+/*
+ * Validate string. Expected value is "test".
+ */
+static int validate_string_test(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ int ret;
+ const char *expect = "test";
+
+ /* Unused */
+ (void) iteration;
+
+ ret = validate_string(event_field, expect);
+ return ret;
+}
+
+/*
+ * Validate escaped string. Expected value is "\*".
+ */
+static int validate_string_escaped(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ int ret;
+ const char *expect = "\\*";
+
+ /* Unused */
+ (void) iteration;
+
+ ret = validate_string(event_field, expect);
+ return ret;
+}
+
+/*
+ * Validate real field.
+ */
+static int validate_real(
+ const struct lttng_event_field_value *event_field,
+ double expect)
+{
+ int ret;
+ double value;
+ enum lttng_event_field_value_status status;
+
+ ret = validate_type(event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_REAL);
+ if (ret) {
+ goto end;
+ }
+
+ status = lttng_event_field_value_real_get_value(event_field, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_real_get_value");
+ ret = 1;
+ goto end;
+ }
+
+ ret = (value == expect);
+ ok(ret, "Real expected: %f got: %f", expect, value);
+
+ ret = !ret;
+end:
+ return ret;
+}
+
+/*
+ * Validate floatfield.
+ */
+static int validate_floatfield(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ int ret;
+ double expect = 2222.0;
+
+ /* Unused */
+ (void) iteration;
+
+ ret = validate_real(event_field, expect);
+ return ret;
+}
+
+/*
+ * Validate doublefield.
+ */
+static int validate_doublefield(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ int ret;
+ double expect = 2.0;
+
+ /* Unused */
+ (void) iteration;
+
+ ret = validate_real(event_field, expect);
+ return ret;
+}
+
+/*
+ * Validate enum0: enum0 = ( "AUTO: EXPECT 0" : container = 0 )
+ */
+static int validate_enum0(const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ int ret;
+ enum lttng_event_field_value_status status;
+ uint64_t value;
+ uint64_t expected_value = 0;
+
+ /* Unused */
+ (void) iteration;
+
+ ret = validate_type(event_field,
+ LTTNG_EVENT_FIELD_VALUE_TYPE_UNSIGNED_ENUM);
+ if (ret) {
+ goto end;
+ }
+
+ status = lttng_event_field_value_unsigned_int_get_value(
+ event_field, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_unsigned_int_get_value");
+ ret = 1;
+ goto end;
+ }
+
+ ok(value == expected_value,
+ "Enum value expected: %" PRIu64 " got %" PRIu64,
+ expected_value, value);
+
+end:
+ return ret;
+}
+
+/*
+ * Validate enumnegative: enumnegative = ( "AUTO: EXPECT 0" : container = 0 )
+ *
+ * We expect 2 labels here.
+ */
+static int validate_enumnegative(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ int ret;
+ enum lttng_event_field_value_status status;
+ int64_t value;
+ int64_t expected_value = -1;
+
+ /* Unused */
+ (void) iteration;
+
+ ret = validate_type(
+ event_field, LTTNG_EVENT_FIELD_VALUE_TYPE_SIGNED_ENUM);
+ if (ret) {
+ goto end;
+ }
+
+ status = lttng_event_field_value_signed_int_get_value(
+ event_field, &value);
+ if (status != LTTNG_EVENT_FIELD_VALUE_STATUS_OK) {
+ fail("lttng_event_field_value_unsigned_int_get_value");
+ ret = 1;
+ goto end;
+ }
+
+ ok(value == expected_value,
+ "Enum value expected: %" PRId64 " got %" PRId64,
+ expected_value, value);
+
+end:
+ return ret;
+}
+
+static int validate_context_procname_ust(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ int ret;
+
+ /* Unused */
+ (void) iteration;
+
+ ret = validate_string(event_field, "gen-ust-events");
+ return ret;
+}
+
+static int validate_context_procname_kernel(
+ const struct lttng_event_field_value *event_field,
+ unsigned int iteration)
+{
+ int ret;
+
+ /* Unused */
+ (void) iteration;
+
+ ret = validate_string(event_field, "echo");
+ return ret;
+}
+
+struct capture_base_field_tuple test_capture_base_fields[] = {
+ {"DOESNOTEXIST", FIELD_TYPE_PAYLOAD, false, false, NULL, NULL},
+ {"intfield", FIELD_TYPE_PAYLOAD, true, true, validate_unsigned_int_field, validate_unsigned_int_field},
+ {"longfield", FIELD_TYPE_PAYLOAD, true, true, validate_unsigned_int_field, validate_unsigned_int_field},
+ {"signedfield", FIELD_TYPE_PAYLOAD, true, true, validate_signed_int_field, validate_signed_int_field},
+ {"arrfield1", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field},
+ {"arrfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test},
+ {"arrfield3", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field},
