@Override
    public void afterHandshake(final ServerHttpRequest request, 
                               final ServerHttpResponse response, 
                               final WebSocketHandler wsHandler, 
                               final Exception exception) {
        LOG.info("Handshake complete");
    }
After shaking hands.
@param request  request
@param response  response
@param wsHandler  websocketHandler
@param exception  exception
shenyu-examples/shenyu-examples-websocket/shenyu-example-spring-native-websocket/src/main/java/org/apache/shenyu/examples/websocket/interceptor/WebSocketInterceptor.java