#include <assert.h>
#include <common/error.h>
#include <lttng/action/action-internal.h>
-#include <lttng/action/group-internal.h>
+#include <lttng/action/list-internal.h>
#include <lttng/action/notify-internal.h>
+#include <lttng/action/rate-policy-internal.h>
#include <lttng/action/rotate-session-internal.h>
#include <lttng/action/snapshot-session-internal.h>
#include <lttng/action/start-session-internal.h>
#include <lttng/action/stop-session-internal.h>
+#include <lttng/error-query-internal.h>
LTTNG_HIDDEN
const char *lttng_action_type_string(enum lttng_action_type action_type)
switch (action_type) {
case LTTNG_ACTION_TYPE_UNKNOWN:
return "UNKNOWN";
- case LTTNG_ACTION_TYPE_GROUP:
- return "GROUP";
+ case LTTNG_ACTION_TYPE_LIST:
+ return "LIST";
case LTTNG_ACTION_TYPE_NOTIFY:
return "NOTIFY";
case LTTNG_ACTION_TYPE_ROTATE_SESSION:
}
LTTNG_HIDDEN
-void lttng_action_init(
- struct lttng_action *action,
+void lttng_action_init(struct lttng_action *action,
enum lttng_action_type type,
action_validate_cb validate,
action_serialize_cb serialize,
action_equal_cb equal,
- action_destroy_cb destroy)
+ action_destroy_cb destroy,
+ action_get_rate_policy_cb get_rate_policy,
+ action_add_error_query_results_cb add_error_query_results)
{
urcu_ref_init(&action->ref);
action->type = type;
action->serialize = serialize;
action->equal = equal;
action->destroy = destroy;
+ action->get_rate_policy = get_rate_policy;
+ action->add_error_query_results = add_error_query_results;
+
+ action->execution_request_counter = 0;
+ action->execution_counter = 0;
+ action->execution_failure_counter = 0;
}
static
struct lttng_action **action)
{
ssize_t consumed_len, specific_action_consumed_len;
- const struct lttng_action_comm *action_comm;
action_create_from_payload_cb create_from_payload_cb;
+ const struct lttng_action_comm *action_comm;
+ const struct lttng_payload_view action_comm_view =
+ lttng_payload_view_from_view(
+ view, 0, sizeof(*action_comm));
if (!view || !action) {
consumed_len = -1;
goto end;
}
- action_comm = (const struct lttng_action_comm *) view->buffer.data;
+ if (!lttng_payload_view_is_valid(&action_comm_view)) {
+ /* Payload not large enough to contain the header. */
+ consumed_len = -1;
+ goto end;
+ }
+
+ action_comm = (const struct lttng_action_comm *) action_comm_view.buffer.data;
DBG("Create action from payload: action-type=%s",
lttng_action_type_string(action_comm->action_type));
create_from_payload_cb =
lttng_action_stop_session_create_from_payload;
break;
- case LTTNG_ACTION_TYPE_GROUP:
- create_from_payload_cb = lttng_action_group_create_from_payload;
+ case LTTNG_ACTION_TYPE_LIST:
+ create_from_payload_cb = lttng_action_list_create_from_payload;
break;
default:
ERR("Failed to create action from payload, unhandled action type: action-type=%u (%s)",
end:
return is_equal;
}
+
+LTTNG_HIDDEN
+void lttng_action_increase_execution_request_count(struct lttng_action *action)
+{
+ action->execution_request_counter++;
+}
+
+LTTNG_HIDDEN
+void lttng_action_increase_execution_count(struct lttng_action *action)
+{
+ action->execution_counter++;
+}
+
+LTTNG_HIDDEN
+void lttng_action_increase_execution_failure_count(struct lttng_action *action)
+{
+ uatomic_inc(&action->execution_failure_counter);
+}
+
+LTTNG_HIDDEN
+bool lttng_action_should_execute(const struct lttng_action *action)
+{
+ const struct lttng_rate_policy *policy = NULL;
+ bool execute = false;
+
+ if (action->get_rate_policy == NULL) {
+ execute = true;
+ goto end;
+ }
+
+ policy = action->get_rate_policy(action);
+ if (policy == NULL) {
+ execute = true;
+ goto end;
+ }
+
+ execute = lttng_rate_policy_should_execute(
+ policy, action->execution_request_counter);
+end:
+ return execute;
+}
+
+LTTNG_HIDDEN
+enum lttng_action_status lttng_action_add_error_query_results(
+ const struct lttng_action *action,
+ struct lttng_error_query_results *results)
+{
+ return action->add_error_query_results(action, results);
+}
+
+LTTNG_HIDDEN
+enum lttng_action_status lttng_action_generic_add_error_query_results(
+ const struct lttng_action *action,
+ struct lttng_error_query_results *results)
+{
+ enum lttng_action_status action_status;
+ struct lttng_error_query_result *error_counter = NULL;
+ const uint64_t execution_failure_counter =
+ uatomic_read(&action->execution_failure_counter);
+
+ error_counter = lttng_error_query_result_counter_create(
+ "total execution failures",
+ "Aggregated count of errors encountered when executing the action",
+ execution_failure_counter);
+ if (!error_counter) {
+ action_status = LTTNG_ACTION_STATUS_ERROR;
+ goto end;
+ }
+
+ if (lttng_error_query_results_add_result(
+ results, error_counter)) {
+ action_status = LTTNG_ACTION_STATUS_ERROR;
+ goto end;
+ }
+
+ /* Ownership transferred to the results. */
+ error_counter = NULL;
+ action_status = LTTNG_ACTION_STATUS_OK;
+end:
+ lttng_error_query_result_destroy(error_counter);
+ return action_status;
+}