#include <lttng/lttng.h>
#include <common/defaults.h>
#include <common/index/ctf-index.h>
+#include <common/macros.h>
+#include <common/compat/uuid.h>
+#include <common/optional.h>
#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_chunk_id;
+ char names[];
} LTTNG_PACKED;
/*
* 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;
+ /* Optional, set to 0 to indicate it is not user-specified. */
+ uint32_t base_path_len;
+ uint32_t live_timer;
+ uint8_t snapshot;
+ uint8_t session_name_contains_creation_time;
+ /* 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, hostname, base_path. */
+ char names[];
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_create_session_reply_2_11 {
+ struct lttcomm_relayd_status_session generic;
+ /* Includes the '\0' terminator. */
+ uint32_t output_path_length;
+ char output_path[];
+} LTTNG_PACKED;
+
/*
* Used to ask the relay to reset the metadata trace file (regeneration).
* Send the new version of the metadata (starts at 0).
uint64_t version;
} LTTNG_PACKED;
-struct lttcomm_relayd_rotate_stream {
+struct lttcomm_relayd_stream_rotation_position {
uint64_t stream_id;
- /* Ignored for metadata streams. */
+ /*
+ * Sequence number of the first packet belonging to the new
+ * "destination" trace chunk to which the stream is rotating.
+ *
+ * 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[];
+struct lttcomm_relayd_rotate_streams {
+ uint32_t stream_count;
+ /*
+ * Streams can be rotated outside of a chunk but not be parented to
+ * a new chunk.
+ */
+ LTTNG_OPTIONAL_COMM(uint64_t) new_chunk_id;
+ /* `stream_count` positions follow. */
+ struct lttcomm_relayd_stream_rotation_position rotation_positions[];
} LTTNG_PACKED;
-struct lttcomm_relayd_rotate_pending {
+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_rotate_pending_reply {
- struct lttcomm_relayd_generic_reply generic;
- /* Valid values are [0, 1]. */
- uint8_t is_pending;
+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;
-struct lttcomm_relayd_mkdir {
- /* Includes trailing NULL */
- uint32_t length;
+struct lttcomm_relayd_close_trace_chunk_reply {
+ struct lttcomm_relayd_generic_reply generic;
+ /* Includes trailing NULL. */
+ uint32_t path_length;
char path[];
} LTTNG_PACKED;
+struct lttcomm_relayd_trace_chunk_exists {
+ uint64_t chunk_id;
+} LTTNG_PACKED;
+
+struct lttcomm_relayd_trace_chunk_exists_reply {
+ struct lttcomm_relayd_generic_reply generic;
+ uint8_t trace_chunk_exists;
+} LTTNG_PACKED;
+
#endif /* _RELAYD_COMM */