+ {"seqfield1", FIELD_TYPE_PAYLOAD, true, true, validate_seqfield1, validate_seqfield1},
+ {"seqfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test},
+ {"seqfield3", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field},
+ {"seqfield4", FIELD_TYPE_PAYLOAD, true, true, validate_array_unsigned_int_field, validate_array_unsigned_int_field},
+ {"arrfield1[1]", FIELD_TYPE_ARRAY_FIELD, true, true, validate_array_unsigned_int_field_at_index, validate_array_unsigned_int_field_at_index},
+ {"stringfield", FIELD_TYPE_PAYLOAD, true, true, validate_string_test, validate_string_test},
+ {"stringfield2", FIELD_TYPE_PAYLOAD, true, true, validate_string_escaped, validate_string_escaped},
+ {"floatfield", FIELD_TYPE_PAYLOAD, true, false, validate_floatfield, validate_floatfield},
+ {"doublefield", FIELD_TYPE_PAYLOAD, true, false, validate_doublefield, validate_doublefield},
+ {"enum0", FIELD_TYPE_PAYLOAD, true, true, validate_enum0, validate_enum0},
+ {"enumnegative", FIELD_TYPE_PAYLOAD, true, true, validate_enumnegative, validate_enumnegative},
+ {"$ctx.procname", FIELD_TYPE_CONTEXT, true, true, validate_context_procname_ust, validate_context_procname_kernel},
+};
+
+static const char *get_notification_trigger_name(
+ struct lttng_notification *notification)
+{
+ const char *name = NULL;
+ enum lttng_evaluation_status status;
+ const struct lttng_evaluation *evaluation;
+ evaluation = lttng_notification_get_evaluation(notification);
+ if (evaluation == NULL) {
+ fail("lttng_notification_get_evaluation");
+ goto end;
+ }
+
+ switch (lttng_evaluation_get_type(evaluation)) {
+ case LTTNG_CONDITION_TYPE_EVENT_RULE_HIT:
+ {
+ status = lttng_evaluation_event_rule_get_trigger_name(
+ evaluation, &name);
+ if (status != LTTNG_EVALUATION_STATUS_OK) {
+ fail("lttng_evaluation_event_rule_get_trigger_name");
+ name = NULL;
+ goto end;
+ }
+ break;
+ }
+ default:
+ fail("Wrong notification evaluation type \n");
+ goto end;
+ }
+end:
+ return name;
+}
+
+static int validator_notification_trigger_name(
+ struct lttng_notification *notification,
+ const char *trigger_name)
+{
+ int ret;
+ bool name_is_equal;
+ const char *name;
+
+ assert(notification);
+ assert(trigger_name);
+
+ name = get_notification_trigger_name(notification);
+ if (name == NULL) {
+ ret = 1;
+ goto end;
+ }
+
+ name_is_equal = (strcmp(trigger_name, name) == 0);
+ ok(name_is_equal, "Expected trigger name: %s got %s", trigger_name,
+ name);
+
+ ret = !name_is_equal;
+
+end:
+ return ret;
+}
+
+static
+void wait_on_file(const char *path, bool file_exist)
+{
+ if (!path) {
+ return;
+ }
+ for (;;) {
+ int ret;
+ struct stat buf;
+
+ ret = stat(path, &buf);
+ if (ret == -1 && errno == ENOENT) {
+ if (file_exist) {
+ /*
+ * The file does not exist. wait a bit and
+ * continue looping until it does.
+ */
+ (void) poll(NULL, 0, 10);
+ continue;
+ }
+
+ /*
+ * File does not exist and the exit condition we want.
+ * Break from the loop and return.
+ */
+ break;
+ }
+ if (ret) {
+ perror("stat");
+ exit(EXIT_FAILURE);
+ }
+ /*
+ * stat() returned 0, so the file exists. break now only if
+ * that's the exit condition we want.
+ */
+ if (file_exist) {
+ break;
+ }
+ }
+}
+
+static
+int write_pipe(const char *path, uint8_t data)
+{
+ int ret = 0;
+ int fd = 0;
+
+ fd = open(path, O_WRONLY | O_NONBLOCK);
+ if (fd < 0) {
+ perror("Could not open consumer control named pipe");
+ goto end;
+ }
+
+ ret = write(fd, &data , sizeof(data));
+ if (ret < 1) {
+ perror("Named pipe write failed");
+ if (close(fd)) {
+ perror("Named pipe close failed");
+ }
+ ret = -1;
+ goto end;
+ }
+
+ ret = close(fd);
+ if (ret < 0) {
+ perror("Name pipe closing failed");
+ ret = -1;
+ goto end;
+ }
+end:
+ return ret;
+}
+
+static
+int stop_consumer(const char **argv)
+{
+ int ret = 0, i;
+
+ for (i = named_pipe_args_start; i < nb_args; i++) {
+ ret = write_pipe(argv[i], 49);
+ }
+ return ret;
+}
+
+static
+int resume_consumer(const char **argv)
+{
+ int ret = 0, i;
+
+ for (i = named_pipe_args_start; i < nb_args; i++) {
+ ret = write_pipe(argv[i], 0);
+ }
+ return ret;
+}
+
+static
+int suspend_application(void)
+{
+ int ret;
+ struct stat buf;
+
+ if (!stat(app_state_file, &buf)) {
+ fail("App is already in a suspended state.");
+ ret = -1;
+ goto error;
+ }
+
+ /*
+ * Send SIGUSR1 to application instructing it to bypass tracepoint.
