multi: provide Curl_multiuse_state to update information

As soon as a TLS backend gets ALPN conformation about the specific HTTP
version it can now set the multiplex situation for the "bundle" and
trigger moving potentially queued up transfers to the CONNECT state.

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/multi.c b/lib/multi.c
index 2d83e734e..41774337f 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -2981,6 +2981,22 @@ size_t Curl_multi_max_total_connections(struct Curl_multi *multi)
   return multi ? multi->max_total_connections : 0;
 }
 
+/*
+ * When information about a connection has appeared, call this!
+ */
+
+void Curl_multiuse_state(struct connectdata *conn,
+                         int bundlestate) /* use BUNDLE_* defines */
+{
+  DEBUGASSERT(conn);
+  DEBUGASSERT(conn->bundle);
+  DEBUGASSERT(conn->data);
+  DEBUGASSERT(conn->data->multi);
+
+  conn->bundle->multiuse = bundlestate;
+  process_pending_handles(conn->data->multi);
+}
+
 static void process_pending_handles(struct Curl_multi *multi)
 {
   struct curl_llist_element *e = multi->pending.head;