X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=tests%2Fregression%2Ftools%2Fnotification%2Fnotification.c;h=e59f2428d579f7755a058b160279109aba88dabb;hb=90fcb2ecb33b8fac681d232335d4c74ac91cfe59;hp=f0149bc2f109db3c5b33167564117b6c498ef7fe;hpb=9df6c82a8ea4064f9868028b9fc3412f45adbb0a;p=lttng-tools.git diff --git a/tests/regression/tools/notification/notification.c b/tests/regression/tools/notification/notification.c index f0149bc2f..e59f2428d 100644 --- a/tests/regression/tools/notification/notification.c +++ b/tests/regression/tools/notification/notification.c @@ -21,9 +21,9 @@ #include #include #include -#include #include +#include #include #include #include @@ -59,19 +59,35 @@ void wait_on_file(const char *path, bool file_exist) ret = stat(path, &buf); if (ret == -1 && errno == ENOENT) { if (file_exist) { - (void) poll(NULL, 0, 10); /* 10 ms delay */ - continue; /* retry */ + /* + * The file does not exist. wait a bit and + * continue looping until it does. + */ + (void) poll(NULL, 0, 10); + continue; } - break; /* File does not exist */ + + /* + * File does not exist and the exit condition we want. + * Break from the loop and return. + */ + break; } if (ret) { perror("stat"); exit(EXIT_FAILURE); } - break; /* found */ + /* + * 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; @@ -103,6 +119,7 @@ end: return ret; } +static int stop_consumer(const char **argv) { int ret = 0, i; @@ -113,6 +130,7 @@ int stop_consumer(const char **argv) return ret; } +static int resume_consumer(const char **argv) { int ret = 0, i; @@ -123,7 +141,8 @@ int resume_consumer(const char **argv) return ret; } -int suspend_application() +static +int suspend_application(void) { int ret; struct stat buf; @@ -151,7 +170,8 @@ error: } -int resume_application() +static +int resume_application(void) { int ret; struct stat buf; @@ -181,6 +201,7 @@ error: } +static void test_triggers_buffer_usage_condition(const char *session_name, const char *channel_name, enum lttng_domain_type domain_type, @@ -300,7 +321,7 @@ void test_triggers_buffer_usage_condition(const char *session_name, 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", + 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", @@ -348,7 +369,7 @@ loop_end: * registered trigger fail. */ loop_ret = lttng_unregister_trigger(trigger); - ok(loop_ret == -LTTNG_ERR_TRIGGER_NOT_FOUND, "Unregister of a non-registerd trigger fails as expected: %s", test_tuple_string); + 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); } @@ -374,46 +395,95 @@ void wait_data_pending(const char *session_name) } while (ret != 0); } -void test_notification_channel(const char *session_name, const char *channel_name, const enum lttng_domain_type domain_type, const char **argv) +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) { - int ret = 0; enum lttng_condition_status condition_status; - enum lttng_notification_channel_status nc_status; + int ret = 0; - struct lttng_action *action = NULL; - struct lttng_notification *notification = NULL; - struct lttng_notification_channel *notification_channel = NULL; - struct lttng_trigger *trigger = NULL; + condition_status = lttng_condition_buffer_usage_set_session_name( + condition, session_name); + if (condition_status != LTTNG_CONDITION_STATUS_OK) { + fail("Failed to set session name on creation of condition `%s`", + condition_name); + ret = -1; + goto end; + } - struct lttng_condition *low_condition = NULL; - struct lttng_condition *high_condition = NULL; - struct lttng_condition *dummy_invalid_condition = NULL; - struct lttng_condition *dummy_condition = NULL; + condition_status = lttng_condition_buffer_usage_set_channel_name( + condition, channel_name); + if (condition_status != LTTNG_CONDITION_STATUS_OK) { + fail("Failed to set channel name on creation of condition `%s`", + condition_name); + ret = -1; + goto end; + } - double low_ratio = 0.0; - double high_ratio = 0.99; + condition_status = lttng_condition_buffer_usage_set_domain_type( + condition, domain_type); + if (condition_status != LTTNG_CONDITION_STATUS_OK) { + fail("Failed to set domain type on creation of condition `%s`", + condition_name); + ret = -1; + goto end; + } - /* Set-up */ - action = lttng_action_notify_create(); - if (!action) { - fail("Setup error on action creation"); +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 condition for later test */ + /* + * 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) { @@ -421,22 +491,66 @@ void test_notification_channel(const char *session_name, const char *channel_nam goto end; } - condition_status = lttng_condition_buffer_usage_set_session_name( - dummy_condition, session_name); - if (condition_status != LTTNG_CONDITION_STATUS_OK) { - fail("Setup error on dummy_condition creation"); - goto end; - } - condition_status = lttng_condition_buffer_usage_set_channel_name( - dummy_condition, channel_name); - if (condition_status != LTTNG_CONDITION_STATUS_OK) { - fail("Setup error on dummy_condition creation"); + 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; } - condition_status = lttng_condition_buffer_usage_set_domain_type( - dummy_condition, domain_type); - if (condition_status != LTTNG_CONDITION_STATUS_OK) { - fail("Setup error on dummy_condition creation"); + + /* + * 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; +} + +static void test_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_condition_status condition_status; + enum lttng_notification_channel_status nc_status; + + struct lttng_action *action = NULL; + struct lttng_notification *notification = NULL; + struct lttng_notification_channel *notification_channel = NULL; + struct lttng_trigger *trigger = NULL; + + struct lttng_condition *low_condition = NULL; + struct lttng_condition *high_condition = NULL; + + double low_ratio = 0.0; + double high_ratio = 0.90; + + /* Set-up */ + action = lttng_action_notify_create(); + if (!action) { + fail("Setup error on action creation"); goto end; } @@ -453,25 +567,12 @@ void test_notification_channel(const char *session_name, const char *channel_nam goto end; } - condition_status = lttng_condition_buffer_usage_set_session_name( - low_condition, session_name); - if (condition_status != LTTNG_CONDITION_STATUS_OK) { - fail("Setup error on low_condition creation"); - goto end; - } - condition_status = lttng_condition_buffer_usage_set_channel_name( - low_condition, channel_name); - if (condition_status != LTTNG_CONDITION_STATUS_OK) { - fail("Setup error on low_condition creation"); + ret = setup_buffer_usage_condition(low_condition, "low_condition", + session_name, channel_name, domain_type); + if (ret) { + fail("Setup error on low condition creation"); goto end; } - condition_status = lttng_condition_buffer_usage_set_domain_type( - low_condition, domain_type); - if (condition_status != LTTNG_CONDITION_STATUS_OK) { - fail("Setup error on low_condition creation"); - goto end; - - } /* Register a high condition with a ratio */ high_condition = lttng_condition_buffer_usage_high_create(); @@ -487,22 +588,10 @@ void test_notification_channel(const char *session_name, const char *channel_nam goto end; } - condition_status = lttng_condition_buffer_usage_set_session_name( - high_condition, session_name); - if (condition_status != LTTNG_CONDITION_STATUS_OK) { - fail("Setup error on high_condition creation"); - goto end; - } - condition_status = lttng_condition_buffer_usage_set_channel_name( - high_condition, channel_name); - if (condition_status != LTTNG_CONDITION_STATUS_OK) { - fail("Setup error on high_condition creation"); - goto end; - } - condition_status = lttng_condition_buffer_usage_set_domain_type( - high_condition, domain_type); - if (condition_status != LTTNG_CONDITION_STATUS_OK) { - fail("Setup error on high_condition creation"); + ret = setup_buffer_usage_condition(high_condition, "high_condition", + session_name, channel_name, domain_type); + if (ret) { + fail("Setup error on high condition creation"); goto end; } @@ -535,54 +624,50 @@ void test_notification_channel(const char *session_name, const char *channel_nam } /* Begin testing */ - notification_channel = lttng_notification_channel_create(lttng_session_daemon_notification_endpoint); + notification_channel = lttng_notification_channel_create( + lttng_session_daemon_notification_endpoint); ok(notification_channel, "Notification channel object creation"); if (!notification_channel) { goto end; } - /* Basic error path check */ - 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, low_condition); - ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INVALID, "Notification channel subscription is invalid: NULL, NON-NULL"); - - 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"); - - 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"); - /* 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 condition"); + nc_status = lttng_notification_channel_subscribe( + notification_channel, low_condition); + ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, + "Subscribe to 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 condition"); + nc_status = lttng_notification_channel_subscribe( + notification_channel, high_condition); + ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK, + "Subscribe to condition"); + + nc_status = lttng_notification_channel_subscribe( + notification_channel, low_condition); + ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, + "Subscribe