+ */
+ assert(app_pid > 1);
+
+ ret = kill(app_pid, SIGUSR1);
+ if (ret) {
+ fail("SIGUSR1 failed. errno %d", errno);
+ ret = -1;
+ goto error;
+ }
+
+ wait_on_file(app_state_file, true);
+
+error:
+ return ret;
+
+}
+
+static
+int resume_application()
+{
+ int ret;
+ struct stat buf;
+
+ ret = stat(app_state_file, &buf);
+ if (ret == -1 && errno == ENOENT) {
+ fail("State file does not exist");
+ goto error;
+ }
+ if (ret) {
+ perror("stat");
+ goto error;
+ }
+
+ assert(app_pid > 1);
+
+ ret = kill(app_pid, SIGUSR1);
+ if (ret) {
+ fail("SIGUSR1 failed. errno %d", errno);
+ ret = -1;
+ goto error;
+ }
+
+ wait_on_file(app_state_file, false);
+
+error:
+ return ret;
+
+}
+
+
+static
+void test_triggers_buffer_usage_condition(const char *session_name,
+ const char *channel_name,
+ enum lttng_domain_type domain_type,
+ enum lttng_condition_type condition_type)
+{
+ unsigned int test_vector_size = 5, i;
+ enum lttng_condition_status condition_status;
+ struct lttng_action *action;
+
+ /* Set-up */
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Setup error on action creation");
+ goto end;
+ }
+
+ /* Test lttng_register_trigger with null value */
+ ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected");
+
+ /* Test: register a trigger */
+
+ for (i = 0; i < pow(2,test_vector_size); i++) {
+ int loop_ret = 0;
+ char *test_tuple_string = NULL;
+ unsigned int mask_position = 0;
+ bool session_name_set = false;
+ bool channel_name_set = false;
+ bool threshold_ratio_set = false;
+ bool threshold_byte_set = false;
+ bool domain_type_set = false;
+
+ struct lttng_trigger *trigger = NULL;
+ struct lttng_condition *condition = NULL;
+
+ /* Create base condition */
+ switch (condition_type) {
+ case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW:
+ condition = lttng_condition_buffer_usage_low_create();
+ break;
+ case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH:
+ condition = lttng_condition_buffer_usage_high_create();
+ break;
+ default:
+ loop_ret = 1;
+ goto loop_end;
+ }
+
+ if (!condition) {
+ loop_ret = 1;
+ goto loop_end;
+
+ }
+
+ /* Prepare the condition for trigger registration test */
+
+ /* Set session name */
+ if ((1 << mask_position) & i) {
+ condition_status = lttng_condition_buffer_usage_set_session_name(
+ condition, session_name);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+ session_name_set = true;
+ }
+ mask_position++;
+
+ /* Set channel name */
+ if ((1 << mask_position) & i) {
+ condition_status = lttng_condition_buffer_usage_set_channel_name(
+ condition, channel_name);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+ channel_name_set = true;
+ }
+ mask_position++;
+
+ /* Set threshold ratio */
+ if ((1 << mask_position) & i) {
+ condition_status = lttng_condition_buffer_usage_set_threshold_ratio(
+ condition, 0.0);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+ threshold_ratio_set = true;
+ }
+ mask_position++;
+
+ /* Set threshold byte */
+ if ((1 << mask_position) & i) {
+ condition_status = lttng_condition_buffer_usage_set_threshold(
+ condition, 0);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+ threshold_byte_set = true;
+ }
+ mask_position++;
+
+ /* Set domain type */
+ if ((1 << mask_position) & i) {
+ condition_status = lttng_condition_buffer_usage_set_domain_type(
+ condition, LTTNG_DOMAIN_UST);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+ domain_type_set = true;
+ }
+
+ /* Safety check */
+ if (mask_position != test_vector_size -1) {
+ assert("Logic error for test vector generation");
+ }
+
+ loop_ret = asprintf(&test_tuple_string, "session name %s, channel name %s, threshold ratio %s, threshold byte %s, domain type %s",
+ session_name_set ? "set" : "unset",
+ channel_name_set ? "set" : "unset",
+ threshold_ratio_set ? "set" : "unset",
+ threshold_byte_set ? "set" : "unset",
+ domain_type_set? "set" : "unset");
+ if (!test_tuple_string || loop_ret < 0) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+
+ /* Create trigger */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ loop_ret = 1;
+ goto loop_end;
+ }
+
+ loop_ret = lttng_register_trigger(trigger);
+
+loop_end:
+ if (loop_ret == 1) {
+ fail("Setup error occurred for tuple: %s", test_tuple_string);
+ goto loop_cleanup;
+ }
+
+ /* This combination happens three times */
+ if (session_name_set && channel_name_set
+ && (threshold_ratio_set || threshold_byte_set)
+ && domain_type_set) {
+ ok(loop_ret == 0, "Trigger is registered: %s", test_tuple_string);
+
+ /*
+ * Test that a trigger cannot be registered
+ * multiple time.
+ */
+ loop_ret = lttng_register_trigger(trigger);
+ ok(loop_ret == -LTTNG_ERR_TRIGGER_EXISTS, "Re-register trigger fails as expected: %s", test_tuple_string);
+
+ /* Test that a trigger can be unregistered */
+ loop_ret = lttng_unregister_trigger(trigger);
+ ok(loop_ret == 0, "Unregister trigger: %s", test_tuple_string);
+
+ /*
+ * Test that unregistration of a non-previously
+ * registered trigger fail.
