sessiond: introduce cleared_after_last_stop

[lttng-tools.git] / src / bin / lttng-sessiond / session.h

diff --git a/src/bin/lttng-sessiond/session.h b/src/bin/lttng-sessiond/session.h
index cd0f99968a897df40c059669d8200a303003e52a..a60354d756ca45f0c5885dfdf53c7e473a0bc0b6 100644 (file)
--- a/src/bin/lttng-sessiond/session.h
+++ b/src/bin/lttng-sessiond/session.h
@@ -75,7 +75,10 @@ struct ltt_session_list {
 struct ltt_session {
        char name[NAME_MAX];
        bool has_auto_generated_name;
+       bool name_contains_creation_time;
        char hostname[HOST_NAME_MAX]; /* Local hostname. */
+       /* Path of the last closed chunk. */
+       char last_chunk_path[LTTNG_PATH_MAX];
        time_t creation_time;
        struct ltt_kernel_session *kernel_session;
        struct ltt_ust_session *ust_session;
@@ -170,6 +173,12 @@ struct ltt_session {
         * chunk.
         */
        bool rotated_after_last_stop;
+       /*
+        * Track whether the session was cleared after last stop. All subsequent
+        * clear (without prior start) will succeed, but will be effect-less. A
+        * subsequent rotate (without prior start) will return an error.
+        */
+       bool cleared_after_last_stop;
        /*
         * Condition and trigger for size-based rotations.
         */
@@ -190,7 +199,7 @@ struct ltt_session {
 
 /* Prototypes */
 enum lttng_error_code session_create(const char *name, uid_t uid, gid_t gid,
-               const char *base_path, struct ltt_session **out_session);
+               struct ltt_session **out_session);
 void session_lock(struct ltt_session *session);
 void session_lock_list(void);
 int session_trylock_list(void);
@@ -248,9 +257,10 @@ int session_set_trace_chunk(struct ltt_session *session,
  * Close a chunk on the remote peers of a session. Has no effect on the
  * ltt_session itself.
  */
-int session_close_trace_chunk(const struct ltt_session *session,
+int session_close_trace_chunk(struct ltt_session *session,
                struct lttng_trace_chunk *trace_chunk,
-               const enum lttng_trace_chunk_command_type *close_command);
+               enum lttng_trace_chunk_command_type close_command,
+               char *path);
 
 bool session_output_supports_trace_chunks(const struct ltt_session *session);