#include <sys/stat.h>
#include <fcntl.h>
#include <signal.h>
-#include <errno.h>
#include <poll.h>
+#include <common/compat/errno.h>
#include <lttng/action/action.h>
#include <lttng/action/notify.h>
#include <lttng/condition/buffer-usage.h>
}
static
-int resume_application()
+int resume_application(void)
{
int ret;
struct stat buf;
}
static
-void test_notification_channel(const char *session_name, const char *channel_name, const enum lttng_domain_type domain_type, const char **argv)
+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("Failed to set session name on creation of condition `%s`",
+ 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("Failed to set channel name on creation of condition `%s`",
+ 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("Failed to set domain type on creation of condition `%s`",
+ condition_name);
+ ret = -1;
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+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;
struct lttng_condition *dummy_condition = NULL;
double low_ratio = 0.0;
- double high_ratio = 0.99;
+ double high_ratio = 0.90;
/* Set-up */
action = lttng_action_notify_create();
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");
- 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");
+ ret = setup_buffer_usage_condition(dummy_condition, "dummy_condition",
+ session_name, channel_name, domain_type);
+ if (ret) {
+ fail("Setup error on dummy condition creation");
goto end;
}
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");
- 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");
+ 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;
-
}
/* Register a high condition with a ratio */
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;
}
}
/* 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");
+ 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");
+ 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");
+ 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_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_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");
+ 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;
* 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;
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;
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;
/* 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);
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);