+struct lttcomm_relayd_create_session_2_11 {
+ uint32_t session_name_len;
+ uint32_t hostname_len;
+ uint32_t live_timer;
+ uint8_t snapshot;
+ /* Sessiond instance UUID */
+ lttng_uuid sessiond_uuid;
+ /* Sessiond session id */
+ uint64_t session_id;
+ /* Session creation time, in seconds since UNIX Epoch. */
+ uint64_t creation_time;
+ LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED current_chunk_id;
+ /* Contains the session_name and hostname */
+ char names[];
+} LTTNG_PACKED;
+
+/*
+ * Used to ask the relay to reset the metadata trace file (regeneration).
+ * Send the new version of the metadata (starts at 0).
+ */
+struct lttcomm_relayd_reset_metadata {
+ uint64_t stream_id;
+ uint64_t version;
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_rotate_stream {
+ uint64_t stream_id;
+ /* Ignored for metadata streams. */
+ uint64_t rotate_at_seq_num;
+ uint64_t new_chunk_id;
+ /* Includes trailing NULL. */
+ uint32_t pathname_length;
+ /* Must be the last member of this structure. */
+ char new_pathname[];
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_create_trace_chunk {
+ uint64_t chunk_id;
+ /* Seconds since EPOCH. */
+ uint64_t creation_timestamp;
+ /* Includes trailing NULL. */
+ uint32_t override_name_length;
+ char override_name[];
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_close_trace_chunk {
+ uint64_t chunk_id;
+ /* Seconds since EPOCH. */
+ uint64_t close_timestamp;
+ /* enum lttng_trace_chunk_command_type */
+ LTTNG_OPTIONAL_COMM(uint32_t) LTTNG_PACKED close_command;
+} LTTNG_PACKED;
+