add config for handshake

config/swoole_websocket.php

@@ -35,6 +35,17 @@
         // SwooleTW\Http\Websocket\Middleware\Authenticate::class,
     ],
 
+    /*
+    |--------------------------------------------------------------------------
+    | Websocket handler for onHandShake callback
+    | If enable, onOpen would not be triggered
+    |--------------------------------------------------------------------------
+    */
+    'handshake' => [
+        'enabled' => false,
+        'handler' => SwooleTW\Http\Websocket\HandShakeHandler::class,
+    ],
+
     /*
     |--------------------------------------------------------------------------
     | Default websocket driver