tests/unit/test_event_rule.cpp

   1 /*
   2  * Unit tests for the notification API.
   3  *
   4  * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
   5  *
   6  * SPDX-License-Identifier: LGPL-2.1-only
   7  *
   8  */
   9
  10 #include <inttypes.h>
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include <unistd.h>
  14
  15 #include <tap/tap.h>
  16
  17 #include <common/payload-view.hpp>
  18 #include <common/payload.hpp>
  19 #include <lttng/domain.h>
  20 #include <lttng/event-rule/jul-logging-internal.hpp>
  21 #include <lttng/event-rule/jul-logging.h>
  22 #include <lttng/event-rule/kernel-kprobe-internal.hpp>
  23 #include <lttng/event-rule/kernel-kprobe.h>
  24 #include <lttng/event-rule/kernel-syscall-internal.hpp>
  25 #include <lttng/event-rule/kernel-syscall.h>
  26 #include <lttng/event-rule/python-logging-internal.hpp>
  27 #include <lttng/event-rule/python-logging.h>
  28 #include <lttng/event-rule/kernel-tracepoint-internal.hpp>
  29 #include <lttng/event-rule/kernel-tracepoint.h>
  30 #include <lttng/event-rule/kernel-uprobe-internal.hpp>
  31 #include <lttng/event-rule/kernel-uprobe.h>
  32 #include <lttng/event-rule/user-tracepoint-internal.hpp>
  33 #include <lttng/event-rule/user-tracepoint.h>
  34 #include <lttng/event.h>
  35 #include <lttng/kernel-probe-internal.hpp>
  36 #include <lttng/kernel-probe.h>
  37 #include <lttng/userspace-probe-internal.hpp>
  38 #include <lttng/userspace-probe.h>
  39 #include "bin/lttng/loglevel.hpp"
  40
  41 /* For error.h. */
  42 int lttng_opt_quiet = 1;
  43 int lttng_opt_verbose;
  44 int lttng_opt_mi;
  45
  46 #define NUM_TESTS 212
  47
  48 struct tracepoint_test {
  49         enum lttng_domain_type type;
  50         bool support_name_pattern_exclusion;
  51 };
  52
  53 typedef const char *(*log_level_name_getter)(int log_level);
  54
  55 typedef struct lttng_event_rule *(*event_rule_create)(void);
  56 typedef enum lttng_event_rule_status (*event_rule_set_log_level)(
  57                 struct lttng_event_rule *rule,
  58                 const struct lttng_log_level_rule *log_level_rule);
  59
  60 static
  61 void test_event_rule_kernel_tracepoint(void)
  62 {
  63         struct lttng_event_rule *tracepoint = NULL;
  64         struct lttng_event_rule *tracepoint_from_buffer = NULL;
  65         enum lttng_event_rule_status status;
  66         const char *pattern="my_event_*";
  67         const char *filter="msg_id == 23 && size >= 2048";
  68         const char *tmp;
  69         struct lttng_payload payload;
  70
  71         diag("Testing lttng_event_rule_kernel_tracepoint.");
  72
  73         lttng_payload_init(&payload);
  74
  75         tracepoint = lttng_event_rule_kernel_tracepoint_create();
  76         ok(tracepoint, "tracepoint object.");
  77
  78         status = lttng_event_rule_kernel_tracepoint_set_name_pattern(tracepoint, pattern);
  79         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting pattern.");
  80         status = lttng_event_rule_kernel_tracepoint_get_name_pattern(tracepoint, &tmp);
  81         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting pattern.");
  82         ok(!strncmp(pattern, tmp, strlen(pattern)), "pattern is equal.");
  83
  84         status = lttng_event_rule_kernel_tracepoint_set_filter(tracepoint, filter);
  85         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting filter.");
  86         status = lttng_event_rule_kernel_tracepoint_get_filter(tracepoint, &tmp);
  87         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting filter.");
  88         ok(!strncmp(filter, tmp, strlen(filter)), "filter is equal.");
  89
  90         ok(lttng_event_rule_serialize(tracepoint, &payload) == 0, "Serializing.");
  91
  92         {
  93                 struct lttng_payload_view view =
  94                                 lttng_payload_view_from_payload(
  95                                                 &payload, 0, -1);
  96
  97                 ok(lttng_event_rule_create_from_payload(
  98                                 &view, &tracepoint_from_buffer) > 0,
  99                                 "Deserializing.");
 100         }
 101
 102         ok(lttng_event_rule_is_equal(tracepoint, tracepoint_from_buffer), "serialized and from buffer are equal.");
 103
 104         lttng_payload_reset(&payload);
 105         lttng_event_rule_destroy(tracepoint);
 106         lttng_event_rule_destroy(tracepoint_from_buffer);
 107 }
 108
 109 static
 110 void test_event_rule_user_tracepoint(void)
 111 {
 112         int i;
 113         unsigned int count;
 114         struct lttng_event_rule *tracepoint = NULL;
 115         struct lttng_event_rule *tracepoint_from_buffer = NULL;
 116         enum lttng_event_rule_status status;
 117         const char *pattern="my_event_*";
 118         const char *filter="msg_id == 23 && size >= 2048";
 119         const char *tmp;
 120         const char *name_pattern_exclusions[] = {"my_event_test1", "my_event_test2" ,"my_event_test3"};
 121         struct lttng_log_level_rule *log_level_rule = NULL;
 122         const struct lttng_log_level_rule *log_level_rule_return = NULL;
 123         struct lttng_payload payload;
 124
 125         diag("Testing lttng_event_rule_user_tracepoint.");
 126
 127         lttng_payload_init(&payload);
 128
 129         log_level_rule = lttng_log_level_rule_exactly_create(LTTNG_LOGLEVEL_INFO);
 130         LTTNG_ASSERT(log_level_rule);
 131
 132         tracepoint = lttng_event_rule_user_tracepoint_create();
 133         ok(tracepoint, "user tracepoint object.");
 134
 135         status = lttng_event_rule_user_tracepoint_set_name_pattern(tracepoint, pattern);
 136         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting pattern.");
 137         status = lttng_event_rule_user_tracepoint_get_name_pattern(tracepoint, &tmp);
 138         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting pattern.");
 139         ok(!strncmp(pattern, tmp, strlen(pattern)), "pattern is equal.");
 140
 141         status = lttng_event_rule_user_tracepoint_set_filter(tracepoint, filter);
 142         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting filter.");
 143         status = lttng_event_rule_user_tracepoint_get_filter(tracepoint, &tmp);
 144         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting filter.");
 145         ok(!strncmp(filter, tmp, strlen(filter)), "filter is equal.");
 146
 147         status = lttng_event_rule_user_tracepoint_get_log_level_rule(tracepoint, &log_level_rule_return);
 148         ok(status == LTTNG_EVENT_RULE_STATUS_UNSET, "get unset log level rule.");
 149
 150         status = lttng_event_rule_user_tracepoint_set_log_level_rule(
 151                         tracepoint, log_level_rule);
 152         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting log level rule.");
 153         status = lttng_event_rule_user_tracepoint_get_log_level_rule(
 154                         tracepoint, &log_level_rule_return);
 155         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "get log level rule.");
 156
 157         /* Name pattern exclusions */
 158         for (i = 0; i < 3; i++) {
 159                 status = lttng_event_rule_user_tracepoint_add_name_pattern_exclusion(
 160                                 tracepoint, name_pattern_exclusions[i]);
 161                 ok(status == LTTNG_EVENT_RULE_STATUS_OK,
 162                                 "setting name pattern exclusions \"%s\"",
 163                                 name_pattern_exclusions[i]);
 164         }
 165
 166         status = lttng_event_rule_user_tracepoint_get_name_pattern_exclusion_count(
 167                         tracepoint, &count);
 168         ok(status == LTTNG_EVENT_RULE_STATUS_OK,
 169                         "getting name pattern exclusion count.");
 170         ok(count == 3, "count is %d/3", count);
 171
 172         for (i = 0; i < count; i++) {
 173                 status = lttng_event_rule_user_tracepoint_get_name_pattern_exclusion_at_index(
 174                                 tracepoint, i, &tmp);
 175                 ok(status == LTTNG_EVENT_RULE_STATUS_OK,
 176                                 "getting name pattern exclusion at index %d.",
 177                                 i);
 178                 ok(!strncmp(name_pattern_exclusions[i], tmp,
 179                                    strlen(name_pattern_exclusions[i])),
 180                                 "%s == %s.", tmp, name_pattern_exclusions[i]);
 181         }
 182
 183         ok(lttng_event_rule_serialize(tracepoint, &payload) == 0, "Serializing.");
 184
 185         {
 186                 struct lttng_payload_view view =
 187                                 lttng_payload_view_from_payload(
 188                                                 &payload, 0, -1);
 189
 190                 ok(lttng_event_rule_create_from_payload(
 191                                 &view, &tracepoint_from_buffer) > 0,
 192                                 "Deserializing.");
 193         }
 194
 195         ok(lttng_event_rule_is_equal(tracepoint, tracepoint_from_buffer), "serialized and from buffer are equal.");
 196
 197         lttng_payload_reset(&payload);
 198         lttng_event_rule_destroy(tracepoint);
 199         lttng_event_rule_destroy(tracepoint_from_buffer);
 200         lttng_log_level_rule_destroy(log_level_rule);
 201 }
 202
 203 static void test_event_rule_syscall(void)
 204 {
 205         struct lttng_event_rule *syscall = NULL;
 206         struct lttng_event_rule *syscall_from_buffer = NULL;
 207         enum lttng_event_rule_status status;
 208         const char *pattern = "my_event_*";
 209         const char *filter = "msg_id == 23 && size >= 2048";
 210         const char *tmp;
 211         struct lttng_payload payload;
 212
 213         diag("Event rule syscall.");
 214
 215         lttng_payload_init(&payload);
 216
 217         syscall = lttng_event_rule_kernel_syscall_create(LTTNG_EVENT_RULE_KERNEL_SYSCALL_EMISSION_SITE_ENTRY);