to a condition for which subscription was already done"); - nc_status = lttng_notification_channel_subscribe(notification_channel, low_condition); - ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, "Subscribe to a condition for which subscription was already done"); + nc_status = lttng_notification_channel_subscribe( + notification_channel, high_condition); + ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, + "Subscribe to a condition for which subscription was already done"); - nc_status = lttng_notification_channel_subscribe(notification_channel, high_condition); - ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_ALREADY_SUBSCRIBED, "Subscribe to a condition for which subscription was already done"); + 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, + do { + nc_status = lttng_notification_channel_get_next_notification( + notification_channel, ¬ification); + } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); + 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; @@ -597,16 +682,24 @@ void test_notification_channel(const char *session_name, const char *channel_nam * 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_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_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, + do { + nc_status = lttng_notification_channel_get_next_notification( + notification_channel, ¬ification); + } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); + 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; @@ -616,9 +709,14 @@ void test_notification_channel(const char *session_name, const char *channel_nam resume_application(); lttng_start_tracing(session_name); - nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); + do { + nc_status = lttng_notification_channel_get_next_notification( + notification_channel, ¬ification); + } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && - lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, + 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; @@ -628,9 +726,14 @@ void test_notification_channel(const char *session_name, const char *channel_nam resume_consumer(argv); wait_data_pending(session_name); - nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); + do { + nc_status = lttng_notification_channel_get_next_notification( + notification_channel, ¬ification); + } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && - lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW, + 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; @@ -640,23 +743,34 @@ void test_notification_channel(const char *session_name, const char *channel_nam /* Stop consumer to force a high notification */ lttng_start_tracing(session_name); - nc_status = lttng_notification_channel_get_next_notification(notification_channel, ¬ification); + do { + nc_status = lttng_notification_channel_get_next_notification( + notification_channel, ¬ification); + } while (nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_INTERRUPTED); ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK && notification && - lttng_condition_get_type(lttng_notification_get_condition(notification)) == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, + lttng_condition_get_type(lttng_notification_get_condition( + notification)) == + LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH, "High notification"); lttng_notification_destroy(notification); notification = NULL; - /* Resume consumer to allow event consumption */ 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"); + 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); @@ -664,8 +778,6 @@ end: lttng_action_destroy(action); lttng_condition_destroy(low_condition); lttng_condition_destroy(high_condition); - lttng_condition_destroy(dummy_invalid_condition); - lttng_condition_destroy(dummy_condition); } int main(int argc, const char *argv[]) @@ -704,11 +816,20 @@ int main(int argc, const char *argv[]) goto error; } + /* + * Test cases are responsible for resuming the app when needed and + * making sure it's suspended when returning. + */ + suspend_application(); + diag("Test trigger for domain %s with buffer_usage_low condition", domain_type_string); test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW); diag("Test trigger for domain %s with buffer_usage_high condition", domain_type_string); test_triggers_buffer_usage_condition(session_name, channel_name, domain_type, LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH); + /* Basic error path check. */ + test_invalid_channel_subscription(domain_type); + diag("Test notification channel api for domain %s", domain_type_string); test_notification_channel(session_name, channel_name, domain_type, argv); error: