 | loop_ret = lttng_unregister_trigger(trigger); |
| 962 | ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registered trigger fails as expected: %s", test_tuple_string); |
| 963 | } else { |
| 964 | ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string); |
| 965 | } |
| 966 | |
| 967 | loop_cleanup: |
| 968 | free(test_tuple_string); |
| 969 | lttng_trigger_destroy(trigger); |
| 970 | lttng_condition_destroy(condition); |
| 971 | } |
| 972 | |
| 973 | end: |
| 974 | lttng_action_destroy(action); |
| 975 | } |
| 976 | |
| 977 | static |
| 978 | void wait_data_pending(const char *session_name) |
| 979 | { |
| 980 | int ret; |
| 981 | |
| 982 | do { |
| 983 | ret = lttng_data_pending(session_name); |
| 984 | assert(ret >= 0); |
| 985 | } while (ret != 0); |
| 986 | } |
| 987 | |
| 988 | static |
| 989 | int setup_buffer_usage_condition(struct lttng_condition *condition, |
| 990 | const char *condition_name, |
| 991 | const char *session_name, |
| 992 | const char *channel_name, |
| 993 | const enum lttng_domain_type domain_type) |
| 994 | { |
| 995 | enum lttng_condition_status condition_status; |
| 996 | int ret = 0; |
| 997 | |
| 998 | condition_status = lttng_condition_buffer_usage_set_session_name( |
| 999 | condition, session_name); |
| 1000 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 1001 | fail("Failed to set session name on creation of condition `%s`", |
| 1002 | condition_name); |
| 1003 | ret = -1; |
| 1004 | goto end; |
| 1005 | } |
| 1006 | |
| 1007 | condition_status = lttng_condition_buffer_usage_set_channel_name( |
| 1008 | condition, channel_name); |
| 1009 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 1010 | fail("Failed to set channel name on creation of condition `%s`", |
| 1011 | condition_name); |
| 1012 | ret = -1; |
| 1013 | goto end; |
| 1014 | } |
| 1015 | |
| 1016 | condition_status = lttng_condition_buffer_usage_set_domain_type( |
| 1017 | condition, domain_type); |
| 1018 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 1019 | fail("Failed to set domain type on creation of condition `%s`", |
| 1020 | condition_name); |
| 1021 | ret = -1; |
| 1022 | goto end; |
| 1023 | } |
| 1024 | |
| 1025 | end: |
| 1026 | return ret; |
| 1027 | } |
| 1028 | |
| 1029 | static |
| 1030 | void test_invalid_channel_subscription( |
| 1031 | const enum lttng_domain_type domain_type) |
| 1032 | { |
| 1033 | enum lttng_condition_status condition_status; |
| 1034 | enum lttng_notification_channel_status nc_status; |
| 1035 | struct lttng_condition *dummy_condition = NULL; |
| 1036 | struct lttng_condition *dummy_invalid_condition = NULL; |
| 1037 | struct lttng_notification_channel *notification_channel = NULL; |
| 1038 | int ret = 0; |
| 1039 | |
| 1040 | notification_channel = lttng_notification_channel_create( |
| 1041 | lttng_session_daemon_notification_endpoint); |
| 1042 | ok(notification_channel, "Notification channel object creation"); |
| 1043 | if (!notification_channel) { |
| 1044 | goto end; |
| 1045 | } |
| 1046 | |
| 1047 | /* |
| 1048 | * Create a dummy, empty (thus invalid) condition to test error paths. |
| 1049 | */ |
| 1050 | dummy_invalid_condition = lttng_condition_buffer_usage_low_create(); |
| 1051 | if (!dummy_invalid_condition) { |
| 1052 | fail("Setup error on condition creation"); |
| 1053 | goto end; |
| 1054 | } |
| 1055 | |
| 1056 | /* |
| 1057 | * Test subscription and unsubscription of an invalid condition to/from |
| 1058 | * a channel. |
| 1059 | */ |
| 1060 | nc_status = lttng_notification_channel_subscribe( |
| 1061 | notification_channel, dummy_invalid_condition); |
| 1062 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, |
| 1063 | "Subscribing to an invalid condition"); |
| 1064 | |
| 1065 | nc_status = lttng_notification_channel_unsubscribe( |
| 1066 | notification_channel, dummy_invalid_condition); |
| 1067 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, |
| 1068 | "Unsubscribing from an invalid condition"); |
| 1069 | |
| 1070 | /* Create a valid dummy condition with a ratio of 0.5 */ |
| 1071 | dummy_condition = lttng_condition_buffer_usage_low_create(); |
| 1072 | if (!dummy_condition) { |
| 1073 | fail("Setup error on dummy_condition creation"); |
| 1074 | goto end; |
| 1075 | } |
| 1076 | |
| 1077 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( |
| 1078 | dummy_condition, 0.5); |
| 1079 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 1080 | fail("Setup error on condition creation"); |
| 1081 | goto end; |
| 1082 | } |
| 1083 | |
| 1084 | ret = setup_buffer_usage_condition(dummy_condition, "dummy_condition", |
| 1085 | "dummy_session", "dummy_channel", domain_type); |
| 1086 | if (ret) { |
| 1087 | fail("Setup error on dummy condition creation"); |
| 1088 | goto end; |
| 1089 | } |
| 1090 | |
| 1091 | /* |
| 1092 | * Test subscription and unsubscription to/from a channel with invalid |
| 1093 | * parameters. |
| 1094 | */ |
| 1095 | nc_status = lttng_notification_channel_subscribe(NULL, NULL); |
| 1096 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, |
| 1097 | "Notification channel subscription is invalid: NULL, NULL"); |
| 1098 | |
| 1099 | nc_status = lttng_notification_channel_subscribe( |
| 1100 | notification_channel, NULL); |
| 1101 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, |
| 1102 | "Notification channel subscription is invalid: NON-NULL, NULL"); |
| 1103 | |
| 1104 | nc_status = lttng_notification_channel_subscribe(NULL, dummy_condition); |
| 1105 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, |
| 1106 | "Notification channel subscription is invalid: NULL, NON-NULL"); |
| 1107 | |
| 1108 | nc_status = lttng_notification_channel_unsubscribe( |
| 1109 | notification_channel, dummy_condition); |
| 1110 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION, |
| 1111 | "Unsubscribing from a valid unknown condition"); |
| 1112 | |
| 1113 | end: |
| 1114 | lttng_notification_channel_destroy(notification_channel); |
| 1115 | lttng_condition_destroy(dummy_invalid_condition); |
| 1116 | lttng_condition_destroy(dummy_condition); |
| 1117 | return; |
| 1118 | } |
| 1119 | |
| 1120 | enum buffer_usage_type { |
| 1121 | BUFFER_USAGE_TYPE_LOW, |
| 1122 | BUFFER_USAGE_TYPE_HIGH, |
| 1123 | }; |
| 1124 | |
| 1125 | static int register_buffer_usage_notify_trigger(const char *session_name, |
| 1126 | const char *channel_name, |
| 1127 | const enum lttng_domain_type domain_type, |
| 1128 | enum buffer_usage_type buffer_usage_type, |
| 1129 | double ratio, |
| 1130 | struct lttng_condition **condition, |
| 1131 | struct lttng_action **action, |
| 1132 | struct lttng_trigger **trigger) |
| 1133 | { |
| 1134 | enum lttng_condition_status condition_status; |
| 1135 | struct lttng_action *tmp_action = NULL; |
| 1136 | struct lttng_condition *tmp_condition = NULL; |
| 1137 | struct lttng_trigger *tmp_trigger = NULL; |
| 1138 | int ret = 0; |
| 1139 | |
| 1140 | /* Set-up */ |
| 1141 | tmp_action = lttng_action_notify_create(); |
| 1142 | if (!action) { |
| 1143 | fail("Setup error on action creation"); |
| 1144 | ret = -1; |
| 1145 | goto error; |
| 1146 | } |
| 1147 | |
| 1148 | if (buffer_usage_type == BUFFER_USAGE_TYPE_LOW) { |
| 1149 | tmp_condition = lttng_condition_buffer_usage_low_create(); |
| 1150 | } else { |
| 1151 | tmp_condition = lttng_condition_buffer_usage_high_create(); |
| 1152 | } |
| 1153 | |
| 1154 | if (!tmp_condition) { |
| 1155 | fail("Setup error on condition creation"); |
| 1156 | ret = -1; |
| 1157 | goto error; |
| 1158 | } |
| 1159 | |
| 1160 | /* Set the buffer usage threashold */ |
| 1161 | condition_status = lttng_condition_buffer_usage_set_threshold_ratio( |
| 1162 | tmp_condition, ratio); |
| 1163 | if (condition_status != LTTNG_CONDITION_STATUS_OK) { |
| 1164 | fail("Setup error on condition creation"); |
| 1165 | ret = -1; |
| 1166 | goto error; |
| 1167 | } |
| 1168 | |
| 1169 | ret = setup_buffer_usage_condition(tmp_condition, "condition_name", |
| 1170 | session_name, channel_name, domain_type); |
| 1171 | if (ret) { |
| 1172 | fail("Setup error on condition creation"); |
| 1173 | ret = -1; |
| 1174 | goto error; |
| 1175 | } |
