#ifndef _RELAYD_COMM
#define _RELAYD_COMM
-#define _GNU_SOURCE
-
#include <limits.h>
#include <stdint.h>
#include <lttng/lttng.h>
#include <common/defaults.h>
+#include <common/index/ctf-index.h>
-#define RELAYD_VERSION_COMM_MAJOR 2
-#define RELAYD_VERSION_COMM_MINOR 1
+#define RELAYD_VERSION_COMM_MAJOR VERSION_MAJOR
+#define RELAYD_VERSION_COMM_MINOR VERSION_MINOR
/*
* lttng-relayd communication header.
*/
struct lttcomm_relayd_add_stream {
char channel_name[DEFAULT_STREAM_NAME_LEN];
- char pathname[PATH_MAX];
+ char pathname[LTTNG_PATH_MAX];
+} LTTNG_PACKED;
+
+/*
+ * Used to add a stream on the relay daemon.
+ * Protocol version 2.2
+ */
+struct lttcomm_relayd_add_stream_2_2 {
+ char channel_name[DEFAULT_STREAM_NAME_LEN];
+ char pathname[LTTNG_PATH_MAX];
+ uint64_t tracefile_size;
+ uint64_t tracefile_count;
} LTTNG_PACKED;
/*
uint64_t stream_id;
} LTTNG_PACKED;
+/*
+ * Index data.
+ */
+struct lttcomm_relayd_index {
+ uint64_t relay_stream_id;
+ uint64_t net_seq_num;
+ uint64_t packet_size;
+ uint64_t content_size;
+ uint64_t timestamp_begin;
+ uint64_t timestamp_end;
+ uint64_t events_discarded;
+ uint64_t stream_id;
+ /* 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];
+ uint32_t live_timer;
+ uint32_t snapshot;
+} 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;
+
#endif /* _RELAYD_COMM */