#define RELAYD_VERSION_COMM_MAJOR VERSION_MAJOR
#define RELAYD_VERSION_COMM_MINOR VERSION_MINOR
+#define RELAYD_COMM_LTTNG_HOST_NAME_MAX_2_4 64
+#define RELAYD_COMM_LTTNG_NAME_MAX_2_4 255
+#define RELAYD_COMM_LTTNG_PATH_MAX 4096
+#define RELAYD_COMM_DEFAULT_STREAM_NAME_LEN 264 /* 256 + 8 */
+
/*
* lttng-relayd communication header.
*/
* Used to add a stream on the relay daemon.
*/
struct lttcomm_relayd_add_stream {
- char channel_name[DEFAULT_STREAM_NAME_LEN];
- char pathname[LTTNG_PATH_MAX];
+ char channel_name[RELAYD_COMM_DEFAULT_STREAM_NAME_LEN];
+ char pathname[RELAYD_COMM_LTTNG_PATH_MAX];
} LTTNG_PACKED;
/*
* Protocol version 2.2
*/
struct lttcomm_relayd_add_stream_2_2 {
- char channel_name[DEFAULT_STREAM_NAME_LEN];
- char pathname[LTTNG_PATH_MAX];
+ char channel_name[RELAYD_COMM_DEFAULT_STREAM_NAME_LEN];
+ char pathname[RELAYD_COMM_LTTNG_PATH_MAX];
+ uint64_t tracefile_size;
+ uint64_t tracefile_count;
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_add_stream_2_11 {
+ uint32_t channel_name_len;
+ uint32_t pathname_len;
uint64_t tracefile_size;
uint64_t tracefile_count;
+ uint64_t trace_archive_id;
+ char names[];
} LTTNG_PACKED;
/*
uint32_t ret_code;
} LTTNG_PACKED;
-/*
- * Used to update synchronization information.
- */
-struct lttcomm_relayd_update_sync_info {
- /* TODO: fill the structure. Feature not implemented yet */
-} LTTNG_PACKED;
-
/*
* Version command.
*/
uint64_t timestamp_end;
uint64_t events_discarded;
uint64_t stream_id;
-} LTTNG_PACKED;
+ /* 2.8+ */
+ uint64_t stream_instance_id;
+ uint64_t packet_seq_num;
+} LTTNG_PACKED;
+
+static inline size_t lttcomm_relayd_index_len(uint32_t major, uint32_t minor)
+{
+ if (major == 1) {
+ switch (minor) {
+ case 0:
+ return offsetof(struct lttcomm_relayd_index, stream_id)
+ + member_sizeof(struct lttcomm_relayd_index,
+ stream_id);
+ case 1:
+ return offsetof(struct lttcomm_relayd_index, packet_seq_num)
+ + member_sizeof(struct lttcomm_relayd_index,
+ packet_seq_num);
+ default:
+ abort();
+ }
+ }
+ abort();
+}
/*
* Create session in 2.4 adds additionnal parameters for live reading.
*/
struct lttcomm_relayd_create_session_2_4 {
- char session_name[LTTNG_NAME_MAX];
- char hostname[LTTNG_HOST_NAME_MAX];
+ char session_name[RELAYD_COMM_LTTNG_NAME_MAX_2_4];
+ char hostname[RELAYD_COMM_LTTNG_HOST_NAME_MAX_2_4];
uint32_t live_timer;
uint32_t snapshot;
} LTTNG_PACKED;
+struct lttcomm_relayd_create_session_2_11 {
+ uint32_t session_name_len;
+ uint32_t hostname_len;
+ uint32_t live_timer;
+ uint8_t snapshot;
+ /* 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_rotate_rename {
+ uint32_t old_path_length;
+ uint32_t new_path_length;
+ /* Concatenation of the old and new paths, separated by \0. */
+ char paths[];
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_rotate_pending {
+ uint64_t chunk_id;
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_rotate_pending_reply {
+ struct lttcomm_relayd_generic_reply generic;
+ /* Valid values are [0, 1]. */
+ uint8_t is_pending;
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_mkdir {
+ /* Includes trailing NULL */
+ uint32_t length;
+ char path[];
+} LTTNG_PACKED;
+
#endif /* _RELAYD_COMM */