 218         ok(syscall, "syscall object.");
 219
 220         status = lttng_event_rule_kernel_syscall_set_name_pattern(syscall, pattern);
 221         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting pattern.");
 222         status = lttng_event_rule_kernel_syscall_get_name_pattern(syscall, &tmp);
 223         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting pattern.");
 224         ok(!strncmp(pattern, tmp, strlen(pattern)), "pattern is equal.");
 225
 226         status = lttng_event_rule_kernel_syscall_set_filter(syscall, filter);
 227         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting filter.");
 228         status = lttng_event_rule_kernel_syscall_get_filter(syscall, &tmp);
 229         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting filter.");
 230         ok(!strncmp(filter, tmp, strlen(filter)), "filter is equal.");
 231
 232         ok(lttng_event_rule_serialize(syscall, &payload) == 0, "Serializing.");
 233
 234         {
 235                 struct lttng_payload_view view =
 236                                 lttng_payload_view_from_payload(
 237                                                 &payload, 0, -1);
 238
 239                 ok(lttng_event_rule_create_from_payload(
 240                                    &view, &syscall_from_buffer) > 0,
 241                                 "Deserializing.");
 242         }
 243
 244         ok(lttng_event_rule_is_equal(syscall, syscall_from_buffer),
 245                         "serialized and from buffer are equal.");
 246
 247         lttng_payload_reset(&payload);
 248         lttng_event_rule_destroy(syscall);
 249         lttng_event_rule_destroy(syscall_from_buffer);
 250 }
 251
 252 static
 253 void test_event_rule_jul_logging(void)
 254 {
 255         struct lttng_event_rule *jul_logging = NULL;
 256         struct lttng_event_rule *jul_logging_from_buffer = NULL;
 257         enum lttng_event_rule_status status;
 258         const char *pattern="my_event_*";
 259         const char *filter="msg_id == 23 && size >= 2048";
 260         const char *tmp;
 261         struct lttng_log_level_rule *log_level_rule = NULL;
 262         const struct lttng_log_level_rule *log_level_rule_return = NULL;
 263         struct lttng_payload payload;
 264
 265         diag("Testing lttng_event_rule_user_jul_logging.");
 266
 267         lttng_payload_init(&payload);
 268
 269         log_level_rule = lttng_log_level_rule_exactly_create(LTTNG_LOGLEVEL_INFO);
 270         LTTNG_ASSERT(log_level_rule);
 271
 272         jul_logging = lttng_event_rule_jul_logging_create();
 273         ok(jul_logging, "jul_logging object.");
 274
 275         status = lttng_event_rule_jul_logging_set_name_pattern(jul_logging, pattern);
 276         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting pattern.");
 277         status = lttng_event_rule_jul_logging_get_name_pattern(jul_logging, &tmp);
 278         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting pattern.");
 279         ok(!strncmp(pattern, tmp, strlen(pattern)), "pattern is equal.");
 280
 281         status = lttng_event_rule_jul_logging_set_filter(jul_logging, filter);
 282         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting filter.");
 283         status = lttng_event_rule_jul_logging_get_filter(jul_logging, &tmp);
 284         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting filter.");
 285         ok(!strncmp(filter, tmp, strlen(filter)), "filter is equal.");
 286
 287         status = lttng_event_rule_jul_logging_get_log_level_rule(jul_logging, &log_level_rule_return);
 288         ok(status == LTTNG_EVENT_RULE_STATUS_UNSET, "get unset log level rule.");
 289
 290         status = lttng_event_rule_jul_logging_set_log_level_rule(
 291                         jul_logging, log_level_rule);
 292         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting log level rule.");
 293         status = lttng_event_rule_jul_logging_get_log_level_rule(
 294                         jul_logging, &log_level_rule_return);
 295         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "get log level rule.");
 296
 297         ok(lttng_event_rule_serialize(jul_logging, &payload) == 0, "Serializing.");
 298
 299         {
 300                 struct lttng_payload_view view =
 301                                 lttng_payload_view_from_payload(
 302                                                 &payload, 0, -1);
 303
 304                 ok(lttng_event_rule_create_from_payload(
 305                                 &view, &jul_logging_from_buffer) > 0,
 306                                 "Deserializing.");
 307         }
 308
 309         ok(lttng_event_rule_is_equal(jul_logging, jul_logging_from_buffer), "serialized and from buffer are equal.");
 310
 311         lttng_payload_reset(&payload);
 312         lttng_event_rule_destroy(jul_logging);
 313         lttng_event_rule_destroy(jul_logging_from_buffer);
