//
// ========================================================================
// Copyright (c) 1995-2014 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.http2.generator;
import java.nio.ByteBuffer;
import org.eclipse.jetty.http2.Flags;
import org.eclipse.jetty.http2.frames.Frame;
import org.eclipse.jetty.http2.frames.FrameType;
import org.eclipse.jetty.http2.frames.PingFrame;
import org.eclipse.jetty.io.ByteBufferPool;
import org.eclipse.jetty.util.BufferUtil;
public class PingGenerator extends FrameGenerator
{
public PingGenerator(HeaderGenerator headerGenerator)
{
super(headerGenerator);
}
@Override
public void generate(ByteBufferPool.Lease lease, Frame frame)
{
PingFrame pingFrame = (PingFrame)frame;
generatePing(lease, pingFrame.getPayload(), pingFrame.isReply());
}
public void generatePing(ByteBufferPool.Lease lease, byte[] payload, boolean reply)
{
if (payload.length != 8)
throw new IllegalArgumentException("Invalid payload length: " + payload.length);
ByteBuffer header = generateHeader(lease, FrameType.PING, 8, reply ? Flags.ACK : Flags.NONE, 0);
header.put(payload);
BufferUtil.flipToFlush(header, 0);
lease.append(header, true);
}
}