X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Flive.c;h=f00270bea4c84ab4727047594443191e028965ef;hb=74df9916833ae6a69520c1a49ddce44ba3eea078;hp=2c3a10574b5499c6a4a8585f3a22e5eac05562bc;hpb=1a1a34b40ab10a195633b1ed5e2e9b42fdae0a78;p=lttng-tools.git diff --git a/src/bin/lttng-relayd/live.c b/src/bin/lttng-relayd/live.c index 2c3a10574..f00270bea 100644 --- a/src/bin/lttng-relayd/live.c +++ b/src/bin/lttng-relayd/live.c @@ -654,12 +654,16 @@ void *thread_dispatcher(void *data) health_code_update(); - while (!CMM_LOAD_SHARED(live_dispatch_thread_exit)) { + for (;;) { health_code_update(); /* Atomically prepare the queue futex */ futex_nto1_prepare(&viewer_conn_queue.futex); + if (CMM_LOAD_SHARED(live_dispatch_thread_exit)) { + break; + } + do { health_code_update(); @@ -1122,8 +1126,8 @@ error: /* * Open the index file if needed for the given vstream. * - * If an index file is successfully opened, the vstream index_fd set with - * it. + * If an index file is successfully opened, the vstream will set it as its + * current index file. * * Return 0 on success, a negative value on error (-ENOENT if not ready yet). * @@ -1134,7 +1138,7 @@ static int try_open_index(struct relay_viewer_stream *vstream, { int ret = 0; - if (vstream->index_fd) { + if (vstream->index_file) { goto end; } @@ -1145,20 +1149,12 @@ static int try_open_index(struct relay_viewer_stream *vstream, ret = -ENOENT; goto end; } - ret = index_open(vstream->path_name, vstream->channel_name, + vstream->index_file = lttng_index_file_open(vstream->path_name, + vstream->channel_name, vstream->stream->tracefile_count, vstream->current_tracefile_id); - if (ret >= 0) { - vstream->index_fd = stream_fd_create(ret); - if (!vstream->index_fd) { - if (close(ret)) { - PERROR("close"); - } - ret = -1; - } else { - ret = 0; - } - goto end; + if (!vstream->index_file) { + ret = -1; } end: @@ -1182,10 +1178,13 @@ static int check_index_status(struct relay_viewer_stream *vstream, { int ret; - if (trace->session->connection_closed + if ((trace->session->connection_closed || rstream->closed) && rstream->index_received_seqcount == vstream->index_sent_seqcount) { - /* Last index sent and session connection is closed. */ + /* + * Last index sent and session connection or relay + * stream are closed. + */ index->status = htobe32(LTTNG_VIEWER_INDEX_HUP); goto hup; } else if (rstream->beacon_ts_end != -1ULL && @@ -1277,7 +1276,6 @@ static int viewer_get_next_index(struct relay_connection *conn) { int ret; - ssize_t read_ret; struct lttng_viewer_get_next_index request_index; struct lttng_viewer_index viewer_index; struct ctf_packet_index packet_index; @@ -1400,11 +1398,10 @@ int viewer_get_next_index(struct relay_connection *conn) viewer_index.flags |= LTTNG_VIEWER_FLAG_NEW_STREAM; } - read_ret = lttng_read(vstream->index_fd->fd, &packet_index, - sizeof(packet_index)); - if (read_ret < sizeof(packet_index)) { - ERR("Relay reading index file %d returned %zd", - vstream->index_fd->fd, read_ret); + ret = lttng_index_file_read(vstream->index_file, &packet_index); + if (ret) { + ERR("Relay error reading index file %d", + vstream->index_file->fd); viewer_index.status = htobe32(LTTNG_VIEWER_INDEX_ERR); goto send_reply; } else {