#include <lttng/constant.h>
#include <common/hashtable/hashtable.h>
-#include <common/compat/uuid.h>
+#include <common/uuid.h>
#include <common/trace-chunk.h>
+#include <common/optional.h>
/*
* Represents a session for the relay point of view
* It is used to match a set of streams to their session.
*/
uint64_t id;
+ /*
+ * ID of the session in the session daemon's domain.
+ * This information is only provided by 2.11+ peers.
+ */
+ LTTNG_OPTIONAL(uint64_t) id_sessiond;
+ /*
+ * Only provided by 2.11+ peers. However, the UUID is set to 'nil' in
+ * the other cases.
+ */
lttng_uuid sessiond_uuid;
+ LTTNG_OPTIONAL(time_t) creation_time;
+ /* Must _not_ be empty for 2.4+ peers. */
char session_name[LTTNG_NAME_MAX];
char hostname[LTTNG_HOST_NAME_MAX];
+ char base_path[LTTNG_PATH_MAX];
+ /*
+ * Session output path relative to relayd's output path.
+ * Will be empty when interacting with peers < 2.11 since their
+ * streams' path are expressed relative to the relay daemon's
+ * output path.
+ */
+ char output_path[LTTNG_PATH_MAX];
uint32_t live_timer;
/* Session in snapshot mode. */
*/
bool aborted;
+ bool session_name_contains_creation_time;
+ /* Whether session has performed an explicit rotation. */
+ bool has_rotated;
+
/* Contains ctf_trace object of that session indexed by path name. */
struct lttng_ht *ctf_traces_ht;
*/
struct cds_list_head viewer_session_node;
struct lttng_trace_chunk *current_trace_chunk;
+ struct lttng_trace_chunk *pending_closure_trace_chunk;
+ /*
+ * Prevent live viewers from taking of copy of the chunk
+ * while new chunk has a temporary directory name.
+ */
+ bool ongoing_rotation;
struct rcu_head rcu_node; /* For call_rcu teardown. */
};
struct relay_session *session_create(const char *session_name,
- const char *hostname, uint32_t live_timer,
- bool snapshot, const lttng_uuid sessiond_uuid,
- uint32_t major, uint32_t minor);
+ const char *hostname, const char *base_path,
+ uint32_t live_timer,
+ bool snapshot,
+ const lttng_uuid sessiond_uuid,
+ const uint64_t *id_sessiond,
+ const uint64_t *current_chunk_id,
+ const time_t *creation_time,
+ uint32_t major,
+ uint32_t minor,
+ bool session_name_contains_creation_timestamp);
struct relay_session *session_get_by_id(uint64_t id);
bool session_get(struct relay_session *session);
void session_put(struct relay_session *session);
int session_close(struct relay_session *session);
int session_abort(struct relay_session *session);
+struct lttng_directory_handle *session_create_output_directory_handle(
+ struct relay_session *session);
+
void print_sessions(void);
#endif /* _SESSION_H */