| 1176 | |
| 1177 | /* Register the trigger for condition. */ |
| 1178 | tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action); |
| 1179 | if (!tmp_trigger) { |
| 1180 | fail("Setup error on trigger creation"); |
| 1181 | ret = -1; |
| 1182 | goto error; |
| 1183 | } |
| 1184 | |
| 1185 | ret = lttng_register_trigger(tmp_trigger); |
| 1186 | if (ret) { |
| 1187 | fail("Setup error on trigger registration"); |
| 1188 | ret = -1; |
| 1189 | goto error; |
| 1190 | } |
| 1191 | |
| 1192 | *condition = tmp_condition; |
| 1193 | *trigger = tmp_trigger; |
| 1194 | *action = tmp_action; |
| 1195 | goto end; |
| 1196 | |
| 1197 | error: |
| 1198 | lttng_action_destroy(tmp_action); |
| 1199 | lttng_condition_destroy(tmp_condition); |
| 1200 | lttng_trigger_destroy(tmp_trigger); |
| 1201 | |
| 1202 | end: |
| 1203 | return ret; |
| 1204 | } |
| 1205 | |
| 1206 | static void test_subscription_twice(const char *session_name, |
| 1207 | const char *channel_name, |
| 1208 | const enum lttng_domain_type domain_type) |
| 1209 | { |
| 1210 | int ret = 0; |
| 1211 | enum lttng_notification_channel_status nc_status; |
| 1212 | |
| 1213 | struct lttng_action *action = NULL; |
| 1214 | struct lttng_notification_channel *notification_channel = NULL; |
| 1215 | struct lttng_trigger *trigger = NULL; |
| 1216 | |
| 1217 | struct lttng_condition *condition = NULL; |
| 1218 | |
| 1219 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, |
| 1220 | domain_type, BUFFER_USAGE_TYPE_LOW, 0.99, &condition, |
| 1221 | &action, &trigger); |
| 1222 | if (ret) { |
| 1223 | fail("Setup error on trigger registration in %s()", |
| 1224 | __FUNCTION__); |
| 1225 | goto end; |
| 1226 | } |
| 1227 | |
| 1228 | /* Begin testing. */ |
| 1229 | notification_channel = lttng_notification_channel_create( |
| 1230 | lttng_session_daemon_notification_endpoint); |
| 1231 | ok(notification_channel, "Notification channel object creation"); |
| 1232 | if (!notification_channel) { |
| 1233 | goto end; |
| 1234 | } |
| 1235 | |
| 1236 | /* Subscribe a valid condition. */ |
| 1237 | nc_status = lttng_notification_channel_subscribe( |
| 1238 | notification_channel, condition); |
| 1239 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1240 | "Subscribe to condition"); |
| 1241 | |
| 1242 | /* Subscribing again should fail. */ |
| 1243 | nc_status = lttng_notification_channel_subscribe( |
| 1244 | notification_channel, condition); |
| 1245 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, |
| 1246 | "Subscribe to a condition for which subscription was already done"); |
| 1247 | |
| 1248 | end: |
| 1249 | ret = lttng_unregister_trigger(trigger); |
| 1250 | if (ret) { |
| 1251 | fail("Failed to unregister trigger in %s()", __FUNCTION__); |
| 1252 | } |
| 1253 | |
| 1254 | lttng_trigger_destroy(trigger); |
| 1255 | lttng_notification_channel_destroy(notification_channel); |
| 1256 | lttng_action_destroy(action); |
| 1257 | lttng_condition_destroy(condition); |
| 1258 | } |
| 1259 | |
| 1260 | static void test_buffer_usage_notification_channel(const char *session_name, |
| 1261 | const char *channel_name, |
| 1262 | const enum lttng_domain_type domain_type, |
| 1263 | const char **argv) |
| 1264 | { |
| 1265 | int ret = 0; |
| 1266 | enum lttng_notification_channel_status nc_status; |
| 1267 | |
| 1268 | struct lttng_action *low_action = NULL; |
| 1269 | struct lttng_action *high_action = NULL; |
| 1270 | struct lttng_notification *notification = NULL; |
| 1271 | struct lttng_notification_channel *notification_channel = NULL; |
| 1272 | struct lttng_trigger *low_trigger = NULL; |
| 1273 | struct lttng_trigger *high_trigger = NULL; |
| 1274 | |
| 1275 | struct lttng_condition *low_condition = NULL; |
| 1276 | struct lttng_condition *high_condition = NULL; |
| 1277 | |
| 1278 | const double low_ratio = 0.0; |
| 1279 | const double high_ratio = 0.90; |
| 1280 | |
| 1281 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, |
| 1282 | domain_type, BUFFER_USAGE_TYPE_LOW, low_ratio, |
| 1283 | &low_condition, &low_action, &low_trigger); |
| 1284 | if (ret) { |
| 1285 | fail("Setup error on low trigger registration"); |
| 1286 | goto end; |
| 1287 | } |
| 1288 | |
| 1289 | ret = register_buffer_usage_notify_trigger(session_name, channel_name, |
| 1290 | domain_type, BUFFER_USAGE_TYPE_HIGH, high_ratio, |
| 1291 | &high_condition, &high_action, &high_trigger); |
| 1292 | if (ret) { |
| 1293 | fail("Setup error on high trigger registration"); |
| 1294 | goto end; |
| 1295 | } |
| 1296 | |
| 1297 | /* Begin testing */ |
| 1298 | notification_channel = lttng_notification_channel_create( |
| 1299 | lttng_session_daemon_notification_endpoint); |
| 1300 | ok(notification_channel, "Notification channel object creation"); |
| 1301 | if (!notification_channel) { |
| 1302 | goto end; |
| 1303 | } |
| 1304 | |
| 1305 | /* Subscribe a valid low condition */ |
| 1306 | nc_status = lttng_notification_channel_subscribe( |
| 1307 | notification_channel, low_condition); |
| 1308 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1309 | "Subscribe to low condition"); |
| 1310 | |
| 1311 | /* Subscribe a valid high condition */ |
| 1312 | nc_status = lttng_notification_channel_subscribe( |
| 1313 | notification_channel, high_condition); |
| 1314 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1315 | "Subscribe to high condition"); |
| 1316 | |
| 1317 | resume_application(); |
| 1318 | |
| 1319 | /* Wait for notification to happen */ |
| 1320 | stop_consumer(argv); |
| 1321 | lttng_start_tracing(session_name); |
| 1322 | |
| 1323 | /* Wait for high notification */ |
| 1324 | do { |
| 1325 | nc_status = lttng_notification_channel_get_next_notification( |
| 1326 | notification_channel, ¬ification); |
| 1327 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
| 1328 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
| 1329 | lttng_condition_get_type(lttng_notification_get_condition( |
| 1330 | notification)) == |
| 1331 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, |
| 1332 | "High notification received after intermediary communication"); |
| 1333 | lttng_notification_destroy(notification); |
| 1334 | notification = NULL; |
| 1335 | |
| 1336 | suspend_application(); |
| 1337 | lttng_stop_tracing_no_wait(session_name); |
| 1338 | resume_consumer(argv); |
| 1339 | wait_data_pending(session_name); |
| 1340 | |
| 1341 | /* |
| 1342 | * Test that communication still work even if there is notification |
| 1343 | * waiting for consumption. |
| 1344 | */ |
| 1345 | |
| 1346 | nc_status = lttng_notification_channel_unsubscribe( |
| 1347 | notification_channel, low_condition); |
| 1348 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1349 | "Unsubscribe with pending notification"); |
| 1350 | |
| 1351 | nc_status = lttng_notification_channel_subscribe( |
| 1352 | notification_channel, low_condition); |
| 1353 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1354 | "Subscribe with pending notification"); |
| 1355 | |
| 1356 | do { |
| 1357 | nc_status = lttng_notification_channel_get_next_notification( |
| 1358 | notification_channel, ¬ification); |
| 1359 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
| 1360 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
| 1361 | lttng_condition_get_type(lttng_notification_get_condition( |
| 1362 | notification)) == |
| 1363 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, |
| 1364 | "Low notification received after intermediary communication"); |
| 1365 | lttng_notification_destroy(notification); |
| 1366 | notification = NULL; |
| 1367 | |
| 1368 | /* Stop consumer to force a high notification */ |
| 1369 | stop_consumer(argv); |
| 1370 | resume_application(); |
| 1371 | lttng_start_tracing(session_name); |
| 1372 | |
| 1373 | do { |
| 1374 | nc_status = lttng_notification_channel_get_next_notification( |
| 1375 | notification_channel, ¬ification); |
| 1376 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
| 1377 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
| 1378 | lttng_condition_get_type(lttng_notification_get_condition( |
| 1379 | notification)) == |