 314         lttng_log_level_rule_destroy(log_level_rule);
 315 }
 316
 317 static
 318 void test_event_rule_log4j_logging(void)
 319 {
 320         struct lttng_event_rule *log4j_logging = NULL;
 321         struct lttng_event_rule *log4j_logging_from_buffer = NULL;
 322         enum lttng_event_rule_status status;
 323         const char *pattern="my_event_*";
 324         const char *filter="msg_id == 23 && size >= 2048";
 325         const char *tmp;
 326         struct lttng_log_level_rule *log_level_rule = NULL;
 327         const struct lttng_log_level_rule *log_level_rule_return = NULL;
 328         struct lttng_payload payload;
 329
 330         diag("Testing lttng_event_rule_user_log4j_logging.");
 331
 332         lttng_payload_init(&payload);
 333
 334         log_level_rule = lttng_log_level_rule_exactly_create(LTTNG_LOGLEVEL_INFO);
 335         LTTNG_ASSERT(log_level_rule);
 336
 337         log4j_logging = lttng_event_rule_log4j_logging_create();
 338         ok(log4j_logging, "log4j_logging object.");
 339
 340         status = lttng_event_rule_log4j_logging_set_name_pattern(log4j_logging, pattern);
 341         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting pattern.");
 342         status = lttng_event_rule_log4j_logging_get_name_pattern(log4j_logging, &tmp);
 343         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting pattern.");
 344         ok(!strncmp(pattern, tmp, strlen(pattern)), "pattern is equal.");
 345
 346         status = lttng_event_rule_log4j_logging_set_filter(log4j_logging, filter);
 347         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting filter.");
 348         status = lttng_event_rule_log4j_logging_get_filter(log4j_logging, &tmp);
 349         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting filter.");
 350         ok(!strncmp(filter, tmp, strlen(filter)), "filter is equal.");
 351
 352         status = lttng_event_rule_log4j_logging_get_log_level_rule(log4j_logging, &log_level_rule_return);
 353         ok(status == LTTNG_EVENT_RULE_STATUS_UNSET, "get unset log level rule.");
 354
 355         status = lttng_event_rule_log4j_logging_set_log_level_rule(
 356                         log4j_logging, log_level_rule);
 357         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting log level rule.");
 358         status = lttng_event_rule_log4j_logging_get_log_level_rule(
 359                         log4j_logging, &log_level_rule_return);
 360         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "get log level rule.");
 361
 362         ok(lttng_event_rule_serialize(log4j_logging, &payload) == 0, "Serializing.");
 363
 364         {
 365                 struct lttng_payload_view view =
 366                                 lttng_payload_view_from_payload(
 367                                                 &payload, 0, -1);
 368
 369                 ok(lttng_event_rule_create_from_payload(
 370                                 &view, &log4j_logging_from_buffer) > 0,
 371                                 "Deserializing.");
 372         }
 373
 374         ok(lttng_event_rule_is_equal(log4j_logging, log4j_logging_from_buffer), "serialized and from buffer are equal.");
 375
 376         lttng_payload_reset(&payload);
 377         lttng_event_rule_destroy(log4j_logging);
 378         lttng_event_rule_destroy(log4j_logging_from_buffer);
 379         lttng_log_level_rule_destroy(log_level_rule);
 380 }
 381
 382 static
 383 void test_event_rule_python_logging(void)
 384 {
 385         struct lttng_event_rule *python_logging = NULL;
 386         struct lttng_event_rule *python_logging_from_buffer = NULL;
 387         enum lttng_event_rule_status status;
 388         const char *pattern="my_event_*";
 389         const char *filter="msg_id == 23 && size >= 2048";
 390         const char *tmp;
 391         struct lttng_log_level_rule *log_level_rule = NULL;
 392         const struct lttng_log_level_rule *log_level_rule_return = NULL;
 393         struct lttng_payload payload;
 394
 395         diag("Testing lttng_event_rule_user_python_logging.");
 396
 397         lttng_payload_init(&payload);
 398
 399         log_level_rule = lttng_log_level_rule_exactly_create(LTTNG_LOGLEVEL_INFO);
 400         LTTNG_ASSERT(log_level_rule);
 401
 402         python_logging = lttng_event_rule_python_logging_create();
 403         ok(python_logging, "python_logging object.");
 404
 405         status = lttng_event_rule_python_logging_set_name_pattern(python_logging, pattern);
 406         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting pattern.");
 407         status = lttng_event_rule_python_logging_get_name_pattern(python_logging, &tmp);
 408         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting pattern.");
 409         ok(!strncmp(pattern, tmp, strlen(pattern)), "pattern is equal.");
 410
 411         status = lttng_event_rule_python_logging_set_filter(python_logging, filter);
 412         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting filter.");
