*
* 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/types.h>
#include <sys/stat.h>
#include <fcntl.h>
+#include <signal.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>
#define NUM_TESTS 104
+
int nb_args = 0;
int named_pipe_args_start = 0;
+pid_t app_pid = 0;
+const char *app_state_file = NULL;
+
+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;
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;
}
+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(void)
+{
+ 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;
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, 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)
{
- 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) {
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",
+ "dummy_session", "dummy_channel", domain_type);
+ if (ret) {
+ fail("Setup error on dummy condition creation");
goto end;
}
- /* Register a low condition with a ratio */
- low_condition = lttng_condition_buffer_usage_low_create();
- if (!low_condition) {
- fail("Setup error on low_condition creation");
- goto end;
- }
- condition_status = lttng_condition_buffer_usage_set_threshold_ratio(
- low_condition, low_ratio);
- if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- fail("Setup error on low_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");
- 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;
+ 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;
}
- 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;
+ 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();
}
- /* Register a high condition with a ratio */
- high_condition = lttng_condition_buffer_usage_high_create();
- if (!high_condition) {
- fail("Setup error on high_condition creation");
- goto end;
+ 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(
- high_condition, high_ratio);
+ tmp_condition, ratio);
if (condition_status != LTTNG_CONDITION_STATUS_OK) {
- fail("Setup error on high_condition creation");
- goto end;
+ fail("Setup error on condition creation");
+ ret = -1;
+ goto error;
}
- 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;
+ 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;
}
- 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;
+
+ /* Register the trigger for condition. */
+ tmp_trigger = lttng_trigger_create(tmp_condition, tmp_action);
+ if (!tmp_trigger) {
+ fail("Setup error on trigger creation");
+ ret = -1;
+ goto error;
}
- 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");
- goto end;
+
+ ret = lttng_register_trigger(tmp_trigger);
+ if (ret) {
+ fail("Setup error on trigger registration");
+ ret = -1;
+ goto error;
}
- /* Register the triggers for low and high condition */
- trigger = lttng_trigger_create(low_condition, action);
- if (!trigger) {
- fail("Setup error on low trigger creation");
+ *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;
}
- ret = lttng_register_trigger(trigger);
- if (ret) {
- fail("Setup error on low trigger registration");
+ /* 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);
- trigger = NULL;
+ 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;
- trigger = lttng_trigger_create(high_condition, action);
- if (!trigger) {
- fail("Setup error on high trigger creation");
+ struct lttng_condition *low_condition = NULL;
+ struct lttng_condition *high_condition = NULL;
+
+ const double low_ratio = 0.0;
+ const 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 = lttng_register_trigger(trigger);
+ 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);
+ 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 to 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");
-
/* 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 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 condition");
+ nc_status = lttng_notification_channel_subscribe(
+ notification_channel, high_condition);
+ ok(nc_status == LTTNG_NOTIFICATION_CHANNEL_STATUS_OK,
+ "Subscribe to high 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, 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 */
- lttng_start_tracing(session_name);
stop_consumer(argv);
+ 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 to allow event consumption */
+ suspend_application();
+ 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, 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, 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(trigger);
- lttng_action_destroy(action);
+ 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);
- lttng_condition_destroy(dummy_invalid_condition);
- lttng_condition_destroy(dummy_condition);
}
int main(int argc, const char *argv[])
plan_tests(NUM_TESTS);
- /* Argument 4 and upward are named pipe location for consumerd control */
- named_pipe_args_start = 4;
+ /* Argument 6 and upward are named pipe location for consumerd control */
+ named_pipe_args_start = 6;
- if (argc < 5) {
+ if (argc < 7) {
fail("Missing parameter for tests to run %d", argc);
goto error;
}
nb_args = argc;
- session_name = argv[1];
- channel_name = argv[2];
- domain_type_string= argv[3];
+ domain_type_string = argv[1];
+ session_name = argv[2];
+ channel_name = argv[3];
+ app_pid = (pid_t) atoi(argv[4]);
+ app_state_file = argv[5];
if (!strcmp("LTTNG_DOMAIN_UST", domain_type_string)) {
domain_type = LTTNG_DOMAIN_UST;
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);
- diag("Test notification channel api for domain %s", domain_type_string);
- test_notification_channel(session_name, channel_name, domain_type, argv);
+ /* Basic error path check. */
+ test_invalid_channel_subscription(domain_type);
+ test_subscription_twice(session_name, channel_name, domain_type);
+
+ diag("Test buffer usage notification channel api for domain %s", domain_type_string);
+ test_buffer_usage_notification_channel(session_name, channel_name, domain_type, argv);
error:
return exit_status();
}