X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Frelayd.h;h=5be2328b9794676462f1c0cd96a588a0e97fc406;hp=67b06371f2d6d47de10b58724699e3a86810e922;hb=c8f59ee5fc11492ef472dc5cfd2fd2c4926b1787;hpb=b8aa16822f579a6e15b41d2761801a0a65d5f2a5

diff --git a/src/common/sessiond-comm/relayd.h b/src/common/sessiond-comm/relayd.h
index 67b06371f..5be2328b9 100644
--- a/src/common/sessiond-comm/relayd.h
+++ b/src/common/sessiond-comm/relayd.h
@@ -26,6 +26,9 @@
 
 #include <lttng/lttng.h>
 
+#define RELAYD_VERSION_COMM_MAJOR             2
+#define RELAYD_VERSION_COMM_MINOR             1
+
 /*
  * lttng-relayd communication header.
  */
@@ -44,20 +47,11 @@ struct lttcomm_relayd_data_hdr {
 	/* Circuit ID not used for now so always ignored */
 	uint64_t circuit_id;
 	uint64_t stream_id;     /* Stream ID known by the relayd */
-	uint64_t net_seq_num;   /* Network seq. number for UDP. */
+	uint64_t net_seq_num;   /* Network sequence number, per stream. */
 	uint32_t data_size;     /* data size following this header */
+	uint32_t padding_size;  /* Size of 0 padding the data */
 } __attribute__ ((__packed__));
 
-#if 0
-/*
- * Used to create a session between the relay and the sessiond.
- */
-struct lttcomm_relayd_create_session {
-	char hostname[LTTNG_MAX_DNNAME];
-	char session_name[NAME_MAX];
-};
-#endif
-
 /*
  * Used to add a stream on the relay daemon.
  */
@@ -85,7 +79,7 @@ struct lttcomm_relayd_generic_reply {
  * Used to update synchronization information.
  */
 struct lttcomm_relayd_update_sync_info {
-	/* TODO: fill the structure */
+	/* TODO: fill the structure. Feature not implemented yet */
 } __attribute__ ((__packed__));
 
 /*
@@ -101,7 +95,25 @@ struct lttcomm_relayd_version {
  */
 struct lttcomm_relayd_metadata_payload {
 	uint64_t stream_id;
+	uint32_t padding_size;
 	char payload[];
 } __attribute__ ((__packed__));
 
+/*
+ * Used to indicate that a specific stream id can now be closed.
+ */
+struct lttcomm_relayd_close_stream {
+	uint64_t stream_id;
+	uint64_t last_net_seq_num;	/* sequence number of last packet */
+} __attribute__ ((__packed__));
+
+/*
+ * Used to test if for a given stream id the data is available on the relayd
+ * side for reading.
+ */
+struct lttcomm_relayd_data_available {
+	uint64_t stream_id;
+	uint64_t last_net_seq_num; /* Sequence number of the last packet */
+} __attribute__ ((__packed__));
+
 #endif	/* _RELAYD_COMM */