 413         status = lttng_event_rule_python_logging_get_filter(python_logging, &tmp);
 414         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "getting filter.");
 415         ok(!strncmp(filter, tmp, strlen(filter)), "filter is equal.");
 416
 417         status = lttng_event_rule_python_logging_get_log_level_rule(python_logging, &log_level_rule_return);
 418         ok(status == LTTNG_EVENT_RULE_STATUS_UNSET, "get unset log level rule.");
 419
 420         status = lttng_event_rule_python_logging_set_log_level_rule(
 421                         python_logging, log_level_rule);
 422         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "setting log level rule.");
 423         status = lttng_event_rule_python_logging_get_log_level_rule(
 424                         python_logging, &log_level_rule_return);
 425         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "get log level rule.");
 426
 427         ok(lttng_event_rule_serialize(python_logging, &payload) == 0, "Serializing.");
 428
 429         {
 430                 struct lttng_payload_view view =
 431                                 lttng_payload_view_from_payload(
 432                                                 &payload, 0, -1);
 433
 434                 ok(lttng_event_rule_create_from_payload(
 435                                 &view, &python_logging_from_buffer) > 0,
 436                                 "Deserializing.");
 437         }
 438
 439         ok(lttng_event_rule_is_equal(python_logging, python_logging_from_buffer), "serialized and from buffer are equal.");
 440
 441         lttng_payload_reset(&payload);
 442         lttng_event_rule_destroy(python_logging);
 443         lttng_event_rule_destroy(python_logging_from_buffer);
 444         lttng_log_level_rule_destroy(log_level_rule);
 445 }
 446
 447 static void test_event_rule_userspace_probe(void)
 448 {
 449         struct lttng_event_rule *uprobe = NULL;
 450         struct lttng_event_rule *uprobe_from_buffer = NULL;
 451         struct lttng_userspace_probe_location_lookup_method *lookup_method =
 452                         NULL;
 453         struct lttng_userspace_probe_location *probe_location = NULL;
 454         const struct lttng_userspace_probe_location *probe_location_tmp = NULL;
 455         enum lttng_event_rule_status status;
 456
 457         const char *probe_name = "my_probe.";
 458         const char *tmp;
 459         struct lttng_payload payload;
 460
 461         diag("Event rule uprobe.");
 462         lttng_payload_init(&payload);
 463
 464         lookup_method = lttng_userspace_probe_location_lookup_method_function_elf_create();
 465         if (!lookup_method) {
 466                 fail("Setup error on userspace probe lookup method creation.");
 467                 goto end;
 468         }
 469
 470         probe_location = lttng_userspace_probe_location_function_create(
 471                         "/proc/self/exe",
 472                         "lttng_userspace_probe_location_tracepoint_create",
 473                         lookup_method);
 474         if (!probe_location) {
 475                 fail("Setup error on userspace probe location creation.");
 476                 goto end;
 477         }
 478
 479         /* Ownership transferred to the probe location function object. */
 480         lookup_method = NULL;
 481
 482         lttng_payload_init(&payload);
 483
 484         uprobe = lttng_event_rule_kernel_uprobe_create(probe_location);
 485         ok(uprobe, "uprobe event rule object creation.");
 486
 487         status = lttng_event_rule_kernel_uprobe_get_location(
 488                         uprobe, &probe_location_tmp);
 489         ok(status == LTTNG_EVENT_RULE_STATUS_OK,
 490                         "Getting uprobe event rule location.");
 491         ok(lttng_userspace_probe_location_is_equal(
 492                            probe_location, probe_location_tmp),
 493                         "Location is equal.");
 494
 495         status = lttng_event_rule_kernel_uprobe_set_event_name(uprobe, probe_name);
 496         ok(status == LTTNG_EVENT_RULE_STATUS_OK,
 497                         "Setting uprobe event rule name: %s.", probe_name);
 498         status = lttng_event_rule_kernel_uprobe_get_event_name(uprobe, &tmp);
 499         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "Getting uprobe name.");
 500         ok(!strcmp(probe_name, tmp), "Uprobe name are equal.");
 501
 502         ok(lttng_event_rule_serialize(uprobe, &payload) == 0, "Serializing.");
 503
 504         {
 505                 struct lttng_payload_view view =
 506                                 lttng_payload_view_from_payload(
 507                                                 &payload, 0, -1);
 508
 509                 ok(lttng_event_rule_create_from_payload(
 510                                    &view, &uprobe_from_buffer) > 0,
 511                                 "Deserializing.");
 512         }
