MEDIUM: backend: add new conn to session if mux marked as HOL blocking
When allocating a new session on connect_server, if the mux protocol is
marked as subject of HOL blocking, add it into session instead of
available list to avoid sharing it with other clients.
diff --git a/src/backend.c b/src/backend.c
index bd841c2..48cc7a6 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -1540,13 +1540,16 @@
/* If we're doing http-reuse always, and the connection is not
* private with available streams (an http2 connection), add it
* to the available list, so that others can use it right
- * away. If the connection is private, add it in the session
- * server list.
+ * away. If the connection is private or we're doing http-reuse
+ * safe and the mux protocol supports multiplexing, add it in
+ * the session server list.
*/
if (srv && ((s->be->options & PR_O_REUSE_MASK) == PR_O_REUSE_ALWS) &&
!(srv_conn->flags & CO_FL_PRIVATE) && srv_conn->mux->avail_streams(srv_conn) > 0)
LIST_ADDQ(&srv->available_conns[tid], mt_list_to_list(&srv_conn->list));
- else if (srv_conn->flags & CO_FL_PRIVATE) {
+ else if (srv_conn->flags & CO_FL_PRIVATE ||
+ ((s->be->options & PR_O_REUSE_MASK) == PR_O_REUSE_SAFE &&
+ srv_conn->mux->flags & MX_FL_HOL_RISK)) {
/* If it fail now, the same will be done in mux->detach() callback */
session_add_conn(srv_conn->owner, srv_conn, srv_conn->target);
}