X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Flive.c;h=445f432e416a60f584516770c96bf3d278685d2b;hb=ca741d243ae877c1acfaaadafbf4e7d98cea7c48;hp=831d760ae57baa2d178fb4e2378ee6387d234968;hpb=d227d5bd12acbff5cb7e703f9bed139e066a2033;p=lttng-tools.git diff --git a/src/bin/lttng-relayd/live.c b/src/bin/lttng-relayd/live.c index 831d760ae..445f432e4 100644 --- a/src/bin/lttng-relayd/live.c +++ b/src/bin/lttng-relayd/live.c @@ -153,32 +153,33 @@ ssize_t send_response(struct lttcomm_sock *sock, void *buf, size_t size) } /* - * Atomically check if new streams got added in the session since the last - * check and reset the flag to 0. + * Atomically check if new streams got added in one of the sessions attached + * and reset the flag to 0. * * Returns 1 if new streams got added, 0 if nothing changed, a negative value * on error. */ static -int check_new_streams(uint64_t session_id, struct lttng_ht *sessions_ht) +int check_new_streams(struct relay_connection *conn) { - int ret; - unsigned long current_val; struct relay_session *session; + unsigned long current_val; + int ret = 0; - assert(sessions_ht); - - session = session_find_by_id(sessions_ht, session_id); - if (!session) { - DBG("Relay session %" PRIu64 " not found", session_id); - ret = -1; - goto error; + if (!conn->viewer_session) { + goto end; + } + cds_list_for_each_entry(session, + &conn->viewer_session->sessions_head, + viewer_session_list) { + current_val = uatomic_cmpxchg(&session->new_streams, 1, 0); + ret = current_val; + if (ret == 1) { + goto end; + } } - current_val = uatomic_cmpxchg(&session->new_streams, 1, 0); - ret = current_val; - -error: +end: return ret; } @@ -349,7 +350,7 @@ void stop_threads(void) /* Stopping all threads */ DBG("Terminating all live threads"); - ret = notify_thread_pipe(live_conn_pipe[1]); + ret = notify_thread_pipe(thread_quit_pipe[1]); if (ret < 0) { ERR("write error on thread quit pipe"); } @@ -378,7 +379,7 @@ int create_thread_poll_set(struct lttng_poll_event *events, int size) } /* Add quit pipe */ - ret = lttng_poll_add(events, live_conn_pipe[0], LPOLLIN | LPOLLERR); + ret = lttng_poll_add(events, thread_quit_pipe[0], LPOLLIN | LPOLLERR); if (ret < 0) { goto error; } @@ -395,9 +396,9 @@ error: * Return 1 if it was triggered else 0; */ static -int check_live_conn_pipe(int fd, uint32_t events) +int check_thread_quit_pipe(int fd, uint32_t events) { - if (fd == live_conn_pipe[0] && (events & LPOLLIN)) { + if (fd == thread_quit_pipe[0] && (events & LPOLLIN)) { return 1; } @@ -514,7 +515,7 @@ restart: pollfd = LTTNG_POLL_GETFD(&events, i); /* Thread quit pipe has been closed. Killing thread. */ - ret = check_live_conn_pipe(pollfd, revents); + ret = check_thread_quit_pipe(pollfd, revents); if (ret) { err = 0; goto exit; @@ -1249,7 +1250,7 @@ int viewer_get_next_index(struct relay_connection *conn) viewer_index.flags |= LTTNG_VIEWER_FLAG_NEW_METADATA; } - ret = check_new_streams(vstream->session_id, conn->sessions_ht); + ret = check_new_streams(conn); if (ret < 0) { goto end_unlock; } else if (ret == 1) { @@ -1418,7 +1419,7 @@ int viewer_get_packet(struct relay_connection *conn) goto send_reply; } - ret = check_new_streams(stream->session_id, conn->sessions_ht); + ret = check_new_streams(conn); if (ret < 0) { goto end_unlock; } else if (ret == 1) { @@ -1853,7 +1854,7 @@ restart: health_code_update(); /* Thread quit pipe has been closed. Killing thread. */ - ret = check_live_conn_pipe(pollfd, revents); + ret = check_thread_quit_pipe(pollfd, revents); if (ret) { err = 0; goto exit;