jetty-websocket/websocket-api/src/main/java/org/eclipse/jetty/websocket/api/WebSocketPingPongListener.java

//
//  ========================================================================
//  Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package org.eclipse.jetty.websocket.api;

import java.nio.ByteBuffer;

/**
 * WebSocket PING/PONG Listener interface for incoming WebSocket PING/PONG frames.
 */
public interface WebSocketPingPongListener extends WebSocketConnectionListener
{
    /**
     * A WebSocket PING has been received.
     * 
     * @param payload
     *            the ping payload
     */
    void onWebSocketPing(ByteBuffer payload);

    /**
     * A WebSocket PONG has been received.
     * 
     * @param payload
     *            the pong payload
     */
    void onWebSocketPong(ByteBuffer payload);
}