Relayd data available command support

[lttng-tools.git] / src / common / sessiond-comm / relayd.h

diff --git a/src/common/sessiond-comm/relayd.h b/src/common/sessiond-comm/relayd.h
index 24b7c912fa679a21e4b234e11ac2764780e66ac6..5be2328b9794676462f1c0cd96a588a0e97fc406 100644 (file)
--- a/src/common/sessiond-comm/relayd.h
+++ b/src/common/sessiond-comm/relayd.h
@@ -49,6 +49,7 @@ struct lttcomm_relayd_data_hdr {
        uint64_t stream_id;     /* Stream ID known by the relayd */
        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__));
 
 /*
@@ -94,6 +95,7 @@ struct lttcomm_relayd_version {
  */
 struct lttcomm_relayd_metadata_payload {
        uint64_t stream_id;
+       uint32_t padding_size;
        char payload[];
 } __attribute__ ((__packed__));
 
@@ -105,4 +107,13 @@ struct lttcomm_relayd_close_stream {
        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 */