| 1380 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, |
| 1381 | "High notification received after intermediary communication"); |
| 1382 | lttng_notification_destroy(notification); |
| 1383 | notification = NULL; |
| 1384 | |
| 1385 | suspend_application(); |
| 1386 | lttng_stop_tracing_no_wait(session_name); |
| 1387 | resume_consumer(argv); |
| 1388 | wait_data_pending(session_name); |
| 1389 | |
| 1390 | do { |
| 1391 | nc_status = lttng_notification_channel_get_next_notification( |
| 1392 | notification_channel, ¬ification); |
| 1393 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
| 1394 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
| 1395 | lttng_condition_get_type(lttng_notification_get_condition( |
| 1396 | notification)) == |
| 1397 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, |
| 1398 | "Low notification received after re-subscription"); |
| 1399 | lttng_notification_destroy(notification); |
| 1400 | notification = NULL; |
| 1401 | |
| 1402 | stop_consumer(argv); |
| 1403 | resume_application(); |
| 1404 | /* Stop consumer to force a high notification */ |
| 1405 | lttng_start_tracing(session_name); |
| 1406 | |
| 1407 | do { |
| 1408 | nc_status = lttng_notification_channel_get_next_notification( |
| 1409 | notification_channel, ¬ification); |
| 1410 | } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); |
| 1411 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && |
| 1412 | lttng_condition_get_type(lttng_notification_get_condition( |
| 1413 | notification)) == |
| 1414 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, |
| 1415 | "High notification"); |
| 1416 | lttng_notification_destroy(notification); |
| 1417 | notification = NULL; |
| 1418 | |
| 1419 | suspend_application(); |
| 1420 | |
| 1421 | /* Resume consumer to allow event consumption */ |
| 1422 | lttng_stop_tracing_no_wait(session_name); |
| 1423 | resume_consumer(argv); |
| 1424 | wait_data_pending(session_name); |
| 1425 | |
| 1426 | nc_status = lttng_notification_channel_unsubscribe( |
| 1427 | notification_channel, low_condition); |
| 1428 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1429 | "Unsubscribe low condition with pending notification"); |
| 1430 | |
| 1431 | nc_status = lttng_notification_channel_unsubscribe( |
| 1432 | notification_channel, high_condition); |
| 1433 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1434 | "Unsubscribe high condition with pending notification"); |
| 1435 | |
| 1436 | end: |
| 1437 | lttng_notification_channel_destroy(notification_channel); |
| 1438 | lttng_trigger_destroy(low_trigger); |
| 1439 | lttng_trigger_destroy(high_trigger); |
| 1440 | lttng_action_destroy(low_action); |
| 1441 | lttng_action_destroy(high_action); |
| 1442 | lttng_condition_destroy(low_condition); |
| 1443 | lttng_condition_destroy(high_condition); |
| 1444 | } |
| 1445 | |
| 1446 | static void create_tracepoint_event_rule_trigger(const char *event_pattern, |
| 1447 | const char *trigger_name, |
| 1448 | const char *filter, |
| 1449 | unsigned int exclusion_count, |
| 1450 | const char * const *exclusions, |
| 1451 | enum lttng_domain_type domain_type, |
| 1452 | condition_capture_desc_cb capture_desc_cb, |
| 1453 | struct lttng_condition **condition, |
| 1454 | struct lttng_trigger **trigger) |
| 1455 | { |
| 1456 | enum lttng_event_rule_status event_rule_status; |
| 1457 | struct lttng_action *tmp_action = NULL; |
| 1458 | struct lttng_event_rule *event_rule = NULL; |
| 1459 | struct lttng_condition *tmp_condition = NULL; |
| 1460 | struct lttng_trigger *tmp_trigger = NULL; |
| 1461 | int ret; |
| 1462 | enum lttng_error_code ret_code; |
| 1463 | |
| 1464 | assert(event_pattern); |
| 1465 | assert(trigger_name); |
| 1466 | assert(condition); |
| 1467 | assert(trigger); |
| 1468 | |
| 1469 | event_rule = lttng_event_rule_tracepoint_create(domain_type); |
| 1470 | ok(event_rule, "Tracepoint event rule object creation"); |
| 1471 | |
| 1472 | event_rule_status = lttng_event_rule_tracepoint_set_pattern( |
| 1473 | event_rule, event_pattern); |
| 1474 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 1475 | "Setting tracepoint event rule pattern: '%s'", |
| 1476 | event_pattern); |
| 1477 | |
| 1478 | if (filter) { |
| 1479 | event_rule_status = lttng_event_rule_tracepoint_set_filter( |
| 1480 | event_rule, filter); |
| 1481 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 1482 | "Setting tracepoint event rule filter: '%s'", |
| 1483 | filter); |
| 1484 | } |
| 1485 | |
| 1486 | if (exclusions) { |
| 1487 | int i; |
| 1488 | bool success = true; |
| 1489 | |
| 1490 | assert(domain_type == LTTNG_DOMAIN_UST); |
| 1491 | assert(exclusion_count > 0); |
| 1492 | |
| 1493 | for (i = 0; i < exclusion_count; i++) { |
| 1494 | event_rule_status = |
| 1495 | lttng_event_rule_tracepoint_add_exclusion( |
| 1496 | event_rule, |
| 1497 | exclusions[i]); |
| 1498 | if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { |
| 1499 | fail("Setting tracepoint event rule exclusion '%s'.", |
| 1500 | exclusions[i]); |
| 1501 | success = false; |
| 1502 | } |
| 1503 | } |
| 1504 | |
| 1505 | ok(success, "Setting tracepoint event rule exclusions"); |
| 1506 | } |
| 1507 | |
| 1508 | tmp_condition = lttng_condition_event_rule_matches_create(event_rule); |
| 1509 | ok(tmp_condition, "Condition event rule object creation"); |
| 1510 | |
| 1511 | if (capture_desc_cb) { |
| 1512 | ret = capture_desc_cb(tmp_condition); |
| 1513 | if (ret) { |
| 1514 | fail("Failed to generate the condition capture descriptor"); |
| 1515 | abort(); |
| 1516 | } |
| 1517 | } |
| 1518 | |
| 1519 | tmp_action = lttng_action_notify_create(); |
| 1520 | ok(tmp_action, "Action event rule object creation"); |
| 1521 | |
| 1522 | tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action); |
| 1523 | ok(tmp_trigger, "Trigger object creation %s", trigger_name); |
| 1524 | |
| 1525 | ret_code = lttng_register_trigger_with_name(tmp_trigger, trigger_name); |
| 1526 | ok(ret_code == LTTNG_OK, "Trigger registration %s", trigger_name); |
| 1527 | |
| 1528 | lttng_event_rule_destroy(event_rule); |
| 1529 | |
| 1530 | *condition = tmp_condition; |
| 1531 | *trigger = tmp_trigger; |
| 1532 | |
| 1533 | return; |
| 1534 | } |
| 1535 | |
| 1536 | static struct lttng_notification *get_next_notification( |
| 1537 | struct lttng_notification_channel *notification_channel) |
| 1538 | { |
| 1539 | struct lttng_notification *local_notification = NULL; |
| 1540 | enum lttng_notification_channel_status status; |
| 1541 | |
| 1542 | /* Receive the next notification. */ |
| 1543 | status = lttng_notification_channel_get_next_notification( |
| 1544 | notification_channel, &local_notification); |
| 1545 | |
| 1546 | switch (status) { |
| 1547 | case LTTNG_NOTIFICATION_CHANNEL_STATUS_OK: |
| 1548 | break; |
| 1549 | case LTTNG_NOTIFICATION_CHANNEL_STATUS_NOTIFICATIONS_DROPPED: |
| 1550 | fail("Notifications have been dropped"); |
| 1551 | local_notification = NULL; |
| 1552 | break; |
| 1553 | default: |
| 1554 | /* Unhandled conditions / errors. */ |
| 1555 | fail("Failed to get next notification (unknown notification channel status): status = %d", |
| 1556 | (int) status); |
| 1557 | local_notification = NULL; |
| 1558 | break; |
| 1559 | } |
| 1560 | |
| 1561 | return local_notification; |
| 1562 | } |
| 1563 | |
| 1564 | static void test_tracepoint_event_rule_notification( |
| 1565 | enum lttng_domain_type domain_type) |
| 1566 | { |
| 1567 | int i; |
| 1568 | int ret; |
| 1569 | const int notification_count = 3; |
| 1570 | enum lttng_notification_channel_status nc_status; |
| 1571 | struct lttng_action *action = NULL; |
| 1572 | struct lttng_condition *condition = NULL; |
| 1573 | struct lttng_notification_channel *notification_channel = NULL; |
| 1574 | struct lttng_trigger *trigger = NULL; |
| 1575 | const char * const trigger_name = "my_precious"; |
| 1576 | const char *pattern; |
| 1577 | |
| 1578 | if (domain_type == LTTNG_DOMAIN_UST) { |
| 1579 | pattern = "tp:tptest"; |
| 1580 | } else { |
| 1581 | pattern = "lttng_test_filter_event"; |
| 1582 | } |
| 1583 | |
| 1584 | create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 0, |