 513
 514         ok(lttng_event_rule_is_equal(uprobe, uprobe_from_buffer),
 515                         "serialized and from buffer are equal.");
 516
 517 end:
 518         lttng_payload_reset(&payload);
 519         lttng_event_rule_destroy(uprobe);
 520         lttng_event_rule_destroy(uprobe_from_buffer);
 521         lttng_userspace_probe_location_destroy(probe_location);
 522         lttng_userspace_probe_location_lookup_method_destroy(lookup_method);
 523 }
 524
 525 static void test_event_rule_kernel_probe_by_location(
 526                 const struct lttng_kernel_probe_location *location)
 527 {
 528         struct lttng_event_rule *kprobe = NULL;
 529         struct lttng_event_rule *kprobe_from_buffer = NULL;
 530         enum lttng_event_rule_status status;
 531         const struct lttng_kernel_probe_location *_location;
 532
 533         const char *probe_name = "my_probe";
 534         const char *tmp;
 535         struct lttng_payload payload;
 536
 537         diag("Event rule kprobe for location type %d.",
 538                         lttng_kernel_probe_location_get_type(location));
 539
 540         lttng_payload_init(&payload);
 541
 542         kprobe = lttng_event_rule_kernel_kprobe_create(location);
 543         ok(kprobe, "kprobe event rule object creation.");
 544
 545         status = lttng_event_rule_kernel_kprobe_get_location(kprobe, &_location);
 546         ok(status == LTTNG_EVENT_RULE_STATUS_OK,
 547                         "Getting kprobe event rule location.");
 548         ok(lttng_kernel_probe_location_is_equal(location, _location), "Locations are equal.");
 549
 550         status = lttng_event_rule_kernel_kprobe_set_event_name(kprobe, probe_name);
 551         ok(status == LTTNG_EVENT_RULE_STATUS_OK,
 552                         "Setting kprobe event rule name: %s.", probe_name);
 553         status = lttng_event_rule_kernel_kprobe_get_event_name(kprobe, &tmp);
 554         ok(status == LTTNG_EVENT_RULE_STATUS_OK, "Getting kprobe name.");
 555         ok(!strcmp(probe_name, tmp), "kprobe name are equal.");
 556
 557         ok(lttng_event_rule_serialize(kprobe, &payload) == 0, "Serializing.");
 558
 559         {
 560                 struct lttng_payload_view view =
 561                                 lttng_payload_view_from_payload(
 562                                                 &payload, 0, -1);
 563
 564                 ok(lttng_event_rule_create_from_payload(
 565                                    &view, &kprobe_from_buffer) > 0,
 566                                 "Deserializing.");
 567         }
 568
 569         ok(lttng_event_rule_is_equal(kprobe, kprobe_from_buffer),
 570                         "serialized and from buffer are equal.");
 571
 572         lttng_payload_reset(&payload);
 573         lttng_event_rule_destroy(kprobe);
 574         lttng_event_rule_destroy(kprobe_from_buffer);
 575 }
 576
 577 static void test_event_rule_kernel_probe(void)
 578 {
 579         struct lttng_kernel_probe_location *address_location = NULL;
 580         struct lttng_kernel_probe_location *symbol_location = NULL;
 581
 582         address_location = lttng_kernel_probe_location_address_create(50);
 583         symbol_location = lttng_kernel_probe_location_symbol_create("une_bonne", 50);
 584         LTTNG_ASSERT(address_location);
 585         LTTNG_ASSERT(symbol_location);
 586
 587         test_event_rule_kernel_probe_by_location(address_location);
 588         test_event_rule_kernel_probe_by_location(symbol_location);
 589
 590         lttng_kernel_probe_location_destroy(address_location);
 591         lttng_kernel_probe_location_destroy(symbol_location);
 592 }
 593
 594 static void test_set_event_rule_log_level_rules(
 595                 struct lttng_event_rule *event_rule,
 596                 event_rule_set_log_level set_log_level,
 597                 int log_level,
 598                 enum lttng_event_rule_status *exactly_status,
 599                 enum lttng_event_rule_status *as_severe_status)
 600 {
 601         struct lttng_log_level_rule *log_level_rule;
 602
 603         log_level_rule = lttng_log_level_rule_at_least_as_severe_as_create(
 604                         log_level);
 605         LTTNG_ASSERT(log_level_rule);
 606
 607         *as_severe_status = set_log_level(
 608                         event_rule, log_level_rule);
 609         lttng_log_level_rule_destroy(log_level_rule);
 610
 611         log_level_rule = lttng_log_level_rule_exactly_create(log_level);
 612         LTTNG_ASSERT(log_level_rule);
 613
 614         *exactly_status = set_log_level(
 615                         event_rule, log_level_rule);
 616         lttng_log_level_rule_destroy(log_level_rule);
 617 }
 618
 619 static void test_event_rule_log_level_generic(enum lttng_event_rule_type event_rule_type,
 620                 log_level_name_getter get_log_level_name,
 621                 event_rule_create create_event_rule,
 622                 event_rule_set_log_level set_log_level,