+ */
+ loop_ret = lttng_unregister_trigger(trigger);
+ ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registered trigger fails as expected: %s", test_tuple_string);
+ } else {
+ ok(loop_ret == -LTTNG_ERR_INVALID_TRIGGER, "Trigger is invalid as expected and cannot be registered: %s", test_tuple_string);
+ }
+
+loop_cleanup:
+ free(test_tuple_string);
+ lttng_trigger_destroy(trigger);
+ lttng_condition_destroy(condition);
+ }
+
+end:
+ lttng_action_destroy(action);
+}
+
+static
+void wait_data_pending(const char *session_name)
+{
+ int ret;
+
+ do {
+ ret = lttng_data_pending(session_name);
+ assert(ret >= 0);
+ } while (ret != 0);
+}
+
+static
+int setup_buffer_usage_condition(struct lttng_condition *condition,
+ const char *condition_name,
+ const char *session_name,
+ const char *channel_name,
+ const enum lttng_domain_type domain_type)
+{
+ enum lttng_condition_status condition_status;
+ int ret = 0;
+
+ condition_status = lttng_condition_buffer_usage_set_session_name(
+ condition, session_name);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Error setting session name on %s creation", condition_name);
+ ret = -1;
+ goto end;
+ }
+
+ condition_status = lttng_condition_buffer_usage_set_channel_name(
+ condition, channel_name);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Error setting channel name on %s creation", condition_name);
+ ret = -1;
+ goto end;
+ }
+
+ condition_status = lttng_condition_buffer_usage_set_domain_type(
+ condition, domain_type);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Error setting domain type on %s creation", condition_name);
+ ret = -1;
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+static
+void test_invalid_channel_subscription(
+ const enum lttng_domain_type domain_type)
+{
+ enum lttng_condition_status condition_status;
+ enum lttng_notification_channel_status nc_status;
+ struct lttng_condition *dummy_condition = NULL;
+ struct lttng_condition *dummy_invalid_condition = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ int ret = 0;
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+ if (!notification_channel) {
+ goto end;
+ }
+
+ /*
+ * Create a dummy, empty (thus invalid) condition to test error paths.
+ */
+ dummy_invalid_condition = lttng_condition_buffer_usage_low_create();
+ if (!dummy_invalid_condition) {
+ fail("Setup error on condition creation");
+ goto end;
+ }
+
+ /*
+ * Test subscription and unsubscription of an invalid condition to/from
+ * a channel.
+ */
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, dummy_invalid_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
+ "Subscribing to an invalid condition");
+
+ nc_status = lttng_notification_channel_unsubscribe(
+ notification_channel, dummy_invalid_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
+ "Unsubscribing from an invalid condition");
+
+ /* Create a valid dummy condition with a ratio of 0.5 */
+ dummy_condition = lttng_condition_buffer_usage_low_create();
+ if (!dummy_condition) {
+ fail("Setup error on dummy_condition creation");
+ goto end;
+ }
+
+ condition_status = lttng_condition_buffer_usage_set_threshold_ratio(
+ dummy_condition, 0.5);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Setup error on condition creation");
+ goto end;
+ }
+
+ ret = setup_buffer_usage_condition(dummy_condition, "dummy_condition",
+ "dummy_session", "dummy_channel", domain_type);
+ if (ret) {
+ fail("Setup error on dummy condition creation");
+ goto end;
+ }
+
+ /*
+ * Test subscription and unsubscription to/from a channel with invalid
+ * parameters.
+ */
+ nc_status = lttng_notification_channel_subscribe(NULL, NULL);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
+ "Notification channel subscription is invalid: NULL, NULL");
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, NULL);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
+ "Notification channel subscription is invalid: NON-NULL, NULL");
+
+ nc_status = lttng_notification_channel_subscribe(NULL, dummy_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID,
+ "Notification channel subscription is invalid: NULL, NON-NULL");
+
+ nc_status = lttng_notification_channel_unsubscribe(
+ notification_channel, dummy_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_UNKNOWN_CONDITION,
+ "Unsubscribing from a valid unknown condition");
+
+end:
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_condition_destroy(dummy_invalid_condition);
+ lttng_condition_destroy(dummy_condition);
+ return;
+}
+
+enum buffer_usage_type {
+ BUFFER_USAGE_TYPE_LOW,
+ BUFFER_USAGE_TYPE_HIGH,
+};
+
+static int register_buffer_usage_notify_trigger(const char *session_name,
+ const char *channel_name,
+ const enum lttng_domain_type domain_type,
+ enum buffer_usage_type buffer_usage_type,
+ double ratio,
+ struct lttng_condition **condition,
+ struct lttng_action **action,
+ struct lttng_trigger **trigger)
+{
+ enum lttng_condition_status condition_status;
+ struct lttng_action *tmp_action = NULL;
+ struct lttng_condition *tmp_condition = NULL;
+ struct lttng_trigger *tmp_trigger = NULL;
+ int ret = 0;
+
+ /* Set-up */
+ tmp_action = lttng_action_notify_create();
+ if (!action) {
+ fail("Setup error on action creation");
+ ret = -1;
+ goto error;
+ }
+
+ if (buffer_usage_type == BUFFER_USAGE_TYPE_LOW) {
+ tmp_condition = lttng_condition_buffer_usage_low_create();
+ } else {
+ tmp_condition = lttng_condition_buffer_usage_high_create();
+ }
+
+ if (!tmp_condition) {
+ fail("Setup error on condition creation");
+ ret = -1;
+ goto error;
+ }
+
+ /* Set the buffer usage threashold */
+ condition_status = lttng_condition_buffer_usage_set_threshold_ratio(
+ tmp_condition, ratio);
+ if (condition_status != LTTNG_CONDITION_STATUS_OK) {
+ fail("Setup error on condition creation");
+ ret = -1;
+ goto error;
+ }
+
+ ret = setup_buffer_usage_condition(tmp_condition, "condition_name",
+ session_name, channel_name, domain_type);
+ if (ret) {
+ fail("Setup error on condition creation");
+ ret = -1;
+ goto error;
+ }
+
+ /* Register the triggers for condition */
+ tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action);
+ if (!tmp_trigger) {
+ fail("Setup error on trigger creation");
+ ret = -1;
+ goto error;
+ }
+
+ ret = lttng_register_trigger(tmp_trigger);
+ if (ret) {
+ fail("Setup error on trigger registration");