| 1585 | NULL, domain_type, NULL, &condition, &trigger); |
| 1586 | |
| 1587 | notification_channel = lttng_notification_channel_create( |
| 1588 | lttng_session_daemon_notification_endpoint); |
| 1589 | ok(notification_channel, "Notification channel object creation"); |
| 1590 | |
| 1591 | nc_status = lttng_notification_channel_subscribe( |
| 1592 | notification_channel, condition); |
| 1593 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1594 | "Subscribe to tracepoint event rule condition"); |
| 1595 | |
| 1596 | resume_application(); |
| 1597 | |
| 1598 | /* Get notifications. */ |
| 1599 | for (i = 0; i < notification_count; i++) { |
| 1600 | struct lttng_notification *notification = get_next_notification( |
| 1601 | notification_channel); |
| 1602 | |
| 1603 | ok(notification, "Received notification (%d/%d)", i + 1, |
| 1604 | notification_count); |
| 1605 | |
| 1606 | /* Error. */ |
| 1607 | if (notification == NULL) { |
| 1608 | goto end; |
| 1609 | } |
| 1610 | |
| 1611 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 1612 | lttng_notification_destroy(notification); |
| 1613 | if (ret) { |
| 1614 | goto end; |
| 1615 | } |
| 1616 | } |
| 1617 | |
| 1618 | end: |
| 1619 | suspend_application(); |
| 1620 | lttng_notification_channel_destroy(notification_channel); |
| 1621 | lttng_unregister_trigger(trigger); |
| 1622 | lttng_trigger_destroy(trigger); |
| 1623 | lttng_action_destroy(action); |
| 1624 | lttng_condition_destroy(condition); |
| 1625 | return; |
| 1626 | } |
| 1627 | |
| 1628 | static void test_tracepoint_event_rule_notification_filter( |
| 1629 | enum lttng_domain_type domain_type) |
| 1630 | { |
| 1631 | int i; |
| 1632 | const int notification_count = 3; |
| 1633 | enum lttng_notification_channel_status nc_status; |
| 1634 | struct lttng_condition *ctrl_condition = NULL, *condition = NULL; |
| 1635 | struct lttng_notification_channel *notification_channel = NULL; |
| 1636 | struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL; |
| 1637 | const char * const ctrl_trigger_name = "control_trigger"; |
| 1638 | const char * const trigger_name = "trigger"; |
| 1639 | const char *pattern; |
| 1640 | int ctrl_count = 0, count = 0; |
| 1641 | |
| 1642 | if (domain_type == LTTNG_DOMAIN_UST) { |
| 1643 | pattern = "tp:tptest"; |
| 1644 | } else { |
| 1645 | pattern = "lttng_test_filter_event"; |
| 1646 | } |
| 1647 | |
| 1648 | notification_channel = lttng_notification_channel_create( |
| 1649 | lttng_session_daemon_notification_endpoint); |
| 1650 | ok(notification_channel, "Notification channel object creation"); |
| 1651 | |
| 1652 | create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL, |
| 1653 | 0, NULL, domain_type, NULL, &ctrl_condition, &ctrl_trigger); |
| 1654 | |
| 1655 | nc_status = lttng_notification_channel_subscribe( |
| 1656 | notification_channel, ctrl_condition); |
| 1657 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1658 | "Subscribe to tracepoint event rule condition"); |
| 1659 | |
| 1660 | /* |
| 1661 | * Attach a filter expression to get notification only if the |
| 1662 | * `intfield` is even. |
| 1663 | */ |
| 1664 | create_tracepoint_event_rule_trigger(pattern, trigger_name, |
| 1665 | "(intfield & 1) == 0", 0, NULL, domain_type, NULL, &condition, |
| 1666 | &trigger); |
| 1667 | |
| 1668 | nc_status = lttng_notification_channel_subscribe( |
| 1669 | notification_channel, condition); |
| 1670 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1671 | "Subscribe to tracepoint event rule condition"); |
| 1672 | |
| 1673 | /* |
| 1674 | * We registered 2 notifications triggers, one with a filter and one |
| 1675 | * without (control). The one with a filter will only fired when the |
| 1676 | * `intfield` is a multiple of 2. We should get two times as many |
| 1677 | * control notifications as filter notifications. |
| 1678 | */ |
| 1679 | resume_application(); |
| 1680 | |
| 1681 | /* |
| 1682 | * Get 3 notifications. We should get 1 for the regular trigger (with |
| 1683 | * the filter) and 2 from the control trigger. This works whatever |
| 1684 | * the order we receive the notifications. |
| 1685 | */ |
| 1686 | for (i = 0; i < notification_count; i++) { |
| 1687 | const char *name; |
| 1688 | struct lttng_notification *notification = get_next_notification( |
| 1689 | notification_channel); |
| 1690 | |
| 1691 | ok(notification, "Received notification (%d/%d)", i + 1, |
| 1692 | notification_count); |
| 1693 | |
| 1694 | /* Error. */ |
| 1695 | if (notification == NULL) { |
| 1696 | goto end; |
| 1697 | } |
| 1698 | |
| 1699 | name = get_notification_trigger_name(notification); |
| 1700 | if (name == NULL) { |
| 1701 | lttng_notification_destroy(notification); |
| 1702 | goto end; |
| 1703 | } |
| 1704 | |
| 1705 | if (strcmp(ctrl_trigger_name, name) == 0) { |
| 1706 | ctrl_count++; |
| 1707 | } else if (strcmp(trigger_name, name) == 0) { |
| 1708 | count++; |
| 1709 | } |
| 1710 | |
| 1711 | lttng_notification_destroy(notification); |
| 1712 | } |
| 1713 | |
| 1714 | ok(ctrl_count / 2 == count, |
| 1715 | "Get twice as many control notif as of regular notif"); |
| 1716 | |
| 1717 | end: |
| 1718 | suspend_application(); |
| 1719 | |
| 1720 | lttng_unregister_trigger(trigger); |
| 1721 | lttng_unregister_trigger(ctrl_trigger); |
| 1722 | lttng_notification_channel_destroy(notification_channel); |
| 1723 | lttng_trigger_destroy(trigger); |
| 1724 | lttng_trigger_destroy(ctrl_trigger); |
| 1725 | lttng_condition_destroy(condition); |
| 1726 | lttng_condition_destroy(ctrl_condition); |
| 1727 | } |
| 1728 | |
| 1729 | static void test_tracepoint_event_rule_notification_exclusion( |
| 1730 | enum lttng_domain_type domain_type) |
| 1731 | { |
| 1732 | enum lttng_notification_channel_status nc_status; |
| 1733 | struct lttng_condition *ctrl_condition = NULL, *condition = NULL; |
| 1734 | struct lttng_notification_channel *notification_channel = NULL; |
| 1735 | struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL; |
| 1736 | int ctrl_count = 0, count = 0, i; |
| 1737 | const int notification_count = 6; |
| 1738 | const char * const ctrl_trigger_name = "control_exclusion_trigger"; |
| 1739 | const char * const trigger_name = "exclusion_trigger"; |
| 1740 | const char * const pattern = "tp:tptest*"; |
| 1741 | const char * const exclusions[] = { |
| 1742 | "tp:tptest2", |
| 1743 | "tp:tptest3", |
| 1744 | "tp:tptest4", |
| 1745 | "tp:tptest5" |
| 1746 | }; |
| 1747 | |
| 1748 | notification_channel = lttng_notification_channel_create( |
| 1749 | lttng_session_daemon_notification_endpoint); |
| 1750 | ok(notification_channel, "Notification channel object creation"); |
| 1751 | |
| 1752 | create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL, |
| 1753 | 0, NULL, domain_type, NULL, &ctrl_condition, |
| 1754 | &ctrl_trigger); |
| 1755 | |
| 1756 | nc_status = lttng_notification_channel_subscribe( |
| 1757 | notification_channel, ctrl_condition); |
| 1758 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1759 | "Subscribe to tracepoint event rule condition"); |
| 1760 | |
| 1761 | create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 4, |
| 1762 | exclusions, domain_type, NULL, &condition, |
| 1763 | &trigger); |
| 1764 | |
| 1765 | nc_status = lttng_notification_channel_subscribe( |
| 1766 | notification_channel, condition); |
| 1767 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1768 | "Subscribe to tracepoint event rule condition"); |
| 1769 | |
| 1770 | /* |
| 1771 | * We registered 2 notifications triggers, one with an exclusion and |
| 1772 | * one without (control). |
| 1773 | * - The trigger with an exclusion will fire once every iteration. |
| 1774 | * - The trigger without an exclusion will fire 5 times every |
| 1775 | * iteration. |
| 1776 | * |
| 1777 | * We should get 5 times as many notifications from the control |
| 1778 | * trigger. |
| 1779 | */ |
| 1780 | resume_application(); |
| 1781 | |
| 1782 | /* |
| 1783 | * Get 6 notifications. We should get 1 for the regular trigger (with |
| 1784 | * the exclusion) and 5 from the control trigger. This works whatever |
