X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Frelayd.h;h=eb3e5f118bfdadbf0af3cfc7223d1df2792e182f;hb=213643b940cebb49b39c5bdce0f51c12903c5b78;hp=358123273fb20a757f3da8dbca6ba999921eb532;hpb=234cd6367843a2106a4cb10f8fb99443208516df;p=lttng-tools.git

diff --git a/src/common/sessiond-comm/relayd.h b/src/common/sessiond-comm/relayd.h
index 358123273..eb3e5f118 100644
--- a/src/common/sessiond-comm/relayd.h
+++ b/src/common/sessiond-comm/relayd.h
@@ -159,10 +159,30 @@ struct lttcomm_relayd_index {
 	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.
  */
@@ -173,4 +193,13 @@ struct lttcomm_relayd_create_session_2_4 {
 	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 */