X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Flive.c;h=1b25671d5f76a82ad83a33ceceb3691e8794457c;hb=cc280027af4d65437a30613bb63421ae8d7b199a;hp=6c1dbcd36763f5c7309ab4e5b08d12c1fd528860;hpb=123ed7c220e544fb81eb3561d885c296665fef39;p=lttng-tools.git

diff --git a/src/bin/lttng-relayd/live.c b/src/bin/lttng-relayd/live.c
index 6c1dbcd36..1b25671d5 100644
--- a/src/bin/lttng-relayd/live.c
+++ b/src/bin/lttng-relayd/live.c
@@ -338,7 +338,8 @@ static int make_viewer_streams(struct relay_session *session,
 		 */
 		if (!trace_has_metadata_stream &&
 				!ctf_trace->metadata_stream_sent_to_viewer) {
-			break;
+			ctf_trace_put(ctf_trace);
+			continue;
 		}
 
 		cds_list_for_each_entry_rcu(stream, &ctf_trace->stream_list, stream_node) {
@@ -1723,7 +1724,23 @@ int viewer_get_metadata(struct relay_connection *conn)
 
 	len = vstream->stream->metadata_received - vstream->metadata_sent;
 	if (len == 0) {
+		/*
+		 * The live viewers expect to receive a NO_NEW_METADATA
+		 * status before a stream disappears, otherwise they abort the
+		 * entire live connection when receiving an error status.
+		 */
 		reply.status = htobe32(LTTNG_VIEWER_NO_NEW_METADATA);
+		/*
+		 * The live viewer considers a closed 0 byte metadata stream as
+		 * an error.
+		 */
+		if (vstream->metadata_sent > 0) {
+			vstream->stream->no_new_metadata_notified = true;
+			if (vstream->stream->closed) {
+				/* Release ownership for the viewer metadata stream. */
+				viewer_stream_put(vstream);
+			}
+		}
 		goto send_reply;
 	}
 
@@ -1771,12 +1788,6 @@ int viewer_get_metadata(struct relay_connection *conn)
 		goto error;
 	}
 	vstream->metadata_sent += read_len;
-	if (vstream->metadata_sent == vstream->stream->metadata_received
-			&& vstream->stream->closed) {
-		/* Release ownership for the viewer metadata stream. */
-		viewer_stream_put(vstream);
-	}
-
 	reply.status = htobe32(LTTNG_VIEWER_METADATA_OK);
 
 	goto send_reply;