| 1785 | * the order we receive the notifications. |
| 1786 | */ |
| 1787 | for (i = 0; i < notification_count; i++) { |
| 1788 | const char *name; |
| 1789 | struct lttng_notification *notification = get_next_notification( |
| 1790 | notification_channel); |
| 1791 | |
| 1792 | ok(notification, "Received notification (%d/%d)", i + 1, |
| 1793 | notification_count); |
| 1794 | |
| 1795 | /* Error. */ |
| 1796 | if (notification == NULL) { |
| 1797 | goto end; |
| 1798 | } |
| 1799 | |
| 1800 | name = get_notification_trigger_name(notification); |
| 1801 | if (name == NULL) { |
| 1802 | lttng_notification_destroy(notification); |
| 1803 | goto end; |
| 1804 | } |
| 1805 | |
| 1806 | if (strcmp(ctrl_trigger_name, name) == 0) { |
| 1807 | ctrl_count++; |
| 1808 | } else if (strcmp(trigger_name, name) == 0) { |
| 1809 | count++; |
| 1810 | } |
| 1811 | |
| 1812 | lttng_notification_destroy(notification); |
| 1813 | } |
| 1814 | |
| 1815 | ok(ctrl_count / 5 == count, |
| 1816 | "Got 5 times as many control notif as of regular notif"); |
| 1817 | |
| 1818 | end: |
| 1819 | suspend_application(); |
| 1820 | |
| 1821 | lttng_unregister_trigger(trigger); |
| 1822 | lttng_unregister_trigger(ctrl_trigger); |
| 1823 | lttng_notification_channel_destroy(notification_channel); |
| 1824 | lttng_trigger_destroy(trigger); |
| 1825 | lttng_trigger_destroy(ctrl_trigger); |
| 1826 | lttng_condition_destroy(condition); |
| 1827 | lttng_condition_destroy(ctrl_condition); |
| 1828 | return; |
| 1829 | } |
| 1830 | |
| 1831 | static void test_kprobe_event_rule_notification( |
| 1832 | enum lttng_domain_type domain_type) |
| 1833 | { |
| 1834 | int i, ret; |
| 1835 | enum lttng_error_code ret_code; |
| 1836 | const int notification_count = 3; |
| 1837 | enum lttng_notification_channel_status nc_status; |
| 1838 | enum lttng_event_rule_status event_rule_status; |
| 1839 | struct lttng_notification_channel *notification_channel = NULL; |
| 1840 | struct lttng_condition *condition = NULL; |
| 1841 | struct lttng_kernel_probe_location *location = NULL; |
| 1842 | struct lttng_event_rule *event_rule = NULL; |
| 1843 | struct lttng_action *action = NULL; |
| 1844 | struct lttng_trigger *trigger = NULL; |
| 1845 | const char * const trigger_name = "kprobe_trigger"; |
| 1846 | const char * const symbol_name = "lttng_test_filter_event_write"; |
| 1847 | |
| 1848 | action = lttng_action_notify_create(); |
| 1849 | if (!action) { |
| 1850 | fail("Failed to create notify action"); |
| 1851 | goto end; |
| 1852 | } |
| 1853 | |
| 1854 | location = lttng_kernel_probe_location_symbol_create(symbol_name, 0); |
| 1855 | if (!location) { |
| 1856 | fail("Failed to create kernel probe location"); |
| 1857 | goto end; |
| 1858 | } |
| 1859 | |
| 1860 | notification_channel = lttng_notification_channel_create( |
| 1861 | lttng_session_daemon_notification_endpoint); |
| 1862 | ok(notification_channel, "Notification channel object creation"); |
| 1863 | |
| 1864 | event_rule = lttng_event_rule_kernel_probe_create(location); |
| 1865 | ok(event_rule, "kprobe event rule object creation"); |
| 1866 | |
| 1867 | event_rule_status = lttng_event_rule_kernel_probe_set_event_name( |
| 1868 | event_rule, trigger_name); |
| 1869 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 1870 | "Setting kprobe event rule name: '%s'", trigger_name); |
| 1871 | |
| 1872 | condition = lttng_condition_event_rule_matches_create(event_rule); |
| 1873 | ok(condition, "Condition event rule object creation"); |
| 1874 | |
| 1875 | /* Register the trigger for condition. */ |
| 1876 | trigger = lttng_trigger_create(condition, action); |
| 1877 | if (!trigger) { |
| 1878 | fail("Failed to create trigger with kernel probe event rule condition and notify action"); |
| 1879 | goto end; |
| 1880 | } |
| 1881 | |
| 1882 | ret_code = lttng_register_trigger_with_name(trigger, trigger_name); |
| 1883 | if (ret_code != LTTNG_OK) { |
| 1884 | fail("Failed to register trigger with kernel probe event rule condition and notify action"); |
| 1885 | goto end; |
| 1886 | } |
| 1887 | |
| 1888 | nc_status = lttng_notification_channel_subscribe( |
| 1889 | notification_channel, condition); |
| 1890 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1891 | "Subscribe to tracepoint event rule condition"); |
| 1892 | |
| 1893 | resume_application(); |
| 1894 | |
| 1895 | for (i = 0; i < notification_count; i++) { |
| 1896 | struct lttng_notification *notification = get_next_notification( |
| 1897 | notification_channel); |
| 1898 | |
| 1899 | ok(notification, "Received notification (%d/%d)", i + 1, |
| 1900 | notification_count); |
| 1901 | |
| 1902 | /* Error. */ |
| 1903 | if (notification == NULL) { |
| 1904 | goto end; |
| 1905 | } |
| 1906 | |
| 1907 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 1908 | lttng_notification_destroy(notification); |
| 1909 | if (ret) { |
| 1910 | goto end; |
| 1911 | } |
| 1912 | } |
| 1913 | |
| 1914 | end: |
| 1915 | suspend_application(); |
| 1916 | lttng_notification_channel_destroy(notification_channel); |
| 1917 | lttng_unregister_trigger(trigger); |
| 1918 | lttng_trigger_destroy(trigger); |
| 1919 | lttng_action_destroy(action); |
| 1920 | lttng_event_rule_destroy(event_rule); |
| 1921 | lttng_condition_destroy(condition); |
| 1922 | lttng_kernel_probe_location_destroy(location); |
| 1923 | return; |
| 1924 | } |
| 1925 | |
| 1926 | static void test_uprobe_event_rule_notification( |
| 1927 | enum lttng_domain_type domain_type, |
| 1928 | const char *testapp_path, |
| 1929 | const char *test_symbol_name) |
| 1930 | { |
| 1931 | int i, ret; |
| 1932 | enum lttng_error_code ret_code; |
| 1933 | const int notification_count = 3; |
| 1934 | enum lttng_notification_channel_status nc_status; |
| 1935 | enum lttng_event_rule_status event_rule_status; |
| 1936 | struct lttng_notification_channel *notification_channel = NULL; |
| 1937 | struct lttng_userspace_probe_location *probe_location = NULL; |
| 1938 | struct lttng_userspace_probe_location_lookup_method *lookup_method = |
| 1939 | NULL; |
| 1940 | struct lttng_condition *condition = NULL; |
| 1941 | struct lttng_event_rule *event_rule = NULL; |
| 1942 | struct lttng_action *action = NULL; |
| 1943 | struct lttng_trigger *trigger = NULL; |
| 1944 | const char * const trigger_name = "uprobe_trigger"; |
| 1945 | |
| 1946 | action = lttng_action_notify_create(); |
| 1947 | if (!action) { |
| 1948 | fail("Failed to create notify action"); |
| 1949 | goto end; |
| 1950 | } |
| 1951 | |
| 1952 | lookup_method = lttng_userspace_probe_location_lookup_method_function_elf_create(); |
| 1953 | if (!lookup_method) { |
| 1954 | fail("Setup error on userspace probe lookup method creation"); |
| 1955 | goto end; |
| 1956 | } |
| 1957 | |
| 1958 | probe_location = lttng_userspace_probe_location_function_create( |
| 1959 | testapp_path, test_symbol_name, lookup_method); |
| 1960 | if (!probe_location) { |
| 1961 | fail("Failed to create userspace probe location"); |
| 1962 | goto end; |
| 1963 | } |
| 1964 | |
| 1965 | notification_channel = lttng_notification_channel_create( |
| 1966 | lttng_session_daemon_notification_endpoint); |
| 1967 | ok(notification_channel, "Notification channel object creation"); |
| 1968 | |
| 1969 | event_rule = lttng_event_rule_userspace_probe_create(probe_location); |
| 1970 | ok(event_rule, "kprobe event rule object creation"); |
| 1971 | |
| 1972 | event_rule_status = lttng_event_rule_userspace_probe_set_event_name( |
| 1973 | event_rule, trigger_name); |
| 1974 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 1975 | "Setting uprobe event rule name: '%s'", trigger_name); |
| 1976 | |
| 1977 | condition = lttng_condition_event_rule_matches_create(event_rule); |
| 1978 | ok(condition, "Condition event rule object creation"); |
| 1979 | |
| 1980 | /* Register the trigger for condition. */ |
| 1981 | trigger = lttng_trigger_create(condition, action); |
| 1982 | if (!trigger) { |
| 1983 | fail("Failed to create trigger with userspace probe event rule condition and notify action"); |
| 1984 | goto end; |
| 1985 | } |
| 1986 | |
| 1987 | ret_code = lttng_register_trigger_with_name(trigger, trigger_name); |
| 1988 | if (ret_code != LTTNG_OK) { |
| 1989 | fail("Failed to register trigger with userspace probe event rule condition and notify action"); |
| 1990 | goto end; |
| 1991 | } |
| 1992 | |
| 1993 | nc_status = lttng_notification_channel_subscribe( |
| 1994 | notification_channel, condition); |
| 1995 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 1996 | "Subscribe to tracepoint event rule condition"); |
| 1997 | |
| 1998 | resume_application(); |
| 1999 | |
| 2000 | for (i = 0; i < 3; i++) { |
| 2001 | struct lttng_notification *notification = get_next_notification( |
| 2002 | notification_channel); |
| 2003 | |
| 2004 | ok(notification, "Received notification (%d/%d)", i + 1, |
| 2005 | notification_count); |
| 2006 | |
| 2007 | /* Error. */ |
| 2008 | if (notification == NULL) { |
| 2009 | goto end; |
| 2010 | } |
| 2011 | |
| 2012 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 2013 | lttng_notification_destroy(notification); |
| 2014 | if (ret) { |
| 2015 | goto end; |
| 2016 | } |
| 2017 | } |
| 2018 | end: |
| 2019 | suspend_application(); |
| 2020 | |
| 2021 | lttng_notification_channel_destroy(notification_channel); |
| 2022 | lttng_unregister_trigger(trigger); |
| 2023 | lttng_trigger_destroy(trigger); |
| 2024 | lttng_action_destroy(action); |
| 2025 | lttng_userspace_probe_location_destroy(probe_location); |
| 2026 | lttng_event_rule_destroy(event_rule); |
| 2027 | lttng_condition_destroy(condition); |
| 2028 | return; |
| 2029 | } |
| 2030 | |
| 2031 | static void test_syscall_event_rule_notification( |
| 2032 | enum lttng_domain_type domain_type) |
| 2033 | { |
| 2034 | int i, ret; |
| 2035 | enum lttng_error_code ret_code; |
| 2036 | const int notification_count = 3; |
| 2037 | enum lttng_notification_channel_status nc_status; |
| 2038 | enum lttng_event_rule_status event_rule_status; |
| 2039 | struct lttng_notification_channel *notification_channel = NULL; |
| 2040 | struct lttng_condition *condition = NULL; |
| 2041 | struct lttng_event_rule *event_rule = NULL; |
| 2042 | struct lttng_action *action = NULL; |
| 2043 | struct lttng_trigger *trigger = NULL; |
| 2044 | const char * const trigger_name = "syscall_trigger"; |
| 2045 | const char * const syscall_name = "openat"; |
| 2046 | |
| 2047 | action = lttng_action_notify_create(); |
| 2048 | if (!action) { |
| 2049 | fail("Failed to create notify action"); |
| 2050 | goto end; |
| 2051 | } |
| 2052 | |
| 2053 | notification_channel = lttng_notification_channel_create( |
| 2054 | lttng_session_daemon_notification_endpoint); |
| 2055 | ok(notification_channel, "Notification channel object creation"); |
| 2056 | |
| 2057 | event_rule = lttng_event_rule_syscall_create(LTTNG_EVENT_RULE_SYSCALL_EMISSION_SITE_ENTRY); |
| 2058 | ok(event_rule, "syscall event rule object creation"); |
| 2059 | |
| 2060 | event_rule_status = lttng_event_rule_syscall_set_pattern( |
| 2061 | event_rule, syscall_name); |
| 2062 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 2063 | "Setting syscall event rule pattern: '%s'", syscall_name); |
| 2064 | |
| 2065 | condition = lttng_condition_event_rule_matches_create(event_rule); |
| 2066 | ok(condition, "Condition syscall event rule object creation"); |
| 2067 | |
| 2068 | /* Register the trigger for condition. */ |
| 2069 | trigger = lttng_trigger_create(condition, action); |
| 2070 | if (!trigger) { |
| 2071 | fail("Failed to create trigger with syscall event rule condition and notify action"); |
| 2072 | goto end; |
| 2073 | } |
| 2074 | |
| 2075 | ret_code = lttng_register_trigger_with_name(trigger, trigger_name); |
| 2076 | if (ret_code != LTTNG_OK) { |
| 2077 | fail("Failed to register trigger with syscall event rule condition and notify action"); |
| 2078 | goto end; |
| 2079 | } |
| 2080 | |
| 2081 | nc_status = lttng_notification_channel_subscribe( |
| 2082 | notification_channel, condition); |
| 2083 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 2084 | "Subscribe to tracepoint event rule condition"); |
| 2085 | |
| 2086 | resume_application(); |
| 2087 | |
| 2088 | for (i = 0; i < notification_count; i++) { |
| 2089 | struct lttng_notification *notification = get_next_notification( |
| 2090 | notification_channel); |
| 2091 | |
| 2092 | ok(notification, "Received notification (%d/%d)", i + 1, |
| 2093 | notification_count); |
| 2094 | |
| 2095 | /* Error. */ |
| 2096 | if (notification == NULL) { |
| 2097 | goto end; |
| 2098 | } |
| 2099 | |
| 2100 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 2101 | lttng_notification_destroy(notification); |
| 2102 | if (ret) { |
| 2103 | goto end; |
| 2104 | } |
| 2105 | } |
| 2106 | end: |
| 2107 | suspend_application(); |
| 2108 | lttng_notification_channel_destroy(notification_channel); |
| 2109 | lttng_unregister_trigger(trigger); |
| 2110 | lttng_trigger_destroy(trigger); |
| 2111 | lttng_action_destroy(action); |
| 2112 | lttng_condition_destroy(condition); |
| 2113 | return; |
| 2114 | } |
| 2115 | |
| 2116 | static void test_syscall_event_rule_notification_filter( |
| 2117 | enum lttng_domain_type domain_type) |
| 2118 | { |
| 2119 | int i, ret; |
| 2120 | enum lttng_error_code ret_code; |
| 2121 | const int notification_count = 3; |
| 2122 | enum lttng_notification_channel_status nc_status; |
| 2123 | enum lttng_event_rule_status event_rule_status; |
| 2124 | struct lttng_notification_channel *notification_channel = NULL; |
| 2125 | struct lttng_condition *condition = NULL; |
| 2126 | struct lttng_event_rule *event_rule = NULL; |
| 2127 | struct lttng_action *action = NULL; |
| 2128 | struct lttng_trigger *trigger = NULL; |
| 2129 | const char * const trigger_name = "syscall_trigger"; |
| 2130 | const char * const syscall_name = "openat"; |
| 2131 | const char * const filter_pattern = "filename == \"/proc/cpuinfo\""; |
| 2132 | |
| 2133 | action = lttng_action_notify_create(); |
| 2134 | if (!action) { |
| 2135 | fail("Failed to create notify action"); |
| 2136 | goto end; |
| 2137 | } |
| 2138 | |
| 2139 | notification_channel = lttng_notification_channel_create( |
| 2140 | lttng_session_daemon_notification_endpoint); |
| 2141 | ok(notification_channel, "Notification channel object creation"); |
| 2142 | |
| 2143 | event_rule = lttng_event_rule_syscall_create(LTTNG_EVENT_RULE_SYSCALL_EMISSION_SITE_ENTRY); |
| 2144 | ok(event_rule, "syscall event rule object creation"); |
| 2145 | |
| 2146 | event_rule_status = lttng_event_rule_syscall_set_pattern( |
| 2147 | event_rule, syscall_name); |
| 2148 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 2149 | "Setting syscall event rule pattern: '%s'", syscall_name); |
| 2150 | |
| 2151 | event_rule_status = lttng_event_rule_syscall_set_filter( |
| 2152 | event_rule, filter_pattern); |
| 2153 | ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK, |
| 2154 | "Setting filter: '%s'", filter_pattern); |
| 2155 | |
| 2156 | condition = lttng_condition_event_rule_matches_create(event_rule); |
| 2157 | ok(condition, "Condition event rule object creation"); |
| 2158 | |
| 2159 | /* Register the triggers for condition */ |
| 2160 | trigger = lttng_trigger_create(condition, action); |
| 2161 | if (!trigger) { |
| 2162 | fail("Failed to create trigger with syscall filtering event rule condition and notify action"); |
| 2163 | goto end; |
| 2164 | } |
| 2165 | |
| 2166 | ret_code = lttng_register_trigger_with_name(trigger, trigger_name); |
| 2167 | if (ret_code != LTTNG_OK) { |
| 2168 | fail("Failed to register trigger with syscall filtering event rule condition and notify action"); |
| 2169 | goto end; |
| 2170 | } |
| 2171 | |
| 2172 | nc_status = lttng_notification_channel_subscribe( |
| 2173 | notification_channel, condition); |
| 2174 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 2175 | "Subscribe to tracepoint event rule condition"); |
| 2176 | |
| 2177 | resume_application(); |
| 2178 | |
| 2179 | for (i = 0; i < notification_count; i++) { |
| 2180 | struct lttng_notification *notification = get_next_notification( |
| 2181 | notification_channel); |
| 2182 | |
| 2183 | ok(notification, "Received notification (%d/%d)", i + 1, |
