X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Faction%2Faction-internal.hpp;fp=include%2Flttng%2Faction%2Faction-internal.hpp;h=996e166ec2b6e8548f1dd5750b19552c41c2ee1d;hp=0000000000000000000000000000000000000000;hb=c9e313bc594f40a86eed237dce222c0fc99c957f;hpb=4878de5c7deb512bbdac4fdfc498907efa06fb7c

diff --git a/include/lttng/action/action-internal.hpp b/include/lttng/action/action-internal.hpp
new file mode 100644
index 000000000..996e166ec
--- /dev/null
+++ b/include/lttng/action/action-internal.hpp
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef LTTNG_ACTION_INTERNAL_H
+#define LTTNG_ACTION_INTERNAL_H
+
+#include <common/buffer-view.hpp>
+#include <common/dynamic-buffer.hpp>
+#include <common/macros.hpp>
+#include <common/payload-view.hpp>
+#include <common/payload.hpp>
+#include <lttng/lttng.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include <sys/types.h>
+#include <urcu/ref.h>
+
+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_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 {
+	/* enum lttng_action_type */
+	int8_t action_type;
+} LTTNG_PACKED;
+
+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);
+
+int lttng_action_serialize(struct lttng_action *action,
+		struct lttng_payload *buf);
+
+ssize_t lttng_action_create_from_payload(struct lttng_payload_view *view,
+		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);
+
+#endif /* LTTNG_ACTION_INTERNAL_H */