relayd: add extra debug output

[lttng-tools.git] / src / bin / lttng-relayd / live.c

diff --git a/src/bin/lttng-relayd/live.c b/src/bin/lttng-relayd/live.c
index 250d85c6fb39fde7558004f95c198b216b009a6d..ae0c2cb738aa4e82022ed51bf82725b275f1b188 100644 (file)
--- a/src/bin/lttng-relayd/live.c
+++ b/src/bin/lttng-relayd/live.c
@@ -1271,6 +1271,12 @@ static int check_index_status(struct relay_viewer_stream *vstream,
 {
        int ret;
 
+       DBG("Check index status: index_received_seqcount %" PRIu64 " "
+                               "index_sent_seqcount %" PRIu64 " "
+                               "for stream %" PRIu64,
+                               rstream->index_received_seqcount,
+                               vstream->index_sent_seqcount,
+                               vstream->stream->stream_handle);
        if ((trace->session->connection_closed || rstream->closed)
                        && rstream->index_received_seqcount
                                == vstream->index_sent_seqcount) {
@@ -1295,6 +1301,8 @@ static int check_index_status(struct relay_viewer_stream *vstream,
                index->status = htobe32(LTTNG_VIEWER_INDEX_INACTIVE);
                index->timestamp_end = htobe64(rstream->beacon_ts_end);
                index->stream_id = htobe64(rstream->ctf_stream_id);
+               DBG("Check index status: inactive with beacon, for stream %" PRIu64,
+                               vstream->stream->stream_handle);
                goto index_ready;
        } else if (rstream->index_received_seqcount
                        == vstream->index_sent_seqcount) {
@@ -1304,6 +1312,8 @@ static int check_index_status(struct relay_viewer_stream *vstream,
                 * we can only ask the client to retry later.
                 */
                index->status = htobe32(LTTNG_VIEWER_INDEX_RETRY);
+               DBG("Check index status: retry for stream %" PRIu64,
+                               vstream->stream->stream_handle);
                goto index_ready;
        } else if (!tracefile_array_seq_in_file(rstream->tfa,
                        vstream->current_tracefile_id,
@@ -1343,6 +1353,11 @@ static int check_index_status(struct relay_viewer_stream *vstream,
                                        vstream->current_tracefile_id,
                                        vstream->index_sent_seqcount)) {
                        index->status = htobe32(LTTNG_VIEWER_INDEX_RETRY);
+                       DBG("Check index status: retry: "
+                               "tracefile array sequence number %" PRIu64
+                               " not in file for stream %" PRIu64,
+                               vstream->index_sent_seqcount,
+                               vstream->stream->stream_handle);
                        goto index_ready;
                }
                assert(tracefile_array_seq_in_file(rstream->tfa,