X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Frelayd.h;h=eb3e5f118bfdadbf0af3cfc7223d1df2792e182f;hp=1fc48c442b4e52b68391683fd3a3f392ce3eb038;hb=f8f3885cc52af9d3c951da78989d6f4a25270411;hpb=de7e372efecc2cf51921f2ac5a657337e04a39d3

diff --git a/src/common/sessiond-comm/relayd.h b/src/common/sessiond-comm/relayd.h
index 1fc48c442..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.
  */