relayd: Retrieve a relay_session's trace chunk on creation

[lttng-tools.git] / src / bin / lttng-relayd / session.h

diff --git a/src/bin/lttng-relayd/session.h b/src/bin/lttng-relayd/session.h
index 426cd0317ab46785c06ae44c5ed99c8438b0cc9e..8c679da9c975c858e2bd863a73e9ccc9aae9480f 100644 (file)
--- a/src/bin/lttng-relayd/session.h
+++ b/src/bin/lttng-relayd/session.h
@@ -30,6 +30,7 @@
 #include <common/hashtable/hashtable.h>
 #include <common/compat/uuid.h>
 #include <common/trace-chunk.h>
+#include <common/optional.h>
 
 /*
  * Represents a session for the relay point of view
@@ -41,6 +42,15 @@ struct relay_session {
         * It is used to match a set of streams to their session.
         */
        uint64_t id;
+       /*
+        * ID of the session in the session daemon's domain.
+        * This information is only provided by 2.11+ peers.
+        */
+       LTTNG_OPTIONAL(uint64_t) id_sessiond;
+       /*
+        * Only provided by 2.11+ peers. However, the UUID is set to 'nil' in
+        * the other cases.
+        */
        lttng_uuid sessiond_uuid;
        char session_name[LTTNG_NAME_MAX];
        char hostname[LTTNG_HOST_NAME_MAX];
@@ -115,6 +125,7 @@ struct relay_session {
 struct relay_session *session_create(const char *session_name,
                const char *hostname, uint32_t live_timer,
                bool snapshot, const lttng_uuid sessiond_uuid,
+               uint64_t *id_sessiond, uint64_t *current_chunk_id,
                uint32_t major, uint32_t minor);
 struct relay_session *session_get_by_id(uint64_t id);
 bool session_get(struct relay_session *session);