+ ret = -1;
+ goto error;
+ }
+
+ *condition = tmp_condition;
+ *trigger = tmp_trigger;
+ *action = tmp_action;
+ goto end;
+
+error:
+ lttng_action_destroy(tmp_action);
+ lttng_condition_destroy(tmp_condition);
+ lttng_trigger_destroy(tmp_trigger);
+
+end:
+ return ret;
+}
+
+static void test_subscription_twice(const char *session_name,
+ const char *channel_name,
+ const enum lttng_domain_type domain_type)
+{
+ int ret = 0;
+ enum lttng_notification_channel_status nc_status;
+
+ struct lttng_action *action = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *trigger = NULL;
+
+ struct lttng_condition *condition = NULL;
+
+ ret = register_buffer_usage_notify_trigger(session_name, channel_name,
+ domain_type, BUFFER_USAGE_TYPE_LOW, 0.99, &condition,
+ &action, &trigger);
+ if (ret) {
+ fail("Setup error on trigger registration");
+ goto end;
+ }
+
+ /* Begin testing. */
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+ if (!notification_channel) {
+ goto end;
+ }
+
+ /* Subscribe a valid condition. */
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to condition");
+
+ /* Subscribing again should fail. */
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED,
+ "Subscribe to a condition for which subscription was already done");
+
+end:
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_action_destroy(action);
+ lttng_condition_destroy(condition);
+}
+
+static void test_buffer_usage_notification_channel(const char *session_name,
+ const char *channel_name,
+ const enum lttng_domain_type domain_type,
+ const char **argv)
+{
+ int ret = 0;
+ enum lttng_notification_channel_status nc_status;
+
+ struct lttng_action *low_action = NULL;
+ struct lttng_action *high_action = NULL;
+ struct lttng_notification *notification = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *low_trigger = NULL;
+ struct lttng_trigger *high_trigger = NULL;
+
+ struct lttng_condition *low_condition = NULL;
+ struct lttng_condition *high_condition = NULL;
+
+ double low_ratio = 0.0;
+ /* This is not 99 since we can end up in scenario where an event is
+ * bigger than 1% of the buffer and hence the buffer ratio will never
+ * trigger since the event will always be discarder by the tracer.
+ */
+
+ double high_ratio = 0.90;
+
+ ret = register_buffer_usage_notify_trigger(session_name, channel_name,
+ domain_type, BUFFER_USAGE_TYPE_LOW, low_ratio,
+ &low_condition, &low_action, &low_trigger);
+ if (ret) {
+ fail("Setup error on low trigger registration");
+ goto end;
+ }
+
+ ret = register_buffer_usage_notify_trigger(session_name, channel_name,
+ domain_type, BUFFER_USAGE_TYPE_HIGH, high_ratio,
+ &high_condition, &high_action, &high_trigger);
+ if (ret) {
+ fail("Setup error on high trigger registration");
+ goto end;
+ }
+
+ /* Begin testing */
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+ if (!notification_channel) {
+ goto end;
+ }
+
+ /* Subscribe a valid low condition */
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, low_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to low condition");
+
+ /* Subscribe a valid high condition */
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, high_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to high condition");
+
+ resume_application();
+
+ /* Wait for notification to happen */
+ stop_consumer(argv);
+ lttng_start_tracing(session_name);
+
+ /* Wait for high notification */
+ nc_status = lttng_notification_channel_get_next_notification(
+ notification_channel, ¬ification);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
+ lttng_condition_get_type(lttng_notification_get_condition(
+ notification)) ==
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
+ "High notification received after intermediary communication");
+ lttng_notification_destroy(notification);
+ notification = NULL;
+
+ suspend_application();
+ lttng_stop_tracing_no_wait(session_name);
+ resume_consumer(argv);
+ wait_data_pending(session_name);
+
+ /*
+ * Test that communication still work even if there is notification
+ * waiting for consumption.
+ */
+
+ nc_status = lttng_notification_channel_unsubscribe(
+ notification_channel, low_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Unsubscribe with pending notification");
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, low_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe with pending notification");
+
+ nc_status = lttng_notification_channel_get_next_notification(
+ notification_channel, ¬ification);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
+ lttng_condition_get_type(lttng_notification_get_condition(
+ notification)) ==
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW,
+ "Low notification received after intermediary communication");
+ lttng_notification_destroy(notification);
+ notification = NULL;
+
+ /* Stop consumer to force a high notification */
+ stop_consumer(argv);
+ resume_application();
+ lttng_start_tracing(session_name);
+
+ nc_status = lttng_notification_channel_get_next_notification(
+ notification_channel, ¬ification);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
+ lttng_condition_get_type(lttng_notification_get_condition(
+ notification)) ==
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
+ "High notification received after intermediary communication");
+ lttng_notification_destroy(notification);
+ notification = NULL;
+
+ suspend_application();
+ lttng_stop_tracing_no_wait(session_name);
+ resume_consumer(argv);
+ wait_data_pending(session_name);
+
+ nc_status = lttng_notification_channel_get_next_notification(
+ notification_channel, ¬ification);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
+ lttng_condition_get_type(lttng_notification_get_condition(
+ notification)) ==
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW,
+ "Low notification received after re-subscription");
+ lttng_notification_destroy(notification);
+ notification = NULL;
+
+ stop_consumer(argv);
+ resume_application();
+ /* Stop consumer to force a high notification */
+ lttng_start_tracing(session_name);
+
+ nc_status = lttng_notification_channel_get_next_notification(
+ notification_channel, ¬ification);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification &&
+ lttng_condition_get_type(lttng_notification_get_condition(
+ notification)) ==
