#include <lttng/trigger/trigger.h>
#include <common/credentials.h>
+#include <common/dynamic-array.h>
#include <common/macros.h>
#include <common/optional.h>
#include <stdint.h>
struct lttng_condition *condition;
struct lttng_action *action;
- LTTNG_OPTIONAL(struct lttng_credentials) creds;
+ char *name;
+ /* For now only the uid portion of the credentials is used. */
+ struct lttng_credentials creds;
+ LTTNG_OPTIONAL(uint64_t) error_count;
+ struct {
+ enum lttng_trigger_firing_policy_type type;
+ uint64_t threshold;
+ uint64_t current_count;
+ } firing_policy;
+ /*
+ * Internal use only.
+ * The unique token passed to the tracer to identify a event-rule
+ * notification.
+ */
+ LTTNG_OPTIONAL(uint64_t) tracer_token;
+ /*
+ * Internal use only.
+ * Error accounting counter index.
+ */
+ LTTNG_OPTIONAL(uint64_t) error_counter_index;
+
+ /*
+ * This ordered set is used to hold the capture bytecodoes and their
+ * expression. lttng_action_capture_bytecode_element.
+ * We could only have bytecodes here... the expression are a left over
+ * from the generation process of the set. They are used for comparison
+ * during the gathering process. They are refcounted (TODO) and are the same
+ * object that are present un the underlying action object/s
+ */
+ struct lttng_dynamic_pointer_array capture_bytecode_set;
+};
+
+struct lttng_triggers {
+ struct lttng_dynamic_pointer_array array;
};
struct lttng_trigger_comm {
/* length excludes its own length. */
+ uint32_t name_length /* Includes '\0' */;
uint32_t length;
- /* A condition and action object follow. */
+ /* Credentials, only the uid portion is used for now */
+ int64_t uid;
+ /* Policy */
+ /* Maps to enum lttng_trigger_firing_policy_type. */
+ uint8_t policy_type;
+ uint64_t policy_threshold;
+ uint64_t error_count;
+ /* A name, condition and action object follow. */
char payload[];
} LTTNG_PACKED;
+struct lttng_triggers_comm {
+ uint32_t count;
+ uint32_t length;
+ /* Count * lttng_trigger_comm structure */
+ char payload[];
+};
+
LTTNG_HIDDEN
ssize_t lttng_trigger_create_from_payload(struct lttng_payload_view *view,
struct lttng_trigger **trigger);
LTTNG_HIDDEN
-int lttng_trigger_serialize(struct lttng_trigger *trigger,
+int lttng_trigger_serialize(const struct lttng_trigger *trigger,
struct lttng_payload *payload);
LTTNG_HIDDEN
-const struct lttng_condition *lttng_trigger_get_const_condition(
- const struct lttng_trigger *trigger);
+bool lttng_trigger_validate(const struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+int lttng_trigger_assign_name(
+ struct lttng_trigger *dst, const struct lttng_trigger *src);
+
+LTTNG_HIDDEN
+void lttng_trigger_set_tracer_token(
+ struct lttng_trigger *trigger, uint64_t token);
+
+LTTNG_HIDDEN
+uint64_t lttng_trigger_get_tracer_token(const struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+void lttng_trigger_set_error_counter_index(
+ struct lttng_trigger *trigger, uint64_t error_counter_index);
LTTNG_HIDDEN
-const struct lttng_action *lttng_trigger_get_const_action(
+uint64_t lttng_trigger_get_error_counter_index(
const struct lttng_trigger *trigger);
LTTNG_HIDDEN
-bool lttng_trigger_validate(struct lttng_trigger *trigger);
+int lttng_trigger_generate_name(struct lttng_trigger *trigger, uint64_t offset);
+
+LTTNG_HIDDEN
+bool lttng_trigger_is_equal(
+ const struct lttng_trigger *a, const struct lttng_trigger *b);
LTTNG_HIDDEN
void lttng_trigger_get(struct lttng_trigger *trigger);
LTTNG_HIDDEN
void lttng_trigger_put(struct lttng_trigger *trigger);
+/*
+ * Allocate a new set of lttng_trigger.
+ * The returned object must be freed via lttng_triggers_destroy.
+ */
+LTTNG_HIDDEN
+struct lttng_triggers *lttng_triggers_create(void);
+
+/*
+ * Return the non-const pointer of an element at index "index" of a
+ * lttng_triggers.
+ *
+ * The ownership of the lttng_triggers element is NOT transfered.
+ * The returned object can NOT be freed via lttng_trigger_destroy.
+ */
+LTTNG_HIDDEN
+struct lttng_trigger *lttng_triggers_get_pointer_of_index(
+ const struct lttng_triggers *triggers, unsigned int index);
+
+/*
+ * Add a trigger to the triggers object.
+ */
+LTTNG_HIDDEN
+int lttng_triggers_add(
+ struct lttng_triggers *triggers, struct lttng_trigger *trigger);
+
+/*
+ * Serialize a trigger set to a lttng_payload object.
+ * Return LTTNG_OK on success, negative lttng error code on error.
+ */
+LTTNG_HIDDEN
+int lttng_triggers_serialize(const struct lttng_triggers *triggers,
+ struct lttng_payload *payload);
+
+LTTNG_HIDDEN
+ssize_t lttng_triggers_create_from_payload(struct lttng_payload_view *view,
+ struct lttng_triggers **triggers);
+
LTTNG_HIDDEN
const struct lttng_credentials *lttng_trigger_get_credentials(
const struct lttng_trigger *trigger);
LTTNG_HIDDEN
-void lttng_trigger_set_credentials(
- struct lttng_trigger *trigger,
+void lttng_trigger_set_credentials(struct lttng_trigger *trigger,
const struct lttng_credentials *creds);
+
+/*
+ * Fire the trigger.
+ * Increment the firing count.
+ */
+LTTNG_HIDDEN
+void lttng_trigger_fire(struct lttng_trigger *trigger);
+
+/*
+ * Check if the trigger would fire.
+ */
+LTTNG_HIDDEN
+bool lttng_trigger_should_fire(const struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+bool lttng_trigger_is_ready_to_fire(
+ struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+uint64_t lttng_trigger_get_error_count(
+ const struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+void lttng_trigger_set_error_count(struct lttng_trigger *trigger,
+ uint64_t error_count);
+
+/*
+ * Return the type of any uderlying domain requirement. If no particular
+ * requirement is needed return LTTNG_DOMAIN_NONE.
+ */
+LTTNG_HIDDEN
+enum lttng_domain_type lttng_trigger_get_underlying_domain_type_restriction(
+ const struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+struct lttng_trigger *lttng_trigger_copy(const struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+unsigned int lttng_trigger_get_capture_bytecode_count(
+ const struct lttng_trigger *trigger);
+
+LTTNG_HIDDEN
+const struct lttng_bytecode *
+lttng_trigger_get_capture_bytecode_at_index(
+ const struct lttng_trigger *trigger, unsigned int index);
+
#endif /* LTTNG_TRIGGER_INTERNAL_H */
projects / lttng-tools.git / blobdiff