*
* Copyright (C) 2017 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
*
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * SPDX-License-Identifier: MIT
*
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#include <assert.h>
#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>
#include <lttng/notification/channel.h>
#include <lttng/notification/notification.h>
#include <lttng/trigger/trigger.h>
+#include <lttng/lttng.h>
#include <tap/tap.h>
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;
return ret;
}
+static
int stop_consumer(const char **argv)
{
- int ret = 0;
- for (int i = named_pipe_args_start; i < nb_args; i++) {
+ 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;
- for (int i = named_pipe_args_start; i < nb_args; i++) {
+ int ret = 0, i;
+
+ for (i = named_pipe_args_start; i < nb_args; i++) {
ret = write_pipe(argv[i], 0);
}
return ret;
}
-int suspend_application()
+static
+int suspend_application(void)
{
int ret;
struct stat buf;
}
-int resume_application()
+static
+int resume_application(void)
{
int ret;
struct stat buf;
}
+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;
ok(lttng_register_trigger(NULL) == -LTTNG_ERR_INVALID, "Registering a NULL trigger fails as expected");
/* Test: register a trigger */
- unsigned int test_vector_size = 5;
- for (unsigned int i = 0; i < pow(2,test_vector_size); i++) {
+
+ for (i = 0; i < pow(2,test_vector_size); i++) {
int loop_ret = 0;
char *test_tuple_string = NULL;
unsigned int mask_position = 0;
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",
* 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);
}
lttng_action_destroy(action);
}
-void test_notification_channel(const char *session_name, const char *channel_name, const enum lttng_domain_type domain_type, const char **argv)
+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("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 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 to an 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 */
- lttng_start_tracing(session_name);
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;
suspend_application();
+ lttng_stop_tracing_no_wait(session_name);
resume_consumer(argv);
- lttng_stop_tracing(session_name);
+ 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_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;
/* Stop consumer to force a high notification */
+ stop_consumer(argv);
resume_application();
lttng_start_tracing(session_name);
- stop_consumer(argv);
- 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;
suspend_application();
- /* Resume consumer to allow event consumption */
+ lttng_stop_tracing_no_wait(session_name);
resume_consumer(argv);
- lttng_stop_tracing(session_name);
+ 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(argv);
resume_application();
/* Stop consumer to force a high notification */
lttng_start_tracing(session_name);
- stop_consumer(argv);
- 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;
+ suspend_application();
+
/* Resume consumer to allow event consumption */
+ lttng_stop_tracing_no_wait(session_name);
resume_consumer(argv);
- lttng_stop_tracing(session_name);
+ 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);
projects / lttng-tools.git / blobdiff