| 2184 | notification_count); |
| 2185 | |
| 2186 | /* Error. */ |
| 2187 | if (notification == NULL) { |
| 2188 | goto end; |
| 2189 | } |
| 2190 | |
| 2191 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 2192 | lttng_notification_destroy(notification); |
| 2193 | if (ret) { |
| 2194 | goto end; |
| 2195 | } |
| 2196 | } |
| 2197 | |
| 2198 | end: |
| 2199 | suspend_application(); |
| 2200 | |
| 2201 | lttng_unregister_trigger(trigger); |
| 2202 | lttng_notification_channel_destroy(notification_channel); |
| 2203 | lttng_trigger_destroy(trigger); |
| 2204 | lttng_event_rule_destroy(event_rule); |
| 2205 | lttng_condition_destroy(condition); |
| 2206 | return; |
| 2207 | } |
| 2208 | |
| 2209 | static int generate_capture_descr(struct lttng_condition *condition) |
| 2210 | { |
| 2211 | int ret, i; |
| 2212 | struct lttng_event_expr *expr = NULL; |
| 2213 | const unsigned int basic_field_count = sizeof(test_capture_base_fields) / |
| 2214 | sizeof(*test_capture_base_fields); |
| 2215 | enum lttng_condition_status cond_status; |
| 2216 | |
| 2217 | for (i = 0; i < basic_field_count; i++) { |
| 2218 | diag("Adding capture descriptor '%s'", |
| 2219 | test_capture_base_fields[i].field_name); |
| 2220 | |
| 2221 | switch (test_capture_base_fields[i].field_type) { |
| 2222 | case FIELD_TYPE_PAYLOAD: |
| 2223 | expr = lttng_event_expr_event_payload_field_create( |
| 2224 | test_capture_base_fields[i].field_name); |
| 2225 | break; |
| 2226 | case FIELD_TYPE_CONTEXT: |
| 2227 | expr = lttng_event_expr_channel_context_field_create( |
| 2228 | test_capture_base_fields[i].field_name); |
| 2229 | break; |
| 2230 | case FIELD_TYPE_ARRAY_FIELD: |
| 2231 | { |
| 2232 | int nb_matches; |
| 2233 | unsigned int index; |
| 2234 | char field_name[FIELD_NAME_MAX_LEN]; |
| 2235 | struct lttng_event_expr *array_expr = NULL; |
| 2236 | |
| 2237 | nb_matches = sscanf(test_capture_base_fields[i].field_name, |
| 2238 | "%[^[][%u]", field_name, &index); |
| 2239 | if (nb_matches != 2) { |
| 2240 | fail("Unexpected array field name format: field name = '%s'", |
| 2241 | test_capture_base_fields[i].field_name); |
| 2242 | ret = 1; |
| 2243 | goto end; |
| 2244 | } |
| 2245 | |
| 2246 | array_expr = lttng_event_expr_event_payload_field_create( |
| 2247 | field_name); |
| 2248 | |
| 2249 | expr = lttng_event_expr_array_field_element_create( |
| 2250 | array_expr, index); |
| 2251 | break; |
| 2252 | } |
| 2253 | case FIELD_TYPE_APP_CONTEXT: |
| 2254 | fail("Application context tests are not implemented yet."); |
| 2255 | /* fallthrough. */ |
| 2256 | default: |
| 2257 | ret = 1; |
| 2258 | goto end; |
| 2259 | } |
| 2260 | |
| 2261 | if (expr == NULL) { |
| 2262 | fail("Failed to create capture expression"); |
| 2263 | ret = -1; |
| 2264 | goto end; |
| 2265 | } |
| 2266 | |
| 2267 | cond_status = lttng_condition_event_rule_matches_append_capture_descriptor( |
| 2268 | condition, expr); |
| 2269 | if (cond_status != LTTNG_CONDITION_STATUS_OK) { |
| 2270 | fail("Failed to append capture descriptor"); |
| 2271 | ret = -1; |
| 2272 | lttng_event_expr_destroy(expr); |
| 2273 | goto end; |
| 2274 | } |
| 2275 | } |
| 2276 | |
| 2277 | ret = 0; |
| 2278 | |
| 2279 | end: |
| 2280 | return ret; |
| 2281 | } |
| 2282 | |
| 2283 | static int validator_notification_trigger_capture( |
| 2284 | enum lttng_domain_type domain, |
| 2285 | struct lttng_notification *notification, |
| 2286 | const int iteration) |
| 2287 | { |
| 2288 | int ret; |
| 2289 | unsigned int capture_count, i; |
| 2290 | enum lttng_evaluation_event_rule_matches_status |
| 2291 | event_rule_matches_evaluation_status; |
| 2292 | enum lttng_event_field_value_status event_field_value_status; |
| 2293 | const struct lttng_evaluation *evaluation; |
| 2294 | const struct lttng_event_field_value *captured_fields; |
| 2295 | bool at_least_one_error = false; |
| 2296 | |
| 2297 | evaluation = lttng_notification_get_evaluation(notification); |
| 2298 | if (evaluation == NULL) { |
| 2299 | fail("Failed to get evaluation from notification during trigger capture test"); |
| 2300 | ret = 1; |
| 2301 | goto end; |
| 2302 | } |
| 2303 | |
| 2304 | event_rule_matches_evaluation_status = |
| 2305 | lttng_evaluation_event_rule_matches_get_captured_values( |
| 2306 | evaluation, &captured_fields); |
| 2307 | if (event_rule_matches_evaluation_status != |
| 2308 | LTTNG_EVALUATION_EVENT_RULE_MATCHES_STATUS_OK) { |
| 2309 | diag("Failed to get event rule evaluation captured values: status = %d", |
| 2310 | (int) event_rule_matches_evaluation_status); |
| 2311 | ret = 1; |
| 2312 | goto end; |
| 2313 | } |
| 2314 | |
| 2315 | event_field_value_status = |
| 2316 | lttng_event_field_value_array_get_length(captured_fields, |
| 2317 | &capture_count); |
| 2318 | if (event_field_value_status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 2319 | fail("Failed to get count of captured value field array"); |
| 2320 | ret = 1; |
| 2321 | goto end; |
| 2322 | } |
| 2323 | |
| 2324 | for (i = 0; i < capture_count; i++) { |
| 2325 | const struct lttng_event_field_value *captured_field = NULL; |
| 2326 | validate_cb validate; |
| 2327 | bool expected; |
| 2328 | |
| 2329 | diag("Validating capture of field '%s'", |
| 2330 | test_capture_base_fields[i].field_name); |
| 2331 | event_field_value_status = |
| 2332 | lttng_event_field_value_array_get_element_at_index( |
| 2333 | captured_fields, i, |
| 2334 | &captured_field); |
| 2335 | |
| 2336 | switch(domain) { |
| 2337 | case LTTNG_DOMAIN_UST: |
| 2338 | expected = test_capture_base_fields[i].expected_ust; |
| 2339 | break; |
| 2340 | case LTTNG_DOMAIN_KERNEL: |
| 2341 | expected = test_capture_base_fields[i].expected_kernel; |
| 2342 | break; |
| 2343 | default: |
| 2344 | fail("Unexpected domain encountered: domain = %d", |
| 2345 | (int) domain); |
| 2346 | ret = 1; |
| 2347 | goto end; |
| 2348 | } |
| 2349 | |
| 2350 | if (domain == LTTNG_DOMAIN_UST) { |
| 2351 | validate = test_capture_base_fields[i].validate_ust; |
| 2352 | } else { |
| 2353 | validate = test_capture_base_fields[i].validate_kernel; |
| 2354 | } |
| 2355 | |
| 2356 | if (!expected) { |
| 2357 | ok(event_field_value_status == LTTNG_EVENT_FIELD_VALUE_STATUS_UNAVAILABLE, |
| 2358 | "No payload captured"); |
| 2359 | continue; |
| 2360 | } |
| 2361 | |
| 2362 | if (event_field_value_status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) { |
| 2363 | if (event_field_value_status == |
| 2364 | LTTNG_EVENT_FIELD_VALUE_STATUS_UNAVAILABLE) { |
| 2365 | fail("Expected a capture but it is unavailable"); |
| 2366 | } else { |
| 2367 | fail("lttng_event_field_value_array_get_element_at_index returned an error: status = %d", |
| 2368 | (int) event_field_value_status); |
| 2369 | } |
| 2370 | |
| 2371 | ret = 1; |
| 2372 | goto end; |
| 2373 | } |
| 2374 | |
| 2375 | diag("Captured field of type %s", |
| 2376 | field_value_type_to_str( |
| 2377 | lttng_event_field_value_get_type(captured_field))); |
| 2378 | |
| 2379 | assert(validate); |
| 2380 | ret = validate(captured_field, iteration); |
| 2381 | if (ret) { |
| 2382 | at_least_one_error = true; |
| 2383 | } |
| 2384 | } |
| 2385 | |
| 2386 | ret = at_least_one_error; |
| 2387 | |
| 2388 | end: |
| 2389 | return ret; |
| 2390 | } |
| 2391 | |
| 2392 | static void test_tracepoint_event_rule_notification_capture( |
| 2393 | enum lttng_domain_type domain_type) |
| 2394 | { |
| 2395 | enum lttng_notification_channel_status nc_status; |
| 2396 | |
| 2397 | int i, ret; |
| 2398 | struct lttng_condition *condition = NULL; |
| 2399 | struct lttng_notification_channel *notification_channel = NULL; |
| 2400 | struct lttng_trigger *trigger = NULL; |
| 2401 | const char *trigger_name = "my_precious"; |
| 2402 | const char *pattern; |
| 2403 | |
| 2404 | if (domain_type == LTTNG_DOMAIN_UST) { |
| 2405 | pattern = "tp:tptest"; |
| 2406 | } else { |
| 2407 | pattern = "lttng_test_filter_event"; |
| 2408 | } |
| 2409 | |
| 2410 | create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 0, |
| 2411 | NULL, domain_type, generate_capture_descr, &condition, |
| 2412 | &trigger); |
| 2413 | |