 623                 const int tagged_log_level_values[],
 624                 size_t tagged_log_level_values_count,
 625                 const int valid_log_level_values[],
 626                 size_t valid_log_level_values_count,
 627                 const int invalid_log_level_values[],
 628                 size_t invalid_log_level_values_count)
 629 {
 630         size_t i;
 631         struct lttng_event_rule *rule;
 632         enum lttng_event_rule_status er_exactly_status, er_as_severe_status;
 633         const char *event_rule_type_str = lttng_event_rule_type_str(event_rule_type);
 634
 635
 636         diag("Test %s event rule + log level rule", event_rule_type_str);
 637
 638         rule = create_event_rule();
 639         LTTNG_ASSERT(rule);
 640
 641         for (i = 0; i < tagged_log_level_values_count; i++) {
 642                 const int tagged_log_level_value = tagged_log_level_values[i];
 643
 644                 test_set_event_rule_log_level_rules(rule, set_log_level,
 645                                 tagged_log_level_value,
 646                                 &er_exactly_status, &er_as_severe_status);
 647                 ok(er_exactly_status == LTTNG_EVENT_RULE_STATUS_OK,
 648                                 "Log level rule \"exactly\" accepted by %s event rule: level = %s",
 649                                 event_rule_type_str,
 650                                 get_log_level_name(
 651                                                 tagged_log_level_value));
 652                 ok(er_as_severe_status == LTTNG_EVENT_RULE_STATUS_OK,
 653                                 "Log level rule \"as least as severe as\" accepted by %s event rule: level = %s",
 654                                 event_rule_type_str,
 655                                 get_log_level_name(
 656                                                 tagged_log_level_value));
 657         }
 658
 659         for (i = 0; i < valid_log_level_values_count; i++) {
 660                 const int valid_log_level_value = valid_log_level_values[i];
 661
 662                 test_set_event_rule_log_level_rules(rule, set_log_level,
 663                                 valid_log_level_value,
 664                                 &er_exactly_status, &er_as_severe_status);
 665                 ok(er_exactly_status == LTTNG_EVENT_RULE_STATUS_OK,
 666                                 "Log level rule \"exactly\" accepted by %s event rule: level = %d",
 667                                 event_rule_type_str,
 668                                 valid_log_level_value);
 669                 ok(er_as_severe_status == LTTNG_EVENT_RULE_STATUS_OK,
 670                                 "Log level rule \"as least as severe as\" accepted by %s event rule: level = %d",
 671                                 event_rule_type_str,
 672                                 valid_log_level_value);
 673         }
 674
 675         for (i = 0; i < invalid_log_level_values_count; i++) {
 676                 const int invalid_log_level_value = invalid_log_level_values[i];
 677
 678                 test_set_event_rule_log_level_rules(rule, set_log_level,
 679                                 invalid_log_level_value,
 680                                 &er_exactly_status, &er_as_severe_status);
 681                 ok(er_exactly_status == LTTNG_EVENT_RULE_STATUS_INVALID,
 682                                 "Log level rule \"exactly\" rejected by %s event rule: level = %d",
 683                                 event_rule_type_str,
 684                                 invalid_log_level_value);
 685                 ok(er_as_severe_status == LTTNG_EVENT_RULE_STATUS_INVALID,
 686                                 "Log level rule \"as least as severe as\" rejected by %s event rule: level = %d",
 687                                 event_rule_type_str,
 688                                 invalid_log_level_value);
 689         }
 690
 691         lttng_event_rule_destroy(rule);
 692 }
 693
 694 static void test_event_rule_log_level_ust(void)
 695 {
 696         const int tagged_log_level_values[] = {
 697                 LTTNG_LOGLEVEL_EMERG,
 698                 LTTNG_LOGLEVEL_ALERT,
 699                 LTTNG_LOGLEVEL_CRIT,
 700                 LTTNG_LOGLEVEL_ERR,
 701                 LTTNG_LOGLEVEL_WARNING,
 702                 LTTNG_LOGLEVEL_NOTICE,
 703                 LTTNG_LOGLEVEL_INFO,
 704                 LTTNG_LOGLEVEL_DEBUG_SYSTEM,
 705                 LTTNG_LOGLEVEL_DEBUG_PROGRAM,
 706                 LTTNG_LOGLEVEL_DEBUG_PROCESS,
 707                 LTTNG_LOGLEVEL_DEBUG_MODULE,
 708                 LTTNG_LOGLEVEL_DEBUG_UNIT,
 709                 LTTNG_LOGLEVEL_DEBUG_FUNCTION,
 710                 LTTNG_LOGLEVEL_DEBUG_LINE,
 711                 LTTNG_LOGLEVEL_DEBUG,
 712         };
 713         const int invalid_log_level_values[] = {
 714                 -1980,
 715                 1995,
 716                 LTTNG_LOGLEVEL_DEBUG + 1,
