1 //
2 // ========================================================================
3 // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.websocket.api;
20
21 import java.nio.ByteBuffer;
22
23 /**
24 * WebSocket PING/PONG Listener interface for incoming WebSocket PING/PONG frames.
25 */
26 public interface WebSocketPingPongListener extends WebSocketConnectionListener
27 {
28 /**
29 * A WebSocket PING has been received.
30 *
31 * @param payload
32 * the ping payload
33 */
34 void onWebSocketPing(ByteBuffer payload);
35
36 /**
37 * A WebSocket PONG has been received.
38 *
39 * @param payload
40 * the pong payload
41 */
42 void onWebSocketPong(ByteBuffer payload);
43 }