| 2414 | notification_channel = lttng_notification_channel_create( |
| 2415 | lttng_session_daemon_notification_endpoint); |
| 2416 | ok(notification_channel, "Notification channel object creation"); |
| 2417 | |
| 2418 | nc_status = lttng_notification_channel_subscribe( |
| 2419 | notification_channel, condition); |
| 2420 | ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, |
| 2421 | "Subscribe to tracepoint event rule condition"); |
| 2422 | |
| 2423 | resume_application(); |
| 2424 | |
| 2425 | /* Get 3 notifications */ |
| 2426 | for (i = 0; i < 3; i++) { |
| 2427 | struct lttng_notification *notification = get_next_notification( |
| 2428 | notification_channel); |
| 2429 | ok(notification, "Received notification"); |
| 2430 | |
| 2431 | /* Error */ |
| 2432 | if (notification == NULL) { |
| 2433 | goto end; |
| 2434 | } |
| 2435 | |
| 2436 | ret = validator_notification_trigger_name(notification, trigger_name); |
| 2437 | if (ret) { |
| 2438 | lttng_notification_destroy(notification); |
| 2439 | goto end; |
| 2440 | } |
| 2441 | |
| 2442 | ret = validator_notification_trigger_capture(domain_type, notification, i); |
| 2443 | if (ret) { |
| 2444 | lttng_notification_destroy(notification); |
| 2445 | goto end; |
| 2446 | } |
| 2447 | |
| 2448 | lttng_notification_destroy(notification); |
| 2449 | } |
| 2450 | |
| 2451 | end: |
| 2452 | suspend_application(); |
| 2453 | lttng_notification_channel_destroy(notification_channel); |
| 2454 | lttng_unregister_trigger(trigger); |
| 2455 | lttng_trigger_destroy(trigger); |
| 2456 | lttng_condition_destroy(condition); |
| 2457 | return; |
| 2458 | } |
| 2459 | |
| 2460 | int main(int argc, const char *argv[]) |
| 2461 | { |
| 2462 | int test_scenario; |
| 2463 | const char *domain_type_string = NULL; |
| 2464 | enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE; |
| 2465 | |
| 2466 | if (argc < 5) { |
| 2467 | fail("Missing test scenario, domain type, pid, or application state file argument(s)"); |
| 2468 | goto error; |
| 2469 | } |
| 2470 | |
| 2471 | test_scenario = atoi(argv[1]); |
| 2472 | domain_type_string = argv[2]; |
| 2473 | app_pid = (pid_t) atoi(argv[3]); |
| 2474 | app_state_file = argv[4]; |
| 2475 | |
| 2476 | if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) { |
| 2477 | domain_type = LTTNG_DOMAIN_UST; |
| 2478 | } |
| 2479 | if (!strcmp("LTTNG_DOMAIN_KERNEL", domain_type_string)) { |
| 2480 | domain_type = LTTNG_DOMAIN_KERNEL; |
| 2481 | } |
| 2482 | if (domain_type == LTTNG_DOMAIN_NONE) { |
| 2483 | fail("Unknown domain type"); |
| 2484 | goto error; |
| 2485 | } |
| 2486 | |
| 2487 | /* |
| 2488 | * Test cases are responsible for resuming the app when needed |
| 2489 | * and making sure it's suspended when returning. |
| 2490 | */ |
| 2491 | suspend_application(); |
| 2492 | |
| 2493 | switch (test_scenario) { |
| 2494 | case 1: |
| 2495 | { |
| 2496 | plan_tests(41); |
| 2497 | |
| 2498 | /* Test cases that need gen-ust-event testapp. */ |
| 2499 | diag("Test basic notification error paths for %s domain", |
| 2500 | domain_type_string); |
| 2501 | test_invalid_channel_subscription(domain_type); |
| 2502 | |
| 2503 | diag("Test tracepoint event rule notifications for domain %s", |
| 2504 | domain_type_string); |
| 2505 | test_tracepoint_event_rule_notification(domain_type); |
| 2506 | |
| 2507 | diag("Test tracepoint event rule notifications with filter for domain %s", |
| 2508 | domain_type_string); |
| 2509 | test_tracepoint_event_rule_notification_filter(domain_type); |
| 2510 | break; |
| 2511 | } |
| 2512 | case 2: |
| 2513 | { |
| 2514 | const char *session_name, *channel_name; |
| 2515 | |
| 2516 | /* Test cases that need a tracing session enabled. */ |
| 2517 | plan_tests(99); |
| 2518 | |
| 2519 | /* |
| 2520 | * Argument 7 and upward are named pipe location for consumerd |
| 2521 | * control. |
| 2522 | */ |
| 2523 | named_pipe_args_start = 7; |
| 2524 | |
| 2525 | if (argc < 8) { |
| 2526 | fail("Missing parameter for tests to run %d", argc); |
| 2527 | goto error; |
| 2528 | } |
| 2529 | |
| 2530 | nb_args = argc; |
| 2531 | |
| 2532 | session_name = argv[5]; |
| 2533 | channel_name = argv[6]; |
| 2534 | |
| 2535 | test_subscription_twice(session_name, channel_name, |
| 2536 | domain_type); |
| 2537 | |
| 2538 | diag("Test trigger for domain %s with buffer_usage_low condition", |
| 2539 | domain_type_string); |
| 2540 | test_triggers_buffer_usage_condition(session_name, channel_name, |
| 2541 | domain_type, |
| 2542 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW); |
| 2543 | |
| 2544 | diag("Test trigger for domain %s with buffer_usage_high condition", |
| 2545 | domain_type_string); |
| 2546 | test_triggers_buffer_usage_condition(session_name, channel_name, |
| 2547 | domain_type, |
| 2548 | LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH); |
| 2549 | |
| 2550 | diag("Test buffer usage notification channel api for domain %s", |
| 2551 | domain_type_string); |
| 2552 | test_buffer_usage_notification_channel(session_name, channel_name, |
| 2553 | domain_type, argv); |
| 2554 | break; |
| 2555 | } |
| 2556 | case 3: |
| 2557 | { |
| 2558 | /* |
| 2559 | * Test cases that need a test app with more than one event |
| 2560 | * type. |
| 2561 | */ |
| 2562 | plan_tests(23); |
| 2563 | |
| 2564 | /* |
| 2565 | * At the moment, the only test case of this scenario is |
| 2566 | * exclusion which is only supported by UST. |
| 2567 | */ |
| 2568 | assert(domain_type == LTTNG_DOMAIN_UST); |
| 2569 | diag("Test tracepoint event rule notifications with exclusion for domain %s", |
| 2570 | domain_type_string); |
| 2571 | test_tracepoint_event_rule_notification_exclusion(domain_type); |
| 2572 | |
| 2573 | break; |
| 2574 | } |
| 2575 | case 4: |
| 2576 | { |
| 2577 | plan_tests(11); |
| 2578 | /* Test cases that need the kernel tracer. */ |
| 2579 | assert(domain_type == LTTNG_DOMAIN_KERNEL); |
| 2580 | |
| 2581 | diag("Test kprobe event rule notifications for domain %s", |
| 2582 | domain_type_string); |
| 2583 | |
| 2584 | test_kprobe_event_rule_notification(domain_type); |
| 2585 | |
| 2586 | break; |
| 2587 | } |
| 2588 | case 5: |
| 2589 | { |
| 2590 | plan_tests(23); |
| 2591 | /* Test cases that need the kernel tracer. */ |
| 2592 | assert(domain_type == LTTNG_DOMAIN_KERNEL); |
| 2593 | |
| 2594 | diag("Test syscall event rule notifications for domain %s", |
| 2595 | domain_type_string); |
| 2596 | |
| 2597 | test_syscall_event_rule_notification(domain_type); |
| 2598 | |
| 2599 | diag("Test syscall filtering event rule notifications for domain %s", |
| 2600 | domain_type_string); |
| 2601 | |
| 2602 | test_syscall_event_rule_notification_filter(domain_type); |
| 2603 | |
| 2604 | break; |
| 2605 | } |
| 2606 | case 6: |
| 2607 | { |
| 2608 | const char *testapp_path, *test_symbol_name; |
| 2609 | |
| 2610 | plan_tests(11); |
| 2611 | |
| 2612 | if (argc < 7) { |
| 2613 | fail("Missing parameter for tests to run %d", argc); |
| 2614 | goto error; |
| 2615 | } |
| 2616 | |
| 2617 | testapp_path = argv[5]; |
| 2618 | test_symbol_name = argv[6]; |
| 2619 | /* Test cases that need the kernel tracer. */ |
| 2620 | assert(domain_type == LTTNG_DOMAIN_KERNEL); |
| 2621 | |
| 2622 | diag("Test userspace-probe event rule notifications for domain %s", |
| 2623 | domain_type_string); |
| 2624 | |
| 2625 | test_uprobe_event_rule_notification( |
| 2626 | domain_type, testapp_path, test_symbol_name); |
| 2627 | |
| 2628 | break; |
| 2629 | } |
| 2630 | case 7: |
| 2631 | { |
| 2632 | switch(domain_type) { |
| 2633 | case LTTNG_DOMAIN_UST: |
| 2634 | plan_tests(221); |
| 2635 | break; |
| 2636 | case LTTNG_DOMAIN_KERNEL: |
| 2637 | plan_tests(215); |
| 2638 | break; |
| 2639 | default: |
| 2640 | assert(0); |
| 2641 | } |
| 2642 | |
| 2643 | diag("Test tracepoint event rule notification captures for domain %s", |
| 2644 | domain_type_string); |
| 2645 | test_tracepoint_event_rule_notification_capture(domain_type); |
| 2646 | |
| 2647 | break; |
| 2648 | } |
| 2649 | |
| 2650 | default: |
| 2651 | abort(); |
| 2652 | } |
| 2653 | |
| 2654 | error: |
| 2655 | return exit_status(); |
| 2656 | } |
| 2657 | |