Add subprotocol response

2019-10-08 23:10:58 +02:00
parent cbb46b494f
commit 62c4253ed3
1 changed files with 6 additions and 0 deletions
@@ -149,6 +149,12 @@ public:
                    ->writeHeader("Connection", "Upgrade")
                    ->writeHeader("Sec-WebSocket-Accept", secWebSocketAccept);

+                /* Select first subprotocol if present */
+                std::string_view secWebSocketProtocol = req->getHeader("sec-websocket-protocol");
+                if (secWebSocketProtocol.length()) {
+                    res->writeHeader("Sec-WebSocket-Protocol", secWebSocketProtocol.substr(0, secWebSocketProtocol.find(',')));
+                }
+
                /* Negotiate compression */
                bool perMessageDeflate = false;
                bool slidingDeflateWindow = false;