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH,
+ "High notification");
+ lttng_notification_destroy(notification);
+ notification = NULL;
+
+ suspend_application();
+
+ /* Resume consumer to allow event consumption */
+ lttng_stop_tracing_no_wait(session_name);
+ resume_consumer(argv);
+ wait_data_pending(session_name);
+
+ nc_status = lttng_notification_channel_unsubscribe(
+ notification_channel, low_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Unsubscribe low condition with pending notification");
+
+ nc_status = lttng_notification_channel_unsubscribe(
+ notification_channel, high_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Unsubscribe high condition with pending notification");
+
+end:
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_trigger_destroy(low_trigger);
+ lttng_trigger_destroy(high_trigger);
+ lttng_action_destroy(low_action);
+ lttng_action_destroy(high_action);
+ lttng_condition_destroy(low_condition);
+ lttng_condition_destroy(high_condition);
+}
+
+static void create_tracepoint_event_rule_trigger(const char *event_pattern,
+ const char *trigger_name,
+ const char *filter,
+ unsigned int exclusion_count,
+ const char **exclusions,
+ enum lttng_domain_type domain_type,
+ condition_capture_desc_cb capture_desc_cb,
+ struct lttng_condition **condition,
+ struct lttng_action **action,
+ struct lttng_trigger **trigger)
+{
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+
+ struct lttng_action *tmp_action = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_condition *tmp_condition = NULL;
+ struct lttng_trigger *tmp_trigger = NULL;
+ int ret;
+
+ assert(event_pattern);
+ assert(trigger_name);
+ assert(condition);
+ assert(trigger);
+
+ event_rule = lttng_event_rule_tracepoint_create(domain_type);
+ ok(event_rule, "Tracepoint event rule object creation");
+
+ event_rule_status = lttng_event_rule_tracepoint_set_pattern(
+ event_rule, event_pattern);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting tracepoint event rule pattern: %s",
+ event_pattern);
+
+ if (filter) {
+ event_rule_status = lttng_event_rule_tracepoint_set_filter(
+ event_rule, filter);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting tracepoint event rule filter: %s",
+ filter);
+ }
+
+ if (exclusions) {
+ assert(domain_type == LTTNG_DOMAIN_UST);
+ assert(exclusion_count > 0);
+
+ event_rule_status = lttng_event_rule_tracepoint_set_exclusions(
+ event_rule, exclusion_count, exclusions);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting tracepoint event rule exclusions");
+ }
+
+ tmp_condition = lttng_condition_event_rule_create(event_rule);
+ ok(tmp_condition, "Condition event rule object creation");
+ /* Ownership was passed to condition */
+ event_rule = NULL;
+
+ if (capture_desc_cb) {
+ ret = capture_desc_cb(tmp_condition);
+ if (ret) {
+ assert("Generating the condition capture descriptor");
+ }
+ }
+
+ tmp_action = lttng_action_notify_create();
+ ok(tmp_action, "Action event rule object creation");
+
+ tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action);
+ ok(tmp_trigger, "Trigger object creation %s", trigger_name);
+
+ trigger_status = lttng_trigger_set_name(tmp_trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger %s", trigger_name);
+
+ ret = lttng_register_trigger(tmp_trigger);
+ ok(ret == 0, "Trigger registration %s", trigger_name);
+
+ *condition = tmp_condition;
+ *action = tmp_action;
+ *trigger = tmp_trigger;
+
+ return;
+}
+
+static struct lttng_notification *get_next_notification(
+ struct lttng_notification_channel *notification_channel)
+{
+ struct lttng_notification *local_notification = NULL;
+ enum lttng_notification_channel_status status;
+
+ /* Receive the next notification. */
+ status = lttng_notification_channel_get_next_notification(
+ notification_channel, &local_notification);
+
+ switch (status) {
+ case LTTNG_NOTIFICATION_CHANNEL_STATUS_OK:
+ break;
+ case LTTNG_NOTIFICATION_CHANNEL_STATUS_NOTIFICATIONS_DROPPED:
+ fail("Notifications have been dropped");
+ local_notification = NULL;
+ break;
+ default:
+ /* Unhandled conditions / errors. */
+ fail("error: Unknown notification channel status\n");
+ local_notification = NULL;
+ break;
+ }
+
+ return local_notification;
+}
+
+static void test_tracepoint_event_rule_notification(
+ enum lttng_domain_type domain_type)
+{
+ int i;
+ int ret;
+ enum lttng_notification_channel_status nc_status;
+
+ struct lttng_action *action = NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char *trigger_name = "my_precious";
+ const char *pattern;
+
+ if (domain_type == LTTNG_DOMAIN_UST) {
+ pattern = "tp:tptest";
+ } else {
+ pattern = "lttng_test_filter_event";
+ }
+
+ create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 0,
+ NULL, domain_type, NULL, &condition, &action, &trigger);
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ /* Get 3 notifications */
+ for (i = 0; i < 3; i++) {
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+ ok(notification, "Received notification");
+
+ /* Error */
+ if (notification == NULL) {
+ goto end;
+ }
+
+ ret = validator_notification_trigger_name(notification, trigger_name);
+ lttng_notification_destroy(notification);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ suspend_application();
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_action_destroy(action);
+ lttng_condition_destroy(condition);
+ return;
+}
+
+static void test_tracepoint_event_rule_notification_filter(
+ enum lttng_domain_type domain_type)
+{
+ int i;
+ enum lttng_notification_channel_status nc_status;
+
+ struct lttng_condition *ctrl_condition = NULL, *condition = NULL;
+ struct lttng_action *ctrl_action = NULL, *action = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL;
+ const char *ctrl_trigger_name = "control_trigger";
+ const char *trigger_name = "trigger";
+ const char *pattern;
+ int ctrl_count = 0, count = 0;
+
+ if (domain_type == LTTNG_DOMAIN_UST) {
+ pattern = "tp:tptest";
+ } else {
+ pattern = "lttng_test_filter_event";
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL,
+ 0, NULL, domain_type, NULL, &ctrl_condition,
+ &ctrl_action, &ctrl_trigger);
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, ctrl_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ /*
+ * Attach a filter expression to get notification only if the
+ * `intfield` is even.
