X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fstream.h;fp=src%2Fbin%2Flttng-relayd%2Fstream.h;h=47ae2e8f9927fdcd672a595bf3c20902fd375846;hp=e385032cb71f98d4994dfad241e915f61e0cb28a;hb=d3ecc5503007bc81faa8049fac945f163b6356f3;hpb=62c43103c60bd704cd8ed7acaaa22465802f5673

diff --git a/src/bin/lttng-relayd/stream.h b/src/bin/lttng-relayd/stream.h
index e385032cb..47ae2e8f9 100644
--- a/src/bin/lttng-relayd/stream.h
+++ b/src/bin/lttng-relayd/stream.h
@@ -63,6 +63,11 @@ struct relay_stream {
 	uint64_t tracefile_size_current;
 	uint64_t tracefile_count;
 
+	/*
+	 * Position in the tracefile where we have the full index also on disk.
+	 */
+	uint64_t pos_after_last_complete_data_index;
+
 	/*
 	 * Counts the number of received indexes. The "tag" associated
 	 * with an index is taken before incrementing this seqcount.
@@ -129,6 +134,24 @@ struct relay_stream {
 	struct lttng_ht_node_u64 node;
 	bool in_stream_ht;		/* is stream in stream hash table. */
 	struct rcu_head rcu_node;	/* For call_rcu teardown. */
+	/*
+	 * When we have written the data and index corresponding to this
+	 * seq_num, rotate the tracefile (session rotation). The path_name is
+	 * already up-to-date.
+	 * This is set to -1ULL when no rotation is pending.
+	 *
+	 * Always access with stream lock held.
+	 */
+	uint64_t rotate_at_seq_num;
+	/*
+	 * This is the id of the chunk where we are writing to if no rotation is
+	 * pending (rotate_at_seq_num == -1ULL). If a rotation is pending, this
+	 * is the chunk_id we will have after the rotation. It must be updated
+	 * atomically with rotate_at_seq_num.
+	 *
+	 * Always access with stream lock held.
+	 */
+	uint64_t chunk_id;
 };
 
 struct relay_stream *stream_create(struct ctf_trace *trace,