 717                 LTTNG_LOGLEVEL_EMERG - 1,
 718         };
 719
 720         test_event_rule_log_level_generic(LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT,
 721                         loglevel_value_to_name,
 722                         lttng_event_rule_user_tracepoint_create,
 723                         lttng_event_rule_user_tracepoint_set_log_level_rule,
 724                         tagged_log_level_values,
 725                         ARRAY_SIZE(tagged_log_level_values), NULL, 0,
 726                         invalid_log_level_values,
 727                         ARRAY_SIZE(invalid_log_level_values));
 728 }
 729
 730 static void test_event_rule_log_level_jul(void)
 731 {
 732         const int tagged_log_level_values[] = {
 733                 LTTNG_LOGLEVEL_JUL_OFF,
 734                 LTTNG_LOGLEVEL_JUL_SEVERE,
 735                 LTTNG_LOGLEVEL_JUL_WARNING,
 736                 LTTNG_LOGLEVEL_JUL_INFO,
 737                 LTTNG_LOGLEVEL_JUL_CONFIG,
 738                 LTTNG_LOGLEVEL_JUL_FINE,
 739                 LTTNG_LOGLEVEL_JUL_FINER,
 740                 LTTNG_LOGLEVEL_JUL_FINEST,
 741                 LTTNG_LOGLEVEL_JUL_ALL,
 742         };
 743         const int valid_log_level_values[] = {
 744                 0,
 745                 -1980,
 746                 1995
 747         };
 748
 749         test_event_rule_log_level_generic(LTTNG_EVENT_RULE_TYPE_JUL_LOGGING,
 750                         loglevel_jul_value_to_name,
 751                         lttng_event_rule_jul_logging_create,
 752                         lttng_event_rule_jul_logging_set_log_level_rule,
 753                         tagged_log_level_values,
 754                         ARRAY_SIZE(tagged_log_level_values),
 755                         valid_log_level_values,
 756                         ARRAY_SIZE(valid_log_level_values), NULL, 0);
 757 }
 758
 759 static void test_event_rule_log_level_log4j(void)
 760 {
 761         const int tagged_log_level_values[] = {
 762                 LTTNG_LOGLEVEL_LOG4J_OFF,
 763                 LTTNG_LOGLEVEL_LOG4J_FATAL,
 764                 LTTNG_LOGLEVEL_LOG4J_ERROR,
 765                 LTTNG_LOGLEVEL_LOG4J_WARN,
 766                 LTTNG_LOGLEVEL_LOG4J_INFO,
 767                 LTTNG_LOGLEVEL_LOG4J_DEBUG,
 768                 LTTNG_LOGLEVEL_LOG4J_TRACE,
 769                 LTTNG_LOGLEVEL_LOG4J_ALL,
 770         };
 771         const int valid_log_level_values[] = {
 772                 0
 773                 -1980,
 774                 1995
 775         };
 776
 777         test_event_rule_log_level_generic(LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING,
 778                         loglevel_log4j_value_to_name,
 779                         lttng_event_rule_log4j_logging_create,
 780                         lttng_event_rule_log4j_logging_set_log_level_rule,
 781                         tagged_log_level_values,
 782                         ARRAY_SIZE(tagged_log_level_values),
 783                         valid_log_level_values,
 784                         ARRAY_SIZE(valid_log_level_values), NULL, 0);
 785 }
 786
 787 static void test_event_rule_log_level_python(void)
 788 {
 789         const int tagged_log_level_values[] = {
 790                 LTTNG_LOGLEVEL_PYTHON_CRITICAL,
 791                 LTTNG_LOGLEVEL_PYTHON_ERROR,
 792                 LTTNG_LOGLEVEL_PYTHON_WARNING,
 793                 LTTNG_LOGLEVEL_PYTHON_INFO,
 794                 LTTNG_LOGLEVEL_PYTHON_DEBUG,
 795                 LTTNG_LOGLEVEL_PYTHON_NOTSET,
 796         };
 797         const int valid_log_level_values[] = {
 798                 45,
 799                 35,
 800                 0,
 801                 -657,
 802         };
 803
 804         test_event_rule_log_level_generic(LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING,
 805                         loglevel_python_value_to_name,
 806                         lttng_event_rule_python_logging_create,
 807                         lttng_event_rule_python_logging_set_log_level_rule,
 808                         tagged_log_level_values,
 809                         ARRAY_SIZE(tagged_log_level_values),
 810                         valid_log_level_values,
 811                         ARRAY_SIZE(valid_log_level_values),
 812                         NULL, 0);
 813 }
 814
 815 int main(void)
 816 {
 817         plan_tests(NUM_TESTS);
 818         test_event_rule_kernel_tracepoint();
 819         test_event_rule_user_tracepoint();
 820         test_event_rule_syscall();
 821         test_event_rule_userspace_probe();
 822         test_event_rule_kernel_probe();
 823         test_event_rule_log4j_logging();
 824         test_event_rule_jul_logging();
 825         test_event_rule_python_logging();
 826         test_event_rule_log_level_ust();
 827         test_event_rule_log_level_jul();
 828         test_event_rule_log_level_log4j();
 829         test_event_rule_log_level_python();
 830         return exit_status();
 831 }