+ */
+ create_tracepoint_event_rule_trigger(pattern, trigger_name,
+ "(intfield & 1) == 0", 0, NULL, domain_type, NULL,
+ &condition, &action, &trigger);
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ /*
+ * We registered 2 notifications triggers, one with a filter and one
+ * without (control). The one with a filter will only fired when the
+ * `intfield` is a multiple of 2. We should get two times as many
+ * control notifications as filter notifications.
+ */
+ resume_application();
+
+ /*
+ * Get 3 notifications. We should get 1 for the regular trigger (with
+ * the filter) and 2 from the control trigger. This works whatever
+ * the order we receive the notifications.
+ */
+ for (i = 0; i < 3; i++) {
+ const char *name;
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+ ok(notification, "Received notification");
+
+ /* Error */
+ if (notification == NULL) {
+ goto end;
+ }
+
+ name = get_notification_trigger_name(notification);
+ if (name == NULL) {
+ lttng_notification_destroy(notification);
+ goto end;
+ }
+
+ if (strcmp(ctrl_trigger_name, name) == 0) {
+ ctrl_count++;
+ } else if (strcmp(trigger_name, name) == 0) {
+ count++;
+ }
+ lttng_notification_destroy(notification);
+ }
+ ok(ctrl_count / 2 == count,
+ "Get twice as many control notif as of regular notif");
+
+end:
+ suspend_application();
+ lttng_unregister_trigger(trigger);
+ lttng_unregister_trigger(ctrl_trigger);
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_trigger_destroy(trigger);
+ lttng_trigger_destroy(ctrl_trigger);
+ lttng_condition_destroy(condition);
+ lttng_condition_destroy(ctrl_condition);
+ lttng_action_destroy(action);
+ lttng_action_destroy(ctrl_action);
+ return;
+}
+
+static void test_tracepoint_event_rule_notification_exclusion(
+ enum lttng_domain_type domain_type)
+{
+ enum lttng_notification_channel_status nc_status;
+ struct lttng_condition *ctrl_condition = NULL, *condition = NULL;
+ struct lttng_action *ctrl_action = NULL, *action = NULL;
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_trigger *ctrl_trigger = NULL, *trigger = NULL;
+ const char *ctrl_trigger_name = "control_exclusion_trigger";
+ const char *trigger_name = "exclusion_trigger";
+ const char *pattern = "tp:tptest*";
+ const char *exclusions[4] = {
+ "tp:tptest2", "tp:tptest3", "tp:tptest4", "tp:tptest5"};
+ int ctrl_count = 0, count = 0;
+ int i;
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ create_tracepoint_event_rule_trigger(pattern, ctrl_trigger_name, NULL,
+ 0, NULL, domain_type, NULL, &ctrl_condition,
+ &ctrl_action, &ctrl_trigger);
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, ctrl_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ create_tracepoint_event_rule_trigger(pattern, trigger_name, NULL, 4,
+ exclusions, domain_type, NULL, &condition, &action,
+ &trigger);
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ /*
+ * We registered 2 notifications triggers, one with an exclusion and
+ * one without (control).
+ * - The trigger with an exclusion will fire once every iteration.
+ * - The trigger without an exclusion will fire 5 times every
+ * iteration.
+ *
+ * We should get 5 times as many notifications from the control
+ * trigger.
+ */
+ resume_application();
+
+ /*
+ * Get 6 notifications. We should get 1 for the regular trigger (with
+ * the exclusion) and 5 from the control trigger. This works whatever
+ * the order we receive the notifications.
