#ifndef LTTNG_ACTION_INTERNAL_H
#define LTTNG_ACTION_INTERNAL_H
-#include <lttng/action/action.h>
-#include <common/macros.h>
#include <common/buffer-view.h>
#include <common/dynamic-buffer.h>
+#include <common/macros.h>
+#include <common/payload-view.h>
+#include <common/payload.h>
+#include <lttng/lttng.h>
+#include <pthread.h>
#include <stdbool.h>
#include <sys/types.h>
+#include <urcu/ref.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct lttng_rate_policy;
+struct mi_writer;
+struct mi_lttng_error_query_callbacks;
+struct lttng_trigger;
typedef bool (*action_validate_cb)(struct lttng_action *action);
typedef void (*action_destroy_cb)(struct lttng_action *action);
typedef int (*action_serialize_cb)(struct lttng_action *action,
- struct lttng_dynamic_buffer *buf);
+ struct lttng_payload *payload);
+typedef bool (*action_equal_cb)(const struct lttng_action *a,
+ const struct lttng_action *b);
+typedef ssize_t (*action_create_from_payload_cb)(
+ struct lttng_payload_view *view,
+ struct lttng_action **action);
+typedef const struct lttng_rate_policy *(*action_get_rate_policy_cb)(
+ const struct lttng_action *action);
+typedef enum lttng_action_status (*action_add_error_query_results_cb)(
+ const struct lttng_action *action,
+ struct lttng_error_query_results *results);
+typedef enum lttng_error_code (*action_mi_serialize_cb)(
+ const struct lttng_action *condition, struct mi_writer *writer);
struct lttng_action {
+ struct urcu_ref ref;
enum lttng_action_type type;
action_validate_cb validate;
action_serialize_cb serialize;
+ action_equal_cb equal;
action_destroy_cb destroy;
+ action_get_rate_policy_cb get_rate_policy;
+ action_add_error_query_results_cb add_error_query_results;
+ action_mi_serialize_cb mi_serialize;
+
+ /* Internal use only. */
+
+ /* The number of time the actions was enqueued for execution. */
+ uint64_t execution_request_counter;
+ /*
+ * The number of time the action was actually executed.
+ * Action rate policy can impact on this number.
+ * */
+ uint64_t execution_counter;
+ /*
+ * The number of time the action execution failed.
+ * An unsigned long is used to use a type which makes atomic
+ * operations possible.
+ */
+ unsigned long execution_failure_counter;
};
struct lttng_action_comm {
int8_t action_type;
} LTTNG_PACKED;
-LTTNG_HIDDEN
+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_get_rate_policy_cb get_rate_policy,
+ action_add_error_query_results_cb add_error_query_results,
+ action_mi_serialize_cb mi);
+
bool lttng_action_validate(struct lttng_action *action);
-LTTNG_HIDDEN
int lttng_action_serialize(struct lttng_action *action,
- struct lttng_dynamic_buffer *buf);
+ struct lttng_payload *buf);
-LTTNG_HIDDEN
-ssize_t lttng_action_create_from_buffer(const struct lttng_buffer_view *view,
+ssize_t lttng_action_create_from_payload(struct lttng_payload_view *view,
struct lttng_action **action);
-LTTNG_HIDDEN
-enum lttng_action_type lttng_action_get_type_const(
- const struct lttng_action *action);
+bool lttng_action_is_equal(const struct lttng_action *a,
+ const struct lttng_action *b);
+
+void lttng_action_get(struct lttng_action *action);
+
+void lttng_action_put(struct lttng_action *action);
+
+const char* lttng_action_type_string(enum lttng_action_type action_type);
+
+void lttng_action_increase_execution_request_count(struct lttng_action *action);
+
+void lttng_action_increase_execution_count(struct lttng_action *action);
+
+void lttng_action_increase_execution_failure_count(struct lttng_action *action);
+
+bool lttng_action_should_execute(const struct lttng_action *action);
+
+enum lttng_action_status lttng_action_add_error_query_results(
+ const struct lttng_action *action,
+ struct lttng_error_query_results *results);
+
+/*
+ * For use by the various lttng_action implementation. Implements the default
+ * behavior to the generic error "execution failure counter" that all actions
+ * (except list, which passes-through) provide.
+ */
+enum lttng_action_status lttng_action_generic_add_error_query_results(
+ const struct lttng_action *action,
+ struct lttng_error_query_results *results);
+enum lttng_error_code lttng_action_mi_serialize(const struct lttng_trigger *trigger,
+ const struct lttng_action *action,
+ struct mi_writer *writer,
+ const struct mi_lttng_error_query_callbacks
+ *error_query_callbacks,
+ struct lttng_dynamic_array *action_path_indexes);
+
+#ifdef __cplusplus
+}
+#endif
#endif /* LTTNG_ACTION_INTERNAL_H */