X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fconsumer.h;h=830514659772b0afa6bb5de1ad7be678e033dcfb;hp=a476dd5bf84fa5617df92ba603557e35b374f0ee;hb=efc18125536a8a4679d78fe90883414f8e34a8f2;hpb=f50f23d9f80ed9fae7fe5c49aee65e813e0031c8

diff --git a/src/common/consumer.h b/src/common/consumer.h
index a476dd5bf..830514659 100644
--- a/src/common/consumer.h
+++ b/src/common/consumer.h
@@ -129,7 +129,19 @@ struct lttng_consumer_stream {
 	unsigned int metadata_flag;
 	/* Used when the stream is set for network streaming */
 	uint64_t relayd_stream_id;
-	/* Next sequence number to use for trace packet */
+	/*
+	 * When sending a stream packet to a relayd, this number is used to track
+	 * the packet sent by the consumer and seen by the relayd. When sending the
+	 * data header to the relayd, this number is sent and if the transmission
+	 * was successful, it is incremented.
+	 *
+	 * Even if the full data is not fully transmitted it won't matter since
+	 * only two possible error can happen after that where either the relayd
+	 * died or a read error is detected on the stream making this value useless
+	 * after that.
+	 *
+	 * This value SHOULD be read/updated atomically or with the lock acquired.
+	 */
 	uint64_t next_net_seq_num;
 	/*
 	 * Lock to use the stream FDs since they are used between threads.
@@ -186,6 +198,10 @@ struct consumer_relayd_sock_pair {
 	 */
 	struct lttcomm_sock data_sock;
 	struct lttng_ht_node_ulong node;
+
+	/* Session id on both sides for the sockets. */
+	uint64_t relayd_session_id;
+	uint64_t sessiond_session_id;
 };
 
 /*
@@ -412,7 +428,8 @@ ssize_t lttng_consumer_read_subbuffer(struct lttng_consumer_stream *stream,
 int lttng_consumer_on_recv_stream(struct lttng_consumer_stream *stream);
 int consumer_add_relayd_socket(int net_seq_idx, int sock_type,
 		struct lttng_consumer_local_data *ctx, int sock,
-		struct pollfd *consumer_sockpoll, struct lttcomm_sock *relayd_sock);
+		struct pollfd *consumer_sockpoll, struct lttcomm_sock *relayd_sock,
+		unsigned int sessiond_id);
 void consumer_flag_relayd_for_destroy(
 		struct consumer_relayd_sock_pair *relayd);
 int consumer_data_pending(uint64_t id);