+ */
+ for (i = 0; i < 6; i++) {
+ const char *name;
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+ ok(notification, "Received notification");
+
+ /* Error */
+ if (notification == NULL) {
+ goto end;
+ }
+
+ name = get_notification_trigger_name(notification);
+ if (name == NULL) {
+ lttng_notification_destroy(notification);
+ goto end;
+ }
+
+ if (strcmp(ctrl_trigger_name, name) == 0) {
+ ctrl_count++;
+ } else if (strcmp(trigger_name, name) == 0) {
+ count++;
+ }
+ lttng_notification_destroy(notification);
+ }
+ ok(ctrl_count / 5 == count,
+ "Got 5 times as many control notif as of regular notif");
+
+end:
+ suspend_application();
+ lttng_unregister_trigger(trigger);
+ lttng_unregister_trigger(ctrl_trigger);
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_trigger_destroy(trigger);
+ lttng_trigger_destroy(ctrl_trigger);
+ lttng_condition_destroy(condition);
+ lttng_condition_destroy(ctrl_condition);
+ lttng_action_destroy(action);
+ lttng_action_destroy(ctrl_action);
+ return;
+}
+
+static void test_kprobe_event_rule_notification(
+ enum lttng_domain_type domain_type)
+{
+ enum lttng_notification_channel_status nc_status;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char *trigger_name = "kprobe_trigger";
+ const char *symbol_name = "_do_fork";
+ int i, ret;
+
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Setup error on action creation");
+ goto end;
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ event_rule = lttng_event_rule_kprobe_create();
+ ok(event_rule, "kprobe event rule object creation");
+
+ event_rule_status = lttng_event_rule_kprobe_set_source(
+ event_rule, symbol_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting kprobe event rule source: %s", symbol_name);
+
+ event_rule_status = lttng_event_rule_kprobe_set_name(
+ event_rule, trigger_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting kprobe event rule name: %s", trigger_name);
+
+ condition = lttng_condition_event_rule_create(event_rule);
+ ok(condition, "Condition event rule object creation");
+
+ /* Register the triggers for condition */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Setup error on trigger creation");
+ goto end;
+ }
+
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger %s", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
+ if (ret) {
+ fail("Setup error on trigger registration");
+ goto end;
+ }
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ for (i = 0; i < 3; i++) {
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+ ok(notification, "Received notification");
+
+ /* Error */
+ if (notification == NULL) {
+ goto end;
+ }
+
+ ret = validator_notification_trigger_name(notification, trigger_name);
+ lttng_notification_destroy(notification);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ suspend_application();
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_action_destroy(action);
+ lttng_condition_destroy(condition);
+ return;
+}
+
+static void test_uprobe_event_rule_notification(
+ enum lttng_domain_type domain_type,
+ const char *testapp_path,
+ const char *test_symbol_name)
+{
+ enum lttng_notification_channel_status nc_status;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_userspace_probe_location *probe_location = NULL;
+ struct lttng_userspace_probe_location_lookup_method *lookup_method =
+ NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char *trigger_name = "uprobe_trigger";
+ int i, ret;
+
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Setup error on action creation");
+ goto end;
+ }
+
+ lookup_method = lttng_userspace_probe_location_lookup_method_function_elf_create();
+ if (!lookup_method) {
+ fail("Setup error on userspace probe lookup method creation");
+ goto end;
+ }
+
+ probe_location = lttng_userspace_probe_location_function_create(
+ testapp_path, test_symbol_name, lookup_method);
+ if (!probe_location) {
+ fail("Setup error on userspace probe location creation");
+ goto end;
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ event_rule = lttng_event_rule_uprobe_create();
+ ok(event_rule, "kprobe event rule object creation");
+
+ event_rule_status = lttng_event_rule_uprobe_set_location(
+ event_rule, probe_location);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting uprobe event rule location");
+
+ event_rule_status = lttng_event_rule_uprobe_set_name(
+ event_rule, trigger_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting uprobe event rule name: %s", trigger_name);
+
+ condition = lttng_condition_event_rule_create(event_rule);
+ ok(condition, "Condition event rule object creation");
+
+ /* Register the triggers for condition */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Setup error on trigger creation");
+ goto end;
+ }
+
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger %s", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
+ if (ret) {
+ fail("Setup error on trigger registration");
+ goto end;
+ }
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();
+
+ for (i = 0; i < 3; i++) {
+ struct lttng_notification *notification = get_next_notification(
+ notification_channel);
+ ok(notification, "Received notification");
+
+ /* Error */
+ if (notification == NULL) {
+ goto end;
+ }
+
+ ret = validator_notification_trigger_name(notification, trigger_name);
+ lttng_notification_destroy(notification);
+ if (ret) {
+ goto end;
+ }
+ }
+end:
+ suspend_application();
+ lttng_notification_channel_destroy(notification_channel);
+ lttng_unregister_trigger(trigger);
+ lttng_trigger_destroy(trigger);
+ lttng_action_destroy(action);
+ lttng_condition_destroy(condition);
+ return;
+}
+
+static void test_syscall_event_rule_notification(
+ enum lttng_domain_type domain_type)
+{
+ enum lttng_notification_channel_status nc_status;
+ enum lttng_event_rule_status event_rule_status;
+ enum lttng_trigger_status trigger_status;
+
+ struct lttng_notification_channel *notification_channel = NULL;
+ struct lttng_condition *condition = NULL;
+ struct lttng_event_rule *event_rule = NULL;
+ struct lttng_action *action = NULL;
+ struct lttng_trigger *trigger = NULL;
+ const char *trigger_name = "syscall_trigger";
+ const char *syscall_name = "openat";
+ int i, ret;
+
+ action = lttng_action_notify_create();
+ if (!action) {
+ fail("Setup error on action creation");
+ goto end;
+ }
+
+ notification_channel = lttng_notification_channel_create(
+ lttng_session_daemon_notification_endpoint);
+ ok(notification_channel, "Notification channel object creation");
+
+ event_rule = lttng_event_rule_syscall_create();
+ ok(event_rule, "syscall event rule object creation");
+
+ event_rule_status = lttng_event_rule_syscall_set_pattern(
+ event_rule, syscall_name);
+ ok(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK,
+ "Setting syscall event rule pattern: %s", syscall_name);
+
+ condition = lttng_condition_event_rule_create(event_rule);
+ ok(condition, "Condition event rule object creation");
+
+ /* Register the triggers for condition */
+ trigger = lttng_trigger_create(condition, action);
+ if (!trigger) {
+ fail("Setup error on trigger creation");
+ goto end;
+ }
+
+ trigger_status = lttng_trigger_set_name(trigger, trigger_name);
+ ok(trigger_status == LTTNG_TRIGGER_STATUS_OK,
+ "Setting name to trigger %s", trigger_name);
+
+ ret = lttng_register_trigger(trigger);
+ if (ret) {
+ fail("Setup error on trigger registration");
+ goto end;
+ }
+
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to tracepoint event rule condition");
+
+ resume_application();